X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fmac8390.c;h=f8fa0c3f0f6408d5761f17f402372f0e9a49a8ee;hb=a044a1b147a1c967e1a4b797c3e24c395f3d878a;hp=06cb460361a81432160cdaa841bcaad316184350;hpb=09cc07a5c7996192cc19c79c8aac5a4a22528059;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index 06cb460..f8fa0c3 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -7,13 +7,15 @@ This software may be used and distributed according to the terms of the GNU Public License, incorporated herein by reference. */ -/* 2000-02-28: support added for Dayna and Kinetics cards by +/* 2000-02-28: support added for Dayna and Kinetics cards by A.G.deWijn@phys.uu.nl */ /* 2000-04-04: support added for Dayna2 by bart@etpmod.phys.tue.nl */ /* 2001-04-18: support for DaynaPort E/LC-M by rayk@knightsmanor.org */ /* 2001-05-15: support for Cabletron ported from old daynaport driver - * and fixed access to Sonic Sys card which masquerades as a Farallon + * and fixed access to Sonic Sys card which masquerades as a Farallon * by rayk@knightsmanor.org */ +/* 2002-12-30: Try to support more cards, some clues from NetBSD driver */ +/* 2003-12-26: Make sure Asante cards always work. */ #include #include @@ -39,7 +41,16 @@ #include #include -#include "8390.h" +static char version[] = + "mac8390.c: v0.4 2001-05-15 David Huggins-Daines and others\n"; + +#define EI_SHIFT(x) (ei_local->reg_offset[x]) +#define ei_inb(port) in_8(port) +#define ei_outb(val,port) out_8(port,val) +#define ei_inb_p(port) in_8(port) +#define ei_outb_p(val,port) out_8(port,val) + +#include "lib8390.c" #define WD_START_PG 0x00 /* First page of TX buffer */ #define CABLETRON_RX_START_PG 0x00 /* First page of RX buffer */ @@ -52,25 +63,21 @@ #define DAYNA_8390_BASE 0x80000 #define DAYNA_8390_MEM 0x00000 -#define KINETICS_8390_BASE 0x80000 -#define KINETICS_8390_MEM 0x00000 - -#define CABLETRON_8390_BASE 0x90000 +#define CABLETRON_8390_BASE 0x90000 #define CABLETRON_8390_MEM 0x00000 +#define INTERLAN_8390_BASE 0xE0000 +#define INTERLAN_8390_MEM 0xD0000 + enum mac8390_type { MAC8390_NONE = -1, MAC8390_APPLE, MAC8390_ASANTE, - MAC8390_FARALLON, /* Apple, Asante, and Farallon are all compatible */ + MAC8390_FARALLON, MAC8390_CABLETRON, MAC8390_DAYNA, MAC8390_INTERLAN, MAC8390_KINETICS, - MAC8390_FOCUS, - MAC8390_SONICSYS, - MAC8390_DAYNA2, - MAC8390_DAYNA3, }; static const char * cardname[] = { @@ -81,10 +88,6 @@ static const char * cardname[] = { "dayna", "interlan", "kinetics", - "focus", - "sonic systems", - "dayna2", - "dayna_lc", }; static int word16[] = { @@ -95,10 +98,6 @@ static int word16[] = { 0, /* dayna */ 1, /* interlan */ 0, /* kinetics */ - 1, /* focus (??) */ - 1, /* sonic systems */ - 1, /* dayna2 */ - 1, /* dayna-lc */ }; /* on which cards do we use NuBus resources? */ @@ -110,17 +109,14 @@ static int useresources[] = { 0, /* dayna */ 0, /* interlan */ 0, /* kinetics */ - 0, /* focus (??) */ - 1, /* sonic systems */ - 1, /* dayna2 */ - 1, /* dayna-lc */ }; -static char version[] __initdata = - "mac8390.c: v0.4 2001-05-15 David Huggins-Daines and others\n"; - -extern enum mac8390_type mac8390_ident(struct nubus_dev * dev); -extern int mac8390_memsize(unsigned long membase); +enum mac8390_access { + ACCESS_UNKNOWN = 0, + ACCESS_32, + ACCESS_16, +}; + extern int mac8390_memtest(struct net_device * dev); static int mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev, enum mac8390_type type); @@ -128,8 +124,9 @@ static int mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev, static int mac8390_open(struct net_device * dev); static int mac8390_close(struct net_device * dev); static void mac8390_no_reset(struct net_device *dev); +static void interlan_reset(struct net_device *dev); -/* Sane (32-bit chunk memory read/write) - Apple/Asante/Farallon do this*/ +/* Sane (32-bit chunk memory read/write) - Some Farallon and Apple do this*/ static void sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); static void sane_block_input(struct net_device * dev, int count, @@ -164,30 +161,100 @@ static void slow_sane_block_output(struct net_device *dev, int count, static void word_memcpy_tocard(void *tp, const void *fp, int count); static void word_memcpy_fromcard(void *tp, const void *fp, int count); -enum mac8390_type __init mac8390_ident(struct nubus_dev * dev) +static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev) { - if (dev->dr_sw == NUBUS_DRSW_ASANTE) - return MAC8390_ASANTE; - if (dev->dr_sw == NUBUS_DRSW_FARALLON) - return MAC8390_FARALLON; - if (dev->dr_sw == NUBUS_DRSW_KINETICS) - return MAC8390_KINETICS; - if (dev->dr_sw == NUBUS_DRSW_DAYNA) - return MAC8390_DAYNA; - if (dev->dr_sw == NUBUS_DRSW_DAYNA2) - return MAC8390_DAYNA2; - if (dev->dr_sw == NUBUS_DRSW_DAYNA_LC) - return MAC8390_DAYNA3; - if (dev->dr_hw == NUBUS_DRHW_CABLETRON) - return MAC8390_CABLETRON; + switch (dev->dr_sw) { + case NUBUS_DRSW_3COM: + switch (dev->dr_hw) { + case NUBUS_DRHW_APPLE_SONIC_NB: + case NUBUS_DRHW_APPLE_SONIC_LC: + case NUBUS_DRHW_SONNET: + return MAC8390_NONE; + break; + default: + return MAC8390_APPLE; + break; + } + break; + + case NUBUS_DRSW_APPLE: + switch (dev->dr_hw) { + case NUBUS_DRHW_ASANTE_LC: + return MAC8390_NONE; + break; + case NUBUS_DRHW_CABLETRON: + return MAC8390_CABLETRON; + break; + default: + return MAC8390_APPLE; + break; + } + break; + + case NUBUS_DRSW_ASANTE: + return MAC8390_ASANTE; + break; + + case NUBUS_DRSW_TECHWORKS: + case NUBUS_DRSW_DAYNA2: + case NUBUS_DRSW_DAYNA_LC: + if (dev->dr_hw == NUBUS_DRHW_CABLETRON) + return MAC8390_CABLETRON; + else + return MAC8390_APPLE; + break; + + case NUBUS_DRSW_FARALLON: + return MAC8390_FARALLON; + break; + + case NUBUS_DRSW_KINETICS: + switch (dev->dr_hw) { + case NUBUS_DRHW_INTERLAN: + return MAC8390_INTERLAN; + break; + default: + return MAC8390_KINETICS; + break; + } + break; + + case NUBUS_DRSW_DAYNA: + // These correspond to Dayna Sonic cards + // which use the macsonic driver + if (dev->dr_hw == NUBUS_DRHW_SMC9194 || + dev->dr_hw == NUBUS_DRHW_INTERLAN ) + return MAC8390_NONE; + else + return MAC8390_DAYNA; + break; + } return MAC8390_NONE; } -int __init mac8390_memsize(unsigned long membase) +static enum mac8390_access __init mac8390_testio(volatile unsigned long membase) +{ + unsigned long outdata = 0xA5A0B5B0; + unsigned long indata = 0x00000000; + /* Try writing 32 bits */ + memcpy((char *)membase, (char *)&outdata, 4); + /* Now compare them */ + if (memcmp((char *)&outdata, (char *)membase, 4) == 0) + return ACCESS_32; + /* Write 16 bit output */ + word_memcpy_tocard((char *)membase, (char *)&outdata, 4); + /* Now read it back */ + word_memcpy_fromcard((char *)&indata, (char *)membase, 4); + if (outdata == indata) + return ACCESS_16; + return ACCESS_UNKNOWN; +} + +static int __init mac8390_memsize(unsigned long membase) { unsigned long flags; int i, j; - + local_irq_save(flags); /* Check up to 32K in 4K increments */ for (i = 0; i < 8; i++) { @@ -197,7 +264,7 @@ int __init mac8390_memsize(unsigned long membase) RAM end located */ if (hwreg_present(m) == 0) break; - + /* write a distinctive byte */ *m = 0xA5A0 | i; /* check that we read back what we wrote */ @@ -224,7 +291,7 @@ struct net_device * __init mac8390_probe(int unit) int version_disp = 0; struct nubus_dev * ndev = NULL; int err = -ENODEV; - + struct nubus_dir dir; struct nubus_dirent ent; int offset; @@ -237,15 +304,13 @@ struct net_device * __init mac8390_probe(int unit) if (!MACH_IS_MAC) return ERR_PTR(-ENODEV); - dev = alloc_ei_netdev(); + dev = ____alloc_ei_netdev(0); if (!dev) return ERR_PTR(-ENOMEM); if (unit >= 0) sprintf(dev->name, "eth%d", unit); - SET_MODULE_OWNER(dev); - while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET, ndev))) { /* Have we seen it already? */ if (slots & (1<board->slot)) @@ -273,7 +338,7 @@ struct net_device * __init mac8390_probe(int unit) dev->name, ndev->board->slot); continue; } - + /* Get the MAC address */ if ((nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent)) == -1) { printk(KERN_INFO "%s: Couldn't get MAC address!\n", @@ -281,16 +346,8 @@ struct net_device * __init mac8390_probe(int unit) continue; } else { nubus_get_rsrc_mem(dev->dev_addr, &ent, 6); - /* Some Sonic Sys cards masquerade as Farallon */ - if (cardtype == MAC8390_FARALLON && - dev->dev_addr[0] == 0x0 && - dev->dev_addr[1] == 0x40 && - dev->dev_addr[2] == 0x10) { - /* This is really Sonic Sys card */ - cardtype = MAC8390_SONICSYS; - } } - + if (useresources[cardtype] == 1) { nubus_rewinddir(&dir); if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS, &ent) == -1) { @@ -318,16 +375,27 @@ struct net_device * __init mac8390_probe(int unit) switch (cardtype) { case MAC8390_KINETICS: case MAC8390_DAYNA: /* it's the same */ - dev->base_addr = + dev->base_addr = (int)(ndev->board->slot_addr + DAYNA_8390_BASE); - dev->mem_start = + dev->mem_start = (int)(ndev->board->slot_addr + DAYNA_8390_MEM); dev->mem_end = dev->mem_start + mac8390_memsize(dev->mem_start); break; + case MAC8390_INTERLAN: + dev->base_addr = + (int)(ndev->board->slot_addr + + INTERLAN_8390_BASE); + dev->mem_start = + (int)(ndev->board->slot_addr + + INTERLAN_8390_MEM); + dev->mem_end = + dev->mem_start + + mac8390_memsize(dev->mem_start); + break; case MAC8390_CABLETRON: dev->base_addr = (int)(ndev->board->slot_addr + @@ -343,15 +411,15 @@ struct net_device * __init mac8390_probe(int unit) */ i = (void *)dev->base_addr; *i = 0x21; - dev->mem_end = + dev->mem_end = dev->mem_start + mac8390_memsize(dev->mem_start); break; - + default: printk(KERN_ERR "Card type %s is" - " unsupported, sorry\n", - cardname[cardtype]); + " unsupported, sorry\n", + ndev->board->name); continue; } } @@ -410,6 +478,21 @@ void cleanup_module(void) #endif /* MODULE */ +static const struct net_device_ops mac8390_netdev_ops = { + .ndo_open = mac8390_open, + .ndo_stop = mac8390_close, + .ndo_start_xmit = __ei_start_xmit, + .ndo_tx_timeout = __ei_tx_timeout, + .ndo_get_stats = __ei_get_stats, + .ndo_set_multicast_list = __ei_set_multicast_list, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = __ei_poll, +#endif +}; + static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev, enum mac8390_type type) { @@ -432,14 +515,10 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd 24, 26, 28, 30 }; - int access_bitmode; - + int access_bitmode = 0; + /* Now fill in our stuff */ - dev->open = &mac8390_open; - dev->stop = &mac8390_close; -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; -#endif + dev->netdev_ops = &mac8390_netdev_ops; /* GAR, ei_status is actually a macro even though it looks global */ ei_status.name = cardname[type]; @@ -459,32 +538,50 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd ei_status.rmem_start = dev->mem_start + TX_PAGES*256; ei_status.rmem_end = dev->mem_end; } - + /* Fill in model-specific information and functions */ switch(type) { - case MAC8390_SONICSYS: - /* 16 bit card, register map is reversed */ - ei_status.reset_8390 = &mac8390_no_reset; - ei_status.block_input = &slow_sane_block_input; - ei_status.block_output = &slow_sane_block_output; - ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; - ei_status.reg_offset = back4_offsets; - access_bitmode = 0; - break; case MAC8390_FARALLON: case MAC8390_APPLE: + switch(mac8390_testio(dev->mem_start)) { + case ACCESS_UNKNOWN: + printk("Don't know how to access card memory!\n"); + return -ENODEV; + break; + + case ACCESS_16: + /* 16 bit card, register map is reversed */ + ei_status.reset_8390 = &mac8390_no_reset; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; + ei_status.reg_offset = back4_offsets; + break; + + case ACCESS_32: + /* 32 bit card, register map is reversed */ + ei_status.reset_8390 = &mac8390_no_reset; + ei_status.block_input = &sane_block_input; + ei_status.block_output = &sane_block_output; + ei_status.get_8390_hdr = &sane_get_8390_hdr; + ei_status.reg_offset = back4_offsets; + access_bitmode = 1; + break; + } + break; + case MAC8390_ASANTE: - case MAC8390_DAYNA2: - case MAC8390_DAYNA3: - /* 32 bit card, register map is reversed */ - /* sane */ + /* Some Asante cards pass the 32 bit test + * but overwrite system memory when run at 32 bit. + * so we run them all at 16 bit. + */ ei_status.reset_8390 = &mac8390_no_reset; - ei_status.block_input = &sane_block_input; - ei_status.block_output = &sane_block_output; - ei_status.get_8390_hdr = &sane_get_8390_hdr; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; ei_status.reg_offset = back4_offsets; - access_bitmode = 1; break; + case MAC8390_CABLETRON: /* 16 bit card, register map is short forward */ ei_status.reset_8390 = &mac8390_no_reset; @@ -492,58 +589,60 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd ei_status.block_output = &slow_sane_block_output; ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; ei_status.reg_offset = fwrd2_offsets; - access_bitmode = 0; break; + case MAC8390_DAYNA: case MAC8390_KINETICS: - /* 16 bit memory */ + /* 16 bit memory, register map is forward */ /* dayna and similar */ ei_status.reset_8390 = &mac8390_no_reset; ei_status.block_input = &dayna_block_input; ei_status.block_output = &dayna_block_output; ei_status.get_8390_hdr = &dayna_get_8390_hdr; ei_status.reg_offset = fwrd4_offsets; - access_bitmode = 0; break; + + case MAC8390_INTERLAN: + /* 16 bit memory, register map is forward */ + ei_status.reset_8390 = &interlan_reset; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; + ei_status.reg_offset = fwrd4_offsets; + break; + default: - printk(KERN_ERR "Card type %s is unsupported, sorry\n", cardname[type]); + printk(KERN_ERR "Card type %s is unsupported, sorry\n", ndev->board->name); return -ENODEV; } - - NS8390_init(dev, 0); + + __NS8390_init(dev, 0); /* Good, done, now spit out some messages */ printk(KERN_INFO "%s: %s in slot %X (type %s)\n", - dev->name, ndev->board->name, ndev->board->slot, cardname[type]); - printk(KERN_INFO "MAC "); - { - int i; - for (i = 0; i < 6; i++) { - printk("%2.2x", dev->dev_addr[i]); - if (i < 5) - printk(":"); - } - } - printk(" IRQ %d, shared memory at %#lx-%#lx, %d-bit access.\n", - dev->irq, dev->mem_start, dev->mem_end-1, - access_bitmode?32:16); + dev->name, ndev->board->name, ndev->board->slot, cardname[type]); + printk(KERN_INFO + "MAC %pM IRQ %d, %d KB shared memory at %#lx, %d-bit access.\n", + dev->dev_addr, dev->irq, + (unsigned int)(dev->mem_end - dev->mem_start) >> 10, + dev->mem_start, access_bitmode ? 32 : 16); return 0; } static int mac8390_open(struct net_device *dev) { - ei_open(dev); - if (request_irq(dev->irq, ei_interrupt, 0, "8390 Ethernet", dev)) { + __ei_open(dev); + if (request_irq(dev->irq, __ei_interrupt, 0, "8390 Ethernet", dev)) { printk ("%s: unable to get IRQ %d.\n", dev->name, dev->irq); return -EAGAIN; - } + } return 0; } static int mac8390_close(struct net_device *dev) { free_irq(dev->irq, dev); - ei_close(dev); + __ei_close(dev); return 0; } @@ -555,6 +654,18 @@ static void mac8390_no_reset(struct net_device *dev) return; } +static void interlan_reset(struct net_device *dev) +{ + unsigned char *target=nubus_slot_addr(IRQ2SLOT(dev->irq)); + if (ei_debug > 1) + printk("Need to reset the NS8390 t=%lu...", jiffies); + ei_status.txing = 0; + target[0xC0000] = 0; + if (ei_debug > 1) + printk("reset complete\n"); + return; +} + /* dayna_memcpy_fromio/dayna_memcpy_toio */ /* directly from daynaport.c by Alan Cox */ static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from, int count) @@ -639,7 +750,7 @@ static void sane_block_output(struct net_device *dev, int count, const unsigned char *buf, int start_page) { long shmem = (start_page - WD_START_PG)<<8; - + memcpy_toio((char *)dev->mem_start + shmem, buf, count); } @@ -681,12 +792,12 @@ static void dayna_block_output(struct net_device *dev, int count, const unsigned int start_page) { long shmem = (start_page - WD_START_PG)<<8; - + dayna_memcpy_tocard(dev, shmem, buf, count); } /* Cabletron block I/O */ -static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, +static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) { unsigned long hdr_start = (ring_page - WD_START_PG)<<8; @@ -750,4 +861,4 @@ static void word_memcpy_fromcard(void *tp, const void *fp, int count) *to++=*from++; } - +