diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 8607eb3..2179e23 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -19,9 +19,12 @@
 #include <axp209.h>
 #endif
 #include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
 #include <asm/arch/dram.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
+#include <asm/io.h>
+#include <net.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -157,3 +160,28 @@
 		printf("Failed to set core voltage! Can't set CPU frequency\n");
 }
 #endif
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+	if (!getenv("ethaddr")) {
+		uint32_t reg_val = readl(SUNXI_SID_BASE);
+
+		if (reg_val) {
+			uint8_t mac_addr[6];
+
+			mac_addr[0] = 0x02; /* Non OUI / registered MAC address */
+			mac_addr[1] = (reg_val >>  0) & 0xff;
+			reg_val = readl(SUNXI_SID_BASE + 0x0c);
+			mac_addr[2] = (reg_val >> 24) & 0xff;
+			mac_addr[3] = (reg_val >> 16) & 0xff;
+			mac_addr[4] = (reg_val >>  8) & 0xff;
+			mac_addr[5] = (reg_val >>  0) & 0xff;
+
+			eth_setenv_enetaddr("ethaddr", mac_addr);
+		}
+	}
+
+	return 0;
+}
+#endif