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-rw-r--r--board/atmel/common/mac_eeprom.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/board/atmel/common/mac_eeprom.c b/board/atmel/common/mac_eeprom.c
index 2205dd3..a723ba7 100644
--- a/board/atmel/common/mac_eeprom.c
+++ b/board/atmel/common/mac_eeprom.c
@@ -36,3 +36,36 @@ int at91_set_ethaddr(int offset)
return 0;
}
+
+/* this function will set eth1addr from a second eeprom, if available */
+int at91_set_eth1addr(int offset)
+{
+ const int ETH_ADDR_LEN = 6;
+ unsigned char ethaddr[ETH_ADDR_LEN];
+ /* configure eth1addr for second interface */
+ const char *ETHADDR_NAME = "eth1addr";
+ struct udevice *dev;
+ int ret;
+
+ if (env_get(ETHADDR_NAME))
+ return 0;
+
+ /* first eeprom is retrieved, this is for the first interface */
+ ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
+ if (ret)
+ return ret;
+
+ /* attempt to obtain a second eeprom device */
+ ret = uclass_next_device(&dev);
+ if (ret)
+ return ret;
+
+ ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
+ if (ret)
+ return ret;
+
+ if (is_valid_ethaddr(ethaddr))
+ eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
+
+ return 0;
+}