atl1e: Atheros L1E Gigabit Ethernet driver

Full patch for the Atheros L1E Gigabit Ethernet driver.
Supportring AR8121, AR8113 and AR8114

Signed-off-by: Jie Yang <jie.yang @atheros.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jie Yang 2008-07-18 11:37:13 +08:00 committed by Jeff Garzik
parent bb5d10ac8c
commit a6a5325239
9 changed files with 5241 additions and 0 deletions

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@ -2304,6 +2304,17 @@ config ATL1
To compile this driver as a module, choose M here. The module
will be called atl1.
config ATL1E
tristate "Atheros L1E Gigabit Ethernet support (EXPERIMENTAL)"
depends on PCI && EXPERIMENTAL
select CRC32
select MII
help
This driver supports the Atheros L1E gigabit ethernet adapter.
To compile this driver as a module, choose M here. The module
will be called atl1e.
endif # NETDEV_1000
#

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@ -15,6 +15,7 @@ obj-$(CONFIG_EHEA) += ehea/
obj-$(CONFIG_CAN) += can/
obj-$(CONFIG_BONDING) += bonding/
obj-$(CONFIG_ATL1) += atlx/
obj-$(CONFIG_ATL1E) += atl1e/
obj-$(CONFIG_GIANFAR) += gianfar_driver.o
obj-$(CONFIG_TEHUTI) += tehuti.o

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@ -0,0 +1,2 @@
obj-$(CONFIG_ATL1E) += atl1e.o
atl1e-objs += atl1e_main.o atl1e_hw.o atl1e_ethtool.o atl1e_param.o

503
drivers/net/atl1e/atl1e.h Normal file
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@ -0,0 +1,503 @@
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
* Copyright(c) 2007 xiong huang <xiong.huang@atheros.com>
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATL1E_H_
#define _ATL1E_H_
#include <linux/version.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/udp.h>
#include <linux/mii.h>
#include <linux/io.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <linux/tcp.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/workqueue.h>
#include <net/checksum.h>
#include <net/ip6_checksum.h>
#include "atl1e_hw.h"
#define PCI_REG_COMMAND 0x04 /* PCI Command Register */
#define CMD_IO_SPACE 0x0001
#define CMD_MEMORY_SPACE 0x0002
#define CMD_BUS_MASTER 0x0004
#define BAR_0 0
#define BAR_1 1
#define BAR_5 5
/* Wake Up Filter Control */
#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */
#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
#define SPEED_0 0xffff
#define HALF_DUPLEX 1
#define FULL_DUPLEX 2
/* Error Codes */
#define AT_ERR_EEPROM 1
#define AT_ERR_PHY 2
#define AT_ERR_CONFIG 3
#define AT_ERR_PARAM 4
#define AT_ERR_MAC_TYPE 5
#define AT_ERR_PHY_TYPE 6
#define AT_ERR_PHY_SPEED 7
#define AT_ERR_PHY_RES 8
#define AT_ERR_TIMEOUT 9
#define MAX_JUMBO_FRAME_SIZE 0x2000
#define AT_VLAN_TAG_TO_TPD_TAG(_vlan, _tpd) \
_tpd = (((_vlan) << (4)) | (((_vlan) >> 13) & 7) |\
(((_vlan) >> 9) & 8))
#define AT_TPD_TAG_TO_VLAN_TAG(_tpd, _vlan) \
_vlan = (((_tpd) >> 8) | (((_tpd) & 0x77) << 9) |\
(((_tdp) & 0x88) << 5))
#define AT_MAX_RECEIVE_QUEUE 4
#define AT_PAGE_NUM_PER_QUEUE 2
#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL
#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL
#define AT_TX_WATCHDOG (5 * HZ)
#define AT_MAX_INT_WORK 10
#define AT_TWSI_EEPROM_TIMEOUT 100
#define AT_HW_MAX_IDLE_DELAY 10
#define AT_SUSPEND_LINK_TIMEOUT 28
#define AT_REGS_LEN 75
#define AT_EEPROM_LEN 512
#define AT_ADV_MASK (ADVERTISE_10_HALF |\
ADVERTISE_10_FULL |\
ADVERTISE_100_HALF |\
ADVERTISE_100_FULL |\
ADVERTISE_1000_FULL)
/* tpd word 2 */
#define TPD_BUFLEN_MASK 0x3FFF
#define TPD_BUFLEN_SHIFT 0
#define TPD_DMAINT_MASK 0x0001
#define TPD_DMAINT_SHIFT 14
#define TPD_PKTNT_MASK 0x0001
#define TPD_PKTINT_SHIFT 15
#define TPD_VLANTAG_MASK 0xFFFF
#define TPD_VLAN_SHIFT 16
/* tpd word 3 bits 0:4 */
#define TPD_EOP_MASK 0x0001
#define TPD_EOP_SHIFT 0
#define TPD_IP_VERSION_MASK 0x0001
#define TPD_IP_VERSION_SHIFT 1 /* 0 : IPV4, 1 : IPV6 */
#define TPD_INS_VL_TAG_MASK 0x0001
#define TPD_INS_VL_TAG_SHIFT 2
#define TPD_CC_SEGMENT_EN_MASK 0x0001
#define TPD_CC_SEGMENT_EN_SHIFT 3
#define TPD_SEGMENT_EN_MASK 0x0001
#define TPD_SEGMENT_EN_SHIFT 4
/* tdp word 3 bits 5:7 if ip version is 0 */
#define TPD_IP_CSUM_MASK 0x0001
#define TPD_IP_CSUM_SHIFT 5
#define TPD_TCP_CSUM_MASK 0x0001
#define TPD_TCP_CSUM_SHIFT 6
#define TPD_UDP_CSUM_MASK 0x0001
#define TPD_UDP_CSUM_SHIFT 7
/* tdp word 3 bits 5:7 if ip version is 1 */
#define TPD_V6_IPHLLO_MASK 0x0007
#define TPD_V6_IPHLLO_SHIFT 7
/* tpd word 3 bits 8:9 bit */
#define TPD_VL_TAGGED_MASK 0x0001
#define TPD_VL_TAGGED_SHIFT 8
#define TPD_ETHTYPE_MASK 0x0001
#define TPD_ETHTYPE_SHIFT 9
/* tdp word 3 bits 10:13 if ip version is 0 */
#define TDP_V4_IPHL_MASK 0x000F
#define TPD_V4_IPHL_SHIFT 10
/* tdp word 3 bits 10:13 if ip version is 1 */
#define TPD_V6_IPHLHI_MASK 0x000F
#define TPD_V6_IPHLHI_SHIFT 10
/* tpd word 3 bit 14:31 if segment enabled */
#define TPD_TCPHDRLEN_MASK 0x000F
#define TPD_TCPHDRLEN_SHIFT 14
#define TPD_HDRFLAG_MASK 0x0001
#define TPD_HDRFLAG_SHIFT 18
#define TPD_MSS_MASK 0x1FFF
#define TPD_MSS_SHIFT 19
/* tdp word 3 bit 16:31 if custom csum enabled */
#define TPD_PLOADOFFSET_MASK 0x00FF
#define TPD_PLOADOFFSET_SHIFT 16
#define TPD_CCSUMOFFSET_MASK 0x00FF
#define TPD_CCSUMOFFSET_SHIFT 24
struct atl1e_tpd_desc {
__le64 buffer_addr;
__le32 word2;
__le32 word3;
};
/* how about 0x2000 */
#define MAX_TX_BUF_LEN 0x2000
#define MAX_TX_BUF_SHIFT 13
/*#define MAX_TX_BUF_LEN 0x3000 */
/* rrs word 1 bit 0:31 */
#define RRS_RX_CSUM_MASK 0xFFFF
#define RRS_RX_CSUM_SHIFT 0
#define RRS_PKT_SIZE_MASK 0x3FFF
#define RRS_PKT_SIZE_SHIFT 16
#define RRS_CPU_NUM_MASK 0x0003
#define RRS_CPU_NUM_SHIFT 30
#define RRS_IS_RSS_IPV4 0x0001
#define RRS_IS_RSS_IPV4_TCP 0x0002
#define RRS_IS_RSS_IPV6 0x0004
#define RRS_IS_RSS_IPV6_TCP 0x0008
#define RRS_IS_IPV6 0x0010
#define RRS_IS_IP_FRAG 0x0020
#define RRS_IS_IP_DF 0x0040
#define RRS_IS_802_3 0x0080
#define RRS_IS_VLAN_TAG 0x0100
#define RRS_IS_ERR_FRAME 0x0200
#define RRS_IS_IPV4 0x0400
#define RRS_IS_UDP 0x0800
#define RRS_IS_TCP 0x1000
#define RRS_IS_BCAST 0x2000
#define RRS_IS_MCAST 0x4000
#define RRS_IS_PAUSE 0x8000
#define RRS_ERR_BAD_CRC 0x0001
#define RRS_ERR_CODE 0x0002
#define RRS_ERR_DRIBBLE 0x0004
#define RRS_ERR_RUNT 0x0008
#define RRS_ERR_RX_OVERFLOW 0x0010
#define RRS_ERR_TRUNC 0x0020
#define RRS_ERR_IP_CSUM 0x0040
#define RRS_ERR_L4_CSUM 0x0080
#define RRS_ERR_LENGTH 0x0100
#define RRS_ERR_DES_ADDR 0x0200
struct atl1e_recv_ret_status {
u16 seq_num;
u16 hash_lo;
__le32 word1;
u16 pkt_flag;
u16 err_flag;
u16 hash_hi;
u16 vtag;
};
enum atl1e_dma_req_block {
atl1e_dma_req_128 = 0,
atl1e_dma_req_256 = 1,
atl1e_dma_req_512 = 2,
atl1e_dma_req_1024 = 3,
atl1e_dma_req_2048 = 4,
atl1e_dma_req_4096 = 5
};
enum atl1e_rrs_type {
atl1e_rrs_disable = 0,
atl1e_rrs_ipv4 = 1,
atl1e_rrs_ipv4_tcp = 2,
atl1e_rrs_ipv6 = 4,
atl1e_rrs_ipv6_tcp = 8
};
enum atl1e_nic_type {
athr_l1e = 0,
athr_l2e_revA = 1,
athr_l2e_revB = 2
};
struct atl1e_hw_stats {
/* rx */
unsigned long rx_ok; /* The number of good packet received. */
unsigned long rx_bcast; /* The number of good broadcast packet received. */
unsigned long rx_mcast; /* The number of good multicast packet received. */
unsigned long rx_pause; /* The number of Pause packet received. */
unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */
unsigned long rx_fcs_err; /* The number of packets with bad FCS. */
unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */
unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */
unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */
unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */
unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */
unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */
unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */
unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */
unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */
unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */
unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */
unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */
unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */
unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */
unsigned long rx_align_err; /* Alignment Error */
unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */
unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */
unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */
/* tx */
unsigned long tx_ok; /* The number of good packet transmitted. */
unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */
unsigned long tx_mcast; /* The number of good multicast packet transmitted. */
unsigned long tx_pause; /* The number of Pause packet transmitted. */
unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */
unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */
unsigned long tx_defer; /* The number of packets transmitted that is deferred. */
unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */
unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */
unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */
unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */
unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */
unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */
unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */
unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */
unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */
unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */
unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */
unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */
unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */
unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */
unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */
unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */
unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */
unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */
};
struct atl1e_hw {
u8 __iomem *hw_addr; /* inner register address */
resource_size_t mem_rang;
struct atl1e_adapter *adapter;
enum atl1e_nic_type nic_type;
u16 device_id;
u16 vendor_id;
u16 subsystem_id;
u16 subsystem_vendor_id;
u8 revision_id;
u16 pci_cmd_word;
u8 mac_addr[ETH_ALEN];
u8 perm_mac_addr[ETH_ALEN];
u8 preamble_len;
u16 max_frame_size;
u16 rx_jumbo_th;
u16 tx_jumbo_th;
u16 media_type;
#define MEDIA_TYPE_AUTO_SENSOR 0
#define MEDIA_TYPE_100M_FULL 1
#define MEDIA_TYPE_100M_HALF 2
#define MEDIA_TYPE_10M_FULL 3
#define MEDIA_TYPE_10M_HALF 4
u16 autoneg_advertised;
#define ADVERTISE_10_HALF 0x0001
#define ADVERTISE_10_FULL 0x0002
#define ADVERTISE_100_HALF 0x0004
#define ADVERTISE_100_FULL 0x0008
#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
#define ADVERTISE_1000_FULL 0x0020
u16 mii_autoneg_adv_reg;
u16 mii_1000t_ctrl_reg;
u16 imt; /* Interrupt Moderator timer ( 2us resolution) */
u16 ict; /* Interrupt Clear timer (2us resolution) */
u32 smb_timer;
u16 rrd_thresh; /* Threshold of number of RRD produced to trigger
interrupt request */
u16 tpd_thresh;
u16 rx_count_down; /* 2us resolution */
u16 tx_count_down;
u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */
enum atl1e_rrs_type rrs_type;
u32 base_cpu;
u32 indirect_tab;
enum atl1e_dma_req_block dmar_block;
enum atl1e_dma_req_block dmaw_block;
u8 dmaw_dly_cnt;
u8 dmar_dly_cnt;
bool phy_configured;
bool re_autoneg;
bool emi_ca;
};
/*
* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer
*/
struct atl1e_tx_buffer {
struct sk_buff *skb;
u16 length;
dma_addr_t dma;
};
struct atl1e_rx_page {
dma_addr_t dma; /* receive rage DMA address */
u8 *addr; /* receive rage virtual address */
dma_addr_t write_offset_dma; /* the DMA address which contain the
receive data offset in the page */
u32 *write_offset_addr; /* the virtaul address which contain
the receive data offset in the page */
u32 read_offset; /* the offset where we have read */
};
struct atl1e_rx_page_desc {
struct atl1e_rx_page rx_page[AT_PAGE_NUM_PER_QUEUE];
u8 rx_using;
u16 rx_nxseq;
};
/* transmit packet descriptor (tpd) ring */
struct atl1e_tx_ring {
struct atl1e_tpd_desc *desc; /* descriptor ring virtual address */
dma_addr_t dma; /* descriptor ring physical address */
u16 count; /* the count of transmit rings */
rwlock_t tx_lock;
u16 next_to_use;
atomic_t next_to_clean;
struct atl1e_tx_buffer *tx_buffer;
dma_addr_t cmb_dma;
u32 *cmb;
};
/* receive packet descriptor ring */
struct atl1e_rx_ring {
void *desc;
dma_addr_t dma;
int size;
u32 page_size; /* bytes length of rxf page */
u32 real_page_size; /* real_page_size = page_size + jumbo + aliagn */
struct atl1e_rx_page_desc rx_page_desc[AT_MAX_RECEIVE_QUEUE];
};
/* board specific private data structure */
struct atl1e_adapter {
struct net_device *netdev;
struct pci_dev *pdev;
struct vlan_group *vlgrp;
struct napi_struct napi;
struct mii_if_info mii; /* MII interface info */
struct atl1e_hw hw;
struct atl1e_hw_stats hw_stats;
struct net_device_stats net_stats;
bool have_msi;
u32 wol;
u16 link_speed;
u16 link_duplex;
spinlock_t mdio_lock;
spinlock_t tx_lock;
atomic_t irq_sem;
struct work_struct reset_task;
struct work_struct link_chg_task;
struct timer_list watchdog_timer;
struct timer_list phy_config_timer;
/* All Descriptor memory */
dma_addr_t ring_dma;
void *ring_vir_addr;
int ring_size;
struct atl1e_tx_ring tx_ring;
struct atl1e_rx_ring rx_ring;
int num_rx_queues;
unsigned long flags;
#define __AT_TESTING 0x0001
#define __AT_RESETTING 0x0002
#define __AT_DOWN 0x0003
u32 bd_number; /* board number;*/
u32 pci_state[16];
u32 *config_space;
};
#define AT_WRITE_REG(a, reg, value) ( \
writel((value), ((a)->hw_addr + reg)))
#define AT_WRITE_FLUSH(a) (\
readl((a)->hw_addr))
#define AT_READ_REG(a, reg) ( \
readl((a)->hw_addr + reg))
#define AT_WRITE_REGB(a, reg, value) (\
writeb((value), ((a)->hw_addr + reg)))
#define AT_READ_REGB(a, reg) (\
readb((a)->hw_addr + reg))
#define AT_WRITE_REGW(a, reg, value) (\
writew((value), ((a)->hw_addr + reg)))
#define AT_READ_REGW(a, reg) (\
readw((a)->hw_addr + reg))
#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \
writel((value), (((a)->hw_addr + reg) + ((offset) << 2))))
#define AT_READ_REG_ARRAY(a, reg, offset) ( \
readl(((a)->hw_addr + reg) + ((offset) << 2)))
extern char atl1e_driver_name[];
extern char atl1e_driver_version[];
extern void atl1e_check_options(struct atl1e_adapter *adapter);
extern int atl1e_up(struct atl1e_adapter *adapter);
extern void atl1e_down(struct atl1e_adapter *adapter);
extern void atl1e_reinit_locked(struct atl1e_adapter *adapter);
extern s32 atl1e_reset_hw(struct atl1e_hw *hw);
extern void atl1e_set_ethtool_ops(struct net_device *netdev);
#endif /* _ATL1_E_H_ */

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@ -0,0 +1,405 @@
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include "atl1e.h"
static int atl1e_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
ecmd->supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_TP);
if (hw->nic_type == athr_l1e)
ecmd->supported |= SUPPORTED_1000baseT_Full;
ecmd->advertising = ADVERTISED_TP;
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->advertising |= hw->autoneg_advertised;
ecmd->port = PORT_TP;
ecmd->phy_address = 0;
ecmd->transceiver = XCVR_INTERNAL;
if (adapter->link_speed != SPEED_0) {
ecmd->speed = adapter->link_speed;
if (adapter->link_duplex == FULL_DUPLEX)
ecmd->duplex = DUPLEX_FULL;
else
ecmd->duplex = DUPLEX_HALF;
} else {
ecmd->speed = -1;
ecmd->duplex = -1;
}
ecmd->autoneg = AUTONEG_ENABLE;
return 0;
}
static int atl1e_set_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
msleep(1);
if (ecmd->autoneg == AUTONEG_ENABLE) {
u16 adv4, adv9;
if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
if (hw->nic_type == athr_l1e) {
hw->autoneg_advertised =
ecmd->advertising & AT_ADV_MASK;
} else {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
} else if (ecmd->advertising&ADVERTISE_1000_HALF) {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
} else {
hw->autoneg_advertised =
ecmd->advertising & AT_ADV_MASK;
}
ecmd->advertising = hw->autoneg_advertised |
ADVERTISED_TP | ADVERTISED_Autoneg;
adv4 = hw->mii_autoneg_adv_reg & ~MII_AR_SPEED_MASK;
adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
if (hw->autoneg_advertised & ADVERTISE_10_HALF)
adv4 |= MII_AR_10T_HD_CAPS;
if (hw->autoneg_advertised & ADVERTISE_10_FULL)
adv4 |= MII_AR_10T_FD_CAPS;
if (hw->autoneg_advertised & ADVERTISE_100_HALF)
adv4 |= MII_AR_100TX_HD_CAPS;
if (hw->autoneg_advertised & ADVERTISE_100_FULL)
adv4 |= MII_AR_100TX_FD_CAPS;
if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
adv9 |= MII_AT001_CR_1000T_FD_CAPS;
if (adv4 != hw->mii_autoneg_adv_reg ||
adv9 != hw->mii_1000t_ctrl_reg) {
hw->mii_autoneg_adv_reg = adv4;
hw->mii_1000t_ctrl_reg = adv9;
hw->re_autoneg = true;
}
} else {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
/* reset the link */
if (netif_running(adapter->netdev)) {
atl1e_down(adapter);
atl1e_up(adapter);
} else
atl1e_reset_hw(&adapter->hw);
clear_bit(__AT_RESETTING, &adapter->flags);
return 0;
}
static u32 atl1e_get_tx_csum(struct net_device *netdev)
{
return (netdev->features & NETIF_F_HW_CSUM) != 0;
}
static u32 atl1e_get_msglevel(struct net_device *netdev)
{
#ifdef DBG
return 1;
#else
return 0;
#endif
}
static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
{
}
static int atl1e_get_regs_len(struct net_device *netdev)
{
return AT_REGS_LEN * sizeof(u32);
}
static void atl1e_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 *regs_buff = p;
u16 phy_data;
memset(p, 0, AT_REGS_LEN * sizeof(u32));
regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
regs_buff[20] = AT_READ_REG(hw, REG_MTU);
regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
regs_buff[73] = (u32)phy_data;
atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
regs_buff[74] = (u32)phy_data;
}
static int atl1e_get_eeprom_len(struct net_device *netdev)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
if (!atl1e_check_eeprom_exist(&adapter->hw))
return AT_EEPROM_LEN;
else
return 0;
}
static int atl1e_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 *eeprom_buff;
int first_dword, last_dword;
int ret_val = 0;
int i;
if (eeprom->len == 0)
return -EINVAL;
if (atl1e_check_eeprom_exist(hw)) /* not exist */
return -EINVAL;
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
first_dword = eeprom->offset >> 2;
last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
eeprom_buff = kmalloc(sizeof(u32) *
(last_dword - first_dword + 1), GFP_KERNEL);
if (eeprom_buff == NULL)
return -ENOMEM;
for (i = first_dword; i < last_dword; i++) {
if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
kfree(eeprom_buff);
return -EIO;
}
}
memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
eeprom->len);
kfree(eeprom_buff);
return ret_val;
}
static int atl1e_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 *eeprom_buff;
u32 *ptr;
int first_dword, last_dword;
int ret_val = 0;
int i;
if (eeprom->len == 0)
return -EOPNOTSUPP;
if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
return -EINVAL;
first_dword = eeprom->offset >> 2;
last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
if (eeprom_buff == NULL)
return -ENOMEM;
ptr = (u32 *)eeprom_buff;
if (eeprom->offset & 3) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
ret_val = -EIO;
goto out;
}
ptr++;
}
if (((eeprom->offset + eeprom->len) & 3)) {
/* need read/modify/write of last changed EEPROM word */
/* only the first byte of the word is being modified */
if (!atl1e_read_eeprom(hw, last_dword * 4,
&(eeprom_buff[last_dword - first_dword]))) {
ret_val = -EIO;
goto out;
}
}
/* Device's eeprom is always little-endian, word addressable */
memcpy(ptr, bytes, eeprom->len);
for (i = 0; i < last_dword - first_dword + 1; i++) {
if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
eeprom_buff[i])) {
ret_val = -EIO;
goto out;
}
}
out:
kfree(eeprom_buff);
return ret_val;
}
static void atl1e_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
strncpy(drvinfo->driver, atl1e_driver_name, 32);
strncpy(drvinfo->version, atl1e_driver_version, 32);
strncpy(drvinfo->fw_version, "L1e", 32);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
drvinfo->n_stats = 0;
drvinfo->testinfo_len = 0;
drvinfo->regdump_len = atl1e_get_regs_len(netdev);
drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
}
static void atl1e_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
wol->supported = WAKE_MAGIC | WAKE_PHY;
wol->wolopts = 0;
if (adapter->wol & AT_WUFC_EX)
wol->wolopts |= WAKE_UCAST;
if (adapter->wol & AT_WUFC_MC)
wol->wolopts |= WAKE_MCAST;
if (adapter->wol & AT_WUFC_BC)
wol->wolopts |= WAKE_BCAST;
if (adapter->wol & AT_WUFC_MAG)
wol->wolopts |= WAKE_MAGIC;
if (adapter->wol & AT_WUFC_LNKC)
wol->wolopts |= WAKE_PHY;
return;
}
static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
WAKE_MCAST | WAKE_BCAST | WAKE_MCAST))
return -EOPNOTSUPP;
/* these settings will always override what we currently have */
adapter->wol = 0;
if (wol->wolopts & WAKE_MAGIC)
adapter->wol |= AT_WUFC_MAG;
if (wol->wolopts & WAKE_PHY)
adapter->wol |= AT_WUFC_LNKC;
return 0;
}
static int atl1e_nway_reset(struct net_device *netdev)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
if (netif_running(netdev))
atl1e_reinit_locked(adapter);
return 0;
}
static struct ethtool_ops atl1e_ethtool_ops = {
.get_settings = atl1e_get_settings,
.set_settings = atl1e_set_settings,
.get_drvinfo = atl1e_get_drvinfo,
.get_regs_len = atl1e_get_regs_len,
.get_regs = atl1e_get_regs,
.get_wol = atl1e_get_wol,
.set_wol = atl1e_set_wol,
.get_msglevel = atl1e_get_msglevel,
.set_msglevel = atl1e_set_msglevel,
.nway_reset = atl1e_nway_reset,
.get_link = ethtool_op_get_link,
.get_eeprom_len = atl1e_get_eeprom_len,
.get_eeprom = atl1e_get_eeprom,
.set_eeprom = atl1e_set_eeprom,
.get_tx_csum = atl1e_get_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
#ifdef NETIF_F_TSO
.get_tso = ethtool_op_get_tso,
#endif
};
void atl1e_set_ethtool_ops(struct net_device *netdev)
{
SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
}

View File

@ -0,0 +1,664 @@
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/crc32.h>
#include "atl1e.h"
/*
* check_eeprom_exist
* return 0 if eeprom exist
*/
int atl1e_check_eeprom_exist(struct atl1e_hw *hw)
{
u32 value;
value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
if (value & SPI_FLASH_CTRL_EN_VPD) {
value &= ~SPI_FLASH_CTRL_EN_VPD;
AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
}
value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST);
return ((value & 0xFF00) == 0x6C00) ? 0 : 1;
}
void atl1e_hw_set_mac_addr(struct atl1e_hw *hw)
{
u32 value;
/*
* 00-0B-6A-F6-00-DC
* 0: 6AF600DC 1: 000B
* low dword
*/
value = (((u32)hw->mac_addr[2]) << 24) |
(((u32)hw->mac_addr[3]) << 16) |
(((u32)hw->mac_addr[4]) << 8) |
(((u32)hw->mac_addr[5])) ;
AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);
/* hight dword */
value = (((u32)hw->mac_addr[0]) << 8) |
(((u32)hw->mac_addr[1])) ;
AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);
}
/*
* atl1e_get_permanent_address
* return 0 if get valid mac address,
*/
static int atl1e_get_permanent_address(struct atl1e_hw *hw)
{
u32 addr[2];
u32 i;
u32 twsi_ctrl_data;
u8 eth_addr[ETH_ALEN];
if (is_valid_ether_addr(hw->perm_mac_addr))
return 0;
/* init */
addr[0] = addr[1] = 0;
if (!atl1e_check_eeprom_exist(hw)) {
/* eeprom exist */
twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART;
AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data);
for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) {
msleep(10);
twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0)
break;
}
if (i >= AT_TWSI_EEPROM_TIMEOUT)
return AT_ERR_TIMEOUT;
}
/* maybe MAC-address is from BIOS */
addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
addr[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4);
*(u32 *) &eth_addr[2] = swab32(addr[0]);
*(u16 *) &eth_addr[0] = swab16(*(u16 *)&addr[1]);
if (is_valid_ether_addr(eth_addr)) {
memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN);
return 0;
}
return AT_ERR_EEPROM;
}
bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value)
{
return true;
}
bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value)
{
int i;
u32 control;
if (offset & 3)
return false; /* address do not align */
AT_WRITE_REG(hw, REG_VPD_DATA, 0);
control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT;
AT_WRITE_REG(hw, REG_VPD_CAP, control);
for (i = 0; i < 10; i++) {
msleep(2);
control = AT_READ_REG(hw, REG_VPD_CAP);
if (control & VPD_CAP_VPD_FLAG)
break;
}
if (control & VPD_CAP_VPD_FLAG) {
*p_value = AT_READ_REG(hw, REG_VPD_DATA);
return true;
}
return false; /* timeout */
}
void atl1e_force_ps(struct atl1e_hw *hw)
{
AT_WRITE_REGW(hw, REG_GPHY_CTRL,
GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET);
}
/*
* Reads the adapter's MAC address from the EEPROM
*
* hw - Struct containing variables accessed by shared code
*/
int atl1e_read_mac_addr(struct atl1e_hw *hw)
{
int err = 0;
err = atl1e_get_permanent_address(hw);
if (err)
return AT_ERR_EEPROM;
memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr));
return 0;
}
/*
* atl1e_hash_mc_addr
* purpose
* set hash value for a multicast address
* hash calcu processing :
* 1. calcu 32bit CRC for multicast address
* 2. reverse crc with MSB to LSB
*/
u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
{
u32 crc32;
u32 value = 0;
int i;
crc32 = ether_crc_le(6, mc_addr);
crc32 = ~crc32;
for (i = 0; i < 32; i++)
value |= (((crc32 >> i) & 1) << (31 - i));
return value;
}
/*
* Sets the bit in the multicast table corresponding to the hash value.
* hw - Struct containing variables accessed by shared code
* hash_value - Multicast address hash value
*/
void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value)
{
u32 hash_bit, hash_reg;
u32 mta;
/*
* The HASH Table is a register array of 2 32-bit registers.
* It is treated like an array of 64 bits. We want to set
* bit BitArray[hash_value]. So we figure out what register
* the bit is in, read it, OR in the new bit, then write
* back the new value. The register is determined by the
* upper 7 bits of the hash value and the bit within that
* register are determined by the lower 5 bits of the value.
*/
hash_reg = (hash_value >> 31) & 0x1;
hash_bit = (hash_value >> 26) & 0x1F;
mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg);
mta |= (1 << hash_bit);
AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta);
}
/*
* Reads the value from a PHY register
* hw - Struct containing variables accessed by shared code
* reg_addr - address of the PHY register to read
*/
int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data)
{
u32 val;
int i;
val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT |
MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW |
MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
wmb();
for (i = 0; i < MDIO_WAIT_TIMES; i++) {
udelay(2);
val = AT_READ_REG(hw, REG_MDIO_CTRL);
if (!(val & (MDIO_START | MDIO_BUSY)))
break;
wmb();
}
if (!(val & (MDIO_START | MDIO_BUSY))) {
*phy_data = (u16)val;
return 0;
}
return AT_ERR_PHY;
}
/*
* Writes a value to a PHY register
* hw - Struct containing variables accessed by shared code
* reg_addr - address of the PHY register to write
* data - data to write to the PHY
*/
int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data)
{
int i;
u32 val;
val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT |
(reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT |
MDIO_SUP_PREAMBLE |
MDIO_START |
MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
wmb();
for (i = 0; i < MDIO_WAIT_TIMES; i++) {
udelay(2);
val = AT_READ_REG(hw, REG_MDIO_CTRL);
if (!(val & (MDIO_START | MDIO_BUSY)))
break;
wmb();
}
if (!(val & (MDIO_START | MDIO_BUSY)))
return 0;
return AT_ERR_PHY;
}
/*
* atl1e_init_pcie - init PCIE module
*/
static void atl1e_init_pcie(struct atl1e_hw *hw)
{
u32 value;
/* comment 2lines below to save more power when sususpend
value = LTSSM_TEST_MODE_DEF;
AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value);
*/
/* pcie flow control mode change */
value = AT_READ_REG(hw, 0x1008);
value |= 0x8000;
AT_WRITE_REG(hw, 0x1008, value);
}
/*
* Configures PHY autoneg and flow control advertisement settings
*
* hw - Struct containing variables accessed by shared code
*/
static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw)
{
s32 ret_val;
u16 mii_autoneg_adv_reg;
u16 mii_1000t_ctrl_reg;
if (0 != hw->mii_autoneg_adv_reg)
return 0;
/* Read the MII Auto-Neg Advertisement Register (Address 4/9). */
mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK;
mii_1000t_ctrl_reg = MII_AT001_CR_1000T_DEFAULT_CAP_MASK;
/*
* Need to parse autoneg_advertised and set up
* the appropriate PHY registers. First we will parse for
* autoneg_advertised software override. Since we can advertise
* a plethora of combinations, we need to check each bit
* individually.
*/
/*
* First we clear all the 10/100 mb speed bits in the Auto-Neg
* Advertisement Register (Address 4) and the 1000 mb speed bits in
* the 1000Base-T control Register (Address 9).
*/
mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK;
mii_1000t_ctrl_reg &= ~MII_AT001_CR_1000T_SPEED_MASK;
/*
* Need to parse MediaType and setup the
* appropriate PHY registers.
*/
switch (hw->media_type) {
case MEDIA_TYPE_AUTO_SENSOR:
mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS |
MII_AR_10T_FD_CAPS |
MII_AR_100TX_HD_CAPS |
MII_AR_100TX_FD_CAPS);
hw->autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_10_FULL |
ADVERTISE_100_HALF |
ADVERTISE_100_FULL;
if (hw->nic_type == athr_l1e) {
mii_1000t_ctrl_reg |=
MII_AT001_CR_1000T_FD_CAPS;
hw->autoneg_advertised |= ADVERTISE_1000_FULL;
}
break;
case MEDIA_TYPE_100M_FULL:
mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS;
hw->autoneg_advertised = ADVERTISE_100_FULL;
break;
case MEDIA_TYPE_100M_HALF:
mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS;
hw->autoneg_advertised = ADVERTISE_100_HALF;
break;
case MEDIA_TYPE_10M_FULL:
mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS;
hw->autoneg_advertised = ADVERTISE_10_FULL;
break;
default:
mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS;
hw->autoneg_advertised = ADVERTISE_10_HALF;
break;
}
/* flow control fixed to enable all */
mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE);
hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg;
hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg;
ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
if (ret_val)
return ret_val;
if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
ret_val = atl1e_write_phy_reg(hw, MII_AT001_CR,
mii_1000t_ctrl_reg);
if (ret_val)
return ret_val;
}
return 0;
}
/*
* Resets the PHY and make all config validate
*
* hw - Struct containing variables accessed by shared code
*
* Sets bit 15 and 12 of the MII control regiser (for F001 bug)
*/
int atl1e_phy_commit(struct atl1e_hw *hw)
{
struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
struct pci_dev *pdev = adapter->pdev;
int ret_val;
u16 phy_data;
phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data);
if (ret_val) {
u32 val;
int i;
/**************************************
* pcie serdes link may be down !
**************************************/
for (i = 0; i < 25; i++) {
msleep(1);
val = AT_READ_REG(hw, REG_MDIO_CTRL);
if (!(val & (MDIO_START | MDIO_BUSY)))
break;
}
if (0 != (val & (MDIO_START | MDIO_BUSY))) {
dev_err(&pdev->dev,
"pcie linkdown at least for 25ms\n");
return ret_val;
}
dev_err(&pdev->dev, "pcie linkup after %d ms\n", i);
}
return 0;
}
int atl1e_phy_init(struct atl1e_hw *hw)
{
struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
struct pci_dev *pdev = adapter->pdev;
s32 ret_val;
u16 phy_val;
if (hw->phy_configured) {
if (hw->re_autoneg) {
hw->re_autoneg = false;
return atl1e_restart_autoneg(hw);
}
return 0;
}
/* RESET GPHY Core */
AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT);
msleep(2);
AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT |
GPHY_CTRL_EXT_RESET);
msleep(2);
/* patches */
/* p1. eable hibernation mode */
ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB);
if (ret_val)
return ret_val;
ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00);
if (ret_val)
return ret_val;
/* p2. set Class A/B for all modes */
ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0);
if (ret_val)
return ret_val;
phy_val = 0x02ef;
/* remove Class AB */
/* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */
ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val);
if (ret_val)
return ret_val;
/* p3. 10B ??? */
ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12);
if (ret_val)
return ret_val;
ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04);
if (ret_val)
return ret_val;
/* p4. 1000T power */
ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4);
if (ret_val)
return ret_val;
ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB);
if (ret_val)
return ret_val;
ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5);
if (ret_val)
return ret_val;
ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46);
if (ret_val)
return ret_val;
msleep(1);
/*Enable PHY LinkChange Interrupt */
ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00);
if (ret_val) {
dev_err(&pdev->dev, "Error enable PHY linkChange Interrupt\n");
return ret_val;
}
/* setup AutoNeg parameters */
ret_val = atl1e_phy_setup_autoneg_adv(hw);
if (ret_val) {
dev_err(&pdev->dev, "Error Setting up Auto-Negotiation\n");
return ret_val;
}
/* SW.Reset & En-Auto-Neg to restart Auto-Neg*/
dev_dbg(&pdev->dev, "Restarting Auto-Neg");
ret_val = atl1e_phy_commit(hw);
if (ret_val) {
dev_err(&pdev->dev, "Error Resetting the phy");
return ret_val;
}
hw->phy_configured = true;
return 0;
}
/*
* Reset the transmit and receive units; mask and clear all interrupts.
* hw - Struct containing variables accessed by shared code
* return : 0 or idle status (if error)
*/
int atl1e_reset_hw(struct atl1e_hw *hw)
{
struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
struct pci_dev *pdev = adapter->pdev;
u32 idle_status_data = 0;
u16 pci_cfg_cmd_word = 0;
int timeout = 0;
/* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
pci_read_config_word(pdev, PCI_REG_COMMAND, &pci_cfg_cmd_word);
if ((pci_cfg_cmd_word & (CMD_IO_SPACE |
CMD_MEMORY_SPACE | CMD_BUS_MASTER))
!= (CMD_IO_SPACE | CMD_MEMORY_SPACE | CMD_BUS_MASTER)) {
pci_cfg_cmd_word |= (CMD_IO_SPACE |
CMD_MEMORY_SPACE | CMD_BUS_MASTER);
pci_write_config_word(pdev, PCI_REG_COMMAND, pci_cfg_cmd_word);
}
/*
* Issue Soft Reset to the MAC. This will reset the chip's
* transmit, receive, DMA. It will not effect
* the current PCI configuration. The global reset bit is self-
* clearing, and should clear within a microsecond.
*/
AT_WRITE_REG(hw, REG_MASTER_CTRL,
MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST);
wmb();
msleep(1);
/* Wait at least 10ms for All module to be Idle */
for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) {
idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS);
if (idle_status_data == 0)
break;
msleep(1);
cpu_relax();
}
if (timeout >= AT_HW_MAX_IDLE_DELAY) {
dev_err(&pdev->dev,
"MAC state machine cann't be idle since"
" disabled for 10ms second\n");
return AT_ERR_TIMEOUT;
}
return 0;
}
/*
* Performs basic configuration of the adapter.
*
* hw - Struct containing variables accessed by shared code
* Assumes that the controller has previously been reset and is in a
* post-reset uninitialized state. Initializes multicast table,
* and Calls routines to setup link
* Leaves the transmit and receive units disabled and uninitialized.
*/
int atl1e_init_hw(struct atl1e_hw *hw)
{
s32 ret_val = 0;
atl1e_init_pcie(hw);
/* Zero out the Multicast HASH table */
/* clear the old settings from the multicast hash table */
AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
ret_val = atl1e_phy_init(hw);
return ret_val;
}
/*
* Detects the current speed and duplex settings of the hardware.
*
* hw - Struct containing variables accessed by shared code
* speed - Speed of the connection
* duplex - Duplex setting of the connection
*/
int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex)
{
int err;
u16 phy_data;
/* Read PHY Specific Status Register (17) */
err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data);
if (err)
return err;
if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED))
return AT_ERR_PHY_RES;
switch (phy_data & MII_AT001_PSSR_SPEED) {
case MII_AT001_PSSR_1000MBS:
*speed = SPEED_1000;
break;
case MII_AT001_PSSR_100MBS:
*speed = SPEED_100;
break;
case MII_AT001_PSSR_10MBS:
*speed = SPEED_10;
break;
default:
return AT_ERR_PHY_SPEED;
break;
}
if (phy_data & MII_AT001_PSSR_DPLX)
*duplex = FULL_DUPLEX;
else
*duplex = HALF_DUPLEX;
return 0;
}
int atl1e_restart_autoneg(struct atl1e_hw *hw)
{
int err = 0;
err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg);
if (err)
return err;
if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
err = atl1e_write_phy_reg(hw, MII_AT001_CR,
hw->mii_1000t_ctrl_reg);
if (err)
return err;
}
err = atl1e_write_phy_reg(hw, MII_BMCR,
MII_CR_RESET | MII_CR_AUTO_NEG_EN |
MII_CR_RESTART_AUTO_NEG);
return err;
}

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@ -0,0 +1,793 @@
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATHL1E_HW_H_
#define _ATHL1E_HW_H_
#include <linux/types.h>
#include <linux/mii.h>
struct atl1e_adapter;
struct atl1e_hw;
/* function prototype */
s32 atl1e_reset_hw(struct atl1e_hw *hw);
s32 atl1e_read_mac_addr(struct atl1e_hw *hw);
s32 atl1e_init_hw(struct atl1e_hw *hw);
s32 atl1e_phy_commit(struct atl1e_hw *hw);
s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex);
u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex);
u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr);
void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value);
s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data);
s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data);
s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw);
void atl1e_hw_set_mac_addr(struct atl1e_hw *hw);
bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value);
bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value);
s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw);
s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw);
s32 atl1e_phy_init(struct atl1e_hw *hw);
int atl1e_check_eeprom_exist(struct atl1e_hw *hw);
void atl1e_force_ps(struct atl1e_hw *hw);
s32 atl1e_restart_autoneg(struct atl1e_hw *hw);
/* register definition */
#define REG_PM_CTRLSTAT 0x44
#define REG_PCIE_CAP_LIST 0x58
#define REG_DEVICE_CAP 0x5C
#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7
#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0
#define REG_DEVICE_CTRL 0x60
#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7
#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5
#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7
#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12
#define REG_VPD_CAP 0x6C
#define VPD_CAP_ID_MASK 0xff
#define VPD_CAP_ID_SHIFT 0
#define VPD_CAP_NEXT_PTR_MASK 0xFF
#define VPD_CAP_NEXT_PTR_SHIFT 8
#define VPD_CAP_VPD_ADDR_MASK 0x7FFF
#define VPD_CAP_VPD_ADDR_SHIFT 16
#define VPD_CAP_VPD_FLAG 0x80000000
#define REG_VPD_DATA 0x70
#define REG_SPI_FLASH_CTRL 0x200
#define SPI_FLASH_CTRL_STS_NON_RDY 0x1
#define SPI_FLASH_CTRL_STS_WEN 0x2
#define SPI_FLASH_CTRL_STS_WPEN 0x80
#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF
#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0
#define SPI_FLASH_CTRL_INS_MASK 0x7
#define SPI_FLASH_CTRL_INS_SHIFT 8
#define SPI_FLASH_CTRL_START 0x800
#define SPI_FLASH_CTRL_EN_VPD 0x2000
#define SPI_FLASH_CTRL_LDSTART 0x8000
#define SPI_FLASH_CTRL_CS_HI_MASK 0x3
#define SPI_FLASH_CTRL_CS_HI_SHIFT 16
#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3
#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18
#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3
#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20
#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3
#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22
#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3
#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24
#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3
#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26
#define SPI_FLASH_CTRL_WAIT_READY 0x10000000
#define REG_SPI_ADDR 0x204
#define REG_SPI_DATA 0x208
#define REG_SPI_FLASH_CONFIG 0x20C
#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF
#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0
#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3
#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24
#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000
#define REG_SPI_FLASH_OP_PROGRAM 0x210
#define REG_SPI_FLASH_OP_SC_ERASE 0x211
#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212
#define REG_SPI_FLASH_OP_RDID 0x213
#define REG_SPI_FLASH_OP_WREN 0x214
#define REG_SPI_FLASH_OP_RDSR 0x215
#define REG_SPI_FLASH_OP_WRSR 0x216
#define REG_SPI_FLASH_OP_READ 0x217
#define REG_TWSI_CTRL 0x218
#define TWSI_CTRL_LD_OFFSET_MASK 0xFF
#define TWSI_CTRL_LD_OFFSET_SHIFT 0
#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7
#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8
#define TWSI_CTRL_SW_LDSTART 0x800
#define TWSI_CTRL_HW_LDSTART 0x1000
#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x0x7F
#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15
#define TWSI_CTRL_LD_EXIST 0x400000
#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3
#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23
#define TWSI_CTRL_FREQ_SEL_100K 0
#define TWSI_CTRL_FREQ_SEL_200K 1
#define TWSI_CTRL_FREQ_SEL_300K 2
#define TWSI_CTRL_FREQ_SEL_400K 3
#define TWSI_CTRL_SMB_SLV_ADDR
#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3
#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24
#define REG_PCIE_DEV_MISC_CTRL 0x21C
#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2
#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1
#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4
#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8
#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10
#define REG_PCIE_PHYMISC 0x1000
#define PCIE_PHYMISC_FORCE_RCV_DET 0x4
#define REG_LTSSM_TEST_MODE 0x12FC
#define LTSSM_TEST_MODE_DEF 0xE000
/* Selene Master Control Register */
#define REG_MASTER_CTRL 0x1400
#define MASTER_CTRL_SOFT_RST 0x1
#define MASTER_CTRL_MTIMER_EN 0x2
#define MASTER_CTRL_ITIMER_EN 0x4
#define MASTER_CTRL_MANUAL_INT 0x8
#define MASTER_CTRL_ITIMER2_EN 0x20
#define MASTER_CTRL_INT_RDCLR 0x40
#define MASTER_CTRL_LED_MODE 0x200
#define MASTER_CTRL_REV_NUM_SHIFT 16
#define MASTER_CTRL_REV_NUM_MASK 0xff
#define MASTER_CTRL_DEV_ID_SHIFT 24
#define MASTER_CTRL_DEV_ID_MASK 0xff
/* Timer Initial Value Register */
#define REG_MANUAL_TIMER_INIT 0x1404
/* IRQ ModeratorTimer Initial Value Register */
#define REG_IRQ_MODU_TIMER_INIT 0x1408 /* w */
#define REG_IRQ_MODU_TIMER2_INIT 0x140A /* w */
#define REG_GPHY_CTRL 0x140C
#define GPHY_CTRL_EXT_RESET 1
#define GPHY_CTRL_PIPE_MOD 2
#define GPHY_CTRL_TEST_MODE_MASK 3
#define GPHY_CTRL_TEST_MODE_SHIFT 2
#define GPHY_CTRL_BERT_START 0x10
#define GPHY_CTRL_GATE_25M_EN 0x20
#define GPHY_CTRL_LPW_EXIT 0x40
#define GPHY_CTRL_PHY_IDDQ 0x80
#define GPHY_CTRL_PHY_IDDQ_DIS 0x100
#define GPHY_CTRL_PCLK_SEL_DIS 0x200
#define GPHY_CTRL_HIB_EN 0x400
#define GPHY_CTRL_HIB_PULSE 0x800
#define GPHY_CTRL_SEL_ANA_RST 0x1000
#define GPHY_CTRL_PHY_PLL_ON 0x2000
#define GPHY_CTRL_PWDOWN_HW 0x4000
#define GPHY_CTRL_DEFAULT (\
GPHY_CTRL_PHY_PLL_ON |\
GPHY_CTRL_SEL_ANA_RST |\
GPHY_CTRL_HIB_PULSE |\
GPHY_CTRL_HIB_EN)
#define GPHY_CTRL_PW_WOL_DIS (\
GPHY_CTRL_PHY_PLL_ON |\
GPHY_CTRL_SEL_ANA_RST |\
GPHY_CTRL_HIB_PULSE |\
GPHY_CTRL_HIB_EN |\
GPHY_CTRL_PWDOWN_HW |\
GPHY_CTRL_PCLK_SEL_DIS |\
GPHY_CTRL_PHY_IDDQ)
/* IRQ Anti-Lost Timer Initial Value Register */
#define REG_CMBDISDMA_TIMER 0x140E
/* Block IDLE Status Register */
#define REG_IDLE_STATUS 0x1410
#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */
#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */
#define IDLE_STATUS_RXQ 4 /* 1: RXQ state machine is in non-IDLE state. 0: RXQ is idling */
#define IDLE_STATUS_TXQ 8 /* 1: TXQ state machine is in non-IDLE state. 0: TXQ is idling */
#define IDLE_STATUS_DMAR 0x10 /* 1: DMAR state machine is in non-IDLE state. 0: DMAR is idling */
#define IDLE_STATUS_DMAW 0x20 /* 1: DMAW state machine is in non-IDLE state. 0: DMAW is idling */
#define IDLE_STATUS_SMB 0x40 /* 1: SMB state machine is in non-IDLE state. 0: SMB is idling */
#define IDLE_STATUS_CMB 0x80 /* 1: CMB state machine is in non-IDLE state. 0: CMB is idling */
/* MDIO Control Register */
#define REG_MDIO_CTRL 0x1414
#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit control data to write to PHY MII management register */
#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/
#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */
#define MDIO_REG_ADDR_SHIFT 16
#define MDIO_RW 0x200000 /* 1: read, 0: write */
#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */
#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/
#define MDIO_CLK_SEL_SHIFT 24
#define MDIO_CLK_25_4 0
#define MDIO_CLK_25_6 2
#define MDIO_CLK_25_8 3
#define MDIO_CLK_25_10 4
#define MDIO_CLK_25_14 5
#define MDIO_CLK_25_20 6
#define MDIO_CLK_25_28 7
#define MDIO_BUSY 0x8000000
#define MDIO_AP_EN 0x10000000
#define MDIO_WAIT_TIMES 10
/* MII PHY Status Register */
#define REG_PHY_STATUS 0x1418
#define PHY_STATUS_100M 0x20000
#define PHY_STATUS_EMI_CA 0x40000
/* BIST Control and Status Register0 (for the Packet Memory) */
#define REG_BIST0_CTRL 0x141c
#define BIST0_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
/* BIST process and reset to zero when BIST is done */
#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */
/* decoder failure or more than 1 cell stuck-to-x failure */
#define BIST0_FUSE_FLAG 0x4 /* 1: Indicating one cell has been fixed */
/* BIST Control and Status Register1(for the retry buffer of PCI Express) */
#define REG_BIST1_CTRL 0x1420
#define BIST1_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
/* BIST process and reset to zero when BIST is done */
#define BIST1_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */
/* decoder failure or more than 1 cell stuck-to-x failure.*/
#define BIST1_FUSE_FLAG 0x4
/* SerDes Lock Detect Control and Status Register */
#define REG_SERDES_LOCK 0x1424
#define SERDES_LOCK_DETECT 1 /* 1: SerDes lock detected . This signal comes from Analog SerDes */
#define SERDES_LOCK_DETECT_EN 2 /* 1: Enable SerDes Lock detect function */
/* MAC Control Register */
#define REG_MAC_CTRL 0x1480
#define MAC_CTRL_TX_EN 1 /* 1: Transmit Enable */
#define MAC_CTRL_RX_EN 2 /* 1: Receive Enable */
#define MAC_CTRL_TX_FLOW 4 /* 1: Transmit Flow Control Enable */
#define MAC_CTRL_RX_FLOW 8 /* 1: Receive Flow Control Enable */
#define MAC_CTRL_LOOPBACK 0x10 /* 1: Loop back at G/MII Interface */
#define MAC_CTRL_DUPLX 0x20 /* 1: Full-duplex mode 0: Half-duplex mode */
#define MAC_CTRL_ADD_CRC 0x40 /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */
#define MAC_CTRL_PAD 0x80 /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */
#define MAC_CTRL_LENCHK 0x100 /* 1: Instruct MAC to check if length field matches the real packet length */
#define MAC_CTRL_HUGE_EN 0x200 /* 1: receive Jumbo frame enable */
#define MAC_CTRL_PRMLEN_SHIFT 10 /* Preamble length */
#define MAC_CTRL_PRMLEN_MASK 0xf
#define MAC_CTRL_RMV_VLAN 0x4000 /* 1: to remove VLAN Tag automatically from all receive packets */
#define MAC_CTRL_PROMIS_EN 0x8000 /* 1: Promiscuous Mode Enable */
#define MAC_CTRL_TX_PAUSE 0x10000 /* 1: transmit test pause */
#define MAC_CTRL_SCNT 0x20000 /* 1: shortcut slot time counter */
#define MAC_CTRL_SRST_TX 0x40000 /* 1: synchronized reset Transmit MAC module */
#define MAC_CTRL_TX_SIMURST 0x80000 /* 1: transmit simulation reset */
#define MAC_CTRL_SPEED_SHIFT 20 /* 10: gigabit 01:10M/100M */
#define MAC_CTRL_SPEED_MASK 0x300000
#define MAC_CTRL_SPEED_1000 2
#define MAC_CTRL_SPEED_10_100 1
#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 /* 1: transmit maximum backoff (half-duplex test bit) */
#define MAC_CTRL_TX_HUGE 0x800000 /* 1: transmit huge enable */
#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 /* 1: RX checksum enable */
#define MAC_CTRL_MC_ALL_EN 0x2000000 /* 1: upload all multicast frame without error to system */
#define MAC_CTRL_BC_EN 0x4000000 /* 1: upload all broadcast frame without error to system */
#define MAC_CTRL_DBG 0x8000000 /* 1: upload all received frame to system (Debug Mode) */
/* MAC IPG/IFG Control Register */
#define REG_MAC_IPG_IFG 0x1484
#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back inter-packet gap. The default is 96-bit time */
#define MAC_IPG_IFG_IPGT_MASK 0x7f
#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to enforce in between RX frames */
#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */
#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */
#define MAC_IPG_IFG_IPGR1_MASK 0x7f
#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */
#define MAC_IPG_IFG_IPGR2_MASK 0x7f
/* MAC STATION ADDRESS */
#define REG_MAC_STA_ADDR 0x1488
/* Hash table for multicast address */
#define REG_RX_HASH_TABLE 0x1490
/* MAC Half-Duplex Control Register */
#define REG_MAC_HALF_DUPLX_CTRL 0x1498
#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */
#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff
#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 /* Retransmission maximum, afterwards the packet will be discarded */
#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf
#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */
#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 /* 1: No back-off on collision, immediately start the retransmission */
#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */
#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */
#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */
#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf
#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */
#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */
/* Maximum Frame Length Control Register */
#define REG_MTU 0x149c
/* Wake-On-Lan control register */
#define REG_WOL_CTRL 0x14a0
#define WOL_PATTERN_EN 0x00000001
#define WOL_PATTERN_PME_EN 0x00000002
#define WOL_MAGIC_EN 0x00000004
#define WOL_MAGIC_PME_EN 0x00000008
#define WOL_LINK_CHG_EN 0x00000010
#define WOL_LINK_CHG_PME_EN 0x00000020
#define WOL_PATTERN_ST 0x00000100
#define WOL_MAGIC_ST 0x00000200
#define WOL_LINKCHG_ST 0x00000400
#define WOL_CLK_SWITCH_EN 0x00008000
#define WOL_PT0_EN 0x00010000
#define WOL_PT1_EN 0x00020000
#define WOL_PT2_EN 0x00040000
#define WOL_PT3_EN 0x00080000
#define WOL_PT4_EN 0x00100000
#define WOL_PT5_EN 0x00200000
#define WOL_PT6_EN 0x00400000
/* WOL Length ( 2 DWORD ) */
#define REG_WOL_PATTERN_LEN 0x14a4
#define WOL_PT_LEN_MASK 0x7f
#define WOL_PT0_LEN_SHIFT 0
#define WOL_PT1_LEN_SHIFT 8
#define WOL_PT2_LEN_SHIFT 16
#define WOL_PT3_LEN_SHIFT 24
#define WOL_PT4_LEN_SHIFT 0
#define WOL_PT5_LEN_SHIFT 8
#define WOL_PT6_LEN_SHIFT 16
/* Internal SRAM Partition Register */
#define REG_SRAM_TRD_ADDR 0x1518
#define REG_SRAM_TRD_LEN 0x151C
#define REG_SRAM_RXF_ADDR 0x1520
#define REG_SRAM_RXF_LEN 0x1524
#define REG_SRAM_TXF_ADDR 0x1528
#define REG_SRAM_TXF_LEN 0x152C
#define REG_SRAM_TCPH_ADDR 0x1530
#define REG_SRAM_PKTH_ADDR 0x1532
/* Load Ptr Register */
#define REG_LOAD_PTR 0x1534 /* Software sets this bit after the initialization of the head and tail */
/*
* addresses of all descriptors, as well as the following descriptor
* control register, which triggers each function block to load the head
* pointer to prepare for the operation. This bit is then self-cleared
* after one cycle.
*/
/* Descriptor Control register */
#define REG_RXF3_BASE_ADDR_HI 0x153C
#define REG_DESC_BASE_ADDR_HI 0x1540
#define REG_RXF0_BASE_ADDR_HI 0x1540 /* share with DESC BASE ADDR HI */
#define REG_HOST_RXF0_PAGE0_LO 0x1544
#define REG_HOST_RXF0_PAGE1_LO 0x1548
#define REG_TPD_BASE_ADDR_LO 0x154C
#define REG_RXF1_BASE_ADDR_HI 0x1550
#define REG_RXF2_BASE_ADDR_HI 0x1554
#define REG_HOST_RXFPAGE_SIZE 0x1558
#define REG_TPD_RING_SIZE 0x155C
/* RSS about */
#define REG_RSS_KEY0 0x14B0
#define REG_RSS_KEY1 0x14B4
#define REG_RSS_KEY2 0x14B8
#define REG_RSS_KEY3 0x14BC
#define REG_RSS_KEY4 0x14C0
#define REG_RSS_KEY5 0x14C4
#define REG_RSS_KEY6 0x14C8
#define REG_RSS_KEY7 0x14CC
#define REG_RSS_KEY8 0x14D0
#define REG_RSS_KEY9 0x14D4
#define REG_IDT_TABLE4 0x14E0
#define REG_IDT_TABLE5 0x14E4
#define REG_IDT_TABLE6 0x14E8
#define REG_IDT_TABLE7 0x14EC
#define REG_IDT_TABLE0 0x1560
#define REG_IDT_TABLE1 0x1564
#define REG_IDT_TABLE2 0x1568
#define REG_IDT_TABLE3 0x156C
#define REG_IDT_TABLE REG_IDT_TABLE0
#define REG_RSS_HASH_VALUE 0x1570
#define REG_RSS_HASH_FLAG 0x1574
#define REG_BASE_CPU_NUMBER 0x157C
/* TXQ Control Register */
#define REG_TXQ_CTRL 0x1580
#define TXQ_CTRL_NUM_TPD_BURST_MASK 0xF
#define TXQ_CTRL_NUM_TPD_BURST_SHIFT 0
#define TXQ_CTRL_EN 0x20 /* 1: Enable TXQ */
#define TXQ_CTRL_ENH_MODE 0x40 /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */
#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */
#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xffff
/* Jumbo packet Threshold for task offload */
#define REG_TX_EARLY_TH 0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */
/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */
#define TX_TX_EARLY_TH_MASK 0x7ff
#define TX_TX_EARLY_TH_SHIFT 0
/* RXQ Control Register */
#define REG_RXQ_CTRL 0x15A0
#define RXQ_CTRL_PBA_ALIGN_32 0 /* rx-packet alignment */
#define RXQ_CTRL_PBA_ALIGN_64 1
#define RXQ_CTRL_PBA_ALIGN_128 2
#define RXQ_CTRL_PBA_ALIGN_256 3
#define RXQ_CTRL_Q1_EN 0x10
#define RXQ_CTRL_Q2_EN 0x20
#define RXQ_CTRL_Q3_EN 0x40
#define RXQ_CTRL_IPV6_XSUM_VERIFY_EN 0x80
#define RXQ_CTRL_HASH_TLEN_SHIFT 8
#define RXQ_CTRL_HASH_TLEN_MASK 0xFF
#define RXQ_CTRL_HASH_TYPE_IPV4 0x10000
#define RXQ_CTRL_HASH_TYPE_IPV4_TCP 0x20000
#define RXQ_CTRL_HASH_TYPE_IPV6 0x40000
#define RXQ_CTRL_HASH_TYPE_IPV6_TCP 0x80000
#define RXQ_CTRL_RSS_MODE_DISABLE 0
#define RXQ_CTRL_RSS_MODE_SQSINT 0x4000000
#define RXQ_CTRL_RSS_MODE_MQUESINT 0x8000000
#define RXQ_CTRL_RSS_MODE_MQUEMINT 0xC000000
#define RXQ_CTRL_NIP_QUEUE_SEL_TBL 0x10000000
#define RXQ_CTRL_HASH_ENABLE 0x20000000
#define RXQ_CTRL_CUT_THRU_EN 0x40000000
#define RXQ_CTRL_EN 0x80000000
/* Rx jumbo packet threshold and rrd retirement timer */
#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4
/*
* Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit.
* When the packet length greater than or equal to this value, RXQ
* shall start cut-through forwarding of the received packet.
*/
#define RXQ_JMBOSZ_TH_MASK 0x7ff
#define RXQ_JMBOSZ_TH_SHIFT 0 /* RRD retirement timer. Decrement by 1 after every 512ns passes*/
#define RXQ_JMBO_LKAH_MASK 0xf
#define RXQ_JMBO_LKAH_SHIFT 11
/* RXF flow control register */
#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8
#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0
#define RXQ_RXF_PAUSE_TH_HI_MASK 0xfff
#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16
#define RXQ_RXF_PAUSE_TH_LO_MASK 0xfff
/* DMA Engine Control Register */
#define REG_DMA_CTRL 0x15C0
#define DMA_CTRL_DMAR_IN_ORDER 0x1
#define DMA_CTRL_DMAR_ENH_ORDER 0x2
#define DMA_CTRL_DMAR_OUT_ORDER 0x4
#define DMA_CTRL_RCB_VALUE 0x8
#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4
#define DMA_CTRL_DMAR_BURST_LEN_MASK 7
#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7
#define DMA_CTRL_DMAW_BURST_LEN_MASK 7
#define DMA_CTRL_DMAR_REQ_PRI 0x400
#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x1F
#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11
#define DMA_CTRL_DMAW_DLY_CNT_MASK 0xF
#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16
#define DMA_CTRL_TXCMB_EN 0x100000
#define DMA_CTRL_RXCMB_EN 0x200000
/* CMB/SMB Control Register */
#define REG_SMB_STAT_TIMER 0x15C4
#define REG_TRIG_RRD_THRESH 0x15CA
#define REG_TRIG_TPD_THRESH 0x15C8
#define REG_TRIG_TXTIMER 0x15CC
#define REG_TRIG_RXTIMER 0x15CE
/* HOST RXF Page 1,2,3 address */
#define REG_HOST_RXF1_PAGE0_LO 0x15D0
#define REG_HOST_RXF1_PAGE1_LO 0x15D4
#define REG_HOST_RXF2_PAGE0_LO 0x15D8
#define REG_HOST_RXF2_PAGE1_LO 0x15DC
#define REG_HOST_RXF3_PAGE0_LO 0x15E0
#define REG_HOST_RXF3_PAGE1_LO 0x15E4
/* Mail box */
#define REG_MB_RXF1_RADDR 0x15B4
#define REG_MB_RXF2_RADDR 0x15B8
#define REG_MB_RXF3_RADDR 0x15BC
#define REG_MB_TPD_PROD_IDX 0x15F0
/* RXF-Page 0-3 PageNo & Valid bit */
#define REG_HOST_RXF0_PAGE0_VLD 0x15F4
#define HOST_RXF_VALID 1
#define HOST_RXF_PAGENO_SHIFT 1
#define HOST_RXF_PAGENO_MASK 0x7F
#define REG_HOST_RXF0_PAGE1_VLD 0x15F5
#define REG_HOST_RXF1_PAGE0_VLD 0x15F6
#define REG_HOST_RXF1_PAGE1_VLD 0x15F7
#define REG_HOST_RXF2_PAGE0_VLD 0x15F8
#define REG_HOST_RXF2_PAGE1_VLD 0x15F9
#define REG_HOST_RXF3_PAGE0_VLD 0x15FA
#define REG_HOST_RXF3_PAGE1_VLD 0x15FB
/* Interrupt Status Register */
#define REG_ISR 0x1600
#define ISR_SMB 1
#define ISR_TIMER 2 /* Interrupt when Timer is counted down to zero */
/*
* Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set
* in Table 51 Selene Master Control Register (Offset 0x1400).
*/
#define ISR_MANUAL 4
#define ISR_HW_RXF_OV 8 /* RXF overflow interrupt */
#define ISR_HOST_RXF0_OV 0x10
#define ISR_HOST_RXF1_OV 0x20
#define ISR_HOST_RXF2_OV 0x40
#define ISR_HOST_RXF3_OV 0x80
#define ISR_TXF_UN 0x100
#define ISR_RX0_PAGE_FULL 0x200
#define ISR_DMAR_TO_RST 0x400
#define ISR_DMAW_TO_RST 0x800
#define ISR_GPHY 0x1000
#define ISR_TX_CREDIT 0x2000
#define ISR_GPHY_LPW 0x4000 /* GPHY low power state interrupt */
#define ISR_RX_PKT 0x10000 /* One packet received, triggered by RFD */
#define ISR_TX_PKT 0x20000 /* One packet transmitted, triggered by TPD */
#define ISR_TX_DMA 0x40000
#define ISR_RX_PKT_1 0x80000
#define ISR_RX_PKT_2 0x100000
#define ISR_RX_PKT_3 0x200000
#define ISR_MAC_RX 0x400000
#define ISR_MAC_TX 0x800000
#define ISR_UR_DETECTED 0x1000000
#define ISR_FERR_DETECTED 0x2000000
#define ISR_NFERR_DETECTED 0x4000000
#define ISR_CERR_DETECTED 0x8000000
#define ISR_PHY_LINKDOWN 0x10000000
#define ISR_DIS_INT 0x80000000
/* Interrupt Mask Register */
#define REG_IMR 0x1604
#define IMR_NORMAL_MASK (\
ISR_SMB |\
ISR_TXF_UN |\
ISR_HW_RXF_OV |\
ISR_HOST_RXF0_OV|\
ISR_MANUAL |\
ISR_GPHY |\
ISR_GPHY_LPW |\
ISR_DMAR_TO_RST |\
ISR_DMAW_TO_RST |\
ISR_PHY_LINKDOWN|\
ISR_RX_PKT |\
ISR_TX_PKT)
#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT)
#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT)
#define REG_MAC_RX_STATUS_BIN 0x1700
#define REG_MAC_RX_STATUS_END 0x175c
#define REG_MAC_TX_STATUS_BIN 0x1760
#define REG_MAC_TX_STATUS_END 0x17c0
/* Hardware Offset Register */
#define REG_HOST_RXF0_PAGEOFF 0x1800
#define REG_TPD_CONS_IDX 0x1804
#define REG_HOST_RXF1_PAGEOFF 0x1808
#define REG_HOST_RXF2_PAGEOFF 0x180C
#define REG_HOST_RXF3_PAGEOFF 0x1810
/* RXF-Page 0-3 Offset DMA Address */
#define REG_HOST_RXF0_MB0_LO 0x1820
#define REG_HOST_RXF0_MB1_LO 0x1824
#define REG_HOST_RXF1_MB0_LO 0x1828
#define REG_HOST_RXF1_MB1_LO 0x182C
#define REG_HOST_RXF2_MB0_LO 0x1830
#define REG_HOST_RXF2_MB1_LO 0x1834
#define REG_HOST_RXF3_MB0_LO 0x1838
#define REG_HOST_RXF3_MB1_LO 0x183C
/* Tpd CMB DMA Address */
#define REG_HOST_TX_CMB_LO 0x1840
#define REG_HOST_SMB_ADDR_LO 0x1844
/* DEBUG ADDR */
#define REG_DEBUG_DATA0 0x1900
#define REG_DEBUG_DATA1 0x1904
/***************************** MII definition ***************************************/
/* PHY Common Register */
#define MII_BMCR 0x00
#define MII_BMSR 0x01
#define MII_PHYSID1 0x02
#define MII_PHYSID2 0x03
#define MII_ADVERTISE 0x04
#define MII_LPA 0x05
#define MII_EXPANSION 0x06
#define MII_AT001_CR 0x09
#define MII_AT001_SR 0x0A
#define MII_AT001_ESR 0x0F
#define MII_AT001_PSCR 0x10
#define MII_AT001_PSSR 0x11
#define MII_INT_CTRL 0x12
#define MII_INT_STATUS 0x13
#define MII_SMARTSPEED 0x14
#define MII_RERRCOUNTER 0x15
#define MII_SREVISION 0x16
#define MII_RESV1 0x17
#define MII_LBRERROR 0x18
#define MII_PHYADDR 0x19
#define MII_RESV2 0x1a
#define MII_TPISTATUS 0x1b
#define MII_NCONFIG 0x1c
#define MII_DBG_ADDR 0x1D
#define MII_DBG_DATA 0x1E
/* PHY Control Register */
#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, 00=10 */
#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */
#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */
#define MII_CR_POWER_DOWN 0x0800 /* Power down */
#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, 00=10 */
#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
#define MII_CR_SPEED_MASK 0x2040
#define MII_CR_SPEED_1000 0x0040
#define MII_CR_SPEED_100 0x2000
#define MII_CR_SPEED_10 0x0000
/* PHY Status Register */
#define MII_SR_EXTENDED_CAPS 0x0001 /* Extended register capabilities */
#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */
#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */
#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */
#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */
#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext. status info in Reg 0x0F */
#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */
#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */
#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */
#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */
#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */
#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */
#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */
/* Link partner ability register. */
#define MII_LPA_SLCT 0x001f /* Same as advertise selector */
#define MII_LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
#define MII_LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */
#define MII_LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */
#define MII_LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */
#define MII_LPA_100BASE4 0x0200 /* 100BASE-T4 */
#define MII_LPA_PAUSE 0x0400 /* PAUSE */
#define MII_LPA_ASYPAUSE 0x0800 /* Asymmetrical PAUSE */
#define MII_LPA_RFAULT 0x2000 /* Link partner faulted */
#define MII_LPA_LPACK 0x4000 /* Link partner acked us */
#define MII_LPA_NPAGE 0x8000 /* Next page bit */
/* Autoneg Advertisement Register */
#define MII_AR_SELECTOR_FIELD 0x0001 /* indicates IEEE 802.3 CSMA/CD */
#define MII_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
#define MII_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
#define MII_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
#define MII_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
#define MII_AR_100T4_CAPS 0x0200 /* 100T4 Capable */
#define MII_AR_PAUSE 0x0400 /* Pause operation desired */
#define MII_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */
#define MII_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */
#define MII_AR_NEXT_PAGE 0x8000 /* Next Page ability supported */
#define MII_AR_SPEED_MASK 0x01E0
#define MII_AR_DEFAULT_CAP_MASK 0x0DE0
/* 1000BASE-T Control Register */
#define MII_AT001_CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */
#define MII_AT001_CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */
#define MII_AT001_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device port */
/* 0=DTE device */
#define MII_AT001_CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master */
/* 0=Configure PHY as Slave */
#define MII_AT001_CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value */
/* 0=Automatic Master/Slave config */
#define MII_AT001_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */
#define MII_AT001_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */
#define MII_AT001_CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */
#define MII_AT001_CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */
#define MII_AT001_CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */
#define MII_AT001_CR_1000T_SPEED_MASK 0x0300
#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK 0x0300
/* 1000BASE-T Status Register */
#define MII_AT001_SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */
#define MII_AT001_SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */
#define MII_AT001_SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
#define MII_AT001_SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
#define MII_AT001_SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master, 0=Slave */
#define MII_AT001_SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config fault */
#define MII_AT001_SR_1000T_REMOTE_RX_STATUS_SHIFT 12
#define MII_AT001_SR_1000T_LOCAL_RX_STATUS_SHIFT 13
/* Extended Status Register */
#define MII_AT001_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */
#define MII_AT001_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */
#define MII_AT001_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */
#define MII_AT001_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */
/* AT001 PHY Specific Control Register */
#define MII_AT001_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Function disabled */
#define MII_AT001_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
#define MII_AT001_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */
#define MII_AT001_PSCR_MAC_POWERDOWN 0x0008
#define MII_AT001_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low,
* 0=CLK125 toggling
*/
#define MII_AT001_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
/* Manual MDI configuration */
#define MII_AT001_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
#define MII_AT001_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover,
* 100BASE-TX/10BASE-T:
* MDI Mode
*/
#define MII_AT001_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled
* all speeds.
*/
#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE 0x0080
/* 1=Enable Extended 10BASE-T distance
* (Lower 10BASE-T RX Threshold)
* 0=Normal 10BASE-T RX Threshold */
#define MII_AT001_PSCR_MII_5BIT_ENABLE 0x0100
/* 1=5-Bit interface in 100BASE-TX
* 0=MII interface in 100BASE-TX */
#define MII_AT001_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler disable */
#define MII_AT001_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */
#define MII_AT001_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT 1
#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT 5
#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
/* AT001 PHY Specific Status Register */
#define MII_AT001_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */
#define MII_AT001_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */
#define MII_AT001_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
#define MII_AT001_PSSR_10MBS 0x0000 /* 00=10Mbs */
#define MII_AT001_PSSR_100MBS 0x4000 /* 01=100Mbs */
#define MII_AT001_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
#endif /*_ATHL1E_HW_H_*/

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/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/netdevice.h>
#include "atl1e.h"
/* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
#define ATL1E_MAX_NIC 32
#define OPTION_UNSET -1
#define OPTION_DISABLED 0
#define OPTION_ENABLED 1
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET }
#define ATL1E_PARAM(x, desc) \
static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \
static int num_##x; \
module_param_array_named(x, x, int, &num_##x, 0); \
MODULE_PARM_DESC(x, desc);
/* Transmit Memory count
*
* Valid Range: 64-2048
*
* Default Value: 128
*/
#define ATL1E_MIN_TX_DESC_CNT 32
#define ATL1E_MAX_TX_DESC_CNT 1020
#define ATL1E_DEFAULT_TX_DESC_CNT 128
ATL1E_PARAM(tx_desc_cnt, "Transmit description count");
/* Receive Memory Block Count
*
* Valid Range: 16-512
*
* Default Value: 128
*/
#define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */
#define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */
#define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */
ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)");
/* User Specified MediaType Override
*
* Valid Range: 0-5
* - 0 - auto-negotiate at all supported speeds
* - 1 - only link at 100Mbps Full Duplex
* - 2 - only link at 100Mbps Half Duplex
* - 3 - only link at 10Mbps Full Duplex
* - 4 - only link at 10Mbps Half Duplex
* Default Value: 0
*/
ATL1E_PARAM(media_type, "MediaType Select");
/* Interrupt Moderate Timer in units of 2 us
*
* Valid Range: 10-65535
*
* Default Value: 45000(90ms)
*/
#define INT_MOD_DEFAULT_CNT 100 /* 200us */
#define INT_MOD_MAX_CNT 65000
#define INT_MOD_MIN_CNT 50
ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer");
#define AUTONEG_ADV_DEFAULT 0x2F
#define AUTONEG_ADV_MASK 0x2F
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
#define FLASH_VENDOR_DEFAULT 0
#define FLASH_VENDOR_MIN 0
#define FLASH_VENDOR_MAX 2
struct atl1e_option {
enum { enable_option, range_option, list_option } type;
char *name;
char *err;
int def;
union {
struct { /* range_option info */
int min;
int max;
} r;
struct { /* list_option info */
int nr;
struct atl1e_opt_list { int i; char *str; } *p;
} l;
} arg;
};
static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct pci_dev *pdev)
{
if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
switch (opt->type) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
dev_info(&pdev->dev, "%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
dev_info(&pdev->dev, "%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
dev_info(&pdev->dev, "%s set to %i\n", opt->name, *value);
return 0;
}
break;
case list_option:{
int i;
struct atl1e_opt_list *ent;
for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
dev_info(&pdev->dev, "%s\n",
ent->str);
return 0;
}
}
break;
}
default:
BUG();
}
dev_info(&pdev->dev, "Invalid %s specified (%i) %s\n",
opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
/*
* atl1e_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
* This routine checks all command line parameters for valid user
* input. If an invalid value is given, or if no user specified
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
*/
void __devinit atl1e_check_options(struct atl1e_adapter *adapter)
{
struct pci_dev *pdev = adapter->pdev;
int bd = adapter->bd_number;
if (bd >= ATL1E_MAX_NIC) {
dev_notice(&pdev->dev, "no configuration for board #%i\n", bd);
dev_notice(&pdev->dev, "Using defaults for all values\n");
}
{ /* Transmit Ring Size */
struct atl1e_option opt = {
.type = range_option,
.name = "Transmit Ddescription Count",
.err = "using default of "
__MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT),
.def = ATL1E_DEFAULT_TX_DESC_CNT,
.arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT,
.max = ATL1E_MAX_TX_DESC_CNT} }
};
int val;
if (num_tx_desc_cnt > bd) {
val = tx_desc_cnt[bd];
atl1e_validate_option(&val, &opt, pdev);
adapter->tx_ring.count = (u16) val & 0xFFFC;
} else
adapter->tx_ring.count = (u16)opt.def;
}
{ /* Receive Memory Block Count */
struct atl1e_option opt = {
.type = range_option,
.name = "Memory size of rx buffer(KB)",
.err = "using default of "
__MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE),
.def = ATL1E_DEFAULT_RX_MEM_SIZE,
.arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE,
.max = ATL1E_MAX_RX_MEM_SIZE} }
};
int val;
if (num_rx_mem_size > bd) {
val = rx_mem_size[bd];
atl1e_validate_option(&val, &opt, pdev);
adapter->rx_ring.page_size = (u32)val * 1024;
} else {
adapter->rx_ring.page_size = (u32)opt.def * 1024;
}
}
{ /* Interrupt Moderate Timer */
struct atl1e_option opt = {
.type = range_option,
.name = "Interrupt Moderate Timer",
.err = "using default of "
__MODULE_STRING(INT_MOD_DEFAULT_CNT),
.def = INT_MOD_DEFAULT_CNT,
.arg = { .r = { .min = INT_MOD_MIN_CNT,
.max = INT_MOD_MAX_CNT} }
} ;
int val;
if (num_int_mod_timer > bd) {
val = int_mod_timer[bd];
atl1e_validate_option(&val, &opt, pdev);
adapter->hw.imt = (u16) val;
} else
adapter->hw.imt = (u16)(opt.def);
}
{ /* MediaType */
struct atl1e_option opt = {
.type = range_option,
.name = "Speed/Duplex Selection",
.err = "using default of "
__MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR),
.def = MEDIA_TYPE_AUTO_SENSOR,
.arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR,
.max = MEDIA_TYPE_10M_HALF} }
} ;
int val;
if (num_media_type > bd) {
val = media_type[bd];
atl1e_validate_option(&val, &opt, pdev);
adapter->hw.media_type = (u16) val;
} else
adapter->hw.media_type = (u16)(opt.def);
}
}