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-rw-r--r--drivers/net/ethernet/amd/a2065.c781
1 files changed, 781 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/a2065.c b/drivers/net/ethernet/amd/a2065.c
new file mode 100644
index 000000000000..e1e1b07d9b8d
--- /dev/null
+++ b/drivers/net/ethernet/amd/a2065.c
@@ -0,0 +1,781 @@
+/*
+ * Amiga Linux/68k A2065 Ethernet Driver
+ *
+ * (C) Copyright 1995-2003 by Geert Uytterhoeven <geert@linux-m68k.org>
+ *
+ * Fixes and tips by:
+ * - Janos Farkas (CHEXUM@sparta.banki.hu)
+ * - Jes Degn Soerensen (jds@kom.auc.dk)
+ * - Matt Domsch (Matt_Domsch@dell.com)
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * This program is based on
+ *
+ * ariadne.?: Amiga Linux/68k Ariadne Ethernet Driver
+ * (C) Copyright 1995 by Geert Uytterhoeven,
+ * Peter De Schrijver
+ *
+ * lance.c: An AMD LANCE ethernet driver for linux.
+ * Written 1993-94 by Donald Becker.
+ *
+ * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller
+ * Advanced Micro Devices
+ * Publication #16907, Rev. B, Amendment/0, May 1994
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of the Linux
+ * distribution for more details.
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * The A2065 is a Zorro-II board made by Commodore/Ameristar. It contains:
+ *
+ * - an Am7990 Local Area Network Controller for Ethernet (LANCE) with
+ * both 10BASE-2 (thin coax) and AUI (DB-15) connectors
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+/*#define DEBUG*/
+/*#define TEST_HITS*/
+
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/module.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/skbuff.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/crc32.h>
+#include <linux/zorro.h>
+#include <linux/bitops.h>
+
+#include <asm/irq.h>
+#include <asm/amigaints.h>
+#include <asm/amigahw.h>
+
+#include "a2065.h"
+
+/* Transmit/Receive Ring Definitions */
+
+#define LANCE_LOG_TX_BUFFERS (2)
+#define LANCE_LOG_RX_BUFFERS (4)
+
+#define TX_RING_SIZE (1 << LANCE_LOG_TX_BUFFERS)
+#define RX_RING_SIZE (1 << LANCE_LOG_RX_BUFFERS)
+
+#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
+#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
+
+#define PKT_BUF_SIZE (1544)
+#define RX_BUFF_SIZE PKT_BUF_SIZE
+#define TX_BUFF_SIZE PKT_BUF_SIZE
+
+/* Layout of the Lance's RAM Buffer */
+
+struct lance_init_block {
+ unsigned short mode; /* Pre-set mode (reg. 15) */
+ unsigned char phys_addr[6]; /* Physical ethernet address */
+ unsigned filter[2]; /* Multicast filter. */
+
+ /* Receive and transmit ring base, along with extra bits. */
+ unsigned short rx_ptr; /* receive descriptor addr */
+ unsigned short rx_len; /* receive len and high addr */
+ unsigned short tx_ptr; /* transmit descriptor addr */
+ unsigned short tx_len; /* transmit len and high addr */
+
+ /* The Tx and Rx ring entries must aligned on 8-byte boundaries. */
+ struct lance_rx_desc brx_ring[RX_RING_SIZE];
+ struct lance_tx_desc btx_ring[TX_RING_SIZE];
+
+ char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE];
+ char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE];
+};
+
+/* Private Device Data */
+
+struct lance_private {
+ char *name;
+ volatile struct lance_regs *ll;
+ volatile struct lance_init_block *init_block; /* Hosts view */
+ volatile struct lance_init_block *lance_init_block; /* Lance view */
+
+ int rx_new, tx_new;
+ int rx_old, tx_old;
+
+ int lance_log_rx_bufs, lance_log_tx_bufs;
+ int rx_ring_mod_mask, tx_ring_mod_mask;
+
+ int tpe; /* cable-selection is TPE */
+ int auto_select; /* cable-selection by carrier */
+ unsigned short busmaster_regval;
+
+#ifdef CONFIG_SUNLANCE
+ struct Linux_SBus_DMA *ledma; /* if set this points to ledma and arch=4m */
+ int burst_sizes; /* ledma SBus burst sizes */
+#endif
+ struct timer_list multicast_timer;
+};
+
+#define LANCE_ADDR(x) ((int)(x) & ~0xff000000)
+
+/* Load the CSR registers */
+static void load_csrs(struct lance_private *lp)
+{
+ volatile struct lance_regs *ll = lp->ll;
+ volatile struct lance_init_block *aib = lp->lance_init_block;
+ int leptr = LANCE_ADDR(aib);
+
+ ll->rap = LE_CSR1;
+ ll->rdp = (leptr & 0xFFFF);
+ ll->rap = LE_CSR2;
+ ll->rdp = leptr >> 16;
+ ll->rap = LE_CSR3;
+ ll->rdp = lp->busmaster_regval;
+
+ /* Point back to csr0 */
+ ll->rap = LE_CSR0;
+}
+
+/* Setup the Lance Rx and Tx rings */
+static void lance_init_ring(struct net_device *dev)
+{
+ struct lance_private *lp = netdev_priv(dev);
+ volatile struct lance_init_block *ib = lp->init_block;
+ volatile struct lance_init_block *aib = lp->lance_init_block;
+ /* for LANCE_ADDR computations */
+ int leptr;
+ int i;
+
+ /* Lock out other processes while setting up hardware */
+ netif_stop_queue(dev);
+ lp->rx_new = lp->tx_new = 0;
+ lp->rx_old = lp->tx_old = 0;
+
+ ib->mode = 0;
+
+ /* Copy the ethernet address to the lance init block
+ * Note that on the sparc you need to swap the ethernet address.
+ */
+ ib->phys_addr[0] = dev->dev_addr[1];
+ ib->phys_addr[1] = dev->dev_addr[0];
+ ib->phys_addr[2] = dev->dev_addr[3];
+ ib->phys_addr[3] = dev->dev_addr[2];
+ ib->phys_addr[4] = dev->dev_addr[5];
+ ib->phys_addr[5] = dev->dev_addr[4];
+
+ /* Setup the Tx ring entries */
+ netdev_dbg(dev, "TX rings:\n");
+ for (i = 0; i <= 1 << lp->lance_log_tx_bufs; i++) {
+ leptr = LANCE_ADDR(&aib->tx_buf[i][0]);
+ ib->btx_ring[i].tmd0 = leptr;
+ ib->btx_ring[i].tmd1_hadr = leptr >> 16;
+ ib->btx_ring[i].tmd1_bits = 0;
+ ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */
+ ib->btx_ring[i].misc = 0;
+ if (i < 3)
+ netdev_dbg(dev, "%d: 0x%08x\n", i, leptr);
+ }
+
+ /* Setup the Rx ring entries */
+ netdev_dbg(dev, "RX rings:\n");
+ for (i = 0; i < 1 << lp->lance_log_rx_bufs; i++) {
+ leptr = LANCE_ADDR(&aib->rx_buf[i][0]);
+
+ ib->brx_ring[i].rmd0 = leptr;
+ ib->brx_ring[i].rmd1_hadr = leptr >> 16;
+ ib->brx_ring[i].rmd1_bits = LE_R1_OWN;
+ ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000;
+ ib->brx_ring[i].mblength = 0;
+ if (i < 3)
+ netdev_dbg(dev, "%d: 0x%08x\n", i, leptr);
+ }
+
+ /* Setup the initialization block */
+
+ /* Setup rx descriptor pointer */
+ leptr = LANCE_ADDR(&aib->brx_ring);
+ ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16);
+ ib->rx_ptr = leptr;
+ netdev_dbg(dev, "RX ptr: %08x\n", leptr);
+
+ /* Setup tx descriptor pointer */
+ leptr = LANCE_ADDR(&aib->btx_ring);
+ ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16);
+ ib->tx_ptr = leptr;
+ netdev_dbg(dev, "TX ptr: %08x\n", leptr);
+
+ /* Clear the multicast filter */
+ ib->filter[0] = 0;
+ ib->filter[1] = 0;
+}
+
+static int init_restart_lance(struct lance_private *lp)
+{
+ volatile struct lance_regs *ll = lp->ll;
+ int i;
+
+ ll->rap = LE_CSR0;
+ ll->rdp = LE_C0_INIT;
+
+ /* Wait for the lance to complete initialization */
+ for (i = 0; (i < 100) && !(ll->rdp & (LE_C0_ERR | LE_C0_IDON)); i++)
+ barrier();
+ if ((i == 100) || (ll->rdp & LE_C0_ERR)) {
+ pr_err("unopened after %d ticks, csr0=%04x\n", i, ll->rdp);
+ return -EIO;
+ }
+
+ /* Clear IDON by writing a "1", enable interrupts and start lance */
+ ll->rdp = LE_C0_IDON;
+ ll->rdp = LE_C0_INEA | LE_C0_STRT;
+
+ return 0;
+}
+
+static int lance_rx(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;
+ volatile struct lance_rx_desc *rd;
+ unsigned char bits;
+
+#ifdef TEST_HITS
+ int i;
+ char buf[RX_RING_SIZE + 1];
+
+ for (i = 0; i < RX_RING_SIZE; i++) {
+ char r1_own = ib->brx_ring[i].rmd1_bits & LE_R1_OWN;
+ if (i == lp->rx_new)
+ buf[i] = r1_own ? '_' : 'X';
+ else
+ buf[i] = r1_own ? '.' : '1';
+ }
+ buf[RX_RING_SIZE] = 0;
+
+ pr_debug("RxRing TestHits: [%s]\n", buf);
+#endif
+
+ ll->rdp = LE_C0_RINT | LE_C0_INEA;
+ for (rd = &ib->brx_ring[lp->rx_new];
+ !((bits = rd->rmd1_bits) & LE_R1_OWN);
+ rd = &ib->brx_ring[lp->rx_new]) {
+
+ /* We got an incomplete frame? */
+ if ((bits & LE_R1_POK) != LE_R1_POK) {
+ dev->stats.rx_over_errors++;
+ dev->stats.rx_errors++;
+ continue;
+ } else if (bits & LE_R1_ERR) {
+ /* Count only the end frame as a rx error,
+ * not the beginning
+ */
+ if (bits & LE_R1_BUF)
+ dev->stats.rx_fifo_errors++;
+ if (bits & LE_R1_CRC)
+ dev->stats.rx_crc_errors++;
+ if (bits & LE_R1_OFL)
+ dev->stats.rx_over_errors++;
+ if (bits & LE_R1_FRA)
+ dev->stats.rx_frame_errors++;
+ if (bits & LE_R1_EOP)
+ dev->stats.rx_errors++;
+ } else {
+ int len = (rd->mblength & 0xfff) - 4;
+ struct sk_buff *skb = dev_alloc_skb(len + 2);
+
+ if (!skb) {
+ netdev_warn(dev, "Memory squeeze, deferring packet\n");
+ dev->stats.rx_dropped++;
+ rd->mblength = 0;
+ rd->rmd1_bits = LE_R1_OWN;
+ lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
+ return 0;
+ }
+
+ skb_reserve(skb, 2); /* 16 byte align */
+ skb_put(skb, len); /* make room */
+ skb_copy_to_linear_data(skb,
+ (unsigned char *)&ib->rx_buf[lp->rx_new][0],
+ len);
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_rx(skb);
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
+ }
+
+ /* Return the packet to the pool */
+ rd->mblength = 0;
+ rd->rmd1_bits = LE_R1_OWN;
+ lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
+ }
+ return 0;
+}
+
+static int lance_tx(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;
+ volatile struct lance_tx_desc *td;
+ int i, j;
+ int status;
+
+ /* csr0 is 2f3 */
+ ll->rdp = LE_C0_TINT | LE_C0_INEA;
+ /* csr0 is 73 */
+
+ j = lp->tx_old;
+ for (i = j; i != lp->tx_new; i = j) {
+ td = &ib->btx_ring[i];
+
+ /* If we hit a packet not owned by us, stop */
+ if (td->tmd1_bits & LE_T1_OWN)
+ break;
+
+ if (td->tmd1_bits & LE_T1_ERR) {
+ status = td->misc;
+
+ dev->stats.tx_errors++;
+ if (status & LE_T3_RTY)
+ dev->stats.tx_aborted_errors++;
+ if (status & LE_T3_LCOL)
+ dev->stats.tx_window_errors++;
+
+ if (status & LE_T3_CLOS) {
+ dev->stats.tx_carrier_errors++;
+ if (lp->auto_select) {
+ lp->tpe = 1 - lp->tpe;
+ netdev_err(dev, "Carrier Lost, trying %s\n",
+ lp->tpe ? "TPE" : "AUI");
+ /* Stop the lance */
+ ll->rap = LE_CSR0;
+ ll->rdp = LE_C0_STOP;
+ lance_init_ring(dev);
+ load_csrs(lp);
+ init_restart_lance(lp);
+ return 0;
+ }
+ }
+
+ /* buffer errors and underflows turn off
+ * the transmitter, so restart the adapter
+ */
+ if (status & (LE_T3_BUF | LE_T3_UFL)) {
+ dev->stats.tx_fifo_errors++;
+
+ netdev_err(dev, "Tx: ERR_BUF|ERR_UFL, restarting\n");
+ /* Stop the lance */
+ ll->rap = LE_CSR0;
+ ll->rdp = LE_C0_STOP;
+ lance_init_ring(dev);
+ load_csrs(lp);
+ init_restart_lance(lp);
+ return 0;
+ }
+ } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
+ /* So we don't count the packet more than once. */
+ td->tmd1_bits &= ~(LE_T1_POK);
+
+ /* One collision before packet was sent. */
+ if (td->tmd1_bits & LE_T1_EONE)
+ dev->stats.collisions++;
+
+ /* More than one collision, be optimistic. */
+ if (td->tmd1_bits & LE_T1_EMORE)
+ dev->stats.collisions += 2;
+
+ dev->stats.tx_packets++;
+ }
+
+ j = (j + 1) & lp->tx_ring_mod_mask;
+ }
+ lp->tx_old = j;
+ ll->rdp = LE_C0_TINT | LE_C0_INEA;
+ return 0;
+}
+
+static int lance_tx_buffs_avail(struct lance_private *lp)
+{
+ if (lp->tx_old <= lp->tx_new)
+ return lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new;
+ return lp->tx_old - lp->tx_new - 1;
+}
+
+static irqreturn_t lance_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = dev_id;
+ struct lance_private *lp = netdev_priv(dev);
+ volatile struct lance_regs *ll = lp->ll;
+ int csr0;
+
+ ll->rap = LE_CSR0; /* LANCE Controller Status */
+ csr0 = ll->rdp;
+
+ if (!(csr0 & LE_C0_INTR)) /* Check if any interrupt has */
+ return IRQ_NONE; /* been generated by the Lance. */
+
+ /* Acknowledge all the interrupt sources ASAP */
+ ll->rdp = csr0 & ~(LE_C0_INEA | LE_C0_TDMD | LE_C0_STOP | LE_C0_STRT |
+ LE_C0_INIT);
+
+ if (csr0 & LE_C0_ERR) {
+ /* Clear the error condition */
+ ll->rdp = LE_C0_BABL | LE_C0_ERR | LE_C0_MISS | LE_C0_INEA;
+ }
+
+ if (csr0 & LE_C0_RINT)
+ lance_rx(dev);
+
+ if (csr0 & LE_C0_TINT)
+ lance_tx(dev);
+
+ /* Log misc errors. */
+ if (csr0 & LE_C0_BABL)
+ dev->stats.tx_errors++; /* Tx babble. */
+ if (csr0 & LE_C0_MISS)
+ dev->stats.rx_errors++; /* Missed a Rx frame. */
+ if (csr0 & LE_C0_MERR) {
+ netdev_err(dev, "Bus master arbitration failure, status %04x\n",
+ csr0);
+ /* Restart the chip. */
+ ll->rdp = LE_C0_STRT;
+ }
+
+ if (netif_queue_stopped(dev) && lance_tx_buffs_avail(lp) > 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;
+}
+
+static int lance_open(struct net_device *dev)
+{
+ struct lance_private *lp = netdev_priv(dev);
+ volatile struct lance_regs *ll = lp->ll;
+ int ret;
+
+ /* 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; /* prevent tx timeout */
+ netif_start_queue(dev);
+
+ status = init_restart_lance(lp);
+ netdev_dbg(dev, "Lance restart=%d\n", status);
+
+ 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;
+
+ netdev_err(dev, "transmit timed out, status %04x, reset\n", ll->rdp);
+ lance_reset(dev);
+ netif_wake_queue(dev);
+}
+
+static netdev_tx_t 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;
+ int status = NETDEV_TX_OK;
+ unsigned long flags;
+
+ if (skb_padto(skb, ETH_ZLEN))
+ return NETDEV_TX_OK;
+ skblen = max_t(unsigned, skb->len, ETH_ZLEN);
+
+ local_irq_save(flags);
+
+ if (!lance_tx_buffs_avail(lp)) {
+ local_irq_restore(flags);
+ return NETDEV_TX_LOCKED;
+ }
+
+#ifdef DEBUG
+ /* dump the packet */
+ print_hex_dump(KERN_DEBUG, "skb->data: ", DUMP_PREFIX_NONE,
+ 16, 1, skb->data, 64, true);
+#endif
+ entry = lp->tx_new & lp->tx_ring_mod_mask;
+ ib->btx_ring[entry].length = (-skblen) | 0xf000;
+ ib->btx_ring[entry].misc = 0;
+
+ skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], 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;
+ dev->stats.tx_bytes += skblen;
+
+ if (lance_tx_buffs_avail(lp) <= 0)
+ netif_stop_queue(dev);
+
+ /* Kick the lance: transmit now */
+ ll->rdp = LE_C0_INEA | LE_C0_TDMD;
+ dev_kfree_skb(skb);
+
+ local_irq_restore(flags);
+
+ return status;
+}
+
+/* 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 netdev_hw_addr *ha;
+ 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 */
+ netdev_for_each_mc_addr(ha, dev) {
+ crc = ether_crc_le(6, ha->addr);
+ crc = crc >> 26;
+ mcast_table[crc >> 4] |= 1 << (crc & 0xf);
+ }
+}
+
+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 }
+};
+MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl);
+
+static struct zorro_driver a2065_driver = {
+ .name = "a2065",
+ .id_table = a2065_zorro_tbl,
+ .probe = a2065_init_one,
+ .remove = __devexit_p(a2065_remove_one),
+};
+
+static const struct net_device_ops lance_netdev_ops = {
+ .ndo_open = lance_open,
+ .ndo_stop = lance_close,
+ .ndo_start_xmit = lance_start_xmit,
+ .ndo_tx_timeout = lance_tx_timeout,
+ .ndo_set_multicast_list = lance_set_multicast,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+};
+
+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 = z->resource.start;
+ unsigned long base_addr = board + A2065_LANCE;
+ unsigned long mem_start = board + A2065_RAM;
+ struct resource *r1, *r2;
+ int err;
+
+ 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_mem_region(base_addr, sizeof(struct lance_regs));
+ return -EBUSY;
+ }
+
+ dev = alloc_etherdev(sizeof(struct lance_private));
+ if (dev == NULL) {
+ release_mem_region(base_addr, sizeof(struct lance_regs));
+ release_mem_region(mem_start, A2065_RAM_SIZE);
+ return -ENOMEM;
+ }
+
+ 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->netdev_ops = &lance_netdev_ops;
+ dev->watchdog_timeo = 5*HZ;
+ 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_mem_region(base_addr, sizeof(struct lance_regs));
+ release_mem_region(mem_start, A2065_RAM_SIZE);
+ free_netdev(dev);
+ return err;
+ }
+ zorro_set_drvdata(z, dev);
+
+ netdev_info(dev, "A2065 at 0x%08lx, Ethernet Address %pM\n",
+ board, dev->dev_addr);
+
+ 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");