+
+#ifdef CONFIG_MAC_ADDR_IN_SPIFLASH
+ uchar env_enetaddr[6];
+ int enetaddr_found;
+ int spi_mac_read;
+ uchar buff[6];
+
+ enetaddr_found = eth_getenv_enetaddr("ethaddr", env_enetaddr);
+ spi_mac_read = get_mac_addr(buff);
+
+ /*
+ * MAC address not present in the environment
+ * try and read the MAC address from SPI flash
+ * and set it.
+ */
+ if (!enetaddr_found) {
+ if (!spi_mac_read) {
+ if (is_valid_ether_addr(buff)) {
+ if (eth_setenv_enetaddr("ethaddr", buff)) {
+ printf("Warning: Failed to "
+ "set MAC address from SPI flash\n");
+ }
+ } else {
+ printf("Warning: Invalid "
+ "MAC address read from SPI flash\n");
+ }
+ }
+ } else {
+ /*
+ * MAC address present in environment compare it with
+ * the MAC address in SPI flash and warn on mismatch
+ */
+ if (!spi_mac_read && is_valid_ether_addr(buff) &&
+ memcmp(env_enetaddr, buff, 6))
+ printf("Warning: MAC address in SPI flash don't match "
+ "with the MAC address in the environment\n");
+ printf("Default using MAC address from environment\n");
+ }
+#endif