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* Patch by Richard Woodruff, 19 June 03:

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- Fixed smc91c111 driver to sync with the u-boot environment (driver/smc91c111.c).
- Added eth_init error return check in NetLoop (net/net.c).
This commit is contained in:
wdenk 2003-06-19 23:58:30 +00:00
parent 6dd652fa4d
commit 0b97ab144f
4 changed files with 101 additions and 11 deletions
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7
CHANGELOG
View File

@ -2,6 +2,13 @@
Changes since U-Boot 0.3.1:
======================================================================
* * Patch by Richard Woodruff, 19 June 03:
- Fixed smc91c111 driver to sync with the u-boot environment (driver/smc91c111.c).
- Added eth_init error return check in NetLoop (net/net.c).
* Patch by Ken Chou, 17 June 2003:
Added support for A3000 SBC board (Artis Microsystems Inc.)
* Patches by Murray Jensen, 17 Jun 2003:
- Hymod board database mods: add "who" field and new xilinx chip types
- provide new "init_cmd_timeout()" function so code external to

4
CREDITS
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@ -66,6 +66,10 @@ N: Jonathan De Bruyne
E: jonathan.debruyne@siemens.atea.be
D: Port to Siemens IAD210 board
N: Ken Chou
E: kchou@ieee.org
D: Support for A3000 SBC board
N: Conn Clark
E: clark@esteem.com
D: ESTEEM192E support

98
drivers/smc91111.c
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@ -52,6 +52,7 @@
. o skeleton.c by Donald Becker ( becker@cesdis.gsfc.nasa.gov )
.
. History:
. 06/19/03 Richard Woodruff Made u-boot environment aware and added mac addr checks.
. 10/17/01 Marco Hasewinkel Modify for DNP/1110
. 07/25/01 Woojung Huh Modify for ADS Bitsy
. 04/25/01 Daris A Nevil Initial public release through SMSC
@ -176,7 +177,7 @@ void smc_destructor(void);
. The kernel calls this function when someone wants to use the device,
. typically 'ifconfig ethX up'.
*/
static int smc_open(void);
static int smc_open(bd_t *bd);
/*
@ -199,7 +200,12 @@ static void smc_phy_configure(void);
*/
static int smc_rcv(void);
/* See if a MAC address is defined in the current environment. If so use it. If not
. print a warning and set the environment and other globals with the default.
. If an EEPROM is present it really should be consulted.
*/
int smc_get_ethaddr(bd_t *bd);
int get_rom_mac(char *v_rom_mac);
/*
------------------------------------------------------------
@ -226,7 +232,7 @@ void smc_set_mac_addr(const char *addr) {
/*
* smc_get_macaddr is no longer used. If you want to override the default
* mac address, call smc_get_mac_addr as a part of the board initialisation.
* mac address, call smc_get_mac_addr as a part of the board initialization.
*/
#if 0
@ -665,14 +671,13 @@ void smc_destructor()
* Set up everything, reset the card, etc ..
*
*/
static int smc_open()
static int smc_open(bd_t *bd)
{
int i; /* used to set hw ethernet address */
int i, err;
PRINTK2("%s:smc_open\n", SMC_DEV_NAME);
/* reset the hardware */
smc_reset();
smc_enable();
@ -681,12 +686,16 @@ static int smc_open()
smc_phy_configure();
#endif
/* conservative setting (10Mbps, HalfDuplex, no AutoNeg.) */
/* SMC_SELECT_BANK(0); */
/* SMC_outw(0, RPC_REG); */
SMC_SELECT_BANK(1);
err = smc_get_ethaddr(bd); /* set smc_mac_addr, and sync it with u-boot globals */
if(err < 0){
memset(bd->bi_enetaddr, 0, 6); /* hack to make error stick! upper code will abort if not set*/
return(-1); /* upper code ignores this, but NOT bi_enetaddr */
}
#ifdef USE_32_BIT
for ( i = 0; i < 6; i += 2 ) {
@ -1385,8 +1394,7 @@ static void print_packet( byte * buf, int length )
#endif
int eth_init(bd_t *bd) {
smc_open();
return 0;
return (smc_open(bd));
}
void eth_halt() {
@ -1401,4 +1409,74 @@ int eth_send(volatile void *packet, int length) {
return smc_send_packet(packet, length);
}
int smc_get_ethaddr(bd_t *bd)
{
int env_size, rom_valid, env_present = 0, reg;
char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66";
uchar s_env_mac[64], v_env_mac[6], v_rom_mac[6];
env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
if ((env_size > 0) && (env_size < sizeof(es))) { /* exit if env is bad */
printf("\n*** ERROR: ethaddr is not set properly!!\n");
return(-1);
}
if(env_size > 0){
env_present = 1;
s = s_env_mac;
}
for (reg = 0; reg < 6; ++reg) { /* turn string into mac value */
v_env_mac[reg] = s ? simple_strtoul (s, &e, 16) : 0;
if (s)
s = (*e) ? e + 1 : e;
}
rom_valid = get_rom_mac(v_rom_mac); /* get ROM mac value if any */
if(!env_present){ /* if NO env */
if(rom_valid){ /* but ROM is valid */
v_mac = v_rom_mac;
sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X", v_mac[0],
v_mac[1] ,v_mac[2], v_mac[3],v_mac[4], v_mac[5]) ;
setenv ("ethaddr", s_env_mac);
}else{ /* no env, bad ROM */
printf("\n*** ERROR: ethaddr is NOT set !!\n");
return(-1);
}
}else /* good env, don't care ROM */
v_mac = v_env_mac; /* always use a good env over a ROM */
if(env_present && rom_valid) /* if both env and ROM are good */
if(memcmp(v_env_mac, v_rom_mac, 6) != 0){
printf("\n*** Warning: Environment and ROM MAC addresses don't match\n");
printf("*** Using Environment MAC\n");
}
memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
smc_set_mac_addr(v_mac); /* use old function to update smc default */
return(0);
}
int get_rom_mac(char *v_rom_mac)
{
int is_rom_present = 0;
#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
char hw_mac_addr[] = {0x02, 0x80, 0xad, 0x20, 0x31, 0xb8};
memcpy (v_rom_mac, hw_mac_addr, 6);
return(1);
#else
if(is_rom_present)
{
/* if eeprom contents are valid
* extract mac address into hw_mac_addr, 8 or 16 bit accesses
* memcpy (v_rom_mac, hc_mac_addr, 6);
* return(1);
*/
}
memset(v_rom_mac, 0, 6);
return(0);
#endif
}
#endif /* CONFIG_DRIVER_SMC91111 */

3
net/net.c
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@ -251,7 +251,8 @@ NetLoop(proto_t protocol)
}
eth_halt();
eth_init(bd);
if(eth_init(bd) < 0)
return(-1);
restart:
#ifdef CONFIG_NET_MULTI