#ifdef CONFIG_DRIVER_LAN91C96
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#if defined(CONFIG_CMD_NET)
/*------------------------------------------------------------------------
*
extern void eth_halt (void);
extern int eth_rx (void);
extern int eth_send (volatile void *packet, int length);
+#if 0
static int smc_hw_init (void);
+#endif
/*
* This is called by register_netdev(). It is responsible for
* 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);
/*
*/
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(unsigned char *v_rom_mac);
/* ------------------------------------------------------------
* Internal routines
* ------------------------------------------------------------
*/
-static char smc_mac_addr[] = { 0xc0, 0x00, 0x00, 0x1b, 0x62, 0x9c };
+static unsigned char smc_mac_addr[] = { 0xc0, 0x00, 0x00, 0x1b, 0x62, 0x9c };
/*
* This function must be called before smc_open() if you want to override
* the default mac address.
*/
-void smc_set_mac_addr (const char *addr)
+void smc_set_mac_addr (const unsigned char *addr)
{
int i;
* 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; /* used to set hw ethernet address */
PRINTK2 ("%s:smc_open\n", SMC_DEV_NAME);
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) {
word address;
address |= smc_mac_addr[i];
SMC_outw (address, LAN91C96_IA0 + i);
}
+#else
+ for (i = 0; i < 6; i++)
+ SMC_outb (smc_mac_addr[i], LAN91C96_IA0 + i);
+#endif
return 0;
}
int eth_init (bd_t * bd)
{
- smc_open ();
- return 0;
+ return (smc_open(bd));
}
void eth_halt ()
return smc_send_packet (packet, length);
}
-int eth_hw_init ()
-{
- return smc_hw_init ();
-}
+#if 0
/*-------------------------------------------------------------------------
* smc_hw_init()
*
}
return 0;
}
+#endif /* 0 */
#endif /* COMMANDS & CFG_NET */
+
+/* smc_get_ethaddr (bd_t * bd)
+ *
+ * This checks both the environment and the ROM for an ethernet address. If
+ * found, the environment takes precedence.
+ */
+
+int smc_get_ethaddr (bd_t * bd)
+{
+ int env_size = 0;
+ int rom_valid = 0;
+ int env_present = 0;
+ int reg = 0;
+ char *s = NULL;
+ char *e = NULL;
+ char *v_mac, es[] = "11:22:33:44:55:66";
+ char s_env_mac[64];
+ uchar v_env_mac[6];
+ uchar v_rom_mac[6];
+
+ env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
+ if (env_size != sizeof(es)) { /* Ignore if env is bad or not set */
+ printf ("\n*** Warning: ethaddr is not set properly, ignoring!!\n");
+ } else {
+ 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 = (char *)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 = (char *)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 ("\nWarning: MAC addresses don't match:\n");
+ printf ("\tHW MAC address: "
+ "%02X:%02X:%02X:%02X:%02X:%02X\n",
+ v_rom_mac[0], v_rom_mac[1],
+ v_rom_mac[2], v_rom_mac[3],
+ v_rom_mac[4], v_rom_mac[5] );
+ printf ("\t\"ethaddr\" value: "
+ "%02X:%02X:%02X:%02X:%02X:%02X\n",
+ v_env_mac[0], v_env_mac[1],
+ v_env_mac[2], v_env_mac[3],
+ v_env_mac[4], v_env_mac[5]) ;
+ debug ("### Set MAC addr from environment\n");
+ }
+ }
+ memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
+ smc_set_mac_addr ((unsigned char *)v_mac); /* use old function to update smc default */
+ PRINTK("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", v_mac[0], v_mac[1],
+ v_mac[2], v_mac[3], v_mac[4], v_mac[5]);
+ return (0);
+}
+
+/*
+ * get_rom_mac()
+ * Note, this has omly been tested for the OMAP730 P2.
+ */
+
+int get_rom_mac (unsigned char *v_rom_mac)
+{
+#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
+ int i;
+ SMC_SELECT_BANK (1);
+ for (i=0; i<6; i++)
+ {
+ v_rom_mac[i] = SMC_inb (LAN91C96_IA0 + i);
+ }
+ return (1);
+#endif
+}
+
#endif /* CONFIG_DRIVER_LAN91C96 */
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