diff --git a/patch/u-boot/u-boot-sunxi/board_olimex-som204-a20/Change-GMAC-phy-address.patch b/patch/u-boot/u-boot-sunxi/board_olimex-som204-a20/Change-GMAC-phy-address.patch
new file mode 100644
index 0000000000..5da5efc3e1
--- /dev/null
+++ b/patch/u-boot/u-boot-sunxi/board_olimex-som204-a20/Change-GMAC-phy-address.patch
@@ -0,0 +1,13 @@
+diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
+index 6b0ad5e..310e9bb 100644
+--- a/include/configs/sunxi-common.h
++++ b/include/configs/sunxi-common.h
+@@ -292,7 +292,7 @@ extern int soft_i2c_gpio_scl;
+ #endif
+ 
+ #ifdef CONFIG_SUN7I_GMAC
+-#define CONFIG_PHY_ADDR		1
++#define CONFIG_PHY_ADDR		3
+ #define CONFIG_MII			/* MII PHY management		*/
+ #define CONFIG_PHY_REALTEK
+ #endif