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![Geert Uytterhoeven](/assets/img/avatar_default.png)
The recent conversion from `memcpy' to `skb_copy_from_linear_data' removed a few casts, which were needed to silence compiler warnings. Re-add them. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
837 lines
21 KiB
C
837 lines
21 KiB
C
/*
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* Amiga Linux/68k A2065 Ethernet Driver
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*
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* (C) Copyright 1995-2003 by Geert Uytterhoeven <geert@linux-m68k.org>
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*
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* Fixes and tips by:
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* - Janos Farkas (CHEXUM@sparta.banki.hu)
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* - Jes Degn Soerensen (jds@kom.auc.dk)
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* - Matt Domsch (Matt_Domsch@dell.com)
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*
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* ----------------------------------------------------------------------------
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*
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* This program is based on
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*
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* ariadne.?: Amiga Linux/68k Ariadne Ethernet Driver
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* (C) Copyright 1995 by Geert Uytterhoeven,
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* Peter De Schrijver
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*
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* lance.c: An AMD LANCE ethernet driver for linux.
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* Written 1993-94 by Donald Becker.
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*
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* Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller
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* Advanced Micro Devices
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* Publication #16907, Rev. B, Amendment/0, May 1994
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*
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* ----------------------------------------------------------------------------
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of the Linux
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* distribution for more details.
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*
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* ----------------------------------------------------------------------------
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*
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* The A2065 is a Zorro-II board made by Commodore/Ameristar. It contains:
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*
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* - an Am7990 Local Area Network Controller for Ethernet (LANCE) with
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* both 10BASE-2 (thin coax) and AUI (DB-15) connectors
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*/
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#include <linux/errno.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/module.h>
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/init.h>
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#include <linux/crc32.h>
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#include <linux/zorro.h>
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#include <linux/bitops.h>
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#include <asm/irq.h>
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#include <asm/amigaints.h>
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#include <asm/amigahw.h>
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#include "a2065.h"
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/*
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* Transmit/Receive Ring Definitions
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*/
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#define LANCE_LOG_TX_BUFFERS (2)
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#define LANCE_LOG_RX_BUFFERS (4)
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#define TX_RING_SIZE (1<<LANCE_LOG_TX_BUFFERS)
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#define RX_RING_SIZE (1<<LANCE_LOG_RX_BUFFERS)
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#define TX_RING_MOD_MASK (TX_RING_SIZE-1)
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#define RX_RING_MOD_MASK (RX_RING_SIZE-1)
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#define PKT_BUF_SIZE (1544)
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#define RX_BUFF_SIZE PKT_BUF_SIZE
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#define TX_BUFF_SIZE PKT_BUF_SIZE
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/*
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* Layout of the Lance's RAM Buffer
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*/
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struct lance_init_block {
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unsigned short mode; /* Pre-set mode (reg. 15) */
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unsigned char phys_addr[6]; /* Physical ethernet address */
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unsigned filter[2]; /* Multicast filter. */
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/* Receive and transmit ring base, along with extra bits. */
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unsigned short rx_ptr; /* receive descriptor addr */
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unsigned short rx_len; /* receive len and high addr */
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unsigned short tx_ptr; /* transmit descriptor addr */
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unsigned short tx_len; /* transmit len and high addr */
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/* The Tx and Rx ring entries must aligned on 8-byte boundaries. */
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struct lance_rx_desc brx_ring[RX_RING_SIZE];
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struct lance_tx_desc btx_ring[TX_RING_SIZE];
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char rx_buf [RX_RING_SIZE][RX_BUFF_SIZE];
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char tx_buf [TX_RING_SIZE][TX_BUFF_SIZE];
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};
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/*
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* Private Device Data
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*/
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struct lance_private {
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char *name;
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volatile struct lance_regs *ll;
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volatile struct lance_init_block *init_block; /* Hosts view */
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volatile struct lance_init_block *lance_init_block; /* Lance view */
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int rx_new, tx_new;
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int rx_old, tx_old;
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int lance_log_rx_bufs, lance_log_tx_bufs;
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int rx_ring_mod_mask, tx_ring_mod_mask;
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struct net_device_stats stats;
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int tpe; /* cable-selection is TPE */
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int auto_select; /* cable-selection by carrier */
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unsigned short busmaster_regval;
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#ifdef CONFIG_SUNLANCE
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struct Linux_SBus_DMA *ledma; /* if set this points to ledma and arch=4m */
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int burst_sizes; /* ledma SBus burst sizes */
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#endif
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struct timer_list multicast_timer;
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};
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#define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
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lp->tx_old+lp->tx_ring_mod_mask-lp->tx_new:\
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lp->tx_old - lp->tx_new-1)
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#define LANCE_ADDR(x) ((int)(x) & ~0xff000000)
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/* Load the CSR registers */
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static void load_csrs (struct lance_private *lp)
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{
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volatile struct lance_regs *ll = lp->ll;
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volatile struct lance_init_block *aib = lp->lance_init_block;
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int leptr;
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leptr = LANCE_ADDR (aib);
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ll->rap = LE_CSR1;
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ll->rdp = (leptr & 0xFFFF);
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ll->rap = LE_CSR2;
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ll->rdp = leptr >> 16;
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ll->rap = LE_CSR3;
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ll->rdp = lp->busmaster_regval;
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/* Point back to csr0 */
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ll->rap = LE_CSR0;
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}
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#define ZERO 0
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/* Setup the Lance Rx and Tx rings */
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static void lance_init_ring (struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_init_block *aib; /* for LANCE_ADDR computations */
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int leptr;
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int i;
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aib = lp->lance_init_block;
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/* Lock out other processes while setting up hardware */
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netif_stop_queue(dev);
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lp->rx_new = lp->tx_new = 0;
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lp->rx_old = lp->tx_old = 0;
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ib->mode = 0;
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/* Copy the ethernet address to the lance init block
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* Note that on the sparc you need to swap the ethernet address.
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*/
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ib->phys_addr [0] = dev->dev_addr [1];
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ib->phys_addr [1] = dev->dev_addr [0];
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ib->phys_addr [2] = dev->dev_addr [3];
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ib->phys_addr [3] = dev->dev_addr [2];
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ib->phys_addr [4] = dev->dev_addr [5];
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ib->phys_addr [5] = dev->dev_addr [4];
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if (ZERO)
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printk(KERN_DEBUG "TX rings:\n");
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/* Setup the Tx ring entries */
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for (i = 0; i <= (1<<lp->lance_log_tx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->tx_buf[i][0]);
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ib->btx_ring [i].tmd0 = leptr;
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ib->btx_ring [i].tmd1_hadr = leptr >> 16;
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ib->btx_ring [i].tmd1_bits = 0;
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ib->btx_ring [i].length = 0xf000; /* The ones required by tmd2 */
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ib->btx_ring [i].misc = 0;
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if (i < 3 && ZERO)
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printk(KERN_DEBUG "%d: 0x%8.8x\n", i, leptr);
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}
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/* Setup the Rx ring entries */
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if (ZERO)
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printk(KERN_DEBUG "RX rings:\n");
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for (i = 0; i < (1<<lp->lance_log_rx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->rx_buf[i][0]);
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ib->brx_ring [i].rmd0 = leptr;
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ib->brx_ring [i].rmd1_hadr = leptr >> 16;
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ib->brx_ring [i].rmd1_bits = LE_R1_OWN;
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ib->brx_ring [i].length = -RX_BUFF_SIZE | 0xf000;
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ib->brx_ring [i].mblength = 0;
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if (i < 3 && ZERO)
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printk(KERN_DEBUG "%d: 0x%8.8x\n", i, leptr);
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}
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/* Setup the initialization block */
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/* Setup rx descriptor pointer */
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leptr = LANCE_ADDR(&aib->brx_ring);
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ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16);
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ib->rx_ptr = leptr;
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if (ZERO)
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printk(KERN_DEBUG "RX ptr: %8.8x\n", leptr);
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/* Setup tx descriptor pointer */
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leptr = LANCE_ADDR(&aib->btx_ring);
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ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16);
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ib->tx_ptr = leptr;
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if (ZERO)
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printk(KERN_DEBUG "TX ptr: %8.8x\n", leptr);
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/* Clear the multicast filter */
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ib->filter [0] = 0;
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ib->filter [1] = 0;
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}
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static int init_restart_lance (struct lance_private *lp)
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{
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volatile struct lance_regs *ll = lp->ll;
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int i;
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ll->rap = LE_CSR0;
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ll->rdp = LE_C0_INIT;
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/* Wait for the lance to complete initialization */
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for (i = 0; (i < 100) && !(ll->rdp & (LE_C0_ERR | LE_C0_IDON)); i++)
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barrier();
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if ((i == 100) || (ll->rdp & LE_C0_ERR)) {
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printk(KERN_ERR "LANCE unopened after %d ticks, csr0=%4.4x.\n",
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i, ll->rdp);
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return -EIO;
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}
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/* Clear IDON by writing a "1", enable interrupts and start lance */
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ll->rdp = LE_C0_IDON;
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ll->rdp = LE_C0_INEA | LE_C0_STRT;
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return 0;
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}
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static int lance_rx (struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_regs *ll = lp->ll;
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volatile struct lance_rx_desc *rd;
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unsigned char bits;
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int len = 0; /* XXX shut up gcc warnings */
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struct sk_buff *skb = 0; /* XXX shut up gcc warnings */
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#ifdef TEST_HITS
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int i;
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printk(KERN_DEBUG "[");
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for (i = 0; i < RX_RING_SIZE; i++) {
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if (i == lp->rx_new)
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printk ("%s",
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ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "_" : "X");
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else
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printk ("%s",
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ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "." : "1");
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}
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printk ("]\n");
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#endif
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ll->rdp = LE_C0_RINT|LE_C0_INEA;
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for (rd = &ib->brx_ring [lp->rx_new];
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!((bits = rd->rmd1_bits) & LE_R1_OWN);
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rd = &ib->brx_ring [lp->rx_new]) {
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/* We got an incomplete frame? */
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if ((bits & LE_R1_POK) != LE_R1_POK) {
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lp->stats.rx_over_errors++;
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lp->stats.rx_errors++;
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continue;
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} else if (bits & LE_R1_ERR) {
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/* Count only the end frame as a rx error,
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* not the beginning
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*/
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if (bits & LE_R1_BUF) lp->stats.rx_fifo_errors++;
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if (bits & LE_R1_CRC) lp->stats.rx_crc_errors++;
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if (bits & LE_R1_OFL) lp->stats.rx_over_errors++;
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if (bits & LE_R1_FRA) lp->stats.rx_frame_errors++;
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if (bits & LE_R1_EOP) lp->stats.rx_errors++;
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} else {
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len = (rd->mblength & 0xfff) - 4;
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skb = dev_alloc_skb (len+2);
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if (skb == 0) {
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printk(KERN_WARNING "%s: Memory squeeze, "
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"deferring packet.\n", dev->name);
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lp->stats.rx_dropped++;
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rd->mblength = 0;
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rd->rmd1_bits = LE_R1_OWN;
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lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
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return 0;
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}
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skb_reserve (skb, 2); /* 16 byte align */
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skb_put (skb, len); /* make room */
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eth_copy_and_sum(skb,
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(unsigned char *)&(ib->rx_buf [lp->rx_new][0]),
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len, 0);
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skb->protocol = eth_type_trans (skb, dev);
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netif_rx (skb);
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dev->last_rx = jiffies;
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lp->stats.rx_packets++;
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lp->stats.rx_bytes += len;
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}
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/* Return the packet to the pool */
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rd->mblength = 0;
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rd->rmd1_bits = LE_R1_OWN;
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lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
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}
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return 0;
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}
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static int lance_tx (struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_regs *ll = lp->ll;
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volatile struct lance_tx_desc *td;
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int i, j;
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int status;
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/* csr0 is 2f3 */
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ll->rdp = LE_C0_TINT | LE_C0_INEA;
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/* csr0 is 73 */
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j = lp->tx_old;
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for (i = j; i != lp->tx_new; i = j) {
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td = &ib->btx_ring [i];
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/* If we hit a packet not owned by us, stop */
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if (td->tmd1_bits & LE_T1_OWN)
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break;
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if (td->tmd1_bits & LE_T1_ERR) {
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status = td->misc;
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lp->stats.tx_errors++;
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if (status & LE_T3_RTY) lp->stats.tx_aborted_errors++;
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if (status & LE_T3_LCOL) lp->stats.tx_window_errors++;
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if (status & LE_T3_CLOS) {
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lp->stats.tx_carrier_errors++;
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if (lp->auto_select) {
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lp->tpe = 1 - lp->tpe;
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printk(KERN_ERR "%s: Carrier Lost, "
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"trying %s\n", dev->name,
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lp->tpe?"TPE":"AUI");
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/* Stop the lance */
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ll->rap = LE_CSR0;
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ll->rdp = LE_C0_STOP;
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lance_init_ring (dev);
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load_csrs (lp);
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init_restart_lance (lp);
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return 0;
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}
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}
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/* buffer errors and underflows turn off the transmitter */
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/* Restart the adapter */
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if (status & (LE_T3_BUF|LE_T3_UFL)) {
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lp->stats.tx_fifo_errors++;
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printk(KERN_ERR "%s: Tx: ERR_BUF|ERR_UFL, "
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"restarting\n", dev->name);
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/* Stop the lance */
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ll->rap = LE_CSR0;
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ll->rdp = LE_C0_STOP;
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lance_init_ring (dev);
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load_csrs (lp);
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init_restart_lance (lp);
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return 0;
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}
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} else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
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/*
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* So we don't count the packet more than once.
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*/
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td->tmd1_bits &= ~(LE_T1_POK);
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/* One collision before packet was sent. */
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if (td->tmd1_bits & LE_T1_EONE)
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lp->stats.collisions++;
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/* More than one collision, be optimistic. */
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if (td->tmd1_bits & LE_T1_EMORE)
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lp->stats.collisions += 2;
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lp->stats.tx_packets++;
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}
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j = (j + 1) & lp->tx_ring_mod_mask;
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}
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lp->tx_old = j;
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ll->rdp = LE_C0_TINT | LE_C0_INEA;
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return 0;
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}
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static irqreturn_t lance_interrupt (int irq, void *dev_id)
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{
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struct net_device *dev;
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struct lance_private *lp;
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volatile struct lance_regs *ll;
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int csr0;
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dev = (struct net_device *) dev_id;
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lp = netdev_priv(dev);
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ll = lp->ll;
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ll->rap = LE_CSR0; /* LANCE Controller Status */
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csr0 = ll->rdp;
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if (!(csr0 & LE_C0_INTR)) /* Check if any interrupt has */
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return IRQ_NONE; /* been generated by the Lance. */
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/* Acknowledge all the interrupt sources ASAP */
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ll->rdp = csr0 & ~(LE_C0_INEA|LE_C0_TDMD|LE_C0_STOP|LE_C0_STRT|
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LE_C0_INIT);
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if ((csr0 & LE_C0_ERR)) {
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/* Clear the error condition */
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ll->rdp = LE_C0_BABL|LE_C0_ERR|LE_C0_MISS|LE_C0_INEA;
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}
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if (csr0 & LE_C0_RINT)
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lance_rx (dev);
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if (csr0 & LE_C0_TINT)
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lance_tx (dev);
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/* Log misc errors. */
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if (csr0 & LE_C0_BABL)
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lp->stats.tx_errors++; /* Tx babble. */
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if (csr0 & LE_C0_MISS)
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lp->stats.rx_errors++; /* Missed a Rx frame. */
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if (csr0 & LE_C0_MERR) {
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printk(KERN_ERR "%s: Bus master arbitration failure, status "
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"%4.4x.\n", dev->name, csr0);
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/* Restart the chip. */
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ll->rdp = LE_C0_STRT;
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}
|
|
|
|
if (netif_queue_stopped(dev) && TX_BUFFS_AVAIL > 0)
|
|
netif_wake_queue(dev);
|
|
|
|
ll->rap = LE_CSR0;
|
|
ll->rdp = LE_C0_BABL|LE_C0_CERR|LE_C0_MISS|LE_C0_MERR|
|
|
LE_C0_IDON|LE_C0_INEA;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
struct net_device *last_dev = 0;
|
|
|
|
static int lance_open (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
int ret;
|
|
|
|
last_dev = dev;
|
|
|
|
/* Stop the Lance */
|
|
ll->rap = LE_CSR0;
|
|
ll->rdp = LE_C0_STOP;
|
|
|
|
/* Install the Interrupt handler */
|
|
ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED,
|
|
dev->name, dev);
|
|
if (ret) return ret;
|
|
|
|
load_csrs (lp);
|
|
lance_init_ring (dev);
|
|
|
|
netif_start_queue(dev);
|
|
|
|
return init_restart_lance (lp);
|
|
}
|
|
|
|
static int lance_close (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
|
|
netif_stop_queue(dev);
|
|
del_timer_sync(&lp->multicast_timer);
|
|
|
|
/* Stop the card */
|
|
ll->rap = LE_CSR0;
|
|
ll->rdp = LE_C0_STOP;
|
|
|
|
free_irq(IRQ_AMIGA_PORTS, dev);
|
|
return 0;
|
|
}
|
|
|
|
static inline int lance_reset (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
int status;
|
|
|
|
/* Stop the lance */
|
|
ll->rap = LE_CSR0;
|
|
ll->rdp = LE_C0_STOP;
|
|
|
|
load_csrs (lp);
|
|
|
|
lance_init_ring (dev);
|
|
dev->trans_start = jiffies;
|
|
netif_start_queue(dev);
|
|
|
|
status = init_restart_lance (lp);
|
|
#ifdef DEBUG_DRIVER
|
|
printk(KERN_DEBUG "Lance restart=%d\n", status);
|
|
#endif
|
|
return status;
|
|
}
|
|
|
|
static void lance_tx_timeout(struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
|
|
printk(KERN_ERR "%s: transmit timed out, status %04x, reset\n",
|
|
dev->name, ll->rdp);
|
|
lance_reset(dev);
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
volatile struct lance_init_block *ib = lp->init_block;
|
|
int entry, skblen, len;
|
|
int status = 0;
|
|
unsigned long flags;
|
|
|
|
skblen = skb->len;
|
|
len = skblen;
|
|
|
|
if (len < ETH_ZLEN) {
|
|
len = ETH_ZLEN;
|
|
if (skb_padto(skb, ETH_ZLEN))
|
|
return 0;
|
|
}
|
|
|
|
local_irq_save(flags);
|
|
|
|
if (!TX_BUFFS_AVAIL){
|
|
local_irq_restore(flags);
|
|
return -1;
|
|
}
|
|
|
|
#ifdef DEBUG_DRIVER
|
|
/* dump the packet */
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
if ((i % 16) == 0)
|
|
printk("\n" KERN_DEBUG);
|
|
printk ("%2.2x ", skb->data [i]);
|
|
}
|
|
printk("\n");
|
|
}
|
|
#endif
|
|
entry = lp->tx_new & lp->tx_ring_mod_mask;
|
|
ib->btx_ring [entry].length = (-len) | 0xf000;
|
|
ib->btx_ring [entry].misc = 0;
|
|
|
|
skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen);
|
|
|
|
/* Clear the slack of the packet, do I need this? */
|
|
if (len != skblen)
|
|
memset ((void *) &ib->tx_buf [entry][skblen], 0, len - skblen);
|
|
|
|
/* Now, give the packet to the lance */
|
|
ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);
|
|
lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask;
|
|
lp->stats.tx_bytes += skblen;
|
|
|
|
if (TX_BUFFS_AVAIL <= 0)
|
|
netif_stop_queue(dev);
|
|
|
|
/* Kick the lance: transmit now */
|
|
ll->rdp = LE_C0_INEA | LE_C0_TDMD;
|
|
dev->trans_start = jiffies;
|
|
dev_kfree_skb (skb);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return status;
|
|
}
|
|
|
|
static struct net_device_stats *lance_get_stats (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
|
|
return &lp->stats;
|
|
}
|
|
|
|
/* taken from the depca driver */
|
|
static void lance_load_multicast (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_init_block *ib = lp->init_block;
|
|
volatile u16 *mcast_table = (u16 *)&ib->filter;
|
|
struct dev_mc_list *dmi=dev->mc_list;
|
|
char *addrs;
|
|
int i;
|
|
u32 crc;
|
|
|
|
/* set all multicast bits */
|
|
if (dev->flags & IFF_ALLMULTI){
|
|
ib->filter [0] = 0xffffffff;
|
|
ib->filter [1] = 0xffffffff;
|
|
return;
|
|
}
|
|
/* clear the multicast filter */
|
|
ib->filter [0] = 0;
|
|
ib->filter [1] = 0;
|
|
|
|
/* Add addresses */
|
|
for (i = 0; i < dev->mc_count; i++){
|
|
addrs = dmi->dmi_addr;
|
|
dmi = dmi->next;
|
|
|
|
/* multicast address? */
|
|
if (!(*addrs & 1))
|
|
continue;
|
|
|
|
crc = ether_crc_le(6, addrs);
|
|
crc = crc >> 26;
|
|
mcast_table [crc >> 4] |= 1 << (crc & 0xf);
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void lance_set_multicast (struct net_device *dev)
|
|
{
|
|
struct lance_private *lp = netdev_priv(dev);
|
|
volatile struct lance_init_block *ib = lp->init_block;
|
|
volatile struct lance_regs *ll = lp->ll;
|
|
|
|
if (!netif_running(dev))
|
|
return;
|
|
|
|
if (lp->tx_old != lp->tx_new) {
|
|
mod_timer(&lp->multicast_timer, jiffies + 4);
|
|
netif_wake_queue(dev);
|
|
return;
|
|
}
|
|
|
|
netif_stop_queue(dev);
|
|
|
|
ll->rap = LE_CSR0;
|
|
ll->rdp = LE_C0_STOP;
|
|
lance_init_ring (dev);
|
|
|
|
if (dev->flags & IFF_PROMISC) {
|
|
ib->mode |= LE_MO_PROM;
|
|
} else {
|
|
ib->mode &= ~LE_MO_PROM;
|
|
lance_load_multicast (dev);
|
|
}
|
|
load_csrs (lp);
|
|
init_restart_lance (lp);
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
static int __devinit a2065_init_one(struct zorro_dev *z,
|
|
const struct zorro_device_id *ent);
|
|
static void __devexit a2065_remove_one(struct zorro_dev *z);
|
|
|
|
|
|
static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = {
|
|
{ ZORRO_PROD_CBM_A2065_1 },
|
|
{ ZORRO_PROD_CBM_A2065_2 },
|
|
{ ZORRO_PROD_AMERISTAR_A2065 },
|
|
{ 0 }
|
|
};
|
|
|
|
static struct zorro_driver a2065_driver = {
|
|
.name = "a2065",
|
|
.id_table = a2065_zorro_tbl,
|
|
.probe = a2065_init_one,
|
|
.remove = __devexit_p(a2065_remove_one),
|
|
};
|
|
|
|
static int __devinit a2065_init_one(struct zorro_dev *z,
|
|
const struct zorro_device_id *ent)
|
|
{
|
|
struct net_device *dev;
|
|
struct lance_private *priv;
|
|
unsigned long board, base_addr, mem_start;
|
|
struct resource *r1, *r2;
|
|
int err;
|
|
|
|
board = z->resource.start;
|
|
base_addr = board+A2065_LANCE;
|
|
mem_start = board+A2065_RAM;
|
|
|
|
r1 = request_mem_region(base_addr, sizeof(struct lance_regs),
|
|
"Am7990");
|
|
if (!r1)
|
|
return -EBUSY;
|
|
r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM");
|
|
if (!r2) {
|
|
release_resource(r1);
|
|
return -EBUSY;
|
|
}
|
|
|
|
dev = alloc_etherdev(sizeof(struct lance_private));
|
|
if (dev == NULL) {
|
|
release_resource(r1);
|
|
release_resource(r2);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
SET_MODULE_OWNER(dev);
|
|
priv = netdev_priv(dev);
|
|
|
|
r1->name = dev->name;
|
|
r2->name = dev->name;
|
|
|
|
dev->dev_addr[0] = 0x00;
|
|
if (z->id != ZORRO_PROD_AMERISTAR_A2065) { /* Commodore */
|
|
dev->dev_addr[1] = 0x80;
|
|
dev->dev_addr[2] = 0x10;
|
|
} else { /* Ameristar */
|
|
dev->dev_addr[1] = 0x00;
|
|
dev->dev_addr[2] = 0x9f;
|
|
}
|
|
dev->dev_addr[3] = (z->rom.er_SerialNumber>>16) & 0xff;
|
|
dev->dev_addr[4] = (z->rom.er_SerialNumber>>8) & 0xff;
|
|
dev->dev_addr[5] = z->rom.er_SerialNumber & 0xff;
|
|
dev->base_addr = ZTWO_VADDR(base_addr);
|
|
dev->mem_start = ZTWO_VADDR(mem_start);
|
|
dev->mem_end = dev->mem_start+A2065_RAM_SIZE;
|
|
|
|
priv->ll = (volatile struct lance_regs *)dev->base_addr;
|
|
priv->init_block = (struct lance_init_block *)dev->mem_start;
|
|
priv->lance_init_block = (struct lance_init_block *)A2065_RAM;
|
|
priv->auto_select = 0;
|
|
priv->busmaster_regval = LE_C3_BSWP;
|
|
|
|
priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
|
|
priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
|
|
priv->rx_ring_mod_mask = RX_RING_MOD_MASK;
|
|
priv->tx_ring_mod_mask = TX_RING_MOD_MASK;
|
|
|
|
dev->open = &lance_open;
|
|
dev->stop = &lance_close;
|
|
dev->hard_start_xmit = &lance_start_xmit;
|
|
dev->tx_timeout = &lance_tx_timeout;
|
|
dev->watchdog_timeo = 5*HZ;
|
|
dev->get_stats = &lance_get_stats;
|
|
dev->set_multicast_list = &lance_set_multicast;
|
|
dev->dma = 0;
|
|
|
|
init_timer(&priv->multicast_timer);
|
|
priv->multicast_timer.data = (unsigned long) dev;
|
|
priv->multicast_timer.function =
|
|
(void (*)(unsigned long)) &lance_set_multicast;
|
|
|
|
err = register_netdev(dev);
|
|
if (err) {
|
|
release_resource(r1);
|
|
release_resource(r2);
|
|
free_netdev(dev);
|
|
return err;
|
|
}
|
|
zorro_set_drvdata(z, dev);
|
|
|
|
printk(KERN_INFO "%s: A2065 at 0x%08lx, Ethernet Address "
|
|
"%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board,
|
|
dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
|
|
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void __devexit a2065_remove_one(struct zorro_dev *z)
|
|
{
|
|
struct net_device *dev = zorro_get_drvdata(z);
|
|
|
|
unregister_netdev(dev);
|
|
release_mem_region(ZTWO_PADDR(dev->base_addr),
|
|
sizeof(struct lance_regs));
|
|
release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE);
|
|
free_netdev(dev);
|
|
}
|
|
|
|
static int __init a2065_init_module(void)
|
|
{
|
|
return zorro_register_driver(&a2065_driver);
|
|
}
|
|
|
|
static void __exit a2065_cleanup_module(void)
|
|
{
|
|
zorro_unregister_driver(&a2065_driver);
|
|
}
|
|
|
|
module_init(a2065_init_module);
|
|
module_exit(a2065_cleanup_module);
|
|
|
|
MODULE_LICENSE("GPL");
|