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uboot-1.1.4-kirkwood/net/eth.c

536 lines
12 KiB
C

/*
* (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>
#include <miiphy.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 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 *);
extern int mv_eth_initialize(bd_t *);
#ifdef MV78200
extern int mvSocUnitIsMappedToThisCpu(int unit);
#define GIGA0 4
#endif
extern unsigned int whoAmI(void);
static struct eth_device *eth_devices;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
static struct eth_device *eth_current[2];
static char* ethact[2] = {"ethact", "ethact2"};
#else
static struct eth_device *eth_current[1];
static char* ethact[1] = {"ethact"};
#endif
struct eth_device *eth_get_dev(void)
{
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
return eth_current[cpu];
}
struct eth_device *eth_get_dev_by_name(char *devname)
{
struct eth_device *dev, *target_dev;
if (!eth_devices)
return NULL;
dev = eth_devices;
target_dev = NULL;
do {
if (strcmp(devname, dev->name) == 0) {
target_dev = dev;
break;
}
dev = dev->next;
} while (dev != eth_devices);
return target_dev;
}
int eth_get_dev_index (void)
{
struct eth_device *dev;
int num = 0;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_devices) {
return (-1);
}
for (dev = eth_devices; dev; dev = dev->next) {
if (dev == eth_current[cpu])
break;
++num;
}
if (dev) {
return (num);
}
return (0);
}
int eth_register(struct eth_device* dev)
{
struct eth_device *d;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_devices) {
eth_current[cpu] = eth_devices = dev;
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
{
char *act = getenv(ethact[cpu]);
if (act == NULL || strcmp(act, eth_current[cpu]->name) != 0)
setenv(ethact[cpu], eth_current[cpu]->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)
{
int eth_number = 0;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
eth_devices = NULL;
eth_current[cpu] = NULL;
#ifdef CONFIG_MARVELL
#if defined(MV_INCLUDE_GIG_ETH) || defined(MV_INCLUDE_UNM_ETH)
/* move to the begining so in case we have a PCI NIC it will
read the env mac addresses correctlly. */
mv_eth_initialize(bis);
#endif
#endif
#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
miiphy_init();
#endif
#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_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
ppc_4xx_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(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(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
fec_initialize(bis);
#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[cpu] = dev;
puts (" [PRIME]");
}
#ifndef CONFIG_MARVELL
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);
}
#endif
eth_number++;
dev = dev->next;
} while(dev != eth_devices);
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
if (eth_current[cpu]) {
char *act = getenv(ethact[cpu]);
if (act == NULL || strcmp(act, eth_current[cpu]->name) != 0)
setenv(ethact[cpu], eth_current[cpu]->name);
} else
setenv(ethact[cpu], 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,
enetaddr[0], enetaddr[1],
enetaddr[2], enetaddr[3],
enetaddr[4], enetaddr[5]);
memcpy(dev->enetaddr, enetaddr, 6);
}
int eth_init(bd_t *bis)
{
struct eth_device* old_current;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu])
return 0;
old_current = eth_current[cpu];
do {
debug ("Trying %s\n", eth_current[cpu]->name);
if (eth_current[cpu]->init(eth_current[cpu], bis)) {
eth_current[cpu]->state = ETH_STATE_ACTIVE;
return 1;
}
debug ("FAIL\n");
eth_try_another(0);
} while (old_current != eth_current[cpu]);
return 0;
}
void eth_halt(void)
{
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu])
return;
eth_current[cpu]->halt(eth_current[cpu]);
eth_current[cpu]->state = ETH_STATE_PASSIVE;
}
int eth_send(volatile void *packet, int length)
{
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu])
return -1;
return eth_current[cpu]->send(eth_current[cpu], packet, length);
}
int eth_rx(void)
{
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu])
return -1;
return eth_current[cpu]->recv(eth_current[cpu]);
}
void eth_try_another(int first_restart)
{
static struct eth_device *first_failed = NULL;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu])
return;
if (first_restart) {
first_failed = eth_current[cpu];
}
eth_current[cpu] = eth_current[cpu]->next;
#ifdef CONFIG_NET_MULTI
/* update current ethernet name */
{
char *act = getenv(ethact[cpu]);
if (act == NULL || strcmp(act, eth_current[cpu]->name) != 0)
setenv(ethact[cpu], eth_current[cpu]->name);
}
#endif
if (first_failed == eth_current[cpu]) {
NetRestartWrap = 1;
}
}
#ifdef CONFIG_NET_MULTI
void eth_set_current(void)
{
char *act;
struct eth_device* old_current;
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
if (!eth_current[cpu]) /* XXX no current */
return;
act = getenv(ethact[cpu]);
if (act != NULL) {
old_current = eth_current[cpu];
do {
if (strcmp(eth_current[cpu]->name, act) == 0)
return;
eth_current[cpu] = eth_current[cpu]->next;
} while (old_current != eth_current[cpu]);
}
setenv(ethact[cpu], eth_current[cpu]->name);
}
#endif
char *eth_get_name (void)
{
unsigned int cpu = 0;
#if defined(MV78200) && defined(DUAL_OS_SHARED_MEM_78200)
cpu = whoAmI();
#endif
return (eth_current[cpu] ? eth_current[cpu]->name : "unknown");
}
#elif (CONFIG_COMMANDS & CFG_CMD_NET) && !defined(CONFIG_NET_MULTI)
extern int at91rm9200_miiphy_initialize(bd_t *bis);
extern int emac4xx_miiphy_initialize(bd_t *bis);
extern int mcf52x2_miiphy_initialize(bd_t *bis);
extern int ns7520_miiphy_initialize(bd_t *bis);
int eth_initialize(bd_t *bis)
{
#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
miiphy_init();
#endif
#if defined(CONFIG_AT91RM9200)
at91rm9200_miiphy_initialize(bis);
#endif
#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
&& !defined(CONFIG_AP1000) && !defined(CONFIG_405)
emac4xx_miiphy_initialize(bis);
#endif
#if defined(CONFIG_MCF52x2)
mcf52x2_miiphy_initialize(bis);
#endif
#if defined(CONFIG_NETARM)
ns7520_miiphy_initialize(bis);
#endif
return 0;
}
#endif