Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * macsonic.c |
| 3 | * |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 4 | * (C) 2005 Finn Thain |
| 5 | * |
| 6 | * Converted to DMA API, converted to unified driver model, made it work as |
| 7 | * a module again, and from the mac68k project, introduced more 32-bit cards |
| 8 | * and dhd's support for 16-bit cards. |
| 9 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * (C) 1998 Alan Cox |
| 11 | * |
| 12 | * Debugging Andreas Ehliar, Michael Schmitz |
| 13 | * |
| 14 | * Based on code |
| 15 | * (C) 1996 by Thomas Bogendoerfer (tsbogend@bigbug.franken.de) |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 16 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | * This driver is based on work from Andreas Busse, but most of |
| 18 | * the code is rewritten. |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 19 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) |
| 21 | * |
| 22 | * A driver for the Mac onboard Sonic ethernet chip. |
| 23 | * |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 24 | * 98/12/21 MSch: judged from tests on Q800, it's basically working, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | * but eating up both receive and transmit resources |
| 26 | * and duplicating packets. Needs more testing. |
| 27 | * |
| 28 | * 99/01/03 MSch: upgraded to version 0.92 of the core driver, fixed. |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 29 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | * 00/10/31 sammy@oh.verio.com: Updated driver for 2.4 kernels, fixed problems |
| 31 | * on centris. |
| 32 | */ |
| 33 | |
| 34 | #include <linux/kernel.h> |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 35 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include <linux/fcntl.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 38 | #include <linux/gfp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <linux/interrupt.h> |
| 40 | #include <linux/init.h> |
| 41 | #include <linux/ioport.h> |
| 42 | #include <linux/in.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | #include <linux/string.h> |
| 44 | #include <linux/delay.h> |
| 45 | #include <linux/nubus.h> |
| 46 | #include <linux/errno.h> |
| 47 | #include <linux/netdevice.h> |
| 48 | #include <linux/etherdevice.h> |
| 49 | #include <linux/skbuff.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 50 | #include <linux/platform_device.h> |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 51 | #include <linux/dma-mapping.h> |
Al Viro | 427a57a | 2007-02-09 16:05:22 +0000 | [diff] [blame] | 52 | #include <linux/bitrev.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 53 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
| 55 | #include <asm/bootinfo.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #include <asm/pgtable.h> |
| 57 | #include <asm/io.h> |
| 58 | #include <asm/hwtest.h> |
| 59 | #include <asm/dma.h> |
| 60 | #include <asm/macintosh.h> |
| 61 | #include <asm/macints.h> |
| 62 | #include <asm/mac_via.h> |
| 63 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 64 | static char mac_sonic_string[] = "macsonic"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | #include "sonic.h" |
| 67 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 68 | /* These should basically be bus-size and endian independent (since |
| 69 | the SONIC is at least smart enough that it uses the same endianness |
| 70 | as the host, unlike certain less enlightened Macintosh NICs) */ |
| 71 | #define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ |
| 72 | + lp->reg_offset)) |
| 73 | #define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ |
| 74 | + lp->reg_offset)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 76 | /* use 0 for production, 1 for verification, >1 for debug */ |
| 77 | #ifdef SONIC_DEBUG |
| 78 | static unsigned int sonic_debug = SONIC_DEBUG; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 79 | #else |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 80 | static unsigned int sonic_debug = 1; |
| 81 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | static int sonic_version_printed; |
| 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | /* For onboard SONIC */ |
| 86 | #define ONBOARD_SONIC_REGISTERS 0x50F0A000 |
| 87 | #define ONBOARD_SONIC_PROM_BASE 0x50f08000 |
| 88 | |
| 89 | enum macsonic_type { |
| 90 | MACSONIC_DUODOCK, |
| 91 | MACSONIC_APPLE, |
| 92 | MACSONIC_APPLE16, |
| 93 | MACSONIC_DAYNA, |
| 94 | MACSONIC_DAYNALINK |
| 95 | }; |
| 96 | |
| 97 | /* For the built-in SONIC in the Duo Dock */ |
| 98 | #define DUODOCK_SONIC_REGISTERS 0xe10000 |
| 99 | #define DUODOCK_SONIC_PROM_BASE 0xe12000 |
| 100 | |
| 101 | /* For Apple-style NuBus SONIC */ |
| 102 | #define APPLE_SONIC_REGISTERS 0 |
| 103 | #define APPLE_SONIC_PROM_BASE 0x40000 |
| 104 | |
| 105 | /* Daynalink LC SONIC */ |
| 106 | #define DAYNALINK_PROM_BASE 0x400000 |
| 107 | |
| 108 | /* For Dayna-style NuBus SONIC (haven't seen one yet) */ |
| 109 | #define DAYNA_SONIC_REGISTERS 0x180000 |
| 110 | /* This is what OpenBSD says. However, this is definitely in NuBus |
| 111 | ROM space so we should be able to get it by walking the NuBus |
| 112 | resource directories */ |
| 113 | #define DAYNA_SONIC_MAC_ADDR 0xffe004 |
| 114 | |
| 115 | #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | /* |
| 118 | * For reversing the PROM address |
| 119 | */ |
| 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | static inline void bit_reverse_addr(unsigned char addr[6]) |
| 122 | { |
| 123 | int i; |
| 124 | |
| 125 | for(i = 0; i < 6; i++) |
Akinobu Mita | bc63eb9 | 2006-12-19 13:09:08 -0800 | [diff] [blame] | 126 | addr[i] = bitrev8(addr[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | } |
| 128 | |
Finn Thain | f4d8675 | 2007-05-02 12:55:56 +1000 | [diff] [blame] | 129 | static irqreturn_t macsonic_interrupt(int irq, void *dev_id) |
| 130 | { |
| 131 | irqreturn_t result; |
| 132 | unsigned long flags; |
| 133 | |
| 134 | local_irq_save(flags); |
| 135 | result = sonic_interrupt(irq, dev_id); |
| 136 | local_irq_restore(flags); |
| 137 | return result; |
| 138 | } |
| 139 | |
| 140 | static int macsonic_open(struct net_device* dev) |
| 141 | { |
Kulikov Vasiliy | 546e3ab | 2010-07-10 01:39:06 +0000 | [diff] [blame] | 142 | int retval; |
| 143 | |
Geert Uytterhoeven | e71ef31 | 2011-07-13 22:33:13 +0200 | [diff] [blame] | 144 | retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev); |
Kulikov Vasiliy | 546e3ab | 2010-07-10 01:39:06 +0000 | [diff] [blame] | 145 | if (retval) { |
| 146 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", |
| 147 | dev->name, dev->irq); |
| 148 | goto err; |
Finn Thain | f4d8675 | 2007-05-02 12:55:56 +1000 | [diff] [blame] | 149 | } |
| 150 | /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes |
| 151 | * in at priority level 3. However, we sometimes get the level 2 inter- |
| 152 | * rupt as well, which must prevent re-entrance of the sonic handler. |
| 153 | */ |
Kulikov Vasiliy | 546e3ab | 2010-07-10 01:39:06 +0000 | [diff] [blame] | 154 | if (dev->irq == IRQ_AUTO_3) { |
Geert Uytterhoeven | e71ef31 | 2011-07-13 22:33:13 +0200 | [diff] [blame] | 155 | retval = request_irq(IRQ_NUBUS_9, macsonic_interrupt, 0, |
| 156 | "sonic", dev); |
Kulikov Vasiliy | 546e3ab | 2010-07-10 01:39:06 +0000 | [diff] [blame] | 157 | if (retval) { |
| 158 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", |
| 159 | dev->name, IRQ_NUBUS_9); |
| 160 | goto err_irq; |
Finn Thain | f4d8675 | 2007-05-02 12:55:56 +1000 | [diff] [blame] | 161 | } |
Kulikov Vasiliy | 546e3ab | 2010-07-10 01:39:06 +0000 | [diff] [blame] | 162 | } |
| 163 | retval = sonic_open(dev); |
| 164 | if (retval) |
| 165 | goto err_irq_nubus; |
| 166 | return 0; |
| 167 | |
| 168 | err_irq_nubus: |
| 169 | if (dev->irq == IRQ_AUTO_3) |
| 170 | free_irq(IRQ_NUBUS_9, dev); |
| 171 | err_irq: |
| 172 | free_irq(dev->irq, dev); |
| 173 | err: |
| 174 | return retval; |
Finn Thain | f4d8675 | 2007-05-02 12:55:56 +1000 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | static int macsonic_close(struct net_device* dev) |
| 178 | { |
| 179 | int err; |
| 180 | err = sonic_close(dev); |
| 181 | free_irq(dev->irq, dev); |
| 182 | if (dev->irq == IRQ_AUTO_3) |
| 183 | free_irq(IRQ_NUBUS_9, dev); |
| 184 | return err; |
| 185 | } |
| 186 | |
Alexander Beregalov | c6e6d85 | 2009-04-11 07:41:28 +0000 | [diff] [blame] | 187 | static const struct net_device_ops macsonic_netdev_ops = { |
| 188 | .ndo_open = macsonic_open, |
| 189 | .ndo_stop = macsonic_close, |
| 190 | .ndo_start_xmit = sonic_send_packet, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 191 | .ndo_set_rx_mode = sonic_multicast_list, |
Alexander Beregalov | c6e6d85 | 2009-04-11 07:41:28 +0000 | [diff] [blame] | 192 | .ndo_tx_timeout = sonic_tx_timeout, |
| 193 | .ndo_get_stats = sonic_get_stats, |
| 194 | .ndo_validate_addr = eth_validate_addr, |
| 195 | .ndo_change_mtu = eth_change_mtu, |
| 196 | .ndo_set_mac_address = eth_mac_addr, |
| 197 | }; |
| 198 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 199 | static int macsonic_init(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | { |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 201 | struct sonic_local* lp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
| 203 | /* Allocate the entire chunk of memory for the descriptors. |
| 204 | Note that this cannot cross a 64K boundary. */ |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 205 | lp->descriptors = dma_alloc_coherent(lp->device, |
| 206 | SIZEOF_SONIC_DESC * |
| 207 | SONIC_BUS_SCALE(lp->dma_bitmode), |
| 208 | &lp->descriptors_laddr, |
| 209 | GFP_KERNEL); |
| 210 | if (lp->descriptors == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | |
| 213 | /* Now set up the pointers to point to the appropriate places */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 214 | lp->cda = lp->descriptors; |
| 215 | lp->tda = lp->cda + (SIZEOF_SONIC_CDA |
| 216 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 218 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 220 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 222 | lp->cda_laddr = lp->descriptors_laddr; |
| 223 | lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA |
| 224 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 225 | lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS |
| 226 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 227 | lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS |
| 228 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | |
Alexander Beregalov | c6e6d85 | 2009-04-11 07:41:28 +0000 | [diff] [blame] | 230 | dev->netdev_ops = &macsonic_netdev_ops; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 231 | dev->watchdog_timeo = TX_TIMEOUT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | |
| 233 | /* |
| 234 | * clear tally counter |
| 235 | */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 236 | SONIC_WRITE(SONIC_CRCT, 0xffff); |
| 237 | SONIC_WRITE(SONIC_FAET, 0xffff); |
| 238 | SONIC_WRITE(SONIC_MPT, 0xffff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | |
| 240 | return 0; |
| 241 | } |
| 242 | |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 243 | #define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \ |
| 244 | memcmp(mac, "\x00\xA0\x40", 3) && \ |
| 245 | memcmp(mac, "\x00\x80\x19", 3) && \ |
| 246 | memcmp(mac, "\x00\x05\x02", 3)) |
| 247 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 248 | static void mac_onboard_sonic_ethernet_addr(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | { |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 250 | struct sonic_local *lp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | const int prom_addr = ONBOARD_SONIC_PROM_BASE; |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 252 | unsigned short val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 254 | /* |
| 255 | * On NuBus boards we can sometimes look in the ROM resources. |
| 256 | * No such luck for comm-slot/onboard. |
| 257 | * On the PowerBook 520, the PROM base address is a mystery. |
| 258 | */ |
| 259 | if (hwreg_present((void *)prom_addr)) { |
| 260 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 262 | for (i = 0; i < 6; i++) |
| 263 | dev->dev_addr[i] = SONIC_READ_PROM(i); |
| 264 | if (!INVALID_MAC(dev->dev_addr)) |
| 265 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | /* |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 268 | * Most of the time, the address is bit-reversed. The NetBSD |
| 269 | * source has a rather long and detailed historical account of |
| 270 | * why this is so. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | */ |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 272 | bit_reverse_addr(dev->dev_addr); |
| 273 | if (!INVALID_MAC(dev->dev_addr)) |
| 274 | return; |
| 275 | |
| 276 | /* |
| 277 | * If we still have what seems to be a bogus address, we'll |
| 278 | * look in the CAM. The top entry should be ours. |
| 279 | */ |
| 280 | printk(KERN_WARNING "macsonic: MAC address in PROM seems " |
| 281 | "to be invalid, trying CAM\n"); |
| 282 | } else { |
| 283 | printk(KERN_WARNING "macsonic: cannot read MAC address from " |
| 284 | "PROM, trying CAM\n"); |
| 285 | } |
| 286 | |
| 287 | /* This only works if MacOS has already initialized the card. */ |
| 288 | |
| 289 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 290 | SONIC_WRITE(SONIC_CEP, 15); |
| 291 | |
| 292 | val = SONIC_READ(SONIC_CAP2); |
| 293 | dev->dev_addr[5] = val >> 8; |
| 294 | dev->dev_addr[4] = val & 0xff; |
| 295 | val = SONIC_READ(SONIC_CAP1); |
| 296 | dev->dev_addr[3] = val >> 8; |
| 297 | dev->dev_addr[2] = val & 0xff; |
| 298 | val = SONIC_READ(SONIC_CAP0); |
| 299 | dev->dev_addr[1] = val >> 8; |
| 300 | dev->dev_addr[0] = val & 0xff; |
| 301 | |
| 302 | if (!INVALID_MAC(dev->dev_addr)) |
| 303 | return; |
| 304 | |
| 305 | /* Still nonsense ... messed up someplace! */ |
| 306 | |
| 307 | printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 " |
| 308 | "seems invalid, will use a random MAC\n"); |
Danny Kukawka | f2cedb6 | 2012-02-15 06:45:39 +0000 | [diff] [blame] | 309 | eth_hw_addr_random(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | } |
| 311 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 312 | static int mac_onboard_sonic_probe(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | { |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 314 | struct sonic_local* lp = netdev_priv(dev); |
| 315 | int sr; |
| 316 | int commslot = 0; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 317 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | if (!MACH_IS_MAC) |
| 319 | return -ENODEV; |
| 320 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 321 | printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 322 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | /* Bogus probing, on the models which may or may not have |
| 324 | Ethernet (BTW, the Ethernet *is* always at the same |
| 325 | address, and nothing else lives there, at least if Apple's |
| 326 | documentation is to be believed) */ |
| 327 | if (macintosh_config->ident == MAC_MODEL_Q630 || |
| 328 | macintosh_config->ident == MAC_MODEL_P588 || |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 329 | macintosh_config->ident == MAC_MODEL_P575 || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | macintosh_config->ident == MAC_MODEL_C610) { |
| 331 | unsigned long flags; |
| 332 | int card_present; |
| 333 | |
| 334 | local_irq_save(flags); |
| 335 | card_present = hwreg_present((void*)ONBOARD_SONIC_REGISTERS); |
| 336 | local_irq_restore(flags); |
| 337 | |
| 338 | if (!card_present) { |
| 339 | printk("none.\n"); |
| 340 | return -ENODEV; |
| 341 | } |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 342 | commslot = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | } |
| 344 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 345 | printk("yes\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 347 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
| 348 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | dev->base_addr = ONBOARD_SONIC_REGISTERS; |
| 350 | if (via_alt_mapping) |
| 351 | dev->irq = IRQ_AUTO_3; |
| 352 | else |
| 353 | dev->irq = IRQ_NUBUS_9; |
| 354 | |
| 355 | if (!sonic_version_printed) { |
| 356 | printk(KERN_INFO "%s", version); |
| 357 | sonic_version_printed = 1; |
| 358 | } |
| 359 | printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 360 | dev_name(lp->device), dev->base_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
| 362 | /* The PowerBook's SONIC is 16 bit always. */ |
| 363 | if (macintosh_config->ident == MAC_MODEL_PB520) { |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 364 | lp->reg_offset = 0; |
| 365 | lp->dma_bitmode = SONIC_BITMODE16; |
| 366 | sr = SONIC_READ(SONIC_SR); |
| 367 | } else if (commslot) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | /* Some of the comm-slot cards are 16 bit. But some |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 369 | of them are not. The 32-bit cards use offset 2 and |
| 370 | have known revisions, we try reading the revision |
| 371 | register at offset 2, if we don't get a known revision |
| 372 | we assume 16 bit at offset 0. */ |
| 373 | lp->reg_offset = 2; |
| 374 | lp->dma_bitmode = SONIC_BITMODE16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 376 | sr = SONIC_READ(SONIC_SR); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 377 | if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 378 | /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ |
| 379 | lp->dma_bitmode = SONIC_BITMODE32; |
| 380 | else { |
| 381 | lp->dma_bitmode = SONIC_BITMODE16; |
| 382 | lp->reg_offset = 0; |
| 383 | sr = SONIC_READ(SONIC_SR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | } |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 385 | } else { |
| 386 | /* All onboard cards are at offset 2 with 32 bit DMA. */ |
| 387 | lp->reg_offset = 2; |
| 388 | lp->dma_bitmode = SONIC_BITMODE32; |
| 389 | sr = SONIC_READ(SONIC_SR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | } |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 391 | printk(KERN_INFO |
| 392 | "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 393 | dev_name(lp->device), sr, lp->dma_bitmode?32:16, lp->reg_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 395 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 396 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 397 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); |
| 398 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | /* Software reset, then initialize control registers. */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 401 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 402 | |
| 403 | SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | |
| 404 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
| 405 | (lp->dma_bitmode ? SONIC_DCR_DW : 0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
| 407 | /* This *must* be written back to in order to restore the |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 408 | * extended programmable output bits, as it may not have been |
| 409 | * initialised since the hardware reset. */ |
| 410 | SONIC_WRITE(SONIC_DCR2, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | |
| 412 | /* Clear *and* disable interrupts to be on the safe side */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 413 | SONIC_WRITE(SONIC_IMR, 0); |
| 414 | SONIC_WRITE(SONIC_ISR, 0x7fff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | |
| 416 | /* Now look for the MAC address. */ |
Finn Thain | dcaa6a9 | 2009-11-03 03:42:40 +0000 | [diff] [blame] | 417 | mac_onboard_sonic_ethernet_addr(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | /* Shared init code */ |
| 420 | return macsonic_init(dev); |
| 421 | } |
| 422 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 423 | static int mac_nubus_sonic_ethernet_addr(struct net_device *dev, |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 424 | unsigned long prom_addr, int id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | { |
| 426 | int i; |
| 427 | for(i = 0; i < 6; i++) |
| 428 | dev->dev_addr[i] = SONIC_READ_PROM(i); |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 429 | |
| 430 | /* Some of the addresses are bit-reversed */ |
| 431 | if (id != MACSONIC_DAYNA) |
| 432 | bit_reverse_addr(dev->dev_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | |
| 434 | return 0; |
| 435 | } |
| 436 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 437 | static int macsonic_ident(struct nubus_dev *ndev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | { |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 439 | if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | ndev->dr_sw == NUBUS_DRSW_SONIC_LC) |
| 441 | return MACSONIC_DAYNALINK; |
| 442 | if (ndev->dr_hw == NUBUS_DRHW_SONIC && |
| 443 | ndev->dr_sw == NUBUS_DRSW_APPLE) { |
| 444 | /* There has to be a better way to do this... */ |
| 445 | if (strstr(ndev->board->name, "DuoDock")) |
| 446 | return MACSONIC_DUODOCK; |
| 447 | else |
| 448 | return MACSONIC_APPLE; |
| 449 | } |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 450 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 451 | if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && |
| 452 | ndev->dr_sw == NUBUS_DRSW_DAYNA) |
| 453 | return MACSONIC_DAYNA; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 454 | |
Finn Thain | f877958 | 2007-05-01 22:32:53 +0200 | [diff] [blame] | 455 | if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 456 | ndev->dr_sw == 0) { /* huh? */ |
| 457 | return MACSONIC_APPLE16; |
| 458 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | return -1; |
| 460 | } |
| 461 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 462 | static int mac_nubus_sonic_probe(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | { |
| 464 | static int slots; |
| 465 | struct nubus_dev* ndev = NULL; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 466 | struct sonic_local* lp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | unsigned long base_addr, prom_addr; |
| 468 | u16 sonic_dcr; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 469 | int id = -1; |
| 470 | int reg_offset, dma_bitmode; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 471 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | /* Find the first SONIC that hasn't been initialized already */ |
| 473 | while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, |
| 474 | NUBUS_TYPE_ETHERNET, ndev)) != NULL) |
| 475 | { |
| 476 | /* Have we seen it already? */ |
| 477 | if (slots & (1<<ndev->board->slot)) |
| 478 | continue; |
| 479 | slots |= 1<<ndev->board->slot; |
| 480 | |
| 481 | /* Is it one of ours? */ |
| 482 | if ((id = macsonic_ident(ndev)) != -1) |
| 483 | break; |
| 484 | } |
| 485 | |
| 486 | if (ndev == NULL) |
| 487 | return -ENODEV; |
| 488 | |
| 489 | switch (id) { |
| 490 | case MACSONIC_DUODOCK: |
| 491 | base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; |
| 492 | prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 493 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | |
| 494 | SONIC_DCR_TFT0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | reg_offset = 2; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 496 | dma_bitmode = SONIC_BITMODE32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | break; |
| 498 | case MACSONIC_APPLE: |
| 499 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 500 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; |
| 501 | sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; |
| 502 | reg_offset = 0; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 503 | dma_bitmode = SONIC_BITMODE32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | break; |
| 505 | case MACSONIC_APPLE16: |
| 506 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 507 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 508 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 509 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | reg_offset = 0; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 511 | dma_bitmode = SONIC_BITMODE16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | break; |
| 513 | case MACSONIC_DAYNALINK: |
| 514 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 515 | prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 516 | sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 517 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | reg_offset = 0; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 519 | dma_bitmode = SONIC_BITMODE16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | break; |
| 521 | case MACSONIC_DAYNA: |
| 522 | base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; |
| 523 | prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 524 | sonic_dcr = SONIC_DCR_BMS | |
| 525 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | reg_offset = 0; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 527 | dma_bitmode = SONIC_BITMODE16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | break; |
| 529 | default: |
| 530 | printk(KERN_ERR "macsonic: WTF, id is %d\n", id); |
| 531 | return -ENODEV; |
| 532 | } |
| 533 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 534 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
| 535 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | dev->base_addr = base_addr; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 537 | lp->reg_offset = reg_offset; |
| 538 | lp->dma_bitmode = dma_bitmode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | dev->irq = SLOT2IRQ(ndev->board->slot); |
| 540 | |
| 541 | if (!sonic_version_printed) { |
| 542 | printk(KERN_INFO "%s", version); |
| 543 | sonic_version_printed = 1; |
| 544 | } |
| 545 | printk(KERN_INFO "%s: %s in slot %X\n", |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 546 | dev_name(lp->device), ndev->board->name, ndev->board->slot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 548 | dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 550 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
Kay Sievers | c231355 | 2009-03-24 16:38:22 -0700 | [diff] [blame] | 551 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 552 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); |
| 553 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | |
| 555 | /* Software reset, then initialize control registers. */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 556 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 557 | SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); |
| 558 | /* This *must* be written back to in order to restore the |
| 559 | * extended programmable output bits, since it may not have been |
| 560 | * initialised since the hardware reset. */ |
| 561 | SONIC_WRITE(SONIC_DCR2, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | |
| 563 | /* Clear *and* disable interrupts to be on the safe side */ |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 564 | SONIC_WRITE(SONIC_IMR, 0); |
| 565 | SONIC_WRITE(SONIC_ISR, 0x7fff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | |
| 567 | /* Now look for the MAC address. */ |
| 568 | if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) |
| 569 | return -ENODEV; |
| 570 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 571 | /* Shared init code */ |
| 572 | return macsonic_init(dev); |
| 573 | } |
| 574 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 575 | static int mac_sonic_probe(struct platform_device *pdev) |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 576 | { |
| 577 | struct net_device *dev; |
| 578 | struct sonic_local *lp; |
| 579 | int err; |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 580 | |
| 581 | dev = alloc_etherdev(sizeof(struct sonic_local)); |
| 582 | if (!dev) |
| 583 | return -ENOMEM; |
| 584 | |
| 585 | lp = netdev_priv(dev); |
Finn Thain | d74472f | 2007-05-01 22:33:02 +0200 | [diff] [blame] | 586 | lp->device = &pdev->dev; |
| 587 | SET_NETDEV_DEV(dev, &pdev->dev); |
Finn Thain | 4564cba | 2009-07-21 12:21:49 -0700 | [diff] [blame] | 588 | platform_set_drvdata(pdev, dev); |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 589 | |
| 590 | /* This will catch fatal stuff like -ENOMEM as well as success */ |
| 591 | err = mac_onboard_sonic_probe(dev); |
| 592 | if (err == 0) |
| 593 | goto found; |
| 594 | if (err != -ENODEV) |
| 595 | goto out; |
| 596 | err = mac_nubus_sonic_probe(dev); |
| 597 | if (err) |
| 598 | goto out; |
| 599 | found: |
| 600 | err = register_netdev(dev); |
| 601 | if (err) |
| 602 | goto out; |
| 603 | |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 604 | printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 606 | return 0; |
| 607 | |
| 608 | out: |
| 609 | free_netdev(dev); |
| 610 | |
| 611 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | } |
| 613 | |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 614 | MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); |
| 615 | module_param(sonic_debug, int, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); |
Finn Thain | eeb9c18 | 2009-11-04 00:42:02 +1100 | [diff] [blame] | 617 | MODULE_ALIAS("platform:macsonic"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | #include "sonic.c" |
| 620 | |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 621 | static int mac_sonic_device_remove(struct platform_device *pdev) |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 622 | { |
Finn Thain | d74472f | 2007-05-01 22:33:02 +0200 | [diff] [blame] | 623 | struct net_device *dev = platform_get_drvdata(pdev); |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 624 | struct sonic_local* lp = netdev_priv(dev); |
| 625 | |
Finn Thain | d74472f | 2007-05-01 22:33:02 +0200 | [diff] [blame] | 626 | unregister_netdev(dev); |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 627 | dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), |
| 628 | lp->descriptors, lp->descriptors_laddr); |
Finn Thain | d74472f | 2007-05-01 22:33:02 +0200 | [diff] [blame] | 629 | free_netdev(dev); |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 630 | |
| 631 | return 0; |
| 632 | } |
| 633 | |
Russell King | 3ae5eae | 2005-11-09 22:32:44 +0000 | [diff] [blame] | 634 | static struct platform_driver mac_sonic_driver = { |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 635 | .probe = mac_sonic_probe, |
Bill Pemberton | 6980cbe | 2012-12-03 09:23:17 -0500 | [diff] [blame] | 636 | .remove = mac_sonic_device_remove, |
Russell King | 3ae5eae | 2005-11-09 22:32:44 +0000 | [diff] [blame] | 637 | .driver = { |
Finn Thain | eeb9c18 | 2009-11-04 00:42:02 +1100 | [diff] [blame] | 638 | .name = mac_sonic_string, |
| 639 | .owner = THIS_MODULE, |
Russell King | 3ae5eae | 2005-11-09 22:32:44 +0000 | [diff] [blame] | 640 | }, |
Finn Thain | efcce83 | 2005-08-20 15:53:22 +1000 | [diff] [blame] | 641 | }; |
| 642 | |
Axel Lin | db62f68 | 2011-11-27 16:44:17 +0000 | [diff] [blame] | 643 | module_platform_driver(mac_sonic_driver); |