diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c
index 9375681187c39e5028d684cb1672c36ec3018da3..4a6e5c7113db0f79a7134b7e05219b36182d8c97 100644
--- a/drivers/clk/rockchip/clk_rk3288.c
+++ b/drivers/clk/rockchip/clk_rk3288.c
@@ -898,6 +898,16 @@ static int rk3288_clk_enable(struct clk *clk)
 	case HCLK_USBHOST0:
 	case HCLK_HSIC:
 		return 0;
+
+	case SCLK_MAC:
+	case SCLK_MAC_RX:
+	case SCLK_MAC_TX:
+	case SCLK_MACREF:
+	case SCLK_MACREF_OUT:
+	case ACLK_GMAC:
+	case PCLK_GMAC:
+		/* Required to successfully probe the Designware GMAC driver */
+		return 0;
 	}
 
 	debug("%s: unsupported clk %ld\n", __func__, clk->id);
diff --git a/include/configs/rockchip-common.h b/include/configs/rockchip-common.h
index dee82ca99d9ef1653e4689fdf802ce0613281b25..68e1105a4b183773fa5c016e44e584ba16deecc9 100644
--- a/include/configs/rockchip-common.h
+++ b/include/configs/rockchip-common.h
@@ -7,6 +7,8 @@
 #define _ROCKCHIP_COMMON_H_
 #include <linux/sizes.h>
 
+#define CONFIG_SYS_NS16550_MEM32
+
 #ifndef CONFIG_SPL_BUILD
 
 /* First try to boot from SD (index 0), then eMMC (index 1) */