1 files changed, 14 insertions, 1 deletions

diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index c233d64a0d60..1dc55ee2681b 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/dma-mapping.h>
+#include <linux/etherdevice.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/init.h>
@@ -21,6 +22,8 @@
 #include <asm/mach-au1x00/au1100_mmc.h>
 #include <asm/mach-au1x00/au1xxx_eth.h>
 
+#include <prom.h>
+
 #define PORT(_base, _irq)                                       \
         {                                                       \
                 .mapbase        = _base,                        \
@@ -434,17 +437,27 @@ static int __init au1xxx_platform_init(void)
 {
         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
         int err, i;
+        unsigned char ethaddr[6];
 
         /* Fill up uartclk. */
         for (i = 0; au1x00_uart_data[i].flags; i++)
                 au1x00_uart_data[i].uartclk = uartclk;
 
+        /* use firmware-provided mac addr if available and necessary */
+        i = prom_get_ethernet_addr(ethaddr);
+        if (!i && !is_valid_ether_addr(au1xxx_eth0_platform_data.mac))
+                memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6);
+
         err = platform_add_devices(au1xxx_platform_devices,
                                    ARRAY_SIZE(au1xxx_platform_devices));
 #ifndef CONFIG_SOC_AU1100
+        ethaddr[5] += 1;        /* next addr for 2nd MAC */
+        if (!i && !is_valid_ether_addr(au1xxx_eth1_platform_data.mac))
+                memcpy(au1xxx_eth1_platform_data.mac, ethaddr, 6);
+
         /* Register second MAC if enabled in pinfunc */
         if (!err && !(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2))
-                platform_device_register(&au1xxx_eth1_device);
+                err = platform_device_register(&au1xxx_eth1_device);
 #endif
 
         return err;