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u-boot/net/eth.c
Eran Liberty f046ccd15c * Patch by Eran Liberty 
Add support for the Freescale MPC8349ADS board.
2005-07-28 10:08:46 -05:00

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/*
* (C) Copyright 2001-2004
* 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 au1x00_enet_initialize(bd_t*);
extern int dc21x4x_initialize(bd_t*);
extern int e1000_initialize(bd_t*);
extern int eepro100_initialize(bd_t*);
extern int eth_3com_initialize(bd_t*);
extern int fec_initialize(bd_t*);
extern int inca_switch_initialize(bd_t*);
extern int mpc5xxx_fec_initialize(bd_t*);
extern int mpc8220_fec_initialize(bd_t*);
extern int mv6436x_eth_initialize(bd_t *);
extern int mv6446x_eth_initialize(bd_t *);
extern int natsemi_initialize(bd_t*);
extern int ns8382x_initialize(bd_t*);
extern int pcnet_initialize(bd_t*);
extern int plb2800_eth_initialize(bd_t*);
extern int ppc_4xx_eth_initialize(bd_t *);
extern int ppc_440x_eth_initialize(bd_t *);
extern int rtl8139_initialize(bd_t*);
extern int rtl8169_initialize(bd_t*);
extern int scc_initialize(bd_t*);
extern int skge_initialize(bd_t*);
extern int tsec_initialize(bd_t*, int, char *);
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;
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
{
char *act = getenv("ethact");
if (act == NULL || strcmp(act, eth_current->name) != 0)
setenv("ethact", eth_current->name);
}
#endif
} 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_DB64360
mv6436x_eth_initialize(bis);
#endif
#ifdef CONFIG_CPCI750
mv6436x_eth_initialize(bis);
#endif
#ifdef CONFIG_DB64460
mv6446x_eth_initialize(bis);
#endif
#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
( defined(CONFIG_440) && !defined(CONFIG_NET_MULTI) )
ppc_4xx_eth_initialize(bis);
#endif
#if defined(CONFIG_440) && defined(CONFIG_NET_MULTI)
ppc_440x_eth_initialize(bis);
#endif
#ifdef CONFIG_INCA_IP_SWITCH
inca_switch_initialize(bis);
#endif
#ifdef CONFIG_PLB2800_ETHER
plb2800_eth_initialize(bis);
#endif
#ifdef SCC_ENET
scc_initialize(bis);
#endif
#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
fec_initialize(bis);
#endif
#if defined(CONFIG_MPC5xxx_FEC)
mpc5xxx_fec_initialize(bis);
#endif
#if defined(CONFIG_MPC8220_FEC)
mpc8220_fec_initialize(bis);
#endif
#if defined(CONFIG_SK98)
skge_initialize(bis);
#endif
#if defined(CONFIG_MPC85XX_TSEC1)
tsec_initialize(bis, 0, CONFIG_MPC85XX_TSEC1_NAME);
#elif defined(CONFIG_MPC83XX_TSEC1)
tsec_initialize(bis, 0, CONFIG_MPC83XX_TSEC1_NAME);
#endif
#if defined(CONFIG_MPC85XX_TSEC2)
tsec_initialize(bis, 1, CONFIG_MPC85XX_TSEC2_NAME);
#elif defined(CONFIG_MPC83XX_TSEC2)
tsec_initialize(bis, 1, CONFIG_MPC83XX_TSEC2_NAME);
#endif
#if defined(CONFIG_MPC85XX_FEC)
tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
#else
# if defined(CONFIG_MPC85XX_TSEC3)
tsec_initialize(bis, 2, CONFIG_MPC85XX_TSEC3_NAME);
# elif defined(CONFIG_MPC83XX_TSEC3)
tsec_initialize(bis, 2, CONFIG_MPC83XX_TSEC3_NAME);
# endif
# if defined(CONFIG_MPC85XX_TSEC4)
tsec_initialize(bis, 3, CONFIG_MPC85XX_TSEC4_NAME);
# elif defined(CONFIG_MPC83XX_TSEC4)
tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME);
# endif
#endif
#if defined(CONFIG_AU1X00)
au1x00_enet_initialize(bis);
#endif
#ifdef CONFIG_E1000
e1000_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
#if defined(CONFIG_RTL8139)
rtl8139_initialize(bis);
#endif
#if defined(CONFIG_RTL8169)
rtl8169_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);
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
if (eth_current) {
char *act = getenv("ethact");
if (act == NULL || strcmp(act, eth_current->name) != 0)
setenv("ethact", eth_current->name);
} else
setenv("ethact", NULL);
#endif
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;
debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
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;
}
debug ( "Setting new HW address on %s\n"
"New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
dev->name,
dev->enetaddr[0], dev->enetaddr[1],
dev->enetaddr[2], dev->enetaddr[3],
dev->enetaddr[4], dev->enetaddr[5]);
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 {
debug ("Trying %s\n", eth_current->name);
if (eth_current->init(eth_current, bis)) {
eth_current->state = ETH_STATE_ACTIVE;
return 1;
}
debug ("FAIL\n");
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;
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
{
char *act = getenv("ethact");
if (act == NULL || strcmp(act, eth_current->name) != 0)
setenv("ethact", eth_current->name);
}
#endif
if (first_failed == eth_current) {
NetRestartWrap = 1;
}
}
#ifdef CONFIG_NET_MULTI
void eth_set_current(void)
{
char *act;
struct eth_device* old_current;
if (!eth_current) /* XXX no current */
return;
act = getenv("ethact");
if (act != NULL) {
old_current = eth_current;
do {
if (strcmp(eth_current->name, act) == 0)
return;
eth_current = eth_current->next;
} while (old_current != eth_current);
}
setenv("ethact", eth_current->name);
}
#endif
char *eth_get_name (void)
{
return (eth_current ? eth_current->name : "unknown");
}
#endif
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