Patch by Dave Peverley, 29 Apr 2004:
add MAC address detection to smc91111 driver
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wdenk
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17ea117743
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5ca2679933
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@ -2,6 +2,12 @@
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Changes since U-Boot 1.1.1:
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======================================================================
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* Patch by Dave Peverley, 29 Apr 2004:
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add MAC address detection to smc91111 driver
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* Patch by David Müller, 28 Apr 2004:
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fix typo in lib_arm/board.c
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* Patch by Tolunay Orkun, 20 Apr 2004:
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- README update: add CONFIG_CSB272 and csb272_config
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- add descriptions for some MII/PHY options, CONFIG_I2CFAST, and
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@ -162,7 +162,7 @@ void smc_destructor (void);
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* The kernel calls this function when someone wants to use the device,
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* typically 'ifconfig ethX up'.
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*/
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static int smc_open (void);
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static int smc_open (bd_t *bd);
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/*
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@ -178,6 +178,12 @@ static int smc_close (void);
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*/
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static int smc_rcv (void);
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/* See if a MAC address is defined in the current environment. If so use it. If not
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. print a warning and set the environment and other globals with the default.
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. If an EEPROM is present it really should be consulted.
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*/
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int smc_get_ethaddr(bd_t *bd);
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int get_rom_mac(char *v_rom_mac);
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/* ------------------------------------------------------------
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* Internal routines
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@ -588,9 +594,9 @@ void smc_destructor ()
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* Set up everything, reset the card, etc ..
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*
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*/
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static int smc_open ()
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static int smc_open (bd_t *bd)
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{
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int i; /* used to set hw ethernet address */
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int i, err; /* used to set hw ethernet address */
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PRINTK2 ("%s:smc_open\n", SMC_DEV_NAME);
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@ -601,6 +607,12 @@ static int smc_open ()
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SMC_SELECT_BANK (1);
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err = smc_get_ethaddr (bd); /* set smc_mac_addr, and sync it with u-boot globals */
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if (err < 0) {
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memset (bd->bi_enetaddr, 0, 6); /* hack to make error stick! upper code will abort if not set */
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return (-1); /* upper code ignores this, but NOT bi_enetaddr */
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}
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#ifdef USE_32_BIT
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for (i = 0; i < 6; i += 2) {
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word address;
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@ -608,6 +620,10 @@ static int smc_open ()
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address |= smc_mac_addr[i];
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SMC_outw (address, LAN91C96_IA0 + i);
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}
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#else
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for (i = 0; i < 6; i++)
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SMC_outb (smc_mac_addr[i], LAN91C96_IA0 + i);
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#endif
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return 0;
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}
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@ -782,8 +798,7 @@ static void print_packet (byte * buf, int length)
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int eth_init (bd_t * bd)
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{
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smc_open ();
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return 0;
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return (smc_open(bd));
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}
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void eth_halt ()
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@ -801,10 +816,6 @@ int eth_send (volatile void *packet, int length)
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return smc_send_packet (packet, length);
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}
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int eth_hw_init ()
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{
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return smc_hw_init ();
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}
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/*-------------------------------------------------------------------------
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* smc_hw_init()
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@ -852,4 +863,103 @@ static int smc_hw_init ()
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#endif /* COMMANDS & CFG_NET */
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/* smc_get_ethaddr (bd_t * bd)
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*
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* This checks both the environment and the ROM for an ethernet address. If
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* found, the environment takes precedence.
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*/
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int smc_get_ethaddr (bd_t * bd)
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{
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int env_size = 0;
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int rom_valid = 0;
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int env_present = 0;
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int reg = 0;
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char *s = NULL;
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char *e = NULL;
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char *v_mac, es[] = "11:22:33:44:55:66";
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uchar s_env_mac[64];
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uchar v_env_mac[6];
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uchar v_rom_mac[6];
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env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
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if (env_size != sizeof(es)) { /* Ignore if env is bad or not set */
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printf ("\n*** Warning: ethaddr is not set properly, ignoring!!\n");
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} else {
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env_present = 1;
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s = s_env_mac;
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for (reg = 0; reg < 6; ++reg) { /* turn string into mac value */
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v_env_mac[reg] = s ? simple_strtoul (s, &e, 16) : 0;
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if (s)
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s = (*e) ? e + 1 : e;
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}
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}
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rom_valid = get_rom_mac (v_rom_mac); /* get ROM mac value if any */
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if (!env_present) { /* if NO env */
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if (rom_valid) { /* but ROM is valid */
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v_mac = v_rom_mac;
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sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
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v_mac[0], v_mac[1], v_mac[2], v_mac[3],
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v_mac[4], v_mac[5]);
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setenv ("ethaddr", s_env_mac);
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} else { /* no env, bad ROM */
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printf ("\n*** ERROR: ethaddr is NOT set !!\n");
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return (-1);
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}
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} else { /* good env, don't care ROM */
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v_mac = v_env_mac; /* always use a good env over a ROM */
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}
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if (env_present && rom_valid) { /* if both env and ROM are good */
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if (memcmp (v_env_mac, v_rom_mac, 6) != 0) {
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printf ("\nWarning: MAC addresses don't match:\n");
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printf ("\tHW MAC address: "
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"%02X:%02X:%02X:%02X:%02X:%02X\n",
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v_rom_mac[0], v_rom_mac[1],
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v_rom_mac[2], v_rom_mac[3],
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v_rom_mac[4], v_rom_mac[5] );
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printf ("\t\"ethaddr\" value: "
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"%02X:%02X:%02X:%02X:%02X:%02X\n",
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v_env_mac[0], v_env_mac[1],
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v_env_mac[2], v_env_mac[3],
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v_env_mac[4], v_env_mac[5]) ;
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debug ("### Set MAC addr from environment\n");
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}
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}
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memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
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smc_set_mac_addr (v_mac); /* use old function to update smc default */
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PRINTK("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", v_mac[0], v_mac[1],
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v_mac[2], v_mac[3], v_mac[4], v_mac[5]);
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return (0);
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}
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/*
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* get_rom_mac()
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* Note, this has omly been tested for the OMAP730 P2.
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*/
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int get_rom_mac (char *v_rom_mac)
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{
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#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
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char hw_mac_addr[] = { 0x02, 0x80, 0xad, 0x20, 0x31, 0xb8 };
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memcpy (v_rom_mac, hw_mac_addr, 6);
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return (1);
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#else
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int i;
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SMC_SELECT_BANK (1);
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for (i=0; i<6; i++)
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{
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v_rom_mac[i] = SMC_inb (LAN91C96_IA0 + i);
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}
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return (1);
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#endif
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}
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#endif /* CONFIG_DRIVER_LAN91C96 */
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@ -52,7 +52,6 @@
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*/
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void smc_set_mac_addr(const char *addr);
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int eth_hw_init(void);
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/* I want some simple types */
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@ -54,7 +54,7 @@ const char version_string[] =
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extern void cs8900_get_enetaddr (uchar * addr);
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#endif
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#ifdef CONFIG_DRIVER_CS8900
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#ifdef CONFIG_DRIVER_RTL8019
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extern void rtl8019_get_enetaddr (uchar * addr);
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#endif
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@ -306,7 +306,6 @@ void start_armboot (void)
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if (getenv ("ethaddr")) {
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smc_set_mac_addr(gd->bd->bi_enetaddr);
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}
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/* eth_hw_init(); */
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#endif /* CONFIG_DRIVER_LAN91C96 */
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/* Initialize from environment */
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