diff options
Diffstat (limited to 'drivers/net/a2065.c')
| -rw-r--r-- | drivers/net/a2065.c | 843 |
1 files changed, 843 insertions, 0 deletions
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c new file mode 100644 index 000000000000..8e538a6d7d97 --- /dev/null +++ b/drivers/net/a2065.c @@ -0,0 +1,843 @@ +/* + * 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 + */ + +#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/slab.h> +#include <linux/string.h> +#include <linux/config.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; + + struct net_device_stats stats; + 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 TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\ + lp->tx_old+lp->tx_ring_mod_mask-lp->tx_new:\ + lp->tx_old - lp->tx_new-1) + + +#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; + + 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; +} + +#define ZERO 0 + +/* 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; /* for LANCE_ADDR computations */ + int leptr; + int i; + + aib = lp->lance_init_block; + + /* 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]; + + if (ZERO) + printk(KERN_DEBUG "TX rings:\n"); + + /* Setup the Tx ring entries */ + 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 && ZERO) + printk(KERN_DEBUG "%d: 0x%8.8x\n", i, leptr); + } + + /* Setup the Rx ring entries */ + if (ZERO) + printk(KERN_DEBUG "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 && ZERO) + printk(KERN_DEBUG "%d: 0x%8.8x\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; + if (ZERO) + printk(KERN_DEBUG "RX ptr: %8.8x\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; + if (ZERO) + printk(KERN_DEBUG "TX ptr: %8.8x\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)) { + printk(KERN_ERR "LANCE unopened after %d ticks, csr0=%4.4x.\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; + int len = 0; /* XXX shut up gcc warnings */ + struct sk_buff *skb = 0; /* XXX shut up gcc warnings */ + +#ifdef TEST_HITS + int i; + printk(KERN_DEBUG "["); + for (i = 0; i < RX_RING_SIZE; i++) { + if (i == lp->rx_new) + printk ("%s", + ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "_" : "X"); + else + printk ("%s", + ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "." : "1"); + } + printk ("]\n"); +#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) { + lp->stats.rx_over_errors++; + lp->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) lp->stats.rx_fifo_errors++; + if (bits & LE_R1_CRC) lp->stats.rx_crc_errors++; + if (bits & LE_R1_OFL) lp->stats.rx_over_errors++; + if (bits & LE_R1_FRA) lp->stats.rx_frame_errors++; + if (bits & LE_R1_EOP) lp->stats.rx_errors++; + } else { + len = (rd->mblength & 0xfff) - 4; + skb = dev_alloc_skb (len+2); + + if (skb == 0) { + printk(KERN_WARNING "%s: Memory squeeze, " + "deferring packet.\n", dev->name); + lp->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->dev = dev; + skb_reserve (skb, 2); /* 16 byte align */ + skb_put (skb, len); /* make room */ + eth_copy_and_sum(skb, + (unsigned char *)&(ib->rx_buf [lp->rx_new][0]), + len, 0); + skb->protocol = eth_type_trans (skb, dev); + netif_rx (skb); + dev->last_rx = jiffies; + lp->stats.rx_packets++; + lp->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; + + lp->stats.tx_errors++; + if (status & LE_T3_RTY) lp->stats.tx_aborted_errors++; + if (status & LE_T3_LCOL) lp->stats.tx_window_errors++; + + if (status & LE_T3_CLOS) { + lp->stats.tx_carrier_errors++; + if (lp->auto_select) { + lp->tpe = 1 - lp->tpe; + printk(KERN_ERR "%s: Carrier Lost, " + "trying %s\n", dev->name, + 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 */ + /* Restart the adapter */ + if (status & (LE_T3_BUF|LE_T3_UFL)) { + lp->stats.tx_fifo_errors++; + + printk(KERN_ERR "%s: Tx: ERR_BUF|ERR_UFL, " + "restarting\n", dev->name); + /* 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) + lp->stats.collisions++; + + /* More than one collision, be optimistic. */ + if (td->tmd1_bits & LE_T1_EMORE) + lp->stats.collisions += 2; + + lp->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 irqreturn_t +lance_interrupt (int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev; + struct lance_private *lp; + volatile struct lance_regs *ll; + int csr0; + + dev = (struct net_device *) dev_id; + + lp = netdev_priv(dev); + ll = lp->ll; + + 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) + lp->stats.tx_errors++; /* Tx babble. */ + if (csr0 & LE_C0_MISS) + lp->stats.rx_errors++; /* Missed a Rx frame. */ + if (csr0 & LE_C0_MERR) { + printk(KERN_ERR "%s: Bus master arbitration failure, status " + "%4.4x.\n", dev->name, csr0); + /* Restart the chip. */ + ll->rdp = LE_C0_STRT; + } + + 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, SA_SHIRQ, + 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; + static int outs; + unsigned long flags; + + skblen = skb->len; + len = skblen; + + if (len < ETH_ZLEN) { + len = ETH_ZLEN; + skb = skb_padto(skb, ETH_ZLEN); + if (skb == NULL) + 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; + + memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen); + + /* Clear the slack of the packet, do I need this? */ + if (len != skblen) + memset ((char *) &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; + + outs++; + + 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_module_init(&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"); |