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u-boot/net/eth.c
Roy Zang 1f103105a3 Implement general ULi 526x Ethernet driver support in U-boot 
This patch implements general ULi 526x Ethernet driver.
Until now, it is the only native Ethernet port on
MPC8610HPCD board, but it could be used on other boards
with ULi 526x Ethernet port as well.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Ben Warren <bwarren@qstreams.com>
2007-11-06 10:26:39 -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>
#include <miiphy.h>
#if defined(CONFIG_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 mpc512x_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 tsi108_eth_initialize(bd_t*);
extern int uli526x_initialize(bd_t *);
extern int tsec_initialize(bd_t*, int, char *);
extern int npe_initialize(bd_t *);
extern int uec_initialize(int);
extern int bfin_EMAC_initialize(bd_t *);
extern int atstk1000_eth_initialize(bd_t *);
extern int mcffec_initialize(bd_t*);
static struct eth_device *eth_devices, *eth_current;
struct eth_device *eth_get_dev(void)
{
return eth_current;
}
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;
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)
{
char enetvar[32], env_enetaddr[6];
int i, eth_number = 0;
char *tmp, *end;
eth_devices = NULL;
eth_current = NULL;
show_boot_progress (64);
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
miiphy_init();
#endif
#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
mv6436x_eth_initialize(bis);
#endif
#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
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_MPC512x_FEC)
mpc512x_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_TSEC1)
tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
#endif
#if defined(CONFIG_TSEC2)
tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
#endif
#if defined(CONFIG_MPC85XX_FEC)
tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
#else
# if defined(CONFIG_TSEC3)
tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
# endif
# if defined(CONFIG_TSEC4)
tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
# endif
#endif
#if defined(CONFIG_UEC_ETH1)
uec_initialize(0);
#endif
#if defined(CONFIG_UEC_ETH2)
uec_initialize(1);
#endif
#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
fec_initialize(bis);
#endif
#if defined(CONFIG_AU1X00)
au1x00_enet_initialize(bis);
#endif
#if defined(CONFIG_IXP4XX_NPE)
npe_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_TSI108_ETH)
tsi108_eth_initialize(bis);
#endif
#if defined(CONFIG_ULI526X)
uli526x_initialize(bis);
#endif
#if defined(CONFIG_RTL8139)
rtl8139_initialize(bis);
#endif
#if defined(CONFIG_RTL8169)
rtl8169_initialize(bis);
#endif
#if defined(CONFIG_BF537)
bfin_EMAC_initialize(bis);
#endif
#if defined(CONFIG_ATSTK1000)
atstk1000_eth_initialize(bis);
#endif
#if defined(CONFIG_MCFFEC)
mcffec_initialize(bis);
#endif
if (!eth_devices) {
puts ("No ethernet found.\n");
show_boot_progress (-64);
} else {
struct eth_device *dev = eth_devices;
char *ethprime = getenv ("ethprime");
show_boot_progress (65);
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,
enetaddr[0], enetaddr[1],
enetaddr[2], enetaddr[3],
enetaddr[4], enetaddr[5]);
memcpy(dev->enetaddr, enetaddr, 6);
}
#ifdef CONFIG_MCAST_TFTP
/* Multicast.
* mcast_addr: multicast ipaddr from which multicast Mac is made
* join: 1=join, 0=leave.
*/
int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
{
u8 mcast_mac[6];
if (!eth_current || !eth_current->mcast)
return -1;
mcast_mac[5] = htonl(mcast_ip) & 0xff;
mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
mcast_mac[2] = 0x5e;
mcast_mac[1] = 0x0;
mcast_mac[0] = 0x1;
return eth_current->mcast(eth_current, mcast_mac, join);
}
/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
* and this is the ethernet-crc method needed for TSEC -- and perhaps
* some other adapter -- hash tables
*/
#define CRCPOLY_LE 0xedb88320
u32 ether_crc (size_t len, unsigned char const *p)
{
int i;
u32 crc;
crc = ~0;
while (len--) {
crc ^= *p++;
for (i = 0; i < 8; i++)
crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
}
/* an reverse the bits, cuz of way they arrive -- last-first */
crc = (crc >> 16) | (crc << 16);
crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
return crc;
}
#endif
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");
}
#elif defined(CONFIG_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);
extern int dm644x_eth_miiphy_initialize(bd_t *bis);
int eth_initialize(bd_t *bis)
{
#if defined(CONFIG_MII) || defined(CONFIG_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
#if defined(CONFIG_DRIVER_TI_EMAC)
dm644x_eth_miiphy_initialize(bis);
#endif
return 0;
}
#endif
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