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The assignment of err will be overwritten next, so this statement should be deleted. The clang_analyzer complains as follows: drivers/net/ethernet/broadcom/tg3.c:5506:2: warning: Value stored to 'expected_sg_dig_ctrl' is never read Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: luo penghao <luo.penghao@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
18255 lines
466 KiB
C
18255 lines
466 KiB
C
/*
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* tg3.c: Broadcom Tigon3 ethernet driver.
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*
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* Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
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* Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
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* Copyright (C) 2004 Sun Microsystems Inc.
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* Copyright (C) 2005-2016 Broadcom Corporation.
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* Copyright (C) 2016-2017 Broadcom Limited.
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* Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
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* refers to Broadcom Inc. and/or its subsidiaries.
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*
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* Firmware is:
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* Derived from proprietary unpublished source code,
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* Copyright (C) 2000-2016 Broadcom Corporation.
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* Copyright (C) 2016-2017 Broadcom Ltd.
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* Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
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* refers to Broadcom Inc. and/or its subsidiaries.
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*
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* Permission is hereby granted for the distribution of this firmware
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* data in hexadecimal or equivalent format, provided this copyright
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* notice is accompanying it.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/stringify.h>
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#include <linux/kernel.h>
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#include <linux/sched/signal.h>
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#include <linux/types.h>
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#include <linux/compiler.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/in.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/ethtool.h>
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#include <linux/mdio.h>
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#include <linux/mii.h>
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#include <linux/phy.h>
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#include <linux/brcmphy.h>
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#include <linux/if.h>
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#include <linux/if_vlan.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <linux/workqueue.h>
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#include <linux/prefetch.h>
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#include <linux/dma-mapping.h>
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#include <linux/firmware.h>
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#include <linux/ssb/ssb_driver_gige.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/crc32poly.h>
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#include <net/checksum.h>
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#include <net/ip.h>
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#include <linux/io.h>
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#include <asm/byteorder.h>
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#include <linux/uaccess.h>
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#include <uapi/linux/net_tstamp.h>
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#include <linux/ptp_clock_kernel.h>
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#define BAR_0 0
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#define BAR_2 2
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#include "tg3.h"
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/* Functions & macros to verify TG3_FLAGS types */
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static inline int _tg3_flag(enum TG3_FLAGS flag, unsigned long *bits)
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{
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return test_bit(flag, bits);
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}
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static inline void _tg3_flag_set(enum TG3_FLAGS flag, unsigned long *bits)
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{
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set_bit(flag, bits);
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}
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static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
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{
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clear_bit(flag, bits);
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}
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#define tg3_flag(tp, flag) \
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_tg3_flag(TG3_FLAG_##flag, (tp)->tg3_flags)
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#define tg3_flag_set(tp, flag) \
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_tg3_flag_set(TG3_FLAG_##flag, (tp)->tg3_flags)
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#define tg3_flag_clear(tp, flag) \
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_tg3_flag_clear(TG3_FLAG_##flag, (tp)->tg3_flags)
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#define DRV_MODULE_NAME "tg3"
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/* DO NOT UPDATE TG3_*_NUM defines */
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#define TG3_MAJ_NUM 3
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#define TG3_MIN_NUM 137
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#define RESET_KIND_SHUTDOWN 0
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#define RESET_KIND_INIT 1
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#define RESET_KIND_SUSPEND 2
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#define TG3_DEF_RX_MODE 0
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#define TG3_DEF_TX_MODE 0
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#define TG3_DEF_MSG_ENABLE \
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(NETIF_MSG_DRV | \
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NETIF_MSG_PROBE | \
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NETIF_MSG_LINK | \
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NETIF_MSG_TIMER | \
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NETIF_MSG_IFDOWN | \
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NETIF_MSG_IFUP | \
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NETIF_MSG_RX_ERR | \
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NETIF_MSG_TX_ERR)
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#define TG3_GRC_LCLCTL_PWRSW_DELAY 100
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/* length of time before we decide the hardware is borked,
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* and dev->tx_timeout() should be called to fix the problem
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*/
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#define TG3_TX_TIMEOUT (5 * HZ)
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/* hardware minimum and maximum for a single frame's data payload */
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#define TG3_MIN_MTU ETH_ZLEN
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#define TG3_MAX_MTU(tp) \
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(tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500)
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/* These numbers seem to be hard coded in the NIC firmware somehow.
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* You can't change the ring sizes, but you can change where you place
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* them in the NIC onboard memory.
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*/
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#define TG3_RX_STD_RING_SIZE(tp) \
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(tg3_flag(tp, LRG_PROD_RING_CAP) ? \
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TG3_RX_STD_MAX_SIZE_5717 : TG3_RX_STD_MAX_SIZE_5700)
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#define TG3_DEF_RX_RING_PENDING 200
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#define TG3_RX_JMB_RING_SIZE(tp) \
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(tg3_flag(tp, LRG_PROD_RING_CAP) ? \
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TG3_RX_JMB_MAX_SIZE_5717 : TG3_RX_JMB_MAX_SIZE_5700)
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#define TG3_DEF_RX_JUMBO_RING_PENDING 100
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/* Do not place this n-ring entries value into the tp struct itself,
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* we really want to expose these constants to GCC so that modulo et
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* al. operations are done with shifts and masks instead of with
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* hw multiply/modulo instructions. Another solution would be to
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* replace things like '% foo' with '& (foo - 1)'.
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*/
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#define TG3_TX_RING_SIZE 512
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#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
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#define TG3_RX_STD_RING_BYTES(tp) \
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(sizeof(struct tg3_rx_buffer_desc) * TG3_RX_STD_RING_SIZE(tp))
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#define TG3_RX_JMB_RING_BYTES(tp) \
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(sizeof(struct tg3_ext_rx_buffer_desc) * TG3_RX_JMB_RING_SIZE(tp))
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#define TG3_RX_RCB_RING_BYTES(tp) \
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(sizeof(struct tg3_rx_buffer_desc) * (tp->rx_ret_ring_mask + 1))
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#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
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TG3_TX_RING_SIZE)
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#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
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#define TG3_DMA_BYTE_ENAB 64
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#define TG3_RX_STD_DMA_SZ 1536
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#define TG3_RX_JMB_DMA_SZ 9046
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#define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
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#define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
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#define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
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#define TG3_RX_STD_BUFF_RING_SIZE(tp) \
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(sizeof(struct ring_info) * TG3_RX_STD_RING_SIZE(tp))
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#define TG3_RX_JMB_BUFF_RING_SIZE(tp) \
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(sizeof(struct ring_info) * TG3_RX_JMB_RING_SIZE(tp))
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/* Due to a hardware bug, the 5701 can only DMA to memory addresses
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* that are at least dword aligned when used in PCIX mode. The driver
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* works around this bug by double copying the packet. This workaround
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* is built into the normal double copy length check for efficiency.
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*
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* However, the double copy is only necessary on those architectures
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* where unaligned memory accesses are inefficient. For those architectures
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* where unaligned memory accesses incur little penalty, we can reintegrate
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* the 5701 in the normal rx path. Doing so saves a device structure
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* dereference by hardcoding the double copy threshold in place.
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*/
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#define TG3_RX_COPY_THRESHOLD 256
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#if NET_IP_ALIGN == 0 || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
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#define TG3_RX_COPY_THRESH(tp) TG3_RX_COPY_THRESHOLD
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#else
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#define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh)
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#endif
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#if (NET_IP_ALIGN != 0)
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#define TG3_RX_OFFSET(tp) ((tp)->rx_offset)
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#else
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#define TG3_RX_OFFSET(tp) (NET_SKB_PAD)
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#endif
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/* minimum number of free TX descriptors required to wake up TX process */
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#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
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#define TG3_TX_BD_DMA_MAX_2K 2048
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#define TG3_TX_BD_DMA_MAX_4K 4096
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#define TG3_RAW_IP_ALIGN 2
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#define TG3_MAX_UCAST_ADDR(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 3)
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#define TG3_UCAST_ADDR_IDX(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 1)
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#define TG3_FW_UPDATE_TIMEOUT_SEC 5
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#define TG3_FW_UPDATE_FREQ_SEC (TG3_FW_UPDATE_TIMEOUT_SEC / 2)
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#define FIRMWARE_TG3 "tigon/tg3.bin"
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#define FIRMWARE_TG357766 "tigon/tg357766.bin"
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#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
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#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
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MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
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MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
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MODULE_LICENSE("GPL");
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MODULE_FIRMWARE(FIRMWARE_TG3);
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MODULE_FIRMWARE(FIRMWARE_TG3TSO);
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MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
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static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
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module_param(tg3_debug, int, 0);
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MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
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#define TG3_DRV_DATA_FLAG_10_100_ONLY 0x0001
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#define TG3_DRV_DATA_FLAG_5705_10_100 0x0002
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static const struct pci_device_id tg3_pci_tbl[] = {
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
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TG3_DRV_DATA_FLAG_5705_10_100},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
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TG3_DRV_DATA_FLAG_5705_10_100},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
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TG3_DRV_DATA_FLAG_5705_10_100},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
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{PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5787M,
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PCI_VENDOR_ID_LENOVO,
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TG3PCI_SUBDEVICE_ID_LENOVO_5787M),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
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{PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
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PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_A),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
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PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_B),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790),
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.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717_C)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
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{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791),
|
|
.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795),
|
|
.driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5720)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57762)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57766)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5762)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5725)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5727)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57764)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57767)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57787)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57782)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57786)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
|
|
{PCI_DEVICE(0x10cf, 0x11a2)}, /* Fujitsu 1000base-SX with BCM5703SKHB */
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
|
|
|
|
static const struct {
|
|
const char string[ETH_GSTRING_LEN];
|
|
} ethtool_stats_keys[] = {
|
|
{ "rx_octets" },
|
|
{ "rx_fragments" },
|
|
{ "rx_ucast_packets" },
|
|
{ "rx_mcast_packets" },
|
|
{ "rx_bcast_packets" },
|
|
{ "rx_fcs_errors" },
|
|
{ "rx_align_errors" },
|
|
{ "rx_xon_pause_rcvd" },
|
|
{ "rx_xoff_pause_rcvd" },
|
|
{ "rx_mac_ctrl_rcvd" },
|
|
{ "rx_xoff_entered" },
|
|
{ "rx_frame_too_long_errors" },
|
|
{ "rx_jabbers" },
|
|
{ "rx_undersize_packets" },
|
|
{ "rx_in_length_errors" },
|
|
{ "rx_out_length_errors" },
|
|
{ "rx_64_or_less_octet_packets" },
|
|
{ "rx_65_to_127_octet_packets" },
|
|
{ "rx_128_to_255_octet_packets" },
|
|
{ "rx_256_to_511_octet_packets" },
|
|
{ "rx_512_to_1023_octet_packets" },
|
|
{ "rx_1024_to_1522_octet_packets" },
|
|
{ "rx_1523_to_2047_octet_packets" },
|
|
{ "rx_2048_to_4095_octet_packets" },
|
|
{ "rx_4096_to_8191_octet_packets" },
|
|
{ "rx_8192_to_9022_octet_packets" },
|
|
|
|
{ "tx_octets" },
|
|
{ "tx_collisions" },
|
|
|
|
{ "tx_xon_sent" },
|
|
{ "tx_xoff_sent" },
|
|
{ "tx_flow_control" },
|
|
{ "tx_mac_errors" },
|
|
{ "tx_single_collisions" },
|
|
{ "tx_mult_collisions" },
|
|
{ "tx_deferred" },
|
|
{ "tx_excessive_collisions" },
|
|
{ "tx_late_collisions" },
|
|
{ "tx_collide_2times" },
|
|
{ "tx_collide_3times" },
|
|
{ "tx_collide_4times" },
|
|
{ "tx_collide_5times" },
|
|
{ "tx_collide_6times" },
|
|
{ "tx_collide_7times" },
|
|
{ "tx_collide_8times" },
|
|
{ "tx_collide_9times" },
|
|
{ "tx_collide_10times" },
|
|
{ "tx_collide_11times" },
|
|
{ "tx_collide_12times" },
|
|
{ "tx_collide_13times" },
|
|
{ "tx_collide_14times" },
|
|
{ "tx_collide_15times" },
|
|
{ "tx_ucast_packets" },
|
|
{ "tx_mcast_packets" },
|
|
{ "tx_bcast_packets" },
|
|
{ "tx_carrier_sense_errors" },
|
|
{ "tx_discards" },
|
|
{ "tx_errors" },
|
|
|
|
{ "dma_writeq_full" },
|
|
{ "dma_write_prioq_full" },
|
|
{ "rxbds_empty" },
|
|
{ "rx_discards" },
|
|
{ "rx_errors" },
|
|
{ "rx_threshold_hit" },
|
|
|
|
{ "dma_readq_full" },
|
|
{ "dma_read_prioq_full" },
|
|
{ "tx_comp_queue_full" },
|
|
|
|
{ "ring_set_send_prod_index" },
|
|
{ "ring_status_update" },
|
|
{ "nic_irqs" },
|
|
{ "nic_avoided_irqs" },
|
|
{ "nic_tx_threshold_hit" },
|
|
|
|
{ "mbuf_lwm_thresh_hit" },
|
|
};
|
|
|
|
#define TG3_NUM_STATS ARRAY_SIZE(ethtool_stats_keys)
|
|
#define TG3_NVRAM_TEST 0
|
|
#define TG3_LINK_TEST 1
|
|
#define TG3_REGISTER_TEST 2
|
|
#define TG3_MEMORY_TEST 3
|
|
#define TG3_MAC_LOOPB_TEST 4
|
|
#define TG3_PHY_LOOPB_TEST 5
|
|
#define TG3_EXT_LOOPB_TEST 6
|
|
#define TG3_INTERRUPT_TEST 7
|
|
|
|
|
|
static const struct {
|
|
const char string[ETH_GSTRING_LEN];
|
|
} ethtool_test_keys[] = {
|
|
[TG3_NVRAM_TEST] = { "nvram test (online) " },
|
|
[TG3_LINK_TEST] = { "link test (online) " },
|
|
[TG3_REGISTER_TEST] = { "register test (offline)" },
|
|
[TG3_MEMORY_TEST] = { "memory test (offline)" },
|
|
[TG3_MAC_LOOPB_TEST] = { "mac loopback test (offline)" },
|
|
[TG3_PHY_LOOPB_TEST] = { "phy loopback test (offline)" },
|
|
[TG3_EXT_LOOPB_TEST] = { "ext loopback test (offline)" },
|
|
[TG3_INTERRUPT_TEST] = { "interrupt test (offline)" },
|
|
};
|
|
|
|
#define TG3_NUM_TEST ARRAY_SIZE(ethtool_test_keys)
|
|
|
|
|
|
static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
writel(val, tp->regs + off);
|
|
}
|
|
|
|
static u32 tg3_read32(struct tg3 *tp, u32 off)
|
|
{
|
|
return readl(tp->regs + off);
|
|
}
|
|
|
|
static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
writel(val, tp->aperegs + off);
|
|
}
|
|
|
|
static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
|
|
{
|
|
return readl(tp->aperegs + off);
|
|
}
|
|
|
|
static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
}
|
|
|
|
static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
writel(val, tp->regs + off);
|
|
readl(tp->regs + off);
|
|
}
|
|
|
|
static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
|
|
{
|
|
unsigned long flags;
|
|
u32 val;
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
|
|
pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
return val;
|
|
}
|
|
|
|
static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
|
|
pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
|
|
TG3_64BIT_REG_LOW, val);
|
|
return;
|
|
}
|
|
if (off == TG3_RX_STD_PROD_IDX_REG) {
|
|
pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
|
|
TG3_64BIT_REG_LOW, val);
|
|
return;
|
|
}
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
|
|
/* In indirect mode when disabling interrupts, we also need
|
|
* to clear the interrupt bit in the GRC local ctrl register.
|
|
*/
|
|
if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
|
|
(val == 0x1)) {
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
|
|
tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
|
|
}
|
|
}
|
|
|
|
static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
|
|
{
|
|
unsigned long flags;
|
|
u32 val;
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
|
|
pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
return val;
|
|
}
|
|
|
|
/* usec_wait specifies the wait time in usec when writing to certain registers
|
|
* where it is unsafe to read back the register without some delay.
|
|
* GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
|
|
* TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
|
|
*/
|
|
static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
|
|
{
|
|
if (tg3_flag(tp, PCIX_TARGET_HWBUG) || tg3_flag(tp, ICH_WORKAROUND))
|
|
/* Non-posted methods */
|
|
tp->write32(tp, off, val);
|
|
else {
|
|
/* Posted method */
|
|
tg3_write32(tp, off, val);
|
|
if (usec_wait)
|
|
udelay(usec_wait);
|
|
tp->read32(tp, off);
|
|
}
|
|
/* Wait again after the read for the posted method to guarantee that
|
|
* the wait time is met.
|
|
*/
|
|
if (usec_wait)
|
|
udelay(usec_wait);
|
|
}
|
|
|
|
static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
tp->write32_mbox(tp, off, val);
|
|
if (tg3_flag(tp, FLUSH_POSTED_WRITES) ||
|
|
(!tg3_flag(tp, MBOX_WRITE_REORDER) &&
|
|
!tg3_flag(tp, ICH_WORKAROUND)))
|
|
tp->read32_mbox(tp, off);
|
|
}
|
|
|
|
static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
void __iomem *mbox = tp->regs + off;
|
|
writel(val, mbox);
|
|
if (tg3_flag(tp, TXD_MBOX_HWBUG))
|
|
writel(val, mbox);
|
|
if (tg3_flag(tp, MBOX_WRITE_REORDER) ||
|
|
tg3_flag(tp, FLUSH_POSTED_WRITES))
|
|
readl(mbox);
|
|
}
|
|
|
|
static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
|
|
{
|
|
return readl(tp->regs + off + GRCMBOX_BASE);
|
|
}
|
|
|
|
static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
writel(val, tp->regs + off + GRCMBOX_BASE);
|
|
}
|
|
|
|
#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
|
|
#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
|
|
#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
|
|
#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
|
|
#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
|
|
|
|
#define tw32(reg, val) tp->write32(tp, reg, val)
|
|
#define tw32_f(reg, val) _tw32_flush(tp, (reg), (val), 0)
|
|
#define tw32_wait_f(reg, val, us) _tw32_flush(tp, (reg), (val), (us))
|
|
#define tr32(reg) tp->read32(tp, reg)
|
|
|
|
static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906 &&
|
|
(off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
|
|
return;
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
if (tg3_flag(tp, SRAM_USE_CONFIG)) {
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
|
|
|
|
/* Always leave this as zero. */
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
} else {
|
|
tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
|
|
tw32_f(TG3PCI_MEM_WIN_DATA, val);
|
|
|
|
/* Always leave this as zero. */
|
|
tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
}
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
}
|
|
|
|
static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906 &&
|
|
(off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
|
|
*val = 0;
|
|
return;
|
|
}
|
|
|
|
spin_lock_irqsave(&tp->indirect_lock, flags);
|
|
if (tg3_flag(tp, SRAM_USE_CONFIG)) {
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
|
|
pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
|
|
|
|
/* Always leave this as zero. */
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
} else {
|
|
tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
|
|
*val = tr32(TG3PCI_MEM_WIN_DATA);
|
|
|
|
/* Always leave this as zero. */
|
|
tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
}
|
|
spin_unlock_irqrestore(&tp->indirect_lock, flags);
|
|
}
|
|
|
|
static void tg3_ape_lock_init(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 regbase, bit;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
regbase = TG3_APE_LOCK_GRANT;
|
|
else
|
|
regbase = TG3_APE_PER_LOCK_GRANT;
|
|
|
|
/* Make sure the driver hasn't any stale locks. */
|
|
for (i = TG3_APE_LOCK_PHY0; i <= TG3_APE_LOCK_GPIO; i++) {
|
|
switch (i) {
|
|
case TG3_APE_LOCK_PHY0:
|
|
case TG3_APE_LOCK_PHY1:
|
|
case TG3_APE_LOCK_PHY2:
|
|
case TG3_APE_LOCK_PHY3:
|
|
bit = APE_LOCK_GRANT_DRIVER;
|
|
break;
|
|
default:
|
|
if (!tp->pci_fn)
|
|
bit = APE_LOCK_GRANT_DRIVER;
|
|
else
|
|
bit = 1 << tp->pci_fn;
|
|
}
|
|
tg3_ape_write32(tp, regbase + 4 * i, bit);
|
|
}
|
|
|
|
}
|
|
|
|
static int tg3_ape_lock(struct tg3 *tp, int locknum)
|
|
{
|
|
int i, off;
|
|
int ret = 0;
|
|
u32 status, req, gnt, bit;
|
|
|
|
if (!tg3_flag(tp, ENABLE_APE))
|
|
return 0;
|
|
|
|
switch (locknum) {
|
|
case TG3_APE_LOCK_GPIO:
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
return 0;
|
|
fallthrough;
|
|
case TG3_APE_LOCK_GRC:
|
|
case TG3_APE_LOCK_MEM:
|
|
if (!tp->pci_fn)
|
|
bit = APE_LOCK_REQ_DRIVER;
|
|
else
|
|
bit = 1 << tp->pci_fn;
|
|
break;
|
|
case TG3_APE_LOCK_PHY0:
|
|
case TG3_APE_LOCK_PHY1:
|
|
case TG3_APE_LOCK_PHY2:
|
|
case TG3_APE_LOCK_PHY3:
|
|
bit = APE_LOCK_REQ_DRIVER;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761) {
|
|
req = TG3_APE_LOCK_REQ;
|
|
gnt = TG3_APE_LOCK_GRANT;
|
|
} else {
|
|
req = TG3_APE_PER_LOCK_REQ;
|
|
gnt = TG3_APE_PER_LOCK_GRANT;
|
|
}
|
|
|
|
off = 4 * locknum;
|
|
|
|
tg3_ape_write32(tp, req + off, bit);
|
|
|
|
/* Wait for up to 1 millisecond to acquire lock. */
|
|
for (i = 0; i < 100; i++) {
|
|
status = tg3_ape_read32(tp, gnt + off);
|
|
if (status == bit)
|
|
break;
|
|
if (pci_channel_offline(tp->pdev))
|
|
break;
|
|
|
|
udelay(10);
|
|
}
|
|
|
|
if (status != bit) {
|
|
/* Revoke the lock request. */
|
|
tg3_ape_write32(tp, gnt + off, bit);
|
|
ret = -EBUSY;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void tg3_ape_unlock(struct tg3 *tp, int locknum)
|
|
{
|
|
u32 gnt, bit;
|
|
|
|
if (!tg3_flag(tp, ENABLE_APE))
|
|
return;
|
|
|
|
switch (locknum) {
|
|
case TG3_APE_LOCK_GPIO:
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
return;
|
|
fallthrough;
|
|
case TG3_APE_LOCK_GRC:
|
|
case TG3_APE_LOCK_MEM:
|
|
if (!tp->pci_fn)
|
|
bit = APE_LOCK_GRANT_DRIVER;
|
|
else
|
|
bit = 1 << tp->pci_fn;
|
|
break;
|
|
case TG3_APE_LOCK_PHY0:
|
|
case TG3_APE_LOCK_PHY1:
|
|
case TG3_APE_LOCK_PHY2:
|
|
case TG3_APE_LOCK_PHY3:
|
|
bit = APE_LOCK_GRANT_DRIVER;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
gnt = TG3_APE_LOCK_GRANT;
|
|
else
|
|
gnt = TG3_APE_PER_LOCK_GRANT;
|
|
|
|
tg3_ape_write32(tp, gnt + 4 * locknum, bit);
|
|
}
|
|
|
|
static int tg3_ape_event_lock(struct tg3 *tp, u32 timeout_us)
|
|
{
|
|
u32 apedata;
|
|
|
|
while (timeout_us) {
|
|
if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
|
|
return -EBUSY;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
|
|
if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
|
|
break;
|
|
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
|
|
|
|
udelay(10);
|
|
timeout_us -= (timeout_us > 10) ? 10 : timeout_us;
|
|
}
|
|
|
|
return timeout_us ? 0 : -EBUSY;
|
|
}
|
|
|
|
#ifdef CONFIG_TIGON3_HWMON
|
|
static int tg3_ape_wait_for_event(struct tg3 *tp, u32 timeout_us)
|
|
{
|
|
u32 i, apedata;
|
|
|
|
for (i = 0; i < timeout_us / 10; i++) {
|
|
apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
|
|
|
|
if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
|
|
break;
|
|
|
|
udelay(10);
|
|
}
|
|
|
|
return i == timeout_us / 10;
|
|
}
|
|
|
|
static int tg3_ape_scratchpad_read(struct tg3 *tp, u32 *data, u32 base_off,
|
|
u32 len)
|
|
{
|
|
int err;
|
|
u32 i, bufoff, msgoff, maxlen, apedata;
|
|
|
|
if (!tg3_flag(tp, APE_HAS_NCSI))
|
|
return 0;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
|
|
if (apedata != APE_SEG_SIG_MAGIC)
|
|
return -ENODEV;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
|
|
if (!(apedata & APE_FW_STATUS_READY))
|
|
return -EAGAIN;
|
|
|
|
bufoff = tg3_ape_read32(tp, TG3_APE_SEG_MSG_BUF_OFF) +
|
|
TG3_APE_SHMEM_BASE;
|
|
msgoff = bufoff + 2 * sizeof(u32);
|
|
maxlen = tg3_ape_read32(tp, TG3_APE_SEG_MSG_BUF_LEN);
|
|
|
|
while (len) {
|
|
u32 length;
|
|
|
|
/* Cap xfer sizes to scratchpad limits. */
|
|
length = (len > maxlen) ? maxlen : len;
|
|
len -= length;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
|
|
if (!(apedata & APE_FW_STATUS_READY))
|
|
return -EAGAIN;
|
|
|
|
/* Wait for up to 1 msec for APE to service previous event. */
|
|
err = tg3_ape_event_lock(tp, 1000);
|
|
if (err)
|
|
return err;
|
|
|
|
apedata = APE_EVENT_STATUS_DRIVER_EVNT |
|
|
APE_EVENT_STATUS_SCRTCHPD_READ |
|
|
APE_EVENT_STATUS_EVENT_PENDING;
|
|
tg3_ape_write32(tp, TG3_APE_EVENT_STATUS, apedata);
|
|
|
|
tg3_ape_write32(tp, bufoff, base_off);
|
|
tg3_ape_write32(tp, bufoff + sizeof(u32), length);
|
|
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
|
|
tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
|
|
|
|
base_off += length;
|
|
|
|
if (tg3_ape_wait_for_event(tp, 30000))
|
|
return -EAGAIN;
|
|
|
|
for (i = 0; length; i += 4, length -= 4) {
|
|
u32 val = tg3_ape_read32(tp, msgoff + i);
|
|
memcpy(data, &val, sizeof(u32));
|
|
data++;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int tg3_ape_send_event(struct tg3 *tp, u32 event)
|
|
{
|
|
int err;
|
|
u32 apedata;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
|
|
if (apedata != APE_SEG_SIG_MAGIC)
|
|
return -EAGAIN;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
|
|
if (!(apedata & APE_FW_STATUS_READY))
|
|
return -EAGAIN;
|
|
|
|
/* Wait for up to 20 millisecond for APE to service previous event. */
|
|
err = tg3_ape_event_lock(tp, 20000);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
|
|
event | APE_EVENT_STATUS_EVENT_PENDING);
|
|
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
|
|
tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
|
|
{
|
|
u32 event;
|
|
u32 apedata;
|
|
|
|
if (!tg3_flag(tp, ENABLE_APE))
|
|
return;
|
|
|
|
switch (kind) {
|
|
case RESET_KIND_INIT:
|
|
tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++);
|
|
tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
|
|
APE_HOST_SEG_SIG_MAGIC);
|
|
tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
|
|
APE_HOST_SEG_LEN_MAGIC);
|
|
apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
|
|
tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
|
|
tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
|
|
APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM));
|
|
tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
|
|
APE_HOST_BEHAV_NO_PHYLOCK);
|
|
tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE,
|
|
TG3_APE_HOST_DRVR_STATE_START);
|
|
|
|
event = APE_EVENT_STATUS_STATE_START;
|
|
break;
|
|
case RESET_KIND_SHUTDOWN:
|
|
if (device_may_wakeup(&tp->pdev->dev) &&
|
|
tg3_flag(tp, WOL_ENABLE)) {
|
|
tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED,
|
|
TG3_APE_HOST_WOL_SPEED_AUTO);
|
|
apedata = TG3_APE_HOST_DRVR_STATE_WOL;
|
|
} else
|
|
apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD;
|
|
|
|
tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata);
|
|
|
|
event = APE_EVENT_STATUS_STATE_UNLOAD;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
|
|
|
|
tg3_ape_send_event(tp, event);
|
|
}
|
|
|
|
static void tg3_send_ape_heartbeat(struct tg3 *tp,
|
|
unsigned long interval)
|
|
{
|
|
/* Check if hb interval has exceeded */
|
|
if (!tg3_flag(tp, ENABLE_APE) ||
|
|
time_before(jiffies, tp->ape_hb_jiffies + interval))
|
|
return;
|
|
|
|
tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++);
|
|
tp->ape_hb_jiffies = jiffies;
|
|
}
|
|
|
|
static void tg3_disable_ints(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
tw32(TG3PCI_MISC_HOST_CTRL,
|
|
(tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
|
|
for (i = 0; i < tp->irq_max; i++)
|
|
tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
|
|
}
|
|
|
|
static void tg3_enable_ints(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
tp->irq_sync = 0;
|
|
wmb();
|
|
|
|
tw32(TG3PCI_MISC_HOST_CTRL,
|
|
(tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
|
|
|
|
tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
|
|
if (tg3_flag(tp, 1SHOT_MSI))
|
|
tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
|
|
|
|
tp->coal_now |= tnapi->coal_now;
|
|
}
|
|
|
|
/* Force an initial interrupt */
|
|
if (!tg3_flag(tp, TAGGED_STATUS) &&
|
|
(tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
|
|
tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
|
|
else
|
|
tw32(HOSTCC_MODE, tp->coal_now);
|
|
|
|
tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
|
|
}
|
|
|
|
static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
unsigned int work_exists = 0;
|
|
|
|
/* check for phy events */
|
|
if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) {
|
|
if (sblk->status & SD_STATUS_LINK_CHG)
|
|
work_exists = 1;
|
|
}
|
|
|
|
/* check for TX work to do */
|
|
if (sblk->idx[0].tx_consumer != tnapi->tx_cons)
|
|
work_exists = 1;
|
|
|
|
/* check for RX work to do */
|
|
if (tnapi->rx_rcb_prod_idx &&
|
|
*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
|
|
work_exists = 1;
|
|
|
|
return work_exists;
|
|
}
|
|
|
|
/* tg3_int_reenable
|
|
* similar to tg3_enable_ints, but it accurately determines whether there
|
|
* is new work pending and can return without flushing the PIO write
|
|
* which reenables interrupts
|
|
*/
|
|
static void tg3_int_reenable(struct tg3_napi *tnapi)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
|
|
tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
|
|
|
|
/* When doing tagged status, this work check is unnecessary.
|
|
* The last_tag we write above tells the chip which piece of
|
|
* work we've completed.
|
|
*/
|
|
if (!tg3_flag(tp, TAGGED_STATUS) && tg3_has_work(tnapi))
|
|
tw32(HOSTCC_MODE, tp->coalesce_mode |
|
|
HOSTCC_MODE_ENABLE | tnapi->coal_now);
|
|
}
|
|
|
|
static void tg3_switch_clocks(struct tg3 *tp)
|
|
{
|
|
u32 clock_ctrl;
|
|
u32 orig_clock_ctrl;
|
|
|
|
if (tg3_flag(tp, CPMU_PRESENT) || tg3_flag(tp, 5780_CLASS))
|
|
return;
|
|
|
|
clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
|
|
|
|
orig_clock_ctrl = clock_ctrl;
|
|
clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
|
|
CLOCK_CTRL_CLKRUN_OENABLE |
|
|
0x1f);
|
|
tp->pci_clock_ctrl = clock_ctrl;
|
|
|
|
if (tg3_flag(tp, 5705_PLUS)) {
|
|
if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL,
|
|
clock_ctrl | CLOCK_CTRL_625_CORE, 40);
|
|
}
|
|
} else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL,
|
|
clock_ctrl |
|
|
(CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
|
|
40);
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL,
|
|
clock_ctrl | (CLOCK_CTRL_ALTCLK),
|
|
40);
|
|
}
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
|
|
}
|
|
|
|
#define PHY_BUSY_LOOPS 5000
|
|
|
|
static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg,
|
|
u32 *val)
|
|
{
|
|
u32 frame_val;
|
|
unsigned int loops;
|
|
int ret;
|
|
|
|
if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
|
|
tw32_f(MAC_MI_MODE,
|
|
(tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
|
|
udelay(80);
|
|
}
|
|
|
|
tg3_ape_lock(tp, tp->phy_ape_lock);
|
|
|
|
*val = 0x0;
|
|
|
|
frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
|
|
MI_COM_PHY_ADDR_MASK);
|
|
frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
|
|
MI_COM_REG_ADDR_MASK);
|
|
frame_val |= (MI_COM_CMD_READ | MI_COM_START);
|
|
|
|
tw32_f(MAC_MI_COM, frame_val);
|
|
|
|
loops = PHY_BUSY_LOOPS;
|
|
while (loops != 0) {
|
|
udelay(10);
|
|
frame_val = tr32(MAC_MI_COM);
|
|
|
|
if ((frame_val & MI_COM_BUSY) == 0) {
|
|
udelay(5);
|
|
frame_val = tr32(MAC_MI_COM);
|
|
break;
|
|
}
|
|
loops -= 1;
|
|
}
|
|
|
|
ret = -EBUSY;
|
|
if (loops != 0) {
|
|
*val = frame_val & MI_COM_DATA_MASK;
|
|
ret = 0;
|
|
}
|
|
|
|
if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
|
|
tw32_f(MAC_MI_MODE, tp->mi_mode);
|
|
udelay(80);
|
|
}
|
|
|
|
tg3_ape_unlock(tp, tp->phy_ape_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
|
|
{
|
|
return __tg3_readphy(tp, tp->phy_addr, reg, val);
|
|
}
|
|
|
|
static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg,
|
|
u32 val)
|
|
{
|
|
u32 frame_val;
|
|
unsigned int loops;
|
|
int ret;
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
|
|
(reg == MII_CTRL1000 || reg == MII_TG3_AUX_CTRL))
|
|
return 0;
|
|
|
|
if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
|
|
tw32_f(MAC_MI_MODE,
|
|
(tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
|
|
udelay(80);
|
|
}
|
|
|
|
tg3_ape_lock(tp, tp->phy_ape_lock);
|
|
|
|
frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
|
|
MI_COM_PHY_ADDR_MASK);
|
|
frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
|
|
MI_COM_REG_ADDR_MASK);
|
|
frame_val |= (val & MI_COM_DATA_MASK);
|
|
frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
|
|
|
|
tw32_f(MAC_MI_COM, frame_val);
|
|
|
|
loops = PHY_BUSY_LOOPS;
|
|
while (loops != 0) {
|
|
udelay(10);
|
|
frame_val = tr32(MAC_MI_COM);
|
|
if ((frame_val & MI_COM_BUSY) == 0) {
|
|
udelay(5);
|
|
frame_val = tr32(MAC_MI_COM);
|
|
break;
|
|
}
|
|
loops -= 1;
|
|
}
|
|
|
|
ret = -EBUSY;
|
|
if (loops != 0)
|
|
ret = 0;
|
|
|
|
if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
|
|
tw32_f(MAC_MI_MODE, tp->mi_mode);
|
|
udelay(80);
|
|
}
|
|
|
|
tg3_ape_unlock(tp, tp->phy_ape_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
|
|
{
|
|
return __tg3_writephy(tp, tp->phy_addr, reg, val);
|
|
}
|
|
|
|
static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
|
|
MII_TG3_MMD_CTRL_DATA_NOINC | devad);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, val);
|
|
|
|
done:
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phy_cl45_read(struct tg3 *tp, u32 devad, u32 addr, u32 *val)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
|
|
MII_TG3_MMD_CTRL_DATA_NOINC | devad);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = tg3_readphy(tp, MII_TG3_MMD_ADDRESS, val);
|
|
|
|
done:
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phydsp_read(struct tg3 *tp, u32 reg, u32 *val)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
|
|
if (!err)
|
|
err = tg3_readphy(tp, MII_TG3_DSP_RW_PORT, val);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
|
|
if (!err)
|
|
err = tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phy_auxctl_read(struct tg3 *tp, int reg, u32 *val)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_writephy(tp, MII_TG3_AUX_CTRL,
|
|
(reg << MII_TG3_AUXCTL_MISC_RDSEL_SHIFT) |
|
|
MII_TG3_AUXCTL_SHDWSEL_MISC);
|
|
if (!err)
|
|
err = tg3_readphy(tp, MII_TG3_AUX_CTRL, val);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set)
|
|
{
|
|
if (reg == MII_TG3_AUXCTL_SHDWSEL_MISC)
|
|
set |= MII_TG3_AUXCTL_MISC_WREN;
|
|
|
|
return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
|
|
}
|
|
|
|
static int tg3_phy_toggle_auxctl_smdsp(struct tg3 *tp, bool enable)
|
|
{
|
|
u32 val;
|
|
int err;
|
|
|
|
err = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
|
|
|
|
if (err)
|
|
return err;
|
|
|
|
if (enable)
|
|
val |= MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
|
|
else
|
|
val &= ~MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
|
|
|
|
err = tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
|
|
val | MII_TG3_AUXCTL_ACTL_TX_6DB);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_phy_shdw_write(struct tg3 *tp, int reg, u32 val)
|
|
{
|
|
return tg3_writephy(tp, MII_TG3_MISC_SHDW,
|
|
reg | val | MII_TG3_MISC_SHDW_WREN);
|
|
}
|
|
|
|
static int tg3_bmcr_reset(struct tg3 *tp)
|
|
{
|
|
u32 phy_control;
|
|
int limit, err;
|
|
|
|
/* OK, reset it, and poll the BMCR_RESET bit until it
|
|
* clears or we time out.
|
|
*/
|
|
phy_control = BMCR_RESET;
|
|
err = tg3_writephy(tp, MII_BMCR, phy_control);
|
|
if (err != 0)
|
|
return -EBUSY;
|
|
|
|
limit = 5000;
|
|
while (limit--) {
|
|
err = tg3_readphy(tp, MII_BMCR, &phy_control);
|
|
if (err != 0)
|
|
return -EBUSY;
|
|
|
|
if ((phy_control & BMCR_RESET) == 0) {
|
|
udelay(40);
|
|
break;
|
|
}
|
|
udelay(10);
|
|
}
|
|
if (limit < 0)
|
|
return -EBUSY;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
|
|
{
|
|
struct tg3 *tp = bp->priv;
|
|
u32 val;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
|
|
if (__tg3_readphy(tp, mii_id, reg, &val))
|
|
val = -EIO;
|
|
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
return val;
|
|
}
|
|
|
|
static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
|
|
{
|
|
struct tg3 *tp = bp->priv;
|
|
u32 ret = 0;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
|
|
if (__tg3_writephy(tp, mii_id, reg, val))
|
|
ret = -EIO;
|
|
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void tg3_mdio_config_5785(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
struct phy_device *phydev;
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
|
|
case PHY_ID_BCM50610:
|
|
case PHY_ID_BCM50610M:
|
|
val = MAC_PHYCFG2_50610_LED_MODES;
|
|
break;
|
|
case PHY_ID_BCMAC131:
|
|
val = MAC_PHYCFG2_AC131_LED_MODES;
|
|
break;
|
|
case PHY_ID_RTL8211C:
|
|
val = MAC_PHYCFG2_RTL8211C_LED_MODES;
|
|
break;
|
|
case PHY_ID_RTL8201E:
|
|
val = MAC_PHYCFG2_RTL8201E_LED_MODES;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
|
|
tw32(MAC_PHYCFG2, val);
|
|
|
|
val = tr32(MAC_PHYCFG1);
|
|
val &= ~(MAC_PHYCFG1_RGMII_INT |
|
|
MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
|
|
val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
|
|
tw32(MAC_PHYCFG1, val);
|
|
|
|
return;
|
|
}
|
|
|
|
if (!tg3_flag(tp, RGMII_INBAND_DISABLE))
|
|
val |= MAC_PHYCFG2_EMODE_MASK_MASK |
|
|
MAC_PHYCFG2_FMODE_MASK_MASK |
|
|
MAC_PHYCFG2_GMODE_MASK_MASK |
|
|
MAC_PHYCFG2_ACT_MASK_MASK |
|
|
MAC_PHYCFG2_QUAL_MASK_MASK |
|
|
MAC_PHYCFG2_INBAND_ENABLE;
|
|
|
|
tw32(MAC_PHYCFG2, val);
|
|
|
|
val = tr32(MAC_PHYCFG1);
|
|
val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
|
|
MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
|
|
if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) {
|
|
if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN))
|
|
val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
|
|
if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN))
|
|
val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
|
|
}
|
|
val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
|
|
MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
|
|
tw32(MAC_PHYCFG1, val);
|
|
|
|
val = tr32(MAC_EXT_RGMII_MODE);
|
|
val &= ~(MAC_RGMII_MODE_RX_INT_B |
|
|
MAC_RGMII_MODE_RX_QUALITY |
|
|
MAC_RGMII_MODE_RX_ACTIVITY |
|
|
MAC_RGMII_MODE_RX_ENG_DET |
|
|
MAC_RGMII_MODE_TX_ENABLE |
|
|
MAC_RGMII_MODE_TX_LOWPWR |
|
|
MAC_RGMII_MODE_TX_RESET);
|
|
if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) {
|
|
if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN))
|
|
val |= MAC_RGMII_MODE_RX_INT_B |
|
|
MAC_RGMII_MODE_RX_QUALITY |
|
|
MAC_RGMII_MODE_RX_ACTIVITY |
|
|
MAC_RGMII_MODE_RX_ENG_DET;
|
|
if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN))
|
|
val |= MAC_RGMII_MODE_TX_ENABLE |
|
|
MAC_RGMII_MODE_TX_LOWPWR |
|
|
MAC_RGMII_MODE_TX_RESET;
|
|
}
|
|
tw32(MAC_EXT_RGMII_MODE, val);
|
|
}
|
|
|
|
static void tg3_mdio_start(struct tg3 *tp)
|
|
{
|
|
tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
|
|
tw32_f(MAC_MI_MODE, tp->mi_mode);
|
|
udelay(80);
|
|
|
|
if (tg3_flag(tp, MDIOBUS_INITED) &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5785)
|
|
tg3_mdio_config_5785(tp);
|
|
}
|
|
|
|
static int tg3_mdio_init(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 reg;
|
|
struct phy_device *phydev;
|
|
|
|
if (tg3_flag(tp, 5717_PLUS)) {
|
|
u32 is_serdes;
|
|
|
|
tp->phy_addr = tp->pci_fn + 1;
|
|
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5717_A0)
|
|
is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
|
|
else
|
|
is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
|
|
TG3_CPMU_PHY_STRAP_IS_SERDES;
|
|
if (is_serdes)
|
|
tp->phy_addr += 7;
|
|
} else if (tg3_flag(tp, IS_SSB_CORE) && tg3_flag(tp, ROBOSWITCH)) {
|
|
int addr;
|
|
|
|
addr = ssb_gige_get_phyaddr(tp->pdev);
|
|
if (addr < 0)
|
|
return addr;
|
|
tp->phy_addr = addr;
|
|
} else
|
|
tp->phy_addr = TG3_PHY_MII_ADDR;
|
|
|
|
tg3_mdio_start(tp);
|
|
|
|
if (!tg3_flag(tp, USE_PHYLIB) || tg3_flag(tp, MDIOBUS_INITED))
|
|
return 0;
|
|
|
|
tp->mdio_bus = mdiobus_alloc();
|
|
if (tp->mdio_bus == NULL)
|
|
return -ENOMEM;
|
|
|
|
tp->mdio_bus->name = "tg3 mdio bus";
|
|
snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
|
|
(tp->pdev->bus->number << 8) | tp->pdev->devfn);
|
|
tp->mdio_bus->priv = tp;
|
|
tp->mdio_bus->parent = &tp->pdev->dev;
|
|
tp->mdio_bus->read = &tg3_mdio_read;
|
|
tp->mdio_bus->write = &tg3_mdio_write;
|
|
tp->mdio_bus->phy_mask = ~(1 << tp->phy_addr);
|
|
|
|
/* The bus registration will look for all the PHYs on the mdio bus.
|
|
* Unfortunately, it does not ensure the PHY is powered up before
|
|
* accessing the PHY ID registers. A chip reset is the
|
|
* quickest way to bring the device back to an operational state..
|
|
*/
|
|
if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN))
|
|
tg3_bmcr_reset(tp);
|
|
|
|
i = mdiobus_register(tp->mdio_bus);
|
|
if (i) {
|
|
dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i);
|
|
mdiobus_free(tp->mdio_bus);
|
|
return i;
|
|
}
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
if (!phydev || !phydev->drv) {
|
|
dev_warn(&tp->pdev->dev, "No PHY devices\n");
|
|
mdiobus_unregister(tp->mdio_bus);
|
|
mdiobus_free(tp->mdio_bus);
|
|
return -ENODEV;
|
|
}
|
|
|
|
switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
|
|
case PHY_ID_BCM57780:
|
|
phydev->interface = PHY_INTERFACE_MODE_GMII;
|
|
phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
|
|
break;
|
|
case PHY_ID_BCM50610:
|
|
case PHY_ID_BCM50610M:
|
|
phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
|
|
PHY_BRCM_RX_REFCLK_UNUSED |
|
|
PHY_BRCM_DIS_TXCRXC_NOENRGY |
|
|
PHY_BRCM_AUTO_PWRDWN_ENABLE;
|
|
fallthrough;
|
|
case PHY_ID_RTL8211C:
|
|
phydev->interface = PHY_INTERFACE_MODE_RGMII;
|
|
break;
|
|
case PHY_ID_RTL8201E:
|
|
case PHY_ID_BCMAC131:
|
|
phydev->interface = PHY_INTERFACE_MODE_MII;
|
|
phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
|
|
tp->phy_flags |= TG3_PHYFLG_IS_FET;
|
|
break;
|
|
}
|
|
|
|
tg3_flag_set(tp, MDIOBUS_INITED);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5785)
|
|
tg3_mdio_config_5785(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_mdio_fini(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, MDIOBUS_INITED)) {
|
|
tg3_flag_clear(tp, MDIOBUS_INITED);
|
|
mdiobus_unregister(tp->mdio_bus);
|
|
mdiobus_free(tp->mdio_bus);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static inline void tg3_generate_fw_event(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
val = tr32(GRC_RX_CPU_EVENT);
|
|
val |= GRC_RX_CPU_DRIVER_EVENT;
|
|
tw32_f(GRC_RX_CPU_EVENT, val);
|
|
|
|
tp->last_event_jiffies = jiffies;
|
|
}
|
|
|
|
#define TG3_FW_EVENT_TIMEOUT_USEC 2500
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_wait_for_event_ack(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
unsigned int delay_cnt;
|
|
long time_remain;
|
|
|
|
/* If enough time has passed, no wait is necessary. */
|
|
time_remain = (long)(tp->last_event_jiffies + 1 +
|
|
usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
|
|
(long)jiffies;
|
|
if (time_remain < 0)
|
|
return;
|
|
|
|
/* Check if we can shorten the wait time. */
|
|
delay_cnt = jiffies_to_usecs(time_remain);
|
|
if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
|
|
delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
|
|
delay_cnt = (delay_cnt >> 3) + 1;
|
|
|
|
for (i = 0; i < delay_cnt; i++) {
|
|
if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
|
|
break;
|
|
if (pci_channel_offline(tp->pdev))
|
|
break;
|
|
|
|
udelay(8);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_phy_gather_ump_data(struct tg3 *tp, u32 *data)
|
|
{
|
|
u32 reg, val;
|
|
|
|
val = 0;
|
|
if (!tg3_readphy(tp, MII_BMCR, ®))
|
|
val = reg << 16;
|
|
if (!tg3_readphy(tp, MII_BMSR, ®))
|
|
val |= (reg & 0xffff);
|
|
*data++ = val;
|
|
|
|
val = 0;
|
|
if (!tg3_readphy(tp, MII_ADVERTISE, ®))
|
|
val = reg << 16;
|
|
if (!tg3_readphy(tp, MII_LPA, ®))
|
|
val |= (reg & 0xffff);
|
|
*data++ = val;
|
|
|
|
val = 0;
|
|
if (!(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) {
|
|
if (!tg3_readphy(tp, MII_CTRL1000, ®))
|
|
val = reg << 16;
|
|
if (!tg3_readphy(tp, MII_STAT1000, ®))
|
|
val |= (reg & 0xffff);
|
|
}
|
|
*data++ = val;
|
|
|
|
if (!tg3_readphy(tp, MII_PHYADDR, ®))
|
|
val = reg << 16;
|
|
else
|
|
val = 0;
|
|
*data++ = val;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_ump_link_report(struct tg3 *tp)
|
|
{
|
|
u32 data[4];
|
|
|
|
if (!tg3_flag(tp, 5780_CLASS) || !tg3_flag(tp, ENABLE_ASF))
|
|
return;
|
|
|
|
tg3_phy_gather_ump_data(tp, data);
|
|
|
|
tg3_wait_for_event_ack(tp);
|
|
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x0, data[0]);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x4, data[1]);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x8, data[2]);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0xc, data[3]);
|
|
|
|
tg3_generate_fw_event(tp);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_stop_fw(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) {
|
|
/* Wait for RX cpu to ACK the previous event. */
|
|
tg3_wait_for_event_ack(tp);
|
|
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
|
|
|
|
tg3_generate_fw_event(tp);
|
|
|
|
/* Wait for RX cpu to ACK this event. */
|
|
tg3_wait_for_event_ack(tp);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
|
|
{
|
|
tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
|
|
NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
|
|
|
|
if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) {
|
|
switch (kind) {
|
|
case RESET_KIND_INIT:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_START);
|
|
break;
|
|
|
|
case RESET_KIND_SHUTDOWN:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_UNLOAD);
|
|
break;
|
|
|
|
case RESET_KIND_SUSPEND:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_SUSPEND);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
|
|
{
|
|
if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) {
|
|
switch (kind) {
|
|
case RESET_KIND_INIT:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_START_DONE);
|
|
break;
|
|
|
|
case RESET_KIND_SHUTDOWN:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_UNLOAD_DONE);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
|
|
{
|
|
if (tg3_flag(tp, ENABLE_ASF)) {
|
|
switch (kind) {
|
|
case RESET_KIND_INIT:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_START);
|
|
break;
|
|
|
|
case RESET_KIND_SHUTDOWN:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_UNLOAD);
|
|
break;
|
|
|
|
case RESET_KIND_SUSPEND:
|
|
tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
|
|
DRV_STATE_SUSPEND);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int tg3_poll_fw(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 val;
|
|
|
|
if (tg3_flag(tp, NO_FWARE_REPORTED))
|
|
return 0;
|
|
|
|
if (tg3_flag(tp, IS_SSB_CORE)) {
|
|
/* We don't use firmware. */
|
|
return 0;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
/* Wait up to 20ms for init done. */
|
|
for (i = 0; i < 200; i++) {
|
|
if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
|
|
return 0;
|
|
if (pci_channel_offline(tp->pdev))
|
|
return -ENODEV;
|
|
|
|
udelay(100);
|
|
}
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Wait for firmware initialization to complete. */
|
|
for (i = 0; i < 100000; i++) {
|
|
tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
|
|
if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
|
|
break;
|
|
if (pci_channel_offline(tp->pdev)) {
|
|
if (!tg3_flag(tp, NO_FWARE_REPORTED)) {
|
|
tg3_flag_set(tp, NO_FWARE_REPORTED);
|
|
netdev_info(tp->dev, "No firmware running\n");
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
udelay(10);
|
|
}
|
|
|
|
/* Chip might not be fitted with firmware. Some Sun onboard
|
|
* parts are configured like that. So don't signal the timeout
|
|
* of the above loop as an error, but do report the lack of
|
|
* running firmware once.
|
|
*/
|
|
if (i >= 100000 && !tg3_flag(tp, NO_FWARE_REPORTED)) {
|
|
tg3_flag_set(tp, NO_FWARE_REPORTED);
|
|
|
|
netdev_info(tp->dev, "No firmware running\n");
|
|
}
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0) {
|
|
/* The 57765 A0 needs a little more
|
|
* time to do some important work.
|
|
*/
|
|
mdelay(10);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_link_report(struct tg3 *tp)
|
|
{
|
|
if (!netif_carrier_ok(tp->dev)) {
|
|
netif_info(tp, link, tp->dev, "Link is down\n");
|
|
tg3_ump_link_report(tp);
|
|
} else if (netif_msg_link(tp)) {
|
|
netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
|
|
(tp->link_config.active_speed == SPEED_1000 ?
|
|
1000 :
|
|
(tp->link_config.active_speed == SPEED_100 ?
|
|
100 : 10)),
|
|
(tp->link_config.active_duplex == DUPLEX_FULL ?
|
|
"full" : "half"));
|
|
|
|
netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
|
|
(tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
|
|
"on" : "off",
|
|
(tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
|
|
"on" : "off");
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_EEE_CAP)
|
|
netdev_info(tp->dev, "EEE is %s\n",
|
|
tp->setlpicnt ? "enabled" : "disabled");
|
|
|
|
tg3_ump_link_report(tp);
|
|
}
|
|
|
|
tp->link_up = netif_carrier_ok(tp->dev);
|
|
}
|
|
|
|
static u32 tg3_decode_flowctrl_1000T(u32 adv)
|
|
{
|
|
u32 flowctrl = 0;
|
|
|
|
if (adv & ADVERTISE_PAUSE_CAP) {
|
|
flowctrl |= FLOW_CTRL_RX;
|
|
if (!(adv & ADVERTISE_PAUSE_ASYM))
|
|
flowctrl |= FLOW_CTRL_TX;
|
|
} else if (adv & ADVERTISE_PAUSE_ASYM)
|
|
flowctrl |= FLOW_CTRL_TX;
|
|
|
|
return flowctrl;
|
|
}
|
|
|
|
static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
|
|
{
|
|
u16 miireg;
|
|
|
|
if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
|
|
miireg = ADVERTISE_1000XPAUSE;
|
|
else if (flow_ctrl & FLOW_CTRL_TX)
|
|
miireg = ADVERTISE_1000XPSE_ASYM;
|
|
else if (flow_ctrl & FLOW_CTRL_RX)
|
|
miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
|
|
else
|
|
miireg = 0;
|
|
|
|
return miireg;
|
|
}
|
|
|
|
static u32 tg3_decode_flowctrl_1000X(u32 adv)
|
|
{
|
|
u32 flowctrl = 0;
|
|
|
|
if (adv & ADVERTISE_1000XPAUSE) {
|
|
flowctrl |= FLOW_CTRL_RX;
|
|
if (!(adv & ADVERTISE_1000XPSE_ASYM))
|
|
flowctrl |= FLOW_CTRL_TX;
|
|
} else if (adv & ADVERTISE_1000XPSE_ASYM)
|
|
flowctrl |= FLOW_CTRL_TX;
|
|
|
|
return flowctrl;
|
|
}
|
|
|
|
static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
|
|
{
|
|
u8 cap = 0;
|
|
|
|
if (lcladv & rmtadv & ADVERTISE_1000XPAUSE) {
|
|
cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
|
|
} else if (lcladv & rmtadv & ADVERTISE_1000XPSE_ASYM) {
|
|
if (lcladv & ADVERTISE_1000XPAUSE)
|
|
cap = FLOW_CTRL_RX;
|
|
if (rmtadv & ADVERTISE_1000XPAUSE)
|
|
cap = FLOW_CTRL_TX;
|
|
}
|
|
|
|
return cap;
|
|
}
|
|
|
|
static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
|
|
{
|
|
u8 autoneg;
|
|
u8 flowctrl = 0;
|
|
u32 old_rx_mode = tp->rx_mode;
|
|
u32 old_tx_mode = tp->tx_mode;
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB))
|
|
autoneg = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr)->autoneg;
|
|
else
|
|
autoneg = tp->link_config.autoneg;
|
|
|
|
if (autoneg == AUTONEG_ENABLE && tg3_flag(tp, PAUSE_AUTONEG)) {
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
|
|
flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
|
|
else
|
|
flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
|
|
} else
|
|
flowctrl = tp->link_config.flowctrl;
|
|
|
|
tp->link_config.active_flowctrl = flowctrl;
|
|
|
|
if (flowctrl & FLOW_CTRL_RX)
|
|
tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
|
|
else
|
|
tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
|
|
|
|
if (old_rx_mode != tp->rx_mode)
|
|
tw32_f(MAC_RX_MODE, tp->rx_mode);
|
|
|
|
if (flowctrl & FLOW_CTRL_TX)
|
|
tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
|
|
else
|
|
tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
|
|
|
|
if (old_tx_mode != tp->tx_mode)
|
|
tw32_f(MAC_TX_MODE, tp->tx_mode);
|
|
}
|
|
|
|
static void tg3_adjust_link(struct net_device *dev)
|
|
{
|
|
u8 oldflowctrl, linkmesg = 0;
|
|
u32 mac_mode, lcl_adv, rmt_adv;
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
struct phy_device *phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
|
|
mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
|
|
MAC_MODE_HALF_DUPLEX);
|
|
|
|
oldflowctrl = tp->link_config.active_flowctrl;
|
|
|
|
if (phydev->link) {
|
|
lcl_adv = 0;
|
|
rmt_adv = 0;
|
|
|
|
if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
|
|
mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
else if (phydev->speed == SPEED_1000 ||
|
|
tg3_asic_rev(tp) != ASIC_REV_5785)
|
|
mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
else
|
|
mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
|
|
if (phydev->duplex == DUPLEX_HALF)
|
|
mac_mode |= MAC_MODE_HALF_DUPLEX;
|
|
else {
|
|
lcl_adv = mii_advertise_flowctrl(
|
|
tp->link_config.flowctrl);
|
|
|
|
if (phydev->pause)
|
|
rmt_adv = LPA_PAUSE_CAP;
|
|
if (phydev->asym_pause)
|
|
rmt_adv |= LPA_PAUSE_ASYM;
|
|
}
|
|
|
|
tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
|
|
} else
|
|
mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
|
|
if (mac_mode != tp->mac_mode) {
|
|
tp->mac_mode = mac_mode;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5785) {
|
|
if (phydev->speed == SPEED_10)
|
|
tw32(MAC_MI_STAT,
|
|
MAC_MI_STAT_10MBPS_MODE |
|
|
MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
|
|
else
|
|
tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
|
|
}
|
|
|
|
if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
|
|
tw32(MAC_TX_LENGTHS,
|
|
((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
|
|
(6 << TX_LENGTHS_IPG_SHIFT) |
|
|
(0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
|
|
else
|
|
tw32(MAC_TX_LENGTHS,
|
|
((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
|
|
(6 << TX_LENGTHS_IPG_SHIFT) |
|
|
(32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
|
|
|
|
if (phydev->link != tp->old_link ||
|
|
phydev->speed != tp->link_config.active_speed ||
|
|
phydev->duplex != tp->link_config.active_duplex ||
|
|
oldflowctrl != tp->link_config.active_flowctrl)
|
|
linkmesg = 1;
|
|
|
|
tp->old_link = phydev->link;
|
|
tp->link_config.active_speed = phydev->speed;
|
|
tp->link_config.active_duplex = phydev->duplex;
|
|
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
if (linkmesg)
|
|
tg3_link_report(tp);
|
|
}
|
|
|
|
static int tg3_phy_init(struct tg3 *tp)
|
|
{
|
|
struct phy_device *phydev;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)
|
|
return 0;
|
|
|
|
/* Bring the PHY back to a known state. */
|
|
tg3_bmcr_reset(tp);
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
/* Attach the MAC to the PHY. */
|
|
phydev = phy_connect(tp->dev, phydev_name(phydev),
|
|
tg3_adjust_link, phydev->interface);
|
|
if (IS_ERR(phydev)) {
|
|
dev_err(&tp->pdev->dev, "Could not attach to PHY\n");
|
|
return PTR_ERR(phydev);
|
|
}
|
|
|
|
/* Mask with MAC supported features. */
|
|
switch (phydev->interface) {
|
|
case PHY_INTERFACE_MODE_GMII:
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
phy_set_max_speed(phydev, SPEED_1000);
|
|
phy_support_asym_pause(phydev);
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case PHY_INTERFACE_MODE_MII:
|
|
phy_set_max_speed(phydev, SPEED_100);
|
|
phy_support_asym_pause(phydev);
|
|
break;
|
|
default:
|
|
phy_disconnect(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
|
|
return -EINVAL;
|
|
}
|
|
|
|
tp->phy_flags |= TG3_PHYFLG_IS_CONNECTED;
|
|
|
|
phy_attached_info(phydev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_phy_start(struct tg3 *tp)
|
|
{
|
|
struct phy_device *phydev;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return;
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
|
|
tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
|
|
phydev->speed = tp->link_config.speed;
|
|
phydev->duplex = tp->link_config.duplex;
|
|
phydev->autoneg = tp->link_config.autoneg;
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
|
phydev->advertising, tp->link_config.advertising);
|
|
}
|
|
|
|
phy_start(phydev);
|
|
|
|
phy_start_aneg(phydev);
|
|
}
|
|
|
|
static void tg3_phy_stop(struct tg3 *tp)
|
|
{
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return;
|
|
|
|
phy_stop(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
|
|
}
|
|
|
|
static void tg3_phy_fini(struct tg3 *tp)
|
|
{
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
|
|
phy_disconnect(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
|
|
tp->phy_flags &= ~TG3_PHYFLG_IS_CONNECTED;
|
|
}
|
|
}
|
|
|
|
static int tg3_phy_set_extloopbk(struct tg3 *tp)
|
|
{
|
|
int err;
|
|
u32 val;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET)
|
|
return 0;
|
|
|
|
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
|
|
/* Cannot do read-modify-write on 5401 */
|
|
err = tg3_phy_auxctl_write(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
|
|
MII_TG3_AUXCTL_ACTL_EXTLOOPBK |
|
|
0x4c20);
|
|
goto done;
|
|
}
|
|
|
|
err = tg3_phy_auxctl_read(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
val |= MII_TG3_AUXCTL_ACTL_EXTLOOPBK;
|
|
err = tg3_phy_auxctl_write(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_AUXCTL, val);
|
|
|
|
done:
|
|
return err;
|
|
}
|
|
|
|
static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
|
|
{
|
|
u32 phytest;
|
|
|
|
if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
|
|
u32 phy;
|
|
|
|
tg3_writephy(tp, MII_TG3_FET_TEST,
|
|
phytest | MII_TG3_FET_SHADOW_EN);
|
|
if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
|
|
if (enable)
|
|
phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
|
|
else
|
|
phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
|
|
tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
|
|
}
|
|
tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
|
|
}
|
|
}
|
|
|
|
static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
|
|
{
|
|
u32 reg;
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS) ||
|
|
(tg3_flag(tp, 5717_PLUS) &&
|
|
(tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
|
|
return;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
tg3_phy_fet_toggle_apd(tp, enable);
|
|
return;
|
|
}
|
|
|
|
reg = MII_TG3_MISC_SHDW_SCR5_LPED |
|
|
MII_TG3_MISC_SHDW_SCR5_DLPTLM |
|
|
MII_TG3_MISC_SHDW_SCR5_SDTL |
|
|
MII_TG3_MISC_SHDW_SCR5_C125OE;
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5784 || !enable)
|
|
reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
|
|
|
|
tg3_phy_shdw_write(tp, MII_TG3_MISC_SHDW_SCR5_SEL, reg);
|
|
|
|
|
|
reg = MII_TG3_MISC_SHDW_APD_WKTM_84MS;
|
|
if (enable)
|
|
reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
|
|
|
|
tg3_phy_shdw_write(tp, MII_TG3_MISC_SHDW_APD_SEL, reg);
|
|
}
|
|
|
|
static void tg3_phy_toggle_automdix(struct tg3 *tp, bool enable)
|
|
{
|
|
u32 phy;
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS) ||
|
|
(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
|
|
return;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
u32 ephy;
|
|
|
|
if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
|
|
u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
|
|
|
|
tg3_writephy(tp, MII_TG3_FET_TEST,
|
|
ephy | MII_TG3_FET_SHADOW_EN);
|
|
if (!tg3_readphy(tp, reg, &phy)) {
|
|
if (enable)
|
|
phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
|
|
else
|
|
phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
|
|
tg3_writephy(tp, reg, phy);
|
|
}
|
|
tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
|
|
}
|
|
} else {
|
|
int ret;
|
|
|
|
ret = tg3_phy_auxctl_read(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_MISC, &phy);
|
|
if (!ret) {
|
|
if (enable)
|
|
phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
|
|
else
|
|
phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
|
|
tg3_phy_auxctl_write(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_MISC, phy);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tg3_phy_set_wirespeed(struct tg3 *tp)
|
|
{
|
|
int ret;
|
|
u32 val;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED)
|
|
return;
|
|
|
|
ret = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_MISC, &val);
|
|
if (!ret)
|
|
tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_MISC,
|
|
val | MII_TG3_AUXCTL_MISC_WIRESPD_EN);
|
|
}
|
|
|
|
static void tg3_phy_apply_otp(struct tg3 *tp)
|
|
{
|
|
u32 otp, phy;
|
|
|
|
if (!tp->phy_otp)
|
|
return;
|
|
|
|
otp = tp->phy_otp;
|
|
|
|
if (tg3_phy_toggle_auxctl_smdsp(tp, true))
|
|
return;
|
|
|
|
phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
|
|
phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
|
|
|
|
phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
|
|
((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
|
|
|
|
phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
|
|
phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
|
|
|
|
phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
|
|
|
|
phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
|
|
|
|
phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
|
|
((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
|
|
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
|
|
static void tg3_eee_pull_config(struct tg3 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u32 val;
|
|
struct ethtool_eee *dest = &tp->eee;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
|
|
return;
|
|
|
|
if (eee)
|
|
dest = eee;
|
|
|
|
if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, TG3_CL45_D7_EEERES_STAT, &val))
|
|
return;
|
|
|
|
/* Pull eee_active */
|
|
if (val == TG3_CL45_D7_EEERES_STAT_LP_1000T ||
|
|
val == TG3_CL45_D7_EEERES_STAT_LP_100TX) {
|
|
dest->eee_active = 1;
|
|
} else
|
|
dest->eee_active = 0;
|
|
|
|
/* Pull lp advertised settings */
|
|
if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE, &val))
|
|
return;
|
|
dest->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
/* Pull advertised and eee_enabled settings */
|
|
if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, &val))
|
|
return;
|
|
dest->eee_enabled = !!val;
|
|
dest->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
/* Pull tx_lpi_enabled */
|
|
val = tr32(TG3_CPMU_EEE_MODE);
|
|
dest->tx_lpi_enabled = !!(val & TG3_CPMU_EEEMD_LPI_IN_TX);
|
|
|
|
/* Pull lpi timer value */
|
|
dest->tx_lpi_timer = tr32(TG3_CPMU_EEE_DBTMR1) & 0xffff;
|
|
}
|
|
|
|
static void tg3_phy_eee_adjust(struct tg3 *tp, bool current_link_up)
|
|
{
|
|
u32 val;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
|
|
return;
|
|
|
|
tp->setlpicnt = 0;
|
|
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE &&
|
|
current_link_up &&
|
|
tp->link_config.active_duplex == DUPLEX_FULL &&
|
|
(tp->link_config.active_speed == SPEED_100 ||
|
|
tp->link_config.active_speed == SPEED_1000)) {
|
|
u32 eeectl;
|
|
|
|
if (tp->link_config.active_speed == SPEED_1000)
|
|
eeectl = TG3_CPMU_EEE_CTRL_EXIT_16_5_US;
|
|
else
|
|
eeectl = TG3_CPMU_EEE_CTRL_EXIT_36_US;
|
|
|
|
tw32(TG3_CPMU_EEE_CTRL, eeectl);
|
|
|
|
tg3_eee_pull_config(tp, NULL);
|
|
if (tp->eee.eee_active)
|
|
tp->setlpicnt = 2;
|
|
}
|
|
|
|
if (!tp->setlpicnt) {
|
|
if (current_link_up &&
|
|
!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
|
|
val = tr32(TG3_CPMU_EEE_MODE);
|
|
tw32(TG3_CPMU_EEE_MODE, val & ~TG3_CPMU_EEEMD_LPI_ENABLE);
|
|
}
|
|
}
|
|
|
|
static void tg3_phy_eee_enable(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
if (tp->link_config.active_speed == SPEED_1000 &&
|
|
(tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_flag(tp, 57765_CLASS)) &&
|
|
!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
|
|
val = MII_TG3_DSP_TAP26_ALNOKO |
|
|
MII_TG3_DSP_TAP26_RMRXSTO;
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
|
|
val = tr32(TG3_CPMU_EEE_MODE);
|
|
tw32(TG3_CPMU_EEE_MODE, val | TG3_CPMU_EEEMD_LPI_ENABLE);
|
|
}
|
|
|
|
static int tg3_wait_macro_done(struct tg3 *tp)
|
|
{
|
|
int limit = 100;
|
|
|
|
while (limit--) {
|
|
u32 tmp32;
|
|
|
|
if (!tg3_readphy(tp, MII_TG3_DSP_CONTROL, &tmp32)) {
|
|
if ((tmp32 & 0x1000) == 0)
|
|
break;
|
|
}
|
|
}
|
|
if (limit < 0)
|
|
return -EBUSY;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
|
|
{
|
|
static const u32 test_pat[4][6] = {
|
|
{ 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
|
|
{ 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
|
|
{ 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
|
|
{ 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
|
|
};
|
|
int chan;
|
|
|
|
for (chan = 0; chan < 4; chan++) {
|
|
int i;
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
|
|
(chan * 0x2000) | 0x0200);
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
|
|
|
|
for (i = 0; i < 6; i++)
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
|
|
test_pat[chan][i]);
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
|
|
if (tg3_wait_macro_done(tp)) {
|
|
*resetp = 1;
|
|
return -EBUSY;
|
|
}
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
|
|
(chan * 0x2000) | 0x0200);
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0082);
|
|
if (tg3_wait_macro_done(tp)) {
|
|
*resetp = 1;
|
|
return -EBUSY;
|
|
}
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0802);
|
|
if (tg3_wait_macro_done(tp)) {
|
|
*resetp = 1;
|
|
return -EBUSY;
|
|
}
|
|
|
|
for (i = 0; i < 6; i += 2) {
|
|
u32 low, high;
|
|
|
|
if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
|
|
tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
|
|
tg3_wait_macro_done(tp)) {
|
|
*resetp = 1;
|
|
return -EBUSY;
|
|
}
|
|
low &= 0x7fff;
|
|
high &= 0x000f;
|
|
if (low != test_pat[chan][i] ||
|
|
high != test_pat[chan][i+1]) {
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
|
|
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_phy_reset_chanpat(struct tg3 *tp)
|
|
{
|
|
int chan;
|
|
|
|
for (chan = 0; chan < 4; chan++) {
|
|
int i;
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
|
|
(chan * 0x2000) | 0x0200);
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
|
|
for (i = 0; i < 6; i++)
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
|
|
if (tg3_wait_macro_done(tp))
|
|
return -EBUSY;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
|
|
{
|
|
u32 reg32, phy9_orig;
|
|
int retries, do_phy_reset, err;
|
|
|
|
retries = 10;
|
|
do_phy_reset = 1;
|
|
do {
|
|
if (do_phy_reset) {
|
|
err = tg3_bmcr_reset(tp);
|
|
if (err)
|
|
return err;
|
|
do_phy_reset = 0;
|
|
}
|
|
|
|
/* Disable transmitter and interrupt. */
|
|
if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32))
|
|
continue;
|
|
|
|
reg32 |= 0x3000;
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
|
|
|
|
/* Set full-duplex, 1000 mbps. */
|
|
tg3_writephy(tp, MII_BMCR,
|
|
BMCR_FULLDPLX | BMCR_SPEED1000);
|
|
|
|
/* Set to master mode. */
|
|
if (tg3_readphy(tp, MII_CTRL1000, &phy9_orig))
|
|
continue;
|
|
|
|
tg3_writephy(tp, MII_CTRL1000,
|
|
CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
|
|
|
|
err = tg3_phy_toggle_auxctl_smdsp(tp, true);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Block the PHY control access. */
|
|
tg3_phydsp_write(tp, 0x8005, 0x0800);
|
|
|
|
err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
|
|
if (!err)
|
|
break;
|
|
} while (--retries);
|
|
|
|
err = tg3_phy_reset_chanpat(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_phydsp_write(tp, 0x8005, 0x0000);
|
|
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
|
|
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
|
|
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
|
|
tg3_writephy(tp, MII_CTRL1000, phy9_orig);
|
|
|
|
err = tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32);
|
|
if (err)
|
|
return err;
|
|
|
|
reg32 &= ~0x3000;
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_carrier_off(struct tg3 *tp)
|
|
{
|
|
netif_carrier_off(tp->dev);
|
|
tp->link_up = false;
|
|
}
|
|
|
|
static void tg3_warn_mgmt_link_flap(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, ENABLE_ASF))
|
|
netdev_warn(tp->dev,
|
|
"Management side-band traffic will be interrupted during phy settings change\n");
|
|
}
|
|
|
|
/* This will reset the tigon3 PHY if there is no valid
|
|
* link unless the FORCE argument is non-zero.
|
|
*/
|
|
static int tg3_phy_reset(struct tg3 *tp)
|
|
{
|
|
u32 val, cpmuctrl;
|
|
int err;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
val = tr32(GRC_MISC_CFG);
|
|
tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
|
|
udelay(40);
|
|
}
|
|
err = tg3_readphy(tp, MII_BMSR, &val);
|
|
err |= tg3_readphy(tp, MII_BMSR, &val);
|
|
if (err != 0)
|
|
return -EBUSY;
|
|
|
|
if (netif_running(tp->dev) && tp->link_up) {
|
|
netif_carrier_off(tp->dev);
|
|
tg3_link_report(tp);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5704 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
err = tg3_phy_reset_5703_4_5(tp);
|
|
if (err)
|
|
return err;
|
|
goto out;
|
|
}
|
|
|
|
cpmuctrl = 0;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5784 &&
|
|
tg3_chip_rev(tp) != CHIPREV_5784_AX) {
|
|
cpmuctrl = tr32(TG3_CPMU_CTRL);
|
|
if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
|
|
tw32(TG3_CPMU_CTRL,
|
|
cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
|
|
}
|
|
|
|
err = tg3_bmcr_reset(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
|
|
val = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, val);
|
|
|
|
tw32(TG3_CPMU_CTRL, cpmuctrl);
|
|
}
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5784_AX ||
|
|
tg3_chip_rev(tp) == CHIPREV_5761_AX) {
|
|
val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
|
|
if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
|
|
CPMU_LSPD_1000MB_MACCLK_12_5) {
|
|
val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
|
|
udelay(40);
|
|
tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
|
|
}
|
|
}
|
|
|
|
if (tg3_flag(tp, 5717_PLUS) &&
|
|
(tp->phy_flags & TG3_PHYFLG_MII_SERDES))
|
|
return 0;
|
|
|
|
tg3_phy_apply_otp(tp);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
|
|
tg3_phy_toggle_apd(tp, true);
|
|
else
|
|
tg3_phy_toggle_apd(tp, false);
|
|
|
|
out:
|
|
if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
|
|
!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
|
|
tg3_phydsp_write(tp, 0x201f, 0x2aaa);
|
|
tg3_phydsp_write(tp, 0x000a, 0x0323);
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
|
|
}
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
|
|
if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
|
|
tg3_phydsp_write(tp, 0x000a, 0x310b);
|
|
tg3_phydsp_write(tp, 0x201f, 0x9506);
|
|
tg3_phydsp_write(tp, 0x401f, 0x14e2);
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
} else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
|
|
if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
|
|
if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
|
|
tg3_writephy(tp, MII_TG3_TEST1,
|
|
MII_TG3_TEST1_TRIM_EN | 0x4);
|
|
} else
|
|
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
|
|
|
|
tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
}
|
|
}
|
|
|
|
/* Set Extended packet length bit (bit 14) on all chips that */
|
|
/* support jumbo frames */
|
|
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
|
|
/* Cannot do read-modify-write on 5401 */
|
|
tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20);
|
|
} else if (tg3_flag(tp, JUMBO_CAPABLE)) {
|
|
/* Set bit 14 with read-modify-write to preserve other bits */
|
|
err = tg3_phy_auxctl_read(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
|
|
if (!err)
|
|
tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
|
|
val | MII_TG3_AUXCTL_ACTL_EXTPKTLEN);
|
|
}
|
|
|
|
/* Set phy register 0x10 bit 0 to high fifo elasticity to support
|
|
* jumbo frames transmission.
|
|
*/
|
|
if (tg3_flag(tp, JUMBO_CAPABLE)) {
|
|
if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &val))
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL,
|
|
val | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
/* adjust output voltage */
|
|
tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
|
|
}
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5762_A0)
|
|
tg3_phydsp_write(tp, 0xffb, 0x4000);
|
|
|
|
tg3_phy_toggle_automdix(tp, true);
|
|
tg3_phy_set_wirespeed(tp);
|
|
return 0;
|
|
}
|
|
|
|
#define TG3_GPIO_MSG_DRVR_PRES 0x00000001
|
|
#define TG3_GPIO_MSG_NEED_VAUX 0x00000002
|
|
#define TG3_GPIO_MSG_MASK (TG3_GPIO_MSG_DRVR_PRES | \
|
|
TG3_GPIO_MSG_NEED_VAUX)
|
|
#define TG3_GPIO_MSG_ALL_DRVR_PRES_MASK \
|
|
((TG3_GPIO_MSG_DRVR_PRES << 0) | \
|
|
(TG3_GPIO_MSG_DRVR_PRES << 4) | \
|
|
(TG3_GPIO_MSG_DRVR_PRES << 8) | \
|
|
(TG3_GPIO_MSG_DRVR_PRES << 12))
|
|
|
|
#define TG3_GPIO_MSG_ALL_NEED_VAUX_MASK \
|
|
((TG3_GPIO_MSG_NEED_VAUX << 0) | \
|
|
(TG3_GPIO_MSG_NEED_VAUX << 4) | \
|
|
(TG3_GPIO_MSG_NEED_VAUX << 8) | \
|
|
(TG3_GPIO_MSG_NEED_VAUX << 12))
|
|
|
|
static inline u32 tg3_set_function_status(struct tg3 *tp, u32 newstat)
|
|
{
|
|
u32 status, shift;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
status = tg3_ape_read32(tp, TG3_APE_GPIO_MSG);
|
|
else
|
|
status = tr32(TG3_CPMU_DRV_STATUS);
|
|
|
|
shift = TG3_APE_GPIO_MSG_SHIFT + 4 * tp->pci_fn;
|
|
status &= ~(TG3_GPIO_MSG_MASK << shift);
|
|
status |= (newstat << shift);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
tg3_ape_write32(tp, TG3_APE_GPIO_MSG, status);
|
|
else
|
|
tw32(TG3_CPMU_DRV_STATUS, status);
|
|
|
|
return status >> TG3_APE_GPIO_MSG_SHIFT;
|
|
}
|
|
|
|
static inline int tg3_pwrsrc_switch_to_vmain(struct tg3 *tp)
|
|
{
|
|
if (!tg3_flag(tp, IS_NIC))
|
|
return 0;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720) {
|
|
if (tg3_ape_lock(tp, TG3_APE_LOCK_GPIO))
|
|
return -EIO;
|
|
|
|
tg3_set_function_status(tp, TG3_GPIO_MSG_DRVR_PRES);
|
|
|
|
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_GPIO);
|
|
} else {
|
|
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_pwrsrc_die_with_vmain(struct tg3 *tp)
|
|
{
|
|
u32 grc_local_ctrl;
|
|
|
|
if (!tg3_flag(tp, IS_NIC) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701)
|
|
return;
|
|
|
|
grc_local_ctrl = tp->grc_local_ctrl | GRC_LCLCTRL_GPIO_OE1;
|
|
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
grc_local_ctrl | GRC_LCLCTRL_GPIO_OUTPUT1,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
grc_local_ctrl | GRC_LCLCTRL_GPIO_OUTPUT1,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
}
|
|
|
|
static void tg3_pwrsrc_switch_to_vaux(struct tg3 *tp)
|
|
{
|
|
if (!tg3_flag(tp, IS_NIC))
|
|
return;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
|
|
(GRC_LCLCTRL_GPIO_OE0 |
|
|
GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OE2 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT0 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1),
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
} else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
|
|
/* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
|
|
u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
|
|
GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OE2 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT0 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1 |
|
|
tp->grc_local_ctrl;
|
|
tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
|
|
tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
|
|
tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
} else {
|
|
u32 no_gpio2;
|
|
u32 grc_local_ctrl = 0;
|
|
|
|
/* Workaround to prevent overdrawing Amps. */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
|
|
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
|
|
grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
}
|
|
|
|
/* On 5753 and variants, GPIO2 cannot be used. */
|
|
no_gpio2 = tp->nic_sram_data_cfg &
|
|
NIC_SRAM_DATA_CFG_NO_GPIO2;
|
|
|
|
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
|
|
GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OE2 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT2;
|
|
if (no_gpio2) {
|
|
grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT2);
|
|
}
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
tp->grc_local_ctrl | grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
|
|
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
tp->grc_local_ctrl | grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
|
|
if (!no_gpio2) {
|
|
grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
|
|
tw32_wait_f(GRC_LOCAL_CTRL,
|
|
tp->grc_local_ctrl | grc_local_ctrl,
|
|
TG3_GRC_LCLCTL_PWRSW_DELAY);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tg3_frob_aux_power_5717(struct tg3 *tp, bool wol_enable)
|
|
{
|
|
u32 msg = 0;
|
|
|
|
/* Serialize power state transitions */
|
|
if (tg3_ape_lock(tp, TG3_APE_LOCK_GPIO))
|
|
return;
|
|
|
|
if (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE) || wol_enable)
|
|
msg = TG3_GPIO_MSG_NEED_VAUX;
|
|
|
|
msg = tg3_set_function_status(tp, msg);
|
|
|
|
if (msg & TG3_GPIO_MSG_ALL_DRVR_PRES_MASK)
|
|
goto done;
|
|
|
|
if (msg & TG3_GPIO_MSG_ALL_NEED_VAUX_MASK)
|
|
tg3_pwrsrc_switch_to_vaux(tp);
|
|
else
|
|
tg3_pwrsrc_die_with_vmain(tp);
|
|
|
|
done:
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_GPIO);
|
|
}
|
|
|
|
static void tg3_frob_aux_power(struct tg3 *tp, bool include_wol)
|
|
{
|
|
bool need_vaux = false;
|
|
|
|
/* The GPIOs do something completely different on 57765. */
|
|
if (!tg3_flag(tp, IS_NIC) || tg3_flag(tp, 57765_CLASS))
|
|
return;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720) {
|
|
tg3_frob_aux_power_5717(tp, include_wol ?
|
|
tg3_flag(tp, WOL_ENABLE) != 0 : 0);
|
|
return;
|
|
}
|
|
|
|
if (tp->pdev_peer && tp->pdev_peer != tp->pdev) {
|
|
struct net_device *dev_peer;
|
|
|
|
dev_peer = pci_get_drvdata(tp->pdev_peer);
|
|
|
|
/* remove_one() may have been run on the peer. */
|
|
if (dev_peer) {
|
|
struct tg3 *tp_peer = netdev_priv(dev_peer);
|
|
|
|
if (tg3_flag(tp_peer, INIT_COMPLETE))
|
|
return;
|
|
|
|
if ((include_wol && tg3_flag(tp_peer, WOL_ENABLE)) ||
|
|
tg3_flag(tp_peer, ENABLE_ASF))
|
|
need_vaux = true;
|
|
}
|
|
}
|
|
|
|
if ((include_wol && tg3_flag(tp, WOL_ENABLE)) ||
|
|
tg3_flag(tp, ENABLE_ASF))
|
|
need_vaux = true;
|
|
|
|
if (need_vaux)
|
|
tg3_pwrsrc_switch_to_vaux(tp);
|
|
else
|
|
tg3_pwrsrc_die_with_vmain(tp);
|
|
}
|
|
|
|
static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
|
|
{
|
|
if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
|
|
return 1;
|
|
else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
|
|
if (speed != SPEED_10)
|
|
return 1;
|
|
} else if (speed == SPEED_10)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool tg3_phy_power_bug(struct tg3 *tp)
|
|
{
|
|
switch (tg3_asic_rev(tp)) {
|
|
case ASIC_REV_5700:
|
|
case ASIC_REV_5704:
|
|
return true;
|
|
case ASIC_REV_5780:
|
|
if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
|
|
return true;
|
|
return false;
|
|
case ASIC_REV_5717:
|
|
if (!tp->pci_fn)
|
|
return true;
|
|
return false;
|
|
case ASIC_REV_5719:
|
|
case ASIC_REV_5720:
|
|
if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
|
|
!tp->pci_fn)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool tg3_phy_led_bug(struct tg3 *tp)
|
|
{
|
|
switch (tg3_asic_rev(tp)) {
|
|
case ASIC_REV_5719:
|
|
case ASIC_REV_5720:
|
|
if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
|
|
!tp->pci_fn)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
|
|
{
|
|
u32 val;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)
|
|
return;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704) {
|
|
u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
|
|
u32 serdes_cfg = tr32(MAC_SERDES_CFG);
|
|
|
|
sg_dig_ctrl |=
|
|
SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
|
|
tw32(SG_DIG_CTRL, sg_dig_ctrl);
|
|
tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tg3_bmcr_reset(tp);
|
|
val = tr32(GRC_MISC_CFG);
|
|
tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
|
|
udelay(40);
|
|
return;
|
|
} else if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
u32 phytest;
|
|
if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
|
|
u32 phy;
|
|
|
|
tg3_writephy(tp, MII_ADVERTISE, 0);
|
|
tg3_writephy(tp, MII_BMCR,
|
|
BMCR_ANENABLE | BMCR_ANRESTART);
|
|
|
|
tg3_writephy(tp, MII_TG3_FET_TEST,
|
|
phytest | MII_TG3_FET_SHADOW_EN);
|
|
if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
|
|
phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
|
|
tg3_writephy(tp,
|
|
MII_TG3_FET_SHDW_AUXMODE4,
|
|
phy);
|
|
}
|
|
tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
|
|
}
|
|
return;
|
|
} else if (do_low_power) {
|
|
if (!tg3_phy_led_bug(tp))
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL,
|
|
MII_TG3_EXT_CTRL_FORCE_LED_OFF);
|
|
|
|
val = MII_TG3_AUXCTL_PCTL_100TX_LPWR |
|
|
MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
|
|
MII_TG3_AUXCTL_PCTL_VREG_11V;
|
|
tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, val);
|
|
}
|
|
|
|
/* The PHY should not be powered down on some chips because
|
|
* of bugs.
|
|
*/
|
|
if (tg3_phy_power_bug(tp))
|
|
return;
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5784_AX ||
|
|
tg3_chip_rev(tp) == CHIPREV_5761_AX) {
|
|
val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
|
|
val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
|
|
val |= CPMU_LSPD_1000MB_MACCLK_12_5;
|
|
tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
|
|
}
|
|
|
|
tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_nvram_lock(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, NVRAM)) {
|
|
int i;
|
|
|
|
if (tp->nvram_lock_cnt == 0) {
|
|
tw32(NVRAM_SWARB, SWARB_REQ_SET1);
|
|
for (i = 0; i < 8000; i++) {
|
|
if (tr32(NVRAM_SWARB) & SWARB_GNT1)
|
|
break;
|
|
udelay(20);
|
|
}
|
|
if (i == 8000) {
|
|
tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
tp->nvram_lock_cnt++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_nvram_unlock(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, NVRAM)) {
|
|
if (tp->nvram_lock_cnt > 0)
|
|
tp->nvram_lock_cnt--;
|
|
if (tp->nvram_lock_cnt == 0)
|
|
tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_enable_nvram_access(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) {
|
|
u32 nvaccess = tr32(NVRAM_ACCESS);
|
|
|
|
tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_disable_nvram_access(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) {
|
|
u32 nvaccess = tr32(NVRAM_ACCESS);
|
|
|
|
tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
|
|
}
|
|
}
|
|
|
|
static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
|
|
u32 offset, u32 *val)
|
|
{
|
|
u32 tmp;
|
|
int i;
|
|
|
|
if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
|
|
return -EINVAL;
|
|
|
|
tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
|
|
EEPROM_ADDR_DEVID_MASK |
|
|
EEPROM_ADDR_READ);
|
|
tw32(GRC_EEPROM_ADDR,
|
|
tmp |
|
|
(0 << EEPROM_ADDR_DEVID_SHIFT) |
|
|
((offset << EEPROM_ADDR_ADDR_SHIFT) &
|
|
EEPROM_ADDR_ADDR_MASK) |
|
|
EEPROM_ADDR_READ | EEPROM_ADDR_START);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
tmp = tr32(GRC_EEPROM_ADDR);
|
|
|
|
if (tmp & EEPROM_ADDR_COMPLETE)
|
|
break;
|
|
msleep(1);
|
|
}
|
|
if (!(tmp & EEPROM_ADDR_COMPLETE))
|
|
return -EBUSY;
|
|
|
|
tmp = tr32(GRC_EEPROM_DATA);
|
|
|
|
/*
|
|
* The data will always be opposite the native endian
|
|
* format. Perform a blind byteswap to compensate.
|
|
*/
|
|
*val = swab32(tmp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define NVRAM_CMD_TIMEOUT 10000
|
|
|
|
static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
|
|
{
|
|
int i;
|
|
|
|
tw32(NVRAM_CMD, nvram_cmd);
|
|
for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
|
|
usleep_range(10, 40);
|
|
if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
|
|
udelay(10);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == NVRAM_CMD_TIMEOUT)
|
|
return -EBUSY;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
|
|
{
|
|
if (tg3_flag(tp, NVRAM) &&
|
|
tg3_flag(tp, NVRAM_BUFFERED) &&
|
|
tg3_flag(tp, FLASH) &&
|
|
!tg3_flag(tp, NO_NVRAM_ADDR_TRANS) &&
|
|
(tp->nvram_jedecnum == JEDEC_ATMEL))
|
|
|
|
addr = ((addr / tp->nvram_pagesize) <<
|
|
ATMEL_AT45DB0X1B_PAGE_POS) +
|
|
(addr % tp->nvram_pagesize);
|
|
|
|
return addr;
|
|
}
|
|
|
|
static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
|
|
{
|
|
if (tg3_flag(tp, NVRAM) &&
|
|
tg3_flag(tp, NVRAM_BUFFERED) &&
|
|
tg3_flag(tp, FLASH) &&
|
|
!tg3_flag(tp, NO_NVRAM_ADDR_TRANS) &&
|
|
(tp->nvram_jedecnum == JEDEC_ATMEL))
|
|
|
|
addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
|
|
tp->nvram_pagesize) +
|
|
(addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
|
|
|
|
return addr;
|
|
}
|
|
|
|
/* NOTE: Data read in from NVRAM is byteswapped according to
|
|
* the byteswapping settings for all other register accesses.
|
|
* tg3 devices are BE devices, so on a BE machine, the data
|
|
* returned will be exactly as it is seen in NVRAM. On a LE
|
|
* machine, the 32-bit value will be byteswapped.
|
|
*/
|
|
static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
|
|
{
|
|
int ret;
|
|
|
|
if (!tg3_flag(tp, NVRAM))
|
|
return tg3_nvram_read_using_eeprom(tp, offset, val);
|
|
|
|
offset = tg3_nvram_phys_addr(tp, offset);
|
|
|
|
if (offset > NVRAM_ADDR_MSK)
|
|
return -EINVAL;
|
|
|
|
ret = tg3_nvram_lock(tp);
|
|
if (ret)
|
|
return ret;
|
|
|
|
tg3_enable_nvram_access(tp);
|
|
|
|
tw32(NVRAM_ADDR, offset);
|
|
ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
|
|
NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
|
|
|
|
if (ret == 0)
|
|
*val = tr32(NVRAM_RDDATA);
|
|
|
|
tg3_disable_nvram_access(tp);
|
|
|
|
tg3_nvram_unlock(tp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Ensures NVRAM data is in bytestream format. */
|
|
static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
|
|
{
|
|
u32 v;
|
|
int res = tg3_nvram_read(tp, offset, &v);
|
|
if (!res)
|
|
*val = cpu_to_be32(v);
|
|
return res;
|
|
}
|
|
|
|
static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
|
|
u32 offset, u32 len, u8 *buf)
|
|
{
|
|
int i, j, rc = 0;
|
|
u32 val;
|
|
|
|
for (i = 0; i < len; i += 4) {
|
|
u32 addr;
|
|
__be32 data;
|
|
|
|
addr = offset + i;
|
|
|
|
memcpy(&data, buf + i, 4);
|
|
|
|
/*
|
|
* The SEEPROM interface expects the data to always be opposite
|
|
* the native endian format. We accomplish this by reversing
|
|
* all the operations that would have been performed on the
|
|
* data from a call to tg3_nvram_read_be32().
|
|
*/
|
|
tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
|
|
|
|
val = tr32(GRC_EEPROM_ADDR);
|
|
tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
|
|
|
|
val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
|
|
EEPROM_ADDR_READ);
|
|
tw32(GRC_EEPROM_ADDR, val |
|
|
(0 << EEPROM_ADDR_DEVID_SHIFT) |
|
|
(addr & EEPROM_ADDR_ADDR_MASK) |
|
|
EEPROM_ADDR_START |
|
|
EEPROM_ADDR_WRITE);
|
|
|
|
for (j = 0; j < 1000; j++) {
|
|
val = tr32(GRC_EEPROM_ADDR);
|
|
|
|
if (val & EEPROM_ADDR_COMPLETE)
|
|
break;
|
|
msleep(1);
|
|
}
|
|
if (!(val & EEPROM_ADDR_COMPLETE)) {
|
|
rc = -EBUSY;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/* offset and length are dword aligned */
|
|
static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
|
|
u8 *buf)
|
|
{
|
|
int ret = 0;
|
|
u32 pagesize = tp->nvram_pagesize;
|
|
u32 pagemask = pagesize - 1;
|
|
u32 nvram_cmd;
|
|
u8 *tmp;
|
|
|
|
tmp = kmalloc(pagesize, GFP_KERNEL);
|
|
if (tmp == NULL)
|
|
return -ENOMEM;
|
|
|
|
while (len) {
|
|
int j;
|
|
u32 phy_addr, page_off, size;
|
|
|
|
phy_addr = offset & ~pagemask;
|
|
|
|
for (j = 0; j < pagesize; j += 4) {
|
|
ret = tg3_nvram_read_be32(tp, phy_addr + j,
|
|
(__be32 *) (tmp + j));
|
|
if (ret)
|
|
break;
|
|
}
|
|
if (ret)
|
|
break;
|
|
|
|
page_off = offset & pagemask;
|
|
size = pagesize;
|
|
if (len < size)
|
|
size = len;
|
|
|
|
len -= size;
|
|
|
|
memcpy(tmp + page_off, buf, size);
|
|
|
|
offset = offset + (pagesize - page_off);
|
|
|
|
tg3_enable_nvram_access(tp);
|
|
|
|
/*
|
|
* Before we can erase the flash page, we need
|
|
* to issue a special "write enable" command.
|
|
*/
|
|
nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
|
|
|
|
if (tg3_nvram_exec_cmd(tp, nvram_cmd))
|
|
break;
|
|
|
|
/* Erase the target page */
|
|
tw32(NVRAM_ADDR, phy_addr);
|
|
|
|
nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
|
|
NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
|
|
|
|
if (tg3_nvram_exec_cmd(tp, nvram_cmd))
|
|
break;
|
|
|
|
/* Issue another write enable to start the write. */
|
|
nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
|
|
|
|
if (tg3_nvram_exec_cmd(tp, nvram_cmd))
|
|
break;
|
|
|
|
for (j = 0; j < pagesize; j += 4) {
|
|
__be32 data;
|
|
|
|
data = *((__be32 *) (tmp + j));
|
|
|
|
tw32(NVRAM_WRDATA, be32_to_cpu(data));
|
|
|
|
tw32(NVRAM_ADDR, phy_addr + j);
|
|
|
|
nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
|
|
NVRAM_CMD_WR;
|
|
|
|
if (j == 0)
|
|
nvram_cmd |= NVRAM_CMD_FIRST;
|
|
else if (j == (pagesize - 4))
|
|
nvram_cmd |= NVRAM_CMD_LAST;
|
|
|
|
ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
|
|
if (ret)
|
|
break;
|
|
}
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
|
|
tg3_nvram_exec_cmd(tp, nvram_cmd);
|
|
|
|
kfree(tmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* offset and length are dword aligned */
|
|
static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
|
|
u8 *buf)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < len; i += 4, offset += 4) {
|
|
u32 page_off, phy_addr, nvram_cmd;
|
|
__be32 data;
|
|
|
|
memcpy(&data, buf + i, 4);
|
|
tw32(NVRAM_WRDATA, be32_to_cpu(data));
|
|
|
|
page_off = offset % tp->nvram_pagesize;
|
|
|
|
phy_addr = tg3_nvram_phys_addr(tp, offset);
|
|
|
|
nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
|
|
|
|
if (page_off == 0 || i == 0)
|
|
nvram_cmd |= NVRAM_CMD_FIRST;
|
|
if (page_off == (tp->nvram_pagesize - 4))
|
|
nvram_cmd |= NVRAM_CMD_LAST;
|
|
|
|
if (i == (len - 4))
|
|
nvram_cmd |= NVRAM_CMD_LAST;
|
|
|
|
if ((nvram_cmd & NVRAM_CMD_FIRST) ||
|
|
!tg3_flag(tp, FLASH) ||
|
|
!tg3_flag(tp, 57765_PLUS))
|
|
tw32(NVRAM_ADDR, phy_addr);
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5752 &&
|
|
!tg3_flag(tp, 5755_PLUS) &&
|
|
(tp->nvram_jedecnum == JEDEC_ST) &&
|
|
(nvram_cmd & NVRAM_CMD_FIRST)) {
|
|
u32 cmd;
|
|
|
|
cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
|
|
ret = tg3_nvram_exec_cmd(tp, cmd);
|
|
if (ret)
|
|
break;
|
|
}
|
|
if (!tg3_flag(tp, FLASH)) {
|
|
/* We always do complete word writes to eeprom. */
|
|
nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
|
|
}
|
|
|
|
ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* offset and length are dword aligned */
|
|
static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
|
|
{
|
|
int ret;
|
|
|
|
if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
|
|
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
|
|
~GRC_LCLCTRL_GPIO_OUTPUT1);
|
|
udelay(40);
|
|
}
|
|
|
|
if (!tg3_flag(tp, NVRAM)) {
|
|
ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
|
|
} else {
|
|
u32 grc_mode;
|
|
|
|
ret = tg3_nvram_lock(tp);
|
|
if (ret)
|
|
return ret;
|
|
|
|
tg3_enable_nvram_access(tp);
|
|
if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM))
|
|
tw32(NVRAM_WRITE1, 0x406);
|
|
|
|
grc_mode = tr32(GRC_MODE);
|
|
tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
|
|
|
|
if (tg3_flag(tp, NVRAM_BUFFERED) || !tg3_flag(tp, FLASH)) {
|
|
ret = tg3_nvram_write_block_buffered(tp, offset, len,
|
|
buf);
|
|
} else {
|
|
ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
|
|
buf);
|
|
}
|
|
|
|
grc_mode = tr32(GRC_MODE);
|
|
tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
|
|
|
|
tg3_disable_nvram_access(tp);
|
|
tg3_nvram_unlock(tp);
|
|
}
|
|
|
|
if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
|
|
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
|
|
udelay(40);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define RX_CPU_SCRATCH_BASE 0x30000
|
|
#define RX_CPU_SCRATCH_SIZE 0x04000
|
|
#define TX_CPU_SCRATCH_BASE 0x34000
|
|
#define TX_CPU_SCRATCH_SIZE 0x04000
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_pause_cpu(struct tg3 *tp, u32 cpu_base)
|
|
{
|
|
int i;
|
|
const int iters = 10000;
|
|
|
|
for (i = 0; i < iters; i++) {
|
|
tw32(cpu_base + CPU_STATE, 0xffffffff);
|
|
tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
|
|
if (tr32(cpu_base + CPU_MODE) & CPU_MODE_HALT)
|
|
break;
|
|
if (pci_channel_offline(tp->pdev))
|
|
return -EBUSY;
|
|
}
|
|
|
|
return (i == iters) ? -EBUSY : 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_rxcpu_pause(struct tg3 *tp)
|
|
{
|
|
int rc = tg3_pause_cpu(tp, RX_CPU_BASE);
|
|
|
|
tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
|
|
tw32_f(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
|
|
udelay(10);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_txcpu_pause(struct tg3 *tp)
|
|
{
|
|
return tg3_pause_cpu(tp, TX_CPU_BASE);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_resume_cpu(struct tg3 *tp, u32 cpu_base)
|
|
{
|
|
tw32(cpu_base + CPU_STATE, 0xffffffff);
|
|
tw32_f(cpu_base + CPU_MODE, 0x00000000);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_rxcpu_resume(struct tg3 *tp)
|
|
{
|
|
tg3_resume_cpu(tp, RX_CPU_BASE);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_halt_cpu(struct tg3 *tp, u32 cpu_base)
|
|
{
|
|
int rc;
|
|
|
|
BUG_ON(cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS));
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
u32 val = tr32(GRC_VCPU_EXT_CTRL);
|
|
|
|
tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
|
|
return 0;
|
|
}
|
|
if (cpu_base == RX_CPU_BASE) {
|
|
rc = tg3_rxcpu_pause(tp);
|
|
} else {
|
|
/*
|
|
* There is only an Rx CPU for the 5750 derivative in the
|
|
* BCM4785.
|
|
*/
|
|
if (tg3_flag(tp, IS_SSB_CORE))
|
|
return 0;
|
|
|
|
rc = tg3_txcpu_pause(tp);
|
|
}
|
|
|
|
if (rc) {
|
|
netdev_err(tp->dev, "%s timed out, %s CPU\n",
|
|
__func__, cpu_base == RX_CPU_BASE ? "RX" : "TX");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Clear firmware's nvram arbitration. */
|
|
if (tg3_flag(tp, NVRAM))
|
|
tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_fw_data_len(struct tg3 *tp,
|
|
const struct tg3_firmware_hdr *fw_hdr)
|
|
{
|
|
int fw_len;
|
|
|
|
/* Non fragmented firmware have one firmware header followed by a
|
|
* contiguous chunk of data to be written. The length field in that
|
|
* header is not the length of data to be written but the complete
|
|
* length of the bss. The data length is determined based on
|
|
* tp->fw->size minus headers.
|
|
*
|
|
* Fragmented firmware have a main header followed by multiple
|
|
* fragments. Each fragment is identical to non fragmented firmware
|
|
* with a firmware header followed by a contiguous chunk of data. In
|
|
* the main header, the length field is unused and set to 0xffffffff.
|
|
* In each fragment header the length is the entire size of that
|
|
* fragment i.e. fragment data + header length. Data length is
|
|
* therefore length field in the header minus TG3_FW_HDR_LEN.
|
|
*/
|
|
if (tp->fw_len == 0xffffffff)
|
|
fw_len = be32_to_cpu(fw_hdr->len);
|
|
else
|
|
fw_len = tp->fw->size;
|
|
|
|
return (fw_len - TG3_FW_HDR_LEN) / sizeof(u32);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base,
|
|
u32 cpu_scratch_base, int cpu_scratch_size,
|
|
const struct tg3_firmware_hdr *fw_hdr)
|
|
{
|
|
int err, i;
|
|
void (*write_op)(struct tg3 *, u32, u32);
|
|
int total_len = tp->fw->size;
|
|
|
|
if (cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)) {
|
|
netdev_err(tp->dev,
|
|
"%s: Trying to load TX cpu firmware which is 5705\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tg3_flag(tp, 5705_PLUS) && tg3_asic_rev(tp) != ASIC_REV_57766)
|
|
write_op = tg3_write_mem;
|
|
else
|
|
write_op = tg3_write_indirect_reg32;
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_57766) {
|
|
/* It is possible that bootcode is still loading at this point.
|
|
* Get the nvram lock first before halting the cpu.
|
|
*/
|
|
int lock_err = tg3_nvram_lock(tp);
|
|
err = tg3_halt_cpu(tp, cpu_base);
|
|
if (!lock_err)
|
|
tg3_nvram_unlock(tp);
|
|
if (err)
|
|
goto out;
|
|
|
|
for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
|
|
write_op(tp, cpu_scratch_base + i, 0);
|
|
tw32(cpu_base + CPU_STATE, 0xffffffff);
|
|
tw32(cpu_base + CPU_MODE,
|
|
tr32(cpu_base + CPU_MODE) | CPU_MODE_HALT);
|
|
} else {
|
|
/* Subtract additional main header for fragmented firmware and
|
|
* advance to the first fragment
|
|
*/
|
|
total_len -= TG3_FW_HDR_LEN;
|
|
fw_hdr++;
|
|
}
|
|
|
|
do {
|
|
u32 *fw_data = (u32 *)(fw_hdr + 1);
|
|
for (i = 0; i < tg3_fw_data_len(tp, fw_hdr); i++)
|
|
write_op(tp, cpu_scratch_base +
|
|
(be32_to_cpu(fw_hdr->base_addr) & 0xffff) +
|
|
(i * sizeof(u32)),
|
|
be32_to_cpu(fw_data[i]));
|
|
|
|
total_len -= be32_to_cpu(fw_hdr->len);
|
|
|
|
/* Advance to next fragment */
|
|
fw_hdr = (struct tg3_firmware_hdr *)
|
|
((void *)fw_hdr + be32_to_cpu(fw_hdr->len));
|
|
} while (total_len > 0);
|
|
|
|
err = 0;
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_pause_cpu_and_set_pc(struct tg3 *tp, u32 cpu_base, u32 pc)
|
|
{
|
|
int i;
|
|
const int iters = 5;
|
|
|
|
tw32(cpu_base + CPU_STATE, 0xffffffff);
|
|
tw32_f(cpu_base + CPU_PC, pc);
|
|
|
|
for (i = 0; i < iters; i++) {
|
|
if (tr32(cpu_base + CPU_PC) == pc)
|
|
break;
|
|
tw32(cpu_base + CPU_STATE, 0xffffffff);
|
|
tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
|
|
tw32_f(cpu_base + CPU_PC, pc);
|
|
udelay(1000);
|
|
}
|
|
|
|
return (i == iters) ? -EBUSY : 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
|
|
{
|
|
const struct tg3_firmware_hdr *fw_hdr;
|
|
int err;
|
|
|
|
fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
|
|
|
|
/* Firmware blob starts with version numbers, followed by
|
|
start address and length. We are setting complete length.
|
|
length = end_address_of_bss - start_address_of_text.
|
|
Remainder is the blob to be loaded contiguously
|
|
from start address. */
|
|
|
|
err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
|
|
RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
|
|
fw_hdr);
|
|
if (err)
|
|
return err;
|
|
|
|
err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
|
|
TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
|
|
fw_hdr);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Now startup only the RX cpu. */
|
|
err = tg3_pause_cpu_and_set_pc(tp, RX_CPU_BASE,
|
|
be32_to_cpu(fw_hdr->base_addr));
|
|
if (err) {
|
|
netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x "
|
|
"should be %08x\n", __func__,
|
|
tr32(RX_CPU_BASE + CPU_PC),
|
|
be32_to_cpu(fw_hdr->base_addr));
|
|
return -ENODEV;
|
|
}
|
|
|
|
tg3_rxcpu_resume(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_validate_rxcpu_state(struct tg3 *tp)
|
|
{
|
|
const int iters = 1000;
|
|
int i;
|
|
u32 val;
|
|
|
|
/* Wait for boot code to complete initialization and enter service
|
|
* loop. It is then safe to download service patches
|
|
*/
|
|
for (i = 0; i < iters; i++) {
|
|
if (tr32(RX_CPU_HWBKPT) == TG3_SBROM_IN_SERVICE_LOOP)
|
|
break;
|
|
|
|
udelay(10);
|
|
}
|
|
|
|
if (i == iters) {
|
|
netdev_err(tp->dev, "Boot code not ready for service patches\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
val = tg3_read_indirect_reg32(tp, TG3_57766_FW_HANDSHAKE);
|
|
if (val & 0xff) {
|
|
netdev_warn(tp->dev,
|
|
"Other patches exist. Not downloading EEE patch\n");
|
|
return -EEXIST;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_load_57766_firmware(struct tg3 *tp)
|
|
{
|
|
struct tg3_firmware_hdr *fw_hdr;
|
|
|
|
if (!tg3_flag(tp, NO_NVRAM))
|
|
return;
|
|
|
|
if (tg3_validate_rxcpu_state(tp))
|
|
return;
|
|
|
|
if (!tp->fw)
|
|
return;
|
|
|
|
/* This firmware blob has a different format than older firmware
|
|
* releases as given below. The main difference is we have fragmented
|
|
* data to be written to non-contiguous locations.
|
|
*
|
|
* In the beginning we have a firmware header identical to other
|
|
* firmware which consists of version, base addr and length. The length
|
|
* here is unused and set to 0xffffffff.
|
|
*
|
|
* This is followed by a series of firmware fragments which are
|
|
* individually identical to previous firmware. i.e. they have the
|
|
* firmware header and followed by data for that fragment. The version
|
|
* field of the individual fragment header is unused.
|
|
*/
|
|
|
|
fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
|
|
if (be32_to_cpu(fw_hdr->base_addr) != TG3_57766_FW_BASE_ADDR)
|
|
return;
|
|
|
|
if (tg3_rxcpu_pause(tp))
|
|
return;
|
|
|
|
/* tg3_load_firmware_cpu() will always succeed for the 57766 */
|
|
tg3_load_firmware_cpu(tp, 0, TG3_57766_FW_BASE_ADDR, 0, fw_hdr);
|
|
|
|
tg3_rxcpu_resume(tp);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_load_tso_firmware(struct tg3 *tp)
|
|
{
|
|
const struct tg3_firmware_hdr *fw_hdr;
|
|
unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
|
|
int err;
|
|
|
|
if (!tg3_flag(tp, FW_TSO))
|
|
return 0;
|
|
|
|
fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
|
|
|
|
/* Firmware blob starts with version numbers, followed by
|
|
start address and length. We are setting complete length.
|
|
length = end_address_of_bss - start_address_of_text.
|
|
Remainder is the blob to be loaded contiguously
|
|
from start address. */
|
|
|
|
cpu_scratch_size = tp->fw_len;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
cpu_base = RX_CPU_BASE;
|
|
cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
|
|
} else {
|
|
cpu_base = TX_CPU_BASE;
|
|
cpu_scratch_base = TX_CPU_SCRATCH_BASE;
|
|
cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
|
|
}
|
|
|
|
err = tg3_load_firmware_cpu(tp, cpu_base,
|
|
cpu_scratch_base, cpu_scratch_size,
|
|
fw_hdr);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Now startup the cpu. */
|
|
err = tg3_pause_cpu_and_set_pc(tp, cpu_base,
|
|
be32_to_cpu(fw_hdr->base_addr));
|
|
if (err) {
|
|
netdev_err(tp->dev,
|
|
"%s fails to set CPU PC, is %08x should be %08x\n",
|
|
__func__, tr32(cpu_base + CPU_PC),
|
|
be32_to_cpu(fw_hdr->base_addr));
|
|
return -ENODEV;
|
|
}
|
|
|
|
tg3_resume_cpu(tp, cpu_base);
|
|
return 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void __tg3_set_one_mac_addr(struct tg3 *tp, const u8 *mac_addr,
|
|
int index)
|
|
{
|
|
u32 addr_high, addr_low;
|
|
|
|
addr_high = ((mac_addr[0] << 8) | mac_addr[1]);
|
|
addr_low = ((mac_addr[2] << 24) | (mac_addr[3] << 16) |
|
|
(mac_addr[4] << 8) | mac_addr[5]);
|
|
|
|
if (index < 4) {
|
|
tw32(MAC_ADDR_0_HIGH + (index * 8), addr_high);
|
|
tw32(MAC_ADDR_0_LOW + (index * 8), addr_low);
|
|
} else {
|
|
index -= 4;
|
|
tw32(MAC_EXTADDR_0_HIGH + (index * 8), addr_high);
|
|
tw32(MAC_EXTADDR_0_LOW + (index * 8), addr_low);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void __tg3_set_mac_addr(struct tg3 *tp, bool skip_mac_1)
|
|
{
|
|
u32 addr_high;
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
if (i == 1 && skip_mac_1)
|
|
continue;
|
|
__tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5704) {
|
|
for (i = 4; i < 16; i++)
|
|
__tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i);
|
|
}
|
|
|
|
addr_high = (tp->dev->dev_addr[0] +
|
|
tp->dev->dev_addr[1] +
|
|
tp->dev->dev_addr[2] +
|
|
tp->dev->dev_addr[3] +
|
|
tp->dev->dev_addr[4] +
|
|
tp->dev->dev_addr[5]) &
|
|
TX_BACKOFF_SEED_MASK;
|
|
tw32(MAC_TX_BACKOFF_SEED, addr_high);
|
|
}
|
|
|
|
static void tg3_enable_register_access(struct tg3 *tp)
|
|
{
|
|
/*
|
|
* Make sure register accesses (indirect or otherwise) will function
|
|
* correctly.
|
|
*/
|
|
pci_write_config_dword(tp->pdev,
|
|
TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl);
|
|
}
|
|
|
|
static int tg3_power_up(struct tg3 *tp)
|
|
{
|
|
int err;
|
|
|
|
tg3_enable_register_access(tp);
|
|
|
|
err = pci_set_power_state(tp->pdev, PCI_D0);
|
|
if (!err) {
|
|
/* Switch out of Vaux if it is a NIC */
|
|
tg3_pwrsrc_switch_to_vmain(tp);
|
|
} else {
|
|
netdev_err(tp->dev, "Transition to D0 failed\n");
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_setup_phy(struct tg3 *, bool);
|
|
|
|
static int tg3_power_down_prepare(struct tg3 *tp)
|
|
{
|
|
u32 misc_host_ctrl;
|
|
bool device_should_wake, do_low_power;
|
|
|
|
tg3_enable_register_access(tp);
|
|
|
|
/* Restore the CLKREQ setting. */
|
|
if (tg3_flag(tp, CLKREQ_BUG))
|
|
pcie_capability_set_word(tp->pdev, PCI_EXP_LNKCTL,
|
|
PCI_EXP_LNKCTL_CLKREQ_EN);
|
|
|
|
misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
|
|
tw32(TG3PCI_MISC_HOST_CTRL,
|
|
misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
|
|
|
|
device_should_wake = device_may_wakeup(&tp->pdev->dev) &&
|
|
tg3_flag(tp, WOL_ENABLE);
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
do_low_power = false;
|
|
if ((tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
|
|
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising) = { 0, };
|
|
struct phy_device *phydev;
|
|
u32 phyid;
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
|
|
|
|
tp->link_config.speed = phydev->speed;
|
|
tp->link_config.duplex = phydev->duplex;
|
|
tp->link_config.autoneg = phydev->autoneg;
|
|
ethtool_convert_link_mode_to_legacy_u32(
|
|
&tp->link_config.advertising,
|
|
phydev->advertising);
|
|
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, advertising);
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT,
|
|
advertising);
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
|
|
advertising);
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
|
|
advertising);
|
|
|
|
if (tg3_flag(tp, ENABLE_ASF) || device_should_wake) {
|
|
if (tg3_flag(tp, WOL_SPEED_100MB)) {
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
|
|
advertising);
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
|
|
advertising);
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
|
|
advertising);
|
|
} else {
|
|
linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
|
|
advertising);
|
|
}
|
|
}
|
|
|
|
linkmode_copy(phydev->advertising, advertising);
|
|
phy_start_aneg(phydev);
|
|
|
|
phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
|
|
if (phyid != PHY_ID_BCMAC131) {
|
|
phyid &= PHY_BCM_OUI_MASK;
|
|
if (phyid == PHY_BCM_OUI_1 ||
|
|
phyid == PHY_BCM_OUI_2 ||
|
|
phyid == PHY_BCM_OUI_3)
|
|
do_low_power = true;
|
|
}
|
|
}
|
|
} else {
|
|
do_low_power = true;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER))
|
|
tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
|
|
tg3_setup_phy(tp, false);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
u32 val;
|
|
|
|
val = tr32(GRC_VCPU_EXT_CTRL);
|
|
tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
|
|
} else if (!tg3_flag(tp, ENABLE_ASF)) {
|
|
int i;
|
|
u32 val;
|
|
|
|
for (i = 0; i < 200; i++) {
|
|
tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
|
|
if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
|
|
break;
|
|
msleep(1);
|
|
}
|
|
}
|
|
if (tg3_flag(tp, WOL_CAP))
|
|
tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
|
|
WOL_DRV_STATE_SHUTDOWN |
|
|
WOL_DRV_WOL |
|
|
WOL_SET_MAGIC_PKT);
|
|
|
|
if (device_should_wake) {
|
|
u32 mac_mode;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
|
|
if (do_low_power &&
|
|
!(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
|
|
tg3_phy_auxctl_write(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_PWRCTL,
|
|
MII_TG3_AUXCTL_PCTL_WOL_EN |
|
|
MII_TG3_AUXCTL_PCTL_100TX_LPWR |
|
|
MII_TG3_AUXCTL_PCTL_CL_AB_TXDAC);
|
|
udelay(40);
|
|
}
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
|
|
mac_mode = MAC_MODE_PORT_MODE_GMII;
|
|
else if (tp->phy_flags &
|
|
TG3_PHYFLG_KEEP_LINK_ON_PWRDN) {
|
|
if (tp->link_config.active_speed == SPEED_1000)
|
|
mac_mode = MAC_MODE_PORT_MODE_GMII;
|
|
else
|
|
mac_mode = MAC_MODE_PORT_MODE_MII;
|
|
} else
|
|
mac_mode = MAC_MODE_PORT_MODE_MII;
|
|
|
|
mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700) {
|
|
u32 speed = tg3_flag(tp, WOL_SPEED_100MB) ?
|
|
SPEED_100 : SPEED_10;
|
|
if (tg3_5700_link_polarity(tp, speed))
|
|
mac_mode |= MAC_MODE_LINK_POLARITY;
|
|
else
|
|
mac_mode &= ~MAC_MODE_LINK_POLARITY;
|
|
}
|
|
} else {
|
|
mac_mode = MAC_MODE_PORT_MODE_TBI;
|
|
}
|
|
|
|
if (!tg3_flag(tp, 5750_PLUS))
|
|
tw32(MAC_LED_CTRL, tp->led_ctrl);
|
|
|
|
mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
|
|
if ((tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS)) &&
|
|
(tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE)))
|
|
mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
|
|
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
mac_mode |= MAC_MODE_APE_TX_EN |
|
|
MAC_MODE_APE_RX_EN |
|
|
MAC_MODE_TDE_ENABLE;
|
|
|
|
tw32_f(MAC_MODE, mac_mode);
|
|
udelay(100);
|
|
|
|
tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
|
|
udelay(10);
|
|
}
|
|
|
|
if (!tg3_flag(tp, WOL_SPEED_100MB) &&
|
|
(tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701)) {
|
|
u32 base_val;
|
|
|
|
base_val = tp->pci_clock_ctrl;
|
|
base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
|
|
CLOCK_CTRL_TXCLK_DISABLE);
|
|
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
|
|
CLOCK_CTRL_PWRDOWN_PLL133, 40);
|
|
} else if (tg3_flag(tp, 5780_CLASS) ||
|
|
tg3_flag(tp, CPMU_PRESENT) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
/* do nothing */
|
|
} else if (!(tg3_flag(tp, 5750_PLUS) && tg3_flag(tp, ENABLE_ASF))) {
|
|
u32 newbits1, newbits2;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
|
|
CLOCK_CTRL_TXCLK_DISABLE |
|
|
CLOCK_CTRL_ALTCLK);
|
|
newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
|
|
} else if (tg3_flag(tp, 5705_PLUS)) {
|
|
newbits1 = CLOCK_CTRL_625_CORE;
|
|
newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
|
|
} else {
|
|
newbits1 = CLOCK_CTRL_ALTCLK;
|
|
newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
|
|
}
|
|
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
|
|
40);
|
|
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
|
|
40);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
u32 newbits3;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
|
|
CLOCK_CTRL_TXCLK_DISABLE |
|
|
CLOCK_CTRL_44MHZ_CORE);
|
|
} else {
|
|
newbits3 = CLOCK_CTRL_44MHZ_CORE;
|
|
}
|
|
|
|
tw32_wait_f(TG3PCI_CLOCK_CTRL,
|
|
tp->pci_clock_ctrl | newbits3, 40);
|
|
}
|
|
}
|
|
|
|
if (!(device_should_wake) && !tg3_flag(tp, ENABLE_ASF))
|
|
tg3_power_down_phy(tp, do_low_power);
|
|
|
|
tg3_frob_aux_power(tp, true);
|
|
|
|
/* Workaround for unstable PLL clock */
|
|
if ((!tg3_flag(tp, IS_SSB_CORE)) &&
|
|
((tg3_chip_rev(tp) == CHIPREV_5750_AX) ||
|
|
(tg3_chip_rev(tp) == CHIPREV_5750_BX))) {
|
|
u32 val = tr32(0x7d00);
|
|
|
|
val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
|
|
tw32(0x7d00, val);
|
|
if (!tg3_flag(tp, ENABLE_ASF)) {
|
|
int err;
|
|
|
|
err = tg3_nvram_lock(tp);
|
|
tg3_halt_cpu(tp, RX_CPU_BASE);
|
|
if (!err)
|
|
tg3_nvram_unlock(tp);
|
|
}
|
|
}
|
|
|
|
tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
|
|
|
|
tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_power_down(struct tg3 *tp)
|
|
{
|
|
pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE));
|
|
pci_set_power_state(tp->pdev, PCI_D3hot);
|
|
}
|
|
|
|
static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex)
|
|
{
|
|
switch (val & MII_TG3_AUX_STAT_SPDMASK) {
|
|
case MII_TG3_AUX_STAT_10HALF:
|
|
*speed = SPEED_10;
|
|
*duplex = DUPLEX_HALF;
|
|
break;
|
|
|
|
case MII_TG3_AUX_STAT_10FULL:
|
|
*speed = SPEED_10;
|
|
*duplex = DUPLEX_FULL;
|
|
break;
|
|
|
|
case MII_TG3_AUX_STAT_100HALF:
|
|
*speed = SPEED_100;
|
|
*duplex = DUPLEX_HALF;
|
|
break;
|
|
|
|
case MII_TG3_AUX_STAT_100FULL:
|
|
*speed = SPEED_100;
|
|
*duplex = DUPLEX_FULL;
|
|
break;
|
|
|
|
case MII_TG3_AUX_STAT_1000HALF:
|
|
*speed = SPEED_1000;
|
|
*duplex = DUPLEX_HALF;
|
|
break;
|
|
|
|
case MII_TG3_AUX_STAT_1000FULL:
|
|
*speed = SPEED_1000;
|
|
*duplex = DUPLEX_FULL;
|
|
break;
|
|
|
|
default:
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
*speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
|
|
SPEED_10;
|
|
*duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
|
|
DUPLEX_HALF;
|
|
break;
|
|
}
|
|
*speed = SPEED_UNKNOWN;
|
|
*duplex = DUPLEX_UNKNOWN;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
|
|
{
|
|
int err = 0;
|
|
u32 val, new_adv;
|
|
|
|
new_adv = ADVERTISE_CSMA;
|
|
new_adv |= ethtool_adv_to_mii_adv_t(advertise) & ADVERTISE_ALL;
|
|
new_adv |= mii_advertise_flowctrl(flowctrl);
|
|
|
|
err = tg3_writephy(tp, MII_ADVERTISE, new_adv);
|
|
if (err)
|
|
goto done;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
new_adv = ethtool_adv_to_mii_ctrl1000_t(advertise);
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0)
|
|
new_adv |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
|
|
|
|
err = tg3_writephy(tp, MII_CTRL1000, new_adv);
|
|
if (err)
|
|
goto done;
|
|
}
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
|
|
goto done;
|
|
|
|
tw32(TG3_CPMU_EEE_MODE,
|
|
tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
|
|
|
|
err = tg3_phy_toggle_auxctl_smdsp(tp, true);
|
|
if (!err) {
|
|
u32 err2;
|
|
|
|
val = 0;
|
|
/* Advertise 100-BaseTX EEE ability */
|
|
if (advertise & ADVERTISED_100baseT_Full)
|
|
val |= MDIO_AN_EEE_ADV_100TX;
|
|
/* Advertise 1000-BaseT EEE ability */
|
|
if (advertise & ADVERTISED_1000baseT_Full)
|
|
val |= MDIO_AN_EEE_ADV_1000T;
|
|
|
|
if (!tp->eee.eee_enabled) {
|
|
val = 0;
|
|
tp->eee.advertised = 0;
|
|
} else {
|
|
tp->eee.advertised = advertise &
|
|
(ADVERTISED_100baseT_Full |
|
|
ADVERTISED_1000baseT_Full);
|
|
}
|
|
|
|
err = tg3_phy_cl45_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
|
|
if (err)
|
|
val = 0;
|
|
|
|
switch (tg3_asic_rev(tp)) {
|
|
case ASIC_REV_5717:
|
|
case ASIC_REV_57765:
|
|
case ASIC_REV_57766:
|
|
case ASIC_REV_5719:
|
|
/* If we advertised any eee advertisements above... */
|
|
if (val)
|
|
val = MII_TG3_DSP_TAP26_ALNOKO |
|
|
MII_TG3_DSP_TAP26_RMRXSTO |
|
|
MII_TG3_DSP_TAP26_OPCSINPT;
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
|
|
fallthrough;
|
|
case ASIC_REV_5720:
|
|
case ASIC_REV_5762:
|
|
if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val))
|
|
tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2, val |
|
|
MII_TG3_DSP_CH34TP2_HIBW01);
|
|
}
|
|
|
|
err2 = tg3_phy_toggle_auxctl_smdsp(tp, false);
|
|
if (!err)
|
|
err = err2;
|
|
}
|
|
|
|
done:
|
|
return err;
|
|
}
|
|
|
|
static void tg3_phy_copper_begin(struct tg3 *tp)
|
|
{
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE ||
|
|
(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
|
|
u32 adv, fc;
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) {
|
|
adv = ADVERTISED_10baseT_Half |
|
|
ADVERTISED_10baseT_Full;
|
|
if (tg3_flag(tp, WOL_SPEED_100MB))
|
|
adv |= ADVERTISED_100baseT_Half |
|
|
ADVERTISED_100baseT_Full;
|
|
if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) {
|
|
if (!(tp->phy_flags &
|
|
TG3_PHYFLG_DISABLE_1G_HD_ADV))
|
|
adv |= ADVERTISED_1000baseT_Half;
|
|
adv |= ADVERTISED_1000baseT_Full;
|
|
}
|
|
|
|
fc = FLOW_CTRL_TX | FLOW_CTRL_RX;
|
|
} else {
|
|
adv = tp->link_config.advertising;
|
|
if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
|
|
adv &= ~(ADVERTISED_1000baseT_Half |
|
|
ADVERTISED_1000baseT_Full);
|
|
|
|
fc = tp->link_config.flowctrl;
|
|
}
|
|
|
|
tg3_phy_autoneg_cfg(tp, adv, fc);
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) &&
|
|
(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) {
|
|
/* Normally during power down we want to autonegotiate
|
|
* the lowest possible speed for WOL. However, to avoid
|
|
* link flap, we leave it untouched.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
tg3_writephy(tp, MII_BMCR,
|
|
BMCR_ANENABLE | BMCR_ANRESTART);
|
|
} else {
|
|
int i;
|
|
u32 bmcr, orig_bmcr;
|
|
|
|
tp->link_config.active_speed = tp->link_config.speed;
|
|
tp->link_config.active_duplex = tp->link_config.duplex;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
/* With autoneg disabled, 5715 only links up when the
|
|
* advertisement register has the configured speed
|
|
* enabled.
|
|
*/
|
|
tg3_writephy(tp, MII_ADVERTISE, ADVERTISE_ALL);
|
|
}
|
|
|
|
bmcr = 0;
|
|
switch (tp->link_config.speed) {
|
|
default:
|
|
case SPEED_10:
|
|
break;
|
|
|
|
case SPEED_100:
|
|
bmcr |= BMCR_SPEED100;
|
|
break;
|
|
|
|
case SPEED_1000:
|
|
bmcr |= BMCR_SPEED1000;
|
|
break;
|
|
}
|
|
|
|
if (tp->link_config.duplex == DUPLEX_FULL)
|
|
bmcr |= BMCR_FULLDPLX;
|
|
|
|
if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
|
|
(bmcr != orig_bmcr)) {
|
|
tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
|
|
for (i = 0; i < 1500; i++) {
|
|
u32 tmp;
|
|
|
|
udelay(10);
|
|
if (tg3_readphy(tp, MII_BMSR, &tmp) ||
|
|
tg3_readphy(tp, MII_BMSR, &tmp))
|
|
continue;
|
|
if (!(tmp & BMSR_LSTATUS)) {
|
|
udelay(40);
|
|
break;
|
|
}
|
|
}
|
|
tg3_writephy(tp, MII_BMCR, bmcr);
|
|
udelay(40);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int tg3_phy_pull_config(struct tg3 *tp)
|
|
{
|
|
int err;
|
|
u32 val;
|
|
|
|
err = tg3_readphy(tp, MII_BMCR, &val);
|
|
if (err)
|
|
goto done;
|
|
|
|
if (!(val & BMCR_ANENABLE)) {
|
|
tp->link_config.autoneg = AUTONEG_DISABLE;
|
|
tp->link_config.advertising = 0;
|
|
tg3_flag_clear(tp, PAUSE_AUTONEG);
|
|
|
|
err = -EIO;
|
|
|
|
switch (val & (BMCR_SPEED1000 | BMCR_SPEED100)) {
|
|
case 0:
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
|
|
goto done;
|
|
|
|
tp->link_config.speed = SPEED_10;
|
|
break;
|
|
case BMCR_SPEED100:
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
|
|
goto done;
|
|
|
|
tp->link_config.speed = SPEED_100;
|
|
break;
|
|
case BMCR_SPEED1000:
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
tp->link_config.speed = SPEED_1000;
|
|
break;
|
|
}
|
|
fallthrough;
|
|
default:
|
|
goto done;
|
|
}
|
|
|
|
if (val & BMCR_FULLDPLX)
|
|
tp->link_config.duplex = DUPLEX_FULL;
|
|
else
|
|
tp->link_config.duplex = DUPLEX_HALF;
|
|
|
|
tp->link_config.flowctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
|
|
|
|
err = 0;
|
|
goto done;
|
|
}
|
|
|
|
tp->link_config.autoneg = AUTONEG_ENABLE;
|
|
tp->link_config.advertising = ADVERTISED_Autoneg;
|
|
tg3_flag_set(tp, PAUSE_AUTONEG);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
|
|
u32 adv;
|
|
|
|
err = tg3_readphy(tp, MII_ADVERTISE, &val);
|
|
if (err)
|
|
goto done;
|
|
|
|
adv = mii_adv_to_ethtool_adv_t(val & ADVERTISE_ALL);
|
|
tp->link_config.advertising |= adv | ADVERTISED_TP;
|
|
|
|
tp->link_config.flowctrl = tg3_decode_flowctrl_1000T(val);
|
|
} else {
|
|
tp->link_config.advertising |= ADVERTISED_FIBRE;
|
|
}
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
u32 adv;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
|
|
err = tg3_readphy(tp, MII_CTRL1000, &val);
|
|
if (err)
|
|
goto done;
|
|
|
|
adv = mii_ctrl1000_to_ethtool_adv_t(val);
|
|
} else {
|
|
err = tg3_readphy(tp, MII_ADVERTISE, &val);
|
|
if (err)
|
|
goto done;
|
|
|
|
adv = tg3_decode_flowctrl_1000X(val);
|
|
tp->link_config.flowctrl = adv;
|
|
|
|
val &= (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL);
|
|
adv = mii_adv_to_ethtool_adv_x(val);
|
|
}
|
|
|
|
tp->link_config.advertising |= adv;
|
|
}
|
|
|
|
done:
|
|
return err;
|
|
}
|
|
|
|
static int tg3_init_5401phy_dsp(struct tg3 *tp)
|
|
{
|
|
int err;
|
|
|
|
/* Turn off tap power management. */
|
|
/* Set Extended packet length bit */
|
|
err = tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20);
|
|
|
|
err |= tg3_phydsp_write(tp, 0x0012, 0x1804);
|
|
err |= tg3_phydsp_write(tp, 0x0013, 0x1204);
|
|
err |= tg3_phydsp_write(tp, 0x8006, 0x0132);
|
|
err |= tg3_phydsp_write(tp, 0x8006, 0x0232);
|
|
err |= tg3_phydsp_write(tp, 0x201f, 0x0a20);
|
|
|
|
udelay(40);
|
|
|
|
return err;
|
|
}
|
|
|
|
static bool tg3_phy_eee_config_ok(struct tg3 *tp)
|
|
{
|
|
struct ethtool_eee eee;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
|
|
return true;
|
|
|
|
tg3_eee_pull_config(tp, &eee);
|
|
|
|
if (tp->eee.eee_enabled) {
|
|
if (tp->eee.advertised != eee.advertised ||
|
|
tp->eee.tx_lpi_timer != eee.tx_lpi_timer ||
|
|
tp->eee.tx_lpi_enabled != eee.tx_lpi_enabled)
|
|
return false;
|
|
} else {
|
|
/* EEE is disabled but we're advertising */
|
|
if (eee.advertised)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool tg3_phy_copper_an_config_ok(struct tg3 *tp, u32 *lcladv)
|
|
{
|
|
u32 advmsk, tgtadv, advertising;
|
|
|
|
advertising = tp->link_config.advertising;
|
|
tgtadv = ethtool_adv_to_mii_adv_t(advertising) & ADVERTISE_ALL;
|
|
|
|
advmsk = ADVERTISE_ALL;
|
|
if (tp->link_config.active_duplex == DUPLEX_FULL) {
|
|
tgtadv |= mii_advertise_flowctrl(tp->link_config.flowctrl);
|
|
advmsk |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
|
|
}
|
|
|
|
if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
|
|
return false;
|
|
|
|
if ((*lcladv & advmsk) != tgtadv)
|
|
return false;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
u32 tg3_ctrl;
|
|
|
|
tgtadv = ethtool_adv_to_mii_ctrl1000_t(advertising);
|
|
|
|
if (tg3_readphy(tp, MII_CTRL1000, &tg3_ctrl))
|
|
return false;
|
|
|
|
if (tgtadv &&
|
|
(tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0)) {
|
|
tgtadv |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
|
|
tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL |
|
|
CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
|
|
} else {
|
|
tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
|
|
}
|
|
|
|
if (tg3_ctrl != tgtadv)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool tg3_phy_copper_fetch_rmtadv(struct tg3 *tp, u32 *rmtadv)
|
|
{
|
|
u32 lpeth = 0;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
u32 val;
|
|
|
|
if (tg3_readphy(tp, MII_STAT1000, &val))
|
|
return false;
|
|
|
|
lpeth = mii_stat1000_to_ethtool_lpa_t(val);
|
|
}
|
|
|
|
if (tg3_readphy(tp, MII_LPA, rmtadv))
|
|
return false;
|
|
|
|
lpeth |= mii_lpa_to_ethtool_lpa_t(*rmtadv);
|
|
tp->link_config.rmt_adv = lpeth;
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool tg3_test_and_report_link_chg(struct tg3 *tp, bool curr_link_up)
|
|
{
|
|
if (curr_link_up != tp->link_up) {
|
|
if (curr_link_up) {
|
|
netif_carrier_on(tp->dev);
|
|
} else {
|
|
netif_carrier_off(tp->dev);
|
|
if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
}
|
|
|
|
tg3_link_report(tp);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void tg3_clear_mac_status(struct tg3 *tp)
|
|
{
|
|
tw32(MAC_EVENT, 0);
|
|
|
|
tw32_f(MAC_STATUS,
|
|
MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED |
|
|
MAC_STATUS_MI_COMPLETION |
|
|
MAC_STATUS_LNKSTATE_CHANGED);
|
|
udelay(40);
|
|
}
|
|
|
|
static void tg3_setup_eee(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
val = TG3_CPMU_EEE_LNKIDL_PCIE_NL0 |
|
|
TG3_CPMU_EEE_LNKIDL_UART_IDL;
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0)
|
|
val |= TG3_CPMU_EEE_LNKIDL_APE_TX_MT;
|
|
|
|
tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL, val);
|
|
|
|
tw32_f(TG3_CPMU_EEE_CTRL,
|
|
TG3_CPMU_EEE_CTRL_EXIT_20_1_US);
|
|
|
|
val = TG3_CPMU_EEEMD_ERLY_L1_XIT_DET |
|
|
(tp->eee.tx_lpi_enabled ? TG3_CPMU_EEEMD_LPI_IN_TX : 0) |
|
|
TG3_CPMU_EEEMD_LPI_IN_RX |
|
|
TG3_CPMU_EEEMD_EEE_ENABLE;
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5717)
|
|
val |= TG3_CPMU_EEEMD_SND_IDX_DET_EN;
|
|
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
val |= TG3_CPMU_EEEMD_APE_TX_DET_EN;
|
|
|
|
tw32_f(TG3_CPMU_EEE_MODE, tp->eee.eee_enabled ? val : 0);
|
|
|
|
tw32_f(TG3_CPMU_EEE_DBTMR1,
|
|
TG3_CPMU_DBTMR1_PCIEXIT_2047US |
|
|
(tp->eee.tx_lpi_timer & 0xffff));
|
|
|
|
tw32_f(TG3_CPMU_EEE_DBTMR2,
|
|
TG3_CPMU_DBTMR2_APE_TX_2047US |
|
|
TG3_CPMU_DBTMR2_TXIDXEQ_2047US);
|
|
}
|
|
|
|
static int tg3_setup_copper_phy(struct tg3 *tp, bool force_reset)
|
|
{
|
|
bool current_link_up;
|
|
u32 bmsr, val;
|
|
u32 lcl_adv, rmt_adv;
|
|
u32 current_speed;
|
|
u8 current_duplex;
|
|
int i, err;
|
|
|
|
tg3_clear_mac_status(tp);
|
|
|
|
if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
|
|
tw32_f(MAC_MI_MODE,
|
|
(tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
|
|
udelay(80);
|
|
}
|
|
|
|
tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, 0);
|
|
|
|
/* Some third-party PHYs need to be reset on link going
|
|
* down.
|
|
*/
|
|
if ((tg3_asic_rev(tp) == ASIC_REV_5703 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5704 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5705) &&
|
|
tp->link_up) {
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
|
|
!(bmsr & BMSR_LSTATUS))
|
|
force_reset = true;
|
|
}
|
|
if (force_reset)
|
|
tg3_phy_reset(tp);
|
|
|
|
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
|
|
!tg3_flag(tp, INIT_COMPLETE))
|
|
bmsr = 0;
|
|
|
|
if (!(bmsr & BMSR_LSTATUS)) {
|
|
err = tg3_init_5401phy_dsp(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
for (i = 0; i < 1000; i++) {
|
|
udelay(10);
|
|
if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
|
|
(bmsr & BMSR_LSTATUS)) {
|
|
udelay(40);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
|
|
TG3_PHY_REV_BCM5401_B0 &&
|
|
!(bmsr & BMSR_LSTATUS) &&
|
|
tp->link_config.active_speed == SPEED_1000) {
|
|
err = tg3_phy_reset(tp);
|
|
if (!err)
|
|
err = tg3_init_5401phy_dsp(tp);
|
|
if (err)
|
|
return err;
|
|
}
|
|
}
|
|
} else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0) {
|
|
/* 5701 {A0,B0} CRC bug workaround */
|
|
tg3_writephy(tp, 0x15, 0x0a75);
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
|
|
}
|
|
|
|
/* Clear pending interrupts... */
|
|
tg3_readphy(tp, MII_TG3_ISTAT, &val);
|
|
tg3_readphy(tp, MII_TG3_ISTAT, &val);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT)
|
|
tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
|
|
else if (!(tp->phy_flags & TG3_PHYFLG_IS_FET))
|
|
tg3_writephy(tp, MII_TG3_IMASK, ~0);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL,
|
|
MII_TG3_EXT_CTRL_LNK3_LED_MODE);
|
|
else
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
|
|
}
|
|
|
|
current_link_up = false;
|
|
current_speed = SPEED_UNKNOWN;
|
|
current_duplex = DUPLEX_UNKNOWN;
|
|
tp->phy_flags &= ~TG3_PHYFLG_MDIX_STATE;
|
|
tp->link_config.rmt_adv = 0;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) {
|
|
err = tg3_phy_auxctl_read(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_MISCTEST,
|
|
&val);
|
|
if (!err && !(val & (1 << 10))) {
|
|
tg3_phy_auxctl_write(tp,
|
|
MII_TG3_AUXCTL_SHDWSEL_MISCTEST,
|
|
val | (1 << 10));
|
|
goto relink;
|
|
}
|
|
}
|
|
|
|
bmsr = 0;
|
|
for (i = 0; i < 100; i++) {
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
|
|
(bmsr & BMSR_LSTATUS))
|
|
break;
|
|
udelay(40);
|
|
}
|
|
|
|
if (bmsr & BMSR_LSTATUS) {
|
|
u32 aux_stat, bmcr;
|
|
|
|
tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
|
|
for (i = 0; i < 2000; i++) {
|
|
udelay(10);
|
|
if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
|
|
aux_stat)
|
|
break;
|
|
}
|
|
|
|
tg3_aux_stat_to_speed_duplex(tp, aux_stat,
|
|
¤t_speed,
|
|
¤t_duplex);
|
|
|
|
bmcr = 0;
|
|
for (i = 0; i < 200; i++) {
|
|
tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
if (tg3_readphy(tp, MII_BMCR, &bmcr))
|
|
continue;
|
|
if (bmcr && bmcr != 0x7fff)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
|
|
lcl_adv = 0;
|
|
rmt_adv = 0;
|
|
|
|
tp->link_config.active_speed = current_speed;
|
|
tp->link_config.active_duplex = current_duplex;
|
|
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE) {
|
|
bool eee_config_ok = tg3_phy_eee_config_ok(tp);
|
|
|
|
if ((bmcr & BMCR_ANENABLE) &&
|
|
eee_config_ok &&
|
|
tg3_phy_copper_an_config_ok(tp, &lcl_adv) &&
|
|
tg3_phy_copper_fetch_rmtadv(tp, &rmt_adv))
|
|
current_link_up = true;
|
|
|
|
/* EEE settings changes take effect only after a phy
|
|
* reset. If we have skipped a reset due to Link Flap
|
|
* Avoidance being enabled, do it now.
|
|
*/
|
|
if (!eee_config_ok &&
|
|
(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
|
|
!force_reset) {
|
|
tg3_setup_eee(tp);
|
|
tg3_phy_reset(tp);
|
|
}
|
|
} else {
|
|
if (!(bmcr & BMCR_ANENABLE) &&
|
|
tp->link_config.speed == current_speed &&
|
|
tp->link_config.duplex == current_duplex) {
|
|
current_link_up = true;
|
|
}
|
|
}
|
|
|
|
if (current_link_up &&
|
|
tp->link_config.active_duplex == DUPLEX_FULL) {
|
|
u32 reg, bit;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
reg = MII_TG3_FET_GEN_STAT;
|
|
bit = MII_TG3_FET_GEN_STAT_MDIXSTAT;
|
|
} else {
|
|
reg = MII_TG3_EXT_STAT;
|
|
bit = MII_TG3_EXT_STAT_MDIX;
|
|
}
|
|
|
|
if (!tg3_readphy(tp, reg, &val) && (val & bit))
|
|
tp->phy_flags |= TG3_PHYFLG_MDIX_STATE;
|
|
|
|
tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
|
|
}
|
|
}
|
|
|
|
relink:
|
|
if (!current_link_up || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
|
|
tg3_phy_copper_begin(tp);
|
|
|
|
if (tg3_flag(tp, ROBOSWITCH)) {
|
|
current_link_up = true;
|
|
/* FIXME: when BCM5325 switch is used use 100 MBit/s */
|
|
current_speed = SPEED_1000;
|
|
current_duplex = DUPLEX_FULL;
|
|
tp->link_config.active_speed = current_speed;
|
|
tp->link_config.active_duplex = current_duplex;
|
|
}
|
|
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) ||
|
|
(tp->mac_mode & MAC_MODE_PORT_INT_LPBACK))
|
|
current_link_up = true;
|
|
}
|
|
|
|
tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
|
|
if (current_link_up) {
|
|
if (tp->link_config.active_speed == SPEED_100 ||
|
|
tp->link_config.active_speed == SPEED_10)
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
else
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
} else if (tp->phy_flags & TG3_PHYFLG_IS_FET)
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
else
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
|
|
/* In order for the 5750 core in BCM4785 chip to work properly
|
|
* in RGMII mode, the Led Control Register must be set up.
|
|
*/
|
|
if (tg3_flag(tp, RGMII_MODE)) {
|
|
u32 led_ctrl = tr32(MAC_LED_CTRL);
|
|
led_ctrl &= ~(LED_CTRL_1000MBPS_ON | LED_CTRL_100MBPS_ON);
|
|
|
|
if (tp->link_config.active_speed == SPEED_10)
|
|
led_ctrl |= LED_CTRL_LNKLED_OVERRIDE;
|
|
else if (tp->link_config.active_speed == SPEED_100)
|
|
led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_100MBPS_ON);
|
|
else if (tp->link_config.active_speed == SPEED_1000)
|
|
led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_1000MBPS_ON);
|
|
|
|
tw32(MAC_LED_CTRL, led_ctrl);
|
|
udelay(40);
|
|
}
|
|
|
|
tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
|
|
if (tp->link_config.active_duplex == DUPLEX_HALF)
|
|
tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700) {
|
|
if (current_link_up &&
|
|
tg3_5700_link_polarity(tp, tp->link_config.active_speed))
|
|
tp->mac_mode |= MAC_MODE_LINK_POLARITY;
|
|
else
|
|
tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
|
|
}
|
|
|
|
/* ??? Without this setting Netgear GA302T PHY does not
|
|
* ??? send/receive packets...
|
|
*/
|
|
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5700_ALTIMA) {
|
|
tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
|
|
tw32_f(MAC_MI_MODE, tp->mi_mode);
|
|
udelay(80);
|
|
}
|
|
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
tg3_phy_eee_adjust(tp, current_link_up);
|
|
|
|
if (tg3_flag(tp, USE_LINKCHG_REG)) {
|
|
/* Polled via timer. */
|
|
tw32_f(MAC_EVENT, 0);
|
|
} else {
|
|
tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
|
|
}
|
|
udelay(40);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 &&
|
|
current_link_up &&
|
|
tp->link_config.active_speed == SPEED_1000 &&
|
|
(tg3_flag(tp, PCIX_MODE) || tg3_flag(tp, PCI_HIGH_SPEED))) {
|
|
udelay(120);
|
|
tw32_f(MAC_STATUS,
|
|
(MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED));
|
|
udelay(40);
|
|
tg3_write_mem(tp,
|
|
NIC_SRAM_FIRMWARE_MBOX,
|
|
NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
|
|
}
|
|
|
|
/* Prevent send BD corruption. */
|
|
if (tg3_flag(tp, CLKREQ_BUG)) {
|
|
if (tp->link_config.active_speed == SPEED_100 ||
|
|
tp->link_config.active_speed == SPEED_10)
|
|
pcie_capability_clear_word(tp->pdev, PCI_EXP_LNKCTL,
|
|
PCI_EXP_LNKCTL_CLKREQ_EN);
|
|
else
|
|
pcie_capability_set_word(tp->pdev, PCI_EXP_LNKCTL,
|
|
PCI_EXP_LNKCTL_CLKREQ_EN);
|
|
}
|
|
|
|
tg3_test_and_report_link_chg(tp, current_link_up);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct tg3_fiber_aneginfo {
|
|
int state;
|
|
#define ANEG_STATE_UNKNOWN 0
|
|
#define ANEG_STATE_AN_ENABLE 1
|
|
#define ANEG_STATE_RESTART_INIT 2
|
|
#define ANEG_STATE_RESTART 3
|
|
#define ANEG_STATE_DISABLE_LINK_OK 4
|
|
#define ANEG_STATE_ABILITY_DETECT_INIT 5
|
|
#define ANEG_STATE_ABILITY_DETECT 6
|
|
#define ANEG_STATE_ACK_DETECT_INIT 7
|
|
#define ANEG_STATE_ACK_DETECT 8
|
|
#define ANEG_STATE_COMPLETE_ACK_INIT 9
|
|
#define ANEG_STATE_COMPLETE_ACK 10
|
|
#define ANEG_STATE_IDLE_DETECT_INIT 11
|
|
#define ANEG_STATE_IDLE_DETECT 12
|
|
#define ANEG_STATE_LINK_OK 13
|
|
#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
|
|
#define ANEG_STATE_NEXT_PAGE_WAIT 15
|
|
|
|
u32 flags;
|
|
#define MR_AN_ENABLE 0x00000001
|
|
#define MR_RESTART_AN 0x00000002
|
|
#define MR_AN_COMPLETE 0x00000004
|
|
#define MR_PAGE_RX 0x00000008
|
|
#define MR_NP_LOADED 0x00000010
|
|
#define MR_TOGGLE_TX 0x00000020
|
|
#define MR_LP_ADV_FULL_DUPLEX 0x00000040
|
|
#define MR_LP_ADV_HALF_DUPLEX 0x00000080
|
|
#define MR_LP_ADV_SYM_PAUSE 0x00000100
|
|
#define MR_LP_ADV_ASYM_PAUSE 0x00000200
|
|
#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
|
|
#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
|
|
#define MR_LP_ADV_NEXT_PAGE 0x00001000
|
|
#define MR_TOGGLE_RX 0x00002000
|
|
#define MR_NP_RX 0x00004000
|
|
|
|
#define MR_LINK_OK 0x80000000
|
|
|
|
unsigned long link_time, cur_time;
|
|
|
|
u32 ability_match_cfg;
|
|
int ability_match_count;
|
|
|
|
char ability_match, idle_match, ack_match;
|
|
|
|
u32 txconfig, rxconfig;
|
|
#define ANEG_CFG_NP 0x00000080
|
|
#define ANEG_CFG_ACK 0x00000040
|
|
#define ANEG_CFG_RF2 0x00000020
|
|
#define ANEG_CFG_RF1 0x00000010
|
|
#define ANEG_CFG_PS2 0x00000001
|
|
#define ANEG_CFG_PS1 0x00008000
|
|
#define ANEG_CFG_HD 0x00004000
|
|
#define ANEG_CFG_FD 0x00002000
|
|
#define ANEG_CFG_INVAL 0x00001f06
|
|
|
|
};
|
|
#define ANEG_OK 0
|
|
#define ANEG_DONE 1
|
|
#define ANEG_TIMER_ENAB 2
|
|
#define ANEG_FAILED -1
|
|
|
|
#define ANEG_STATE_SETTLE_TIME 10000
|
|
|
|
static int tg3_fiber_aneg_smachine(struct tg3 *tp,
|
|
struct tg3_fiber_aneginfo *ap)
|
|
{
|
|
u16 flowctrl;
|
|
unsigned long delta;
|
|
u32 rx_cfg_reg;
|
|
int ret;
|
|
|
|
if (ap->state == ANEG_STATE_UNKNOWN) {
|
|
ap->rxconfig = 0;
|
|
ap->link_time = 0;
|
|
ap->cur_time = 0;
|
|
ap->ability_match_cfg = 0;
|
|
ap->ability_match_count = 0;
|
|
ap->ability_match = 0;
|
|
ap->idle_match = 0;
|
|
ap->ack_match = 0;
|
|
}
|
|
ap->cur_time++;
|
|
|
|
if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
|
|
rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
|
|
|
|
if (rx_cfg_reg != ap->ability_match_cfg) {
|
|
ap->ability_match_cfg = rx_cfg_reg;
|
|
ap->ability_match = 0;
|
|
ap->ability_match_count = 0;
|
|
} else {
|
|
if (++ap->ability_match_count > 1) {
|
|
ap->ability_match = 1;
|
|
ap->ability_match_cfg = rx_cfg_reg;
|
|
}
|
|
}
|
|
if (rx_cfg_reg & ANEG_CFG_ACK)
|
|
ap->ack_match = 1;
|
|
else
|
|
ap->ack_match = 0;
|
|
|
|
ap->idle_match = 0;
|
|
} else {
|
|
ap->idle_match = 1;
|
|
ap->ability_match_cfg = 0;
|
|
ap->ability_match_count = 0;
|
|
ap->ability_match = 0;
|
|
ap->ack_match = 0;
|
|
|
|
rx_cfg_reg = 0;
|
|
}
|
|
|
|
ap->rxconfig = rx_cfg_reg;
|
|
ret = ANEG_OK;
|
|
|
|
switch (ap->state) {
|
|
case ANEG_STATE_UNKNOWN:
|
|
if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
|
|
ap->state = ANEG_STATE_AN_ENABLE;
|
|
|
|
fallthrough;
|
|
case ANEG_STATE_AN_ENABLE:
|
|
ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
|
|
if (ap->flags & MR_AN_ENABLE) {
|
|
ap->link_time = 0;
|
|
ap->cur_time = 0;
|
|
ap->ability_match_cfg = 0;
|
|
ap->ability_match_count = 0;
|
|
ap->ability_match = 0;
|
|
ap->idle_match = 0;
|
|
ap->ack_match = 0;
|
|
|
|
ap->state = ANEG_STATE_RESTART_INIT;
|
|
} else {
|
|
ap->state = ANEG_STATE_DISABLE_LINK_OK;
|
|
}
|
|
break;
|
|
|
|
case ANEG_STATE_RESTART_INIT:
|
|
ap->link_time = ap->cur_time;
|
|
ap->flags &= ~(MR_NP_LOADED);
|
|
ap->txconfig = 0;
|
|
tw32(MAC_TX_AUTO_NEG, 0);
|
|
tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
ret = ANEG_TIMER_ENAB;
|
|
ap->state = ANEG_STATE_RESTART;
|
|
|
|
fallthrough;
|
|
case ANEG_STATE_RESTART:
|
|
delta = ap->cur_time - ap->link_time;
|
|
if (delta > ANEG_STATE_SETTLE_TIME)
|
|
ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
|
|
else
|
|
ret = ANEG_TIMER_ENAB;
|
|
break;
|
|
|
|
case ANEG_STATE_DISABLE_LINK_OK:
|
|
ret = ANEG_DONE;
|
|
break;
|
|
|
|
case ANEG_STATE_ABILITY_DETECT_INIT:
|
|
ap->flags &= ~(MR_TOGGLE_TX);
|
|
ap->txconfig = ANEG_CFG_FD;
|
|
flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
|
|
if (flowctrl & ADVERTISE_1000XPAUSE)
|
|
ap->txconfig |= ANEG_CFG_PS1;
|
|
if (flowctrl & ADVERTISE_1000XPSE_ASYM)
|
|
ap->txconfig |= ANEG_CFG_PS2;
|
|
tw32(MAC_TX_AUTO_NEG, ap->txconfig);
|
|
tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
ap->state = ANEG_STATE_ABILITY_DETECT;
|
|
break;
|
|
|
|
case ANEG_STATE_ABILITY_DETECT:
|
|
if (ap->ability_match != 0 && ap->rxconfig != 0)
|
|
ap->state = ANEG_STATE_ACK_DETECT_INIT;
|
|
break;
|
|
|
|
case ANEG_STATE_ACK_DETECT_INIT:
|
|
ap->txconfig |= ANEG_CFG_ACK;
|
|
tw32(MAC_TX_AUTO_NEG, ap->txconfig);
|
|
tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
ap->state = ANEG_STATE_ACK_DETECT;
|
|
|
|
fallthrough;
|
|
case ANEG_STATE_ACK_DETECT:
|
|
if (ap->ack_match != 0) {
|
|
if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
|
|
(ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
|
|
ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
|
|
} else {
|
|
ap->state = ANEG_STATE_AN_ENABLE;
|
|
}
|
|
} else if (ap->ability_match != 0 &&
|
|
ap->rxconfig == 0) {
|
|
ap->state = ANEG_STATE_AN_ENABLE;
|
|
}
|
|
break;
|
|
|
|
case ANEG_STATE_COMPLETE_ACK_INIT:
|
|
if (ap->rxconfig & ANEG_CFG_INVAL) {
|
|
ret = ANEG_FAILED;
|
|
break;
|
|
}
|
|
ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
|
|
MR_LP_ADV_HALF_DUPLEX |
|
|
MR_LP_ADV_SYM_PAUSE |
|
|
MR_LP_ADV_ASYM_PAUSE |
|
|
MR_LP_ADV_REMOTE_FAULT1 |
|
|
MR_LP_ADV_REMOTE_FAULT2 |
|
|
MR_LP_ADV_NEXT_PAGE |
|
|
MR_TOGGLE_RX |
|
|
MR_NP_RX);
|
|
if (ap->rxconfig & ANEG_CFG_FD)
|
|
ap->flags |= MR_LP_ADV_FULL_DUPLEX;
|
|
if (ap->rxconfig & ANEG_CFG_HD)
|
|
ap->flags |= MR_LP_ADV_HALF_DUPLEX;
|
|
if (ap->rxconfig & ANEG_CFG_PS1)
|
|
ap->flags |= MR_LP_ADV_SYM_PAUSE;
|
|
if (ap->rxconfig & ANEG_CFG_PS2)
|
|
ap->flags |= MR_LP_ADV_ASYM_PAUSE;
|
|
if (ap->rxconfig & ANEG_CFG_RF1)
|
|
ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
|
|
if (ap->rxconfig & ANEG_CFG_RF2)
|
|
ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
|
|
if (ap->rxconfig & ANEG_CFG_NP)
|
|
ap->flags |= MR_LP_ADV_NEXT_PAGE;
|
|
|
|
ap->link_time = ap->cur_time;
|
|
|
|
ap->flags ^= (MR_TOGGLE_TX);
|
|
if (ap->rxconfig & 0x0008)
|
|
ap->flags |= MR_TOGGLE_RX;
|
|
if (ap->rxconfig & ANEG_CFG_NP)
|
|
ap->flags |= MR_NP_RX;
|
|
ap->flags |= MR_PAGE_RX;
|
|
|
|
ap->state = ANEG_STATE_COMPLETE_ACK;
|
|
ret = ANEG_TIMER_ENAB;
|
|
break;
|
|
|
|
case ANEG_STATE_COMPLETE_ACK:
|
|
if (ap->ability_match != 0 &&
|
|
ap->rxconfig == 0) {
|
|
ap->state = ANEG_STATE_AN_ENABLE;
|
|
break;
|
|
}
|
|
delta = ap->cur_time - ap->link_time;
|
|
if (delta > ANEG_STATE_SETTLE_TIME) {
|
|
if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
|
|
ap->state = ANEG_STATE_IDLE_DETECT_INIT;
|
|
} else {
|
|
if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
|
|
!(ap->flags & MR_NP_RX)) {
|
|
ap->state = ANEG_STATE_IDLE_DETECT_INIT;
|
|
} else {
|
|
ret = ANEG_FAILED;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ANEG_STATE_IDLE_DETECT_INIT:
|
|
ap->link_time = ap->cur_time;
|
|
tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
ap->state = ANEG_STATE_IDLE_DETECT;
|
|
ret = ANEG_TIMER_ENAB;
|
|
break;
|
|
|
|
case ANEG_STATE_IDLE_DETECT:
|
|
if (ap->ability_match != 0 &&
|
|
ap->rxconfig == 0) {
|
|
ap->state = ANEG_STATE_AN_ENABLE;
|
|
break;
|
|
}
|
|
delta = ap->cur_time - ap->link_time;
|
|
if (delta > ANEG_STATE_SETTLE_TIME) {
|
|
/* XXX another gem from the Broadcom driver :( */
|
|
ap->state = ANEG_STATE_LINK_OK;
|
|
}
|
|
break;
|
|
|
|
case ANEG_STATE_LINK_OK:
|
|
ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
|
|
ret = ANEG_DONE;
|
|
break;
|
|
|
|
case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
|
|
/* ??? unimplemented */
|
|
break;
|
|
|
|
case ANEG_STATE_NEXT_PAGE_WAIT:
|
|
/* ??? unimplemented */
|
|
break;
|
|
|
|
default:
|
|
ret = ANEG_FAILED;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
|
|
{
|
|
int res = 0;
|
|
struct tg3_fiber_aneginfo aninfo;
|
|
int status = ANEG_FAILED;
|
|
unsigned int tick;
|
|
u32 tmp;
|
|
|
|
tw32_f(MAC_TX_AUTO_NEG, 0);
|
|
|
|
tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
|
|
tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
|
|
udelay(40);
|
|
|
|
tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
|
|
udelay(40);
|
|
|
|
memset(&aninfo, 0, sizeof(aninfo));
|
|
aninfo.flags |= MR_AN_ENABLE;
|
|
aninfo.state = ANEG_STATE_UNKNOWN;
|
|
aninfo.cur_time = 0;
|
|
tick = 0;
|
|
while (++tick < 195000) {
|
|
status = tg3_fiber_aneg_smachine(tp, &aninfo);
|
|
if (status == ANEG_DONE || status == ANEG_FAILED)
|
|
break;
|
|
|
|
udelay(1);
|
|
}
|
|
|
|
tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
*txflags = aninfo.txconfig;
|
|
*rxflags = aninfo.flags;
|
|
|
|
if (status == ANEG_DONE &&
|
|
(aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
|
|
MR_LP_ADV_FULL_DUPLEX)))
|
|
res = 1;
|
|
|
|
return res;
|
|
}
|
|
|
|
static void tg3_init_bcm8002(struct tg3 *tp)
|
|
{
|
|
u32 mac_status = tr32(MAC_STATUS);
|
|
int i;
|
|
|
|
/* Reset when initting first time or we have a link. */
|
|
if (tg3_flag(tp, INIT_COMPLETE) &&
|
|
!(mac_status & MAC_STATUS_PCS_SYNCED))
|
|
return;
|
|
|
|
/* Set PLL lock range. */
|
|
tg3_writephy(tp, 0x16, 0x8007);
|
|
|
|
/* SW reset */
|
|
tg3_writephy(tp, MII_BMCR, BMCR_RESET);
|
|
|
|
/* Wait for reset to complete. */
|
|
/* XXX schedule_timeout() ... */
|
|
for (i = 0; i < 500; i++)
|
|
udelay(10);
|
|
|
|
/* Config mode; select PMA/Ch 1 regs. */
|
|
tg3_writephy(tp, 0x10, 0x8411);
|
|
|
|
/* Enable auto-lock and comdet, select txclk for tx. */
|
|
tg3_writephy(tp, 0x11, 0x0a10);
|
|
|
|
tg3_writephy(tp, 0x18, 0x00a0);
|
|
tg3_writephy(tp, 0x16, 0x41ff);
|
|
|
|
/* Assert and deassert POR. */
|
|
tg3_writephy(tp, 0x13, 0x0400);
|
|
udelay(40);
|
|
tg3_writephy(tp, 0x13, 0x0000);
|
|
|
|
tg3_writephy(tp, 0x11, 0x0a50);
|
|
udelay(40);
|
|
tg3_writephy(tp, 0x11, 0x0a10);
|
|
|
|
/* Wait for signal to stabilize */
|
|
/* XXX schedule_timeout() ... */
|
|
for (i = 0; i < 15000; i++)
|
|
udelay(10);
|
|
|
|
/* Deselect the channel register so we can read the PHYID
|
|
* later.
|
|
*/
|
|
tg3_writephy(tp, 0x10, 0x8011);
|
|
}
|
|
|
|
static bool tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
|
|
{
|
|
u16 flowctrl;
|
|
bool current_link_up;
|
|
u32 sg_dig_ctrl, sg_dig_status;
|
|
u32 serdes_cfg, expected_sg_dig_ctrl;
|
|
int workaround, port_a;
|
|
|
|
serdes_cfg = 0;
|
|
workaround = 0;
|
|
port_a = 1;
|
|
current_link_up = false;
|
|
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A0 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A1) {
|
|
workaround = 1;
|
|
if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
|
|
port_a = 0;
|
|
|
|
/* preserve bits 0-11,13,14 for signal pre-emphasis */
|
|
/* preserve bits 20-23 for voltage regulator */
|
|
serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
|
|
}
|
|
|
|
sg_dig_ctrl = tr32(SG_DIG_CTRL);
|
|
|
|
if (tp->link_config.autoneg != AUTONEG_ENABLE) {
|
|
if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
|
|
if (workaround) {
|
|
u32 val = serdes_cfg;
|
|
|
|
if (port_a)
|
|
val |= 0xc010000;
|
|
else
|
|
val |= 0x4010000;
|
|
tw32_f(MAC_SERDES_CFG, val);
|
|
}
|
|
|
|
tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
|
|
}
|
|
if (mac_status & MAC_STATUS_PCS_SYNCED) {
|
|
tg3_setup_flow_control(tp, 0, 0);
|
|
current_link_up = true;
|
|
}
|
|
goto out;
|
|
}
|
|
|
|
/* Want auto-negotiation. */
|
|
expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
|
|
|
|
flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
|
|
if (flowctrl & ADVERTISE_1000XPAUSE)
|
|
expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
|
|
if (flowctrl & ADVERTISE_1000XPSE_ASYM)
|
|
expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
|
|
|
|
if (sg_dig_ctrl != expected_sg_dig_ctrl) {
|
|
if ((tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT) &&
|
|
tp->serdes_counter &&
|
|
((mac_status & (MAC_STATUS_PCS_SYNCED |
|
|
MAC_STATUS_RCVD_CFG)) ==
|
|
MAC_STATUS_PCS_SYNCED)) {
|
|
tp->serdes_counter--;
|
|
current_link_up = true;
|
|
goto out;
|
|
}
|
|
restart_autoneg:
|
|
if (workaround)
|
|
tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
|
|
tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
|
|
udelay(5);
|
|
tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
|
|
|
|
tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
} else if (mac_status & (MAC_STATUS_PCS_SYNCED |
|
|
MAC_STATUS_SIGNAL_DET)) {
|
|
sg_dig_status = tr32(SG_DIG_STATUS);
|
|
mac_status = tr32(MAC_STATUS);
|
|
|
|
if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
|
|
(mac_status & MAC_STATUS_PCS_SYNCED)) {
|
|
u32 local_adv = 0, remote_adv = 0;
|
|
|
|
if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
|
|
local_adv |= ADVERTISE_1000XPAUSE;
|
|
if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
|
|
local_adv |= ADVERTISE_1000XPSE_ASYM;
|
|
|
|
if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
|
|
remote_adv |= LPA_1000XPAUSE;
|
|
if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
|
|
remote_adv |= LPA_1000XPAUSE_ASYM;
|
|
|
|
tp->link_config.rmt_adv =
|
|
mii_adv_to_ethtool_adv_x(remote_adv);
|
|
|
|
tg3_setup_flow_control(tp, local_adv, remote_adv);
|
|
current_link_up = true;
|
|
tp->serdes_counter = 0;
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
} else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
|
|
if (tp->serdes_counter)
|
|
tp->serdes_counter--;
|
|
else {
|
|
if (workaround) {
|
|
u32 val = serdes_cfg;
|
|
|
|
if (port_a)
|
|
val |= 0xc010000;
|
|
else
|
|
val |= 0x4010000;
|
|
|
|
tw32_f(MAC_SERDES_CFG, val);
|
|
}
|
|
|
|
tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
|
|
udelay(40);
|
|
|
|
/* Link parallel detection - link is up */
|
|
/* only if we have PCS_SYNC and not */
|
|
/* receiving config code words */
|
|
mac_status = tr32(MAC_STATUS);
|
|
if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
|
|
!(mac_status & MAC_STATUS_RCVD_CFG)) {
|
|
tg3_setup_flow_control(tp, 0, 0);
|
|
current_link_up = true;
|
|
tp->phy_flags |=
|
|
TG3_PHYFLG_PARALLEL_DETECT;
|
|
tp->serdes_counter =
|
|
SERDES_PARALLEL_DET_TIMEOUT;
|
|
} else
|
|
goto restart_autoneg;
|
|
}
|
|
}
|
|
} else {
|
|
tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
}
|
|
|
|
out:
|
|
return current_link_up;
|
|
}
|
|
|
|
static bool tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
|
|
{
|
|
bool current_link_up = false;
|
|
|
|
if (!(mac_status & MAC_STATUS_PCS_SYNCED))
|
|
goto out;
|
|
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE) {
|
|
u32 txflags, rxflags;
|
|
int i;
|
|
|
|
if (fiber_autoneg(tp, &txflags, &rxflags)) {
|
|
u32 local_adv = 0, remote_adv = 0;
|
|
|
|
if (txflags & ANEG_CFG_PS1)
|
|
local_adv |= ADVERTISE_1000XPAUSE;
|
|
if (txflags & ANEG_CFG_PS2)
|
|
local_adv |= ADVERTISE_1000XPSE_ASYM;
|
|
|
|
if (rxflags & MR_LP_ADV_SYM_PAUSE)
|
|
remote_adv |= LPA_1000XPAUSE;
|
|
if (rxflags & MR_LP_ADV_ASYM_PAUSE)
|
|
remote_adv |= LPA_1000XPAUSE_ASYM;
|
|
|
|
tp->link_config.rmt_adv =
|
|
mii_adv_to_ethtool_adv_x(remote_adv);
|
|
|
|
tg3_setup_flow_control(tp, local_adv, remote_adv);
|
|
|
|
current_link_up = true;
|
|
}
|
|
for (i = 0; i < 30; i++) {
|
|
udelay(20);
|
|
tw32_f(MAC_STATUS,
|
|
(MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED));
|
|
udelay(40);
|
|
if ((tr32(MAC_STATUS) &
|
|
(MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED)) == 0)
|
|
break;
|
|
}
|
|
|
|
mac_status = tr32(MAC_STATUS);
|
|
if (!current_link_up &&
|
|
(mac_status & MAC_STATUS_PCS_SYNCED) &&
|
|
!(mac_status & MAC_STATUS_RCVD_CFG))
|
|
current_link_up = true;
|
|
} else {
|
|
tg3_setup_flow_control(tp, 0, 0);
|
|
|
|
/* Forcing 1000FD link up. */
|
|
current_link_up = true;
|
|
|
|
tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
|
|
udelay(40);
|
|
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
}
|
|
|
|
out:
|
|
return current_link_up;
|
|
}
|
|
|
|
static int tg3_setup_fiber_phy(struct tg3 *tp, bool force_reset)
|
|
{
|
|
u32 orig_pause_cfg;
|
|
u32 orig_active_speed;
|
|
u8 orig_active_duplex;
|
|
u32 mac_status;
|
|
bool current_link_up;
|
|
int i;
|
|
|
|
orig_pause_cfg = tp->link_config.active_flowctrl;
|
|
orig_active_speed = tp->link_config.active_speed;
|
|
orig_active_duplex = tp->link_config.active_duplex;
|
|
|
|
if (!tg3_flag(tp, HW_AUTONEG) &&
|
|
tp->link_up &&
|
|
tg3_flag(tp, INIT_COMPLETE)) {
|
|
mac_status = tr32(MAC_STATUS);
|
|
mac_status &= (MAC_STATUS_PCS_SYNCED |
|
|
MAC_STATUS_SIGNAL_DET |
|
|
MAC_STATUS_CFG_CHANGED |
|
|
MAC_STATUS_RCVD_CFG);
|
|
if (mac_status == (MAC_STATUS_PCS_SYNCED |
|
|
MAC_STATUS_SIGNAL_DET)) {
|
|
tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
tw32_f(MAC_TX_AUTO_NEG, 0);
|
|
|
|
tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
if (tp->phy_id == TG3_PHY_ID_BCM8002)
|
|
tg3_init_bcm8002(tp);
|
|
|
|
/* Enable link change event even when serdes polling. */
|
|
tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
|
|
udelay(40);
|
|
|
|
tp->link_config.rmt_adv = 0;
|
|
mac_status = tr32(MAC_STATUS);
|
|
|
|
if (tg3_flag(tp, HW_AUTONEG))
|
|
current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
|
|
else
|
|
current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
|
|
|
|
tp->napi[0].hw_status->status =
|
|
(SD_STATUS_UPDATED |
|
|
(tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED));
|
|
udelay(5);
|
|
if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED |
|
|
MAC_STATUS_LNKSTATE_CHANGED)) == 0)
|
|
break;
|
|
}
|
|
|
|
mac_status = tr32(MAC_STATUS);
|
|
if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
|
|
current_link_up = false;
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE &&
|
|
tp->serdes_counter == 0) {
|
|
tw32_f(MAC_MODE, (tp->mac_mode |
|
|
MAC_MODE_SEND_CONFIGS));
|
|
udelay(1);
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
}
|
|
}
|
|
|
|
if (current_link_up) {
|
|
tp->link_config.active_speed = SPEED_1000;
|
|
tp->link_config.active_duplex = DUPLEX_FULL;
|
|
tw32(MAC_LED_CTRL, (tp->led_ctrl |
|
|
LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_1000MBPS_ON));
|
|
} else {
|
|
tp->link_config.active_speed = SPEED_UNKNOWN;
|
|
tp->link_config.active_duplex = DUPLEX_UNKNOWN;
|
|
tw32(MAC_LED_CTRL, (tp->led_ctrl |
|
|
LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_TRAFFIC_OVERRIDE));
|
|
}
|
|
|
|
if (!tg3_test_and_report_link_chg(tp, current_link_up)) {
|
|
u32 now_pause_cfg = tp->link_config.active_flowctrl;
|
|
if (orig_pause_cfg != now_pause_cfg ||
|
|
orig_active_speed != tp->link_config.active_speed ||
|
|
orig_active_duplex != tp->link_config.active_duplex)
|
|
tg3_link_report(tp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset)
|
|
{
|
|
int err = 0;
|
|
u32 bmsr, bmcr;
|
|
u32 current_speed = SPEED_UNKNOWN;
|
|
u8 current_duplex = DUPLEX_UNKNOWN;
|
|
bool current_link_up = false;
|
|
u32 local_adv, remote_adv, sgsr;
|
|
|
|
if ((tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720) &&
|
|
!tg3_readphy(tp, SERDES_TG3_1000X_STATUS, &sgsr) &&
|
|
(sgsr & SERDES_TG3_SGMII_MODE)) {
|
|
|
|
if (force_reset)
|
|
tg3_phy_reset(tp);
|
|
|
|
tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
|
|
|
|
if (!(sgsr & SERDES_TG3_LINK_UP)) {
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
} else {
|
|
current_link_up = true;
|
|
if (sgsr & SERDES_TG3_SPEED_1000) {
|
|
current_speed = SPEED_1000;
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
} else if (sgsr & SERDES_TG3_SPEED_100) {
|
|
current_speed = SPEED_100;
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
} else {
|
|
current_speed = SPEED_10;
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
}
|
|
|
|
if (sgsr & SERDES_TG3_FULL_DUPLEX)
|
|
current_duplex = DUPLEX_FULL;
|
|
else
|
|
current_duplex = DUPLEX_HALF;
|
|
}
|
|
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
tg3_clear_mac_status(tp);
|
|
|
|
goto fiber_setup_done;
|
|
}
|
|
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
tg3_clear_mac_status(tp);
|
|
|
|
if (force_reset)
|
|
tg3_phy_reset(tp);
|
|
|
|
tp->link_config.rmt_adv = 0;
|
|
|
|
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
|
|
bmsr |= BMSR_LSTATUS;
|
|
else
|
|
bmsr &= ~BMSR_LSTATUS;
|
|
}
|
|
|
|
err |= tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
|
|
if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
|
|
(tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
|
|
/* do nothing, just check for link up at the end */
|
|
} else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
|
|
u32 adv, newadv;
|
|
|
|
err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
|
|
newadv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
|
|
ADVERTISE_1000XPAUSE |
|
|
ADVERTISE_1000XPSE_ASYM |
|
|
ADVERTISE_SLCT);
|
|
|
|
newadv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
|
|
newadv |= ethtool_adv_to_mii_adv_x(tp->link_config.advertising);
|
|
|
|
if ((newadv != adv) || !(bmcr & BMCR_ANENABLE)) {
|
|
tg3_writephy(tp, MII_ADVERTISE, newadv);
|
|
bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
|
|
tg3_writephy(tp, MII_BMCR, bmcr);
|
|
|
|
tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
|
|
tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
|
|
return err;
|
|
}
|
|
} else {
|
|
u32 new_bmcr;
|
|
|
|
bmcr &= ~BMCR_SPEED1000;
|
|
new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
|
|
|
|
if (tp->link_config.duplex == DUPLEX_FULL)
|
|
new_bmcr |= BMCR_FULLDPLX;
|
|
|
|
if (new_bmcr != bmcr) {
|
|
/* BMCR_SPEED1000 is a reserved bit that needs
|
|
* to be set on write.
|
|
*/
|
|
new_bmcr |= BMCR_SPEED1000;
|
|
|
|
/* Force a linkdown */
|
|
if (tp->link_up) {
|
|
u32 adv;
|
|
|
|
err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
|
|
adv &= ~(ADVERTISE_1000XFULL |
|
|
ADVERTISE_1000XHALF |
|
|
ADVERTISE_SLCT);
|
|
tg3_writephy(tp, MII_ADVERTISE, adv);
|
|
tg3_writephy(tp, MII_BMCR, bmcr |
|
|
BMCR_ANRESTART |
|
|
BMCR_ANENABLE);
|
|
udelay(10);
|
|
tg3_carrier_off(tp);
|
|
}
|
|
tg3_writephy(tp, MII_BMCR, new_bmcr);
|
|
bmcr = new_bmcr;
|
|
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
|
|
bmsr |= BMSR_LSTATUS;
|
|
else
|
|
bmsr &= ~BMSR_LSTATUS;
|
|
}
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
}
|
|
}
|
|
|
|
if (bmsr & BMSR_LSTATUS) {
|
|
current_speed = SPEED_1000;
|
|
current_link_up = true;
|
|
if (bmcr & BMCR_FULLDPLX)
|
|
current_duplex = DUPLEX_FULL;
|
|
else
|
|
current_duplex = DUPLEX_HALF;
|
|
|
|
local_adv = 0;
|
|
remote_adv = 0;
|
|
|
|
if (bmcr & BMCR_ANENABLE) {
|
|
u32 common;
|
|
|
|
err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
|
|
err |= tg3_readphy(tp, MII_LPA, &remote_adv);
|
|
common = local_adv & remote_adv;
|
|
if (common & (ADVERTISE_1000XHALF |
|
|
ADVERTISE_1000XFULL)) {
|
|
if (common & ADVERTISE_1000XFULL)
|
|
current_duplex = DUPLEX_FULL;
|
|
else
|
|
current_duplex = DUPLEX_HALF;
|
|
|
|
tp->link_config.rmt_adv =
|
|
mii_adv_to_ethtool_adv_x(remote_adv);
|
|
} else if (!tg3_flag(tp, 5780_CLASS)) {
|
|
/* Link is up via parallel detect */
|
|
} else {
|
|
current_link_up = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
fiber_setup_done:
|
|
if (current_link_up && current_duplex == DUPLEX_FULL)
|
|
tg3_setup_flow_control(tp, local_adv, remote_adv);
|
|
|
|
tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
|
|
if (tp->link_config.active_duplex == DUPLEX_HALF)
|
|
tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
|
|
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
|
|
|
|
tp->link_config.active_speed = current_speed;
|
|
tp->link_config.active_duplex = current_duplex;
|
|
|
|
tg3_test_and_report_link_chg(tp, current_link_up);
|
|
return err;
|
|
}
|
|
|
|
static void tg3_serdes_parallel_detect(struct tg3 *tp)
|
|
{
|
|
if (tp->serdes_counter) {
|
|
/* Give autoneg time to complete. */
|
|
tp->serdes_counter--;
|
|
return;
|
|
}
|
|
|
|
if (!tp->link_up &&
|
|
(tp->link_config.autoneg == AUTONEG_ENABLE)) {
|
|
u32 bmcr;
|
|
|
|
tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
if (bmcr & BMCR_ANENABLE) {
|
|
u32 phy1, phy2;
|
|
|
|
/* Select shadow register 0x1f */
|
|
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x7c00);
|
|
tg3_readphy(tp, MII_TG3_MISC_SHDW, &phy1);
|
|
|
|
/* Select expansion interrupt status register */
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
|
|
MII_TG3_DSP_EXP1_INT_STAT);
|
|
tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
|
|
tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
|
|
|
|
if ((phy1 & 0x10) && !(phy2 & 0x20)) {
|
|
/* We have signal detect and not receiving
|
|
* config code words, link is up by parallel
|
|
* detection.
|
|
*/
|
|
|
|
bmcr &= ~BMCR_ANENABLE;
|
|
bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
|
|
tg3_writephy(tp, MII_BMCR, bmcr);
|
|
tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT;
|
|
}
|
|
}
|
|
} else if (tp->link_up &&
|
|
(tp->link_config.autoneg == AUTONEG_ENABLE) &&
|
|
(tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
|
|
u32 phy2;
|
|
|
|
/* Select expansion interrupt status register */
|
|
tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
|
|
MII_TG3_DSP_EXP1_INT_STAT);
|
|
tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
|
|
if (phy2 & 0x20) {
|
|
u32 bmcr;
|
|
|
|
/* Config code words received, turn on autoneg. */
|
|
tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
|
|
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
static int tg3_setup_phy(struct tg3 *tp, bool force_reset)
|
|
{
|
|
u32 val;
|
|
int err;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
|
|
err = tg3_setup_fiber_phy(tp, force_reset);
|
|
else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
|
|
err = tg3_setup_fiber_mii_phy(tp, force_reset);
|
|
else
|
|
err = tg3_setup_copper_phy(tp, force_reset);
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5784_AX) {
|
|
u32 scale;
|
|
|
|
val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
|
|
if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
|
|
scale = 65;
|
|
else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
|
|
scale = 6;
|
|
else
|
|
scale = 12;
|
|
|
|
val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
|
|
val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
|
|
tw32(GRC_MISC_CFG, val);
|
|
}
|
|
|
|
val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
|
|
(6 << TX_LENGTHS_IPG_SHIFT);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
val |= tr32(MAC_TX_LENGTHS) &
|
|
(TX_LENGTHS_JMB_FRM_LEN_MSK |
|
|
TX_LENGTHS_CNT_DWN_VAL_MSK);
|
|
|
|
if (tp->link_config.active_speed == SPEED_1000 &&
|
|
tp->link_config.active_duplex == DUPLEX_HALF)
|
|
tw32(MAC_TX_LENGTHS, val |
|
|
(0xff << TX_LENGTHS_SLOT_TIME_SHIFT));
|
|
else
|
|
tw32(MAC_TX_LENGTHS, val |
|
|
(32 << TX_LENGTHS_SLOT_TIME_SHIFT));
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
if (tp->link_up) {
|
|
tw32(HOSTCC_STAT_COAL_TICKS,
|
|
tp->coal.stats_block_coalesce_usecs);
|
|
} else {
|
|
tw32(HOSTCC_STAT_COAL_TICKS, 0);
|
|
}
|
|
}
|
|
|
|
if (tg3_flag(tp, ASPM_WORKAROUND)) {
|
|
val = tr32(PCIE_PWR_MGMT_THRESH);
|
|
if (!tp->link_up)
|
|
val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
|
|
tp->pwrmgmt_thresh;
|
|
else
|
|
val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
|
|
tw32(PCIE_PWR_MGMT_THRESH, val);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
/* tp->lock must be held */
|
|
static u64 tg3_refclk_read(struct tg3 *tp, struct ptp_system_timestamp *sts)
|
|
{
|
|
u64 stamp;
|
|
|
|
ptp_read_system_prets(sts);
|
|
stamp = tr32(TG3_EAV_REF_CLCK_LSB);
|
|
ptp_read_system_postts(sts);
|
|
stamp |= (u64)tr32(TG3_EAV_REF_CLCK_MSB) << 32;
|
|
|
|
return stamp;
|
|
}
|
|
|
|
/* tp->lock must be held */
|
|
static void tg3_refclk_write(struct tg3 *tp, u64 newval)
|
|
{
|
|
u32 clock_ctl = tr32(TG3_EAV_REF_CLCK_CTL);
|
|
|
|
tw32(TG3_EAV_REF_CLCK_CTL, clock_ctl | TG3_EAV_REF_CLCK_CTL_STOP);
|
|
tw32(TG3_EAV_REF_CLCK_LSB, newval & 0xffffffff);
|
|
tw32(TG3_EAV_REF_CLCK_MSB, newval >> 32);
|
|
tw32_f(TG3_EAV_REF_CLCK_CTL, clock_ctl | TG3_EAV_REF_CLCK_CTL_RESUME);
|
|
}
|
|
|
|
static inline void tg3_full_lock(struct tg3 *tp, int irq_sync);
|
|
static inline void tg3_full_unlock(struct tg3 *tp);
|
|
static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
|
|
SOF_TIMESTAMPING_RX_SOFTWARE |
|
|
SOF_TIMESTAMPING_SOFTWARE;
|
|
|
|
if (tg3_flag(tp, PTP_CAPABLE)) {
|
|
info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
|
}
|
|
|
|
if (tp->ptp_clock)
|
|
info->phc_index = ptp_clock_index(tp->ptp_clock);
|
|
else
|
|
info->phc_index = -1;
|
|
|
|
info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
|
|
|
|
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
|
|
(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
|
|
{
|
|
struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
|
|
bool neg_adj = false;
|
|
u32 correction = 0;
|
|
|
|
if (ppb < 0) {
|
|
neg_adj = true;
|
|
ppb = -ppb;
|
|
}
|
|
|
|
/* Frequency adjustment is performed using hardware with a 24 bit
|
|
* accumulator and a programmable correction value. On each clk, the
|
|
* correction value gets added to the accumulator and when it
|
|
* overflows, the time counter is incremented/decremented.
|
|
*
|
|
* So conversion from ppb to correction value is
|
|
* ppb * (1 << 24) / 1000000000
|
|
*/
|
|
correction = div_u64((u64)ppb * (1 << 24), 1000000000ULL) &
|
|
TG3_EAV_REF_CLK_CORRECT_MASK;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
if (correction)
|
|
tw32(TG3_EAV_REF_CLK_CORRECT_CTL,
|
|
TG3_EAV_REF_CLK_CORRECT_EN |
|
|
(neg_adj ? TG3_EAV_REF_CLK_CORRECT_NEG : 0) | correction);
|
|
else
|
|
tw32(TG3_EAV_REF_CLK_CORRECT_CTL, 0);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
|
|
{
|
|
struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
tp->ptp_adjust += delta;
|
|
tg3_full_unlock(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_ptp_gettimex(struct ptp_clock_info *ptp, struct timespec64 *ts,
|
|
struct ptp_system_timestamp *sts)
|
|
{
|
|
u64 ns;
|
|
struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
ns = tg3_refclk_read(tp, sts);
|
|
ns += tp->ptp_adjust;
|
|
tg3_full_unlock(tp);
|
|
|
|
*ts = ns_to_timespec64(ns);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_ptp_settime(struct ptp_clock_info *ptp,
|
|
const struct timespec64 *ts)
|
|
{
|
|
u64 ns;
|
|
struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
|
|
|
|
ns = timespec64_to_ns(ts);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
tg3_refclk_write(tp, ns);
|
|
tp->ptp_adjust = 0;
|
|
tg3_full_unlock(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_ptp_enable(struct ptp_clock_info *ptp,
|
|
struct ptp_clock_request *rq, int on)
|
|
{
|
|
struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
|
|
u32 clock_ctl;
|
|
int rval = 0;
|
|
|
|
switch (rq->type) {
|
|
case PTP_CLK_REQ_PEROUT:
|
|
/* Reject requests with unsupported flags */
|
|
if (rq->perout.flags)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (rq->perout.index != 0)
|
|
return -EINVAL;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
clock_ctl = tr32(TG3_EAV_REF_CLCK_CTL);
|
|
clock_ctl &= ~TG3_EAV_CTL_TSYNC_GPIO_MASK;
|
|
|
|
if (on) {
|
|
u64 nsec;
|
|
|
|
nsec = rq->perout.start.sec * 1000000000ULL +
|
|
rq->perout.start.nsec;
|
|
|
|
if (rq->perout.period.sec || rq->perout.period.nsec) {
|
|
netdev_warn(tp->dev,
|
|
"Device supports only a one-shot timesync output, period must be 0\n");
|
|
rval = -EINVAL;
|
|
goto err_out;
|
|
}
|
|
|
|
if (nsec & (1ULL << 63)) {
|
|
netdev_warn(tp->dev,
|
|
"Start value (nsec) is over limit. Maximum size of start is only 63 bits\n");
|
|
rval = -EINVAL;
|
|
goto err_out;
|
|
}
|
|
|
|
tw32(TG3_EAV_WATCHDOG0_LSB, (nsec & 0xffffffff));
|
|
tw32(TG3_EAV_WATCHDOG0_MSB,
|
|
TG3_EAV_WATCHDOG0_EN |
|
|
((nsec >> 32) & TG3_EAV_WATCHDOG_MSB_MASK));
|
|
|
|
tw32(TG3_EAV_REF_CLCK_CTL,
|
|
clock_ctl | TG3_EAV_CTL_TSYNC_WDOG0);
|
|
} else {
|
|
tw32(TG3_EAV_WATCHDOG0_MSB, 0);
|
|
tw32(TG3_EAV_REF_CLCK_CTL, clock_ctl);
|
|
}
|
|
|
|
err_out:
|
|
tg3_full_unlock(tp);
|
|
return rval;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static const struct ptp_clock_info tg3_ptp_caps = {
|
|
.owner = THIS_MODULE,
|
|
.name = "tg3 clock",
|
|
.max_adj = 250000000,
|
|
.n_alarm = 0,
|
|
.n_ext_ts = 0,
|
|
.n_per_out = 1,
|
|
.n_pins = 0,
|
|
.pps = 0,
|
|
.adjfreq = tg3_ptp_adjfreq,
|
|
.adjtime = tg3_ptp_adjtime,
|
|
.gettimex64 = tg3_ptp_gettimex,
|
|
.settime64 = tg3_ptp_settime,
|
|
.enable = tg3_ptp_enable,
|
|
};
|
|
|
|
static void tg3_hwclock_to_timestamp(struct tg3 *tp, u64 hwclock,
|
|
struct skb_shared_hwtstamps *timestamp)
|
|
{
|
|
memset(timestamp, 0, sizeof(struct skb_shared_hwtstamps));
|
|
timestamp->hwtstamp = ns_to_ktime((hwclock & TG3_TSTAMP_MASK) +
|
|
tp->ptp_adjust);
|
|
}
|
|
|
|
/* tp->lock must be held */
|
|
static void tg3_ptp_init(struct tg3 *tp)
|
|
{
|
|
if (!tg3_flag(tp, PTP_CAPABLE))
|
|
return;
|
|
|
|
/* Initialize the hardware clock to the system time. */
|
|
tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()));
|
|
tp->ptp_adjust = 0;
|
|
tp->ptp_info = tg3_ptp_caps;
|
|
}
|
|
|
|
/* tp->lock must be held */
|
|
static void tg3_ptp_resume(struct tg3 *tp)
|
|
{
|
|
if (!tg3_flag(tp, PTP_CAPABLE))
|
|
return;
|
|
|
|
tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()) + tp->ptp_adjust);
|
|
tp->ptp_adjust = 0;
|
|
}
|
|
|
|
static void tg3_ptp_fini(struct tg3 *tp)
|
|
{
|
|
if (!tg3_flag(tp, PTP_CAPABLE) || !tp->ptp_clock)
|
|
return;
|
|
|
|
ptp_clock_unregister(tp->ptp_clock);
|
|
tp->ptp_clock = NULL;
|
|
tp->ptp_adjust = 0;
|
|
}
|
|
|
|
static inline int tg3_irq_sync(struct tg3 *tp)
|
|
{
|
|
return tp->irq_sync;
|
|
}
|
|
|
|
static inline void tg3_rd32_loop(struct tg3 *tp, u32 *dst, u32 off, u32 len)
|
|
{
|
|
int i;
|
|
|
|
dst = (u32 *)((u8 *)dst + off);
|
|
for (i = 0; i < len; i += sizeof(u32))
|
|
*dst++ = tr32(off + i);
|
|
}
|
|
|
|
static void tg3_dump_legacy_regs(struct tg3 *tp, u32 *regs)
|
|
{
|
|
tg3_rd32_loop(tp, regs, TG3PCI_VENDOR, 0xb0);
|
|
tg3_rd32_loop(tp, regs, MAILBOX_INTERRUPT_0, 0x200);
|
|
tg3_rd32_loop(tp, regs, MAC_MODE, 0x4f0);
|
|
tg3_rd32_loop(tp, regs, SNDDATAI_MODE, 0xe0);
|
|
tg3_rd32_loop(tp, regs, SNDDATAC_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, SNDBDS_MODE, 0x80);
|
|
tg3_rd32_loop(tp, regs, SNDBDI_MODE, 0x48);
|
|
tg3_rd32_loop(tp, regs, SNDBDC_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, RCVLPC_MODE, 0x20);
|
|
tg3_rd32_loop(tp, regs, RCVLPC_SELLST_BASE, 0x15c);
|
|
tg3_rd32_loop(tp, regs, RCVDBDI_MODE, 0x0c);
|
|
tg3_rd32_loop(tp, regs, RCVDBDI_JUMBO_BD, 0x3c);
|
|
tg3_rd32_loop(tp, regs, RCVDBDI_BD_PROD_IDX_0, 0x44);
|
|
tg3_rd32_loop(tp, regs, RCVDCC_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, RCVBDI_MODE, 0x20);
|
|
tg3_rd32_loop(tp, regs, RCVCC_MODE, 0x14);
|
|
tg3_rd32_loop(tp, regs, RCVLSC_MODE, 0x08);
|
|
tg3_rd32_loop(tp, regs, MBFREE_MODE, 0x08);
|
|
tg3_rd32_loop(tp, regs, HOSTCC_MODE, 0x100);
|
|
|
|
if (tg3_flag(tp, SUPPORT_MSIX))
|
|
tg3_rd32_loop(tp, regs, HOSTCC_RXCOL_TICKS_VEC1, 0x180);
|
|
|
|
tg3_rd32_loop(tp, regs, MEMARB_MODE, 0x10);
|
|
tg3_rd32_loop(tp, regs, BUFMGR_MODE, 0x58);
|
|
tg3_rd32_loop(tp, regs, RDMAC_MODE, 0x08);
|
|
tg3_rd32_loop(tp, regs, WDMAC_MODE, 0x08);
|
|
tg3_rd32_loop(tp, regs, RX_CPU_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, RX_CPU_STATE, 0x04);
|
|
tg3_rd32_loop(tp, regs, RX_CPU_PGMCTR, 0x04);
|
|
tg3_rd32_loop(tp, regs, RX_CPU_HWBKPT, 0x04);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
tg3_rd32_loop(tp, regs, TX_CPU_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, TX_CPU_STATE, 0x04);
|
|
tg3_rd32_loop(tp, regs, TX_CPU_PGMCTR, 0x04);
|
|
}
|
|
|
|
tg3_rd32_loop(tp, regs, GRCMBOX_INTERRUPT_0, 0x110);
|
|
tg3_rd32_loop(tp, regs, FTQ_RESET, 0x120);
|
|
tg3_rd32_loop(tp, regs, MSGINT_MODE, 0x0c);
|
|
tg3_rd32_loop(tp, regs, DMAC_MODE, 0x04);
|
|
tg3_rd32_loop(tp, regs, GRC_MODE, 0x4c);
|
|
|
|
if (tg3_flag(tp, NVRAM))
|
|
tg3_rd32_loop(tp, regs, NVRAM_CMD, 0x24);
|
|
}
|
|
|
|
static void tg3_dump_state(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 *regs;
|
|
|
|
regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC);
|
|
if (!regs)
|
|
return;
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
/* Read up to but not including private PCI registers */
|
|
for (i = 0; i < TG3_PCIE_TLDLPL_PORT; i += sizeof(u32))
|
|
regs[i / sizeof(u32)] = tr32(i);
|
|
} else
|
|
tg3_dump_legacy_regs(tp, regs);
|
|
|
|
for (i = 0; i < TG3_REG_BLK_SIZE / sizeof(u32); i += 4) {
|
|
if (!regs[i + 0] && !regs[i + 1] &&
|
|
!regs[i + 2] && !regs[i + 3])
|
|
continue;
|
|
|
|
netdev_err(tp->dev, "0x%08x: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
|
|
i * 4,
|
|
regs[i + 0], regs[i + 1], regs[i + 2], regs[i + 3]);
|
|
}
|
|
|
|
kfree(regs);
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
/* SW status block */
|
|
netdev_err(tp->dev,
|
|
"%d: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
|
|
i,
|
|
tnapi->hw_status->status,
|
|
tnapi->hw_status->status_tag,
|
|
tnapi->hw_status->rx_jumbo_consumer,
|
|
tnapi->hw_status->rx_consumer,
|
|
tnapi->hw_status->rx_mini_consumer,
|
|
tnapi->hw_status->idx[0].rx_producer,
|
|
tnapi->hw_status->idx[0].tx_consumer);
|
|
|
|
netdev_err(tp->dev,
|
|
"%d: NAPI info [%08x:%08x:(%04x:%04x:%04x):%04x:(%04x:%04x:%04x:%04x)]\n",
|
|
i,
|
|
tnapi->last_tag, tnapi->last_irq_tag,
|
|
tnapi->tx_prod, tnapi->tx_cons, tnapi->tx_pending,
|
|
tnapi->rx_rcb_ptr,
|
|
tnapi->prodring.rx_std_prod_idx,
|
|
tnapi->prodring.rx_std_cons_idx,
|
|
tnapi->prodring.rx_jmb_prod_idx,
|
|
tnapi->prodring.rx_jmb_cons_idx);
|
|
}
|
|
}
|
|
|
|
/* This is called whenever we suspect that the system chipset is re-
|
|
* ordering the sequence of MMIO to the tx send mailbox. The symptom
|
|
* is bogus tx completions. We try to recover by setting the
|
|
* TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
|
|
* in the workqueue.
|
|
*/
|
|
static void tg3_tx_recover(struct tg3 *tp)
|
|
{
|
|
BUG_ON(tg3_flag(tp, MBOX_WRITE_REORDER) ||
|
|
tp->write32_tx_mbox == tg3_write_indirect_mbox);
|
|
|
|
netdev_warn(tp->dev,
|
|
"The system may be re-ordering memory-mapped I/O "
|
|
"cycles to the network device, attempting to recover. "
|
|
"Please report the problem to the driver maintainer "
|
|
"and include system chipset information.\n");
|
|
|
|
tg3_flag_set(tp, TX_RECOVERY_PENDING);
|
|
}
|
|
|
|
static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
|
|
{
|
|
/* Tell compiler to fetch tx indices from memory. */
|
|
barrier();
|
|
return tnapi->tx_pending -
|
|
((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
|
|
}
|
|
|
|
/* Tigon3 never reports partial packet sends. So we do not
|
|
* need special logic to handle SKBs that have not had all
|
|
* of their frags sent yet, like SunGEM does.
|
|
*/
|
|
static void tg3_tx(struct tg3_napi *tnapi)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
|
|
u32 sw_idx = tnapi->tx_cons;
|
|
struct netdev_queue *txq;
|
|
int index = tnapi - tp->napi;
|
|
unsigned int pkts_compl = 0, bytes_compl = 0;
|
|
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
index--;
|
|
|
|
txq = netdev_get_tx_queue(tp->dev, index);
|
|
|
|
while (sw_idx != hw_idx) {
|
|
struct tg3_tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
|
|
struct sk_buff *skb = ri->skb;
|
|
int i, tx_bug = 0;
|
|
|
|
if (unlikely(skb == NULL)) {
|
|
tg3_tx_recover(tp);
|
|
return;
|
|
}
|
|
|
|
if (tnapi->tx_ring[sw_idx].len_flags & TXD_FLAG_HWTSTAMP) {
|
|
struct skb_shared_hwtstamps timestamp;
|
|
u64 hwclock = tr32(TG3_TX_TSTAMP_LSB);
|
|
hwclock |= (u64)tr32(TG3_TX_TSTAMP_MSB) << 32;
|
|
|
|
tg3_hwclock_to_timestamp(tp, hwclock, ×tamp);
|
|
|
|
skb_tstamp_tx(skb, ×tamp);
|
|
}
|
|
|
|
dma_unmap_single(&tp->pdev->dev, dma_unmap_addr(ri, mapping),
|
|
skb_headlen(skb), DMA_TO_DEVICE);
|
|
|
|
ri->skb = NULL;
|
|
|
|
while (ri->fragmented) {
|
|
ri->fragmented = false;
|
|
sw_idx = NEXT_TX(sw_idx);
|
|
ri = &tnapi->tx_buffers[sw_idx];
|
|
}
|
|
|
|
sw_idx = NEXT_TX(sw_idx);
|
|
|
|
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
|
|
ri = &tnapi->tx_buffers[sw_idx];
|
|
if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
|
|
tx_bug = 1;
|
|
|
|
dma_unmap_page(&tp->pdev->dev,
|
|
dma_unmap_addr(ri, mapping),
|
|
skb_frag_size(&skb_shinfo(skb)->frags[i]),
|
|
DMA_TO_DEVICE);
|
|
|
|
while (ri->fragmented) {
|
|
ri->fragmented = false;
|
|
sw_idx = NEXT_TX(sw_idx);
|
|
ri = &tnapi->tx_buffers[sw_idx];
|
|
}
|
|
|
|
sw_idx = NEXT_TX(sw_idx);
|
|
}
|
|
|
|
pkts_compl++;
|
|
bytes_compl += skb->len;
|
|
|
|
dev_consume_skb_any(skb);
|
|
|
|
if (unlikely(tx_bug)) {
|
|
tg3_tx_recover(tp);
|
|
return;
|
|
}
|
|
}
|
|
|
|
netdev_tx_completed_queue(txq, pkts_compl, bytes_compl);
|
|
|
|
tnapi->tx_cons = sw_idx;
|
|
|
|
/* Need to make the tx_cons update visible to tg3_start_xmit()
|
|
* before checking for netif_queue_stopped(). Without the
|
|
* memory barrier, there is a small possibility that tg3_start_xmit()
|
|
* will miss it and cause the queue to be stopped forever.
|
|
*/
|
|
smp_mb();
|
|
|
|
if (unlikely(netif_tx_queue_stopped(txq) &&
|
|
(tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
|
|
__netif_tx_lock(txq, smp_processor_id());
|
|
if (netif_tx_queue_stopped(txq) &&
|
|
(tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
|
|
netif_tx_wake_queue(txq);
|
|
__netif_tx_unlock(txq);
|
|
}
|
|
}
|
|
|
|
static void tg3_frag_free(bool is_frag, void *data)
|
|
{
|
|
if (is_frag)
|
|
skb_free_frag(data);
|
|
else
|
|
kfree(data);
|
|
}
|
|
|
|
static void tg3_rx_data_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
|
|
{
|
|
unsigned int skb_size = SKB_DATA_ALIGN(map_sz + TG3_RX_OFFSET(tp)) +
|
|
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
|
|
|
|
if (!ri->data)
|
|
return;
|
|
|
|
dma_unmap_single(&tp->pdev->dev, dma_unmap_addr(ri, mapping), map_sz,
|
|
DMA_FROM_DEVICE);
|
|
tg3_frag_free(skb_size <= PAGE_SIZE, ri->data);
|
|
ri->data = NULL;
|
|
}
|
|
|
|
|
|
/* Returns size of skb allocated or < 0 on error.
|
|
*
|
|
* We only need to fill in the address because the other members
|
|
* of the RX descriptor are invariant, see tg3_init_rings.
|
|
*
|
|
* Note the purposeful assymetry of cpu vs. chip accesses. For
|
|
* posting buffers we only dirty the first cache line of the RX
|
|
* descriptor (containing the address). Whereas for the RX status
|
|
* buffers the cpu only reads the last cacheline of the RX descriptor
|
|
* (to fetch the error flags, vlan tag, checksum, and opaque cookie).
|
|
*/
|
|
static int tg3_alloc_rx_data(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
|
|
u32 opaque_key, u32 dest_idx_unmasked,
|
|
unsigned int *frag_size)
|
|
{
|
|
struct tg3_rx_buffer_desc *desc;
|
|
struct ring_info *map;
|
|
u8 *data;
|
|
dma_addr_t mapping;
|
|
int skb_size, data_size, dest_idx;
|
|
|
|
switch (opaque_key) {
|
|
case RXD_OPAQUE_RING_STD:
|
|
dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
|
|
desc = &tpr->rx_std[dest_idx];
|
|
map = &tpr->rx_std_buffers[dest_idx];
|
|
data_size = tp->rx_pkt_map_sz;
|
|
break;
|
|
|
|
case RXD_OPAQUE_RING_JUMBO:
|
|
dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
|
|
desc = &tpr->rx_jmb[dest_idx].std;
|
|
map = &tpr->rx_jmb_buffers[dest_idx];
|
|
data_size = TG3_RX_JMB_MAP_SZ;
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Do not overwrite any of the map or rp information
|
|
* until we are sure we can commit to a new buffer.
|
|
*
|
|
* Callers depend upon this behavior and assume that
|
|
* we leave everything unchanged if we fail.
|
|
*/
|
|
skb_size = SKB_DATA_ALIGN(data_size + TG3_RX_OFFSET(tp)) +
|
|
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
|
|
if (skb_size <= PAGE_SIZE) {
|
|
data = napi_alloc_frag(skb_size);
|
|
*frag_size = skb_size;
|
|
} else {
|
|
data = kmalloc(skb_size, GFP_ATOMIC);
|
|
*frag_size = 0;
|
|
}
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
mapping = dma_map_single(&tp->pdev->dev, data + TG3_RX_OFFSET(tp),
|
|
data_size, DMA_FROM_DEVICE);
|
|
if (unlikely(dma_mapping_error(&tp->pdev->dev, mapping))) {
|
|
tg3_frag_free(skb_size <= PAGE_SIZE, data);
|
|
return -EIO;
|
|
}
|
|
|
|
map->data = data;
|
|
dma_unmap_addr_set(map, mapping, mapping);
|
|
|
|
desc->addr_hi = ((u64)mapping >> 32);
|
|
desc->addr_lo = ((u64)mapping & 0xffffffff);
|
|
|
|
return data_size;
|
|
}
|
|
|
|
/* We only need to move over in the address because the other
|
|
* members of the RX descriptor are invariant. See notes above
|
|
* tg3_alloc_rx_data for full details.
|
|
*/
|
|
static void tg3_recycle_rx(struct tg3_napi *tnapi,
|
|
struct tg3_rx_prodring_set *dpr,
|
|
u32 opaque_key, int src_idx,
|
|
u32 dest_idx_unmasked)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct tg3_rx_buffer_desc *src_desc, *dest_desc;
|
|
struct ring_info *src_map, *dest_map;
|
|
struct tg3_rx_prodring_set *spr = &tp->napi[0].prodring;
|
|
int dest_idx;
|
|
|
|
switch (opaque_key) {
|
|
case RXD_OPAQUE_RING_STD:
|
|
dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
|
|
dest_desc = &dpr->rx_std[dest_idx];
|
|
dest_map = &dpr->rx_std_buffers[dest_idx];
|
|
src_desc = &spr->rx_std[src_idx];
|
|
src_map = &spr->rx_std_buffers[src_idx];
|
|
break;
|
|
|
|
case RXD_OPAQUE_RING_JUMBO:
|
|
dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
|
|
dest_desc = &dpr->rx_jmb[dest_idx].std;
|
|
dest_map = &dpr->rx_jmb_buffers[dest_idx];
|
|
src_desc = &spr->rx_jmb[src_idx].std;
|
|
src_map = &spr->rx_jmb_buffers[src_idx];
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
dest_map->data = src_map->data;
|
|
dma_unmap_addr_set(dest_map, mapping,
|
|
dma_unmap_addr(src_map, mapping));
|
|
dest_desc->addr_hi = src_desc->addr_hi;
|
|
dest_desc->addr_lo = src_desc->addr_lo;
|
|
|
|
/* Ensure that the update to the skb happens after the physical
|
|
* addresses have been transferred to the new BD location.
|
|
*/
|
|
smp_wmb();
|
|
|
|
src_map->data = NULL;
|
|
}
|
|
|
|
/* The RX ring scheme is composed of multiple rings which post fresh
|
|
* buffers to the chip, and one special ring the chip uses to report
|
|
* status back to the host.
|
|
*
|
|
* The special ring reports the status of received packets to the
|
|
* host. The chip does not write into the original descriptor the
|
|
* RX buffer was obtained from. The chip simply takes the original
|
|
* descriptor as provided by the host, updates the status and length
|
|
* field, then writes this into the next status ring entry.
|
|
*
|
|
* Each ring the host uses to post buffers to the chip is described
|
|
* by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
|
|
* it is first placed into the on-chip ram. When the packet's length
|
|
* is known, it walks down the TG3_BDINFO entries to select the ring.
|
|
* Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
|
|
* which is within the range of the new packet's length is chosen.
|
|
*
|
|
* The "separate ring for rx status" scheme may sound queer, but it makes
|
|
* sense from a cache coherency perspective. If only the host writes
|
|
* to the buffer post rings, and only the chip writes to the rx status
|
|
* rings, then cache lines never move beyond shared-modified state.
|
|
* If both the host and chip were to write into the same ring, cache line
|
|
* eviction could occur since both entities want it in an exclusive state.
|
|
*/
|
|
static int tg3_rx(struct tg3_napi *tnapi, int budget)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
u32 work_mask, rx_std_posted = 0;
|
|
u32 std_prod_idx, jmb_prod_idx;
|
|
u32 sw_idx = tnapi->rx_rcb_ptr;
|
|
u16 hw_idx;
|
|
int received;
|
|
struct tg3_rx_prodring_set *tpr = &tnapi->prodring;
|
|
|
|
hw_idx = *(tnapi->rx_rcb_prod_idx);
|
|
/*
|
|
* We need to order the read of hw_idx and the read of
|
|
* the opaque cookie.
|
|
*/
|
|
rmb();
|
|
work_mask = 0;
|
|
received = 0;
|
|
std_prod_idx = tpr->rx_std_prod_idx;
|
|
jmb_prod_idx = tpr->rx_jmb_prod_idx;
|
|
while (sw_idx != hw_idx && budget > 0) {
|
|
struct ring_info *ri;
|
|
struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
|
|
unsigned int len;
|
|
struct sk_buff *skb;
|
|
dma_addr_t dma_addr;
|
|
u32 opaque_key, desc_idx, *post_ptr;
|
|
u8 *data;
|
|
u64 tstamp = 0;
|
|
|
|
desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
|
|
opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
|
|
if (opaque_key == RXD_OPAQUE_RING_STD) {
|
|
ri = &tp->napi[0].prodring.rx_std_buffers[desc_idx];
|
|
dma_addr = dma_unmap_addr(ri, mapping);
|
|
data = ri->data;
|
|
post_ptr = &std_prod_idx;
|
|
rx_std_posted++;
|
|
} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
|
|
ri = &tp->napi[0].prodring.rx_jmb_buffers[desc_idx];
|
|
dma_addr = dma_unmap_addr(ri, mapping);
|
|
data = ri->data;
|
|
post_ptr = &jmb_prod_idx;
|
|
} else
|
|
goto next_pkt_nopost;
|
|
|
|
work_mask |= opaque_key;
|
|
|
|
if (desc->err_vlan & RXD_ERR_MASK) {
|
|
drop_it:
|
|
tg3_recycle_rx(tnapi, tpr, opaque_key,
|
|
desc_idx, *post_ptr);
|
|
drop_it_no_recycle:
|
|
/* Other statistics kept track of by card. */
|
|
tp->rx_dropped++;
|
|
goto next_pkt;
|
|
}
|
|
|
|
prefetch(data + TG3_RX_OFFSET(tp));
|
|
len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
|
|
ETH_FCS_LEN;
|
|
|
|
if ((desc->type_flags & RXD_FLAG_PTPSTAT_MASK) ==
|
|
RXD_FLAG_PTPSTAT_PTPV1 ||
|
|
(desc->type_flags & RXD_FLAG_PTPSTAT_MASK) ==
|
|
RXD_FLAG_PTPSTAT_PTPV2) {
|
|
tstamp = tr32(TG3_RX_TSTAMP_LSB);
|
|
tstamp |= (u64)tr32(TG3_RX_TSTAMP_MSB) << 32;
|
|
}
|
|
|
|
if (len > TG3_RX_COPY_THRESH(tp)) {
|
|
int skb_size;
|
|
unsigned int frag_size;
|
|
|
|
skb_size = tg3_alloc_rx_data(tp, tpr, opaque_key,
|
|
*post_ptr, &frag_size);
|
|
if (skb_size < 0)
|
|
goto drop_it;
|
|
|
|
dma_unmap_single(&tp->pdev->dev, dma_addr, skb_size,
|
|
DMA_FROM_DEVICE);
|
|
|
|
/* Ensure that the update to the data happens
|
|
* after the usage of the old DMA mapping.
|
|
*/
|
|
smp_wmb();
|
|
|
|
ri->data = NULL;
|
|
|
|
skb = build_skb(data, frag_size);
|
|
if (!skb) {
|
|
tg3_frag_free(frag_size != 0, data);
|
|
goto drop_it_no_recycle;
|
|
}
|
|
skb_reserve(skb, TG3_RX_OFFSET(tp));
|
|
} else {
|
|
tg3_recycle_rx(tnapi, tpr, opaque_key,
|
|
desc_idx, *post_ptr);
|
|
|
|
skb = netdev_alloc_skb(tp->dev,
|
|
len + TG3_RAW_IP_ALIGN);
|
|
if (skb == NULL)
|
|
goto drop_it_no_recycle;
|
|
|
|
skb_reserve(skb, TG3_RAW_IP_ALIGN);
|
|
dma_sync_single_for_cpu(&tp->pdev->dev, dma_addr, len,
|
|
DMA_FROM_DEVICE);
|
|
memcpy(skb->data,
|
|
data + TG3_RX_OFFSET(tp),
|
|
len);
|
|
dma_sync_single_for_device(&tp->pdev->dev, dma_addr,
|
|
len, DMA_FROM_DEVICE);
|
|
}
|
|
|
|
skb_put(skb, len);
|
|
if (tstamp)
|
|
tg3_hwclock_to_timestamp(tp, tstamp,
|
|
skb_hwtstamps(skb));
|
|
|
|
if ((tp->dev->features & NETIF_F_RXCSUM) &&
|
|
(desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
|
|
(((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
|
|
>> RXD_TCPCSUM_SHIFT) == 0xffff))
|
|
skb->ip_summed = CHECKSUM_UNNECESSARY;
|
|
else
|
|
skb_checksum_none_assert(skb);
|
|
|
|
skb->protocol = eth_type_trans(skb, tp->dev);
|
|
|
|
if (len > (tp->dev->mtu + ETH_HLEN) &&
|
|
skb->protocol != htons(ETH_P_8021Q) &&
|
|
skb->protocol != htons(ETH_P_8021AD)) {
|
|
dev_kfree_skb_any(skb);
|
|
goto drop_it_no_recycle;
|
|
}
|
|
|
|
if (desc->type_flags & RXD_FLAG_VLAN &&
|
|
!(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG))
|
|
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
|
|
desc->err_vlan & RXD_VLAN_MASK);
|
|
|
|
napi_gro_receive(&tnapi->napi, skb);
|
|
|
|
received++;
|
|
budget--;
|
|
|
|
next_pkt:
|
|
(*post_ptr)++;
|
|
|
|
if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
|
|
tpr->rx_std_prod_idx = std_prod_idx &
|
|
tp->rx_std_ring_mask;
|
|
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
|
|
tpr->rx_std_prod_idx);
|
|
work_mask &= ~RXD_OPAQUE_RING_STD;
|
|
rx_std_posted = 0;
|
|
}
|
|
next_pkt_nopost:
|
|
sw_idx++;
|
|
sw_idx &= tp->rx_ret_ring_mask;
|
|
|
|
/* Refresh hw_idx to see if there is new work */
|
|
if (sw_idx == hw_idx) {
|
|
hw_idx = *(tnapi->rx_rcb_prod_idx);
|
|
rmb();
|
|
}
|
|
}
|
|
|
|
/* ACK the status ring. */
|
|
tnapi->rx_rcb_ptr = sw_idx;
|
|
tw32_rx_mbox(tnapi->consmbox, sw_idx);
|
|
|
|
/* Refill RX ring(s). */
|
|
if (!tg3_flag(tp, ENABLE_RSS)) {
|
|
/* Sync BD data before updating mailbox */
|
|
wmb();
|
|
|
|
if (work_mask & RXD_OPAQUE_RING_STD) {
|
|
tpr->rx_std_prod_idx = std_prod_idx &
|
|
tp->rx_std_ring_mask;
|
|
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
|
|
tpr->rx_std_prod_idx);
|
|
}
|
|
if (work_mask & RXD_OPAQUE_RING_JUMBO) {
|
|
tpr->rx_jmb_prod_idx = jmb_prod_idx &
|
|
tp->rx_jmb_ring_mask;
|
|
tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
|
|
tpr->rx_jmb_prod_idx);
|
|
}
|
|
} else if (work_mask) {
|
|
/* rx_std_buffers[] and rx_jmb_buffers[] entries must be
|
|
* updated before the producer indices can be updated.
|
|
*/
|
|
smp_wmb();
|
|
|
|
tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask;
|
|
tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask;
|
|
|
|
if (tnapi != &tp->napi[1]) {
|
|
tp->rx_refill = true;
|
|
napi_schedule(&tp->napi[1].napi);
|
|
}
|
|
}
|
|
|
|
return received;
|
|
}
|
|
|
|
static void tg3_poll_link(struct tg3 *tp)
|
|
{
|
|
/* handle link change and other phy events */
|
|
if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) {
|
|
struct tg3_hw_status *sblk = tp->napi[0].hw_status;
|
|
|
|
if (sblk->status & SD_STATUS_LINK_CHG) {
|
|
sblk->status = SD_STATUS_UPDATED |
|
|
(sblk->status & ~SD_STATUS_LINK_CHG);
|
|
spin_lock(&tp->lock);
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
tw32_f(MAC_STATUS,
|
|
(MAC_STATUS_SYNC_CHANGED |
|
|
MAC_STATUS_CFG_CHANGED |
|
|
MAC_STATUS_MI_COMPLETION |
|
|
MAC_STATUS_LNKSTATE_CHANGED));
|
|
udelay(40);
|
|
} else
|
|
tg3_setup_phy(tp, false);
|
|
spin_unlock(&tp->lock);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int tg3_rx_prodring_xfer(struct tg3 *tp,
|
|
struct tg3_rx_prodring_set *dpr,
|
|
struct tg3_rx_prodring_set *spr)
|
|
{
|
|
u32 si, di, cpycnt, src_prod_idx;
|
|
int i, err = 0;
|
|
|
|
while (1) {
|
|
src_prod_idx = spr->rx_std_prod_idx;
|
|
|
|
/* Make sure updates to the rx_std_buffers[] entries and the
|
|
* standard producer index are seen in the correct order.
|
|
*/
|
|
smp_rmb();
|
|
|
|
if (spr->rx_std_cons_idx == src_prod_idx)
|
|
break;
|
|
|
|
if (spr->rx_std_cons_idx < src_prod_idx)
|
|
cpycnt = src_prod_idx - spr->rx_std_cons_idx;
|
|
else
|
|
cpycnt = tp->rx_std_ring_mask + 1 -
|
|
spr->rx_std_cons_idx;
|
|
|
|
cpycnt = min(cpycnt,
|
|
tp->rx_std_ring_mask + 1 - dpr->rx_std_prod_idx);
|
|
|
|
si = spr->rx_std_cons_idx;
|
|
di = dpr->rx_std_prod_idx;
|
|
|
|
for (i = di; i < di + cpycnt; i++) {
|
|
if (dpr->rx_std_buffers[i].data) {
|
|
cpycnt = i - di;
|
|
err = -ENOSPC;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!cpycnt)
|
|
break;
|
|
|
|
/* Ensure that updates to the rx_std_buffers ring and the
|
|
* shadowed hardware producer ring from tg3_recycle_skb() are
|
|
* ordered correctly WRT the skb check above.
|
|
*/
|
|
smp_rmb();
|
|
|
|
memcpy(&dpr->rx_std_buffers[di],
|
|
&spr->rx_std_buffers[si],
|
|
cpycnt * sizeof(struct ring_info));
|
|
|
|
for (i = 0; i < cpycnt; i++, di++, si++) {
|
|
struct tg3_rx_buffer_desc *sbd, *dbd;
|
|
sbd = &spr->rx_std[si];
|
|
dbd = &dpr->rx_std[di];
|
|
dbd->addr_hi = sbd->addr_hi;
|
|
dbd->addr_lo = sbd->addr_lo;
|
|
}
|
|
|
|
spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) &
|
|
tp->rx_std_ring_mask;
|
|
dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) &
|
|
tp->rx_std_ring_mask;
|
|
}
|
|
|
|
while (1) {
|
|
src_prod_idx = spr->rx_jmb_prod_idx;
|
|
|
|
/* Make sure updates to the rx_jmb_buffers[] entries and
|
|
* the jumbo producer index are seen in the correct order.
|
|
*/
|
|
smp_rmb();
|
|
|
|
if (spr->rx_jmb_cons_idx == src_prod_idx)
|
|
break;
|
|
|
|
if (spr->rx_jmb_cons_idx < src_prod_idx)
|
|
cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
|
|
else
|
|
cpycnt = tp->rx_jmb_ring_mask + 1 -
|
|
spr->rx_jmb_cons_idx;
|
|
|
|
cpycnt = min(cpycnt,
|
|
tp->rx_jmb_ring_mask + 1 - dpr->rx_jmb_prod_idx);
|
|
|
|
si = spr->rx_jmb_cons_idx;
|
|
di = dpr->rx_jmb_prod_idx;
|
|
|
|
for (i = di; i < di + cpycnt; i++) {
|
|
if (dpr->rx_jmb_buffers[i].data) {
|
|
cpycnt = i - di;
|
|
err = -ENOSPC;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!cpycnt)
|
|
break;
|
|
|
|
/* Ensure that updates to the rx_jmb_buffers ring and the
|
|
* shadowed hardware producer ring from tg3_recycle_skb() are
|
|
* ordered correctly WRT the skb check above.
|
|
*/
|
|
smp_rmb();
|
|
|
|
memcpy(&dpr->rx_jmb_buffers[di],
|
|
&spr->rx_jmb_buffers[si],
|
|
cpycnt * sizeof(struct ring_info));
|
|
|
|
for (i = 0; i < cpycnt; i++, di++, si++) {
|
|
struct tg3_rx_buffer_desc *sbd, *dbd;
|
|
sbd = &spr->rx_jmb[si].std;
|
|
dbd = &dpr->rx_jmb[di].std;
|
|
dbd->addr_hi = sbd->addr_hi;
|
|
dbd->addr_lo = sbd->addr_lo;
|
|
}
|
|
|
|
spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) &
|
|
tp->rx_jmb_ring_mask;
|
|
dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) &
|
|
tp->rx_jmb_ring_mask;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
|
|
/* run TX completion thread */
|
|
if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
|
|
tg3_tx(tnapi);
|
|
if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
|
|
return work_done;
|
|
}
|
|
|
|
if (!tnapi->rx_rcb_prod_idx)
|
|
return work_done;
|
|
|
|
/* run RX thread, within the bounds set by NAPI.
|
|
* All RX "locking" is done by ensuring outside
|
|
* code synchronizes with tg3->napi.poll()
|
|
*/
|
|
if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
|
|
work_done += tg3_rx(tnapi, budget - work_done);
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS) && tnapi == &tp->napi[1]) {
|
|
struct tg3_rx_prodring_set *dpr = &tp->napi[0].prodring;
|
|
int i, err = 0;
|
|
u32 std_prod_idx = dpr->rx_std_prod_idx;
|
|
u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
|
|
|
|
tp->rx_refill = false;
|
|
for (i = 1; i <= tp->rxq_cnt; i++)
|
|
err |= tg3_rx_prodring_xfer(tp, dpr,
|
|
&tp->napi[i].prodring);
|
|
|
|
wmb();
|
|
|
|
if (std_prod_idx != dpr->rx_std_prod_idx)
|
|
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
|
|
dpr->rx_std_prod_idx);
|
|
|
|
if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
|
|
tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
|
|
dpr->rx_jmb_prod_idx);
|
|
|
|
if (err)
|
|
tw32_f(HOSTCC_MODE, tp->coal_now);
|
|
}
|
|
|
|
return work_done;
|
|
}
|
|
|
|
static inline void tg3_reset_task_schedule(struct tg3 *tp)
|
|
{
|
|
if (!test_and_set_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags))
|
|
schedule_work(&tp->reset_task);
|
|
}
|
|
|
|
static inline void tg3_reset_task_cancel(struct tg3 *tp)
|
|
{
|
|
if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags))
|
|
cancel_work_sync(&tp->reset_task);
|
|
tg3_flag_clear(tp, TX_RECOVERY_PENDING);
|
|
}
|
|
|
|
static int tg3_poll_msix(struct napi_struct *napi, int budget)
|
|
{
|
|
struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
|
|
struct tg3 *tp = tnapi->tp;
|
|
int work_done = 0;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
|
|
while (1) {
|
|
work_done = tg3_poll_work(tnapi, work_done, budget);
|
|
|
|
if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
|
|
goto tx_recovery;
|
|
|
|
if (unlikely(work_done >= budget))
|
|
break;
|
|
|
|
/* tp->last_tag is used in tg3_int_reenable() below
|
|
* to tell the hw how much work has been processed,
|
|
* so we must read it before checking for more work.
|
|
*/
|
|
tnapi->last_tag = sblk->status_tag;
|
|
tnapi->last_irq_tag = tnapi->last_tag;
|
|
rmb();
|
|
|
|
/* check for RX/TX work to do */
|
|
if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
|
|
*(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
|
|
|
|
/* This test here is not race free, but will reduce
|
|
* the number of interrupts by looping again.
|
|
*/
|
|
if (tnapi == &tp->napi[1] && tp->rx_refill)
|
|
continue;
|
|
|
|
napi_complete_done(napi, work_done);
|
|
/* Reenable interrupts. */
|
|
tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
|
|
|
|
/* This test here is synchronized by napi_schedule()
|
|
* and napi_complete() to close the race condition.
|
|
*/
|
|
if (unlikely(tnapi == &tp->napi[1] && tp->rx_refill)) {
|
|
tw32(HOSTCC_MODE, tp->coalesce_mode |
|
|
HOSTCC_MODE_ENABLE |
|
|
tnapi->coal_now);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1);
|
|
return work_done;
|
|
|
|
tx_recovery:
|
|
/* work_done is guaranteed to be less than budget. */
|
|
napi_complete(napi);
|
|
tg3_reset_task_schedule(tp);
|
|
return work_done;
|
|
}
|
|
|
|
static void tg3_process_error(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
bool real_error = false;
|
|
|
|
if (tg3_flag(tp, ERROR_PROCESSED))
|
|
return;
|
|
|
|
/* Check Flow Attention register */
|
|
val = tr32(HOSTCC_FLOW_ATTN);
|
|
if (val & ~HOSTCC_FLOW_ATTN_MBUF_LWM) {
|
|
netdev_err(tp->dev, "FLOW Attention error. Resetting chip.\n");
|
|
real_error = true;
|
|
}
|
|
|
|
if (tr32(MSGINT_STATUS) & ~MSGINT_STATUS_MSI_REQ) {
|
|
netdev_err(tp->dev, "MSI Status error. Resetting chip.\n");
|
|
real_error = true;
|
|
}
|
|
|
|
if (tr32(RDMAC_STATUS) || tr32(WDMAC_STATUS)) {
|
|
netdev_err(tp->dev, "DMA Status error. Resetting chip.\n");
|
|
real_error = true;
|
|
}
|
|
|
|
if (!real_error)
|
|
return;
|
|
|
|
tg3_dump_state(tp);
|
|
|
|
tg3_flag_set(tp, ERROR_PROCESSED);
|
|
tg3_reset_task_schedule(tp);
|
|
}
|
|
|
|
static int tg3_poll(struct napi_struct *napi, int budget)
|
|
{
|
|
struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
|
|
struct tg3 *tp = tnapi->tp;
|
|
int work_done = 0;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
|
|
while (1) {
|
|
if (sblk->status & SD_STATUS_ERROR)
|
|
tg3_process_error(tp);
|
|
|
|
tg3_poll_link(tp);
|
|
|
|
work_done = tg3_poll_work(tnapi, work_done, budget);
|
|
|
|
if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
|
|
goto tx_recovery;
|
|
|
|
if (unlikely(work_done >= budget))
|
|
break;
|
|
|
|
if (tg3_flag(tp, TAGGED_STATUS)) {
|
|
/* tp->last_tag is used in tg3_int_reenable() below
|
|
* to tell the hw how much work has been processed,
|
|
* so we must read it before checking for more work.
|
|
*/
|
|
tnapi->last_tag = sblk->status_tag;
|
|
tnapi->last_irq_tag = tnapi->last_tag;
|
|
rmb();
|
|
} else
|
|
sblk->status &= ~SD_STATUS_UPDATED;
|
|
|
|
if (likely(!tg3_has_work(tnapi))) {
|
|
napi_complete_done(napi, work_done);
|
|
tg3_int_reenable(tnapi);
|
|
break;
|
|
}
|
|
}
|
|
|
|
tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1);
|
|
return work_done;
|
|
|
|
tx_recovery:
|
|
/* work_done is guaranteed to be less than budget. */
|
|
napi_complete(napi);
|
|
tg3_reset_task_schedule(tp);
|
|
return work_done;
|
|
}
|
|
|
|
static void tg3_napi_disable(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = tp->irq_cnt - 1; i >= 0; i--)
|
|
napi_disable(&tp->napi[i].napi);
|
|
}
|
|
|
|
static void tg3_napi_enable(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++)
|
|
napi_enable(&tp->napi[i].napi);
|
|
}
|
|
|
|
static void tg3_napi_init(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
netif_napi_add(tp->dev, &tp->napi[0].napi, tg3_poll, 64);
|
|
for (i = 1; i < tp->irq_cnt; i++)
|
|
netif_napi_add(tp->dev, &tp->napi[i].napi, tg3_poll_msix, 64);
|
|
}
|
|
|
|
static void tg3_napi_fini(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++)
|
|
netif_napi_del(&tp->napi[i].napi);
|
|
}
|
|
|
|
static inline void tg3_netif_stop(struct tg3 *tp)
|
|
{
|
|
netif_trans_update(tp->dev); /* prevent tx timeout */
|
|
tg3_napi_disable(tp);
|
|
netif_carrier_off(tp->dev);
|
|
netif_tx_disable(tp->dev);
|
|
}
|
|
|
|
/* tp->lock must be held */
|
|
static inline void tg3_netif_start(struct tg3 *tp)
|
|
{
|
|
tg3_ptp_resume(tp);
|
|
|
|
/* NOTE: unconditional netif_tx_wake_all_queues is only
|
|
* appropriate so long as all callers are assured to
|
|
* have free tx slots (such as after tg3_init_hw)
|
|
*/
|
|
netif_tx_wake_all_queues(tp->dev);
|
|
|
|
if (tp->link_up)
|
|
netif_carrier_on(tp->dev);
|
|
|
|
tg3_napi_enable(tp);
|
|
tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
|
|
tg3_enable_ints(tp);
|
|
}
|
|
|
|
static void tg3_irq_quiesce(struct tg3 *tp)
|
|
__releases(tp->lock)
|
|
__acquires(tp->lock)
|
|
{
|
|
int i;
|
|
|
|
BUG_ON(tp->irq_sync);
|
|
|
|
tp->irq_sync = 1;
|
|
smp_mb();
|
|
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++)
|
|
synchronize_irq(tp->napi[i].irq_vec);
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
}
|
|
|
|
/* Fully shutdown all tg3 driver activity elsewhere in the system.
|
|
* If irq_sync is non-zero, then the IRQ handler must be synchronized
|
|
* with as well. Most of the time, this is not necessary except when
|
|
* shutting down the device.
|
|
*/
|
|
static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
|
|
{
|
|
spin_lock_bh(&tp->lock);
|
|
if (irq_sync)
|
|
tg3_irq_quiesce(tp);
|
|
}
|
|
|
|
static inline void tg3_full_unlock(struct tg3 *tp)
|
|
{
|
|
spin_unlock_bh(&tp->lock);
|
|
}
|
|
|
|
/* One-shot MSI handler - Chip automatically disables interrupt
|
|
* after sending MSI so driver doesn't have to do it.
|
|
*/
|
|
static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
|
|
{
|
|
struct tg3_napi *tnapi = dev_id;
|
|
struct tg3 *tp = tnapi->tp;
|
|
|
|
prefetch(tnapi->hw_status);
|
|
if (tnapi->rx_rcb)
|
|
prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
|
|
|
|
if (likely(!tg3_irq_sync(tp)))
|
|
napi_schedule(&tnapi->napi);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* MSI ISR - No need to check for interrupt sharing and no need to
|
|
* flush status block and interrupt mailbox. PCI ordering rules
|
|
* guarantee that MSI will arrive after the status block.
|
|
*/
|
|
static irqreturn_t tg3_msi(int irq, void *dev_id)
|
|
{
|
|
struct tg3_napi *tnapi = dev_id;
|
|
struct tg3 *tp = tnapi->tp;
|
|
|
|
prefetch(tnapi->hw_status);
|
|
if (tnapi->rx_rcb)
|
|
prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
|
|
/*
|
|
* Writing any value to intr-mbox-0 clears PCI INTA# and
|
|
* chip-internal interrupt pending events.
|
|
* Writing non-zero to intr-mbox-0 additional tells the
|
|
* NIC to stop sending us irqs, engaging "in-intr-handler"
|
|
* event coalescing.
|
|
*/
|
|
tw32_mailbox(tnapi->int_mbox, 0x00000001);
|
|
if (likely(!tg3_irq_sync(tp)))
|
|
napi_schedule(&tnapi->napi);
|
|
|
|
return IRQ_RETVAL(1);
|
|
}
|
|
|
|
static irqreturn_t tg3_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct tg3_napi *tnapi = dev_id;
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
unsigned int handled = 1;
|
|
|
|
/* In INTx mode, it is possible for the interrupt to arrive at
|
|
* the CPU before the status block posted prior to the interrupt.
|
|
* Reading the PCI State register will confirm whether the
|
|
* interrupt is ours and will flush the status block.
|
|
*/
|
|
if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
|
|
if (tg3_flag(tp, CHIP_RESETTING) ||
|
|
(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
|
|
handled = 0;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Writing any value to intr-mbox-0 clears PCI INTA# and
|
|
* chip-internal interrupt pending events.
|
|
* Writing non-zero to intr-mbox-0 additional tells the
|
|
* NIC to stop sending us irqs, engaging "in-intr-handler"
|
|
* event coalescing.
|
|
*
|
|
* Flush the mailbox to de-assert the IRQ immediately to prevent
|
|
* spurious interrupts. The flush impacts performance but
|
|
* excessive spurious interrupts can be worse in some cases.
|
|
*/
|
|
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
|
|
if (tg3_irq_sync(tp))
|
|
goto out;
|
|
sblk->status &= ~SD_STATUS_UPDATED;
|
|
if (likely(tg3_has_work(tnapi))) {
|
|
prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
|
|
napi_schedule(&tnapi->napi);
|
|
} else {
|
|
/* No work, shared interrupt perhaps? re-enable
|
|
* interrupts, and flush that PCI write
|
|
*/
|
|
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
|
|
0x00000000);
|
|
}
|
|
out:
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
|
|
{
|
|
struct tg3_napi *tnapi = dev_id;
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
unsigned int handled = 1;
|
|
|
|
/* In INTx mode, it is possible for the interrupt to arrive at
|
|
* the CPU before the status block posted prior to the interrupt.
|
|
* Reading the PCI State register will confirm whether the
|
|
* interrupt is ours and will flush the status block.
|
|
*/
|
|
if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
|
|
if (tg3_flag(tp, CHIP_RESETTING) ||
|
|
(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
|
|
handled = 0;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* writing any value to intr-mbox-0 clears PCI INTA# and
|
|
* chip-internal interrupt pending events.
|
|
* writing non-zero to intr-mbox-0 additional tells the
|
|
* NIC to stop sending us irqs, engaging "in-intr-handler"
|
|
* event coalescing.
|
|
*
|
|
* Flush the mailbox to de-assert the IRQ immediately to prevent
|
|
* spurious interrupts. The flush impacts performance but
|
|
* excessive spurious interrupts can be worse in some cases.
|
|
*/
|
|
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
|
|
|
|
/*
|
|
* In a shared interrupt configuration, sometimes other devices'
|
|
* interrupts will scream. We record the current status tag here
|
|
* so that the above check can report that the screaming interrupts
|
|
* are unhandled. Eventually they will be silenced.
|
|
*/
|
|
tnapi->last_irq_tag = sblk->status_tag;
|
|
|
|
if (tg3_irq_sync(tp))
|
|
goto out;
|
|
|
|
prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
|
|
|
|
napi_schedule(&tnapi->napi);
|
|
|
|
out:
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
/* ISR for interrupt test */
|
|
static irqreturn_t tg3_test_isr(int irq, void *dev_id)
|
|
{
|
|
struct tg3_napi *tnapi = dev_id;
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct tg3_hw_status *sblk = tnapi->hw_status;
|
|
|
|
if ((sblk->status & SD_STATUS_UPDATED) ||
|
|
!(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
|
|
tg3_disable_ints(tp);
|
|
return IRQ_RETVAL(1);
|
|
}
|
|
return IRQ_RETVAL(0);
|
|
}
|
|
|
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
static void tg3_poll_controller(struct net_device *dev)
|
|
{
|
|
int i;
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (tg3_irq_sync(tp))
|
|
return;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++)
|
|
tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
|
|
}
|
|
#endif
|
|
|
|
static void tg3_tx_timeout(struct net_device *dev, unsigned int txqueue)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (netif_msg_tx_err(tp)) {
|
|
netdev_err(dev, "transmit timed out, resetting\n");
|
|
tg3_dump_state(tp);
|
|
}
|
|
|
|
tg3_reset_task_schedule(tp);
|
|
}
|
|
|
|
/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
|
|
static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
|
|
{
|
|
u32 base = (u32) mapping & 0xffffffff;
|
|
|
|
return base + len + 8 < base;
|
|
}
|
|
|
|
/* Test for TSO DMA buffers that cross into regions which are within MSS bytes
|
|
* of any 4GB boundaries: 4G, 8G, etc
|
|
*/
|
|
static inline int tg3_4g_tso_overflow_test(struct tg3 *tp, dma_addr_t mapping,
|
|
u32 len, u32 mss)
|
|
{
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762 && mss) {
|
|
u32 base = (u32) mapping & 0xffffffff;
|
|
|
|
return ((base + len + (mss & 0x3fff)) < base);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Test for DMA addresses > 40-bit */
|
|
static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
|
|
int len)
|
|
{
|
|
#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
|
|
if (tg3_flag(tp, 40BIT_DMA_BUG))
|
|
return ((u64) mapping + len) > DMA_BIT_MASK(40);
|
|
return 0;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static inline void tg3_tx_set_bd(struct tg3_tx_buffer_desc *txbd,
|
|
dma_addr_t mapping, u32 len, u32 flags,
|
|
u32 mss, u32 vlan)
|
|
{
|
|
txbd->addr_hi = ((u64) mapping >> 32);
|
|
txbd->addr_lo = ((u64) mapping & 0xffffffff);
|
|
txbd->len_flags = (len << TXD_LEN_SHIFT) | (flags & 0x0000ffff);
|
|
txbd->vlan_tag = (mss << TXD_MSS_SHIFT) | (vlan << TXD_VLAN_TAG_SHIFT);
|
|
}
|
|
|
|
static bool tg3_tx_frag_set(struct tg3_napi *tnapi, u32 *entry, u32 *budget,
|
|
dma_addr_t map, u32 len, u32 flags,
|
|
u32 mss, u32 vlan)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
bool hwbug = false;
|
|
|
|
if (tg3_flag(tp, SHORT_DMA_BUG) && len <= 8)
|
|
hwbug = true;
|
|
|
|
if (tg3_4g_overflow_test(map, len))
|
|
hwbug = true;
|
|
|
|
if (tg3_4g_tso_overflow_test(tp, map, len, mss))
|
|
hwbug = true;
|
|
|
|
if (tg3_40bit_overflow_test(tp, map, len))
|
|
hwbug = true;
|
|
|
|
if (tp->dma_limit) {
|
|
u32 prvidx = *entry;
|
|
u32 tmp_flag = flags & ~TXD_FLAG_END;
|
|
while (len > tp->dma_limit && *budget) {
|
|
u32 frag_len = tp->dma_limit;
|
|
len -= tp->dma_limit;
|
|
|
|
/* Avoid the 8byte DMA problem */
|
|
if (len <= 8) {
|
|
len += tp->dma_limit / 2;
|
|
frag_len = tp->dma_limit / 2;
|
|
}
|
|
|
|
tnapi->tx_buffers[*entry].fragmented = true;
|
|
|
|
tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
|
|
frag_len, tmp_flag, mss, vlan);
|
|
*budget -= 1;
|
|
prvidx = *entry;
|
|
*entry = NEXT_TX(*entry);
|
|
|
|
map += frag_len;
|
|
}
|
|
|
|
if (len) {
|
|
if (*budget) {
|
|
tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
|
|
len, flags, mss, vlan);
|
|
*budget -= 1;
|
|
*entry = NEXT_TX(*entry);
|
|
} else {
|
|
hwbug = true;
|
|
tnapi->tx_buffers[prvidx].fragmented = false;
|
|
}
|
|
}
|
|
} else {
|
|
tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
|
|
len, flags, mss, vlan);
|
|
*entry = NEXT_TX(*entry);
|
|
}
|
|
|
|
return hwbug;
|
|
}
|
|
|
|
static void tg3_tx_skb_unmap(struct tg3_napi *tnapi, u32 entry, int last)
|
|
{
|
|
int i;
|
|
struct sk_buff *skb;
|
|
struct tg3_tx_ring_info *txb = &tnapi->tx_buffers[entry];
|
|
|
|
skb = txb->skb;
|
|
txb->skb = NULL;
|
|
|
|
dma_unmap_single(&tnapi->tp->pdev->dev, dma_unmap_addr(txb, mapping),
|
|
skb_headlen(skb), DMA_TO_DEVICE);
|
|
|
|
while (txb->fragmented) {
|
|
txb->fragmented = false;
|
|
entry = NEXT_TX(entry);
|
|
txb = &tnapi->tx_buffers[entry];
|
|
}
|
|
|
|
for (i = 0; i <= last; i++) {
|
|
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
|
|
|
|
entry = NEXT_TX(entry);
|
|
txb = &tnapi->tx_buffers[entry];
|
|
|
|
dma_unmap_page(&tnapi->tp->pdev->dev,
|
|
dma_unmap_addr(txb, mapping),
|
|
skb_frag_size(frag), DMA_TO_DEVICE);
|
|
|
|
while (txb->fragmented) {
|
|
txb->fragmented = false;
|
|
entry = NEXT_TX(entry);
|
|
txb = &tnapi->tx_buffers[entry];
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Workaround 4GB and 40-bit hardware DMA bugs. */
|
|
static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
|
|
struct sk_buff **pskb,
|
|
u32 *entry, u32 *budget,
|
|
u32 base_flags, u32 mss, u32 vlan)
|
|
{
|
|
struct tg3 *tp = tnapi->tp;
|
|
struct sk_buff *new_skb, *skb = *pskb;
|
|
dma_addr_t new_addr = 0;
|
|
int ret = 0;
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5701)
|
|
new_skb = skb_copy(skb, GFP_ATOMIC);
|
|
else {
|
|
int more_headroom = 4 - ((unsigned long)skb->data & 3);
|
|
|
|
new_skb = skb_copy_expand(skb,
|
|
skb_headroom(skb) + more_headroom,
|
|
skb_tailroom(skb), GFP_ATOMIC);
|
|
}
|
|
|
|
if (!new_skb) {
|
|
ret = -1;
|
|
} else {
|
|
/* New SKB is guaranteed to be linear. */
|
|
new_addr = dma_map_single(&tp->pdev->dev, new_skb->data,
|
|
new_skb->len, DMA_TO_DEVICE);
|
|
/* Make sure the mapping succeeded */
|
|
if (dma_mapping_error(&tp->pdev->dev, new_addr)) {
|
|
dev_kfree_skb_any(new_skb);
|
|
ret = -1;
|
|
} else {
|
|
u32 save_entry = *entry;
|
|
|
|
base_flags |= TXD_FLAG_END;
|
|
|
|
tnapi->tx_buffers[*entry].skb = new_skb;
|
|
dma_unmap_addr_set(&tnapi->tx_buffers[*entry],
|
|
mapping, new_addr);
|
|
|
|
if (tg3_tx_frag_set(tnapi, entry, budget, new_addr,
|
|
new_skb->len, base_flags,
|
|
mss, vlan)) {
|
|
tg3_tx_skb_unmap(tnapi, save_entry, -1);
|
|
dev_kfree_skb_any(new_skb);
|
|
ret = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
dev_consume_skb_any(skb);
|
|
*pskb = new_skb;
|
|
return ret;
|
|
}
|
|
|
|
static bool tg3_tso_bug_gso_check(struct tg3_napi *tnapi, struct sk_buff *skb)
|
|
{
|
|
/* Check if we will never have enough descriptors,
|
|
* as gso_segs can be more than current ring size
|
|
*/
|
|
return skb_shinfo(skb)->gso_segs < tnapi->tx_pending / 3;
|
|
}
|
|
|
|
static netdev_tx_t tg3_start_xmit(struct sk_buff *, struct net_device *);
|
|
|
|
/* Use GSO to workaround all TSO packets that meet HW bug conditions
|
|
* indicated in tg3_tx_frag_set()
|
|
*/
|
|
static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi,
|
|
struct netdev_queue *txq, struct sk_buff *skb)
|
|
{
|
|
u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
|
|
struct sk_buff *segs, *seg, *next;
|
|
|
|
/* Estimate the number of fragments in the worst case */
|
|
if (unlikely(tg3_tx_avail(tnapi) <= frag_cnt_est)) {
|
|
netif_tx_stop_queue(txq);
|
|
|
|
/* netif_tx_stop_queue() must be done before checking
|
|
* checking tx index in tg3_tx_avail() below, because in
|
|
* tg3_tx(), we update tx index before checking for
|
|
* netif_tx_queue_stopped().
|
|
*/
|
|
smp_mb();
|
|
if (tg3_tx_avail(tnapi) <= frag_cnt_est)
|
|
return NETDEV_TX_BUSY;
|
|
|
|
netif_tx_wake_queue(txq);
|
|
}
|
|
|
|
segs = skb_gso_segment(skb, tp->dev->features &
|
|
~(NETIF_F_TSO | NETIF_F_TSO6));
|
|
if (IS_ERR(segs) || !segs)
|
|
goto tg3_tso_bug_end;
|
|
|
|
skb_list_walk_safe(segs, seg, next) {
|
|
skb_mark_not_on_list(seg);
|
|
tg3_start_xmit(seg, tp->dev);
|
|
}
|
|
|
|
tg3_tso_bug_end:
|
|
dev_consume_skb_any(skb);
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
/* hard_start_xmit for all devices */
|
|
static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 len, entry, base_flags, mss, vlan = 0;
|
|
u32 budget;
|
|
int i = -1, would_hit_hwbug;
|
|
dma_addr_t mapping;
|
|
struct tg3_napi *tnapi;
|
|
struct netdev_queue *txq;
|
|
unsigned int last;
|
|
struct iphdr *iph = NULL;
|
|
struct tcphdr *tcph = NULL;
|
|
__sum16 tcp_csum = 0, ip_csum = 0;
|
|
__be16 ip_tot_len = 0;
|
|
|
|
txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
|
|
tnapi = &tp->napi[skb_get_queue_mapping(skb)];
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
tnapi++;
|
|
|
|
budget = tg3_tx_avail(tnapi);
|
|
|
|
/* We are running in BH disabled context with netif_tx_lock
|
|
* and TX reclaim runs via tp->napi.poll inside of a software
|
|
* interrupt. Furthermore, IRQ processing runs lockless so we have
|
|
* no IRQ context deadlocks to worry about either. Rejoice!
|
|
*/
|
|
if (unlikely(budget <= (skb_shinfo(skb)->nr_frags + 1))) {
|
|
if (!netif_tx_queue_stopped(txq)) {
|
|
netif_tx_stop_queue(txq);
|
|
|
|
/* This is a hard error, log it. */
|
|
netdev_err(dev,
|
|
"BUG! Tx Ring full when queue awake!\n");
|
|
}
|
|
return NETDEV_TX_BUSY;
|
|
}
|
|
|
|
entry = tnapi->tx_prod;
|
|
base_flags = 0;
|
|
|
|
mss = skb_shinfo(skb)->gso_size;
|
|
if (mss) {
|
|
u32 tcp_opt_len, hdr_len;
|
|
|
|
if (skb_cow_head(skb, 0))
|
|
goto drop;
|
|
|
|
iph = ip_hdr(skb);
|
|
tcp_opt_len = tcp_optlen(skb);
|
|
|
|
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb) - ETH_HLEN;
|
|
|
|
/* HW/FW can not correctly segment packets that have been
|
|
* vlan encapsulated.
|
|
*/
|
|
if (skb->protocol == htons(ETH_P_8021Q) ||
|
|
skb->protocol == htons(ETH_P_8021AD)) {
|
|
if (tg3_tso_bug_gso_check(tnapi, skb))
|
|
return tg3_tso_bug(tp, tnapi, txq, skb);
|
|
goto drop;
|
|
}
|
|
|
|
if (!skb_is_gso_v6(skb)) {
|
|
if (unlikely((ETH_HLEN + hdr_len) > 80) &&
|
|
tg3_flag(tp, TSO_BUG)) {
|
|
if (tg3_tso_bug_gso_check(tnapi, skb))
|
|
return tg3_tso_bug(tp, tnapi, txq, skb);
|
|
goto drop;
|
|
}
|
|
ip_csum = iph->check;
|
|
ip_tot_len = iph->tot_len;
|
|
iph->check = 0;
|
|
iph->tot_len = htons(mss + hdr_len);
|
|
}
|
|
|
|
base_flags |= (TXD_FLAG_CPU_PRE_DMA |
|
|
TXD_FLAG_CPU_POST_DMA);
|
|
|
|
tcph = tcp_hdr(skb);
|
|
tcp_csum = tcph->check;
|
|
|
|
if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3)) {
|
|
tcph->check = 0;
|
|
base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
|
|
} else {
|
|
tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
|
|
0, IPPROTO_TCP, 0);
|
|
}
|
|
|
|
if (tg3_flag(tp, HW_TSO_3)) {
|
|
mss |= (hdr_len & 0xc) << 12;
|
|
if (hdr_len & 0x10)
|
|
base_flags |= 0x00000010;
|
|
base_flags |= (hdr_len & 0x3e0) << 5;
|
|
} else if (tg3_flag(tp, HW_TSO_2))
|
|
mss |= hdr_len << 9;
|
|
else if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
if (tcp_opt_len || iph->ihl > 5) {
|
|
int tsflags;
|
|
|
|
tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
|
|
mss |= (tsflags << 11);
|
|
}
|
|
} else {
|
|
if (tcp_opt_len || iph->ihl > 5) {
|
|
int tsflags;
|
|
|
|
tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
|
|
base_flags |= tsflags << 12;
|
|
}
|
|
}
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
/* HW/FW can not correctly checksum packets that have been
|
|
* vlan encapsulated.
|
|
*/
|
|
if (skb->protocol == htons(ETH_P_8021Q) ||
|
|
skb->protocol == htons(ETH_P_8021AD)) {
|
|
if (skb_checksum_help(skb))
|
|
goto drop;
|
|
} else {
|
|
base_flags |= TXD_FLAG_TCPUDP_CSUM;
|
|
}
|
|
}
|
|
|
|
if (tg3_flag(tp, USE_JUMBO_BDFLAG) &&
|
|
!mss && skb->len > VLAN_ETH_FRAME_LEN)
|
|
base_flags |= TXD_FLAG_JMB_PKT;
|
|
|
|
if (skb_vlan_tag_present(skb)) {
|
|
base_flags |= TXD_FLAG_VLAN;
|
|
vlan = skb_vlan_tag_get(skb);
|
|
}
|
|
|
|
if ((unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) &&
|
|
tg3_flag(tp, TX_TSTAMP_EN)) {
|
|
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
|
|
base_flags |= TXD_FLAG_HWTSTAMP;
|
|
}
|
|
|
|
len = skb_headlen(skb);
|
|
|
|
mapping = dma_map_single(&tp->pdev->dev, skb->data, len,
|
|
DMA_TO_DEVICE);
|
|
if (dma_mapping_error(&tp->pdev->dev, mapping))
|
|
goto drop;
|
|
|
|
|
|
tnapi->tx_buffers[entry].skb = skb;
|
|
dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
|
|
|
|
would_hit_hwbug = 0;
|
|
|
|
if (tg3_flag(tp, 5701_DMA_BUG))
|
|
would_hit_hwbug = 1;
|
|
|
|
if (tg3_tx_frag_set(tnapi, &entry, &budget, mapping, len, base_flags |
|
|
((skb_shinfo(skb)->nr_frags == 0) ? TXD_FLAG_END : 0),
|
|
mss, vlan)) {
|
|
would_hit_hwbug = 1;
|
|
} else if (skb_shinfo(skb)->nr_frags > 0) {
|
|
u32 tmp_mss = mss;
|
|
|
|
if (!tg3_flag(tp, HW_TSO_1) &&
|
|
!tg3_flag(tp, HW_TSO_2) &&
|
|
!tg3_flag(tp, HW_TSO_3))
|
|
tmp_mss = 0;
|
|
|
|
/* Now loop through additional data
|
|
* fragments, and queue them.
|
|
*/
|
|
last = skb_shinfo(skb)->nr_frags - 1;
|
|
for (i = 0; i <= last; i++) {
|
|
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
|
|
|
|
len = skb_frag_size(frag);
|
|
mapping = skb_frag_dma_map(&tp->pdev->dev, frag, 0,
|
|
len, DMA_TO_DEVICE);
|
|
|
|
tnapi->tx_buffers[entry].skb = NULL;
|
|
dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
|
|
mapping);
|
|
if (dma_mapping_error(&tp->pdev->dev, mapping))
|
|
goto dma_error;
|
|
|
|
if (!budget ||
|
|
tg3_tx_frag_set(tnapi, &entry, &budget, mapping,
|
|
len, base_flags |
|
|
((i == last) ? TXD_FLAG_END : 0),
|
|
tmp_mss, vlan)) {
|
|
would_hit_hwbug = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (would_hit_hwbug) {
|
|
tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, i);
|
|
|
|
if (mss && tg3_tso_bug_gso_check(tnapi, skb)) {
|
|
/* If it's a TSO packet, do GSO instead of
|
|
* allocating and copying to a large linear SKB
|
|
*/
|
|
if (ip_tot_len) {
|
|
iph->check = ip_csum;
|
|
iph->tot_len = ip_tot_len;
|
|
}
|
|
tcph->check = tcp_csum;
|
|
return tg3_tso_bug(tp, tnapi, txq, skb);
|
|
}
|
|
|
|
/* If the workaround fails due to memory/mapping
|
|
* failure, silently drop this packet.
|
|
*/
|
|
entry = tnapi->tx_prod;
|
|
budget = tg3_tx_avail(tnapi);
|
|
if (tigon3_dma_hwbug_workaround(tnapi, &skb, &entry, &budget,
|
|
base_flags, mss, vlan))
|
|
goto drop_nofree;
|
|
}
|
|
|
|
skb_tx_timestamp(skb);
|
|
netdev_tx_sent_queue(txq, skb->len);
|
|
|
|
/* Sync BD data before updating mailbox */
|
|
wmb();
|
|
|
|
tnapi->tx_prod = entry;
|
|
if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
|
|
netif_tx_stop_queue(txq);
|
|
|
|
/* netif_tx_stop_queue() must be done before checking
|
|
* checking tx index in tg3_tx_avail() below, because in
|
|
* tg3_tx(), we update tx index before checking for
|
|
* netif_tx_queue_stopped().
|
|
*/
|
|
smp_mb();
|
|
if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
|
|
netif_tx_wake_queue(txq);
|
|
}
|
|
|
|
if (!netdev_xmit_more() || netif_xmit_stopped(txq)) {
|
|
/* Packets are ready, update Tx producer idx on card. */
|
|
tw32_tx_mbox(tnapi->prodmbox, entry);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
|
|
dma_error:
|
|
tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, --i);
|
|
tnapi->tx_buffers[tnapi->tx_prod].skb = NULL;
|
|
drop:
|
|
dev_kfree_skb_any(skb);
|
|
drop_nofree:
|
|
tp->tx_dropped++;
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
static void tg3_mac_loopback(struct tg3 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
tp->mac_mode &= ~(MAC_MODE_HALF_DUPLEX |
|
|
MAC_MODE_PORT_MODE_MASK);
|
|
|
|
tp->mac_mode |= MAC_MODE_PORT_INT_LPBACK;
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tp->mac_mode |= MAC_MODE_LINK_POLARITY;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
else
|
|
tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
} else {
|
|
tp->mac_mode &= ~MAC_MODE_PORT_INT_LPBACK;
|
|
|
|
if (tg3_flag(tp, 5705_PLUS) ||
|
|
(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5700)
|
|
tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
|
|
}
|
|
|
|
tw32(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
}
|
|
|
|
static int tg3_phy_lpbk_set(struct tg3 *tp, u32 speed, bool extlpbk)
|
|
{
|
|
u32 val, bmcr, mac_mode, ptest = 0;
|
|
|
|
tg3_phy_toggle_apd(tp, false);
|
|
tg3_phy_toggle_automdix(tp, false);
|
|
|
|
if (extlpbk && tg3_phy_set_extloopbk(tp))
|
|
return -EIO;
|
|
|
|
bmcr = BMCR_FULLDPLX;
|
|
switch (speed) {
|
|
case SPEED_10:
|
|
break;
|
|
case SPEED_100:
|
|
bmcr |= BMCR_SPEED100;
|
|
break;
|
|
case SPEED_1000:
|
|
default:
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
|
|
speed = SPEED_100;
|
|
bmcr |= BMCR_SPEED100;
|
|
} else {
|
|
speed = SPEED_1000;
|
|
bmcr |= BMCR_SPEED1000;
|
|
}
|
|
}
|
|
|
|
if (extlpbk) {
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
|
|
tg3_readphy(tp, MII_CTRL1000, &val);
|
|
val |= CTL1000_AS_MASTER |
|
|
CTL1000_ENABLE_MASTER;
|
|
tg3_writephy(tp, MII_CTRL1000, val);
|
|
} else {
|
|
ptest = MII_TG3_FET_PTEST_TRIM_SEL |
|
|
MII_TG3_FET_PTEST_TRIM_2;
|
|
tg3_writephy(tp, MII_TG3_FET_PTEST, ptest);
|
|
}
|
|
} else
|
|
bmcr |= BMCR_LOOPBACK;
|
|
|
|
tg3_writephy(tp, MII_BMCR, bmcr);
|
|
|
|
/* The write needs to be flushed for the FETs */
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_FET)
|
|
tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
|
|
udelay(40);
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5785) {
|
|
tg3_writephy(tp, MII_TG3_FET_PTEST, ptest |
|
|
MII_TG3_FET_PTEST_FRC_TX_LINK |
|
|
MII_TG3_FET_PTEST_FRC_TX_LOCK);
|
|
|
|
/* The write needs to be flushed for the AC131 */
|
|
tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
|
|
}
|
|
|
|
/* Reset to prevent losing 1st rx packet intermittently */
|
|
if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
tw32_f(MAC_RX_MODE, RX_MODE_RESET);
|
|
udelay(10);
|
|
tw32_f(MAC_RX_MODE, tp->rx_mode);
|
|
}
|
|
|
|
mac_mode = tp->mac_mode &
|
|
~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
|
|
if (speed == SPEED_1000)
|
|
mac_mode |= MAC_MODE_PORT_MODE_GMII;
|
|
else
|
|
mac_mode |= MAC_MODE_PORT_MODE_MII;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700) {
|
|
u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
|
|
|
|
if (masked_phy_id == TG3_PHY_ID_BCM5401)
|
|
mac_mode &= ~MAC_MODE_LINK_POLARITY;
|
|
else if (masked_phy_id == TG3_PHY_ID_BCM5411)
|
|
mac_mode |= MAC_MODE_LINK_POLARITY;
|
|
|
|
tg3_writephy(tp, MII_TG3_EXT_CTRL,
|
|
MII_TG3_EXT_CTRL_LNK3_LED_MODE);
|
|
}
|
|
|
|
tw32(MAC_MODE, mac_mode);
|
|
udelay(40);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_set_loopback(struct net_device *dev, netdev_features_t features)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (features & NETIF_F_LOOPBACK) {
|
|
if (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)
|
|
return;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
tg3_mac_loopback(tp, true);
|
|
netif_carrier_on(tp->dev);
|
|
spin_unlock_bh(&tp->lock);
|
|
netdev_info(dev, "Internal MAC loopback mode enabled.\n");
|
|
} else {
|
|
if (!(tp->mac_mode & MAC_MODE_PORT_INT_LPBACK))
|
|
return;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
tg3_mac_loopback(tp, false);
|
|
/* Force link status check */
|
|
tg3_setup_phy(tp, true);
|
|
spin_unlock_bh(&tp->lock);
|
|
netdev_info(dev, "Internal MAC loopback mode disabled.\n");
|
|
}
|
|
}
|
|
|
|
static netdev_features_t tg3_fix_features(struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (dev->mtu > ETH_DATA_LEN && tg3_flag(tp, 5780_CLASS))
|
|
features &= ~NETIF_F_ALL_TSO;
|
|
|
|
return features;
|
|
}
|
|
|
|
static int tg3_set_features(struct net_device *dev, netdev_features_t features)
|
|
{
|
|
netdev_features_t changed = dev->features ^ features;
|
|
|
|
if ((changed & NETIF_F_LOOPBACK) && netif_running(dev))
|
|
tg3_set_loopback(dev, features);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_rx_prodring_free(struct tg3 *tp,
|
|
struct tg3_rx_prodring_set *tpr)
|
|
{
|
|
int i;
|
|
|
|
if (tpr != &tp->napi[0].prodring) {
|
|
for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
|
|
i = (i + 1) & tp->rx_std_ring_mask)
|
|
tg3_rx_data_free(tp, &tpr->rx_std_buffers[i],
|
|
tp->rx_pkt_map_sz);
|
|
|
|
if (tg3_flag(tp, JUMBO_CAPABLE)) {
|
|
for (i = tpr->rx_jmb_cons_idx;
|
|
i != tpr->rx_jmb_prod_idx;
|
|
i = (i + 1) & tp->rx_jmb_ring_mask) {
|
|
tg3_rx_data_free(tp, &tpr->rx_jmb_buffers[i],
|
|
TG3_RX_JMB_MAP_SZ);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i <= tp->rx_std_ring_mask; i++)
|
|
tg3_rx_data_free(tp, &tpr->rx_std_buffers[i],
|
|
tp->rx_pkt_map_sz);
|
|
|
|
if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) {
|
|
for (i = 0; i <= tp->rx_jmb_ring_mask; i++)
|
|
tg3_rx_data_free(tp, &tpr->rx_jmb_buffers[i],
|
|
TG3_RX_JMB_MAP_SZ);
|
|
}
|
|
}
|
|
|
|
/* Initialize rx rings for packet processing.
|
|
*
|
|
* The chip has been shut down and the driver detached from
|
|
* the networking, so no interrupts or new tx packets will
|
|
* end up in the driver. tp->{tx,}lock are held and thus
|
|
* we may not sleep.
|
|
*/
|
|
static int tg3_rx_prodring_alloc(struct tg3 *tp,
|
|
struct tg3_rx_prodring_set *tpr)
|
|
{
|
|
u32 i, rx_pkt_dma_sz;
|
|
|
|
tpr->rx_std_cons_idx = 0;
|
|
tpr->rx_std_prod_idx = 0;
|
|
tpr->rx_jmb_cons_idx = 0;
|
|
tpr->rx_jmb_prod_idx = 0;
|
|
|
|
if (tpr != &tp->napi[0].prodring) {
|
|
memset(&tpr->rx_std_buffers[0], 0,
|
|
TG3_RX_STD_BUFF_RING_SIZE(tp));
|
|
if (tpr->rx_jmb_buffers)
|
|
memset(&tpr->rx_jmb_buffers[0], 0,
|
|
TG3_RX_JMB_BUFF_RING_SIZE(tp));
|
|
goto done;
|
|
}
|
|
|
|
/* Zero out all descriptors. */
|
|
memset(tpr->rx_std, 0, TG3_RX_STD_RING_BYTES(tp));
|
|
|
|
rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
|
|
if (tg3_flag(tp, 5780_CLASS) &&
|
|
tp->dev->mtu > ETH_DATA_LEN)
|
|
rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
|
|
tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
|
|
|
|
/* Initialize invariants of the rings, we only set this
|
|
* stuff once. This works because the card does not
|
|
* write into the rx buffer posting rings.
|
|
*/
|
|
for (i = 0; i <= tp->rx_std_ring_mask; i++) {
|
|
struct tg3_rx_buffer_desc *rxd;
|
|
|
|
rxd = &tpr->rx_std[i];
|
|
rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
|
|
rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
|
|
rxd->opaque = (RXD_OPAQUE_RING_STD |
|
|
(i << RXD_OPAQUE_INDEX_SHIFT));
|
|
}
|
|
|
|
/* Now allocate fresh SKBs for each rx ring. */
|
|
for (i = 0; i < tp->rx_pending; i++) {
|
|
unsigned int frag_size;
|
|
|
|
if (tg3_alloc_rx_data(tp, tpr, RXD_OPAQUE_RING_STD, i,
|
|
&frag_size) < 0) {
|
|
netdev_warn(tp->dev,
|
|
"Using a smaller RX standard ring. Only "
|
|
"%d out of %d buffers were allocated "
|
|
"successfully\n", i, tp->rx_pending);
|
|
if (i == 0)
|
|
goto initfail;
|
|
tp->rx_pending = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS))
|
|
goto done;
|
|
|
|
memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp));
|
|
|
|
if (!tg3_flag(tp, JUMBO_RING_ENABLE))
|
|
goto done;
|
|
|
|
for (i = 0; i <= tp->rx_jmb_ring_mask; i++) {
|
|
struct tg3_rx_buffer_desc *rxd;
|
|
|
|
rxd = &tpr->rx_jmb[i].std;
|
|
rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
|
|
rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
|
|
RXD_FLAG_JUMBO;
|
|
rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
|
|
(i << RXD_OPAQUE_INDEX_SHIFT));
|
|
}
|
|
|
|
for (i = 0; i < tp->rx_jumbo_pending; i++) {
|
|
unsigned int frag_size;
|
|
|
|
if (tg3_alloc_rx_data(tp, tpr, RXD_OPAQUE_RING_JUMBO, i,
|
|
&frag_size) < 0) {
|
|
netdev_warn(tp->dev,
|
|
"Using a smaller RX jumbo ring. Only %d "
|
|
"out of %d buffers were allocated "
|
|
"successfully\n", i, tp->rx_jumbo_pending);
|
|
if (i == 0)
|
|
goto initfail;
|
|
tp->rx_jumbo_pending = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
done:
|
|
return 0;
|
|
|
|
initfail:
|
|
tg3_rx_prodring_free(tp, tpr);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static void tg3_rx_prodring_fini(struct tg3 *tp,
|
|
struct tg3_rx_prodring_set *tpr)
|
|
{
|
|
kfree(tpr->rx_std_buffers);
|
|
tpr->rx_std_buffers = NULL;
|
|
kfree(tpr->rx_jmb_buffers);
|
|
tpr->rx_jmb_buffers = NULL;
|
|
if (tpr->rx_std) {
|
|
dma_free_coherent(&tp->pdev->dev, TG3_RX_STD_RING_BYTES(tp),
|
|
tpr->rx_std, tpr->rx_std_mapping);
|
|
tpr->rx_std = NULL;
|
|
}
|
|
if (tpr->rx_jmb) {
|
|
dma_free_coherent(&tp->pdev->dev, TG3_RX_JMB_RING_BYTES(tp),
|
|
tpr->rx_jmb, tpr->rx_jmb_mapping);
|
|
tpr->rx_jmb = NULL;
|
|
}
|
|
}
|
|
|
|
static int tg3_rx_prodring_init(struct tg3 *tp,
|
|
struct tg3_rx_prodring_set *tpr)
|
|
{
|
|
tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE(tp),
|
|
GFP_KERNEL);
|
|
if (!tpr->rx_std_buffers)
|
|
return -ENOMEM;
|
|
|
|
tpr->rx_std = dma_alloc_coherent(&tp->pdev->dev,
|
|
TG3_RX_STD_RING_BYTES(tp),
|
|
&tpr->rx_std_mapping,
|
|
GFP_KERNEL);
|
|
if (!tpr->rx_std)
|
|
goto err_out;
|
|
|
|
if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) {
|
|
tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp),
|
|
GFP_KERNEL);
|
|
if (!tpr->rx_jmb_buffers)
|
|
goto err_out;
|
|
|
|
tpr->rx_jmb = dma_alloc_coherent(&tp->pdev->dev,
|
|
TG3_RX_JMB_RING_BYTES(tp),
|
|
&tpr->rx_jmb_mapping,
|
|
GFP_KERNEL);
|
|
if (!tpr->rx_jmb)
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
tg3_rx_prodring_fini(tp, tpr);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Free up pending packets in all rx/tx rings.
|
|
*
|
|
* The chip has been shut down and the driver detached from
|
|
* the networking, so no interrupts or new tx packets will
|
|
* end up in the driver. tp->{tx,}lock is not held and we are not
|
|
* in an interrupt context and thus may sleep.
|
|
*/
|
|
static void tg3_free_rings(struct tg3 *tp)
|
|
{
|
|
int i, j;
|
|
|
|
for (j = 0; j < tp->irq_cnt; j++) {
|
|
struct tg3_napi *tnapi = &tp->napi[j];
|
|
|
|
tg3_rx_prodring_free(tp, &tnapi->prodring);
|
|
|
|
if (!tnapi->tx_buffers)
|
|
continue;
|
|
|
|
for (i = 0; i < TG3_TX_RING_SIZE; i++) {
|
|
struct sk_buff *skb = tnapi->tx_buffers[i].skb;
|
|
|
|
if (!skb)
|
|
continue;
|
|
|
|
tg3_tx_skb_unmap(tnapi, i,
|
|
skb_shinfo(skb)->nr_frags - 1);
|
|
|
|
dev_consume_skb_any(skb);
|
|
}
|
|
netdev_tx_reset_queue(netdev_get_tx_queue(tp->dev, j));
|
|
}
|
|
}
|
|
|
|
/* Initialize tx/rx rings for packet processing.
|
|
*
|
|
* The chip has been shut down and the driver detached from
|
|
* the networking, so no interrupts or new tx packets will
|
|
* end up in the driver. tp->{tx,}lock are held and thus
|
|
* we may not sleep.
|
|
*/
|
|
static int tg3_init_rings(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
/* Free up all the SKBs. */
|
|
tg3_free_rings(tp);
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
tnapi->last_tag = 0;
|
|
tnapi->last_irq_tag = 0;
|
|
tnapi->hw_status->status = 0;
|
|
tnapi->hw_status->status_tag = 0;
|
|
memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
|
|
|
|
tnapi->tx_prod = 0;
|
|
tnapi->tx_cons = 0;
|
|
if (tnapi->tx_ring)
|
|
memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
|
|
|
|
tnapi->rx_rcb_ptr = 0;
|
|
if (tnapi->rx_rcb)
|
|
memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
|
|
|
|
if (tnapi->prodring.rx_std &&
|
|
tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
|
|
tg3_free_rings(tp);
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_mem_tx_release(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tp->irq_max; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (tnapi->tx_ring) {
|
|
dma_free_coherent(&tp->pdev->dev, TG3_TX_RING_BYTES,
|
|
tnapi->tx_ring, tnapi->tx_desc_mapping);
|
|
tnapi->tx_ring = NULL;
|
|
}
|
|
|
|
kfree(tnapi->tx_buffers);
|
|
tnapi->tx_buffers = NULL;
|
|
}
|
|
}
|
|
|
|
static int tg3_mem_tx_acquire(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
struct tg3_napi *tnapi = &tp->napi[0];
|
|
|
|
/* If multivector TSS is enabled, vector 0 does not handle
|
|
* tx interrupts. Don't allocate any resources for it.
|
|
*/
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
tnapi++;
|
|
|
|
for (i = 0; i < tp->txq_cnt; i++, tnapi++) {
|
|
tnapi->tx_buffers = kcalloc(TG3_TX_RING_SIZE,
|
|
sizeof(struct tg3_tx_ring_info),
|
|
GFP_KERNEL);
|
|
if (!tnapi->tx_buffers)
|
|
goto err_out;
|
|
|
|
tnapi->tx_ring = dma_alloc_coherent(&tp->pdev->dev,
|
|
TG3_TX_RING_BYTES,
|
|
&tnapi->tx_desc_mapping,
|
|
GFP_KERNEL);
|
|
if (!tnapi->tx_ring)
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
tg3_mem_tx_release(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static void tg3_mem_rx_release(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tp->irq_max; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
tg3_rx_prodring_fini(tp, &tnapi->prodring);
|
|
|
|
if (!tnapi->rx_rcb)
|
|
continue;
|
|
|
|
dma_free_coherent(&tp->pdev->dev,
|
|
TG3_RX_RCB_RING_BYTES(tp),
|
|
tnapi->rx_rcb,
|
|
tnapi->rx_rcb_mapping);
|
|
tnapi->rx_rcb = NULL;
|
|
}
|
|
}
|
|
|
|
static int tg3_mem_rx_acquire(struct tg3 *tp)
|
|
{
|
|
unsigned int i, limit;
|
|
|
|
limit = tp->rxq_cnt;
|
|
|
|
/* If RSS is enabled, we need a (dummy) producer ring
|
|
* set on vector zero. This is the true hw prodring.
|
|
*/
|
|
if (tg3_flag(tp, ENABLE_RSS))
|
|
limit++;
|
|
|
|
for (i = 0; i < limit; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (tg3_rx_prodring_init(tp, &tnapi->prodring))
|
|
goto err_out;
|
|
|
|
/* If multivector RSS is enabled, vector 0
|
|
* does not handle rx or tx interrupts.
|
|
* Don't allocate any resources for it.
|
|
*/
|
|
if (!i && tg3_flag(tp, ENABLE_RSS))
|
|
continue;
|
|
|
|
tnapi->rx_rcb = dma_alloc_coherent(&tp->pdev->dev,
|
|
TG3_RX_RCB_RING_BYTES(tp),
|
|
&tnapi->rx_rcb_mapping,
|
|
GFP_KERNEL);
|
|
if (!tnapi->rx_rcb)
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
tg3_mem_rx_release(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* Must not be invoked with interrupt sources disabled and
|
|
* the hardware shutdown down.
|
|
*/
|
|
static void tg3_free_consistent(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (tnapi->hw_status) {
|
|
dma_free_coherent(&tp->pdev->dev, TG3_HW_STATUS_SIZE,
|
|
tnapi->hw_status,
|
|
tnapi->status_mapping);
|
|
tnapi->hw_status = NULL;
|
|
}
|
|
}
|
|
|
|
tg3_mem_rx_release(tp);
|
|
tg3_mem_tx_release(tp);
|
|
|
|
/* tp->hw_stats can be referenced safely:
|
|
* 1. under rtnl_lock
|
|
* 2. or under tp->lock if TG3_FLAG_INIT_COMPLETE is set.
|
|
*/
|
|
if (tp->hw_stats) {
|
|
dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats),
|
|
tp->hw_stats, tp->stats_mapping);
|
|
tp->hw_stats = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Must not be invoked with interrupt sources disabled and
|
|
* the hardware shutdown down. Can sleep.
|
|
*/
|
|
static int tg3_alloc_consistent(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
tp->hw_stats = dma_alloc_coherent(&tp->pdev->dev,
|
|
sizeof(struct tg3_hw_stats),
|
|
&tp->stats_mapping, GFP_KERNEL);
|
|
if (!tp->hw_stats)
|
|
goto err_out;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
struct tg3_hw_status *sblk;
|
|
|
|
tnapi->hw_status = dma_alloc_coherent(&tp->pdev->dev,
|
|
TG3_HW_STATUS_SIZE,
|
|
&tnapi->status_mapping,
|
|
GFP_KERNEL);
|
|
if (!tnapi->hw_status)
|
|
goto err_out;
|
|
|
|
sblk = tnapi->hw_status;
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS)) {
|
|
u16 *prodptr = NULL;
|
|
|
|
/*
|
|
* When RSS is enabled, the status block format changes
|
|
* slightly. The "rx_jumbo_consumer", "reserved",
|
|
* and "rx_mini_consumer" members get mapped to the
|
|
* other three rx return ring producer indexes.
|
|
*/
|
|
switch (i) {
|
|
case 1:
|
|
prodptr = &sblk->idx[0].rx_producer;
|
|
break;
|
|
case 2:
|
|
prodptr = &sblk->rx_jumbo_consumer;
|
|
break;
|
|
case 3:
|
|
prodptr = &sblk->reserved;
|
|
break;
|
|
case 4:
|
|
prodptr = &sblk->rx_mini_consumer;
|
|
break;
|
|
}
|
|
tnapi->rx_rcb_prod_idx = prodptr;
|
|
} else {
|
|
tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
|
|
}
|
|
}
|
|
|
|
if (tg3_mem_tx_acquire(tp) || tg3_mem_rx_acquire(tp))
|
|
goto err_out;
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
tg3_free_consistent(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
#define MAX_WAIT_CNT 1000
|
|
|
|
/* To stop a block, clear the enable bit and poll till it
|
|
* clears. tp->lock is held.
|
|
*/
|
|
static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, bool silent)
|
|
{
|
|
unsigned int i;
|
|
u32 val;
|
|
|
|
if (tg3_flag(tp, 5705_PLUS)) {
|
|
switch (ofs) {
|
|
case RCVLSC_MODE:
|
|
case DMAC_MODE:
|
|
case MBFREE_MODE:
|
|
case BUFMGR_MODE:
|
|
case MEMARB_MODE:
|
|
/* We can't enable/disable these bits of the
|
|
* 5705/5750, just say success.
|
|
*/
|
|
return 0;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
val = tr32(ofs);
|
|
val &= ~enable_bit;
|
|
tw32_f(ofs, val);
|
|
|
|
for (i = 0; i < MAX_WAIT_CNT; i++) {
|
|
if (pci_channel_offline(tp->pdev)) {
|
|
dev_err(&tp->pdev->dev,
|
|
"tg3_stop_block device offline, "
|
|
"ofs=%lx enable_bit=%x\n",
|
|
ofs, enable_bit);
|
|
return -ENODEV;
|
|
}
|
|
|
|
udelay(100);
|
|
val = tr32(ofs);
|
|
if ((val & enable_bit) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i == MAX_WAIT_CNT && !silent) {
|
|
dev_err(&tp->pdev->dev,
|
|
"tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
|
|
ofs, enable_bit);
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_abort_hw(struct tg3 *tp, bool silent)
|
|
{
|
|
int i, err;
|
|
|
|
tg3_disable_ints(tp);
|
|
|
|
if (pci_channel_offline(tp->pdev)) {
|
|
tp->rx_mode &= ~(RX_MODE_ENABLE | TX_MODE_ENABLE);
|
|
tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
|
|
err = -ENODEV;
|
|
goto err_no_dev;
|
|
}
|
|
|
|
tp->rx_mode &= ~RX_MODE_ENABLE;
|
|
tw32_f(MAC_RX_MODE, tp->rx_mode);
|
|
udelay(10);
|
|
|
|
err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
|
|
|
|
err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
|
|
|
|
tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
|
|
tp->tx_mode &= ~TX_MODE_ENABLE;
|
|
tw32_f(MAC_TX_MODE, tp->tx_mode);
|
|
|
|
for (i = 0; i < MAX_WAIT_CNT; i++) {
|
|
udelay(100);
|
|
if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
|
|
break;
|
|
}
|
|
if (i >= MAX_WAIT_CNT) {
|
|
dev_err(&tp->pdev->dev,
|
|
"%s timed out, TX_MODE_ENABLE will not clear "
|
|
"MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE));
|
|
err |= -ENODEV;
|
|
}
|
|
|
|
err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
|
|
|
|
tw32(FTQ_RESET, 0xffffffff);
|
|
tw32(FTQ_RESET, 0x00000000);
|
|
|
|
err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
|
|
err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
|
|
|
|
err_no_dev:
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
if (tnapi->hw_status)
|
|
memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
/* Save PCI command register before chip reset */
|
|
static void tg3_save_pci_state(struct tg3 *tp)
|
|
{
|
|
pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
|
|
}
|
|
|
|
/* Restore PCI state after chip reset */
|
|
static void tg3_restore_pci_state(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
/* Re-enable indirect register accesses. */
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
|
|
tp->misc_host_ctrl);
|
|
|
|
/* Set MAX PCI retry to zero. */
|
|
val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0 &&
|
|
tg3_flag(tp, PCIX_MODE))
|
|
val |= PCISTATE_RETRY_SAME_DMA;
|
|
/* Allow reads and writes to the APE register and memory space. */
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
|
|
PCISTATE_ALLOW_APE_SHMEM_WR |
|
|
PCISTATE_ALLOW_APE_PSPACE_WR;
|
|
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
|
|
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
|
|
|
|
if (!tg3_flag(tp, PCI_EXPRESS)) {
|
|
pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
|
|
tp->pci_cacheline_sz);
|
|
pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
|
|
tp->pci_lat_timer);
|
|
}
|
|
|
|
/* Make sure PCI-X relaxed ordering bit is clear. */
|
|
if (tg3_flag(tp, PCIX_MODE)) {
|
|
u16 pcix_cmd;
|
|
|
|
pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
|
|
&pcix_cmd);
|
|
pcix_cmd &= ~PCI_X_CMD_ERO;
|
|
pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
|
|
pcix_cmd);
|
|
}
|
|
|
|
if (tg3_flag(tp, 5780_CLASS)) {
|
|
|
|
/* Chip reset on 5780 will reset MSI enable bit,
|
|
* so need to restore it.
|
|
*/
|
|
if (tg3_flag(tp, USING_MSI)) {
|
|
u16 ctrl;
|
|
|
|
pci_read_config_word(tp->pdev,
|
|
tp->msi_cap + PCI_MSI_FLAGS,
|
|
&ctrl);
|
|
pci_write_config_word(tp->pdev,
|
|
tp->msi_cap + PCI_MSI_FLAGS,
|
|
ctrl | PCI_MSI_FLAGS_ENABLE);
|
|
val = tr32(MSGINT_MODE);
|
|
tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tg3_override_clk(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
switch (tg3_asic_rev(tp)) {
|
|
case ASIC_REV_5717:
|
|
val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
|
|
tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val |
|
|
TG3_CPMU_MAC_ORIDE_ENABLE);
|
|
break;
|
|
|
|
case ASIC_REV_5719:
|
|
case ASIC_REV_5720:
|
|
tw32(TG3_CPMU_CLCK_ORIDE, CPMU_CLCK_ORIDE_MAC_ORIDE_EN);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void tg3_restore_clk(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
switch (tg3_asic_rev(tp)) {
|
|
case ASIC_REV_5717:
|
|
val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
|
|
tw32(TG3_CPMU_CLCK_ORIDE_ENABLE,
|
|
val & ~TG3_CPMU_MAC_ORIDE_ENABLE);
|
|
break;
|
|
|
|
case ASIC_REV_5719:
|
|
case ASIC_REV_5720:
|
|
val = tr32(TG3_CPMU_CLCK_ORIDE);
|
|
tw32(TG3_CPMU_CLCK_ORIDE, val & ~CPMU_CLCK_ORIDE_MAC_ORIDE_EN);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_chip_reset(struct tg3 *tp)
|
|
__releases(tp->lock)
|
|
__acquires(tp->lock)
|
|
{
|
|
u32 val;
|
|
void (*write_op)(struct tg3 *, u32, u32);
|
|
int i, err;
|
|
|
|
if (!pci_device_is_present(tp->pdev))
|
|
return -ENODEV;
|
|
|
|
tg3_nvram_lock(tp);
|
|
|
|
tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
|
|
|
|
/* No matching tg3_nvram_unlock() after this because
|
|
* chip reset below will undo the nvram lock.
|
|
*/
|
|
tp->nvram_lock_cnt = 0;
|
|
|
|
/* GRC_MISC_CFG core clock reset will clear the memory
|
|
* enable bit in PCI register 4 and the MSI enable bit
|
|
* on some chips, so we save relevant registers here.
|
|
*/
|
|
tg3_save_pci_state(tp);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5752 ||
|
|
tg3_flag(tp, 5755_PLUS))
|
|
tw32(GRC_FASTBOOT_PC, 0);
|
|
|
|
/*
|
|
* We must avoid the readl() that normally takes place.
|
|
* It locks machines, causes machine checks, and other
|
|
* fun things. So, temporarily disable the 5701
|
|
* hardware workaround, while we do the reset.
|
|
*/
|
|
write_op = tp->write32;
|
|
if (write_op == tg3_write_flush_reg32)
|
|
tp->write32 = tg3_write32;
|
|
|
|
/* Prevent the irq handler from reading or writing PCI registers
|
|
* during chip reset when the memory enable bit in the PCI command
|
|
* register may be cleared. The chip does not generate interrupt
|
|
* at this time, but the irq handler may still be called due to irq
|
|
* sharing or irqpoll.
|
|
*/
|
|
tg3_flag_set(tp, CHIP_RESETTING);
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
if (tnapi->hw_status) {
|
|
tnapi->hw_status->status = 0;
|
|
tnapi->hw_status->status_tag = 0;
|
|
}
|
|
tnapi->last_tag = 0;
|
|
tnapi->last_irq_tag = 0;
|
|
}
|
|
smp_mb();
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++)
|
|
synchronize_irq(tp->napi[i].irq_vec);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57780) {
|
|
val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
|
|
tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
|
|
}
|
|
|
|
/* do the reset */
|
|
val = GRC_MISC_CFG_CORECLK_RESET;
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
/* Force PCIe 1.0a mode */
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5785 &&
|
|
!tg3_flag(tp, 57765_PLUS) &&
|
|
tr32(TG3_PCIE_PHY_TSTCTL) ==
|
|
(TG3_PCIE_PHY_TSTCTL_PCIE10 | TG3_PCIE_PHY_TSTCTL_PSCRAM))
|
|
tw32(TG3_PCIE_PHY_TSTCTL, TG3_PCIE_PHY_TSTCTL_PSCRAM);
|
|
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0) {
|
|
tw32(GRC_MISC_CFG, (1 << 29));
|
|
val |= (1 << 29);
|
|
}
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
|
|
tw32(GRC_VCPU_EXT_CTRL,
|
|
tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
|
|
}
|
|
|
|
/* Set the clock to the highest frequency to avoid timeouts. With link
|
|
* aware mode, the clock speed could be slow and bootcode does not
|
|
* complete within the expected time. Override the clock to allow the
|
|
* bootcode to finish sooner and then restore it.
|
|
*/
|
|
tg3_override_clk(tp);
|
|
|
|
/* Manage gphy power for all CPMU absent PCIe devices. */
|
|
if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, CPMU_PRESENT))
|
|
val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
|
|
|
|
tw32(GRC_MISC_CFG, val);
|
|
|
|
/* restore 5701 hardware bug workaround write method */
|
|
tp->write32 = write_op;
|
|
|
|
/* Unfortunately, we have to delay before the PCI read back.
|
|
* Some 575X chips even will not respond to a PCI cfg access
|
|
* when the reset command is given to the chip.
|
|
*
|
|
* How do these hardware designers expect things to work
|
|
* properly if the PCI write is posted for a long period
|
|
* of time? It is always necessary to have some method by
|
|
* which a register read back can occur to push the write
|
|
* out which does the reset.
|
|
*
|
|
* For most tg3 variants the trick below was working.
|
|
* Ho hum...
|
|
*/
|
|
udelay(120);
|
|
|
|
/* Flush PCI posted writes. The normal MMIO registers
|
|
* are inaccessible at this time so this is the only
|
|
* way to make this reliably (actually, this is no longer
|
|
* the case, see above). I tried to use indirect
|
|
* register read/write but this upset some 5701 variants.
|
|
*/
|
|
pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
|
|
|
|
udelay(120);
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS) && pci_is_pcie(tp->pdev)) {
|
|
u16 val16;
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A0) {
|
|
int j;
|
|
u32 cfg_val;
|
|
|
|
/* Wait for link training to complete. */
|
|
for (j = 0; j < 5000; j++)
|
|
udelay(100);
|
|
|
|
pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
|
|
pci_write_config_dword(tp->pdev, 0xc4,
|
|
cfg_val | (1 << 15));
|
|
}
|
|
|
|
/* Clear the "no snoop" and "relaxed ordering" bits. */
|
|
val16 = PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN;
|
|
/*
|
|
* Older PCIe devices only support the 128 byte
|
|
* MPS setting. Enforce the restriction.
|
|
*/
|
|
if (!tg3_flag(tp, CPMU_PRESENT))
|
|
val16 |= PCI_EXP_DEVCTL_PAYLOAD;
|
|
pcie_capability_clear_word(tp->pdev, PCI_EXP_DEVCTL, val16);
|
|
|
|
/* Clear error status */
|
|
pcie_capability_write_word(tp->pdev, PCI_EXP_DEVSTA,
|
|
PCI_EXP_DEVSTA_CED |
|
|
PCI_EXP_DEVSTA_NFED |
|
|
PCI_EXP_DEVSTA_FED |
|
|
PCI_EXP_DEVSTA_URD);
|
|
}
|
|
|
|
tg3_restore_pci_state(tp);
|
|
|
|
tg3_flag_clear(tp, CHIP_RESETTING);
|
|
tg3_flag_clear(tp, ERROR_PROCESSED);
|
|
|
|
val = 0;
|
|
if (tg3_flag(tp, 5780_CLASS))
|
|
val = tr32(MEMARB_MODE);
|
|
tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A3) {
|
|
tg3_stop_fw(tp);
|
|
tw32(0x5000, 0x400);
|
|
}
|
|
|
|
if (tg3_flag(tp, IS_SSB_CORE)) {
|
|
/*
|
|
* BCM4785: In order to avoid repercussions from using
|
|
* potentially defective internal ROM, stop the Rx RISC CPU,
|
|
* which is not required.
|
|
*/
|
|
tg3_stop_fw(tp);
|
|
tg3_halt_cpu(tp, RX_CPU_BASE);
|
|
}
|
|
|
|
err = tg3_poll_fw(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tw32(GRC_MODE, tp->grc_mode);
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A0) {
|
|
val = tr32(0xc4);
|
|
|
|
tw32(0xc4, val | (1 << 15));
|
|
}
|
|
|
|
if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A0)
|
|
tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
|
|
tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
|
|
}
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
|
|
tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
|
|
val = tp->mac_mode;
|
|
} else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
|
|
tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
|
|
val = tp->mac_mode;
|
|
} else
|
|
val = 0;
|
|
|
|
tw32_f(MAC_MODE, val);
|
|
udelay(40);
|
|
|
|
tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
|
|
|
|
tg3_mdio_start(tp);
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS) &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5785 &&
|
|
!tg3_flag(tp, 57765_PLUS)) {
|
|
val = tr32(0x7c00);
|
|
|
|
tw32(0x7c00, val | (1 << 25));
|
|
}
|
|
|
|
tg3_restore_clk(tp);
|
|
|
|
/* Increase the core clock speed to fix tx timeout issue for 5762
|
|
* with 100Mbps link speed.
|
|
*/
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
|
|
tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val |
|
|
TG3_CPMU_MAC_ORIDE_ENABLE);
|
|
}
|
|
|
|
/* Reprobe ASF enable state. */
|
|
tg3_flag_clear(tp, ENABLE_ASF);
|
|
tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |
|
|
TG3_PHYFLG_KEEP_LINK_ON_PWRDN);
|
|
|
|
tg3_flag_clear(tp, ASF_NEW_HANDSHAKE);
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
|
|
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
|
|
u32 nic_cfg;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
|
|
if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
|
|
tg3_flag_set(tp, ENABLE_ASF);
|
|
tp->last_event_jiffies = jiffies;
|
|
if (tg3_flag(tp, 5750_PLUS))
|
|
tg3_flag_set(tp, ASF_NEW_HANDSHAKE);
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &nic_cfg);
|
|
if (nic_cfg & NIC_SRAM_1G_ON_VAUX_OK)
|
|
tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK;
|
|
if (nic_cfg & NIC_SRAM_LNK_FLAP_AVOID)
|
|
tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *);
|
|
static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *);
|
|
static void __tg3_set_rx_mode(struct net_device *);
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_halt(struct tg3 *tp, int kind, bool silent)
|
|
{
|
|
int err;
|
|
|
|
tg3_stop_fw(tp);
|
|
|
|
tg3_write_sig_pre_reset(tp, kind);
|
|
|
|
tg3_abort_hw(tp, silent);
|
|
err = tg3_chip_reset(tp);
|
|
|
|
__tg3_set_mac_addr(tp, false);
|
|
|
|
tg3_write_sig_legacy(tp, kind);
|
|
tg3_write_sig_post_reset(tp, kind);
|
|
|
|
if (tp->hw_stats) {
|
|
/* Save the stats across chip resets... */
|
|
tg3_get_nstats(tp, &tp->net_stats_prev);
|
|
tg3_get_estats(tp, &tp->estats_prev);
|
|
|
|
/* And make sure the next sample is new data */
|
|
memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_set_mac_addr(struct net_device *dev, void *p)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
struct sockaddr *addr = p;
|
|
int err = 0;
|
|
bool skip_mac_1 = false;
|
|
|
|
if (!is_valid_ether_addr(addr->sa_data))
|
|
return -EADDRNOTAVAIL;
|
|
|
|
eth_hw_addr_set(dev, addr->sa_data);
|
|
|
|
if (!netif_running(dev))
|
|
return 0;
|
|
|
|
if (tg3_flag(tp, ENABLE_ASF)) {
|
|
u32 addr0_high, addr0_low, addr1_high, addr1_low;
|
|
|
|
addr0_high = tr32(MAC_ADDR_0_HIGH);
|
|
addr0_low = tr32(MAC_ADDR_0_LOW);
|
|
addr1_high = tr32(MAC_ADDR_1_HIGH);
|
|
addr1_low = tr32(MAC_ADDR_1_LOW);
|
|
|
|
/* Skip MAC addr 1 if ASF is using it. */
|
|
if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
|
|
!(addr1_high == 0 && addr1_low == 0))
|
|
skip_mac_1 = true;
|
|
}
|
|
spin_lock_bh(&tp->lock);
|
|
__tg3_set_mac_addr(tp, skip_mac_1);
|
|
__tg3_set_rx_mode(dev);
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
|
|
dma_addr_t mapping, u32 maxlen_flags,
|
|
u32 nic_addr)
|
|
{
|
|
tg3_write_mem(tp,
|
|
(bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
|
|
((u64) mapping >> 32));
|
|
tg3_write_mem(tp,
|
|
(bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
|
|
((u64) mapping & 0xffffffff));
|
|
tg3_write_mem(tp,
|
|
(bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
|
|
maxlen_flags);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tg3_write_mem(tp,
|
|
(bdinfo_addr + TG3_BDINFO_NIC_ADDR),
|
|
nic_addr);
|
|
}
|
|
|
|
|
|
static void tg3_coal_tx_init(struct tg3 *tp, struct ethtool_coalesce *ec)
|
|
{
|
|
int i = 0;
|
|
|
|
if (!tg3_flag(tp, ENABLE_TSS)) {
|
|
tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
|
|
tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
|
|
tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
|
|
} else {
|
|
tw32(HOSTCC_TXCOL_TICKS, 0);
|
|
tw32(HOSTCC_TXMAX_FRAMES, 0);
|
|
tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
|
|
|
|
for (; i < tp->txq_cnt; i++) {
|
|
u32 reg;
|
|
|
|
reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
|
|
tw32(reg, ec->tx_coalesce_usecs);
|
|
reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
|
|
tw32(reg, ec->tx_max_coalesced_frames);
|
|
reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
|
|
tw32(reg, ec->tx_max_coalesced_frames_irq);
|
|
}
|
|
}
|
|
|
|
for (; i < tp->irq_max - 1; i++) {
|
|
tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
|
|
tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
|
|
tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
|
|
}
|
|
}
|
|
|
|
static void tg3_coal_rx_init(struct tg3 *tp, struct ethtool_coalesce *ec)
|
|
{
|
|
int i = 0;
|
|
u32 limit = tp->rxq_cnt;
|
|
|
|
if (!tg3_flag(tp, ENABLE_RSS)) {
|
|
tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
|
|
tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
|
|
tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
|
|
limit--;
|
|
} else {
|
|
tw32(HOSTCC_RXCOL_TICKS, 0);
|
|
tw32(HOSTCC_RXMAX_FRAMES, 0);
|
|
tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
|
|
}
|
|
|
|
for (; i < limit; i++) {
|
|
u32 reg;
|
|
|
|
reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
|
|
tw32(reg, ec->rx_coalesce_usecs);
|
|
reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
|
|
tw32(reg, ec->rx_max_coalesced_frames);
|
|
reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
|
|
tw32(reg, ec->rx_max_coalesced_frames_irq);
|
|
}
|
|
|
|
for (; i < tp->irq_max - 1; i++) {
|
|
tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
|
|
tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
|
|
tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
|
|
}
|
|
}
|
|
|
|
static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
|
|
{
|
|
tg3_coal_tx_init(tp, ec);
|
|
tg3_coal_rx_init(tp, ec);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
u32 val = ec->stats_block_coalesce_usecs;
|
|
|
|
tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
|
|
tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
|
|
|
|
if (!tp->link_up)
|
|
val = 0;
|
|
|
|
tw32(HOSTCC_STAT_COAL_TICKS, val);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_tx_rcbs_disable(struct tg3 *tp)
|
|
{
|
|
u32 txrcb, limit;
|
|
|
|
/* Disable all transmit rings but the first. */
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
|
|
else if (tg3_flag(tp, 5717_PLUS))
|
|
limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4;
|
|
else if (tg3_flag(tp, 57765_CLASS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
|
|
else
|
|
limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
|
|
|
|
for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
|
|
txrcb < limit; txrcb += TG3_BDINFO_SIZE)
|
|
tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
|
|
BDINFO_FLAGS_DISABLED);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_tx_rcbs_init(struct tg3 *tp)
|
|
{
|
|
int i = 0;
|
|
u32 txrcb = NIC_SRAM_SEND_RCB;
|
|
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
i++;
|
|
|
|
for (; i < tp->irq_max; i++, txrcb += TG3_BDINFO_SIZE) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (!tnapi->tx_ring)
|
|
continue;
|
|
|
|
tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
|
|
(TG3_TX_RING_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT),
|
|
NIC_SRAM_TX_BUFFER_DESC);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_rx_ret_rcbs_disable(struct tg3 *tp)
|
|
{
|
|
u32 rxrcb, limit;
|
|
|
|
/* Disable all receive return rings but the first. */
|
|
if (tg3_flag(tp, 5717_PLUS))
|
|
limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
|
|
else if (!tg3_flag(tp, 5705_PLUS))
|
|
limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762 ||
|
|
tg3_flag(tp, 57765_CLASS))
|
|
limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
|
|
else
|
|
limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
|
|
|
|
for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
|
|
rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
|
|
tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
|
|
BDINFO_FLAGS_DISABLED);
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_rx_ret_rcbs_init(struct tg3 *tp)
|
|
{
|
|
int i = 0;
|
|
u32 rxrcb = NIC_SRAM_RCV_RET_RCB;
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS))
|
|
i++;
|
|
|
|
for (; i < tp->irq_max; i++, rxrcb += TG3_BDINFO_SIZE) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (!tnapi->rx_rcb)
|
|
continue;
|
|
|
|
tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
|
|
(tp->rx_ret_ring_mask + 1) <<
|
|
BDINFO_FLAGS_MAXLEN_SHIFT, 0);
|
|
}
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static void tg3_rings_reset(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 stblk;
|
|
struct tg3_napi *tnapi = &tp->napi[0];
|
|
|
|
tg3_tx_rcbs_disable(tp);
|
|
|
|
tg3_rx_ret_rcbs_disable(tp);
|
|
|
|
/* Disable interrupts */
|
|
tw32_mailbox_f(tp->napi[0].int_mbox, 1);
|
|
tp->napi[0].chk_msi_cnt = 0;
|
|
tp->napi[0].last_rx_cons = 0;
|
|
tp->napi[0].last_tx_cons = 0;
|
|
|
|
/* Zero mailbox registers. */
|
|
if (tg3_flag(tp, SUPPORT_MSIX)) {
|
|
for (i = 1; i < tp->irq_max; i++) {
|
|
tp->napi[i].tx_prod = 0;
|
|
tp->napi[i].tx_cons = 0;
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
tw32_mailbox(tp->napi[i].prodmbox, 0);
|
|
tw32_rx_mbox(tp->napi[i].consmbox, 0);
|
|
tw32_mailbox_f(tp->napi[i].int_mbox, 1);
|
|
tp->napi[i].chk_msi_cnt = 0;
|
|
tp->napi[i].last_rx_cons = 0;
|
|
tp->napi[i].last_tx_cons = 0;
|
|
}
|
|
if (!tg3_flag(tp, ENABLE_TSS))
|
|
tw32_mailbox(tp->napi[0].prodmbox, 0);
|
|
} else {
|
|
tp->napi[0].tx_prod = 0;
|
|
tp->napi[0].tx_cons = 0;
|
|
tw32_mailbox(tp->napi[0].prodmbox, 0);
|
|
tw32_rx_mbox(tp->napi[0].consmbox, 0);
|
|
}
|
|
|
|
/* Make sure the NIC-based send BD rings are disabled. */
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
|
|
for (i = 0; i < 16; i++)
|
|
tw32_tx_mbox(mbox + i * 8, 0);
|
|
}
|
|
|
|
/* Clear status block in ram. */
|
|
memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
|
|
|
|
/* Set status block DMA address */
|
|
tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
|
|
((u64) tnapi->status_mapping >> 32));
|
|
tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
|
|
((u64) tnapi->status_mapping & 0xffffffff));
|
|
|
|
stblk = HOSTCC_STATBLCK_RING1;
|
|
|
|
for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
|
|
u64 mapping = (u64)tnapi->status_mapping;
|
|
tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
|
|
tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
|
|
stblk += 8;
|
|
|
|
/* Clear status block in ram. */
|
|
memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
|
|
}
|
|
|
|
tg3_tx_rcbs_init(tp);
|
|
tg3_rx_ret_rcbs_init(tp);
|
|
}
|
|
|
|
static void tg3_setup_rxbd_thresholds(struct tg3 *tp)
|
|
{
|
|
u32 val, bdcache_maxcnt, host_rep_thresh, nic_rep_thresh;
|
|
|
|
if (!tg3_flag(tp, 5750_PLUS) ||
|
|
tg3_flag(tp, 5780_CLASS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5750 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5752 ||
|
|
tg3_flag(tp, 57765_PLUS))
|
|
bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5700;
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5787)
|
|
bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5755;
|
|
else
|
|
bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5906;
|
|
|
|
nic_rep_thresh = min(bdcache_maxcnt / 2, tp->rx_std_max_post);
|
|
host_rep_thresh = max_t(u32, tp->rx_pending / 8, 1);
|
|
|
|
val = min(nic_rep_thresh, host_rep_thresh);
|
|
tw32(RCVBDI_STD_THRESH, val);
|
|
|
|
if (tg3_flag(tp, 57765_PLUS))
|
|
tw32(STD_REPLENISH_LWM, bdcache_maxcnt);
|
|
|
|
if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS))
|
|
return;
|
|
|
|
bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5700;
|
|
|
|
host_rep_thresh = max_t(u32, tp->rx_jumbo_pending / 8, 1);
|
|
|
|
val = min(bdcache_maxcnt / 2, host_rep_thresh);
|
|
tw32(RCVBDI_JUMBO_THRESH, val);
|
|
|
|
if (tg3_flag(tp, 57765_PLUS))
|
|
tw32(JMB_REPLENISH_LWM, bdcache_maxcnt);
|
|
}
|
|
|
|
static inline u32 calc_crc(unsigned char *buf, int len)
|
|
{
|
|
u32 reg;
|
|
u32 tmp;
|
|
int j, k;
|
|
|
|
reg = 0xffffffff;
|
|
|
|
for (j = 0; j < len; j++) {
|
|
reg ^= buf[j];
|
|
|
|
for (k = 0; k < 8; k++) {
|
|
tmp = reg & 0x01;
|
|
|
|
reg >>= 1;
|
|
|
|
if (tmp)
|
|
reg ^= CRC32_POLY_LE;
|
|
}
|
|
}
|
|
|
|
return ~reg;
|
|
}
|
|
|
|
static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
|
|
{
|
|
/* accept or reject all multicast frames */
|
|
tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
|
|
tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
|
|
tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
|
|
tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
|
|
}
|
|
|
|
static void __tg3_set_rx_mode(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 rx_mode;
|
|
|
|
rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
|
|
RX_MODE_KEEP_VLAN_TAG);
|
|
|
|
#if !defined(CONFIG_VLAN_8021Q) && !defined(CONFIG_VLAN_8021Q_MODULE)
|
|
/* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
|
|
* flag clear.
|
|
*/
|
|
if (!tg3_flag(tp, ENABLE_ASF))
|
|
rx_mode |= RX_MODE_KEEP_VLAN_TAG;
|
|
#endif
|
|
|
|
if (dev->flags & IFF_PROMISC) {
|
|
/* Promiscuous mode. */
|
|
rx_mode |= RX_MODE_PROMISC;
|
|
} else if (dev->flags & IFF_ALLMULTI) {
|
|
/* Accept all multicast. */
|
|
tg3_set_multi(tp, 1);
|
|
} else if (netdev_mc_empty(dev)) {
|
|
/* Reject all multicast. */
|
|
tg3_set_multi(tp, 0);
|
|
} else {
|
|
/* Accept one or more multicast(s). */
|
|
struct netdev_hw_addr *ha;
|
|
u32 mc_filter[4] = { 0, };
|
|
u32 regidx;
|
|
u32 bit;
|
|
u32 crc;
|
|
|
|
netdev_for_each_mc_addr(ha, dev) {
|
|
crc = calc_crc(ha->addr, ETH_ALEN);
|
|
bit = ~crc & 0x7f;
|
|
regidx = (bit & 0x60) >> 5;
|
|
bit &= 0x1f;
|
|
mc_filter[regidx] |= (1 << bit);
|
|
}
|
|
|
|
tw32(MAC_HASH_REG_0, mc_filter[0]);
|
|
tw32(MAC_HASH_REG_1, mc_filter[1]);
|
|
tw32(MAC_HASH_REG_2, mc_filter[2]);
|
|
tw32(MAC_HASH_REG_3, mc_filter[3]);
|
|
}
|
|
|
|
if (netdev_uc_count(dev) > TG3_MAX_UCAST_ADDR(tp)) {
|
|
rx_mode |= RX_MODE_PROMISC;
|
|
} else if (!(dev->flags & IFF_PROMISC)) {
|
|
/* Add all entries into to the mac addr filter list */
|
|
int i = 0;
|
|
struct netdev_hw_addr *ha;
|
|
|
|
netdev_for_each_uc_addr(ha, dev) {
|
|
__tg3_set_one_mac_addr(tp, ha->addr,
|
|
i + TG3_UCAST_ADDR_IDX(tp));
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (rx_mode != tp->rx_mode) {
|
|
tp->rx_mode = rx_mode;
|
|
tw32_f(MAC_RX_MODE, rx_mode);
|
|
udelay(10);
|
|
}
|
|
}
|
|
|
|
static void tg3_rss_init_dflt_indir_tbl(struct tg3 *tp, u32 qcnt)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
|
|
tp->rss_ind_tbl[i] = ethtool_rxfh_indir_default(i, qcnt);
|
|
}
|
|
|
|
static void tg3_rss_check_indir_tbl(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
if (!tg3_flag(tp, SUPPORT_MSIX))
|
|
return;
|
|
|
|
if (tp->rxq_cnt == 1) {
|
|
memset(&tp->rss_ind_tbl[0], 0, sizeof(tp->rss_ind_tbl));
|
|
return;
|
|
}
|
|
|
|
/* Validate table against current IRQ count */
|
|
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
|
|
if (tp->rss_ind_tbl[i] >= tp->rxq_cnt)
|
|
break;
|
|
}
|
|
|
|
if (i != TG3_RSS_INDIR_TBL_SIZE)
|
|
tg3_rss_init_dflt_indir_tbl(tp, tp->rxq_cnt);
|
|
}
|
|
|
|
static void tg3_rss_write_indir_tbl(struct tg3 *tp)
|
|
{
|
|
int i = 0;
|
|
u32 reg = MAC_RSS_INDIR_TBL_0;
|
|
|
|
while (i < TG3_RSS_INDIR_TBL_SIZE) {
|
|
u32 val = tp->rss_ind_tbl[i];
|
|
i++;
|
|
for (; i % 8; i++) {
|
|
val <<= 4;
|
|
val |= tp->rss_ind_tbl[i];
|
|
}
|
|
tw32(reg, val);
|
|
reg += 4;
|
|
}
|
|
}
|
|
|
|
static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
|
|
{
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
|
|
else
|
|
return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
|
|
}
|
|
|
|
/* tp->lock is held. */
|
|
static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
|
|
{
|
|
u32 val, rdmac_mode;
|
|
int i, err, limit;
|
|
struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
|
|
|
|
tg3_disable_ints(tp);
|
|
|
|
tg3_stop_fw(tp);
|
|
|
|
tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
|
|
|
|
if (tg3_flag(tp, INIT_COMPLETE))
|
|
tg3_abort_hw(tp, 1);
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_USER_CONFIGURED)) {
|
|
tg3_phy_pull_config(tp);
|
|
tg3_eee_pull_config(tp, NULL);
|
|
tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
|
|
}
|
|
|
|
/* Enable MAC control of LPI */
|
|
if (tp->phy_flags & TG3_PHYFLG_EEE_CAP)
|
|
tg3_setup_eee(tp);
|
|
|
|
if (reset_phy)
|
|
tg3_phy_reset(tp);
|
|
|
|
err = tg3_chip_reset(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_write_sig_legacy(tp, RESET_KIND_INIT);
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5784_AX) {
|
|
val = tr32(TG3_CPMU_CTRL);
|
|
val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
|
|
tw32(TG3_CPMU_CTRL, val);
|
|
|
|
val = tr32(TG3_CPMU_LSPD_10MB_CLK);
|
|
val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
|
|
val |= CPMU_LSPD_10MB_MACCLK_6_25;
|
|
tw32(TG3_CPMU_LSPD_10MB_CLK, val);
|
|
|
|
val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
|
|
val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
|
|
val |= CPMU_LNK_AWARE_MACCLK_6_25;
|
|
tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
|
|
|
|
val = tr32(TG3_CPMU_HST_ACC);
|
|
val &= ~CPMU_HST_ACC_MACCLK_MASK;
|
|
val |= CPMU_HST_ACC_MACCLK_6_25;
|
|
tw32(TG3_CPMU_HST_ACC, val);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57780) {
|
|
val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
|
|
val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
|
|
PCIE_PWR_MGMT_L1_THRESH_4MS;
|
|
tw32(PCIE_PWR_MGMT_THRESH, val);
|
|
|
|
val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
|
|
tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
|
|
|
|
tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
|
|
|
|
val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
|
|
tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
|
|
}
|
|
|
|
if (tg3_flag(tp, L1PLLPD_EN)) {
|
|
u32 grc_mode = tr32(GRC_MODE);
|
|
|
|
/* Access the lower 1K of PL PCIE block registers. */
|
|
val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
|
|
tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
|
|
|
|
val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
|
|
tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
|
|
val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
|
|
|
|
tw32(GRC_MODE, grc_mode);
|
|
}
|
|
|
|
if (tg3_flag(tp, 57765_CLASS)) {
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0) {
|
|
u32 grc_mode = tr32(GRC_MODE);
|
|
|
|
/* Access the lower 1K of PL PCIE block registers. */
|
|
val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
|
|
tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
|
|
|
|
val = tr32(TG3_PCIE_TLDLPL_PORT +
|
|
TG3_PCIE_PL_LO_PHYCTL5);
|
|
tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5,
|
|
val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ);
|
|
|
|
tw32(GRC_MODE, grc_mode);
|
|
}
|
|
|
|
if (tg3_chip_rev(tp) != CHIPREV_57765_AX) {
|
|
u32 grc_mode;
|
|
|
|
/* Fix transmit hangs */
|
|
val = tr32(TG3_CPMU_PADRNG_CTL);
|
|
val |= TG3_CPMU_PADRNG_CTL_RDIV2;
|
|
tw32(TG3_CPMU_PADRNG_CTL, val);
|
|
|
|
grc_mode = tr32(GRC_MODE);
|
|
|
|
/* Access the lower 1K of DL PCIE block registers. */
|
|
val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
|
|
tw32(GRC_MODE, val | GRC_MODE_PCIE_DL_SEL);
|
|
|
|
val = tr32(TG3_PCIE_TLDLPL_PORT +
|
|
TG3_PCIE_DL_LO_FTSMAX);
|
|
val &= ~TG3_PCIE_DL_LO_FTSMAX_MSK;
|
|
tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_DL_LO_FTSMAX,
|
|
val | TG3_PCIE_DL_LO_FTSMAX_VAL);
|
|
|
|
tw32(GRC_MODE, grc_mode);
|
|
}
|
|
|
|
val = tr32(TG3_CPMU_LSPD_10MB_CLK);
|
|
val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
|
|
val |= CPMU_LSPD_10MB_MACCLK_6_25;
|
|
tw32(TG3_CPMU_LSPD_10MB_CLK, val);
|
|
}
|
|
|
|
/* This works around an issue with Athlon chipsets on
|
|
* B3 tigon3 silicon. This bit has no effect on any
|
|
* other revision. But do not set this on PCI Express
|
|
* chips and don't even touch the clocks if the CPMU is present.
|
|
*/
|
|
if (!tg3_flag(tp, CPMU_PRESENT)) {
|
|
if (!tg3_flag(tp, PCI_EXPRESS))
|
|
tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
|
|
tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
|
|
}
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0 &&
|
|
tg3_flag(tp, PCIX_MODE)) {
|
|
val = tr32(TG3PCI_PCISTATE);
|
|
val |= PCISTATE_RETRY_SAME_DMA;
|
|
tw32(TG3PCI_PCISTATE, val);
|
|
}
|
|
|
|
if (tg3_flag(tp, ENABLE_APE)) {
|
|
/* Allow reads and writes to the
|
|
* APE register and memory space.
|
|
*/
|
|
val = tr32(TG3PCI_PCISTATE);
|
|
val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
|
|
PCISTATE_ALLOW_APE_SHMEM_WR |
|
|
PCISTATE_ALLOW_APE_PSPACE_WR;
|
|
tw32(TG3PCI_PCISTATE, val);
|
|
}
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5704_BX) {
|
|
/* Enable some hw fixes. */
|
|
val = tr32(TG3PCI_MSI_DATA);
|
|
val |= (1 << 26) | (1 << 28) | (1 << 29);
|
|
tw32(TG3PCI_MSI_DATA, val);
|
|
}
|
|
|
|
/* Descriptor ring init may make accesses to the
|
|
* NIC SRAM area to setup the TX descriptors, so we
|
|
* can only do this after the hardware has been
|
|
* successfully reset.
|
|
*/
|
|
err = tg3_init_rings(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
val = tr32(TG3PCI_DMA_RW_CTRL) &
|
|
~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0)
|
|
val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
|
|
if (!tg3_flag(tp, 57765_CLASS) &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5717 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5762)
|
|
val |= DMA_RWCTRL_TAGGED_STAT_WA;
|
|
tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
|
|
} else if (tg3_asic_rev(tp) != ASIC_REV_5784 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5761) {
|
|
/* This value is determined during the probe time DMA
|
|
* engine test, tg3_test_dma.
|
|
*/
|
|
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
|
|
}
|
|
|
|
tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
|
|
GRC_MODE_4X_NIC_SEND_RINGS |
|
|
GRC_MODE_NO_TX_PHDR_CSUM |
|
|
GRC_MODE_NO_RX_PHDR_CSUM);
|
|
tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
|
|
|
|
/* Pseudo-header checksum is done by hardware logic and not
|
|
* the offload processers, so make the chip do the pseudo-
|
|
* header checksums on receive. For transmit it is more
|
|
* convenient to do the pseudo-header checksum in software
|
|
* as Linux does that on transmit for us in all cases.
|
|
*/
|
|
tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
|
|
|
|
val = GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP;
|
|
if (tp->rxptpctl)
|
|
tw32(TG3_RX_PTP_CTL,
|
|
tp->rxptpctl | TG3_RX_PTP_CTL_HWTS_INTERLOCK);
|
|
|
|
if (tg3_flag(tp, PTP_CAPABLE))
|
|
val |= GRC_MODE_TIME_SYNC_ENABLE;
|
|
|
|
tw32(GRC_MODE, tp->grc_mode | val);
|
|
|
|
/* On one of the AMD platform, MRRS is restricted to 4000 because of
|
|
* south bridge limitation. As a workaround, Driver is setting MRRS
|
|
* to 2048 instead of default 4096.
|
|
*/
|
|
if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
|
|
tp->pdev->subsystem_device == TG3PCI_SUBDEVICE_ID_DELL_5762) {
|
|
val = tr32(TG3PCI_DEV_STATUS_CTRL) & ~MAX_READ_REQ_MASK;
|
|
tw32(TG3PCI_DEV_STATUS_CTRL, val | MAX_READ_REQ_SIZE_2048);
|
|
}
|
|
|
|
/* Setup the timer prescalar register. Clock is always 66Mhz. */
|
|
val = tr32(GRC_MISC_CFG);
|
|
val &= ~0xff;
|
|
val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
|
|
tw32(GRC_MISC_CFG, val);
|
|
|
|
/* Initialize MBUF/DESC pool. */
|
|
if (tg3_flag(tp, 5750_PLUS)) {
|
|
/* Do nothing. */
|
|
} else if (tg3_asic_rev(tp) != ASIC_REV_5705) {
|
|
tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704)
|
|
tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
|
|
else
|
|
tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
|
|
tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
|
|
tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
|
|
} else if (tg3_flag(tp, TSO_CAPABLE)) {
|
|
int fw_len;
|
|
|
|
fw_len = tp->fw_len;
|
|
fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
|
|
tw32(BUFMGR_MB_POOL_ADDR,
|
|
NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
|
|
tw32(BUFMGR_MB_POOL_SIZE,
|
|
NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
|
|
}
|
|
|
|
if (tp->dev->mtu <= ETH_DATA_LEN) {
|
|
tw32(BUFMGR_MB_RDMA_LOW_WATER,
|
|
tp->bufmgr_config.mbuf_read_dma_low_water);
|
|
tw32(BUFMGR_MB_MACRX_LOW_WATER,
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water);
|
|
tw32(BUFMGR_MB_HIGH_WATER,
|
|
tp->bufmgr_config.mbuf_high_water);
|
|
} else {
|
|
tw32(BUFMGR_MB_RDMA_LOW_WATER,
|
|
tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
|
|
tw32(BUFMGR_MB_MACRX_LOW_WATER,
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
|
|
tw32(BUFMGR_MB_HIGH_WATER,
|
|
tp->bufmgr_config.mbuf_high_water_jumbo);
|
|
}
|
|
tw32(BUFMGR_DMA_LOW_WATER,
|
|
tp->bufmgr_config.dma_low_water);
|
|
tw32(BUFMGR_DMA_HIGH_WATER,
|
|
tp->bufmgr_config.dma_high_water);
|
|
|
|
val = BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
val |= BUFMGR_MODE_NO_TX_UNDERRUN;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0)
|
|
val |= BUFMGR_MODE_MBLOW_ATTN_ENAB;
|
|
tw32(BUFMGR_MODE, val);
|
|
for (i = 0; i < 2000; i++) {
|
|
if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
if (i >= 2000) {
|
|
netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5906_A1)
|
|
tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
|
|
|
|
tg3_setup_rxbd_thresholds(tp);
|
|
|
|
/* Initialize TG3_BDINFO's at:
|
|
* RCVDBDI_STD_BD: standard eth size rx ring
|
|
* RCVDBDI_JUMBO_BD: jumbo frame rx ring
|
|
* RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
|
|
*
|
|
* like so:
|
|
* TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
|
|
* TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
|
|
* ring attribute flags
|
|
* TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
|
|
*
|
|
* Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
|
|
* Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
|
|
*
|
|
* The size of each ring is fixed in the firmware, but the location is
|
|
* configurable.
|
|
*/
|
|
tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
|
|
((u64) tpr->rx_std_mapping >> 32));
|
|
tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
|
|
((u64) tpr->rx_std_mapping & 0xffffffff));
|
|
if (!tg3_flag(tp, 5717_PLUS))
|
|
tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
|
|
NIC_SRAM_RX_BUFFER_DESC);
|
|
|
|
/* Disable the mini ring */
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
|
|
BDINFO_FLAGS_DISABLED);
|
|
|
|
/* Program the jumbo buffer descriptor ring control
|
|
* blocks on those devices that have them.
|
|
*/
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
|
|
(tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS))) {
|
|
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE)) {
|
|
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
|
|
((u64) tpr->rx_jmb_mapping >> 32));
|
|
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
|
|
((u64) tpr->rx_jmb_mapping & 0xffffffff));
|
|
val = TG3_RX_JMB_RING_SIZE(tp) <<
|
|
BDINFO_FLAGS_MAXLEN_SHIFT;
|
|
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
|
|
val | BDINFO_FLAGS_USE_EXT_RECV);
|
|
if (!tg3_flag(tp, USE_JUMBO_BDFLAG) ||
|
|
tg3_flag(tp, 57765_CLASS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
|
|
NIC_SRAM_RX_JUMBO_BUFFER_DESC);
|
|
} else {
|
|
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
|
|
BDINFO_FLAGS_DISABLED);
|
|
}
|
|
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
val = TG3_RX_STD_RING_SIZE(tp);
|
|
val <<= BDINFO_FLAGS_MAXLEN_SHIFT;
|
|
val |= (TG3_RX_STD_DMA_SZ << 2);
|
|
} else
|
|
val = TG3_RX_STD_DMA_SZ << BDINFO_FLAGS_MAXLEN_SHIFT;
|
|
} else
|
|
val = TG3_RX_STD_MAX_SIZE_5700 << BDINFO_FLAGS_MAXLEN_SHIFT;
|
|
|
|
tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
|
|
|
|
tpr->rx_std_prod_idx = tp->rx_pending;
|
|
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
|
|
|
|
tpr->rx_jmb_prod_idx =
|
|
tg3_flag(tp, JUMBO_RING_ENABLE) ? tp->rx_jumbo_pending : 0;
|
|
tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
|
|
|
|
tg3_rings_reset(tp);
|
|
|
|
/* Initialize MAC address and backoff seed. */
|
|
__tg3_set_mac_addr(tp, false);
|
|
|
|
/* MTU + ethernet header + FCS + optional VLAN tag */
|
|
tw32(MAC_RX_MTU_SIZE,
|
|
tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
|
|
|
|
/* The slot time is changed by tg3_setup_phy if we
|
|
* run at gigabit with half duplex.
|
|
*/
|
|
val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
|
|
(6 << TX_LENGTHS_IPG_SHIFT) |
|
|
(32 << TX_LENGTHS_SLOT_TIME_SHIFT);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
val |= tr32(MAC_TX_LENGTHS) &
|
|
(TX_LENGTHS_JMB_FRM_LEN_MSK |
|
|
TX_LENGTHS_CNT_DWN_VAL_MSK);
|
|
|
|
tw32(MAC_TX_LENGTHS, val);
|
|
|
|
/* Receive rules. */
|
|
tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
|
|
tw32(RCVLPC_CONFIG, 0x0181);
|
|
|
|
/* Calculate RDMAC_MODE setting early, we need it to determine
|
|
* the RCVLPC_STATE_ENABLE mask.
|
|
*/
|
|
rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
|
|
RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
|
|
RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
|
|
RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
|
|
RDMAC_MODE_LNGREAD_ENAB);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717)
|
|
rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780)
|
|
rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
|
|
RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
|
|
RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
|
|
if (tg3_flag(tp, TSO_CAPABLE)) {
|
|
rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
|
|
} else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
|
|
!tg3_flag(tp, IS_5788)) {
|
|
rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
|
|
}
|
|
}
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS))
|
|
rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766) {
|
|
tp->dma_limit = 0;
|
|
if (tp->dev->mtu <= ETH_DATA_LEN) {
|
|
rdmac_mode |= RDMAC_MODE_JMB_2K_MMRR;
|
|
tp->dma_limit = TG3_TX_BD_DMA_MAX_2K;
|
|
}
|
|
}
|
|
|
|
if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3))
|
|
rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
|
|
|
|
if (tg3_flag(tp, 57765_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780)
|
|
rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
rdmac_mode |= tr32(RDMAC_MODE) & RDMAC_MODE_H2BNC_VLAN_DET;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780 ||
|
|
tg3_flag(tp, 57765_PLUS)) {
|
|
u32 tgtreg;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tgtreg = TG3_RDMA_RSRVCTRL_REG2;
|
|
else
|
|
tgtreg = TG3_RDMA_RSRVCTRL_REG;
|
|
|
|
val = tr32(tgtreg);
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
val &= ~(TG3_RDMA_RSRVCTRL_TXMRGN_MASK |
|
|
TG3_RDMA_RSRVCTRL_FIFO_LWM_MASK |
|
|
TG3_RDMA_RSRVCTRL_FIFO_HWM_MASK);
|
|
val |= TG3_RDMA_RSRVCTRL_TXMRGN_320B |
|
|
TG3_RDMA_RSRVCTRL_FIFO_LWM_1_5K |
|
|
TG3_RDMA_RSRVCTRL_FIFO_HWM_1_5K;
|
|
}
|
|
tw32(tgtreg, val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
u32 tgtreg;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tgtreg = TG3_LSO_RD_DMA_CRPTEN_CTRL2;
|
|
else
|
|
tgtreg = TG3_LSO_RD_DMA_CRPTEN_CTRL;
|
|
|
|
val = tr32(tgtreg);
|
|
tw32(tgtreg, val |
|
|
TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K |
|
|
TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K);
|
|
}
|
|
|
|
/* Receive/send statistics. */
|
|
if (tg3_flag(tp, 5750_PLUS)) {
|
|
val = tr32(RCVLPC_STATS_ENABLE);
|
|
val &= ~RCVLPC_STATSENAB_DACK_FIX;
|
|
tw32(RCVLPC_STATS_ENABLE, val);
|
|
} else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
|
|
tg3_flag(tp, TSO_CAPABLE)) {
|
|
val = tr32(RCVLPC_STATS_ENABLE);
|
|
val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
|
|
tw32(RCVLPC_STATS_ENABLE, val);
|
|
} else {
|
|
tw32(RCVLPC_STATS_ENABLE, 0xffffff);
|
|
}
|
|
tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
|
|
tw32(SNDDATAI_STATSENAB, 0xffffff);
|
|
tw32(SNDDATAI_STATSCTRL,
|
|
(SNDDATAI_SCTRL_ENABLE |
|
|
SNDDATAI_SCTRL_FASTUPD));
|
|
|
|
/* Setup host coalescing engine. */
|
|
tw32(HOSTCC_MODE, 0);
|
|
for (i = 0; i < 2000; i++) {
|
|
if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
|
|
break;
|
|
udelay(10);
|
|
}
|
|
|
|
__tg3_set_coalesce(tp, &tp->coal);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
/* Status/statistics block address. See tg3_timer,
|
|
* the tg3_periodic_fetch_stats call there, and
|
|
* tg3_get_stats to see how this works for 5705/5750 chips.
|
|
*/
|
|
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
|
|
((u64) tp->stats_mapping >> 32));
|
|
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
|
|
((u64) tp->stats_mapping & 0xffffffff));
|
|
tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
|
|
|
|
tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
|
|
|
|
/* Clear statistics and status block memory areas */
|
|
for (i = NIC_SRAM_STATS_BLK;
|
|
i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
|
|
i += sizeof(u32)) {
|
|
tg3_write_mem(tp, i, 0);
|
|
udelay(40);
|
|
}
|
|
}
|
|
|
|
tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
|
|
|
|
tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
|
|
tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
|
|
tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
|
|
/* reset to prevent losing 1st rx packet intermittently */
|
|
tw32_f(MAC_RX_MODE, RX_MODE_RESET);
|
|
udelay(10);
|
|
}
|
|
|
|
tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
|
|
MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE |
|
|
MAC_MODE_FHDE_ENABLE;
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
tp->mac_mode |= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
|
|
if (!tg3_flag(tp, 5705_PLUS) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5700)
|
|
tp->mac_mode |= MAC_MODE_LINK_POLARITY;
|
|
tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
|
|
udelay(40);
|
|
|
|
/* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
|
|
* If TG3_FLAG_IS_NIC is zero, we should read the
|
|
* register to preserve the GPIO settings for LOMs. The GPIOs,
|
|
* whether used as inputs or outputs, are set by boot code after
|
|
* reset.
|
|
*/
|
|
if (!tg3_flag(tp, IS_NIC)) {
|
|
u32 gpio_mask;
|
|
|
|
gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5752)
|
|
gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT3;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5755)
|
|
gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
|
|
|
|
tp->grc_local_ctrl &= ~gpio_mask;
|
|
tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
|
|
|
|
/* GPIO1 must be driven high for eeprom write protect */
|
|
if (tg3_flag(tp, EEPROM_WRITE_PROT))
|
|
tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1);
|
|
}
|
|
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
|
|
udelay(100);
|
|
|
|
if (tg3_flag(tp, USING_MSIX)) {
|
|
val = tr32(MSGINT_MODE);
|
|
val |= MSGINT_MODE_ENABLE;
|
|
if (tp->irq_cnt > 1)
|
|
val |= MSGINT_MODE_MULTIVEC_EN;
|
|
if (!tg3_flag(tp, 1SHOT_MSI))
|
|
val |= MSGINT_MODE_ONE_SHOT_DISABLE;
|
|
tw32(MSGINT_MODE, val);
|
|
}
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
|
|
udelay(40);
|
|
}
|
|
|
|
val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
|
|
WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
|
|
WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
|
|
WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
|
|
WDMAC_MODE_LNGREAD_ENAB);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
|
|
if (tg3_flag(tp, TSO_CAPABLE) &&
|
|
(tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A2)) {
|
|
/* nothing */
|
|
} else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
|
|
!tg3_flag(tp, IS_5788)) {
|
|
val |= WDMAC_MODE_RX_ACCEL;
|
|
}
|
|
}
|
|
|
|
/* Enable host coalescing bug fix */
|
|
if (tg3_flag(tp, 5755_PLUS))
|
|
val |= WDMAC_MODE_STATUS_TAG_FIX;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5785)
|
|
val |= WDMAC_MODE_BURST_ALL_DATA;
|
|
|
|
tw32_f(WDMAC_MODE, val);
|
|
udelay(40);
|
|
|
|
if (tg3_flag(tp, PCIX_MODE)) {
|
|
u16 pcix_cmd;
|
|
|
|
pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
|
|
&pcix_cmd);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703) {
|
|
pcix_cmd &= ~PCI_X_CMD_MAX_READ;
|
|
pcix_cmd |= PCI_X_CMD_READ_2K;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5704) {
|
|
pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
|
|
pcix_cmd |= PCI_X_CMD_READ_2K;
|
|
}
|
|
pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
|
|
pcix_cmd);
|
|
}
|
|
|
|
tw32_f(RDMAC_MODE, rdmac_mode);
|
|
udelay(40);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720) {
|
|
for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
|
|
if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
|
|
break;
|
|
}
|
|
if (i < TG3_NUM_RDMA_CHANNELS) {
|
|
val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
|
|
val |= tg3_lso_rd_dma_workaround_bit(tp);
|
|
tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
|
|
tg3_flag_set(tp, 5719_5720_RDMA_BUG);
|
|
}
|
|
}
|
|
|
|
tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
tw32(SNDDATAC_MODE,
|
|
SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
|
|
else
|
|
tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
|
|
|
|
tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
|
|
tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
|
|
val = RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ;
|
|
if (tg3_flag(tp, LRG_PROD_RING_CAP))
|
|
val |= RCVDBDI_MODE_LRG_RING_SZ;
|
|
tw32(RCVDBDI_MODE, val);
|
|
tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
|
|
if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3))
|
|
tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
|
|
val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
val |= SNDBDI_MODE_MULTI_TXQ_EN;
|
|
tw32(SNDBDI_MODE, val);
|
|
tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) {
|
|
err = tg3_load_5701_a0_firmware_fix(tp);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766) {
|
|
/* Ignore any errors for the firmware download. If download
|
|
* fails, the device will operate with EEE disabled
|
|
*/
|
|
tg3_load_57766_firmware(tp);
|
|
}
|
|
|
|
if (tg3_flag(tp, TSO_CAPABLE)) {
|
|
err = tg3_load_tso_firmware(tp);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
tp->tx_mode = TX_MODE_ENABLE;
|
|
|
|
if (tg3_flag(tp, 5755_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
val = TX_MODE_JMB_FRM_LEN | TX_MODE_CNT_DN_MODE;
|
|
tp->tx_mode &= ~val;
|
|
tp->tx_mode |= tr32(MAC_TX_MODE) & val;
|
|
}
|
|
|
|
tw32_f(MAC_TX_MODE, tp->tx_mode);
|
|
udelay(100);
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS)) {
|
|
u32 rss_key[10];
|
|
|
|
tg3_rss_write_indir_tbl(tp);
|
|
|
|
netdev_rss_key_fill(rss_key, 10 * sizeof(u32));
|
|
|
|
for (i = 0; i < 10 ; i++)
|
|
tw32(MAC_RSS_HASH_KEY_0 + i*4, rss_key[i]);
|
|
}
|
|
|
|
tp->rx_mode = RX_MODE_ENABLE;
|
|
if (tg3_flag(tp, 5755_PLUS))
|
|
tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tp->rx_mode |= RX_MODE_IPV4_FRAG_FIX;
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS))
|
|
tp->rx_mode |= RX_MODE_RSS_ENABLE |
|
|
RX_MODE_RSS_ITBL_HASH_BITS_7 |
|
|
RX_MODE_RSS_IPV6_HASH_EN |
|
|
RX_MODE_RSS_TCP_IPV6_HASH_EN |
|
|
RX_MODE_RSS_IPV4_HASH_EN |
|
|
RX_MODE_RSS_TCP_IPV4_HASH_EN;
|
|
|
|
tw32_f(MAC_RX_MODE, tp->rx_mode);
|
|
udelay(10);
|
|
|
|
tw32(MAC_LED_CTRL, tp->led_ctrl);
|
|
|
|
tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
|
|
tw32_f(MAC_RX_MODE, RX_MODE_RESET);
|
|
udelay(10);
|
|
}
|
|
tw32_f(MAC_RX_MODE, tp->rx_mode);
|
|
udelay(10);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
|
|
if ((tg3_asic_rev(tp) == ASIC_REV_5704) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_SERDES_PREEMPHASIS)) {
|
|
/* Set drive transmission level to 1.2V */
|
|
/* only if the signal pre-emphasis bit is not set */
|
|
val = tr32(MAC_SERDES_CFG);
|
|
val &= 0xfffff000;
|
|
val |= 0x880;
|
|
tw32(MAC_SERDES_CFG, val);
|
|
}
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A1)
|
|
tw32(MAC_SERDES_CFG, 0x616000);
|
|
}
|
|
|
|
/* Prevent chip from dropping frames when flow control
|
|
* is enabled.
|
|
*/
|
|
if (tg3_flag(tp, 57765_CLASS))
|
|
val = 1;
|
|
else
|
|
val = 2;
|
|
tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704 &&
|
|
(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
|
|
/* Use hardware link auto-negotiation */
|
|
tg3_flag_set(tp, HW_AUTONEG);
|
|
}
|
|
|
|
if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
u32 tmp;
|
|
|
|
tmp = tr32(SERDES_RX_CTRL);
|
|
tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
|
|
tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
|
|
tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
|
|
tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
|
|
}
|
|
|
|
if (!tg3_flag(tp, USE_PHYLIB)) {
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
|
|
tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
|
|
|
|
err = tg3_setup_phy(tp, false);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
|
|
u32 tmp;
|
|
|
|
/* Clear CRC stats. */
|
|
if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
|
|
tg3_writephy(tp, MII_TG3_TEST1,
|
|
tmp | MII_TG3_TEST1_CRC_EN);
|
|
tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &tmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
__tg3_set_rx_mode(tp->dev);
|
|
|
|
/* Initialize receive rules. */
|
|
tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
|
|
tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
|
|
tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
|
|
tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
|
|
|
|
if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS))
|
|
limit = 8;
|
|
else
|
|
limit = 16;
|
|
if (tg3_flag(tp, ENABLE_ASF))
|
|
limit -= 4;
|
|
switch (limit) {
|
|
case 16:
|
|
tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
|
|
fallthrough;
|
|
case 15:
|
|
tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
|
|
fallthrough;
|
|
case 14:
|
|
tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
|
|
fallthrough;
|
|
case 13:
|
|
tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
|
|
fallthrough;
|
|
case 12:
|
|
tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
|
|
fallthrough;
|
|
case 11:
|
|
tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
|
|
fallthrough;
|
|
case 10:
|
|
tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
|
|
fallthrough;
|
|
case 9:
|
|
tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
|
|
fallthrough;
|
|
case 8:
|
|
tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
|
|
fallthrough;
|
|
case 7:
|
|
tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
|
|
fallthrough;
|
|
case 6:
|
|
tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
|
|
fallthrough;
|
|
case 5:
|
|
tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
|
|
fallthrough;
|
|
case 4:
|
|
/* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
|
|
case 3:
|
|
/* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
|
|
case 2:
|
|
case 1:
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
/* Write our heartbeat update interval to APE. */
|
|
tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
|
|
APE_HOST_HEARTBEAT_INT_5SEC);
|
|
|
|
tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Called at device open time to get the chip ready for
|
|
* packet processing. Invoked with tp->lock held.
|
|
*/
|
|
static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
|
|
{
|
|
/* Chip may have been just powered on. If so, the boot code may still
|
|
* be running initialization. Wait for it to finish to avoid races in
|
|
* accessing the hardware.
|
|
*/
|
|
tg3_enable_register_access(tp);
|
|
tg3_poll_fw(tp);
|
|
|
|
tg3_switch_clocks(tp);
|
|
|
|
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
|
|
return tg3_reset_hw(tp, reset_phy);
|
|
}
|
|
|
|
#ifdef CONFIG_TIGON3_HWMON
|
|
static void tg3_sd_scan_scratchpad(struct tg3 *tp, struct tg3_ocir *ocir)
|
|
{
|
|
u32 off, len = TG3_OCIR_LEN;
|
|
int i;
|
|
|
|
for (i = 0, off = 0; i < TG3_SD_NUM_RECS; i++, ocir++, off += len) {
|
|
tg3_ape_scratchpad_read(tp, (u32 *) ocir, off, len);
|
|
|
|
if (ocir->signature != TG3_OCIR_SIG_MAGIC ||
|
|
!(ocir->version_flags & TG3_OCIR_FLAG_ACTIVE))
|
|
memset(ocir, 0, len);
|
|
}
|
|
}
|
|
|
|
/* sysfs attributes for hwmon */
|
|
static ssize_t tg3_show_temp(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct tg3 *tp = dev_get_drvdata(dev);
|
|
u32 temperature;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
tg3_ape_scratchpad_read(tp, &temperature, attr->index,
|
|
sizeof(temperature));
|
|
spin_unlock_bh(&tp->lock);
|
|
return sprintf(buf, "%u\n", temperature * 1000);
|
|
}
|
|
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_input, 0444, tg3_show_temp, NULL,
|
|
TG3_TEMP_SENSOR_OFFSET);
|
|
static SENSOR_DEVICE_ATTR(temp1_crit, 0444, tg3_show_temp, NULL,
|
|
TG3_TEMP_CAUTION_OFFSET);
|
|
static SENSOR_DEVICE_ATTR(temp1_max, 0444, tg3_show_temp, NULL,
|
|
TG3_TEMP_MAX_OFFSET);
|
|
|
|
static struct attribute *tg3_attrs[] = {
|
|
&sensor_dev_attr_temp1_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_crit.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_max.dev_attr.attr,
|
|
NULL
|
|
};
|
|
ATTRIBUTE_GROUPS(tg3);
|
|
|
|
static void tg3_hwmon_close(struct tg3 *tp)
|
|
{
|
|
if (tp->hwmon_dev) {
|
|
hwmon_device_unregister(tp->hwmon_dev);
|
|
tp->hwmon_dev = NULL;
|
|
}
|
|
}
|
|
|
|
static void tg3_hwmon_open(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
u32 size = 0;
|
|
struct pci_dev *pdev = tp->pdev;
|
|
struct tg3_ocir ocirs[TG3_SD_NUM_RECS];
|
|
|
|
tg3_sd_scan_scratchpad(tp, ocirs);
|
|
|
|
for (i = 0; i < TG3_SD_NUM_RECS; i++) {
|
|
if (!ocirs[i].src_data_length)
|
|
continue;
|
|
|
|
size += ocirs[i].src_hdr_length;
|
|
size += ocirs[i].src_data_length;
|
|
}
|
|
|
|
if (!size)
|
|
return;
|
|
|
|
tp->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, "tg3",
|
|
tp, tg3_groups);
|
|
if (IS_ERR(tp->hwmon_dev)) {
|
|
tp->hwmon_dev = NULL;
|
|
dev_err(&pdev->dev, "Cannot register hwmon device, aborting\n");
|
|
}
|
|
}
|
|
#else
|
|
static inline void tg3_hwmon_close(struct tg3 *tp) { }
|
|
static inline void tg3_hwmon_open(struct tg3 *tp) { }
|
|
#endif /* CONFIG_TIGON3_HWMON */
|
|
|
|
|
|
#define TG3_STAT_ADD32(PSTAT, REG) \
|
|
do { u32 __val = tr32(REG); \
|
|
(PSTAT)->low += __val; \
|
|
if ((PSTAT)->low < __val) \
|
|
(PSTAT)->high += 1; \
|
|
} while (0)
|
|
|
|
static void tg3_periodic_fetch_stats(struct tg3 *tp)
|
|
{
|
|
struct tg3_hw_stats *sp = tp->hw_stats;
|
|
|
|
if (!tp->link_up)
|
|
return;
|
|
|
|
TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
|
|
TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
|
|
TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
|
|
TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
|
|
TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
|
|
TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
|
|
TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
|
|
TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
|
|
TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
|
|
TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
|
|
TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
|
|
TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
|
|
TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
|
|
if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
|
|
(sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
|
|
sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
|
|
u32 val;
|
|
|
|
val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
|
|
val &= ~tg3_lso_rd_dma_workaround_bit(tp);
|
|
tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
|
|
tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
|
|
}
|
|
|
|
TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
|
|
TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
|
|
TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
|
|
TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
|
|
TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
|
|
TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
|
|
TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
|
|
TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
|
|
TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
|
|
TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
|
|
TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
|
|
TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
|
|
TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
|
|
TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
|
|
|
|
TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5717 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5762 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5720_A0) {
|
|
TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
|
|
} else {
|
|
u32 val = tr32(HOSTCC_FLOW_ATTN);
|
|
val = (val & HOSTCC_FLOW_ATTN_MBUF_LWM) ? 1 : 0;
|
|
if (val) {
|
|
tw32(HOSTCC_FLOW_ATTN, HOSTCC_FLOW_ATTN_MBUF_LWM);
|
|
sp->rx_discards.low += val;
|
|
if (sp->rx_discards.low < val)
|
|
sp->rx_discards.high += 1;
|
|
}
|
|
sp->mbuf_lwm_thresh_hit = sp->rx_discards;
|
|
}
|
|
TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
|
|
}
|
|
|
|
static void tg3_chk_missed_msi(struct tg3 *tp)
|
|
{
|
|
u32 i;
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
if (tg3_has_work(tnapi)) {
|
|
if (tnapi->last_rx_cons == tnapi->rx_rcb_ptr &&
|
|
tnapi->last_tx_cons == tnapi->tx_cons) {
|
|
if (tnapi->chk_msi_cnt < 1) {
|
|
tnapi->chk_msi_cnt++;
|
|
return;
|
|
}
|
|
tg3_msi(0, tnapi);
|
|
}
|
|
}
|
|
tnapi->chk_msi_cnt = 0;
|
|
tnapi->last_rx_cons = tnapi->rx_rcb_ptr;
|
|
tnapi->last_tx_cons = tnapi->tx_cons;
|
|
}
|
|
}
|
|
|
|
static void tg3_timer(struct timer_list *t)
|
|
{
|
|
struct tg3 *tp = from_timer(tp, t, timer);
|
|
|
|
spin_lock(&tp->lock);
|
|
|
|
if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING)) {
|
|
spin_unlock(&tp->lock);
|
|
goto restart_timer;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_flag(tp, 57765_CLASS))
|
|
tg3_chk_missed_msi(tp);
|
|
|
|
if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
|
|
/* BCM4785: Flush posted writes from GbE to host memory. */
|
|
tr32(HOSTCC_MODE);
|
|
}
|
|
|
|
if (!tg3_flag(tp, TAGGED_STATUS)) {
|
|
/* All of this garbage is because when using non-tagged
|
|
* IRQ status the mailbox/status_block protocol the chip
|
|
* uses with the cpu is race prone.
|
|
*/
|
|
if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
|
|
tw32(GRC_LOCAL_CTRL,
|
|
tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
|
|
} else {
|
|
tw32(HOSTCC_MODE, tp->coalesce_mode |
|
|
HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
|
|
}
|
|
|
|
if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
|
|
spin_unlock(&tp->lock);
|
|
tg3_reset_task_schedule(tp);
|
|
goto restart_timer;
|
|
}
|
|
}
|
|
|
|
/* This part only runs once per second. */
|
|
if (!--tp->timer_counter) {
|
|
if (tg3_flag(tp, 5705_PLUS))
|
|
tg3_periodic_fetch_stats(tp);
|
|
|
|
if (tp->setlpicnt && !--tp->setlpicnt)
|
|
tg3_phy_eee_enable(tp);
|
|
|
|
if (tg3_flag(tp, USE_LINKCHG_REG)) {
|
|
u32 mac_stat;
|
|
int phy_event;
|
|
|
|
mac_stat = tr32(MAC_STATUS);
|
|
|
|
phy_event = 0;
|
|
if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) {
|
|
if (mac_stat & MAC_STATUS_MI_INTERRUPT)
|
|
phy_event = 1;
|
|
} else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
|
|
phy_event = 1;
|
|
|
|
if (phy_event)
|
|
tg3_setup_phy(tp, false);
|
|
} else if (tg3_flag(tp, POLL_SERDES)) {
|
|
u32 mac_stat = tr32(MAC_STATUS);
|
|
int need_setup = 0;
|
|
|
|
if (tp->link_up &&
|
|
(mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
|
|
need_setup = 1;
|
|
}
|
|
if (!tp->link_up &&
|
|
(mac_stat & (MAC_STATUS_PCS_SYNCED |
|
|
MAC_STATUS_SIGNAL_DET))) {
|
|
need_setup = 1;
|
|
}
|
|
if (need_setup) {
|
|
if (!tp->serdes_counter) {
|
|
tw32_f(MAC_MODE,
|
|
(tp->mac_mode &
|
|
~MAC_MODE_PORT_MODE_MASK));
|
|
udelay(40);
|
|
tw32_f(MAC_MODE, tp->mac_mode);
|
|
udelay(40);
|
|
}
|
|
tg3_setup_phy(tp, false);
|
|
}
|
|
} else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
tg3_serdes_parallel_detect(tp);
|
|
} else if (tg3_flag(tp, POLL_CPMU_LINK)) {
|
|
u32 cpmu = tr32(TG3_CPMU_STATUS);
|
|
bool link_up = !((cpmu & TG3_CPMU_STATUS_LINK_MASK) ==
|
|
TG3_CPMU_STATUS_LINK_MASK);
|
|
|
|
if (link_up != tp->link_up)
|
|
tg3_setup_phy(tp, false);
|
|
}
|
|
|
|
tp->timer_counter = tp->timer_multiplier;
|
|
}
|
|
|
|
/* Heartbeat is only sent once every 2 seconds.
|
|
*
|
|
* The heartbeat is to tell the ASF firmware that the host
|
|
* driver is still alive. In the event that the OS crashes,
|
|
* ASF needs to reset the hardware to free up the FIFO space
|
|
* that may be filled with rx packets destined for the host.
|
|
* If the FIFO is full, ASF will no longer function properly.
|
|
*
|
|
* Unintended resets have been reported on real time kernels
|
|
* where the timer doesn't run on time. Netpoll will also have
|
|
* same problem.
|
|
*
|
|
* The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
|
|
* to check the ring condition when the heartbeat is expiring
|
|
* before doing the reset. This will prevent most unintended
|
|
* resets.
|
|
*/
|
|
if (!--tp->asf_counter) {
|
|
if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) {
|
|
tg3_wait_for_event_ack(tp);
|
|
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
|
|
FWCMD_NICDRV_ALIVE3);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
|
|
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX,
|
|
TG3_FW_UPDATE_TIMEOUT_SEC);
|
|
|
|
tg3_generate_fw_event(tp);
|
|
}
|
|
tp->asf_counter = tp->asf_multiplier;
|
|
}
|
|
|
|
/* Update the APE heartbeat every 5 seconds.*/
|
|
tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL);
|
|
|
|
spin_unlock(&tp->lock);
|
|
|
|
restart_timer:
|
|
tp->timer.expires = jiffies + tp->timer_offset;
|
|
add_timer(&tp->timer);
|
|
}
|
|
|
|
static void tg3_timer_init(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, TAGGED_STATUS) &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5717 &&
|
|
!tg3_flag(tp, 57765_CLASS))
|
|
tp->timer_offset = HZ;
|
|
else
|
|
tp->timer_offset = HZ / 10;
|
|
|
|
BUG_ON(tp->timer_offset > HZ);
|
|
|
|
tp->timer_multiplier = (HZ / tp->timer_offset);
|
|
tp->asf_multiplier = (HZ / tp->timer_offset) *
|
|
TG3_FW_UPDATE_FREQ_SEC;
|
|
|
|
timer_setup(&tp->timer, tg3_timer, 0);
|
|
}
|
|
|
|
static void tg3_timer_start(struct tg3 *tp)
|
|
{
|
|
tp->asf_counter = tp->asf_multiplier;
|
|
tp->timer_counter = tp->timer_multiplier;
|
|
|
|
tp->timer.expires = jiffies + tp->timer_offset;
|
|
add_timer(&tp->timer);
|
|
}
|
|
|
|
static void tg3_timer_stop(struct tg3 *tp)
|
|
{
|
|
del_timer_sync(&tp->timer);
|
|
}
|
|
|
|
/* Restart hardware after configuration changes, self-test, etc.
|
|
* Invoked with tp->lock held.
|
|
*/
|
|
static int tg3_restart_hw(struct tg3 *tp, bool reset_phy)
|
|
__releases(tp->lock)
|
|
__acquires(tp->lock)
|
|
{
|
|
int err;
|
|
|
|
err = tg3_init_hw(tp, reset_phy);
|
|
if (err) {
|
|
netdev_err(tp->dev,
|
|
"Failed to re-initialize device, aborting\n");
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_full_unlock(tp);
|
|
tg3_timer_stop(tp);
|
|
tp->irq_sync = 0;
|
|
tg3_napi_enable(tp);
|
|
dev_close(tp->dev);
|
|
tg3_full_lock(tp, 0);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void tg3_reset_task(struct work_struct *work)
|
|
{
|
|
struct tg3 *tp = container_of(work, struct tg3, reset_task);
|
|
int err;
|
|
|
|
rtnl_lock();
|
|
tg3_full_lock(tp, 0);
|
|
|
|
if (!netif_running(tp->dev)) {
|
|
tg3_flag_clear(tp, RESET_TASK_PENDING);
|
|
tg3_full_unlock(tp);
|
|
rtnl_unlock();
|
|
return;
|
|
}
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
tg3_phy_stop(tp);
|
|
|
|
tg3_netif_stop(tp);
|
|
|
|
tg3_full_lock(tp, 1);
|
|
|
|
if (tg3_flag(tp, TX_RECOVERY_PENDING)) {
|
|
tp->write32_tx_mbox = tg3_write32_tx_mbox;
|
|
tp->write32_rx_mbox = tg3_write_flush_reg32;
|
|
tg3_flag_set(tp, MBOX_WRITE_REORDER);
|
|
tg3_flag_clear(tp, TX_RECOVERY_PENDING);
|
|
}
|
|
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
|
|
err = tg3_init_hw(tp, true);
|
|
if (err) {
|
|
tg3_full_unlock(tp);
|
|
tp->irq_sync = 0;
|
|
tg3_napi_enable(tp);
|
|
/* Clear this flag so that tg3_reset_task_cancel() will not
|
|
* call cancel_work_sync() and wait forever.
|
|
*/
|
|
tg3_flag_clear(tp, RESET_TASK_PENDING);
|
|
dev_close(tp->dev);
|
|
goto out;
|
|
}
|
|
|
|
tg3_netif_start(tp);
|
|
tg3_full_unlock(tp);
|
|
tg3_phy_start(tp);
|
|
tg3_flag_clear(tp, RESET_TASK_PENDING);
|
|
out:
|
|
rtnl_unlock();
|
|
}
|
|
|
|
static int tg3_request_irq(struct tg3 *tp, int irq_num)
|
|
{
|
|
irq_handler_t fn;
|
|
unsigned long flags;
|
|
char *name;
|
|
struct tg3_napi *tnapi = &tp->napi[irq_num];
|
|
|
|
if (tp->irq_cnt == 1)
|
|
name = tp->dev->name;
|
|
else {
|
|
name = &tnapi->irq_lbl[0];
|
|
if (tnapi->tx_buffers && tnapi->rx_rcb)
|
|
snprintf(name, IFNAMSIZ,
|
|
"%s-txrx-%d", tp->dev->name, irq_num);
|
|
else if (tnapi->tx_buffers)
|
|
snprintf(name, IFNAMSIZ,
|
|
"%s-tx-%d", tp->dev->name, irq_num);
|
|
else if (tnapi->rx_rcb)
|
|
snprintf(name, IFNAMSIZ,
|
|
"%s-rx-%d", tp->dev->name, irq_num);
|
|
else
|
|
snprintf(name, IFNAMSIZ,
|
|
"%s-%d", tp->dev->name, irq_num);
|
|
name[IFNAMSIZ-1] = 0;
|
|
}
|
|
|
|
if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) {
|
|
fn = tg3_msi;
|
|
if (tg3_flag(tp, 1SHOT_MSI))
|
|
fn = tg3_msi_1shot;
|
|
flags = 0;
|
|
} else {
|
|
fn = tg3_interrupt;
|
|
if (tg3_flag(tp, TAGGED_STATUS))
|
|
fn = tg3_interrupt_tagged;
|
|
flags = IRQF_SHARED;
|
|
}
|
|
|
|
return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
|
|
}
|
|
|
|
static int tg3_test_interrupt(struct tg3 *tp)
|
|
{
|
|
struct tg3_napi *tnapi = &tp->napi[0];
|
|
struct net_device *dev = tp->dev;
|
|
int err, i, intr_ok = 0;
|
|
u32 val;
|
|
|
|
if (!netif_running(dev))
|
|
return -ENODEV;
|
|
|
|
tg3_disable_ints(tp);
|
|
|
|
free_irq(tnapi->irq_vec, tnapi);
|
|
|
|
/*
|
|
* Turn off MSI one shot mode. Otherwise this test has no
|
|
* observable way to know whether the interrupt was delivered.
|
|
*/
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
|
|
tw32(MSGINT_MODE, val);
|
|
}
|
|
|
|
err = request_irq(tnapi->irq_vec, tg3_test_isr,
|
|
IRQF_SHARED, dev->name, tnapi);
|
|
if (err)
|
|
return err;
|
|
|
|
tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
|
|
tg3_enable_ints(tp);
|
|
|
|
tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
|
|
tnapi->coal_now);
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
u32 int_mbox, misc_host_ctrl;
|
|
|
|
int_mbox = tr32_mailbox(tnapi->int_mbox);
|
|
misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
|
|
|
|
if ((int_mbox != 0) ||
|
|
(misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
|
|
intr_ok = 1;
|
|
break;
|
|
}
|
|
|
|
if (tg3_flag(tp, 57765_PLUS) &&
|
|
tnapi->hw_status->status_tag != tnapi->last_tag)
|
|
tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
|
|
|
|
msleep(10);
|
|
}
|
|
|
|
tg3_disable_ints(tp);
|
|
|
|
free_irq(tnapi->irq_vec, tnapi);
|
|
|
|
err = tg3_request_irq(tp, 0);
|
|
|
|
if (err)
|
|
return err;
|
|
|
|
if (intr_ok) {
|
|
/* Reenable MSI one shot mode. */
|
|
if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, 1SHOT_MSI)) {
|
|
val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
|
|
tw32(MSGINT_MODE, val);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
return -EIO;
|
|
}
|
|
|
|
/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
|
|
* successfully restored
|
|
*/
|
|
static int tg3_test_msi(struct tg3 *tp)
|
|
{
|
|
int err;
|
|
u16 pci_cmd;
|
|
|
|
if (!tg3_flag(tp, USING_MSI))
|
|
return 0;
|
|
|
|
/* Turn off SERR reporting in case MSI terminates with Master
|
|
* Abort.
|
|
*/
|
|
pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND,
|
|
pci_cmd & ~PCI_COMMAND_SERR);
|
|
|
|
err = tg3_test_interrupt(tp);
|
|
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
|
|
|
|
if (!err)
|
|
return 0;
|
|
|
|
/* other failures */
|
|
if (err != -EIO)
|
|
return err;
|
|
|
|
/* MSI test failed, go back to INTx mode */
|
|
netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching "
|
|
"to INTx mode. Please report this failure to the PCI "
|
|
"maintainer and include system chipset information\n");
|
|
|
|
free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
|
|
|
|
pci_disable_msi(tp->pdev);
|
|
|
|
tg3_flag_clear(tp, USING_MSI);
|
|
tp->napi[0].irq_vec = tp->pdev->irq;
|
|
|
|
err = tg3_request_irq(tp, 0);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Need to reset the chip because the MSI cycle may have terminated
|
|
* with Master Abort.
|
|
*/
|
|
tg3_full_lock(tp, 1);
|
|
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
err = tg3_init_hw(tp, true);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (err)
|
|
free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_request_firmware(struct tg3 *tp)
|
|
{
|
|
const struct tg3_firmware_hdr *fw_hdr;
|
|
|
|
if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
|
|
netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
|
|
tp->fw_needed);
|
|
return -ENOENT;
|
|
}
|
|
|
|
fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
|
|
|
|
/* Firmware blob starts with version numbers, followed by
|
|
* start address and _full_ length including BSS sections
|
|
* (which must be longer than the actual data, of course
|
|
*/
|
|
|
|
tp->fw_len = be32_to_cpu(fw_hdr->len); /* includes bss */
|
|
if (tp->fw_len < (tp->fw->size - TG3_FW_HDR_LEN)) {
|
|
netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
|
|
tp->fw_len, tp->fw_needed);
|
|
release_firmware(tp->fw);
|
|
tp->fw = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* We no longer need firmware; we have it. */
|
|
tp->fw_needed = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static u32 tg3_irq_count(struct tg3 *tp)
|
|
{
|
|
u32 irq_cnt = max(tp->rxq_cnt, tp->txq_cnt);
|
|
|
|
if (irq_cnt > 1) {
|
|
/* We want as many rx rings enabled as there are cpus.
|
|
* In multiqueue MSI-X mode, the first MSI-X vector
|
|
* only deals with link interrupts, etc, so we add
|
|
* one to the number of vectors we are requesting.
|
|
*/
|
|
irq_cnt = min_t(unsigned, irq_cnt + 1, tp->irq_max);
|
|
}
|
|
|
|
return irq_cnt;
|
|
}
|
|
|
|
static bool tg3_enable_msix(struct tg3 *tp)
|
|
{
|
|
int i, rc;
|
|
struct msix_entry msix_ent[TG3_IRQ_MAX_VECS];
|
|
|
|
tp->txq_cnt = tp->txq_req;
|
|
tp->rxq_cnt = tp->rxq_req;
|
|
if (!tp->rxq_cnt)
|
|
tp->rxq_cnt = netif_get_num_default_rss_queues();
|
|
if (tp->rxq_cnt > tp->rxq_max)
|
|
tp->rxq_cnt = tp->rxq_max;
|
|
|
|
/* Disable multiple TX rings by default. Simple round-robin hardware
|
|
* scheduling of the TX rings can cause starvation of rings with
|
|
* small packets when other rings have TSO or jumbo packets.
|
|
*/
|
|
if (!tp->txq_req)
|
|
tp->txq_cnt = 1;
|
|
|
|
tp->irq_cnt = tg3_irq_count(tp);
|
|
|
|
for (i = 0; i < tp->irq_max; i++) {
|
|
msix_ent[i].entry = i;
|
|
msix_ent[i].vector = 0;
|
|
}
|
|
|
|
rc = pci_enable_msix_range(tp->pdev, msix_ent, 1, tp->irq_cnt);
|
|
if (rc < 0) {
|
|
return false;
|
|
} else if (rc < tp->irq_cnt) {
|
|
netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
|
|
tp->irq_cnt, rc);
|
|
tp->irq_cnt = rc;
|
|
tp->rxq_cnt = max(rc - 1, 1);
|
|
if (tp->txq_cnt)
|
|
tp->txq_cnt = min(tp->rxq_cnt, tp->txq_max);
|
|
}
|
|
|
|
for (i = 0; i < tp->irq_max; i++)
|
|
tp->napi[i].irq_vec = msix_ent[i].vector;
|
|
|
|
if (netif_set_real_num_rx_queues(tp->dev, tp->rxq_cnt)) {
|
|
pci_disable_msix(tp->pdev);
|
|
return false;
|
|
}
|
|
|
|
if (tp->irq_cnt == 1)
|
|
return true;
|
|
|
|
tg3_flag_set(tp, ENABLE_RSS);
|
|
|
|
if (tp->txq_cnt > 1)
|
|
tg3_flag_set(tp, ENABLE_TSS);
|
|
|
|
netif_set_real_num_tx_queues(tp->dev, tp->txq_cnt);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void tg3_ints_init(struct tg3 *tp)
|
|
{
|
|
if ((tg3_flag(tp, SUPPORT_MSI) || tg3_flag(tp, SUPPORT_MSIX)) &&
|
|
!tg3_flag(tp, TAGGED_STATUS)) {
|
|
/* All MSI supporting chips should support tagged
|
|
* status. Assert that this is the case.
|
|
*/
|
|
netdev_warn(tp->dev,
|
|
"MSI without TAGGED_STATUS? Not using MSI\n");
|
|
goto defcfg;
|
|
}
|
|
|
|
if (tg3_flag(tp, SUPPORT_MSIX) && tg3_enable_msix(tp))
|
|
tg3_flag_set(tp, USING_MSIX);
|
|
else if (tg3_flag(tp, SUPPORT_MSI) && pci_enable_msi(tp->pdev) == 0)
|
|
tg3_flag_set(tp, USING_MSI);
|
|
|
|
if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) {
|
|
u32 msi_mode = tr32(MSGINT_MODE);
|
|
if (tg3_flag(tp, USING_MSIX) && tp->irq_cnt > 1)
|
|
msi_mode |= MSGINT_MODE_MULTIVEC_EN;
|
|
if (!tg3_flag(tp, 1SHOT_MSI))
|
|
msi_mode |= MSGINT_MODE_ONE_SHOT_DISABLE;
|
|
tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
|
|
}
|
|
defcfg:
|
|
if (!tg3_flag(tp, USING_MSIX)) {
|
|
tp->irq_cnt = 1;
|
|
tp->napi[0].irq_vec = tp->pdev->irq;
|
|
}
|
|
|
|
if (tp->irq_cnt == 1) {
|
|
tp->txq_cnt = 1;
|
|
tp->rxq_cnt = 1;
|
|
netif_set_real_num_tx_queues(tp->dev, 1);
|
|
netif_set_real_num_rx_queues(tp->dev, 1);
|
|
}
|
|
}
|
|
|
|
static void tg3_ints_fini(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, USING_MSIX))
|
|
pci_disable_msix(tp->pdev);
|
|
else if (tg3_flag(tp, USING_MSI))
|
|
pci_disable_msi(tp->pdev);
|
|
tg3_flag_clear(tp, USING_MSI);
|
|
tg3_flag_clear(tp, USING_MSIX);
|
|
tg3_flag_clear(tp, ENABLE_RSS);
|
|
tg3_flag_clear(tp, ENABLE_TSS);
|
|
}
|
|
|
|
static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq,
|
|
bool init)
|
|
{
|
|
struct net_device *dev = tp->dev;
|
|
int i, err;
|
|
|
|
/*
|
|
* Setup interrupts first so we know how
|
|
* many NAPI resources to allocate
|
|
*/
|
|
tg3_ints_init(tp);
|
|
|
|
tg3_rss_check_indir_tbl(tp);
|
|
|
|
/* The placement of this call is tied
|
|
* to the setup and use of Host TX descriptors.
|
|
*/
|
|
err = tg3_alloc_consistent(tp);
|
|
if (err)
|
|
goto out_ints_fini;
|
|
|
|
tg3_napi_init(tp);
|
|
|
|
tg3_napi_enable(tp);
|
|
|
|
for (i = 0; i < tp->irq_cnt; i++) {
|
|
err = tg3_request_irq(tp, i);
|
|
if (err) {
|
|
for (i--; i >= 0; i--) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
free_irq(tnapi->irq_vec, tnapi);
|
|
}
|
|
goto out_napi_fini;
|
|
}
|
|
}
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
if (init)
|
|
tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
|
|
|
|
err = tg3_init_hw(tp, reset_phy);
|
|
if (err) {
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_free_rings(tp);
|
|
}
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (err)
|
|
goto out_free_irq;
|
|
|
|
if (test_irq && tg3_flag(tp, USING_MSI)) {
|
|
err = tg3_test_msi(tp);
|
|
|
|
if (err) {
|
|
tg3_full_lock(tp, 0);
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_free_rings(tp);
|
|
tg3_full_unlock(tp);
|
|
|
|
goto out_napi_fini;
|
|
}
|
|
|
|
if (!tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) {
|
|
u32 val = tr32(PCIE_TRANSACTION_CFG);
|
|
|
|
tw32(PCIE_TRANSACTION_CFG,
|
|
val | PCIE_TRANS_CFG_1SHOT_MSI);
|
|
}
|
|
}
|
|
|
|
tg3_phy_start(tp);
|
|
|
|
tg3_hwmon_open(tp);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_timer_start(tp);
|
|
tg3_flag_set(tp, INIT_COMPLETE);
|
|
tg3_enable_ints(tp);
|
|
|
|
tg3_ptp_resume(tp);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
netif_tx_start_all_queues(dev);
|
|
|
|
/*
|
|
* Reset loopback feature if it was turned on while the device was down
|
|
* make sure that it's installed properly now.
|
|
*/
|
|
if (dev->features & NETIF_F_LOOPBACK)
|
|
tg3_set_loopback(dev, dev->features);
|
|
|
|
return 0;
|
|
|
|
out_free_irq:
|
|
for (i = tp->irq_cnt - 1; i >= 0; i--) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
free_irq(tnapi->irq_vec, tnapi);
|
|
}
|
|
|
|
out_napi_fini:
|
|
tg3_napi_disable(tp);
|
|
tg3_napi_fini(tp);
|
|
tg3_free_consistent(tp);
|
|
|
|
out_ints_fini:
|
|
tg3_ints_fini(tp);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void tg3_stop(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
tg3_reset_task_cancel(tp);
|
|
tg3_netif_stop(tp);
|
|
|
|
tg3_timer_stop(tp);
|
|
|
|
tg3_hwmon_close(tp);
|
|
|
|
tg3_phy_stop(tp);
|
|
|
|
tg3_full_lock(tp, 1);
|
|
|
|
tg3_disable_ints(tp);
|
|
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_free_rings(tp);
|
|
tg3_flag_clear(tp, INIT_COMPLETE);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
for (i = tp->irq_cnt - 1; i >= 0; i--) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
free_irq(tnapi->irq_vec, tnapi);
|
|
}
|
|
|
|
tg3_ints_fini(tp);
|
|
|
|
tg3_napi_fini(tp);
|
|
|
|
tg3_free_consistent(tp);
|
|
}
|
|
|
|
static int tg3_open(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err;
|
|
|
|
if (tp->pcierr_recovery) {
|
|
netdev_err(dev, "Failed to open device. PCI error recovery "
|
|
"in progress\n");
|
|
return -EAGAIN;
|
|
}
|
|
|
|
if (tp->fw_needed) {
|
|
err = tg3_request_firmware(tp);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766) {
|
|
if (err) {
|
|
netdev_warn(tp->dev, "EEE capability disabled\n");
|
|
tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP;
|
|
} else if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
|
|
netdev_warn(tp->dev, "EEE capability restored\n");
|
|
tp->phy_flags |= TG3_PHYFLG_EEE_CAP;
|
|
}
|
|
} else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) {
|
|
if (err)
|
|
return err;
|
|
} else if (err) {
|
|
netdev_warn(tp->dev, "TSO capability disabled\n");
|
|
tg3_flag_clear(tp, TSO_CAPABLE);
|
|
} else if (!tg3_flag(tp, TSO_CAPABLE)) {
|
|
netdev_notice(tp->dev, "TSO capability restored\n");
|
|
tg3_flag_set(tp, TSO_CAPABLE);
|
|
}
|
|
}
|
|
|
|
tg3_carrier_off(tp);
|
|
|
|
err = tg3_power_up(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_disable_ints(tp);
|
|
tg3_flag_clear(tp, INIT_COMPLETE);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
err = tg3_start(tp,
|
|
!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN),
|
|
true, true);
|
|
if (err) {
|
|
tg3_frob_aux_power(tp, false);
|
|
pci_set_power_state(tp->pdev, PCI_D3hot);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_close(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (tp->pcierr_recovery) {
|
|
netdev_err(dev, "Failed to close device. PCI error recovery "
|
|
"in progress\n");
|
|
return -EAGAIN;
|
|
}
|
|
|
|
tg3_stop(tp);
|
|
|
|
if (pci_device_is_present(tp->pdev)) {
|
|
tg3_power_down_prepare(tp);
|
|
|
|
tg3_carrier_off(tp);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline u64 get_stat64(tg3_stat64_t *val)
|
|
{
|
|
return ((u64)val->high << 32) | ((u64)val->low);
|
|
}
|
|
|
|
static u64 tg3_calc_crc_errors(struct tg3 *tp)
|
|
{
|
|
struct tg3_hw_stats *hw_stats = tp->hw_stats;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
|
|
(tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701)) {
|
|
u32 val;
|
|
|
|
if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
|
|
tg3_writephy(tp, MII_TG3_TEST1,
|
|
val | MII_TG3_TEST1_CRC_EN);
|
|
tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val);
|
|
} else
|
|
val = 0;
|
|
|
|
tp->phy_crc_errors += val;
|
|
|
|
return tp->phy_crc_errors;
|
|
}
|
|
|
|
return get_stat64(&hw_stats->rx_fcs_errors);
|
|
}
|
|
|
|
#define ESTAT_ADD(member) \
|
|
estats->member = old_estats->member + \
|
|
get_stat64(&hw_stats->member)
|
|
|
|
static void tg3_get_estats(struct tg3 *tp, struct tg3_ethtool_stats *estats)
|
|
{
|
|
struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
|
|
struct tg3_hw_stats *hw_stats = tp->hw_stats;
|
|
|
|
ESTAT_ADD(rx_octets);
|
|
ESTAT_ADD(rx_fragments);
|
|
ESTAT_ADD(rx_ucast_packets);
|
|
ESTAT_ADD(rx_mcast_packets);
|
|
ESTAT_ADD(rx_bcast_packets);
|
|
ESTAT_ADD(rx_fcs_errors);
|
|
ESTAT_ADD(rx_align_errors);
|
|
ESTAT_ADD(rx_xon_pause_rcvd);
|
|
ESTAT_ADD(rx_xoff_pause_rcvd);
|
|
ESTAT_ADD(rx_mac_ctrl_rcvd);
|
|
ESTAT_ADD(rx_xoff_entered);
|
|
ESTAT_ADD(rx_frame_too_long_errors);
|
|
ESTAT_ADD(rx_jabbers);
|
|
ESTAT_ADD(rx_undersize_packets);
|
|
ESTAT_ADD(rx_in_length_errors);
|
|
ESTAT_ADD(rx_out_length_errors);
|
|
ESTAT_ADD(rx_64_or_less_octet_packets);
|
|
ESTAT_ADD(rx_65_to_127_octet_packets);
|
|
ESTAT_ADD(rx_128_to_255_octet_packets);
|
|
ESTAT_ADD(rx_256_to_511_octet_packets);
|
|
ESTAT_ADD(rx_512_to_1023_octet_packets);
|
|
ESTAT_ADD(rx_1024_to_1522_octet_packets);
|
|
ESTAT_ADD(rx_1523_to_2047_octet_packets);
|
|
ESTAT_ADD(rx_2048_to_4095_octet_packets);
|
|
ESTAT_ADD(rx_4096_to_8191_octet_packets);
|
|
ESTAT_ADD(rx_8192_to_9022_octet_packets);
|
|
|
|
ESTAT_ADD(tx_octets);
|
|
ESTAT_ADD(tx_collisions);
|
|
ESTAT_ADD(tx_xon_sent);
|
|
ESTAT_ADD(tx_xoff_sent);
|
|
ESTAT_ADD(tx_flow_control);
|
|
ESTAT_ADD(tx_mac_errors);
|
|
ESTAT_ADD(tx_single_collisions);
|
|
ESTAT_ADD(tx_mult_collisions);
|
|
ESTAT_ADD(tx_deferred);
|
|
ESTAT_ADD(tx_excessive_collisions);
|
|
ESTAT_ADD(tx_late_collisions);
|
|
ESTAT_ADD(tx_collide_2times);
|
|
ESTAT_ADD(tx_collide_3times);
|
|
ESTAT_ADD(tx_collide_4times);
|
|
ESTAT_ADD(tx_collide_5times);
|
|
ESTAT_ADD(tx_collide_6times);
|
|
ESTAT_ADD(tx_collide_7times);
|
|
ESTAT_ADD(tx_collide_8times);
|
|
ESTAT_ADD(tx_collide_9times);
|
|
ESTAT_ADD(tx_collide_10times);
|
|
ESTAT_ADD(tx_collide_11times);
|
|
ESTAT_ADD(tx_collide_12times);
|
|
ESTAT_ADD(tx_collide_13times);
|
|
ESTAT_ADD(tx_collide_14times);
|
|
ESTAT_ADD(tx_collide_15times);
|
|
ESTAT_ADD(tx_ucast_packets);
|
|
ESTAT_ADD(tx_mcast_packets);
|
|
ESTAT_ADD(tx_bcast_packets);
|
|
ESTAT_ADD(tx_carrier_sense_errors);
|
|
ESTAT_ADD(tx_discards);
|
|
ESTAT_ADD(tx_errors);
|
|
|
|
ESTAT_ADD(dma_writeq_full);
|
|
ESTAT_ADD(dma_write_prioq_full);
|
|
ESTAT_ADD(rxbds_empty);
|
|
ESTAT_ADD(rx_discards);
|
|
ESTAT_ADD(rx_errors);
|
|
ESTAT_ADD(rx_threshold_hit);
|
|
|
|
ESTAT_ADD(dma_readq_full);
|
|
ESTAT_ADD(dma_read_prioq_full);
|
|
ESTAT_ADD(tx_comp_queue_full);
|
|
|
|
ESTAT_ADD(ring_set_send_prod_index);
|
|
ESTAT_ADD(ring_status_update);
|
|
ESTAT_ADD(nic_irqs);
|
|
ESTAT_ADD(nic_avoided_irqs);
|
|
ESTAT_ADD(nic_tx_threshold_hit);
|
|
|
|
ESTAT_ADD(mbuf_lwm_thresh_hit);
|
|
}
|
|
|
|
static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
|
|
struct tg3_hw_stats *hw_stats = tp->hw_stats;
|
|
|
|
stats->rx_packets = old_stats->rx_packets +
|
|
get_stat64(&hw_stats->rx_ucast_packets) +
|
|
get_stat64(&hw_stats->rx_mcast_packets) +
|
|
get_stat64(&hw_stats->rx_bcast_packets);
|
|
|
|
stats->tx_packets = old_stats->tx_packets +
|
|
get_stat64(&hw_stats->tx_ucast_packets) +
|
|
get_stat64(&hw_stats->tx_mcast_packets) +
|
|
get_stat64(&hw_stats->tx_bcast_packets);
|
|
|
|
stats->rx_bytes = old_stats->rx_bytes +
|
|
get_stat64(&hw_stats->rx_octets);
|
|
stats->tx_bytes = old_stats->tx_bytes +
|
|
get_stat64(&hw_stats->tx_octets);
|
|
|
|
stats->rx_errors = old_stats->rx_errors +
|
|
get_stat64(&hw_stats->rx_errors);
|
|
stats->tx_errors = old_stats->tx_errors +
|
|
get_stat64(&hw_stats->tx_errors) +
|
|
get_stat64(&hw_stats->tx_mac_errors) +
|
|
get_stat64(&hw_stats->tx_carrier_sense_errors) +
|
|
get_stat64(&hw_stats->tx_discards);
|
|
|
|
stats->multicast = old_stats->multicast +
|
|
get_stat64(&hw_stats->rx_mcast_packets);
|
|
stats->collisions = old_stats->collisions +
|
|
get_stat64(&hw_stats->tx_collisions);
|
|
|
|
stats->rx_length_errors = old_stats->rx_length_errors +
|
|
get_stat64(&hw_stats->rx_frame_too_long_errors) +
|
|
get_stat64(&hw_stats->rx_undersize_packets);
|
|
|
|
stats->rx_frame_errors = old_stats->rx_frame_errors +
|
|
get_stat64(&hw_stats->rx_align_errors);
|
|
stats->tx_aborted_errors = old_stats->tx_aborted_errors +
|
|
get_stat64(&hw_stats->tx_discards);
|
|
stats->tx_carrier_errors = old_stats->tx_carrier_errors +
|
|
get_stat64(&hw_stats->tx_carrier_sense_errors);
|
|
|
|
stats->rx_crc_errors = old_stats->rx_crc_errors +
|
|
tg3_calc_crc_errors(tp);
|
|
|
|
stats->rx_missed_errors = old_stats->rx_missed_errors +
|
|
get_stat64(&hw_stats->rx_discards);
|
|
|
|
stats->rx_dropped = tp->rx_dropped;
|
|
stats->tx_dropped = tp->tx_dropped;
|
|
}
|
|
|
|
static int tg3_get_regs_len(struct net_device *dev)
|
|
{
|
|
return TG3_REG_BLK_SIZE;
|
|
}
|
|
|
|
static void tg3_get_regs(struct net_device *dev,
|
|
struct ethtool_regs *regs, void *_p)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
regs->version = 0;
|
|
|
|
memset(_p, 0, TG3_REG_BLK_SIZE);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
|
|
return;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_dump_legacy_regs(tp, (u32 *)_p);
|
|
|
|
tg3_full_unlock(tp);
|
|
}
|
|
|
|
static int tg3_get_eeprom_len(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
return tp->nvram_size;
|
|
}
|
|
|
|
static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int ret, cpmu_restore = 0;
|
|
u8 *pd;
|
|
u32 i, offset, len, b_offset, b_count, cpmu_val = 0;
|
|
__be32 val;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM))
|
|
return -EINVAL;
|
|
|
|
offset = eeprom->offset;
|
|
len = eeprom->len;
|
|
eeprom->len = 0;
|
|
|
|
eeprom->magic = TG3_EEPROM_MAGIC;
|
|
|
|
/* Override clock, link aware and link idle modes */
|
|
if (tg3_flag(tp, CPMU_PRESENT)) {
|
|
cpmu_val = tr32(TG3_CPMU_CTRL);
|
|
if (cpmu_val & (CPMU_CTRL_LINK_AWARE_MODE |
|
|
CPMU_CTRL_LINK_IDLE_MODE)) {
|
|
tw32(TG3_CPMU_CTRL, cpmu_val &
|
|
~(CPMU_CTRL_LINK_AWARE_MODE |
|
|
CPMU_CTRL_LINK_IDLE_MODE));
|
|
cpmu_restore = 1;
|
|
}
|
|
}
|
|
tg3_override_clk(tp);
|
|
|
|
if (offset & 3) {
|
|
/* adjustments to start on required 4 byte boundary */
|
|
b_offset = offset & 3;
|
|
b_count = 4 - b_offset;
|
|
if (b_count > len) {
|
|
/* i.e. offset=1 len=2 */
|
|
b_count = len;
|
|
}
|
|
ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
|
|
if (ret)
|
|
goto eeprom_done;
|
|
memcpy(data, ((char *)&val) + b_offset, b_count);
|
|
len -= b_count;
|
|
offset += b_count;
|
|
eeprom->len += b_count;
|
|
}
|
|
|
|
/* read bytes up to the last 4 byte boundary */
|
|
pd = &data[eeprom->len];
|
|
for (i = 0; i < (len - (len & 3)); i += 4) {
|
|
ret = tg3_nvram_read_be32(tp, offset + i, &val);
|
|
if (ret) {
|
|
if (i)
|
|
i -= 4;
|
|
eeprom->len += i;
|
|
goto eeprom_done;
|
|
}
|
|
memcpy(pd + i, &val, 4);
|
|
if (need_resched()) {
|
|
if (signal_pending(current)) {
|
|
eeprom->len += i;
|
|
ret = -EINTR;
|
|
goto eeprom_done;
|
|
}
|
|
cond_resched();
|
|
}
|
|
}
|
|
eeprom->len += i;
|
|
|
|
if (len & 3) {
|
|
/* read last bytes not ending on 4 byte boundary */
|
|
pd = &data[eeprom->len];
|
|
b_count = len & 3;
|
|
b_offset = offset + len - b_count;
|
|
ret = tg3_nvram_read_be32(tp, b_offset, &val);
|
|
if (ret)
|
|
goto eeprom_done;
|
|
memcpy(pd, &val, b_count);
|
|
eeprom->len += b_count;
|
|
}
|
|
ret = 0;
|
|
|
|
eeprom_done:
|
|
/* Restore clock, link aware and link idle modes */
|
|
tg3_restore_clk(tp);
|
|
if (cpmu_restore)
|
|
tw32(TG3_CPMU_CTRL, cpmu_val);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int ret;
|
|
u32 offset, len, b_offset, odd_len;
|
|
u8 *buf;
|
|
__be32 start = 0, end;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM) ||
|
|
eeprom->magic != TG3_EEPROM_MAGIC)
|
|
return -EINVAL;
|
|
|
|
offset = eeprom->offset;
|
|
len = eeprom->len;
|
|
|
|
if ((b_offset = (offset & 3))) {
|
|
/* adjustments to start on required 4 byte boundary */
|
|
ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
|
|
if (ret)
|
|
return ret;
|
|
len += b_offset;
|
|
offset &= ~3;
|
|
if (len < 4)
|
|
len = 4;
|
|
}
|
|
|
|
odd_len = 0;
|
|
if (len & 3) {
|
|
/* adjustments to end on required 4 byte boundary */
|
|
odd_len = 1;
|
|
len = (len + 3) & ~3;
|
|
ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
buf = data;
|
|
if (b_offset || odd_len) {
|
|
buf = kmalloc(len, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
if (b_offset)
|
|
memcpy(buf, &start, 4);
|
|
if (odd_len)
|
|
memcpy(buf+len-4, &end, 4);
|
|
memcpy(buf + b_offset, data, eeprom->len);
|
|
}
|
|
|
|
ret = tg3_nvram_write_block(tp, offset, len, buf);
|
|
|
|
if (buf != data)
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tg3_get_link_ksettings(struct net_device *dev,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 supported, advertising;
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
struct phy_device *phydev;
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return -EAGAIN;
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
phy_ethtool_ksettings_get(phydev, cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
supported = (SUPPORTED_Autoneg);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
|
|
supported |= (SUPPORTED_1000baseT_Half |
|
|
SUPPORTED_1000baseT_Full);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
|
|
supported |= (SUPPORTED_100baseT_Half |
|
|
SUPPORTED_100baseT_Full |
|
|
SUPPORTED_10baseT_Half |
|
|
SUPPORTED_10baseT_Full |
|
|
SUPPORTED_TP);
|
|
cmd->base.port = PORT_TP;
|
|
} else {
|
|
supported |= SUPPORTED_FIBRE;
|
|
cmd->base.port = PORT_FIBRE;
|
|
}
|
|
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
|
|
supported);
|
|
|
|
advertising = tp->link_config.advertising;
|
|
if (tg3_flag(tp, PAUSE_AUTONEG)) {
|
|
if (tp->link_config.flowctrl & FLOW_CTRL_RX) {
|
|
if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
|
|
advertising |= ADVERTISED_Pause;
|
|
} else {
|
|
advertising |= ADVERTISED_Pause |
|
|
ADVERTISED_Asym_Pause;
|
|
}
|
|
} else if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
|
|
advertising |= ADVERTISED_Asym_Pause;
|
|
}
|
|
}
|
|
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
|
|
advertising);
|
|
|
|
if (netif_running(dev) && tp->link_up) {
|
|
cmd->base.speed = tp->link_config.active_speed;
|
|
cmd->base.duplex = tp->link_config.active_duplex;
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
|
cmd->link_modes.lp_advertising,
|
|
tp->link_config.rmt_adv);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
|
|
if (tp->phy_flags & TG3_PHYFLG_MDIX_STATE)
|
|
cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
|
|
else
|
|
cmd->base.eth_tp_mdix = ETH_TP_MDI;
|
|
}
|
|
} else {
|
|
cmd->base.speed = SPEED_UNKNOWN;
|
|
cmd->base.duplex = DUPLEX_UNKNOWN;
|
|
cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
|
|
}
|
|
cmd->base.phy_address = tp->phy_addr;
|
|
cmd->base.autoneg = tp->link_config.autoneg;
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_set_link_ksettings(struct net_device *dev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 speed = cmd->base.speed;
|
|
u32 advertising;
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
struct phy_device *phydev;
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return -EAGAIN;
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
return phy_ethtool_ksettings_set(phydev, cmd);
|
|
}
|
|
|
|
if (cmd->base.autoneg != AUTONEG_ENABLE &&
|
|
cmd->base.autoneg != AUTONEG_DISABLE)
|
|
return -EINVAL;
|
|
|
|
if (cmd->base.autoneg == AUTONEG_DISABLE &&
|
|
cmd->base.duplex != DUPLEX_FULL &&
|
|
cmd->base.duplex != DUPLEX_HALF)
|
|
return -EINVAL;
|
|
|
|
ethtool_convert_link_mode_to_legacy_u32(&advertising,
|
|
cmd->link_modes.advertising);
|
|
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE) {
|
|
u32 mask = ADVERTISED_Autoneg |
|
|
ADVERTISED_Pause |
|
|
ADVERTISED_Asym_Pause;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
|
|
mask |= ADVERTISED_1000baseT_Half |
|
|
ADVERTISED_1000baseT_Full;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
|
|
mask |= ADVERTISED_100baseT_Half |
|
|
ADVERTISED_100baseT_Full |
|
|
ADVERTISED_10baseT_Half |
|
|
ADVERTISED_10baseT_Full |
|
|
ADVERTISED_TP;
|
|
else
|
|
mask |= ADVERTISED_FIBRE;
|
|
|
|
if (advertising & ~mask)
|
|
return -EINVAL;
|
|
|
|
mask &= (ADVERTISED_1000baseT_Half |
|
|
ADVERTISED_1000baseT_Full |
|
|
ADVERTISED_100baseT_Half |
|
|
ADVERTISED_100baseT_Full |
|
|
ADVERTISED_10baseT_Half |
|
|
ADVERTISED_10baseT_Full);
|
|
|
|
advertising &= mask;
|
|
} else {
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) {
|
|
if (speed != SPEED_1000)
|
|
return -EINVAL;
|
|
|
|
if (cmd->base.duplex != DUPLEX_FULL)
|
|
return -EINVAL;
|
|
} else {
|
|
if (speed != SPEED_100 &&
|
|
speed != SPEED_10)
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tp->link_config.autoneg = cmd->base.autoneg;
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE) {
|
|
tp->link_config.advertising = (advertising |
|
|
ADVERTISED_Autoneg);
|
|
tp->link_config.speed = SPEED_UNKNOWN;
|
|
tp->link_config.duplex = DUPLEX_UNKNOWN;
|
|
} else {
|
|
tp->link_config.advertising = 0;
|
|
tp->link_config.speed = speed;
|
|
tp->link_config.duplex = cmd->base.duplex;
|
|
}
|
|
|
|
tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
|
|
|
|
tg3_warn_mgmt_link_flap(tp);
|
|
|
|
if (netif_running(dev))
|
|
tg3_setup_phy(tp, true);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
|
|
strlcpy(info->fw_version, tp->fw_ver, sizeof(info->fw_version));
|
|
strlcpy(info->bus_info, pci_name(tp->pdev), sizeof(info->bus_info));
|
|
}
|
|
|
|
static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (tg3_flag(tp, WOL_CAP) && device_can_wakeup(&tp->pdev->dev))
|
|
wol->supported = WAKE_MAGIC;
|
|
else
|
|
wol->supported = 0;
|
|
wol->wolopts = 0;
|
|
if (tg3_flag(tp, WOL_ENABLE) && device_can_wakeup(&tp->pdev->dev))
|
|
wol->wolopts = WAKE_MAGIC;
|
|
memset(&wol->sopass, 0, sizeof(wol->sopass));
|
|
}
|
|
|
|
static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
struct device *dp = &tp->pdev->dev;
|
|
|
|
if (wol->wolopts & ~WAKE_MAGIC)
|
|
return -EINVAL;
|
|
if ((wol->wolopts & WAKE_MAGIC) &&
|
|
!(tg3_flag(tp, WOL_CAP) && device_can_wakeup(dp)))
|
|
return -EINVAL;
|
|
|
|
device_set_wakeup_enable(dp, wol->wolopts & WAKE_MAGIC);
|
|
|
|
if (device_may_wakeup(dp))
|
|
tg3_flag_set(tp, WOL_ENABLE);
|
|
else
|
|
tg3_flag_clear(tp, WOL_ENABLE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 tg3_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
return tp->msg_enable;
|
|
}
|
|
|
|
static void tg3_set_msglevel(struct net_device *dev, u32 value)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
tp->msg_enable = value;
|
|
}
|
|
|
|
static int tg3_nway_reset(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int r;
|
|
|
|
if (!netif_running(dev))
|
|
return -EAGAIN;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
|
|
return -EINVAL;
|
|
|
|
tg3_warn_mgmt_link_flap(tp);
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return -EAGAIN;
|
|
r = phy_start_aneg(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
|
|
} else {
|
|
u32 bmcr;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
r = -EINVAL;
|
|
tg3_readphy(tp, MII_BMCR, &bmcr);
|
|
if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
|
|
((bmcr & BMCR_ANENABLE) ||
|
|
(tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT))) {
|
|
tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
|
|
BMCR_ANENABLE);
|
|
r = 0;
|
|
}
|
|
spin_unlock_bh(&tp->lock);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
ering->rx_max_pending = tp->rx_std_ring_mask;
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE))
|
|
ering->rx_jumbo_max_pending = tp->rx_jmb_ring_mask;
|
|
else
|
|
ering->rx_jumbo_max_pending = 0;
|
|
|
|
ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
|
|
|
|
ering->rx_pending = tp->rx_pending;
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE))
|
|
ering->rx_jumbo_pending = tp->rx_jumbo_pending;
|
|
else
|
|
ering->rx_jumbo_pending = 0;
|
|
|
|
ering->tx_pending = tp->napi[0].tx_pending;
|
|
}
|
|
|
|
static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int i, irq_sync = 0, err = 0;
|
|
bool reset_phy = false;
|
|
|
|
if ((ering->rx_pending > tp->rx_std_ring_mask) ||
|
|
(ering->rx_jumbo_pending > tp->rx_jmb_ring_mask) ||
|
|
(ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
|
|
(ering->tx_pending <= MAX_SKB_FRAGS) ||
|
|
(tg3_flag(tp, TSO_BUG) &&
|
|
(ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
|
|
return -EINVAL;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_phy_stop(tp);
|
|
tg3_netif_stop(tp);
|
|
irq_sync = 1;
|
|
}
|
|
|
|
tg3_full_lock(tp, irq_sync);
|
|
|
|
tp->rx_pending = ering->rx_pending;
|
|
|
|
if (tg3_flag(tp, MAX_RXPEND_64) &&
|
|
tp->rx_pending > 63)
|
|
tp->rx_pending = 63;
|
|
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE))
|
|
tp->rx_jumbo_pending = ering->rx_jumbo_pending;
|
|
|
|
for (i = 0; i < tp->irq_max; i++)
|
|
tp->napi[i].tx_pending = ering->tx_pending;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
/* Reset PHY to avoid PHY lock up */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
reset_phy = true;
|
|
|
|
err = tg3_restart_hw(tp, reset_phy);
|
|
if (!err)
|
|
tg3_netif_start(tp);
|
|
}
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (irq_sync && !err)
|
|
tg3_phy_start(tp);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
epause->autoneg = !!tg3_flag(tp, PAUSE_AUTONEG);
|
|
|
|
if (tp->link_config.flowctrl & FLOW_CTRL_RX)
|
|
epause->rx_pause = 1;
|
|
else
|
|
epause->rx_pause = 0;
|
|
|
|
if (tp->link_config.flowctrl & FLOW_CTRL_TX)
|
|
epause->tx_pause = 1;
|
|
else
|
|
epause->tx_pause = 0;
|
|
}
|
|
|
|
static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err = 0;
|
|
bool reset_phy = false;
|
|
|
|
if (tp->link_config.autoneg == AUTONEG_ENABLE)
|
|
tg3_warn_mgmt_link_flap(tp);
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
struct phy_device *phydev;
|
|
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
|
|
if (!phy_validate_pause(phydev, epause))
|
|
return -EINVAL;
|
|
|
|
tp->link_config.flowctrl = 0;
|
|
phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
|
|
if (epause->rx_pause) {
|
|
tp->link_config.flowctrl |= FLOW_CTRL_RX;
|
|
|
|
if (epause->tx_pause) {
|
|
tp->link_config.flowctrl |= FLOW_CTRL_TX;
|
|
}
|
|
} else if (epause->tx_pause) {
|
|
tp->link_config.flowctrl |= FLOW_CTRL_TX;
|
|
}
|
|
|
|
if (epause->autoneg)
|
|
tg3_flag_set(tp, PAUSE_AUTONEG);
|
|
else
|
|
tg3_flag_clear(tp, PAUSE_AUTONEG);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
|
|
if (phydev->autoneg) {
|
|
/* phy_set_asym_pause() will
|
|
* renegotiate the link to inform our
|
|
* link partner of our flow control
|
|
* settings, even if the flow control
|
|
* is forced. Let tg3_adjust_link()
|
|
* do the final flow control setup.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
if (!epause->autoneg)
|
|
tg3_setup_flow_control(tp, 0, 0);
|
|
}
|
|
} else {
|
|
int irq_sync = 0;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_netif_stop(tp);
|
|
irq_sync = 1;
|
|
}
|
|
|
|
tg3_full_lock(tp, irq_sync);
|
|
|
|
if (epause->autoneg)
|
|
tg3_flag_set(tp, PAUSE_AUTONEG);
|
|
else
|
|
tg3_flag_clear(tp, PAUSE_AUTONEG);
|
|
if (epause->rx_pause)
|
|
tp->link_config.flowctrl |= FLOW_CTRL_RX;
|
|
else
|
|
tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
|
|
if (epause->tx_pause)
|
|
tp->link_config.flowctrl |= FLOW_CTRL_TX;
|
|
else
|
|
tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
/* Reset PHY to avoid PHY lock up */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
reset_phy = true;
|
|
|
|
err = tg3_restart_hw(tp, reset_phy);
|
|
if (!err)
|
|
tg3_netif_start(tp);
|
|
}
|
|
|
|
tg3_full_unlock(tp);
|
|
}
|
|
|
|
tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_TEST:
|
|
return TG3_NUM_TEST;
|
|
case ETH_SS_STATS:
|
|
return TG3_NUM_STATS;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int tg3_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
|
|
u32 *rules __always_unused)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (!tg3_flag(tp, SUPPORT_MSIX))
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
if (netif_running(tp->dev))
|
|
info->data = tp->rxq_cnt;
|
|
else {
|
|
info->data = num_online_cpus();
|
|
if (info->data > TG3_RSS_MAX_NUM_QS)
|
|
info->data = TG3_RSS_MAX_NUM_QS;
|
|
}
|
|
|
|
return 0;
|
|
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static u32 tg3_get_rxfh_indir_size(struct net_device *dev)
|
|
{
|
|
u32 size = 0;
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (tg3_flag(tp, SUPPORT_MSIX))
|
|
size = TG3_RSS_INDIR_TBL_SIZE;
|
|
|
|
return size;
|
|
}
|
|
|
|
static int tg3_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int i;
|
|
|
|
if (hfunc)
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
|
if (!indir)
|
|
return 0;
|
|
|
|
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
|
|
indir[i] = tp->rss_ind_tbl[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_set_rxfh(struct net_device *dev, const u32 *indir, const u8 *key,
|
|
const u8 hfunc)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
size_t i;
|
|
|
|
/* We require at least one supported parameter to be changed and no
|
|
* change in any of the unsupported parameters
|
|
*/
|
|
if (key ||
|
|
(hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!indir)
|
|
return 0;
|
|
|
|
for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
|
|
tp->rss_ind_tbl[i] = indir[i];
|
|
|
|
if (!netif_running(dev) || !tg3_flag(tp, ENABLE_RSS))
|
|
return 0;
|
|
|
|
/* It is legal to write the indirection
|
|
* table while the device is running.
|
|
*/
|
|
tg3_full_lock(tp, 0);
|
|
tg3_rss_write_indir_tbl(tp);
|
|
tg3_full_unlock(tp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_get_channels(struct net_device *dev,
|
|
struct ethtool_channels *channel)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 deflt_qs = netif_get_num_default_rss_queues();
|
|
|
|
channel->max_rx = tp->rxq_max;
|
|
channel->max_tx = tp->txq_max;
|
|
|
|
if (netif_running(dev)) {
|
|
channel->rx_count = tp->rxq_cnt;
|
|
channel->tx_count = tp->txq_cnt;
|
|
} else {
|
|
if (tp->rxq_req)
|
|
channel->rx_count = tp->rxq_req;
|
|
else
|
|
channel->rx_count = min(deflt_qs, tp->rxq_max);
|
|
|
|
if (tp->txq_req)
|
|
channel->tx_count = tp->txq_req;
|
|
else
|
|
channel->tx_count = min(deflt_qs, tp->txq_max);
|
|
}
|
|
}
|
|
|
|
static int tg3_set_channels(struct net_device *dev,
|
|
struct ethtool_channels *channel)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (!tg3_flag(tp, SUPPORT_MSIX))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (channel->rx_count > tp->rxq_max ||
|
|
channel->tx_count > tp->txq_max)
|
|
return -EINVAL;
|
|
|
|
tp->rxq_req = channel->rx_count;
|
|
tp->txq_req = channel->tx_count;
|
|
|
|
if (!netif_running(dev))
|
|
return 0;
|
|
|
|
tg3_stop(tp);
|
|
|
|
tg3_carrier_off(tp);
|
|
|
|
tg3_start(tp, true, false, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
|
|
{
|
|
switch (stringset) {
|
|
case ETH_SS_STATS:
|
|
memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
|
|
break;
|
|
case ETH_SS_TEST:
|
|
memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys));
|
|
break;
|
|
default:
|
|
WARN_ON(1); /* we need a WARN() */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int tg3_set_phys_id(struct net_device *dev,
|
|
enum ethtool_phys_id_state state)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
switch (state) {
|
|
case ETHTOOL_ID_ACTIVE:
|
|
return 1; /* cycle on/off once per second */
|
|
|
|
case ETHTOOL_ID_ON:
|
|
tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_1000MBPS_ON |
|
|
LED_CTRL_100MBPS_ON |
|
|
LED_CTRL_10MBPS_ON |
|
|
LED_CTRL_TRAFFIC_OVERRIDE |
|
|
LED_CTRL_TRAFFIC_BLINK |
|
|
LED_CTRL_TRAFFIC_LED);
|
|
break;
|
|
|
|
case ETHTOOL_ID_OFF:
|
|
tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
|
|
LED_CTRL_TRAFFIC_OVERRIDE);
|
|
break;
|
|
|
|
case ETHTOOL_ID_INACTIVE:
|
|
tw32(MAC_LED_CTRL, tp->led_ctrl);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tg3_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *estats, u64 *tmp_stats)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (tp->hw_stats)
|
|
tg3_get_estats(tp, (struct tg3_ethtool_stats *)tmp_stats);
|
|
else
|
|
memset(tmp_stats, 0, sizeof(struct tg3_ethtool_stats));
|
|
}
|
|
|
|
static __be32 *tg3_vpd_readblock(struct tg3 *tp, unsigned int *vpdlen)
|
|
{
|
|
int i;
|
|
__be32 *buf;
|
|
u32 offset = 0, len = 0;
|
|
u32 magic, val;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &magic))
|
|
return NULL;
|
|
|
|
if (magic == TG3_EEPROM_MAGIC) {
|
|
for (offset = TG3_NVM_DIR_START;
|
|
offset < TG3_NVM_DIR_END;
|
|
offset += TG3_NVM_DIRENT_SIZE) {
|
|
if (tg3_nvram_read(tp, offset, &val))
|
|
return NULL;
|
|
|
|
if ((val >> TG3_NVM_DIRTYPE_SHIFT) ==
|
|
TG3_NVM_DIRTYPE_EXTVPD)
|
|
break;
|
|
}
|
|
|
|
if (offset != TG3_NVM_DIR_END) {
|
|
len = (val & TG3_NVM_DIRTYPE_LENMSK) * 4;
|
|
if (tg3_nvram_read(tp, offset + 4, &offset))
|
|
return NULL;
|
|
|
|
offset = tg3_nvram_logical_addr(tp, offset);
|
|
}
|
|
|
|
if (!offset || !len) {
|
|
offset = TG3_NVM_VPD_OFF;
|
|
len = TG3_NVM_VPD_LEN;
|
|
}
|
|
|
|
buf = kmalloc(len, GFP_KERNEL);
|
|
if (!buf)
|
|
return NULL;
|
|
|
|
for (i = 0; i < len; i += 4) {
|
|
/* The data is in little-endian format in NVRAM.
|
|
* Use the big-endian read routines to preserve
|
|
* the byte order as it exists in NVRAM.
|
|
*/
|
|
if (tg3_nvram_read_be32(tp, offset + i, &buf[i/4]))
|
|
goto error;
|
|
}
|
|
*vpdlen = len;
|
|
} else {
|
|
buf = pci_vpd_alloc(tp->pdev, vpdlen);
|
|
if (IS_ERR(buf))
|
|
return NULL;
|
|
}
|
|
|
|
return buf;
|
|
|
|
error:
|
|
kfree(buf);
|
|
return NULL;
|
|
}
|
|
|
|
#define NVRAM_TEST_SIZE 0x100
|
|
#define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
|
|
#define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
|
|
#define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
|
|
#define NVRAM_SELFBOOT_FORMAT1_4_SIZE 0x20
|
|
#define NVRAM_SELFBOOT_FORMAT1_5_SIZE 0x24
|
|
#define NVRAM_SELFBOOT_FORMAT1_6_SIZE 0x50
|
|
#define NVRAM_SELFBOOT_HW_SIZE 0x20
|
|
#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
|
|
|
|
static int tg3_test_nvram(struct tg3 *tp)
|
|
{
|
|
u32 csum, magic;
|
|
__be32 *buf;
|
|
int i, j, k, err = 0, size;
|
|
unsigned int len;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM))
|
|
return 0;
|
|
|
|
if (tg3_nvram_read(tp, 0, &magic) != 0)
|
|
return -EIO;
|
|
|
|
if (magic == TG3_EEPROM_MAGIC)
|
|
size = NVRAM_TEST_SIZE;
|
|
else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
|
|
if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
|
|
TG3_EEPROM_SB_FORMAT_1) {
|
|
switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
|
|
case TG3_EEPROM_SB_REVISION_0:
|
|
size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_2:
|
|
size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_3:
|
|
size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_4:
|
|
size = NVRAM_SELFBOOT_FORMAT1_4_SIZE;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_5:
|
|
size = NVRAM_SELFBOOT_FORMAT1_5_SIZE;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_6:
|
|
size = NVRAM_SELFBOOT_FORMAT1_6_SIZE;
|
|
break;
|
|
default:
|
|
return -EIO;
|
|
}
|
|
} else
|
|
return 0;
|
|
} else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
|
|
size = NVRAM_SELFBOOT_HW_SIZE;
|
|
else
|
|
return -EIO;
|
|
|
|
buf = kmalloc(size, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
err = -EIO;
|
|
for (i = 0, j = 0; i < size; i += 4, j++) {
|
|
err = tg3_nvram_read_be32(tp, i, &buf[j]);
|
|
if (err)
|
|
break;
|
|
}
|
|
if (i < size)
|
|
goto out;
|
|
|
|
/* Selfboot format */
|
|
magic = be32_to_cpu(buf[0]);
|
|
if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
|
|
TG3_EEPROM_MAGIC_FW) {
|
|
u8 *buf8 = (u8 *) buf, csum8 = 0;
|
|
|
|
if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
|
|
TG3_EEPROM_SB_REVISION_2) {
|
|
/* For rev 2, the csum doesn't include the MBA. */
|
|
for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
|
|
csum8 += buf8[i];
|
|
for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
|
|
csum8 += buf8[i];
|
|
} else {
|
|
for (i = 0; i < size; i++)
|
|
csum8 += buf8[i];
|
|
}
|
|
|
|
if (csum8 == 0) {
|
|
err = 0;
|
|
goto out;
|
|
}
|
|
|
|
err = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
|
|
TG3_EEPROM_MAGIC_HW) {
|
|
u8 data[NVRAM_SELFBOOT_DATA_SIZE];
|
|
u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
|
|
u8 *buf8 = (u8 *) buf;
|
|
|
|
/* Separate the parity bits and the data bytes. */
|
|
for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
|
|
if ((i == 0) || (i == 8)) {
|
|
int l;
|
|
u8 msk;
|
|
|
|
for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
|
|
parity[k++] = buf8[i] & msk;
|
|
i++;
|
|
} else if (i == 16) {
|
|
int l;
|
|
u8 msk;
|
|
|
|
for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
|
|
parity[k++] = buf8[i] & msk;
|
|
i++;
|
|
|
|
for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
|
|
parity[k++] = buf8[i] & msk;
|
|
i++;
|
|
}
|
|
data[j++] = buf8[i];
|
|
}
|
|
|
|
err = -EIO;
|
|
for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
|
|
u8 hw8 = hweight8(data[i]);
|
|
|
|
if ((hw8 & 0x1) && parity[i])
|
|
goto out;
|
|
else if (!(hw8 & 0x1) && !parity[i])
|
|
goto out;
|
|
}
|
|
err = 0;
|
|
goto out;
|
|
}
|
|
|
|
err = -EIO;
|
|
|
|
/* Bootstrap checksum at offset 0x10 */
|
|
csum = calc_crc((unsigned char *) buf, 0x10);
|
|
if (csum != le32_to_cpu(buf[0x10/4]))
|
|
goto out;
|
|
|
|
/* Manufacturing block starts at offset 0x74, checksum at 0xfc */
|
|
csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
|
|
if (csum != le32_to_cpu(buf[0xfc/4]))
|
|
goto out;
|
|
|
|
kfree(buf);
|
|
|
|
buf = tg3_vpd_readblock(tp, &len);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
err = pci_vpd_check_csum(buf, len);
|
|
/* go on if no checksum found */
|
|
if (err == 1)
|
|
err = 0;
|
|
out:
|
|
kfree(buf);
|
|
return err;
|
|
}
|
|
|
|
#define TG3_SERDES_TIMEOUT_SEC 2
|
|
#define TG3_COPPER_TIMEOUT_SEC 6
|
|
|
|
static int tg3_test_link(struct tg3 *tp)
|
|
{
|
|
int i, max;
|
|
|
|
if (!netif_running(tp->dev))
|
|
return -ENODEV;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
|
|
max = TG3_SERDES_TIMEOUT_SEC;
|
|
else
|
|
max = TG3_COPPER_TIMEOUT_SEC;
|
|
|
|
for (i = 0; i < max; i++) {
|
|
if (tp->link_up)
|
|
return 0;
|
|
|
|
if (msleep_interruptible(1000))
|
|
break;
|
|
}
|
|
|
|
return -EIO;
|
|
}
|
|
|
|
/* Only test the commonly used registers */
|
|
static int tg3_test_registers(struct tg3 *tp)
|
|
{
|
|
int i, is_5705, is_5750;
|
|
u32 offset, read_mask, write_mask, val, save_val, read_val;
|
|
static struct {
|
|
u16 offset;
|
|
u16 flags;
|
|
#define TG3_FL_5705 0x1
|
|
#define TG3_FL_NOT_5705 0x2
|
|
#define TG3_FL_NOT_5788 0x4
|
|
#define TG3_FL_NOT_5750 0x8
|
|
u32 read_mask;
|
|
u32 write_mask;
|
|
} reg_tbl[] = {
|
|
/* MAC Control Registers */
|
|
{ MAC_MODE, TG3_FL_NOT_5705,
|
|
0x00000000, 0x00ef6f8c },
|
|
{ MAC_MODE, TG3_FL_5705,
|
|
0x00000000, 0x01ef6b8c },
|
|
{ MAC_STATUS, TG3_FL_NOT_5705,
|
|
0x03800107, 0x00000000 },
|
|
{ MAC_STATUS, TG3_FL_5705,
|
|
0x03800100, 0x00000000 },
|
|
{ MAC_ADDR_0_HIGH, 0x0000,
|
|
0x00000000, 0x0000ffff },
|
|
{ MAC_ADDR_0_LOW, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ MAC_RX_MTU_SIZE, 0x0000,
|
|
0x00000000, 0x0000ffff },
|
|
{ MAC_TX_MODE, 0x0000,
|
|
0x00000000, 0x00000070 },
|
|
{ MAC_TX_LENGTHS, 0x0000,
|
|
0x00000000, 0x00003fff },
|
|
{ MAC_RX_MODE, TG3_FL_NOT_5705,
|
|
0x00000000, 0x000007fc },
|
|
{ MAC_RX_MODE, TG3_FL_5705,
|
|
0x00000000, 0x000007dc },
|
|
{ MAC_HASH_REG_0, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ MAC_HASH_REG_1, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ MAC_HASH_REG_2, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ MAC_HASH_REG_3, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
|
|
/* Receive Data and Receive BD Initiator Control Registers. */
|
|
{ RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
|
|
0x00000000, 0x00000003 },
|
|
{ RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVDBDI_STD_BD+0, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVDBDI_STD_BD+4, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVDBDI_STD_BD+8, 0x0000,
|
|
0x00000000, 0xffff0002 },
|
|
{ RCVDBDI_STD_BD+0xc, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
|
|
/* Receive BD Initiator Control Registers. */
|
|
{ RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ RCVBDI_STD_THRESH, TG3_FL_5705,
|
|
0x00000000, 0x000003ff },
|
|
{ RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
|
|
/* Host Coalescing Control Registers. */
|
|
{ HOSTCC_MODE, TG3_FL_NOT_5705,
|
|
0x00000000, 0x00000004 },
|
|
{ HOSTCC_MODE, TG3_FL_5705,
|
|
0x00000000, 0x000000f6 },
|
|
{ HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_RXCOL_TICKS, TG3_FL_5705,
|
|
0x00000000, 0x000003ff },
|
|
{ HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_TXCOL_TICKS, TG3_FL_5705,
|
|
0x00000000, 0x000003ff },
|
|
{ HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
|
|
0x00000000, 0x000000ff },
|
|
{ HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
|
|
0x00000000, 0x000000ff },
|
|
{ HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
|
|
0x00000000, 0x000000ff },
|
|
{ HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
|
|
0x00000000, 0x000000ff },
|
|
{ HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
|
|
0x00000000, 0xffffffff },
|
|
{ HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
|
|
0xffffffff, 0x00000000 },
|
|
{ HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
|
|
0xffffffff, 0x00000000 },
|
|
|
|
/* Buffer Manager Control Registers. */
|
|
{ BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
|
|
0x00000000, 0x007fff80 },
|
|
{ BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
|
|
0x00000000, 0x007fffff },
|
|
{ BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
|
|
0x00000000, 0x0000003f },
|
|
{ BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
|
|
0x00000000, 0x000001ff },
|
|
{ BUFMGR_MB_HIGH_WATER, 0x0000,
|
|
0x00000000, 0x000001ff },
|
|
{ BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
|
|
0xffffffff, 0x00000000 },
|
|
{ BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
|
|
0xffffffff, 0x00000000 },
|
|
|
|
/* Mailbox Registers */
|
|
{ GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
|
|
0x00000000, 0x000001ff },
|
|
{ GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
|
|
0x00000000, 0x000001ff },
|
|
{ GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
|
|
0x00000000, 0x000007ff },
|
|
{ GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
|
|
0x00000000, 0x000001ff },
|
|
|
|
{ 0xffff, 0x0000, 0x00000000, 0x00000000 },
|
|
};
|
|
|
|
is_5705 = is_5750 = 0;
|
|
if (tg3_flag(tp, 5705_PLUS)) {
|
|
is_5705 = 1;
|
|
if (tg3_flag(tp, 5750_PLUS))
|
|
is_5750 = 1;
|
|
}
|
|
|
|
for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
|
|
if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
|
|
continue;
|
|
|
|
if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
|
|
continue;
|
|
|
|
if (tg3_flag(tp, IS_5788) &&
|
|
(reg_tbl[i].flags & TG3_FL_NOT_5788))
|
|
continue;
|
|
|
|
if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
|
|
continue;
|
|
|
|
offset = (u32) reg_tbl[i].offset;
|
|
read_mask = reg_tbl[i].read_mask;
|
|
write_mask = reg_tbl[i].write_mask;
|
|
|
|
/* Save the original register content */
|
|
save_val = tr32(offset);
|
|
|
|
/* Determine the read-only value. */
|
|
read_val = save_val & read_mask;
|
|
|
|
/* Write zero to the register, then make sure the read-only bits
|
|
* are not changed and the read/write bits are all zeros.
|
|
*/
|
|
tw32(offset, 0);
|
|
|
|
val = tr32(offset);
|
|
|
|
/* Test the read-only and read/write bits. */
|
|
if (((val & read_mask) != read_val) || (val & write_mask))
|
|
goto out;
|
|
|
|
/* Write ones to all the bits defined by RdMask and WrMask, then
|
|
* make sure the read-only bits are not changed and the
|
|
* read/write bits are all ones.
|
|
*/
|
|
tw32(offset, read_mask | write_mask);
|
|
|
|
val = tr32(offset);
|
|
|
|
/* Test the read-only bits. */
|
|
if ((val & read_mask) != read_val)
|
|
goto out;
|
|
|
|
/* Test the read/write bits. */
|
|
if ((val & write_mask) != write_mask)
|
|
goto out;
|
|
|
|
tw32(offset, save_val);
|
|
}
|
|
|
|
return 0;
|
|
|
|
out:
|
|
if (netif_msg_hw(tp))
|
|
netdev_err(tp->dev,
|
|
"Register test failed at offset %x\n", offset);
|
|
tw32(offset, save_val);
|
|
return -EIO;
|
|
}
|
|
|
|
static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
|
|
{
|
|
static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
|
|
int i;
|
|
u32 j;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
|
|
for (j = 0; j < len; j += 4) {
|
|
u32 val;
|
|
|
|
tg3_write_mem(tp, offset + j, test_pattern[i]);
|
|
tg3_read_mem(tp, offset + j, &val);
|
|
if (val != test_pattern[i])
|
|
return -EIO;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_test_memory(struct tg3 *tp)
|
|
{
|
|
static struct mem_entry {
|
|
u32 offset;
|
|
u32 len;
|
|
} mem_tbl_570x[] = {
|
|
{ 0x00000000, 0x00b50},
|
|
{ 0x00002000, 0x1c000},
|
|
{ 0xffffffff, 0x00000}
|
|
}, mem_tbl_5705[] = {
|
|
{ 0x00000100, 0x0000c},
|
|
{ 0x00000200, 0x00008},
|
|
{ 0x00004000, 0x00800},
|
|
{ 0x00006000, 0x01000},
|
|
{ 0x00008000, 0x02000},
|
|
{ 0x00010000, 0x0e000},
|
|
{ 0xffffffff, 0x00000}
|
|
}, mem_tbl_5755[] = {
|
|
{ 0x00000200, 0x00008},
|
|
{ 0x00004000, 0x00800},
|
|
{ 0x00006000, 0x00800},
|
|
{ 0x00008000, 0x02000},
|
|
{ 0x00010000, 0x0c000},
|
|
{ 0xffffffff, 0x00000}
|
|
}, mem_tbl_5906[] = {
|
|
{ 0x00000200, 0x00008},
|
|
{ 0x00004000, 0x00400},
|
|
{ 0x00006000, 0x00400},
|
|
{ 0x00008000, 0x01000},
|
|
{ 0x00010000, 0x01000},
|
|
{ 0xffffffff, 0x00000}
|
|
}, mem_tbl_5717[] = {
|
|
{ 0x00000200, 0x00008},
|
|
{ 0x00010000, 0x0a000},
|
|
{ 0x00020000, 0x13c00},
|
|
{ 0xffffffff, 0x00000}
|
|
}, mem_tbl_57765[] = {
|
|
{ 0x00000200, 0x00008},
|
|
{ 0x00004000, 0x00800},
|
|
{ 0x00006000, 0x09800},
|
|
{ 0x00010000, 0x0a000},
|
|
{ 0xffffffff, 0x00000}
|
|
};
|
|
struct mem_entry *mem_tbl;
|
|
int err = 0;
|
|
int i;
|
|
|
|
if (tg3_flag(tp, 5717_PLUS))
|
|
mem_tbl = mem_tbl_5717;
|
|
else if (tg3_flag(tp, 57765_CLASS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
mem_tbl = mem_tbl_57765;
|
|
else if (tg3_flag(tp, 5755_PLUS))
|
|
mem_tbl = mem_tbl_5755;
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
mem_tbl = mem_tbl_5906;
|
|
else if (tg3_flag(tp, 5705_PLUS))
|
|
mem_tbl = mem_tbl_5705;
|
|
else
|
|
mem_tbl = mem_tbl_570x;
|
|
|
|
for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
|
|
err = tg3_do_mem_test(tp, mem_tbl[i].offset, mem_tbl[i].len);
|
|
if (err)
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
#define TG3_TSO_MSS 500
|
|
|
|
#define TG3_TSO_IP_HDR_LEN 20
|
|
#define TG3_TSO_TCP_HDR_LEN 20
|
|
#define TG3_TSO_TCP_OPT_LEN 12
|
|
|
|
static const u8 tg3_tso_header[] = {
|
|
0x08, 0x00,
|
|
0x45, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x40, 0x00,
|
|
0x40, 0x06, 0x00, 0x00,
|
|
0x0a, 0x00, 0x00, 0x01,
|
|
0x0a, 0x00, 0x00, 0x02,
|
|
0x0d, 0x00, 0xe0, 0x00,
|
|
0x00, 0x00, 0x01, 0x00,
|
|
0x00, 0x00, 0x02, 0x00,
|
|
0x80, 0x10, 0x10, 0x00,
|
|
0x14, 0x09, 0x00, 0x00,
|
|
0x01, 0x01, 0x08, 0x0a,
|
|
0x11, 0x11, 0x11, 0x11,
|
|
0x11, 0x11, 0x11, 0x11,
|
|
};
|
|
|
|
static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, bool tso_loopback)
|
|
{
|
|
u32 rx_start_idx, rx_idx, tx_idx, opaque_key;
|
|
u32 base_flags = 0, mss = 0, desc_idx, coal_now, data_off, val;
|
|
u32 budget;
|
|
struct sk_buff *skb;
|
|
u8 *tx_data, *rx_data;
|
|
dma_addr_t map;
|
|
int num_pkts, tx_len, rx_len, i, err;
|
|
struct tg3_rx_buffer_desc *desc;
|
|
struct tg3_napi *tnapi, *rnapi;
|
|
struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
|
|
|
|
tnapi = &tp->napi[0];
|
|
rnapi = &tp->napi[0];
|
|
if (tp->irq_cnt > 1) {
|
|
if (tg3_flag(tp, ENABLE_RSS))
|
|
rnapi = &tp->napi[1];
|
|
if (tg3_flag(tp, ENABLE_TSS))
|
|
tnapi = &tp->napi[1];
|
|
}
|
|
coal_now = tnapi->coal_now | rnapi->coal_now;
|
|
|
|
err = -EIO;
|
|
|
|
tx_len = pktsz;
|
|
skb = netdev_alloc_skb(tp->dev, tx_len);
|
|
if (!skb)
|
|
return -ENOMEM;
|
|
|
|
tx_data = skb_put(skb, tx_len);
|
|
memcpy(tx_data, tp->dev->dev_addr, ETH_ALEN);
|
|
memset(tx_data + ETH_ALEN, 0x0, 8);
|
|
|
|
tw32(MAC_RX_MTU_SIZE, tx_len + ETH_FCS_LEN);
|
|
|
|
if (tso_loopback) {
|
|
struct iphdr *iph = (struct iphdr *)&tx_data[ETH_HLEN];
|
|
|
|
u32 hdr_len = TG3_TSO_IP_HDR_LEN + TG3_TSO_TCP_HDR_LEN +
|
|
TG3_TSO_TCP_OPT_LEN;
|
|
|
|
memcpy(tx_data + ETH_ALEN * 2, tg3_tso_header,
|
|
sizeof(tg3_tso_header));
|
|
mss = TG3_TSO_MSS;
|
|
|
|
val = tx_len - ETH_ALEN * 2 - sizeof(tg3_tso_header);
|
|
num_pkts = DIV_ROUND_UP(val, TG3_TSO_MSS);
|
|
|
|
/* Set the total length field in the IP header */
|
|
iph->tot_len = htons((u16)(mss + hdr_len));
|
|
|
|
base_flags = (TXD_FLAG_CPU_PRE_DMA |
|
|
TXD_FLAG_CPU_POST_DMA);
|
|
|
|
if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3)) {
|
|
struct tcphdr *th;
|
|
val = ETH_HLEN + TG3_TSO_IP_HDR_LEN;
|
|
th = (struct tcphdr *)&tx_data[val];
|
|
th->check = 0;
|
|
} else
|
|
base_flags |= TXD_FLAG_TCPUDP_CSUM;
|
|
|
|
if (tg3_flag(tp, HW_TSO_3)) {
|
|
mss |= (hdr_len & 0xc) << 12;
|
|
if (hdr_len & 0x10)
|
|
base_flags |= 0x00000010;
|
|
base_flags |= (hdr_len & 0x3e0) << 5;
|
|
} else if (tg3_flag(tp, HW_TSO_2))
|
|
mss |= hdr_len << 9;
|
|
else if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
mss |= (TG3_TSO_TCP_OPT_LEN << 9);
|
|
} else {
|
|
base_flags |= (TG3_TSO_TCP_OPT_LEN << 10);
|
|
}
|
|
|
|
data_off = ETH_ALEN * 2 + sizeof(tg3_tso_header);
|
|
} else {
|
|
num_pkts = 1;
|
|
data_off = ETH_HLEN;
|
|
|
|
if (tg3_flag(tp, USE_JUMBO_BDFLAG) &&
|
|
tx_len > VLAN_ETH_FRAME_LEN)
|
|
base_flags |= TXD_FLAG_JMB_PKT;
|
|
}
|
|
|
|
for (i = data_off; i < tx_len; i++)
|
|
tx_data[i] = (u8) (i & 0xff);
|
|
|
|
map = dma_map_single(&tp->pdev->dev, skb->data, tx_len, DMA_TO_DEVICE);
|
|
if (dma_mapping_error(&tp->pdev->dev, map)) {
|
|
dev_kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
val = tnapi->tx_prod;
|
|
tnapi->tx_buffers[val].skb = skb;
|
|
dma_unmap_addr_set(&tnapi->tx_buffers[val], mapping, map);
|
|
|
|
tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
|
|
rnapi->coal_now);
|
|
|
|
udelay(10);
|
|
|
|
rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
|
|
|
|
budget = tg3_tx_avail(tnapi);
|
|
if (tg3_tx_frag_set(tnapi, &val, &budget, map, tx_len,
|
|
base_flags | TXD_FLAG_END, mss, 0)) {
|
|
tnapi->tx_buffers[val].skb = NULL;
|
|
dev_kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
tnapi->tx_prod++;
|
|
|
|
/* Sync BD data before updating mailbox */
|
|
wmb();
|
|
|
|
tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
|
|
tr32_mailbox(tnapi->prodmbox);
|
|
|
|
udelay(10);
|
|
|
|
/* 350 usec to allow enough time on some 10/100 Mbps devices. */
|
|
for (i = 0; i < 35; i++) {
|
|
tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
|
|
coal_now);
|
|
|
|
udelay(10);
|
|
|
|
tx_idx = tnapi->hw_status->idx[0].tx_consumer;
|
|
rx_idx = rnapi->hw_status->idx[0].rx_producer;
|
|
if ((tx_idx == tnapi->tx_prod) &&
|
|
(rx_idx == (rx_start_idx + num_pkts)))
|
|
break;
|
|
}
|
|
|
|
tg3_tx_skb_unmap(tnapi, tnapi->tx_prod - 1, -1);
|
|
dev_kfree_skb(skb);
|
|
|
|
if (tx_idx != tnapi->tx_prod)
|
|
goto out;
|
|
|
|
if (rx_idx != rx_start_idx + num_pkts)
|
|
goto out;
|
|
|
|
val = data_off;
|
|
while (rx_idx != rx_start_idx) {
|
|
desc = &rnapi->rx_rcb[rx_start_idx++];
|
|
desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
|
|
opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
|
|
|
|
if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
|
|
(desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
|
|
goto out;
|
|
|
|
rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT)
|
|
- ETH_FCS_LEN;
|
|
|
|
if (!tso_loopback) {
|
|
if (rx_len != tx_len)
|
|
goto out;
|
|
|
|
if (pktsz <= TG3_RX_STD_DMA_SZ - ETH_FCS_LEN) {
|
|
if (opaque_key != RXD_OPAQUE_RING_STD)
|
|
goto out;
|
|
} else {
|
|
if (opaque_key != RXD_OPAQUE_RING_JUMBO)
|
|
goto out;
|
|
}
|
|
} else if ((desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
|
|
(desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
|
|
>> RXD_TCPCSUM_SHIFT != 0xffff) {
|
|
goto out;
|
|
}
|
|
|
|
if (opaque_key == RXD_OPAQUE_RING_STD) {
|
|
rx_data = tpr->rx_std_buffers[desc_idx].data;
|
|
map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx],
|
|
mapping);
|
|
} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
|
|
rx_data = tpr->rx_jmb_buffers[desc_idx].data;
|
|
map = dma_unmap_addr(&tpr->rx_jmb_buffers[desc_idx],
|
|
mapping);
|
|
} else
|
|
goto out;
|
|
|
|
dma_sync_single_for_cpu(&tp->pdev->dev, map, rx_len,
|
|
DMA_FROM_DEVICE);
|
|
|
|
rx_data += TG3_RX_OFFSET(tp);
|
|
for (i = data_off; i < rx_len; i++, val++) {
|
|
if (*(rx_data + i) != (u8) (val & 0xff))
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
err = 0;
|
|
|
|
/* tg3_free_rings will unmap and free the rx_data */
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
#define TG3_STD_LOOPBACK_FAILED 1
|
|
#define TG3_JMB_LOOPBACK_FAILED 2
|
|
#define TG3_TSO_LOOPBACK_FAILED 4
|
|
#define TG3_LOOPBACK_FAILED \
|
|
(TG3_STD_LOOPBACK_FAILED | \
|
|
TG3_JMB_LOOPBACK_FAILED | \
|
|
TG3_TSO_LOOPBACK_FAILED)
|
|
|
|
static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
|
|
{
|
|
int err = -EIO;
|
|
u32 eee_cap;
|
|
u32 jmb_pkt_sz = 9000;
|
|
|
|
if (tp->dma_limit)
|
|
jmb_pkt_sz = tp->dma_limit - ETH_HLEN;
|
|
|
|
eee_cap = tp->phy_flags & TG3_PHYFLG_EEE_CAP;
|
|
tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP;
|
|
|
|
if (!netif_running(tp->dev)) {
|
|
data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
if (do_extlpbk)
|
|
data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
goto done;
|
|
}
|
|
|
|
err = tg3_reset_hw(tp, true);
|
|
if (err) {
|
|
data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
if (do_extlpbk)
|
|
data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
|
|
goto done;
|
|
}
|
|
|
|
if (tg3_flag(tp, ENABLE_RSS)) {
|
|
int i;
|
|
|
|
/* Reroute all rx packets to the 1st queue */
|
|
for (i = MAC_RSS_INDIR_TBL_0;
|
|
i < MAC_RSS_INDIR_TBL_0 + TG3_RSS_INDIR_TBL_SIZE; i += 4)
|
|
tw32(i, 0x0);
|
|
}
|
|
|
|
/* HW errata - mac loopback fails in some cases on 5780.
|
|
* Normal traffic and PHY loopback are not affected by
|
|
* errata. Also, the MAC loopback test is deprecated for
|
|
* all newer ASIC revisions.
|
|
*/
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
|
|
!tg3_flag(tp, CPMU_PRESENT)) {
|
|
tg3_mac_loopback(tp, true);
|
|
|
|
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
|
|
data[TG3_MAC_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
|
|
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
|
|
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
|
|
data[TG3_MAC_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
|
|
|
|
tg3_mac_loopback(tp, false);
|
|
}
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
|
|
!tg3_flag(tp, USE_PHYLIB)) {
|
|
int i;
|
|
|
|
tg3_phy_lpbk_set(tp, 0, false);
|
|
|
|
/* Wait for link */
|
|
for (i = 0; i < 100; i++) {
|
|
if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
|
|
break;
|
|
mdelay(1);
|
|
}
|
|
|
|
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
|
|
data[TG3_PHY_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
|
|
if (tg3_flag(tp, TSO_CAPABLE) &&
|
|
tg3_run_loopback(tp, ETH_FRAME_LEN, true))
|
|
data[TG3_PHY_LOOPB_TEST] |= TG3_TSO_LOOPBACK_FAILED;
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
|
|
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
|
|
data[TG3_PHY_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
|
|
|
|
if (do_extlpbk) {
|
|
tg3_phy_lpbk_set(tp, 0, true);
|
|
|
|
/* All link indications report up, but the hardware
|
|
* isn't really ready for about 20 msec. Double it
|
|
* to be sure.
|
|
*/
|
|
mdelay(40);
|
|
|
|
if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
|
|
data[TG3_EXT_LOOPB_TEST] |=
|
|
TG3_STD_LOOPBACK_FAILED;
|
|
if (tg3_flag(tp, TSO_CAPABLE) &&
|
|
tg3_run_loopback(tp, ETH_FRAME_LEN, true))
|
|
data[TG3_EXT_LOOPB_TEST] |=
|
|
TG3_TSO_LOOPBACK_FAILED;
|
|
if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
|
|
tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
|
|
data[TG3_EXT_LOOPB_TEST] |=
|
|
TG3_JMB_LOOPBACK_FAILED;
|
|
}
|
|
|
|
/* Re-enable gphy autopowerdown. */
|
|
if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
|
|
tg3_phy_toggle_apd(tp, true);
|
|
}
|
|
|
|
err = (data[TG3_MAC_LOOPB_TEST] | data[TG3_PHY_LOOPB_TEST] |
|
|
data[TG3_EXT_LOOPB_TEST]) ? -EIO : 0;
|
|
|
|
done:
|
|
tp->phy_flags |= eee_cap;
|
|
|
|
return err;
|
|
}
|
|
|
|
static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
|
|
u64 *data)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
bool doextlpbk = etest->flags & ETH_TEST_FL_EXTERNAL_LB;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
|
|
if (tg3_power_up(tp)) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
memset(data, 1, sizeof(u64) * TG3_NUM_TEST);
|
|
return;
|
|
}
|
|
tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
|
|
}
|
|
|
|
memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
|
|
|
|
if (tg3_test_nvram(tp) != 0) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
data[TG3_NVRAM_TEST] = 1;
|
|
}
|
|
if (!doextlpbk && tg3_test_link(tp)) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
data[TG3_LINK_TEST] = 1;
|
|
}
|
|
if (etest->flags & ETH_TEST_FL_OFFLINE) {
|
|
int err, err2 = 0, irq_sync = 0;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_phy_stop(tp);
|
|
tg3_netif_stop(tp);
|
|
irq_sync = 1;
|
|
}
|
|
|
|
tg3_full_lock(tp, irq_sync);
|
|
tg3_halt(tp, RESET_KIND_SUSPEND, 1);
|
|
err = tg3_nvram_lock(tp);
|
|
tg3_halt_cpu(tp, RX_CPU_BASE);
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tg3_halt_cpu(tp, TX_CPU_BASE);
|
|
if (!err)
|
|
tg3_nvram_unlock(tp);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
|
|
tg3_phy_reset(tp);
|
|
|
|
if (tg3_test_registers(tp) != 0) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
data[TG3_REGISTER_TEST] = 1;
|
|
}
|
|
|
|
if (tg3_test_memory(tp) != 0) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
data[TG3_MEMORY_TEST] = 1;
|
|
}
|
|
|
|
if (doextlpbk)
|
|
etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
|
|
|
|
if (tg3_test_loopback(tp, data, doextlpbk))
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (tg3_test_interrupt(tp) != 0) {
|
|
etest->flags |= ETH_TEST_FL_FAILED;
|
|
data[TG3_INTERRUPT_TEST] = 1;
|
|
}
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
if (netif_running(dev)) {
|
|
tg3_flag_set(tp, INIT_COMPLETE);
|
|
err2 = tg3_restart_hw(tp, true);
|
|
if (!err2)
|
|
tg3_netif_start(tp);
|
|
}
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (irq_sync && !err2)
|
|
tg3_phy_start(tp);
|
|
}
|
|
if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
|
|
tg3_power_down_prepare(tp);
|
|
|
|
}
|
|
|
|
static int tg3_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
struct hwtstamp_config stmpconf;
|
|
|
|
if (!tg3_flag(tp, PTP_CAPABLE))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf)))
|
|
return -EFAULT;
|
|
|
|
if (stmpconf.flags)
|
|
return -EINVAL;
|
|
|
|
if (stmpconf.tx_type != HWTSTAMP_TX_ON &&
|
|
stmpconf.tx_type != HWTSTAMP_TX_OFF)
|
|
return -ERANGE;
|
|
|
|
switch (stmpconf.rx_filter) {
|
|
case HWTSTAMP_FILTER_NONE:
|
|
tp->rxptpctl = 0;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
|
|
TG3_RX_PTP_CTL_ALL_V1_EVENTS;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
|
|
TG3_RX_PTP_CTL_SYNC_EVNT;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
|
|
TG3_RX_PTP_CTL_DELAY_REQ;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_EVENT:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
|
|
TG3_RX_PTP_CTL_ALL_V2_EVENTS;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
|
|
TG3_RX_PTP_CTL_ALL_V2_EVENTS;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
|
|
TG3_RX_PTP_CTL_ALL_V2_EVENTS;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_SYNC:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
|
|
TG3_RX_PTP_CTL_SYNC_EVNT;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
|
|
TG3_RX_PTP_CTL_SYNC_EVNT;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
|
|
TG3_RX_PTP_CTL_SYNC_EVNT;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
|
|
TG3_RX_PTP_CTL_DELAY_REQ;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
|
|
TG3_RX_PTP_CTL_DELAY_REQ;
|
|
break;
|
|
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
|
|
tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
|
|
TG3_RX_PTP_CTL_DELAY_REQ;
|
|
break;
|
|
default:
|
|
return -ERANGE;
|
|
}
|
|
|
|
if (netif_running(dev) && tp->rxptpctl)
|
|
tw32(TG3_RX_PTP_CTL,
|
|
tp->rxptpctl | TG3_RX_PTP_CTL_HWTS_INTERLOCK);
|
|
|
|
if (stmpconf.tx_type == HWTSTAMP_TX_ON)
|
|
tg3_flag_set(tp, TX_TSTAMP_EN);
|
|
else
|
|
tg3_flag_clear(tp, TX_TSTAMP_EN);
|
|
|
|
return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
|
|
-EFAULT : 0;
|
|
}
|
|
|
|
static int tg3_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
struct hwtstamp_config stmpconf;
|
|
|
|
if (!tg3_flag(tp, PTP_CAPABLE))
|
|
return -EOPNOTSUPP;
|
|
|
|
stmpconf.flags = 0;
|
|
stmpconf.tx_type = (tg3_flag(tp, TX_TSTAMP_EN) ?
|
|
HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF);
|
|
|
|
switch (tp->rxptpctl) {
|
|
case 0:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_NONE;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_ALL_V1_EVENTS:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_DELAY_REQ:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_SYNC;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_SYNC;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_SYNC;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_DELAY_REQ;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ;
|
|
break;
|
|
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_DELAY_REQ:
|
|
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ;
|
|
break;
|
|
default:
|
|
WARN_ON_ONCE(1);
|
|
return -ERANGE;
|
|
}
|
|
|
|
return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
|
|
-EFAULT : 0;
|
|
}
|
|
|
|
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
|
|
{
|
|
struct mii_ioctl_data *data = if_mii(ifr);
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err;
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
struct phy_device *phydev;
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
|
|
return -EAGAIN;
|
|
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
|
|
return phy_mii_ioctl(phydev, ifr, cmd);
|
|
}
|
|
|
|
switch (cmd) {
|
|
case SIOCGMIIPHY:
|
|
data->phy_id = tp->phy_addr;
|
|
|
|
fallthrough;
|
|
case SIOCGMIIREG: {
|
|
u32 mii_regval;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
|
|
break; /* We have no PHY */
|
|
|
|
if (!netif_running(dev))
|
|
return -EAGAIN;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
err = __tg3_readphy(tp, data->phy_id & 0x1f,
|
|
data->reg_num & 0x1f, &mii_regval);
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
data->val_out = mii_regval;
|
|
|
|
return err;
|
|
}
|
|
|
|
case SIOCSMIIREG:
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
|
|
break; /* We have no PHY */
|
|
|
|
if (!netif_running(dev))
|
|
return -EAGAIN;
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
err = __tg3_writephy(tp, data->phy_id & 0x1f,
|
|
data->reg_num & 0x1f, data->val_in);
|
|
spin_unlock_bh(&tp->lock);
|
|
|
|
return err;
|
|
|
|
case SIOCSHWTSTAMP:
|
|
return tg3_hwtstamp_set(dev, ifr);
|
|
|
|
case SIOCGHWTSTAMP:
|
|
return tg3_hwtstamp_get(dev, ifr);
|
|
|
|
default:
|
|
/* do nothing */
|
|
break;
|
|
}
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int tg3_get_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
memcpy(ec, &tp->coal, sizeof(*ec));
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_set_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
|
|
u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS)) {
|
|
max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
|
|
max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
|
|
max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
|
|
min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
|
|
}
|
|
|
|
if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
|
|
(!ec->rx_coalesce_usecs) ||
|
|
(ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
|
|
(!ec->tx_coalesce_usecs) ||
|
|
(ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
|
|
(ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
|
|
(ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
|
|
(ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
|
|
(ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
|
|
(ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
|
|
(ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
|
|
(ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
|
|
return -EINVAL;
|
|
|
|
/* Only copy relevant parameters, ignore all others. */
|
|
tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
|
|
tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
|
|
tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
|
|
tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
|
|
tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
|
|
tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
|
|
tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
|
|
tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
|
|
tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
|
|
|
|
if (netif_running(dev)) {
|
|
tg3_full_lock(tp, 0);
|
|
__tg3_set_coalesce(tp, &tp->coal);
|
|
tg3_full_unlock(tp);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_set_eee(struct net_device *dev, struct ethtool_eee *edata)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
|
|
netdev_warn(tp->dev, "Board does not support EEE!\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (edata->advertised != tp->eee.advertised) {
|
|
netdev_warn(tp->dev,
|
|
"Direct manipulation of EEE advertisement is not supported\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (edata->tx_lpi_timer > TG3_CPMU_DBTMR1_LNKIDLE_MAX) {
|
|
netdev_warn(tp->dev,
|
|
"Maximal Tx Lpi timer supported is %#x(u)\n",
|
|
TG3_CPMU_DBTMR1_LNKIDLE_MAX);
|
|
return -EINVAL;
|
|
}
|
|
|
|
tp->eee = *edata;
|
|
|
|
tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
|
|
tg3_warn_mgmt_link_flap(tp);
|
|
|
|
if (netif_running(tp->dev)) {
|
|
tg3_full_lock(tp, 0);
|
|
tg3_setup_eee(tp);
|
|
tg3_phy_reset(tp);
|
|
tg3_full_unlock(tp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tg3_get_eee(struct net_device *dev, struct ethtool_eee *edata)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
|
|
netdev_warn(tp->dev,
|
|
"Board does not support EEE!\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
*edata = tp->eee;
|
|
return 0;
|
|
}
|
|
|
|
static const struct ethtool_ops tg3_ethtool_ops = {
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
|
|
ETHTOOL_COALESCE_MAX_FRAMES |
|
|
ETHTOOL_COALESCE_USECS_IRQ |
|
|
ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
|
|
ETHTOOL_COALESCE_STATS_BLOCK_USECS,
|
|
.get_drvinfo = tg3_get_drvinfo,
|
|
.get_regs_len = tg3_get_regs_len,
|
|
.get_regs = tg3_get_regs,
|
|
.get_wol = tg3_get_wol,
|
|
.set_wol = tg3_set_wol,
|
|
.get_msglevel = tg3_get_msglevel,
|
|
.set_msglevel = tg3_set_msglevel,
|
|
.nway_reset = tg3_nway_reset,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_eeprom_len = tg3_get_eeprom_len,
|
|
.get_eeprom = tg3_get_eeprom,
|
|
.set_eeprom = tg3_set_eeprom,
|
|
.get_ringparam = tg3_get_ringparam,
|
|
.set_ringparam = tg3_set_ringparam,
|
|
.get_pauseparam = tg3_get_pauseparam,
|
|
.set_pauseparam = tg3_set_pauseparam,
|
|
.self_test = tg3_self_test,
|
|
.get_strings = tg3_get_strings,
|
|
.set_phys_id = tg3_set_phys_id,
|
|
.get_ethtool_stats = tg3_get_ethtool_stats,
|
|
.get_coalesce = tg3_get_coalesce,
|
|
.set_coalesce = tg3_set_coalesce,
|
|
.get_sset_count = tg3_get_sset_count,
|
|
.get_rxnfc = tg3_get_rxnfc,
|
|
.get_rxfh_indir_size = tg3_get_rxfh_indir_size,
|
|
.get_rxfh = tg3_get_rxfh,
|
|
.set_rxfh = tg3_set_rxfh,
|
|
.get_channels = tg3_get_channels,
|
|
.set_channels = tg3_set_channels,
|
|
.get_ts_info = tg3_get_ts_info,
|
|
.get_eee = tg3_get_eee,
|
|
.set_eee = tg3_set_eee,
|
|
.get_link_ksettings = tg3_get_link_ksettings,
|
|
.set_link_ksettings = tg3_set_link_ksettings,
|
|
};
|
|
|
|
static void tg3_get_stats64(struct net_device *dev,
|
|
struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
spin_lock_bh(&tp->lock);
|
|
if (!tp->hw_stats || !tg3_flag(tp, INIT_COMPLETE)) {
|
|
*stats = tp->net_stats_prev;
|
|
spin_unlock_bh(&tp->lock);
|
|
return;
|
|
}
|
|
|
|
tg3_get_nstats(tp, stats);
|
|
spin_unlock_bh(&tp->lock);
|
|
}
|
|
|
|
static void tg3_set_rx_mode(struct net_device *dev)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
if (!netif_running(dev))
|
|
return;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
__tg3_set_rx_mode(dev);
|
|
tg3_full_unlock(tp);
|
|
}
|
|
|
|
static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
|
|
int new_mtu)
|
|
{
|
|
dev->mtu = new_mtu;
|
|
|
|
if (new_mtu > ETH_DATA_LEN) {
|
|
if (tg3_flag(tp, 5780_CLASS)) {
|
|
netdev_update_features(dev);
|
|
tg3_flag_clear(tp, TSO_CAPABLE);
|
|
} else {
|
|
tg3_flag_set(tp, JUMBO_RING_ENABLE);
|
|
}
|
|
} else {
|
|
if (tg3_flag(tp, 5780_CLASS)) {
|
|
tg3_flag_set(tp, TSO_CAPABLE);
|
|
netdev_update_features(dev);
|
|
}
|
|
tg3_flag_clear(tp, JUMBO_RING_ENABLE);
|
|
}
|
|
}
|
|
|
|
static int tg3_change_mtu(struct net_device *dev, int new_mtu)
|
|
{
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err;
|
|
bool reset_phy = false;
|
|
|
|
if (!netif_running(dev)) {
|
|
/* We'll just catch it later when the
|
|
* device is up'd.
|
|
*/
|
|
tg3_set_mtu(dev, tp, new_mtu);
|
|
return 0;
|
|
}
|
|
|
|
tg3_phy_stop(tp);
|
|
|
|
tg3_netif_stop(tp);
|
|
|
|
tg3_set_mtu(dev, tp, new_mtu);
|
|
|
|
tg3_full_lock(tp, 1);
|
|
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
|
|
/* Reset PHY, otherwise the read DMA engine will be in a mode that
|
|
* breaks all requests to 256 bytes.
|
|
*/
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
reset_phy = true;
|
|
|
|
err = tg3_restart_hw(tp, reset_phy);
|
|
|
|
if (!err)
|
|
tg3_netif_start(tp);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
if (!err)
|
|
tg3_phy_start(tp);
|
|
|
|
return err;
|
|
}
|
|
|
|
static const struct net_device_ops tg3_netdev_ops = {
|
|
.ndo_open = tg3_open,
|
|
.ndo_stop = tg3_close,
|
|
.ndo_start_xmit = tg3_start_xmit,
|
|
.ndo_get_stats64 = tg3_get_stats64,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
.ndo_set_rx_mode = tg3_set_rx_mode,
|
|
.ndo_set_mac_address = tg3_set_mac_addr,
|
|
.ndo_eth_ioctl = tg3_ioctl,
|
|
.ndo_tx_timeout = tg3_tx_timeout,
|
|
.ndo_change_mtu = tg3_change_mtu,
|
|
.ndo_fix_features = tg3_fix_features,
|
|
.ndo_set_features = tg3_set_features,
|
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
.ndo_poll_controller = tg3_poll_controller,
|
|
#endif
|
|
};
|
|
|
|
static void tg3_get_eeprom_size(struct tg3 *tp)
|
|
{
|
|
u32 cursize, val, magic;
|
|
|
|
tp->nvram_size = EEPROM_CHIP_SIZE;
|
|
|
|
if (tg3_nvram_read(tp, 0, &magic) != 0)
|
|
return;
|
|
|
|
if ((magic != TG3_EEPROM_MAGIC) &&
|
|
((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
|
|
((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
|
|
return;
|
|
|
|
/*
|
|
* Size the chip by reading offsets at increasing powers of two.
|
|
* When we encounter our validation signature, we know the addressing
|
|
* has wrapped around, and thus have our chip size.
|
|
*/
|
|
cursize = 0x10;
|
|
|
|
while (cursize < tp->nvram_size) {
|
|
if (tg3_nvram_read(tp, cursize, &val) != 0)
|
|
return;
|
|
|
|
if (val == magic)
|
|
break;
|
|
|
|
cursize <<= 1;
|
|
}
|
|
|
|
tp->nvram_size = cursize;
|
|
}
|
|
|
|
static void tg3_get_nvram_size(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &val) != 0)
|
|
return;
|
|
|
|
/* Selfboot format */
|
|
if (val != TG3_EEPROM_MAGIC) {
|
|
tg3_get_eeprom_size(tp);
|
|
return;
|
|
}
|
|
|
|
if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
|
|
if (val != 0) {
|
|
/* This is confusing. We want to operate on the
|
|
* 16-bit value at offset 0xf2. The tg3_nvram_read()
|
|
* call will read from NVRAM and byteswap the data
|
|
* according to the byteswapping settings for all
|
|
* other register accesses. This ensures the data we
|
|
* want will always reside in the lower 16-bits.
|
|
* However, the data in NVRAM is in LE format, which
|
|
* means the data from the NVRAM read will always be
|
|
* opposite the endianness of the CPU. The 16-bit
|
|
* byteswap then brings the data to CPU endianness.
|
|
*/
|
|
tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
|
|
return;
|
|
}
|
|
}
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
}
|
|
|
|
static void tg3_get_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
|
|
tg3_flag_set(tp, FLASH);
|
|
} else {
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
|
|
case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
break;
|
|
case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
|
|
break;
|
|
case FLASH_VENDOR_ATMEL_EEPROM:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
break;
|
|
case FLASH_VENDOR_ST:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
break;
|
|
case FLASH_VENDOR_SAIFUN:
|
|
tp->nvram_jedecnum = JEDEC_SAIFUN;
|
|
tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
|
|
break;
|
|
case FLASH_VENDOR_SST_SMALL:
|
|
case FLASH_VENDOR_SST_LARGE:
|
|
tp->nvram_jedecnum = JEDEC_SST;
|
|
tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
|
|
break;
|
|
}
|
|
} else {
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
}
|
|
}
|
|
|
|
static void tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
|
|
{
|
|
switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
|
|
case FLASH_5752PAGE_SIZE_256:
|
|
tp->nvram_pagesize = 256;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_512:
|
|
tp->nvram_pagesize = 512;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_1K:
|
|
tp->nvram_pagesize = 1024;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_2K:
|
|
tp->nvram_pagesize = 2048;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_4K:
|
|
tp->nvram_pagesize = 4096;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_264:
|
|
tp->nvram_pagesize = 264;
|
|
break;
|
|
case FLASH_5752PAGE_SIZE_528:
|
|
tp->nvram_pagesize = 528;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void tg3_get_5752_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
/* NVRAM protection for TPM */
|
|
if (nvcfg1 & (1 << 27))
|
|
tg3_flag_set(tp, PROTECTED_NVRAM);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
|
|
case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
break;
|
|
case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE10:
|
|
case FLASH_5752VENDOR_ST_M45PE20:
|
|
case FLASH_5752VENDOR_ST_M45PE40:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
break;
|
|
}
|
|
|
|
if (tg3_flag(tp, FLASH)) {
|
|
tg3_nvram_get_pagesize(tp, nvcfg1);
|
|
} else {
|
|
/* For eeprom, set pagesize to maximum eeprom size */
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
}
|
|
}
|
|
|
|
static void tg3_get_5755_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1, protect = 0;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
/* NVRAM protection for TPM */
|
|
if (nvcfg1 & (1 << 27)) {
|
|
tg3_flag_set(tp, PROTECTED_NVRAM);
|
|
protect = 1;
|
|
}
|
|
|
|
nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
|
|
switch (nvcfg1) {
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_1:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_2:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_3:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_5:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tp->nvram_pagesize = 264;
|
|
if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
|
|
nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
|
|
tp->nvram_size = (protect ? 0x3e200 :
|
|
TG3_NVRAM_SIZE_512KB);
|
|
else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
|
|
tp->nvram_size = (protect ? 0x1f200 :
|
|
TG3_NVRAM_SIZE_256KB);
|
|
else
|
|
tp->nvram_size = (protect ? 0x1f200 :
|
|
TG3_NVRAM_SIZE_128KB);
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE10:
|
|
case FLASH_5752VENDOR_ST_M45PE20:
|
|
case FLASH_5752VENDOR_ST_M45PE40:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tp->nvram_pagesize = 256;
|
|
if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
|
|
tp->nvram_size = (protect ?
|
|
TG3_NVRAM_SIZE_64KB :
|
|
TG3_NVRAM_SIZE_128KB);
|
|
else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
|
|
tp->nvram_size = (protect ?
|
|
TG3_NVRAM_SIZE_64KB :
|
|
TG3_NVRAM_SIZE_256KB);
|
|
else
|
|
tp->nvram_size = (protect ?
|
|
TG3_NVRAM_SIZE_128KB :
|
|
TG3_NVRAM_SIZE_512KB);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void tg3_get_5787_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
|
|
case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
|
|
case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
|
|
case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
break;
|
|
case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_1:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_2:
|
|
case FLASH_5755VENDOR_ATMEL_FLASH_3:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tp->nvram_pagesize = 264;
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE10:
|
|
case FLASH_5752VENDOR_ST_M45PE20:
|
|
case FLASH_5752VENDOR_ST_M45PE40:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tp->nvram_pagesize = 256;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void tg3_get_5761_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1, protect = 0;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
/* NVRAM protection for TPM */
|
|
if (nvcfg1 & (1 << 27)) {
|
|
tg3_flag_set(tp, PROTECTED_NVRAM);
|
|
protect = 1;
|
|
}
|
|
|
|
nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
|
|
switch (nvcfg1) {
|
|
case FLASH_5761VENDOR_ATMEL_ADB021D:
|
|
case FLASH_5761VENDOR_ATMEL_ADB041D:
|
|
case FLASH_5761VENDOR_ATMEL_ADB081D:
|
|
case FLASH_5761VENDOR_ATMEL_ADB161D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB021D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB041D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB081D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB161D:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
|
|
tp->nvram_pagesize = 256;
|
|
break;
|
|
case FLASH_5761VENDOR_ST_A_M45PE20:
|
|
case FLASH_5761VENDOR_ST_A_M45PE40:
|
|
case FLASH_5761VENDOR_ST_A_M45PE80:
|
|
case FLASH_5761VENDOR_ST_A_M45PE16:
|
|
case FLASH_5761VENDOR_ST_M_M45PE20:
|
|
case FLASH_5761VENDOR_ST_M_M45PE40:
|
|
case FLASH_5761VENDOR_ST_M_M45PE80:
|
|
case FLASH_5761VENDOR_ST_M_M45PE16:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
tp->nvram_pagesize = 256;
|
|
break;
|
|
}
|
|
|
|
if (protect) {
|
|
tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
|
|
} else {
|
|
switch (nvcfg1) {
|
|
case FLASH_5761VENDOR_ATMEL_ADB161D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB161D:
|
|
case FLASH_5761VENDOR_ST_A_M45PE16:
|
|
case FLASH_5761VENDOR_ST_M_M45PE16:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_2MB;
|
|
break;
|
|
case FLASH_5761VENDOR_ATMEL_ADB081D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB081D:
|
|
case FLASH_5761VENDOR_ST_A_M45PE80:
|
|
case FLASH_5761VENDOR_ST_M_M45PE80:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_1MB;
|
|
break;
|
|
case FLASH_5761VENDOR_ATMEL_ADB041D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB041D:
|
|
case FLASH_5761VENDOR_ST_A_M45PE40:
|
|
case FLASH_5761VENDOR_ST_M_M45PE40:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
break;
|
|
case FLASH_5761VENDOR_ATMEL_ADB021D:
|
|
case FLASH_5761VENDOR_ATMEL_MDB021D:
|
|
case FLASH_5761VENDOR_ST_A_M45PE20:
|
|
case FLASH_5761VENDOR_ST_M_M45PE20:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tg3_get_5906_nvram_info(struct tg3 *tp)
|
|
{
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
}
|
|
|
|
static void tg3_get_57780_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
|
|
case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
return;
|
|
case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB011D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB011B:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB021D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB021B:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB041D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB041B:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB011D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB011B:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB021D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB021B:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB041D:
|
|
case FLASH_57780VENDOR_ATMEL_AT45DB041B:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
break;
|
|
}
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE10:
|
|
case FLASH_5752VENDOR_ST_M45PE20:
|
|
case FLASH_5752VENDOR_ST_M45PE40:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5752VENDOR_ST_M45PE10:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE20:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
case FLASH_5752VENDOR_ST_M45PE40:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
return;
|
|
}
|
|
|
|
tg3_nvram_get_pagesize(tp, nvcfg1);
|
|
if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
|
|
tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
|
|
}
|
|
|
|
|
|
static void tg3_get_5717_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5717VENDOR_ATMEL_EEPROM:
|
|
case FLASH_5717VENDOR_MICRO_EEPROM:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
return;
|
|
case FLASH_5717VENDOR_ATMEL_MDB011D:
|
|
case FLASH_5717VENDOR_ATMEL_ADB011B:
|
|
case FLASH_5717VENDOR_ATMEL_ADB011D:
|
|
case FLASH_5717VENDOR_ATMEL_MDB021D:
|
|
case FLASH_5717VENDOR_ATMEL_ADB021B:
|
|
case FLASH_5717VENDOR_ATMEL_ADB021D:
|
|
case FLASH_5717VENDOR_ATMEL_45USPT:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5717VENDOR_ATMEL_MDB021D:
|
|
/* Detect size with tg3_nvram_get_size() */
|
|
break;
|
|
case FLASH_5717VENDOR_ATMEL_ADB021B:
|
|
case FLASH_5717VENDOR_ATMEL_ADB021D:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
default:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
}
|
|
break;
|
|
case FLASH_5717VENDOR_ST_M_M25PE10:
|
|
case FLASH_5717VENDOR_ST_A_M25PE10:
|
|
case FLASH_5717VENDOR_ST_M_M45PE10:
|
|
case FLASH_5717VENDOR_ST_A_M45PE10:
|
|
case FLASH_5717VENDOR_ST_M_M25PE20:
|
|
case FLASH_5717VENDOR_ST_A_M25PE20:
|
|
case FLASH_5717VENDOR_ST_M_M45PE20:
|
|
case FLASH_5717VENDOR_ST_A_M45PE20:
|
|
case FLASH_5717VENDOR_ST_25USPT:
|
|
case FLASH_5717VENDOR_ST_45USPT:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
|
|
case FLASH_5717VENDOR_ST_M_M25PE20:
|
|
case FLASH_5717VENDOR_ST_M_M45PE20:
|
|
/* Detect size with tg3_nvram_get_size() */
|
|
break;
|
|
case FLASH_5717VENDOR_ST_A_M25PE20:
|
|
case FLASH_5717VENDOR_ST_A_M45PE20:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
default:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
return;
|
|
}
|
|
|
|
tg3_nvram_get_pagesize(tp, nvcfg1);
|
|
if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
|
|
tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
|
|
}
|
|
|
|
static void tg3_get_5720_nvram_info(struct tg3 *tp)
|
|
{
|
|
u32 nvcfg1, nvmpinstrp, nv_status;
|
|
|
|
nvcfg1 = tr32(NVRAM_CFG1);
|
|
nvmpinstrp = nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
if (!(nvcfg1 & NVRAM_CFG1_5762VENDOR_MASK)) {
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
return;
|
|
}
|
|
|
|
switch (nvmpinstrp) {
|
|
case FLASH_5762_MX25L_100:
|
|
case FLASH_5762_MX25L_200:
|
|
case FLASH_5762_MX25L_400:
|
|
case FLASH_5762_MX25L_800:
|
|
case FLASH_5762_MX25L_160_320:
|
|
tp->nvram_pagesize = 4096;
|
|
tp->nvram_jedecnum = JEDEC_MACRONIX;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
|
|
tg3_flag_set(tp, FLASH);
|
|
nv_status = tr32(NVRAM_AUTOSENSE_STATUS);
|
|
tp->nvram_size =
|
|
(1 << (nv_status >> AUTOSENSE_DEVID &
|
|
AUTOSENSE_DEVID_MASK)
|
|
<< AUTOSENSE_SIZE_IN_MB);
|
|
return;
|
|
|
|
case FLASH_5762_EEPROM_HD:
|
|
nvmpinstrp = FLASH_5720_EEPROM_HD;
|
|
break;
|
|
case FLASH_5762_EEPROM_LD:
|
|
nvmpinstrp = FLASH_5720_EEPROM_LD;
|
|
break;
|
|
case FLASH_5720VENDOR_M_ST_M45PE20:
|
|
/* This pinstrap supports multiple sizes, so force it
|
|
* to read the actual size from location 0xf0.
|
|
*/
|
|
nvmpinstrp = FLASH_5720VENDOR_ST_45USPT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (nvmpinstrp) {
|
|
case FLASH_5720_EEPROM_HD:
|
|
case FLASH_5720_EEPROM_LD:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
|
|
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
|
|
tw32(NVRAM_CFG1, nvcfg1);
|
|
if (nvmpinstrp == FLASH_5720_EEPROM_HD)
|
|
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
|
|
else
|
|
tp->nvram_pagesize = ATMEL_AT24C02_CHIP_SIZE;
|
|
return;
|
|
case FLASH_5720VENDOR_M_ATMEL_DB011D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB011B:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB011D:
|
|
case FLASH_5720VENDOR_M_ATMEL_DB021D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB021B:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB021D:
|
|
case FLASH_5720VENDOR_M_ATMEL_DB041D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB041B:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB041D:
|
|
case FLASH_5720VENDOR_M_ATMEL_DB081D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB081D:
|
|
case FLASH_5720VENDOR_ATMEL_45USPT:
|
|
tp->nvram_jedecnum = JEDEC_ATMEL;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvmpinstrp) {
|
|
case FLASH_5720VENDOR_M_ATMEL_DB021D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB021B:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB021D:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
case FLASH_5720VENDOR_M_ATMEL_DB041D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB041B:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB041D:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
break;
|
|
case FLASH_5720VENDOR_M_ATMEL_DB081D:
|
|
case FLASH_5720VENDOR_A_ATMEL_DB081D:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_1MB;
|
|
break;
|
|
default:
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5762)
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
}
|
|
break;
|
|
case FLASH_5720VENDOR_M_ST_M25PE10:
|
|
case FLASH_5720VENDOR_M_ST_M45PE10:
|
|
case FLASH_5720VENDOR_A_ST_M25PE10:
|
|
case FLASH_5720VENDOR_A_ST_M45PE10:
|
|
case FLASH_5720VENDOR_M_ST_M25PE20:
|
|
case FLASH_5720VENDOR_M_ST_M45PE20:
|
|
case FLASH_5720VENDOR_A_ST_M25PE20:
|
|
case FLASH_5720VENDOR_A_ST_M45PE20:
|
|
case FLASH_5720VENDOR_M_ST_M25PE40:
|
|
case FLASH_5720VENDOR_M_ST_M45PE40:
|
|
case FLASH_5720VENDOR_A_ST_M25PE40:
|
|
case FLASH_5720VENDOR_A_ST_M45PE40:
|
|
case FLASH_5720VENDOR_M_ST_M25PE80:
|
|
case FLASH_5720VENDOR_M_ST_M45PE80:
|
|
case FLASH_5720VENDOR_A_ST_M25PE80:
|
|
case FLASH_5720VENDOR_A_ST_M45PE80:
|
|
case FLASH_5720VENDOR_ST_25USPT:
|
|
case FLASH_5720VENDOR_ST_45USPT:
|
|
tp->nvram_jedecnum = JEDEC_ST;
|
|
tg3_flag_set(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, FLASH);
|
|
|
|
switch (nvmpinstrp) {
|
|
case FLASH_5720VENDOR_M_ST_M25PE20:
|
|
case FLASH_5720VENDOR_M_ST_M45PE20:
|
|
case FLASH_5720VENDOR_A_ST_M25PE20:
|
|
case FLASH_5720VENDOR_A_ST_M45PE20:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_256KB;
|
|
break;
|
|
case FLASH_5720VENDOR_M_ST_M25PE40:
|
|
case FLASH_5720VENDOR_M_ST_M45PE40:
|
|
case FLASH_5720VENDOR_A_ST_M25PE40:
|
|
case FLASH_5720VENDOR_A_ST_M45PE40:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_512KB;
|
|
break;
|
|
case FLASH_5720VENDOR_M_ST_M25PE80:
|
|
case FLASH_5720VENDOR_M_ST_M45PE80:
|
|
case FLASH_5720VENDOR_A_ST_M25PE80:
|
|
case FLASH_5720VENDOR_A_ST_M45PE80:
|
|
tp->nvram_size = TG3_NVRAM_SIZE_1MB;
|
|
break;
|
|
default:
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5762)
|
|
tp->nvram_size = TG3_NVRAM_SIZE_128KB;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
return;
|
|
}
|
|
|
|
tg3_nvram_get_pagesize(tp, nvcfg1);
|
|
if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
|
|
tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762) {
|
|
u32 val;
|
|
|
|
if (tg3_nvram_read(tp, 0, &val))
|
|
return;
|
|
|
|
if (val != TG3_EEPROM_MAGIC &&
|
|
(val & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW)
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
}
|
|
}
|
|
|
|
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
|
|
static void tg3_nvram_init(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, IS_SSB_CORE)) {
|
|
/* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
|
|
tg3_flag_clear(tp, NVRAM);
|
|
tg3_flag_clear(tp, NVRAM_BUFFERED);
|
|
tg3_flag_set(tp, NO_NVRAM);
|
|
return;
|
|
}
|
|
|
|
tw32_f(GRC_EEPROM_ADDR,
|
|
(EEPROM_ADDR_FSM_RESET |
|
|
(EEPROM_DEFAULT_CLOCK_PERIOD <<
|
|
EEPROM_ADDR_CLKPERD_SHIFT)));
|
|
|
|
msleep(1);
|
|
|
|
/* Enable seeprom accesses. */
|
|
tw32_f(GRC_LOCAL_CTRL,
|
|
tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
|
|
udelay(100);
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5701) {
|
|
tg3_flag_set(tp, NVRAM);
|
|
|
|
if (tg3_nvram_lock(tp)) {
|
|
netdev_warn(tp->dev,
|
|
"Cannot get nvram lock, %s failed\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
tg3_enable_nvram_access(tp);
|
|
|
|
tp->nvram_size = 0;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5752)
|
|
tg3_get_5752_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5755)
|
|
tg3_get_5755_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5787 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785)
|
|
tg3_get_5787_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5761)
|
|
tg3_get_5761_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
tg3_get_5906_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_57780 ||
|
|
tg3_flag(tp, 57765_CLASS))
|
|
tg3_get_57780_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
tg3_get_5717_nvram_info(tp);
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tg3_get_5720_nvram_info(tp);
|
|
else
|
|
tg3_get_nvram_info(tp);
|
|
|
|
if (tp->nvram_size == 0)
|
|
tg3_get_nvram_size(tp);
|
|
|
|
tg3_disable_nvram_access(tp);
|
|
tg3_nvram_unlock(tp);
|
|
|
|
} else {
|
|
tg3_flag_clear(tp, NVRAM);
|
|
tg3_flag_clear(tp, NVRAM_BUFFERED);
|
|
|
|
tg3_get_eeprom_size(tp);
|
|
}
|
|
}
|
|
|
|
struct subsys_tbl_ent {
|
|
u16 subsys_vendor, subsys_devid;
|
|
u32 phy_id;
|
|
};
|
|
|
|
static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
|
|
/* Broadcom boards. */
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
|
|
{ TG3PCI_SUBVENDOR_ID_BROADCOM,
|
|
TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
|
|
|
|
/* 3com boards. */
|
|
{ TG3PCI_SUBVENDOR_ID_3COM,
|
|
TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
|
|
{ TG3PCI_SUBVENDOR_ID_3COM,
|
|
TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_3COM,
|
|
TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
|
|
{ TG3PCI_SUBVENDOR_ID_3COM,
|
|
TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_3COM,
|
|
TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
|
|
|
|
/* DELL boards. */
|
|
{ TG3PCI_SUBVENDOR_ID_DELL,
|
|
TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
|
|
{ TG3PCI_SUBVENDOR_ID_DELL,
|
|
TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
|
|
{ TG3PCI_SUBVENDOR_ID_DELL,
|
|
TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
|
|
{ TG3PCI_SUBVENDOR_ID_DELL,
|
|
TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
|
|
|
|
/* Compaq boards. */
|
|
{ TG3PCI_SUBVENDOR_ID_COMPAQ,
|
|
TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_COMPAQ,
|
|
TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_COMPAQ,
|
|
TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
|
|
{ TG3PCI_SUBVENDOR_ID_COMPAQ,
|
|
TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
|
|
{ TG3PCI_SUBVENDOR_ID_COMPAQ,
|
|
TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
|
|
|
|
/* IBM boards. */
|
|
{ TG3PCI_SUBVENDOR_ID_IBM,
|
|
TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
|
|
};
|
|
|
|
static struct subsys_tbl_ent *tg3_lookup_by_subsys(struct tg3 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
|
|
if ((subsys_id_to_phy_id[i].subsys_vendor ==
|
|
tp->pdev->subsystem_vendor) &&
|
|
(subsys_id_to_phy_id[i].subsys_devid ==
|
|
tp->pdev->subsystem_device))
|
|
return &subsys_id_to_phy_id[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void tg3_get_eeprom_hw_cfg(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
|
|
tp->phy_id = TG3_PHY_ID_INVALID;
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_1;
|
|
|
|
/* Assume an onboard device and WOL capable by default. */
|
|
tg3_flag_set(tp, EEPROM_WRITE_PROT);
|
|
tg3_flag_set(tp, WOL_CAP);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
|
|
tg3_flag_clear(tp, EEPROM_WRITE_PROT);
|
|
tg3_flag_set(tp, IS_NIC);
|
|
}
|
|
val = tr32(VCPU_CFGSHDW);
|
|
if (val & VCPU_CFGSHDW_ASPM_DBNC)
|
|
tg3_flag_set(tp, ASPM_WORKAROUND);
|
|
if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
|
|
(val & VCPU_CFGSHDW_WOL_MAGPKT)) {
|
|
tg3_flag_set(tp, WOL_ENABLE);
|
|
device_set_wakeup_enable(&tp->pdev->dev, true);
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
|
|
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
|
|
u32 nic_cfg, led_cfg;
|
|
u32 cfg2 = 0, cfg4 = 0, cfg5 = 0;
|
|
u32 nic_phy_id, ver, eeprom_phy_id;
|
|
int eeprom_phy_serdes = 0;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
|
|
tp->nic_sram_data_cfg = nic_cfg;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
|
|
ver >>= NIC_SRAM_DATA_VER_SHIFT;
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5701 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5703 &&
|
|
(ver > 0) && (ver < 0x100))
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5785)
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_5, &cfg5);
|
|
|
|
if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
|
|
NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
|
|
eeprom_phy_serdes = 1;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
|
|
if (nic_phy_id != 0) {
|
|
u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
|
|
u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
|
|
|
|
eeprom_phy_id = (id1 >> 16) << 10;
|
|
eeprom_phy_id |= (id2 & 0xfc00) << 16;
|
|
eeprom_phy_id |= (id2 & 0x03ff) << 0;
|
|
} else
|
|
eeprom_phy_id = 0;
|
|
|
|
tp->phy_id = eeprom_phy_id;
|
|
if (eeprom_phy_serdes) {
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
|
|
else
|
|
tp->phy_flags |= TG3_PHYFLG_MII_SERDES;
|
|
}
|
|
|
|
if (tg3_flag(tp, 5750_PLUS))
|
|
led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
|
|
SHASTA_EXT_LED_MODE_MASK);
|
|
else
|
|
led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
|
|
|
|
switch (led_cfg) {
|
|
default:
|
|
case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_1;
|
|
break;
|
|
|
|
case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_2;
|
|
break;
|
|
|
|
case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
|
|
tp->led_ctrl = LED_CTRL_MODE_MAC;
|
|
|
|
/* Default to PHY_1_MODE if 0 (MAC_MODE) is
|
|
* read on some older 5700/5701 bootcode.
|
|
*/
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701)
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_1;
|
|
|
|
break;
|
|
|
|
case SHASTA_EXT_LED_SHARED:
|
|
tp->led_ctrl = LED_CTRL_MODE_SHARED;
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A1)
|
|
tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
|
|
LED_CTRL_MODE_PHY_2);
|
|
|
|
if (tg3_flag(tp, 5717_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tp->led_ctrl |= LED_CTRL_BLINK_RATE_OVERRIDE |
|
|
LED_CTRL_BLINK_RATE_MASK;
|
|
|
|
break;
|
|
|
|
case SHASTA_EXT_LED_MAC:
|
|
tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
|
|
break;
|
|
|
|
case SHASTA_EXT_LED_COMBO:
|
|
tp->led_ctrl = LED_CTRL_MODE_COMBO;
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0)
|
|
tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
|
|
LED_CTRL_MODE_PHY_2);
|
|
break;
|
|
|
|
}
|
|
|
|
if ((tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) &&
|
|
tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_2;
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5784_AX)
|
|
tp->led_ctrl = LED_CTRL_MODE_PHY_1;
|
|
|
|
if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
|
|
tg3_flag_set(tp, EEPROM_WRITE_PROT);
|
|
if ((tp->pdev->subsystem_vendor ==
|
|
PCI_VENDOR_ID_ARIMA) &&
|
|
(tp->pdev->subsystem_device == 0x205a ||
|
|
tp->pdev->subsystem_device == 0x2063))
|
|
tg3_flag_clear(tp, EEPROM_WRITE_PROT);
|
|
} else {
|
|
tg3_flag_clear(tp, EEPROM_WRITE_PROT);
|
|
tg3_flag_set(tp, IS_NIC);
|
|
}
|
|
|
|
if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
|
|
tg3_flag_set(tp, ENABLE_ASF);
|
|
if (tg3_flag(tp, 5750_PLUS))
|
|
tg3_flag_set(tp, ASF_NEW_HANDSHAKE);
|
|
}
|
|
|
|
if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
|
|
tg3_flag(tp, 5750_PLUS))
|
|
tg3_flag_set(tp, ENABLE_APE);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES &&
|
|
!(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
|
|
tg3_flag_clear(tp, WOL_CAP);
|
|
|
|
if (tg3_flag(tp, WOL_CAP) &&
|
|
(nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)) {
|
|
tg3_flag_set(tp, WOL_ENABLE);
|
|
device_set_wakeup_enable(&tp->pdev->dev, true);
|
|
}
|
|
|
|
if (cfg2 & (1 << 17))
|
|
tp->phy_flags |= TG3_PHYFLG_CAPACITIVE_COUPLING;
|
|
|
|
/* serdes signal pre-emphasis in register 0x590 set by */
|
|
/* bootcode if bit 18 is set */
|
|
if (cfg2 & (1 << 18))
|
|
tp->phy_flags |= TG3_PHYFLG_SERDES_PREEMPHASIS;
|
|
|
|
if ((tg3_flag(tp, 57765_PLUS) ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_5784 &&
|
|
tg3_chip_rev(tp) != CHIPREV_5784_AX)) &&
|
|
(cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
|
|
tp->phy_flags |= TG3_PHYFLG_ENABLE_APD;
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
u32 cfg3;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5785 &&
|
|
!tg3_flag(tp, 57765_PLUS) &&
|
|
(cfg3 & NIC_SRAM_ASPM_DEBOUNCE))
|
|
tg3_flag_set(tp, ASPM_WORKAROUND);
|
|
if (cfg3 & NIC_SRAM_LNK_FLAP_AVOID)
|
|
tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN;
|
|
if (cfg3 & NIC_SRAM_1G_ON_VAUX_OK)
|
|
tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK;
|
|
}
|
|
|
|
if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
|
|
tg3_flag_set(tp, RGMII_INBAND_DISABLE);
|
|
if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
|
|
tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN);
|
|
if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
|
|
tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN);
|
|
|
|
if (cfg5 & NIC_SRAM_DISABLE_1G_HALF_ADV)
|
|
tp->phy_flags |= TG3_PHYFLG_DISABLE_1G_HD_ADV;
|
|
}
|
|
done:
|
|
if (tg3_flag(tp, WOL_CAP))
|
|
device_set_wakeup_enable(&tp->pdev->dev,
|
|
tg3_flag(tp, WOL_ENABLE));
|
|
else
|
|
device_set_wakeup_capable(&tp->pdev->dev, false);
|
|
}
|
|
|
|
static int tg3_ape_otp_read(struct tg3 *tp, u32 offset, u32 *val)
|
|
{
|
|
int i, err;
|
|
u32 val2, off = offset * 8;
|
|
|
|
err = tg3_nvram_lock(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_ape_write32(tp, TG3_APE_OTP_ADDR, off | APE_OTP_ADDR_CPU_ENABLE);
|
|
tg3_ape_write32(tp, TG3_APE_OTP_CTRL, APE_OTP_CTRL_PROG_EN |
|
|
APE_OTP_CTRL_CMD_RD | APE_OTP_CTRL_START);
|
|
tg3_ape_read32(tp, TG3_APE_OTP_CTRL);
|
|
udelay(10);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
val2 = tg3_ape_read32(tp, TG3_APE_OTP_STATUS);
|
|
if (val2 & APE_OTP_STATUS_CMD_DONE) {
|
|
*val = tg3_ape_read32(tp, TG3_APE_OTP_RD_DATA);
|
|
break;
|
|
}
|
|
udelay(10);
|
|
}
|
|
|
|
tg3_ape_write32(tp, TG3_APE_OTP_CTRL, 0);
|
|
|
|
tg3_nvram_unlock(tp);
|
|
if (val2 & APE_OTP_STATUS_CMD_DONE)
|
|
return 0;
|
|
|
|
return -EBUSY;
|
|
}
|
|
|
|
static int tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
|
|
{
|
|
int i;
|
|
u32 val;
|
|
|
|
tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
|
|
tw32(OTP_CTRL, cmd);
|
|
|
|
/* Wait for up to 1 ms for command to execute. */
|
|
for (i = 0; i < 100; i++) {
|
|
val = tr32(OTP_STATUS);
|
|
if (val & OTP_STATUS_CMD_DONE)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
|
|
return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
|
|
}
|
|
|
|
/* Read the gphy configuration from the OTP region of the chip. The gphy
|
|
* configuration is a 32-bit value that straddles the alignment boundary.
|
|
* We do two 32-bit reads and then shift and merge the results.
|
|
*/
|
|
static u32 tg3_read_otp_phycfg(struct tg3 *tp)
|
|
{
|
|
u32 bhalf_otp, thalf_otp;
|
|
|
|
tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
|
|
|
|
if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
|
|
return 0;
|
|
|
|
tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
|
|
|
|
if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
|
|
return 0;
|
|
|
|
thalf_otp = tr32(OTP_READ_DATA);
|
|
|
|
tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
|
|
|
|
if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
|
|
return 0;
|
|
|
|
bhalf_otp = tr32(OTP_READ_DATA);
|
|
|
|
return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
|
|
}
|
|
|
|
static void tg3_phy_init_link_config(struct tg3 *tp)
|
|
{
|
|
u32 adv = ADVERTISED_Autoneg;
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
|
|
if (!(tp->phy_flags & TG3_PHYFLG_DISABLE_1G_HD_ADV))
|
|
adv |= ADVERTISED_1000baseT_Half;
|
|
adv |= ADVERTISED_1000baseT_Full;
|
|
}
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
|
|
adv |= ADVERTISED_100baseT_Half |
|
|
ADVERTISED_100baseT_Full |
|
|
ADVERTISED_10baseT_Half |
|
|
ADVERTISED_10baseT_Full |
|
|
ADVERTISED_TP;
|
|
else
|
|
adv |= ADVERTISED_FIBRE;
|
|
|
|
tp->link_config.advertising = adv;
|
|
tp->link_config.speed = SPEED_UNKNOWN;
|
|
tp->link_config.duplex = DUPLEX_UNKNOWN;
|
|
tp->link_config.autoneg = AUTONEG_ENABLE;
|
|
tp->link_config.active_speed = SPEED_UNKNOWN;
|
|
tp->link_config.active_duplex = DUPLEX_UNKNOWN;
|
|
|
|
tp->old_link = -1;
|
|
}
|
|
|
|
static int tg3_phy_probe(struct tg3 *tp)
|
|
{
|
|
u32 hw_phy_id_1, hw_phy_id_2;
|
|
u32 hw_phy_id, hw_phy_id_masked;
|
|
int err;
|
|
|
|
/* flow control autonegotiation is default behavior */
|
|
tg3_flag_set(tp, PAUSE_AUTONEG);
|
|
tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
|
|
|
|
if (tg3_flag(tp, ENABLE_APE)) {
|
|
switch (tp->pci_fn) {
|
|
case 0:
|
|
tp->phy_ape_lock = TG3_APE_LOCK_PHY0;
|
|
break;
|
|
case 1:
|
|
tp->phy_ape_lock = TG3_APE_LOCK_PHY1;
|
|
break;
|
|
case 2:
|
|
tp->phy_ape_lock = TG3_APE_LOCK_PHY2;
|
|
break;
|
|
case 3:
|
|
tp->phy_ape_lock = TG3_APE_LOCK_PHY3;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!tg3_flag(tp, ENABLE_ASF) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
|
|
tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |
|
|
TG3_PHYFLG_KEEP_LINK_ON_PWRDN);
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB))
|
|
return tg3_phy_init(tp);
|
|
|
|
/* Reading the PHY ID register can conflict with ASF
|
|
* firmware access to the PHY hardware.
|
|
*/
|
|
err = 0;
|
|
if (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE)) {
|
|
hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
|
|
} else {
|
|
/* Now read the physical PHY_ID from the chip and verify
|
|
* that it is sane. If it doesn't look good, we fall back
|
|
* to either the hard-coded table based PHY_ID and failing
|
|
* that the value found in the eeprom area.
|
|
*/
|
|
err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
|
|
err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
|
|
|
|
hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
|
|
hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
|
|
hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
|
|
|
|
hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
|
|
}
|
|
|
|
if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
|
|
tp->phy_id = hw_phy_id;
|
|
if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
|
|
tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
|
|
else
|
|
tp->phy_flags &= ~TG3_PHYFLG_PHY_SERDES;
|
|
} else {
|
|
if (tp->phy_id != TG3_PHY_ID_INVALID) {
|
|
/* Do nothing, phy ID already set up in
|
|
* tg3_get_eeprom_hw_cfg().
|
|
*/
|
|
} else {
|
|
struct subsys_tbl_ent *p;
|
|
|
|
/* No eeprom signature? Try the hardcoded
|
|
* subsys device table.
|
|
*/
|
|
p = tg3_lookup_by_subsys(tp);
|
|
if (p) {
|
|
tp->phy_id = p->phy_id;
|
|
} else if (!tg3_flag(tp, IS_SSB_CORE)) {
|
|
/* For now we saw the IDs 0xbc050cd0,
|
|
* 0xbc050f80 and 0xbc050c30 on devices
|
|
* connected to an BCM4785 and there are
|
|
* probably more. Just assume that the phy is
|
|
* supported when it is connected to a SSB core
|
|
* for now.
|
|
*/
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!tp->phy_id ||
|
|
tp->phy_id == TG3_PHY_ID_BCM8002)
|
|
tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
|
|
}
|
|
}
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
|
|
(tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57766 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762 ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_5717 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5717_A0) ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_57765 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_57765_A0))) {
|
|
tp->phy_flags |= TG3_PHYFLG_EEE_CAP;
|
|
|
|
tp->eee.supported = SUPPORTED_100baseT_Full |
|
|
SUPPORTED_1000baseT_Full;
|
|
tp->eee.advertised = ADVERTISED_100baseT_Full |
|
|
ADVERTISED_1000baseT_Full;
|
|
tp->eee.eee_enabled = 1;
|
|
tp->eee.tx_lpi_enabled = 1;
|
|
tp->eee.tx_lpi_timer = TG3_CPMU_DBTMR1_LNKIDLE_2047US;
|
|
}
|
|
|
|
tg3_phy_init_link_config(tp);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
|
|
!tg3_flag(tp, ENABLE_APE) &&
|
|
!tg3_flag(tp, ENABLE_ASF)) {
|
|
u32 bmsr, dummy;
|
|
|
|
tg3_readphy(tp, MII_BMSR, &bmsr);
|
|
if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
|
|
(bmsr & BMSR_LSTATUS))
|
|
goto skip_phy_reset;
|
|
|
|
err = tg3_phy_reset(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
tg3_phy_set_wirespeed(tp);
|
|
|
|
if (!tg3_phy_copper_an_config_ok(tp, &dummy)) {
|
|
tg3_phy_autoneg_cfg(tp, tp->link_config.advertising,
|
|
tp->link_config.flowctrl);
|
|
|
|
tg3_writephy(tp, MII_BMCR,
|
|
BMCR_ANENABLE | BMCR_ANRESTART);
|
|
}
|
|
}
|
|
|
|
skip_phy_reset:
|
|
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
|
|
err = tg3_init_5401phy_dsp(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
err = tg3_init_5401phy_dsp(tp);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void tg3_read_vpd(struct tg3 *tp)
|
|
{
|
|
u8 *vpd_data;
|
|
unsigned int len, vpdlen;
|
|
int i;
|
|
|
|
vpd_data = (u8 *)tg3_vpd_readblock(tp, &vpdlen);
|
|
if (!vpd_data)
|
|
goto out_no_vpd;
|
|
|
|
i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
|
|
PCI_VPD_RO_KEYWORD_MFR_ID, &len);
|
|
if (i < 0)
|
|
goto partno;
|
|
|
|
if (len != 4 || memcmp(vpd_data + i, "1028", 4))
|
|
goto partno;
|
|
|
|
i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
|
|
PCI_VPD_RO_KEYWORD_VENDOR0, &len);
|
|
if (i < 0)
|
|
goto partno;
|
|
|
|
memset(tp->fw_ver, 0, sizeof(tp->fw_ver));
|
|
snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len, vpd_data + i);
|
|
|
|
partno:
|
|
i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
|
|
PCI_VPD_RO_KEYWORD_PARTNO, &len);
|
|
if (i < 0)
|
|
goto out_not_found;
|
|
|
|
if (len > TG3_BPN_SIZE)
|
|
goto out_not_found;
|
|
|
|
memcpy(tp->board_part_number, &vpd_data[i], len);
|
|
|
|
out_not_found:
|
|
kfree(vpd_data);
|
|
if (tp->board_part_number[0])
|
|
return;
|
|
|
|
out_no_vpd:
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717) {
|
|
if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C)
|
|
strcpy(tp->board_part_number, "BCM5717");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718)
|
|
strcpy(tp->board_part_number, "BCM5718");
|
|
else
|
|
goto nomatch;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_57780) {
|
|
if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
|
|
strcpy(tp->board_part_number, "BCM57780");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
|
|
strcpy(tp->board_part_number, "BCM57760");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
|
|
strcpy(tp->board_part_number, "BCM57790");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
|
|
strcpy(tp->board_part_number, "BCM57788");
|
|
else
|
|
goto nomatch;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_57765) {
|
|
if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
|
|
strcpy(tp->board_part_number, "BCM57761");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
|
|
strcpy(tp->board_part_number, "BCM57765");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
|
|
strcpy(tp->board_part_number, "BCM57781");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
|
|
strcpy(tp->board_part_number, "BCM57785");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
|
|
strcpy(tp->board_part_number, "BCM57791");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
|
|
strcpy(tp->board_part_number, "BCM57795");
|
|
else
|
|
goto nomatch;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_57766) {
|
|
if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57762)
|
|
strcpy(tp->board_part_number, "BCM57762");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57766)
|
|
strcpy(tp->board_part_number, "BCM57766");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57782)
|
|
strcpy(tp->board_part_number, "BCM57782");
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57786)
|
|
strcpy(tp->board_part_number, "BCM57786");
|
|
else
|
|
goto nomatch;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
strcpy(tp->board_part_number, "BCM95906");
|
|
} else {
|
|
nomatch:
|
|
strcpy(tp->board_part_number, "none");
|
|
}
|
|
}
|
|
|
|
static int tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
|
|
{
|
|
u32 val;
|
|
|
|
if (tg3_nvram_read(tp, offset, &val) ||
|
|
(val & 0xfc000000) != 0x0c000000 ||
|
|
tg3_nvram_read(tp, offset + 4, &val) ||
|
|
val != 0)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void tg3_read_bc_ver(struct tg3 *tp)
|
|
{
|
|
u32 val, offset, start, ver_offset;
|
|
int i, dst_off;
|
|
bool newver = false;
|
|
|
|
if (tg3_nvram_read(tp, 0xc, &offset) ||
|
|
tg3_nvram_read(tp, 0x4, &start))
|
|
return;
|
|
|
|
offset = tg3_nvram_logical_addr(tp, offset);
|
|
|
|
if (tg3_nvram_read(tp, offset, &val))
|
|
return;
|
|
|
|
if ((val & 0xfc000000) == 0x0c000000) {
|
|
if (tg3_nvram_read(tp, offset + 4, &val))
|
|
return;
|
|
|
|
if (val == 0)
|
|
newver = true;
|
|
}
|
|
|
|
dst_off = strlen(tp->fw_ver);
|
|
|
|
if (newver) {
|
|
if (TG3_VER_SIZE - dst_off < 16 ||
|
|
tg3_nvram_read(tp, offset + 8, &ver_offset))
|
|
return;
|
|
|
|
offset = offset + ver_offset - start;
|
|
for (i = 0; i < 16; i += 4) {
|
|
__be32 v;
|
|
if (tg3_nvram_read_be32(tp, offset + i, &v))
|
|
return;
|
|
|
|
memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v));
|
|
}
|
|
} else {
|
|
u32 major, minor;
|
|
|
|
if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
|
|
return;
|
|
|
|
major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
|
|
TG3_NVM_BCVER_MAJSFT;
|
|
minor = ver_offset & TG3_NVM_BCVER_MINMSK;
|
|
snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off,
|
|
"v%d.%02d", major, minor);
|
|
}
|
|
}
|
|
|
|
static void tg3_read_hwsb_ver(struct tg3 *tp)
|
|
{
|
|
u32 val, major, minor;
|
|
|
|
/* Use native endian representation */
|
|
if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
|
|
return;
|
|
|
|
major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
|
|
TG3_NVM_HWSB_CFG1_MAJSFT;
|
|
minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
|
|
TG3_NVM_HWSB_CFG1_MINSFT;
|
|
|
|
snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
|
|
}
|
|
|
|
static void tg3_read_sb_ver(struct tg3 *tp, u32 val)
|
|
{
|
|
u32 offset, major, minor, build;
|
|
|
|
strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1);
|
|
|
|
if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
|
|
return;
|
|
|
|
switch (val & TG3_EEPROM_SB_REVISION_MASK) {
|
|
case TG3_EEPROM_SB_REVISION_0:
|
|
offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_2:
|
|
offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_3:
|
|
offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_4:
|
|
offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_5:
|
|
offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
|
|
break;
|
|
case TG3_EEPROM_SB_REVISION_6:
|
|
offset = TG3_EEPROM_SB_F1R6_EDH_OFF;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (tg3_nvram_read(tp, offset, &val))
|
|
return;
|
|
|
|
build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
|
|
TG3_EEPROM_SB_EDH_BLD_SHFT;
|
|
major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
|
|
TG3_EEPROM_SB_EDH_MAJ_SHFT;
|
|
minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
|
|
|
|
if (minor > 99 || build > 26)
|
|
return;
|
|
|
|
offset = strlen(tp->fw_ver);
|
|
snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset,
|
|
" v%d.%02d", major, minor);
|
|
|
|
if (build > 0) {
|
|
offset = strlen(tp->fw_ver);
|
|
if (offset < TG3_VER_SIZE - 1)
|
|
tp->fw_ver[offset] = 'a' + build - 1;
|
|
}
|
|
}
|
|
|
|
static void tg3_read_mgmtfw_ver(struct tg3 *tp)
|
|
{
|
|
u32 val, offset, start;
|
|
int i, vlen;
|
|
|
|
for (offset = TG3_NVM_DIR_START;
|
|
offset < TG3_NVM_DIR_END;
|
|
offset += TG3_NVM_DIRENT_SIZE) {
|
|
if (tg3_nvram_read(tp, offset, &val))
|
|
return;
|
|
|
|
if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
|
|
break;
|
|
}
|
|
|
|
if (offset == TG3_NVM_DIR_END)
|
|
return;
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS))
|
|
start = 0x08000000;
|
|
else if (tg3_nvram_read(tp, offset - 4, &start))
|
|
return;
|
|
|
|
if (tg3_nvram_read(tp, offset + 4, &offset) ||
|
|
!tg3_fw_img_is_valid(tp, offset) ||
|
|
tg3_nvram_read(tp, offset + 8, &val))
|
|
return;
|
|
|
|
offset += val - start;
|
|
|
|
vlen = strlen(tp->fw_ver);
|
|
|
|
tp->fw_ver[vlen++] = ',';
|
|
tp->fw_ver[vlen++] = ' ';
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
__be32 v;
|
|
if (tg3_nvram_read_be32(tp, offset, &v))
|
|
return;
|
|
|
|
offset += sizeof(v);
|
|
|
|
if (vlen > TG3_VER_SIZE - sizeof(v)) {
|
|
memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
|
|
break;
|
|
}
|
|
|
|
memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
|
|
vlen += sizeof(v);
|
|
}
|
|
}
|
|
|
|
static void tg3_probe_ncsi(struct tg3 *tp)
|
|
{
|
|
u32 apedata;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
|
|
if (apedata != APE_SEG_SIG_MAGIC)
|
|
return;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
|
|
if (!(apedata & APE_FW_STATUS_READY))
|
|
return;
|
|
|
|
if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI)
|
|
tg3_flag_set(tp, APE_HAS_NCSI);
|
|
}
|
|
|
|
static void tg3_read_dash_ver(struct tg3 *tp)
|
|
{
|
|
int vlen;
|
|
u32 apedata;
|
|
char *fwtype;
|
|
|
|
apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
|
|
|
|
if (tg3_flag(tp, APE_HAS_NCSI))
|
|
fwtype = "NCSI";
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725)
|
|
fwtype = "SMASH";
|
|
else
|
|
fwtype = "DASH";
|
|
|
|
vlen = strlen(tp->fw_ver);
|
|
|
|
snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d",
|
|
fwtype,
|
|
(apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
|
|
(apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
|
|
(apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
|
|
(apedata & APE_FW_VERSION_BLDMSK));
|
|
}
|
|
|
|
static void tg3_read_otp_ver(struct tg3 *tp)
|
|
{
|
|
u32 val, val2;
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5762)
|
|
return;
|
|
|
|
if (!tg3_ape_otp_read(tp, OTP_ADDRESS_MAGIC0, &val) &&
|
|
!tg3_ape_otp_read(tp, OTP_ADDRESS_MAGIC0 + 4, &val2) &&
|
|
TG3_OTP_MAGIC0_VALID(val)) {
|
|
u64 val64 = (u64) val << 32 | val2;
|
|
u32 ver = 0;
|
|
int i, vlen;
|
|
|
|
for (i = 0; i < 7; i++) {
|
|
if ((val64 & 0xff) == 0)
|
|
break;
|
|
ver = val64 & 0xff;
|
|
val64 >>= 8;
|
|
}
|
|
vlen = strlen(tp->fw_ver);
|
|
snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " .%02d", ver);
|
|
}
|
|
}
|
|
|
|
static void tg3_read_fw_ver(struct tg3 *tp)
|
|
{
|
|
u32 val;
|
|
bool vpd_vers = false;
|
|
|
|
if (tp->fw_ver[0] != 0)
|
|
vpd_vers = true;
|
|
|
|
if (tg3_flag(tp, NO_NVRAM)) {
|
|
strcat(tp->fw_ver, "sb");
|
|
tg3_read_otp_ver(tp);
|
|
return;
|
|
}
|
|
|
|
if (tg3_nvram_read(tp, 0, &val))
|
|
return;
|
|
|
|
if (val == TG3_EEPROM_MAGIC)
|
|
tg3_read_bc_ver(tp);
|
|
else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
|
|
tg3_read_sb_ver(tp, val);
|
|
else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
|
|
tg3_read_hwsb_ver(tp);
|
|
|
|
if (tg3_flag(tp, ENABLE_ASF)) {
|
|
if (tg3_flag(tp, ENABLE_APE)) {
|
|
tg3_probe_ncsi(tp);
|
|
if (!vpd_vers)
|
|
tg3_read_dash_ver(tp);
|
|
} else if (!vpd_vers) {
|
|
tg3_read_mgmtfw_ver(tp);
|
|
}
|
|
}
|
|
|
|
tp->fw_ver[TG3_VER_SIZE - 1] = 0;
|
|
}
|
|
|
|
static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, LRG_PROD_RING_CAP))
|
|
return TG3_RX_RET_MAX_SIZE_5717;
|
|
else if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS))
|
|
return TG3_RX_RET_MAX_SIZE_5700;
|
|
else
|
|
return TG3_RX_RET_MAX_SIZE_5705;
|
|
}
|
|
|
|
static const struct pci_device_id tg3_write_reorder_chipsets[] = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8385_0) },
|
|
{ },
|
|
};
|
|
|
|
static struct pci_dev *tg3_find_peer(struct tg3 *tp)
|
|
{
|
|
struct pci_dev *peer;
|
|
unsigned int func, devnr = tp->pdev->devfn & ~7;
|
|
|
|
for (func = 0; func < 8; func++) {
|
|
peer = pci_get_slot(tp->pdev->bus, devnr | func);
|
|
if (peer && peer != tp->pdev)
|
|
break;
|
|
pci_dev_put(peer);
|
|
}
|
|
/* 5704 can be configured in single-port mode, set peer to
|
|
* tp->pdev in that case.
|
|
*/
|
|
if (!peer) {
|
|
peer = tp->pdev;
|
|
return peer;
|
|
}
|
|
|
|
/*
|
|
* We don't need to keep the refcount elevated; there's no way
|
|
* to remove one half of this device without removing the other
|
|
*/
|
|
pci_dev_put(peer);
|
|
|
|
return peer;
|
|
}
|
|
|
|
static void tg3_detect_asic_rev(struct tg3 *tp, u32 misc_ctrl_reg)
|
|
{
|
|
tp->pci_chip_rev_id = misc_ctrl_reg >> MISC_HOST_CTRL_CHIPREV_SHIFT;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_USE_PROD_ID_REG) {
|
|
u32 reg;
|
|
|
|
/* All devices that use the alternate
|
|
* ASIC REV location have a CPMU.
|
|
*/
|
|
tg3_flag_set(tp, CPMU_PRESENT);
|
|
|
|
if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57767 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57764 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5762 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5727 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57787)
|
|
reg = TG3PCI_GEN2_PRODID_ASICREV;
|
|
else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57762 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57766 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57782 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57786)
|
|
reg = TG3PCI_GEN15_PRODID_ASICREV;
|
|
else
|
|
reg = TG3PCI_PRODID_ASICREV;
|
|
|
|
pci_read_config_dword(tp->pdev, reg, &tp->pci_chip_rev_id);
|
|
}
|
|
|
|
/* Wrong chip ID in 5752 A0. This code can be removed later
|
|
* as A0 is not in production.
|
|
*/
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5752_A0_HW)
|
|
tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5717_C0)
|
|
tp->pci_chip_rev_id = CHIPREV_ID_5720_A0;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
tg3_flag_set(tp, 5717_PLUS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57765 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57766)
|
|
tg3_flag_set(tp, 57765_CLASS);
|
|
|
|
if (tg3_flag(tp, 57765_CLASS) || tg3_flag(tp, 5717_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tg3_flag_set(tp, 57765_PLUS);
|
|
|
|
/* Intentionally exclude ASIC_REV_5906 */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5787 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5761 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780 ||
|
|
tg3_flag(tp, 57765_PLUS))
|
|
tg3_flag_set(tp, 5755_PLUS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5780 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5714)
|
|
tg3_flag_set(tp, 5780_CLASS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5752 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906 ||
|
|
tg3_flag(tp, 5755_PLUS) ||
|
|
tg3_flag(tp, 5780_CLASS))
|
|
tg3_flag_set(tp, 5750_PLUS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705 ||
|
|
tg3_flag(tp, 5750_PLUS))
|
|
tg3_flag_set(tp, 5705_PLUS);
|
|
}
|
|
|
|
static bool tg3_10_100_only_device(struct tg3 *tp,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
u32 grc_misc_cfg = tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK;
|
|
|
|
if ((tg3_asic_rev(tp) == ASIC_REV_5703 &&
|
|
(grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
|
|
(tp->phy_flags & TG3_PHYFLG_IS_FET))
|
|
return true;
|
|
|
|
if (ent->driver_data & TG3_DRV_DATA_FLAG_10_100_ONLY) {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705) {
|
|
if (ent->driver_data & TG3_DRV_DATA_FLAG_5705_10_100)
|
|
return true;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent)
|
|
{
|
|
u32 misc_ctrl_reg;
|
|
u32 pci_state_reg, grc_misc_cfg;
|
|
u32 val;
|
|
u16 pci_cmd;
|
|
int err;
|
|
|
|
/* Force memory write invalidate off. If we leave it on,
|
|
* then on 5700_BX chips we have to enable a workaround.
|
|
* The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
|
|
* to match the cacheline size. The Broadcom driver have this
|
|
* workaround but turns MWI off all the times so never uses
|
|
* it. This seems to suggest that the workaround is insufficient.
|
|
*/
|
|
pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
|
|
pci_cmd &= ~PCI_COMMAND_INVALIDATE;
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
|
|
|
|
/* Important! -- Make sure register accesses are byteswapped
|
|
* correctly. Also, for those chips that require it, make
|
|
* sure that indirect register accesses are enabled before
|
|
* the first operation.
|
|
*/
|
|
pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
|
|
&misc_ctrl_reg);
|
|
tp->misc_host_ctrl |= (misc_ctrl_reg &
|
|
MISC_HOST_CTRL_CHIPREV);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
|
|
tp->misc_host_ctrl);
|
|
|
|
tg3_detect_asic_rev(tp, misc_ctrl_reg);
|
|
|
|
/* If we have 5702/03 A1 or A2 on certain ICH chipsets,
|
|
* we need to disable memory and use config. cycles
|
|
* only to access all registers. The 5702/03 chips
|
|
* can mistakenly decode the special cycles from the
|
|
* ICH chipsets as memory write cycles, causing corruption
|
|
* of register and memory space. Only certain ICH bridges
|
|
* will drive special cycles with non-zero data during the
|
|
* address phase which can fall within the 5703's address
|
|
* range. This is not an ICH bug as the PCI spec allows
|
|
* non-zero address during special cycles. However, only
|
|
* these ICH bridges are known to drive non-zero addresses
|
|
* during special cycles.
|
|
*
|
|
* Since special cycles do not cross PCI bridges, we only
|
|
* enable this workaround if the 5703 is on the secondary
|
|
* bus of these ICH bridges.
|
|
*/
|
|
if ((tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A1) ||
|
|
(tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A2)) {
|
|
static struct tg3_dev_id {
|
|
u32 vendor;
|
|
u32 device;
|
|
u32 rev;
|
|
} ich_chipsets[] = {
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
|
|
PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
|
|
PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
|
|
0xa },
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
|
|
PCI_ANY_ID },
|
|
{ },
|
|
};
|
|
struct tg3_dev_id *pci_id = &ich_chipsets[0];
|
|
struct pci_dev *bridge = NULL;
|
|
|
|
while (pci_id->vendor != 0) {
|
|
bridge = pci_get_device(pci_id->vendor, pci_id->device,
|
|
bridge);
|
|
if (!bridge) {
|
|
pci_id++;
|
|
continue;
|
|
}
|
|
if (pci_id->rev != PCI_ANY_ID) {
|
|
if (bridge->revision > pci_id->rev)
|
|
continue;
|
|
}
|
|
if (bridge->subordinate &&
|
|
(bridge->subordinate->number ==
|
|
tp->pdev->bus->number)) {
|
|
tg3_flag_set(tp, ICH_WORKAROUND);
|
|
pci_dev_put(bridge);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
static struct tg3_dev_id {
|
|
u32 vendor;
|
|
u32 device;
|
|
} bridge_chipsets[] = {
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
|
|
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
|
|
{ },
|
|
};
|
|
struct tg3_dev_id *pci_id = &bridge_chipsets[0];
|
|
struct pci_dev *bridge = NULL;
|
|
|
|
while (pci_id->vendor != 0) {
|
|
bridge = pci_get_device(pci_id->vendor,
|
|
pci_id->device,
|
|
bridge);
|
|
if (!bridge) {
|
|
pci_id++;
|
|
continue;
|
|
}
|
|
if (bridge->subordinate &&
|
|
(bridge->subordinate->number <=
|
|
tp->pdev->bus->number) &&
|
|
(bridge->subordinate->busn_res.end >=
|
|
tp->pdev->bus->number)) {
|
|
tg3_flag_set(tp, 5701_DMA_BUG);
|
|
pci_dev_put(bridge);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* The EPB bridge inside 5714, 5715, and 5780 cannot support
|
|
* DMA addresses > 40-bit. This bridge may have other additional
|
|
* 57xx devices behind it in some 4-port NIC designs for example.
|
|
* Any tg3 device found behind the bridge will also need the 40-bit
|
|
* DMA workaround.
|
|
*/
|
|
if (tg3_flag(tp, 5780_CLASS)) {
|
|
tg3_flag_set(tp, 40BIT_DMA_BUG);
|
|
tp->msi_cap = tp->pdev->msi_cap;
|
|
} else {
|
|
struct pci_dev *bridge = NULL;
|
|
|
|
do {
|
|
bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
|
|
PCI_DEVICE_ID_SERVERWORKS_EPB,
|
|
bridge);
|
|
if (bridge && bridge->subordinate &&
|
|
(bridge->subordinate->number <=
|
|
tp->pdev->bus->number) &&
|
|
(bridge->subordinate->busn_res.end >=
|
|
tp->pdev->bus->number)) {
|
|
tg3_flag_set(tp, 40BIT_DMA_BUG);
|
|
pci_dev_put(bridge);
|
|
break;
|
|
}
|
|
} while (bridge);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5714)
|
|
tp->pdev_peer = tg3_find_peer(tp);
|
|
|
|
/* Determine TSO capabilities */
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0)
|
|
; /* Do nothing. HW bug. */
|
|
else if (tg3_flag(tp, 57765_PLUS))
|
|
tg3_flag_set(tp, HW_TSO_3);
|
|
else if (tg3_flag(tp, 5755_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
tg3_flag_set(tp, HW_TSO_2);
|
|
else if (tg3_flag(tp, 5750_PLUS)) {
|
|
tg3_flag_set(tp, HW_TSO_1);
|
|
tg3_flag_set(tp, TSO_BUG);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5750 &&
|
|
tg3_chip_rev_id(tp) >= CHIPREV_ID_5750_C2)
|
|
tg3_flag_clear(tp, TSO_BUG);
|
|
} else if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5701 &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
|
|
tg3_flag_set(tp, FW_TSO);
|
|
tg3_flag_set(tp, TSO_BUG);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705)
|
|
tp->fw_needed = FIRMWARE_TG3TSO5;
|
|
else
|
|
tp->fw_needed = FIRMWARE_TG3TSO;
|
|
}
|
|
|
|
/* Selectively allow TSO based on operating conditions */
|
|
if (tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3) ||
|
|
tg3_flag(tp, FW_TSO)) {
|
|
/* For firmware TSO, assume ASF is disabled.
|
|
* We'll disable TSO later if we discover ASF
|
|
* is enabled in tg3_get_eeprom_hw_cfg().
|
|
*/
|
|
tg3_flag_set(tp, TSO_CAPABLE);
|
|
} else {
|
|
tg3_flag_clear(tp, TSO_CAPABLE);
|
|
tg3_flag_clear(tp, TSO_BUG);
|
|
tp->fw_needed = NULL;
|
|
}
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0)
|
|
tp->fw_needed = FIRMWARE_TG3;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766)
|
|
tp->fw_needed = FIRMWARE_TG357766;
|
|
|
|
tp->irq_max = 1;
|
|
|
|
if (tg3_flag(tp, 5750_PLUS)) {
|
|
tg3_flag_set(tp, SUPPORT_MSI);
|
|
if (tg3_chip_rev(tp) == CHIPREV_5750_AX ||
|
|
tg3_chip_rev(tp) == CHIPREV_5750_BX ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_5714 &&
|
|
tg3_chip_rev_id(tp) <= CHIPREV_ID_5714_A2 &&
|
|
tp->pdev_peer == tp->pdev))
|
|
tg3_flag_clear(tp, SUPPORT_MSI);
|
|
|
|
if (tg3_flag(tp, 5755_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tg3_flag_set(tp, 1SHOT_MSI);
|
|
}
|
|
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
tg3_flag_set(tp, SUPPORT_MSIX);
|
|
tp->irq_max = TG3_IRQ_MAX_VECS;
|
|
}
|
|
}
|
|
|
|
tp->txq_max = 1;
|
|
tp->rxq_max = 1;
|
|
if (tp->irq_max > 1) {
|
|
tp->rxq_max = TG3_RSS_MAX_NUM_QS;
|
|
tg3_rss_init_dflt_indir_tbl(tp, TG3_RSS_MAX_NUM_QS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720)
|
|
tp->txq_max = tp->irq_max - 1;
|
|
}
|
|
|
|
if (tg3_flag(tp, 5755_PLUS) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
tg3_flag_set(tp, SHORT_DMA_BUG);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719)
|
|
tp->dma_limit = TG3_TX_BD_DMA_MAX_4K;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tg3_flag_set(tp, LRG_PROD_RING_CAP);
|
|
|
|
if (tg3_flag(tp, 57765_PLUS) &&
|
|
tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0)
|
|
tg3_flag_set(tp, USE_JUMBO_BDFLAG);
|
|
|
|
if (!tg3_flag(tp, 5705_PLUS) ||
|
|
tg3_flag(tp, 5780_CLASS) ||
|
|
tg3_flag(tp, USE_JUMBO_BDFLAG))
|
|
tg3_flag_set(tp, JUMBO_CAPABLE);
|
|
|
|
pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
|
|
&pci_state_reg);
|
|
|
|
if (pci_is_pcie(tp->pdev)) {
|
|
u16 lnkctl;
|
|
|
|
tg3_flag_set(tp, PCI_EXPRESS);
|
|
|
|
pcie_capability_read_word(tp->pdev, PCI_EXP_LNKCTL, &lnkctl);
|
|
if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tg3_flag_clear(tp, HW_TSO_2);
|
|
tg3_flag_clear(tp, TSO_CAPABLE);
|
|
}
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5761 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_57780_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_57780_A1)
|
|
tg3_flag_set(tp, CLKREQ_BUG);
|
|
} else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5717_A0) {
|
|
tg3_flag_set(tp, L1PLLPD_EN);
|
|
}
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5785) {
|
|
/* BCM5785 devices are effectively PCIe devices, and should
|
|
* follow PCIe codepaths, but do not have a PCIe capabilities
|
|
* section.
|
|
*/
|
|
tg3_flag_set(tp, PCI_EXPRESS);
|
|
} else if (!tg3_flag(tp, 5705_PLUS) ||
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
|
|
if (!tp->pcix_cap) {
|
|
dev_err(&tp->pdev->dev,
|
|
"Cannot find PCI-X capability, aborting\n");
|
|
return -EIO;
|
|
}
|
|
|
|
if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
|
|
tg3_flag_set(tp, PCIX_MODE);
|
|
}
|
|
|
|
/* If we have an AMD 762 or VIA K8T800 chipset, write
|
|
* reordering to the mailbox registers done by the host
|
|
* controller can cause major troubles. We read back from
|
|
* every mailbox register write to force the writes to be
|
|
* posted to the chip in order.
|
|
*/
|
|
if (pci_dev_present(tg3_write_reorder_chipsets) &&
|
|
!tg3_flag(tp, PCI_EXPRESS))
|
|
tg3_flag_set(tp, MBOX_WRITE_REORDER);
|
|
|
|
pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
|
|
&tp->pci_cacheline_sz);
|
|
pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
|
|
&tp->pci_lat_timer);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703 &&
|
|
tp->pci_lat_timer < 64) {
|
|
tp->pci_lat_timer = 64;
|
|
pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
|
|
tp->pci_lat_timer);
|
|
}
|
|
|
|
/* Important! -- It is critical that the PCI-X hw workaround
|
|
* situation is decided before the first MMIO register access.
|
|
*/
|
|
if (tg3_chip_rev(tp) == CHIPREV_5700_BX) {
|
|
/* 5700 BX chips need to have their TX producer index
|
|
* mailboxes written twice to workaround a bug.
|
|
*/
|
|
tg3_flag_set(tp, TXD_MBOX_HWBUG);
|
|
|
|
/* If we are in PCI-X mode, enable register write workaround.
|
|
*
|
|
* The workaround is to use indirect register accesses
|
|
* for all chip writes not to mailbox registers.
|
|
*/
|
|
if (tg3_flag(tp, PCIX_MODE)) {
|
|
u32 pm_reg;
|
|
|
|
tg3_flag_set(tp, PCIX_TARGET_HWBUG);
|
|
|
|
/* The chip can have it's power management PCI config
|
|
* space registers clobbered due to this bug.
|
|
* So explicitly force the chip into D0 here.
|
|
*/
|
|
pci_read_config_dword(tp->pdev,
|
|
tp->pdev->pm_cap + PCI_PM_CTRL,
|
|
&pm_reg);
|
|
pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
|
|
pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
|
|
pci_write_config_dword(tp->pdev,
|
|
tp->pdev->pm_cap + PCI_PM_CTRL,
|
|
pm_reg);
|
|
|
|
/* Also, force SERR#/PERR# in PCI command. */
|
|
pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
|
|
pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
|
|
}
|
|
}
|
|
|
|
if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
|
|
tg3_flag_set(tp, PCI_HIGH_SPEED);
|
|
if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
|
|
tg3_flag_set(tp, PCI_32BIT);
|
|
|
|
/* Chip-specific fixup from Broadcom driver */
|
|
if ((tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0) &&
|
|
(!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
|
|
pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
|
|
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
|
|
}
|
|
|
|
/* Default fast path register access methods */
|
|
tp->read32 = tg3_read32;
|
|
tp->write32 = tg3_write32;
|
|
tp->read32_mbox = tg3_read32;
|
|
tp->write32_mbox = tg3_write32;
|
|
tp->write32_tx_mbox = tg3_write32;
|
|
tp->write32_rx_mbox = tg3_write32;
|
|
|
|
/* Various workaround register access methods */
|
|
if (tg3_flag(tp, PCIX_TARGET_HWBUG))
|
|
tp->write32 = tg3_write_indirect_reg32;
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5701 ||
|
|
(tg3_flag(tp, PCI_EXPRESS) &&
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A0)) {
|
|
/*
|
|
* Back to back register writes can cause problems on these
|
|
* chips, the workaround is to read back all reg writes
|
|
* except those to mailbox regs.
|
|
*
|
|
* See tg3_write_indirect_reg32().
|
|
*/
|
|
tp->write32 = tg3_write_flush_reg32;
|
|
}
|
|
|
|
if (tg3_flag(tp, TXD_MBOX_HWBUG) || tg3_flag(tp, MBOX_WRITE_REORDER)) {
|
|
tp->write32_tx_mbox = tg3_write32_tx_mbox;
|
|
if (tg3_flag(tp, MBOX_WRITE_REORDER))
|
|
tp->write32_rx_mbox = tg3_write_flush_reg32;
|
|
}
|
|
|
|
if (tg3_flag(tp, ICH_WORKAROUND)) {
|
|
tp->read32 = tg3_read_indirect_reg32;
|
|
tp->write32 = tg3_write_indirect_reg32;
|
|
tp->read32_mbox = tg3_read_indirect_mbox;
|
|
tp->write32_mbox = tg3_write_indirect_mbox;
|
|
tp->write32_tx_mbox = tg3_write_indirect_mbox;
|
|
tp->write32_rx_mbox = tg3_write_indirect_mbox;
|
|
|
|
iounmap(tp->regs);
|
|
tp->regs = NULL;
|
|
|
|
pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
|
|
pci_cmd &= ~PCI_COMMAND_MEMORY;
|
|
pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
|
|
}
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tp->read32_mbox = tg3_read32_mbox_5906;
|
|
tp->write32_mbox = tg3_write32_mbox_5906;
|
|
tp->write32_tx_mbox = tg3_write32_mbox_5906;
|
|
tp->write32_rx_mbox = tg3_write32_mbox_5906;
|
|
}
|
|
|
|
if (tp->write32 == tg3_write_indirect_reg32 ||
|
|
(tg3_flag(tp, PCIX_MODE) &&
|
|
(tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701)))
|
|
tg3_flag_set(tp, SRAM_USE_CONFIG);
|
|
|
|
/* The memory arbiter has to be enabled in order for SRAM accesses
|
|
* to succeed. Normally on powerup the tg3 chip firmware will make
|
|
* sure it is enabled, but other entities such as system netboot
|
|
* code might disable it.
|
|
*/
|
|
val = tr32(MEMARB_MODE);
|
|
tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
|
|
|
|
tp->pci_fn = PCI_FUNC(tp->pdev->devfn) & 3;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
if (tg3_flag(tp, PCIX_MODE)) {
|
|
pci_read_config_dword(tp->pdev,
|
|
tp->pcix_cap + PCI_X_STATUS,
|
|
&val);
|
|
tp->pci_fn = val & 0x7;
|
|
}
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720) {
|
|
tg3_read_mem(tp, NIC_SRAM_CPMU_STATUS, &val);
|
|
if ((val & NIC_SRAM_CPMUSTAT_SIG_MSK) != NIC_SRAM_CPMUSTAT_SIG)
|
|
val = tr32(TG3_CPMU_STATUS);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717)
|
|
tp->pci_fn = (val & TG3_CPMU_STATUS_FMSK_5717) ? 1 : 0;
|
|
else
|
|
tp->pci_fn = (val & TG3_CPMU_STATUS_FMSK_5719) >>
|
|
TG3_CPMU_STATUS_FSHFT_5719;
|
|
}
|
|
|
|
if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
|
|
tp->write32_tx_mbox = tg3_write_flush_reg32;
|
|
tp->write32_rx_mbox = tg3_write_flush_reg32;
|
|
}
|
|
|
|
/* Get eeprom hw config before calling tg3_set_power_state().
|
|
* In particular, the TG3_FLAG_IS_NIC flag must be
|
|
* determined before calling tg3_set_power_state() so that
|
|
* we know whether or not to switch out of Vaux power.
|
|
* When the flag is set, it means that GPIO1 is used for eeprom
|
|
* write protect and also implies that it is a LOM where GPIOs
|
|
* are not used to switch power.
|
|
*/
|
|
tg3_get_eeprom_hw_cfg(tp);
|
|
|
|
if (tg3_flag(tp, FW_TSO) && tg3_flag(tp, ENABLE_ASF)) {
|
|
tg3_flag_clear(tp, TSO_CAPABLE);
|
|
tg3_flag_clear(tp, TSO_BUG);
|
|
tp->fw_needed = NULL;
|
|
}
|
|
|
|
if (tg3_flag(tp, ENABLE_APE)) {
|
|
/* Allow reads and writes to the
|
|
* APE register and memory space.
|
|
*/
|
|
pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
|
|
PCISTATE_ALLOW_APE_SHMEM_WR |
|
|
PCISTATE_ALLOW_APE_PSPACE_WR;
|
|
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
|
|
pci_state_reg);
|
|
|
|
tg3_ape_lock_init(tp);
|
|
tp->ape_hb_interval =
|
|
msecs_to_jiffies(APE_HOST_HEARTBEAT_INT_5SEC);
|
|
}
|
|
|
|
/* Set up tp->grc_local_ctrl before calling
|
|
* tg3_pwrsrc_switch_to_vmain(). GPIO1 driven high
|
|
* will bring 5700's external PHY out of reset.
|
|
* It is also used as eeprom write protect on LOMs.
|
|
*/
|
|
tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_flag(tp, EEPROM_WRITE_PROT))
|
|
tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT1);
|
|
/* Unused GPIO3 must be driven as output on 5752 because there
|
|
* are no pull-up resistors on unused GPIO pins.
|
|
*/
|
|
else if (tg3_asic_rev(tp) == ASIC_REV_5752)
|
|
tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780 ||
|
|
tg3_flag(tp, 57765_CLASS))
|
|
tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
|
|
|
|
if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
|
|
/* Turn off the debug UART. */
|
|
tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
|
|
if (tg3_flag(tp, IS_NIC))
|
|
/* Keep VMain power. */
|
|
tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
|
|
GRC_LCLCTRL_GPIO_OUTPUT0;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tp->grc_local_ctrl |=
|
|
tr32(GRC_LOCAL_CTRL) & GRC_LCLCTRL_GPIO_UART_SEL;
|
|
|
|
/* Switch out of Vaux if it is a NIC */
|
|
tg3_pwrsrc_switch_to_vmain(tp);
|
|
|
|
/* Derive initial jumbo mode from MTU assigned in
|
|
* ether_setup() via the alloc_etherdev() call
|
|
*/
|
|
if (tp->dev->mtu > ETH_DATA_LEN && !tg3_flag(tp, 5780_CLASS))
|
|
tg3_flag_set(tp, JUMBO_RING_ENABLE);
|
|
|
|
/* Determine WakeOnLan speed to use. */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B2) {
|
|
tg3_flag_clear(tp, WOL_SPEED_100MB);
|
|
} else {
|
|
tg3_flag_set(tp, WOL_SPEED_100MB);
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
tp->phy_flags |= TG3_PHYFLG_IS_FET;
|
|
|
|
/* A few boards don't want Ethernet@WireSpeed phy feature */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_5705 &&
|
|
(tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) &&
|
|
(tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A1)) ||
|
|
(tp->phy_flags & TG3_PHYFLG_IS_FET) ||
|
|
(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
|
|
tp->phy_flags |= TG3_PHYFLG_NO_ETH_WIRE_SPEED;
|
|
|
|
if (tg3_chip_rev(tp) == CHIPREV_5703_AX ||
|
|
tg3_chip_rev(tp) == CHIPREV_5704_AX)
|
|
tp->phy_flags |= TG3_PHYFLG_ADC_BUG;
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0)
|
|
tp->phy_flags |= TG3_PHYFLG_5704_A0_BUG;
|
|
|
|
if (tg3_flag(tp, 5705_PLUS) &&
|
|
!(tp->phy_flags & TG3_PHYFLG_IS_FET) &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5785 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_57780 &&
|
|
!tg3_flag(tp, 57765_PLUS)) {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5787 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5784 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5761) {
|
|
if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
|
|
tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
|
|
tp->phy_flags |= TG3_PHYFLG_JITTER_BUG;
|
|
if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
|
|
tp->phy_flags |= TG3_PHYFLG_ADJUST_TRIM;
|
|
} else
|
|
tp->phy_flags |= TG3_PHYFLG_BER_BUG;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5784 &&
|
|
tg3_chip_rev(tp) != CHIPREV_5784_AX) {
|
|
tp->phy_otp = tg3_read_otp_phycfg(tp);
|
|
if (tp->phy_otp == 0)
|
|
tp->phy_otp = TG3_OTP_DEFAULT;
|
|
}
|
|
|
|
if (tg3_flag(tp, CPMU_PRESENT))
|
|
tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
|
|
else
|
|
tp->mi_mode = MAC_MI_MODE_BASE;
|
|
|
|
tp->coalesce_mode = 0;
|
|
if (tg3_chip_rev(tp) != CHIPREV_5700_AX &&
|
|
tg3_chip_rev(tp) != CHIPREV_5700_BX)
|
|
tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
|
|
|
|
/* Set these bits to enable statistics workaround. */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0) {
|
|
tp->coalesce_mode |= HOSTCC_MODE_ATTN;
|
|
tp->grc_mode |= GRC_MODE_IRQ_ON_FLOW_ATTN;
|
|
}
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780)
|
|
tg3_flag_set(tp, USE_PHYLIB);
|
|
|
|
err = tg3_mdio_init(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Initialize data/descriptor byte/word swapping. */
|
|
val = tr32(GRC_MODE);
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
val &= (GRC_MODE_BYTE_SWAP_B2HRX_DATA |
|
|
GRC_MODE_WORD_SWAP_B2HRX_DATA |
|
|
GRC_MODE_B2HRX_ENABLE |
|
|
GRC_MODE_HTX2B_ENABLE |
|
|
GRC_MODE_HOST_STACKUP);
|
|
else
|
|
val &= GRC_MODE_HOST_STACKUP;
|
|
|
|
tw32(GRC_MODE, val | tp->grc_mode);
|
|
|
|
tg3_switch_clocks(tp);
|
|
|
|
/* Clear this out for sanity. */
|
|
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
|
|
/* Clear TG3PCI_REG_BASE_ADDR to prevent hangs. */
|
|
tw32(TG3PCI_REG_BASE_ADDR, 0);
|
|
|
|
pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
|
|
&pci_state_reg);
|
|
if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
|
|
!tg3_flag(tp, PCIX_TARGET_HWBUG)) {
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B2 ||
|
|
tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B5) {
|
|
void __iomem *sram_base;
|
|
|
|
/* Write some dummy words into the SRAM status block
|
|
* area, see if it reads back correctly. If the return
|
|
* value is bad, force enable the PCIX workaround.
|
|
*/
|
|
sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
|
|
|
|
writel(0x00000000, sram_base);
|
|
writel(0x00000000, sram_base + 4);
|
|
writel(0xffffffff, sram_base + 4);
|
|
if (readl(sram_base) != 0x00000000)
|
|
tg3_flag_set(tp, PCIX_TARGET_HWBUG);
|
|
}
|
|
}
|
|
|
|
udelay(50);
|
|
tg3_nvram_init(tp);
|
|
|
|
/* If the device has an NVRAM, no need to load patch firmware */
|
|
if (tg3_asic_rev(tp) == ASIC_REV_57766 &&
|
|
!tg3_flag(tp, NO_NVRAM))
|
|
tp->fw_needed = NULL;
|
|
|
|
grc_misc_cfg = tr32(GRC_MISC_CFG);
|
|
grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
|
|
(grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
|
|
grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
|
|
tg3_flag_set(tp, IS_5788);
|
|
|
|
if (!tg3_flag(tp, IS_5788) &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5700)
|
|
tg3_flag_set(tp, TAGGED_STATUS);
|
|
if (tg3_flag(tp, TAGGED_STATUS)) {
|
|
tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
|
|
HOSTCC_MODE_CLRTICK_TXBD);
|
|
|
|
tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
|
|
tp->misc_host_ctrl);
|
|
}
|
|
|
|
/* Preserve the APE MAC_MODE bits */
|
|
if (tg3_flag(tp, ENABLE_APE))
|
|
tp->mac_mode = MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
|
|
else
|
|
tp->mac_mode = 0;
|
|
|
|
if (tg3_10_100_only_device(tp, ent))
|
|
tp->phy_flags |= TG3_PHYFLG_10_100_ONLY;
|
|
|
|
err = tg3_phy_probe(tp);
|
|
if (err) {
|
|
dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err);
|
|
/* ... but do not return immediately ... */
|
|
tg3_mdio_fini(tp);
|
|
}
|
|
|
|
tg3_read_vpd(tp);
|
|
tg3_read_fw_ver(tp);
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
|
|
tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
|
|
} else {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700)
|
|
tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
|
|
else
|
|
tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
|
|
}
|
|
|
|
/* 5700 {AX,BX} chips have a broken status block link
|
|
* change bit implementation, so we must use the
|
|
* status register in those cases.
|
|
*/
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700)
|
|
tg3_flag_set(tp, USE_LINKCHG_REG);
|
|
else
|
|
tg3_flag_clear(tp, USE_LINKCHG_REG);
|
|
|
|
/* The led_ctrl is set during tg3_phy_probe, here we might
|
|
* have to force the link status polling mechanism based
|
|
* upon subsystem IDs.
|
|
*/
|
|
if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5701 &&
|
|
!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
|
|
tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
|
|
tg3_flag_set(tp, USE_LINKCHG_REG);
|
|
}
|
|
|
|
/* For all SERDES we poll the MAC status register. */
|
|
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
|
|
tg3_flag_set(tp, POLL_SERDES);
|
|
else
|
|
tg3_flag_clear(tp, POLL_SERDES);
|
|
|
|
if (tg3_flag(tp, ENABLE_APE) && tg3_flag(tp, ENABLE_ASF))
|
|
tg3_flag_set(tp, POLL_CPMU_LINK);
|
|
|
|
tp->rx_offset = NET_SKB_PAD + NET_IP_ALIGN;
|
|
tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5701 &&
|
|
tg3_flag(tp, PCIX_MODE)) {
|
|
tp->rx_offset = NET_SKB_PAD;
|
|
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
|
|
tp->rx_copy_thresh = ~(u16)0;
|
|
#endif
|
|
}
|
|
|
|
tp->rx_std_ring_mask = TG3_RX_STD_RING_SIZE(tp) - 1;
|
|
tp->rx_jmb_ring_mask = TG3_RX_JMB_RING_SIZE(tp) - 1;
|
|
tp->rx_ret_ring_mask = tg3_rx_ret_ring_size(tp) - 1;
|
|
|
|
tp->rx_std_max_post = tp->rx_std_ring_mask + 1;
|
|
|
|
/* Increment the rx prod index on the rx std ring by at most
|
|
* 8 for these chips to workaround hw errata.
|
|
*/
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5752 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5755)
|
|
tp->rx_std_max_post = 8;
|
|
|
|
if (tg3_flag(tp, ASPM_WORKAROUND))
|
|
tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
|
|
PCIE_PWR_MGMT_L1_THRESH_MSK;
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tg3_get_device_address(struct tg3 *tp, u8 *addr)
|
|
{
|
|
u32 hi, lo, mac_offset;
|
|
int addr_ok = 0;
|
|
int err;
|
|
|
|
if (!eth_platform_get_mac_address(&tp->pdev->dev, addr))
|
|
return 0;
|
|
|
|
if (tg3_flag(tp, IS_SSB_CORE)) {
|
|
err = ssb_gige_get_macaddr(tp->pdev, addr);
|
|
if (!err && is_valid_ether_addr(addr))
|
|
return 0;
|
|
}
|
|
|
|
mac_offset = 0x7c;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
|
|
tg3_flag(tp, 5780_CLASS)) {
|
|
if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
|
|
mac_offset = 0xcc;
|
|
if (tg3_nvram_lock(tp))
|
|
tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
|
|
else
|
|
tg3_nvram_unlock(tp);
|
|
} else if (tg3_flag(tp, 5717_PLUS)) {
|
|
if (tp->pci_fn & 1)
|
|
mac_offset = 0xcc;
|
|
if (tp->pci_fn > 1)
|
|
mac_offset += 0x18c;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5906)
|
|
mac_offset = 0x10;
|
|
|
|
/* First try to get it from MAC address mailbox. */
|
|
tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
|
|
if ((hi >> 16) == 0x484b) {
|
|
addr[0] = (hi >> 8) & 0xff;
|
|
addr[1] = (hi >> 0) & 0xff;
|
|
|
|
tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
|
|
addr[2] = (lo >> 24) & 0xff;
|
|
addr[3] = (lo >> 16) & 0xff;
|
|
addr[4] = (lo >> 8) & 0xff;
|
|
addr[5] = (lo >> 0) & 0xff;
|
|
|
|
/* Some old bootcode may report a 0 MAC address in SRAM */
|
|
addr_ok = is_valid_ether_addr(addr);
|
|
}
|
|
if (!addr_ok) {
|
|
/* Next, try NVRAM. */
|
|
if (!tg3_flag(tp, NO_NVRAM) &&
|
|
!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
|
|
!tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
|
|
memcpy(&addr[0], ((char *)&hi) + 2, 2);
|
|
memcpy(&addr[2], (char *)&lo, sizeof(lo));
|
|
}
|
|
/* Finally just fetch it out of the MAC control regs. */
|
|
else {
|
|
hi = tr32(MAC_ADDR_0_HIGH);
|
|
lo = tr32(MAC_ADDR_0_LOW);
|
|
|
|
addr[5] = lo & 0xff;
|
|
addr[4] = (lo >> 8) & 0xff;
|
|
addr[3] = (lo >> 16) & 0xff;
|
|
addr[2] = (lo >> 24) & 0xff;
|
|
addr[1] = hi & 0xff;
|
|
addr[0] = (hi >> 8) & 0xff;
|
|
}
|
|
}
|
|
|
|
if (!is_valid_ether_addr(addr))
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
#define BOUNDARY_SINGLE_CACHELINE 1
|
|
#define BOUNDARY_MULTI_CACHELINE 2
|
|
|
|
static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
|
|
{
|
|
int cacheline_size;
|
|
u8 byte;
|
|
int goal;
|
|
|
|
pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
|
|
if (byte == 0)
|
|
cacheline_size = 1024;
|
|
else
|
|
cacheline_size = (int) byte * 4;
|
|
|
|
/* On 5703 and later chips, the boundary bits have no
|
|
* effect.
|
|
*/
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5701 &&
|
|
!tg3_flag(tp, PCI_EXPRESS))
|
|
goto out;
|
|
|
|
#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
|
|
goal = BOUNDARY_MULTI_CACHELINE;
|
|
#else
|
|
#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
|
|
goal = BOUNDARY_SINGLE_CACHELINE;
|
|
#else
|
|
goal = 0;
|
|
#endif
|
|
#endif
|
|
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
|
|
goto out;
|
|
}
|
|
|
|
if (!goal)
|
|
goto out;
|
|
|
|
/* PCI controllers on most RISC systems tend to disconnect
|
|
* when a device tries to burst across a cache-line boundary.
|
|
* Therefore, letting tg3 do so just wastes PCI bandwidth.
|
|
*
|
|
* Unfortunately, for PCI-E there are only limited
|
|
* write-side controls for this, and thus for reads
|
|
* we will still get the disconnects. We'll also waste
|
|
* these PCI cycles for both read and write for chips
|
|
* other than 5700 and 5701 which do not implement the
|
|
* boundary bits.
|
|
*/
|
|
if (tg3_flag(tp, PCIX_MODE) && !tg3_flag(tp, PCI_EXPRESS)) {
|
|
switch (cacheline_size) {
|
|
case 16:
|
|
case 32:
|
|
case 64:
|
|
case 128:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
|
|
DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
|
|
} else {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
|
|
DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
|
|
}
|
|
break;
|
|
|
|
case 256:
|
|
val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
|
|
DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
|
|
break;
|
|
|
|
default:
|
|
val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
|
|
DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
|
|
break;
|
|
}
|
|
} else if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
switch (cacheline_size) {
|
|
case 16:
|
|
case 32:
|
|
case 64:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
|
|
val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case 128:
|
|
default:
|
|
val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
|
|
val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
|
|
break;
|
|
}
|
|
} else {
|
|
switch (cacheline_size) {
|
|
case 16:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_16 |
|
|
DMA_RWCTRL_WRITE_BNDRY_16);
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case 32:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_32 |
|
|
DMA_RWCTRL_WRITE_BNDRY_32);
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case 64:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_64 |
|
|
DMA_RWCTRL_WRITE_BNDRY_64);
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case 128:
|
|
if (goal == BOUNDARY_SINGLE_CACHELINE) {
|
|
val |= (DMA_RWCTRL_READ_BNDRY_128 |
|
|
DMA_RWCTRL_WRITE_BNDRY_128);
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case 256:
|
|
val |= (DMA_RWCTRL_READ_BNDRY_256 |
|
|
DMA_RWCTRL_WRITE_BNDRY_256);
|
|
break;
|
|
case 512:
|
|
val |= (DMA_RWCTRL_READ_BNDRY_512 |
|
|
DMA_RWCTRL_WRITE_BNDRY_512);
|
|
break;
|
|
case 1024:
|
|
default:
|
|
val |= (DMA_RWCTRL_READ_BNDRY_1024 |
|
|
DMA_RWCTRL_WRITE_BNDRY_1024);
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return val;
|
|
}
|
|
|
|
static int tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma,
|
|
int size, bool to_device)
|
|
{
|
|
struct tg3_internal_buffer_desc test_desc;
|
|
u32 sram_dma_descs;
|
|
int i, ret;
|
|
|
|
sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
|
|
|
|
tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
|
|
tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
|
|
tw32(RDMAC_STATUS, 0);
|
|
tw32(WDMAC_STATUS, 0);
|
|
|
|
tw32(BUFMGR_MODE, 0);
|
|
tw32(FTQ_RESET, 0);
|
|
|
|
test_desc.addr_hi = ((u64) buf_dma) >> 32;
|
|
test_desc.addr_lo = buf_dma & 0xffffffff;
|
|
test_desc.nic_mbuf = 0x00002100;
|
|
test_desc.len = size;
|
|
|
|
/*
|
|
* HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
|
|
* the *second* time the tg3 driver was getting loaded after an
|
|
* initial scan.
|
|
*
|
|
* Broadcom tells me:
|
|
* ...the DMA engine is connected to the GRC block and a DMA
|
|
* reset may affect the GRC block in some unpredictable way...
|
|
* The behavior of resets to individual blocks has not been tested.
|
|
*
|
|
* Broadcom noted the GRC reset will also reset all sub-components.
|
|
*/
|
|
if (to_device) {
|
|
test_desc.cqid_sqid = (13 << 8) | 2;
|
|
|
|
tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
|
|
udelay(40);
|
|
} else {
|
|
test_desc.cqid_sqid = (16 << 8) | 7;
|
|
|
|
tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
|
|
udelay(40);
|
|
}
|
|
test_desc.flags = 0x00000005;
|
|
|
|
for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
|
|
u32 val;
|
|
|
|
val = *(((u32 *)&test_desc) + i);
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
|
|
sram_dma_descs + (i * sizeof(u32)));
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
|
|
}
|
|
pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
|
|
|
|
if (to_device)
|
|
tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
|
|
else
|
|
tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
|
|
|
|
ret = -ENODEV;
|
|
for (i = 0; i < 40; i++) {
|
|
u32 val;
|
|
|
|
if (to_device)
|
|
val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
|
|
else
|
|
val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
|
|
if ((val & 0xffff) == sram_dma_descs) {
|
|
ret = 0;
|
|
break;
|
|
}
|
|
|
|
udelay(100);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define TEST_BUFFER_SIZE 0x2000
|
|
|
|
static const struct pci_device_id tg3_dma_wait_state_chipsets[] = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
|
|
{ },
|
|
};
|
|
|
|
static int tg3_test_dma(struct tg3 *tp)
|
|
{
|
|
dma_addr_t buf_dma;
|
|
u32 *buf, saved_dma_rwctrl;
|
|
int ret = 0;
|
|
|
|
buf = dma_alloc_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE,
|
|
&buf_dma, GFP_KERNEL);
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto out_nofree;
|
|
}
|
|
|
|
tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
|
|
(0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
|
|
|
|
tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
|
|
|
|
if (tg3_flag(tp, 57765_PLUS))
|
|
goto out;
|
|
|
|
if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
/* DMA read watermark not used on PCIE */
|
|
tp->dma_rwctrl |= 0x00180000;
|
|
} else if (!tg3_flag(tp, PCIX_MODE)) {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5705 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5750)
|
|
tp->dma_rwctrl |= 0x003f0000;
|
|
else
|
|
tp->dma_rwctrl |= 0x003f000f;
|
|
} else {
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5704) {
|
|
u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
|
|
u32 read_water = 0x7;
|
|
|
|
/* If the 5704 is behind the EPB bridge, we can
|
|
* do the less restrictive ONE_DMA workaround for
|
|
* better performance.
|
|
*/
|
|
if (tg3_flag(tp, 40BIT_DMA_BUG) &&
|
|
tg3_asic_rev(tp) == ASIC_REV_5704)
|
|
tp->dma_rwctrl |= 0x8000;
|
|
else if (ccval == 0x6 || ccval == 0x7)
|
|
tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703)
|
|
read_water = 4;
|
|
/* Set bit 23 to enable PCIX hw bug fix */
|
|
tp->dma_rwctrl |=
|
|
(read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
|
|
(0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
|
|
(1 << 23);
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5780) {
|
|
/* 5780 always in PCIX mode */
|
|
tp->dma_rwctrl |= 0x00144000;
|
|
} else if (tg3_asic_rev(tp) == ASIC_REV_5714) {
|
|
/* 5714 always in PCIX mode */
|
|
tp->dma_rwctrl |= 0x00148000;
|
|
} else {
|
|
tp->dma_rwctrl |= 0x001b000f;
|
|
}
|
|
}
|
|
if (tg3_flag(tp, ONE_DMA_AT_ONCE))
|
|
tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5704)
|
|
tp->dma_rwctrl &= 0xfffffff0;
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5701) {
|
|
/* Remove this if it causes problems for some boards. */
|
|
tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
|
|
|
|
/* On 5700/5701 chips, we need to set this bit.
|
|
* Otherwise the chip will issue cacheline transactions
|
|
* to streamable DMA memory with not all the byte
|
|
* enables turned on. This is an error on several
|
|
* RISC PCI controllers, in particular sparc64.
|
|
*
|
|
* On 5703/5704 chips, this bit has been reassigned
|
|
* a different meaning. In particular, it is used
|
|
* on those chips to enable a PCI-X workaround.
|
|
*/
|
|
tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
|
|
}
|
|
|
|
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
|
|
|
|
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
|
|
tg3_asic_rev(tp) != ASIC_REV_5701)
|
|
goto out;
|
|
|
|
/* It is best to perform DMA test with maximum write burst size
|
|
* to expose the 5700/5701 write DMA bug.
|
|
*/
|
|
saved_dma_rwctrl = tp->dma_rwctrl;
|
|
tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
|
|
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
|
|
|
|
while (1) {
|
|
u32 *p = buf, i;
|
|
|
|
for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
|
|
p[i] = i;
|
|
|
|
/* Send the buffer to the chip. */
|
|
ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, true);
|
|
if (ret) {
|
|
dev_err(&tp->pdev->dev,
|
|
"%s: Buffer write failed. err = %d\n",
|
|
__func__, ret);
|
|
break;
|
|
}
|
|
|
|
/* Now read it back. */
|
|
ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, false);
|
|
if (ret) {
|
|
dev_err(&tp->pdev->dev, "%s: Buffer read failed. "
|
|
"err = %d\n", __func__, ret);
|
|
break;
|
|
}
|
|
|
|
/* Verify it. */
|
|
for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
|
|
if (p[i] == i)
|
|
continue;
|
|
|
|
if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
|
|
DMA_RWCTRL_WRITE_BNDRY_16) {
|
|
tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
|
|
tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
|
|
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
|
|
break;
|
|
} else {
|
|
dev_err(&tp->pdev->dev,
|
|
"%s: Buffer corrupted on read back! "
|
|
"(%d != %d)\n", __func__, p[i], i);
|
|
ret = -ENODEV;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
|
|
/* Success. */
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
|
|
DMA_RWCTRL_WRITE_BNDRY_16) {
|
|
/* DMA test passed without adjusting DMA boundary,
|
|
* now look for chipsets that are known to expose the
|
|
* DMA bug without failing the test.
|
|
*/
|
|
if (pci_dev_present(tg3_dma_wait_state_chipsets)) {
|
|
tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
|
|
tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
|
|
} else {
|
|
/* Safe to use the calculated DMA boundary. */
|
|
tp->dma_rwctrl = saved_dma_rwctrl;
|
|
}
|
|
|
|
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
|
|
}
|
|
|
|
out:
|
|
dma_free_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE, buf, buf_dma);
|
|
out_nofree:
|
|
return ret;
|
|
}
|
|
|
|
static void tg3_init_bufmgr_config(struct tg3 *tp)
|
|
{
|
|
if (tg3_flag(tp, 57765_PLUS)) {
|
|
tp->bufmgr_config.mbuf_read_dma_low_water =
|
|
DEFAULT_MB_RDMA_LOW_WATER_5705;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water =
|
|
DEFAULT_MB_MACRX_LOW_WATER_57765;
|
|
tp->bufmgr_config.mbuf_high_water =
|
|
DEFAULT_MB_HIGH_WATER_57765;
|
|
|
|
tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
|
|
DEFAULT_MB_RDMA_LOW_WATER_5705;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
|
|
DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
|
|
tp->bufmgr_config.mbuf_high_water_jumbo =
|
|
DEFAULT_MB_HIGH_WATER_JUMBO_57765;
|
|
} else if (tg3_flag(tp, 5705_PLUS)) {
|
|
tp->bufmgr_config.mbuf_read_dma_low_water =
|
|
DEFAULT_MB_RDMA_LOW_WATER_5705;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water =
|
|
DEFAULT_MB_MACRX_LOW_WATER_5705;
|
|
tp->bufmgr_config.mbuf_high_water =
|
|
DEFAULT_MB_HIGH_WATER_5705;
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5906) {
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water =
|
|
DEFAULT_MB_MACRX_LOW_WATER_5906;
|
|
tp->bufmgr_config.mbuf_high_water =
|
|
DEFAULT_MB_HIGH_WATER_5906;
|
|
}
|
|
|
|
tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
|
|
DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
|
|
DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
|
|
tp->bufmgr_config.mbuf_high_water_jumbo =
|
|
DEFAULT_MB_HIGH_WATER_JUMBO_5780;
|
|
} else {
|
|
tp->bufmgr_config.mbuf_read_dma_low_water =
|
|
DEFAULT_MB_RDMA_LOW_WATER;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water =
|
|
DEFAULT_MB_MACRX_LOW_WATER;
|
|
tp->bufmgr_config.mbuf_high_water =
|
|
DEFAULT_MB_HIGH_WATER;
|
|
|
|
tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
|
|
DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
|
|
tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
|
|
DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
|
|
tp->bufmgr_config.mbuf_high_water_jumbo =
|
|
DEFAULT_MB_HIGH_WATER_JUMBO;
|
|
}
|
|
|
|
tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
|
|
tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
|
|
}
|
|
|
|
static char *tg3_phy_string(struct tg3 *tp)
|
|
{
|
|
switch (tp->phy_id & TG3_PHY_ID_MASK) {
|
|
case TG3_PHY_ID_BCM5400: return "5400";
|
|
case TG3_PHY_ID_BCM5401: return "5401";
|
|
case TG3_PHY_ID_BCM5411: return "5411";
|
|
case TG3_PHY_ID_BCM5701: return "5701";
|
|
case TG3_PHY_ID_BCM5703: return "5703";
|
|
case TG3_PHY_ID_BCM5704: return "5704";
|
|
case TG3_PHY_ID_BCM5705: return "5705";
|
|
case TG3_PHY_ID_BCM5750: return "5750";
|
|
case TG3_PHY_ID_BCM5752: return "5752";
|
|
case TG3_PHY_ID_BCM5714: return "5714";
|
|
case TG3_PHY_ID_BCM5780: return "5780";
|
|
case TG3_PHY_ID_BCM5755: return "5755";
|
|
case TG3_PHY_ID_BCM5787: return "5787";
|
|
case TG3_PHY_ID_BCM5784: return "5784";
|
|
case TG3_PHY_ID_BCM5756: return "5722/5756";
|
|
case TG3_PHY_ID_BCM5906: return "5906";
|
|
case TG3_PHY_ID_BCM5761: return "5761";
|
|
case TG3_PHY_ID_BCM5718C: return "5718C";
|
|
case TG3_PHY_ID_BCM5718S: return "5718S";
|
|
case TG3_PHY_ID_BCM57765: return "57765";
|
|
case TG3_PHY_ID_BCM5719C: return "5719C";
|
|
case TG3_PHY_ID_BCM5720C: return "5720C";
|
|
case TG3_PHY_ID_BCM5762: return "5762C";
|
|
case TG3_PHY_ID_BCM8002: return "8002/serdes";
|
|
case 0: return "serdes";
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
|
|
static char *tg3_bus_string(struct tg3 *tp, char *str)
|
|
{
|
|
if (tg3_flag(tp, PCI_EXPRESS)) {
|
|
strcpy(str, "PCI Express");
|
|
return str;
|
|
} else if (tg3_flag(tp, PCIX_MODE)) {
|
|
u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
|
|
|
|
strcpy(str, "PCIX:");
|
|
|
|
if ((clock_ctrl == 7) ||
|
|
((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
|
|
GRC_MISC_CFG_BOARD_ID_5704CIOBE))
|
|
strcat(str, "133MHz");
|
|
else if (clock_ctrl == 0)
|
|
strcat(str, "33MHz");
|
|
else if (clock_ctrl == 2)
|
|
strcat(str, "50MHz");
|
|
else if (clock_ctrl == 4)
|
|
strcat(str, "66MHz");
|
|
else if (clock_ctrl == 6)
|
|
strcat(str, "100MHz");
|
|
} else {
|
|
strcpy(str, "PCI:");
|
|
if (tg3_flag(tp, PCI_HIGH_SPEED))
|
|
strcat(str, "66MHz");
|
|
else
|
|
strcat(str, "33MHz");
|
|
}
|
|
if (tg3_flag(tp, PCI_32BIT))
|
|
strcat(str, ":32-bit");
|
|
else
|
|
strcat(str, ":64-bit");
|
|
return str;
|
|
}
|
|
|
|
static void tg3_init_coal(struct tg3 *tp)
|
|
{
|
|
struct ethtool_coalesce *ec = &tp->coal;
|
|
|
|
memset(ec, 0, sizeof(*ec));
|
|
ec->cmd = ETHTOOL_GCOALESCE;
|
|
ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
|
|
ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
|
|
ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
|
|
ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
|
|
ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
|
|
ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
|
|
ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
|
|
ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
|
|
ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
|
|
|
|
if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
|
|
HOSTCC_MODE_CLRTICK_TXBD)) {
|
|
ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
|
|
ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
|
|
ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
|
|
ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
|
|
}
|
|
|
|
if (tg3_flag(tp, 5705_PLUS)) {
|
|
ec->rx_coalesce_usecs_irq = 0;
|
|
ec->tx_coalesce_usecs_irq = 0;
|
|
ec->stats_block_coalesce_usecs = 0;
|
|
}
|
|
}
|
|
|
|
static int tg3_init_one(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
struct net_device *dev;
|
|
struct tg3 *tp;
|
|
int i, err;
|
|
u32 sndmbx, rcvmbx, intmbx;
|
|
char str[40];
|
|
u64 dma_mask, persist_dma_mask;
|
|
netdev_features_t features = 0;
|
|
u8 addr[ETH_ALEN] __aligned(2);
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
|
|
return err;
|
|
}
|
|
|
|
err = pci_request_regions(pdev, DRV_MODULE_NAME);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
|
|
goto err_out_disable_pdev;
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
|
|
dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
|
|
if (!dev) {
|
|
err = -ENOMEM;
|
|
goto err_out_free_res;
|
|
}
|
|
|
|
SET_NETDEV_DEV(dev, &pdev->dev);
|
|
|
|
tp = netdev_priv(dev);
|
|
tp->pdev = pdev;
|
|
tp->dev = dev;
|
|
tp->rx_mode = TG3_DEF_RX_MODE;
|
|
tp->tx_mode = TG3_DEF_TX_MODE;
|
|
tp->irq_sync = 1;
|
|
tp->pcierr_recovery = false;
|
|
|
|
if (tg3_debug > 0)
|
|
tp->msg_enable = tg3_debug;
|
|
else
|
|
tp->msg_enable = TG3_DEF_MSG_ENABLE;
|
|
|
|
if (pdev_is_ssb_gige_core(pdev)) {
|
|
tg3_flag_set(tp, IS_SSB_CORE);
|
|
if (ssb_gige_must_flush_posted_writes(pdev))
|
|
tg3_flag_set(tp, FLUSH_POSTED_WRITES);
|
|
if (ssb_gige_one_dma_at_once(pdev))
|
|
tg3_flag_set(tp, ONE_DMA_AT_ONCE);
|
|
if (ssb_gige_have_roboswitch(pdev)) {
|
|
tg3_flag_set(tp, USE_PHYLIB);
|
|
tg3_flag_set(tp, ROBOSWITCH);
|
|
}
|
|
if (ssb_gige_is_rgmii(pdev))
|
|
tg3_flag_set(tp, RGMII_MODE);
|
|
}
|
|
|
|
/* The word/byte swap controls here control register access byte
|
|
* swapping. DMA data byte swapping is controlled in the GRC_MODE
|
|
* setting below.
|
|
*/
|
|
tp->misc_host_ctrl =
|
|
MISC_HOST_CTRL_MASK_PCI_INT |
|
|
MISC_HOST_CTRL_WORD_SWAP |
|
|
MISC_HOST_CTRL_INDIR_ACCESS |
|
|
MISC_HOST_CTRL_PCISTATE_RW;
|
|
|
|
/* The NONFRM (non-frame) byte/word swap controls take effect
|
|
* on descriptor entries, anything which isn't packet data.
|
|
*
|
|
* The StrongARM chips on the board (one for tx, one for rx)
|
|
* are running in big-endian mode.
|
|
*/
|
|
tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
|
|
GRC_MODE_WSWAP_NONFRM_DATA);
|
|
#ifdef __BIG_ENDIAN
|
|
tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
|
|
#endif
|
|
spin_lock_init(&tp->lock);
|
|
spin_lock_init(&tp->indirect_lock);
|
|
INIT_WORK(&tp->reset_task, tg3_reset_task);
|
|
|
|
tp->regs = pci_ioremap_bar(pdev, BAR_0);
|
|
if (!tp->regs) {
|
|
dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
|
|
err = -ENOMEM;
|
|
goto err_out_free_dev;
|
|
}
|
|
|
|
if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
|
|
tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761E ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761SE ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57767 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57764 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5762 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_5727 ||
|
|
tp->pdev->device == TG3PCI_DEVICE_TIGON3_57787) {
|
|
tg3_flag_set(tp, ENABLE_APE);
|
|
tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
|
|
if (!tp->aperegs) {
|
|
dev_err(&pdev->dev,
|
|
"Cannot map APE registers, aborting\n");
|
|
err = -ENOMEM;
|
|
goto err_out_iounmap;
|
|
}
|
|
}
|
|
|
|
tp->rx_pending = TG3_DEF_RX_RING_PENDING;
|
|
tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
|
|
|
|
dev->ethtool_ops = &tg3_ethtool_ops;
|
|
dev->watchdog_timeo = TG3_TX_TIMEOUT;
|
|
dev->netdev_ops = &tg3_netdev_ops;
|
|
dev->irq = pdev->irq;
|
|
|
|
err = tg3_get_invariants(tp, ent);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"Problem fetching invariants of chip, aborting\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
|
|
/* The EPB bridge inside 5714, 5715, and 5780 and any
|
|
* device behind the EPB cannot support DMA addresses > 40-bit.
|
|
* On 64-bit systems with IOMMU, use 40-bit dma_mask.
|
|
* On 64-bit systems without IOMMU, use 64-bit dma_mask and
|
|
* do DMA address check in tg3_start_xmit().
|
|
*/
|
|
if (tg3_flag(tp, IS_5788))
|
|
persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
|
|
else if (tg3_flag(tp, 40BIT_DMA_BUG)) {
|
|
persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
|
|
#ifdef CONFIG_HIGHMEM
|
|
dma_mask = DMA_BIT_MASK(64);
|
|
#endif
|
|
} else
|
|
persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
|
|
|
|
/* Configure DMA attributes. */
|
|
if (dma_mask > DMA_BIT_MASK(32)) {
|
|
err = dma_set_mask(&pdev->dev, dma_mask);
|
|
if (!err) {
|
|
features |= NETIF_F_HIGHDMA;
|
|
err = dma_set_coherent_mask(&pdev->dev,
|
|
persist_dma_mask);
|
|
if (err < 0) {
|
|
dev_err(&pdev->dev, "Unable to obtain 64 bit "
|
|
"DMA for consistent allocations\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
}
|
|
}
|
|
if (err || dma_mask == DMA_BIT_MASK(32)) {
|
|
err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"No usable DMA configuration, aborting\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
}
|
|
|
|
tg3_init_bufmgr_config(tp);
|
|
|
|
/* 5700 B0 chips do not support checksumming correctly due
|
|
* to hardware bugs.
|
|
*/
|
|
if (tg3_chip_rev_id(tp) != CHIPREV_ID_5700_B0) {
|
|
features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
|
|
|
|
if (tg3_flag(tp, 5755_PLUS))
|
|
features |= NETIF_F_IPV6_CSUM;
|
|
}
|
|
|
|
/* TSO is on by default on chips that support hardware TSO.
|
|
* Firmware TSO on older chips gives lower performance, so it
|
|
* is off by default, but can be enabled using ethtool.
|
|
*/
|
|
if ((tg3_flag(tp, HW_TSO_1) ||
|
|
tg3_flag(tp, HW_TSO_2) ||
|
|
tg3_flag(tp, HW_TSO_3)) &&
|
|
(features & NETIF_F_IP_CSUM))
|
|
features |= NETIF_F_TSO;
|
|
if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) {
|
|
if (features & NETIF_F_IPV6_CSUM)
|
|
features |= NETIF_F_TSO6;
|
|
if (tg3_flag(tp, HW_TSO_3) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5761 ||
|
|
(tg3_asic_rev(tp) == ASIC_REV_5784 &&
|
|
tg3_chip_rev(tp) != CHIPREV_5784_AX) ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5785 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_57780)
|
|
features |= NETIF_F_TSO_ECN;
|
|
}
|
|
|
|
dev->features |= features | NETIF_F_HW_VLAN_CTAG_TX |
|
|
NETIF_F_HW_VLAN_CTAG_RX;
|
|
dev->vlan_features |= features;
|
|
|
|
/*
|
|
* Add loopback capability only for a subset of devices that support
|
|
* MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
|
|
* loopback for the remaining devices.
|
|
*/
|
|
if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
|
|
!tg3_flag(tp, CPMU_PRESENT))
|
|
/* Add the loopback capability */
|
|
features |= NETIF_F_LOOPBACK;
|
|
|
|
dev->hw_features |= features;
|
|
dev->priv_flags |= IFF_UNICAST_FLT;
|
|
|
|
/* MTU range: 60 - 9000 or 1500, depending on hardware */
|
|
dev->min_mtu = TG3_MIN_MTU;
|
|
dev->max_mtu = TG3_MAX_MTU(tp);
|
|
|
|
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&
|
|
!tg3_flag(tp, TSO_CAPABLE) &&
|
|
!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
|
|
tg3_flag_set(tp, MAX_RXPEND_64);
|
|
tp->rx_pending = 63;
|
|
}
|
|
|
|
err = tg3_get_device_address(tp, addr);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"Could not obtain valid ethernet address, aborting\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
eth_hw_addr_set(dev, addr);
|
|
|
|
intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
|
|
rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
|
|
sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
|
|
for (i = 0; i < tp->irq_max; i++) {
|
|
struct tg3_napi *tnapi = &tp->napi[i];
|
|
|
|
tnapi->tp = tp;
|
|
tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
|
|
|
|
tnapi->int_mbox = intmbx;
|
|
if (i <= 4)
|
|
intmbx += 0x8;
|
|
else
|
|
intmbx += 0x4;
|
|
|
|
tnapi->consmbox = rcvmbx;
|
|
tnapi->prodmbox = sndmbx;
|
|
|
|
if (i)
|
|
tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
|
|
else
|
|
tnapi->coal_now = HOSTCC_MODE_NOW;
|
|
|
|
if (!tg3_flag(tp, SUPPORT_MSIX))
|
|
break;
|
|
|
|
/*
|
|
* If we support MSIX, we'll be using RSS. If we're using
|
|
* RSS, the first vector only handles link interrupts and the
|
|
* remaining vectors handle rx and tx interrupts. Reuse the
|
|
* mailbox values for the next iteration. The values we setup
|
|
* above are still useful for the single vectored mode.
|
|
*/
|
|
if (!i)
|
|
continue;
|
|
|
|
rcvmbx += 0x8;
|
|
|
|
if (sndmbx & 0x4)
|
|
sndmbx -= 0x4;
|
|
else
|
|
sndmbx += 0xc;
|
|
}
|
|
|
|
/*
|
|
* Reset chip in case UNDI or EFI driver did not shutdown
|
|
* DMA self test will enable WDMAC and we'll see (spurious)
|
|
* pending DMA on the PCI bus at that point.
|
|
*/
|
|
if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
|
|
(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
|
|
tg3_full_lock(tp, 0);
|
|
tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_full_unlock(tp);
|
|
}
|
|
|
|
err = tg3_test_dma(tp);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
|
|
tg3_init_coal(tp);
|
|
|
|
pci_set_drvdata(pdev, dev);
|
|
|
|
if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5720 ||
|
|
tg3_asic_rev(tp) == ASIC_REV_5762)
|
|
tg3_flag_set(tp, PTP_CAPABLE);
|
|
|
|
tg3_timer_init(tp);
|
|
|
|
tg3_carrier_off(tp);
|
|
|
|
err = register_netdev(dev);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Cannot register net device, aborting\n");
|
|
goto err_out_apeunmap;
|
|
}
|
|
|
|
if (tg3_flag(tp, PTP_CAPABLE)) {
|
|
tg3_ptp_init(tp);
|
|
tp->ptp_clock = ptp_clock_register(&tp->ptp_info,
|
|
&tp->pdev->dev);
|
|
if (IS_ERR(tp->ptp_clock))
|
|
tp->ptp_clock = NULL;
|
|
}
|
|
|
|
netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
|
|
tp->board_part_number,
|
|
tg3_chip_rev_id(tp),
|
|
tg3_bus_string(tp, str),
|
|
dev->dev_addr);
|
|
|
|
if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) {
|
|
char *ethtype;
|
|
|
|
if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
|
|
ethtype = "10/100Base-TX";
|
|
else if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
|
|
ethtype = "1000Base-SX";
|
|
else
|
|
ethtype = "10/100/1000Base-T";
|
|
|
|
netdev_info(dev, "attached PHY is %s (%s Ethernet) "
|
|
"(WireSpeed[%d], EEE[%d])\n",
|
|
tg3_phy_string(tp), ethtype,
|
|
(tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) == 0,
|
|
(tp->phy_flags & TG3_PHYFLG_EEE_CAP) != 0);
|
|
}
|
|
|
|
netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
|
|
(dev->features & NETIF_F_RXCSUM) != 0,
|
|
tg3_flag(tp, USE_LINKCHG_REG) != 0,
|
|
(tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0,
|
|
tg3_flag(tp, ENABLE_ASF) != 0,
|
|
tg3_flag(tp, TSO_CAPABLE) != 0);
|
|
netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
|
|
tp->dma_rwctrl,
|
|
pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
|
|
((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
|
|
|
|
pci_save_state(pdev);
|
|
|
|
return 0;
|
|
|
|
err_out_apeunmap:
|
|
if (tp->aperegs) {
|
|
iounmap(tp->aperegs);
|
|
tp->aperegs = NULL;
|
|
}
|
|
|
|
err_out_iounmap:
|
|
if (tp->regs) {
|
|
iounmap(tp->regs);
|
|
tp->regs = NULL;
|
|
}
|
|
|
|
err_out_free_dev:
|
|
free_netdev(dev);
|
|
|
|
err_out_free_res:
|
|
pci_release_regions(pdev);
|
|
|
|
err_out_disable_pdev:
|
|
if (pci_is_enabled(pdev))
|
|
pci_disable_device(pdev);
|
|
return err;
|
|
}
|
|
|
|
static void tg3_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
|
|
|
if (dev) {
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
tg3_ptp_fini(tp);
|
|
|
|
release_firmware(tp->fw);
|
|
|
|
tg3_reset_task_cancel(tp);
|
|
|
|
if (tg3_flag(tp, USE_PHYLIB)) {
|
|
tg3_phy_fini(tp);
|
|
tg3_mdio_fini(tp);
|
|
}
|
|
|
|
unregister_netdev(dev);
|
|
if (tp->aperegs) {
|
|
iounmap(tp->aperegs);
|
|
tp->aperegs = NULL;
|
|
}
|
|
if (tp->regs) {
|
|
iounmap(tp->regs);
|
|
tp->regs = NULL;
|
|
}
|
|
free_netdev(dev);
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int tg3_suspend(struct device *device)
|
|
{
|
|
struct net_device *dev = dev_get_drvdata(device);
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err = 0;
|
|
|
|
rtnl_lock();
|
|
|
|
if (!netif_running(dev))
|
|
goto unlock;
|
|
|
|
tg3_reset_task_cancel(tp);
|
|
tg3_phy_stop(tp);
|
|
tg3_netif_stop(tp);
|
|
|
|
tg3_timer_stop(tp);
|
|
|
|
tg3_full_lock(tp, 1);
|
|
tg3_disable_ints(tp);
|
|
tg3_full_unlock(tp);
|
|
|
|
netif_device_detach(dev);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
|
|
tg3_flag_clear(tp, INIT_COMPLETE);
|
|
tg3_full_unlock(tp);
|
|
|
|
err = tg3_power_down_prepare(tp);
|
|
if (err) {
|
|
int err2;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_flag_set(tp, INIT_COMPLETE);
|
|
err2 = tg3_restart_hw(tp, true);
|
|
if (err2)
|
|
goto out;
|
|
|
|
tg3_timer_start(tp);
|
|
|
|
netif_device_attach(dev);
|
|
tg3_netif_start(tp);
|
|
|
|
out:
|
|
tg3_full_unlock(tp);
|
|
|
|
if (!err2)
|
|
tg3_phy_start(tp);
|
|
}
|
|
|
|
unlock:
|
|
rtnl_unlock();
|
|
return err;
|
|
}
|
|
|
|
static int tg3_resume(struct device *device)
|
|
{
|
|
struct net_device *dev = dev_get_drvdata(device);
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
int err = 0;
|
|
|
|
rtnl_lock();
|
|
|
|
if (!netif_running(dev))
|
|
goto unlock;
|
|
|
|
netif_device_attach(dev);
|
|
|
|
tg3_full_lock(tp, 0);
|
|
|
|
tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
|
|
|
|
tg3_flag_set(tp, INIT_COMPLETE);
|
|
err = tg3_restart_hw(tp,
|
|
!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN));
|
|
if (err)
|
|
goto out;
|
|
|
|
tg3_timer_start(tp);
|
|
|
|
tg3_netif_start(tp);
|
|
|
|
out:
|
|
tg3_full_unlock(tp);
|
|
|
|
if (!err)
|
|
tg3_phy_start(tp);
|
|
|
|
unlock:
|
|
rtnl_unlock();
|
|
return err;
|
|
}
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume);
|
|
|
|
static void tg3_shutdown(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
|
struct tg3 *tp = netdev_priv(dev);
|
|
|
|
rtnl_lock();
|
|
netif_device_detach(dev);
|
|
|
|
if (netif_running(dev))
|
|
dev_close(dev);
|
|
|
|
if (system_state == SYSTEM_POWER_OFF)
|
|
tg3_power_down(tp);
|
|
|
|
rtnl_unlock();
|
|
}
|
|
|
|
/**
|
|
* tg3_io_error_detected - called when PCI error is detected
|
|
* @pdev: Pointer to PCI device
|
|
* @state: The current pci connection state
|
|
*
|
|
* This function is called after a PCI bus error affecting
|
|
* this device has been detected.
|
|
*/
|
|
static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev,
|
|
pci_channel_state_t state)
|
|
{
|
|
struct net_device *netdev = pci_get_drvdata(pdev);
|
|
struct tg3 *tp = netdev_priv(netdev);
|
|
pci_ers_result_t err = PCI_ERS_RESULT_NEED_RESET;
|
|
|
|
netdev_info(netdev, "PCI I/O error detected\n");
|
|
|
|
rtnl_lock();
|
|
|
|
/* Could be second call or maybe we don't have netdev yet */
|
|
if (!netdev || tp->pcierr_recovery || !netif_running(netdev))
|
|
goto done;
|
|
|
|
/* We needn't recover from permanent error */
|
|
if (state == pci_channel_io_frozen)
|
|
tp->pcierr_recovery = true;
|
|
|
|
tg3_phy_stop(tp);
|
|
|
|
tg3_netif_stop(tp);
|
|
|
|
tg3_timer_stop(tp);
|
|
|
|
/* Want to make sure that the reset task doesn't run */
|
|
tg3_reset_task_cancel(tp);
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
/* Clean up software state, even if MMIO is blocked */
|
|
tg3_full_lock(tp, 0);
|
|
tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
|
|
tg3_full_unlock(tp);
|
|
|
|
done:
|
|
if (state == pci_channel_io_perm_failure) {
|
|
if (netdev) {
|
|
tg3_napi_enable(tp);
|
|
dev_close(netdev);
|
|
}
|
|
err = PCI_ERS_RESULT_DISCONNECT;
|
|
} else {
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
rtnl_unlock();
|
|
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* tg3_io_slot_reset - called after the pci bus has been reset.
|
|
* @pdev: Pointer to PCI device
|
|
*
|
|
* Restart the card from scratch, as if from a cold-boot.
|
|
* At this point, the card has exprienced a hard reset,
|
|
* followed by fixups by BIOS, and has its config space
|
|
* set up identically to what it was at cold boot.
|
|
*/
|
|
static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *netdev = pci_get_drvdata(pdev);
|
|
struct tg3 *tp = netdev_priv(netdev);
|
|
pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
|
|
int err;
|
|
|
|
rtnl_lock();
|
|
|
|
if (pci_enable_device(pdev)) {
|
|
dev_err(&pdev->dev,
|
|
"Cannot re-enable PCI device after reset.\n");
|
|
goto done;
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
pci_restore_state(pdev);
|
|
pci_save_state(pdev);
|
|
|
|
if (!netdev || !netif_running(netdev)) {
|
|
rc = PCI_ERS_RESULT_RECOVERED;
|
|
goto done;
|
|
}
|
|
|
|
err = tg3_power_up(tp);
|
|
if (err)
|
|
goto done;
|
|
|
|
rc = PCI_ERS_RESULT_RECOVERED;
|
|
|
|
done:
|
|
if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) {
|
|
tg3_napi_enable(tp);
|
|
dev_close(netdev);
|
|
}
|
|
rtnl_unlock();
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* tg3_io_resume - called when traffic can start flowing again.
|
|
* @pdev: Pointer to PCI device
|
|
*
|
|
* This callback is called when the error recovery driver tells
|
|
* us that its OK to resume normal operation.
|
|
*/
|
|
static void tg3_io_resume(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *netdev = pci_get_drvdata(pdev);
|
|
struct tg3 *tp = netdev_priv(netdev);
|
|
int err;
|
|
|
|
rtnl_lock();
|
|
|
|
if (!netdev || !netif_running(netdev))
|
|
goto done;
|
|
|
|
tg3_full_lock(tp, 0);
|
|
tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
|
|
tg3_flag_set(tp, INIT_COMPLETE);
|
|
err = tg3_restart_hw(tp, true);
|
|
if (err) {
|
|
tg3_full_unlock(tp);
|
|
netdev_err(netdev, "Cannot restart hardware after reset.\n");
|
|
goto done;
|
|
}
|
|
|
|
netif_device_attach(netdev);
|
|
|
|
tg3_timer_start(tp);
|
|
|
|
tg3_netif_start(tp);
|
|
|
|
tg3_full_unlock(tp);
|
|
|
|
tg3_phy_start(tp);
|
|
|
|
done:
|
|
tp->pcierr_recovery = false;
|
|
rtnl_unlock();
|
|
}
|
|
|
|
static const struct pci_error_handlers tg3_err_handler = {
|
|
.error_detected = tg3_io_error_detected,
|
|
.slot_reset = tg3_io_slot_reset,
|
|
.resume = tg3_io_resume
|
|
};
|
|
|
|
static struct pci_driver tg3_driver = {
|
|
.name = DRV_MODULE_NAME,
|
|
.id_table = tg3_pci_tbl,
|
|
.probe = tg3_init_one,
|
|
.remove = tg3_remove_one,
|
|
.err_handler = &tg3_err_handler,
|
|
.driver.pm = &tg3_pm_ops,
|
|
.shutdown = tg3_shutdown,
|
|
};
|
|
|
|
module_pci_driver(tg3_driver);
|