/* * (C) Copyright 2001, 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <command.h> #include <net.h> #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) #ifdef CFG_GT_6426x extern int gt6426x_eth_initialize(bd_t *bis); #endif extern int eepro100_initialize(bd_t*); extern int natsemi_initialize(bd_t*); extern int ns8382x_initialize(bd_t*); extern int dc21x4x_initialize(bd_t*); extern int eth_3com_initialize(bd_t*); extern int pcnet_initialize(bd_t*); extern int fec_initialize(bd_t*); extern int scc_initialize(bd_t*); extern int inca_switch_initialize(bd_t*); static struct eth_device *eth_devices, *eth_current; struct eth_device *eth_get_dev(void) { return eth_current; } int eth_get_dev_index (void) { struct eth_device *dev; int num = 0; if (!eth_devices) { return (-1); } for (dev = eth_devices; dev; dev = dev->next) { if (dev == eth_current) break; ++num; } if (dev) { return (num); } return (0); } int eth_register(struct eth_device* dev) { struct eth_device *d; if (!eth_devices) { eth_current = eth_devices = dev; } else { for (d=eth_devices; d->next!=eth_devices; d=d->next); d->next = dev; } dev->state = ETH_STATE_INIT; dev->next = eth_devices; return 0; } int eth_initialize(bd_t *bis) { unsigned char enetvar[32], env_enetaddr[6]; int i, eth_number = 0; char *tmp, *end; eth_devices = NULL; eth_current = NULL; #ifdef CONFIG_INCA_IP_SWITCH inca_switch_initialize(bis); #endif #ifdef CONFIG_EEPRO100 eepro100_initialize(bis); #endif #ifdef CONFIG_TULIP dc21x4x_initialize(bis); #endif #ifdef CONFIG_3COM eth_3com_initialize(bis); #endif #ifdef CONFIG_PCNET pcnet_initialize(bis); #endif #ifdef CFG_GT_6426x gt6426x_eth_initialize(bis); #endif #ifdef CONFIG_NATSEMI natsemi_initialize(bis); #endif #ifdef CONFIG_NS8382X ns8382x_initialize(bis); #endif #ifdef SCC_ENET scc_initialize(bis); #endif #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC) fec_initialize(bis); #endif if (!eth_devices) { puts ("No ethernet found.\n"); } else { struct eth_device *dev = eth_devices; char *ethprime = getenv ("ethprime"); do { if (eth_number) puts (", "); printf("%s", dev->name); if (ethprime && strcmp (dev->name, ethprime) == 0) { eth_current = dev; puts (" [PRIME]"); } sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); tmp = getenv (enetvar); for (i=0; i<6; i++) { env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; if (tmp) tmp = (*end) ? end+1 : end; } if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && memcmp(dev->enetaddr, env_enetaddr, 6)) { printf("\nWarning: %s MAC addresses don't match:\n", dev->name); printf("Address in SROM is " "%02X:%02X:%02X:%02X:%02X:%02X\n", dev->enetaddr[0], dev->enetaddr[1], dev->enetaddr[2], dev->enetaddr[3], dev->enetaddr[4], dev->enetaddr[5]); printf("Address in environment is " "%02X:%02X:%02X:%02X:%02X:%02X\n", env_enetaddr[0], env_enetaddr[1], env_enetaddr[2], env_enetaddr[3], env_enetaddr[4], env_enetaddr[5]); } memcpy(dev->enetaddr, env_enetaddr, 6); } eth_number++; dev = dev->next; } while(dev != eth_devices); putc ('\n'); } return eth_number; } void eth_set_enetaddr(int num, char *addr) { struct eth_device *dev; unsigned char enetaddr[6]; char *end; int i; #ifdef DEBUG printf("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); #endif if (!eth_devices) return; for (i=0; i<6; i++) { enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; if (addr) addr = (*end) ? end+1 : end; } dev = eth_devices; while(num-- > 0) { dev = dev->next; if (dev == eth_devices) return; } #ifdef DEBUG printf("Setting new HW address on %s\n", dev->name); printf("New Address is " "%02X:%02X:%02X:%02X:%02X:%02X\n", dev->enetaddr[0], dev->enetaddr[1], dev->enetaddr[2], dev->enetaddr[3], dev->enetaddr[4], dev->enetaddr[5]); #endif memcpy(dev->enetaddr, enetaddr, 6); } int eth_init(bd_t *bis) { struct eth_device* old_current; if (!eth_current) return 0; old_current = eth_current; do { #ifdef DEBUG printf("Trying %s\n", eth_current->name); #endif if (eth_current->init(eth_current, bis)) { eth_current->state = ETH_STATE_ACTIVE; return 1; } #ifdef DEBUG puts ("FAIL\n"); #endif eth_try_another(0); } while (old_current != eth_current); return 0; } void eth_halt(void) { if (!eth_current) return; eth_current->halt(eth_current); eth_current->state = ETH_STATE_PASSIVE; } int eth_send(volatile void *packet, int length) { if (!eth_current) return -1; return eth_current->send(eth_current, packet, length); } int eth_rx(void) { if (!eth_current) return -1; return eth_current->recv(eth_current); } void eth_try_another(int first_restart) { static struct eth_device *first_failed = NULL; if (!eth_current) return; if (first_restart) { first_failed = eth_current; } eth_current = eth_current->next; if (first_failed == eth_current) { NetRestartWrap = 1; } } #endif