From: Nagabhushana Netagunte <nagabhushana.netagu...@ti.com>

da830 boards have mac address stored in I2C EEPROM. This patch
adds support to restore mac address from EEPROM if environment variable
'ethaddr' is not set.

Signed-off-by: Sudhakar Rajashekhara <sudhakar....@ti.com>
Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagu...@ti.com>
---
 board/davinci/da8xxevm/da830evm.c |   20 ++++++++++++++++++++
 include/configs/da830evm.h        |    1 +
 2 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/board/davinci/da8xxevm/da830evm.c 
b/board/davinci/da8xxevm/da830evm.c
index 0650653..69ed293 100644
--- a/board/davinci/da8xxevm/da830evm.c
+++ b/board/davinci/da8xxevm/da830evm.c
@@ -188,6 +188,26 @@ int board_init(void)
 
 #define PHY_SW_I2C_ADDR        0x5f /* Address of PHY on i2c bus */
 
+int misc_init_r(void)
+{
+       uint8_t eeprom_enetaddr[6];
+       uint8_t val[2];
+
+       if (!eth_getenv_enetaddr("ethaddr", eeprom_enetaddr)) {
+               /* Read Ethernet MAC address from EEPROM if available. */
+               if (dvevm_read_mac_address(eeprom_enetaddr))
+                       /* Set Ethernet MAC address from EEPROM */
+                       davinci_sync_env_enetaddr(eeprom_enetaddr);
+       }
+
+       val[0] = 0x01;
+       val[1] = 0x23;
+
+       if (i2c_write(PHY_SW_I2C_ADDR, 0, 0, val, 2))
+               printf("Ethernet switch start failed!\n");
+
+}
+
 /*
  * Initializes on-board ethernet controllers.
  */
diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h
index 66fdea2..a451513 100644
--- a/include/configs/da830evm.h
+++ b/include/configs/da830evm.h
@@ -160,6 +160,7 @@
 /*
  * U-Boot general configuration
  */
+#define CONFIG_MISC_INIT_R
 #undef CONFIG_USE_IRQ                  /* No IRQ/FIQ in U-Boot */
 #undef CONFIG_MISC_INIT_R
 #undef CONFIG_BOOTDELAY
-- 
1.6.2.4

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to