diff --git a/arch/arm/cpu/armv7/tegra2/board.c b/arch/arm/cpu/armv7/tegra2/board.c
index 6106ef9..923678d 100644
--- a/arch/arm/cpu/armv7/tegra2/board.c
+++ b/arch/arm/cpu/armv7/tegra2/board.c
@@ -106,6 +106,8 @@
 	FUNCMUX_UART1_UAA_UAB,
 #elif defined(CONFIG_TEGRA2_UARTA_GPU)
 	FUNCMUX_UART1_GPU,
+#elif defined(CONFIG_TEGRA2_UARTA_SDIO1)
+	FUNCMUX_UART1_SDIO1,
 #else
 	FUNCMUX_UART1_IRRX_IRTX,
 #endif
diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c
index c279088..1559869 100644
--- a/arch/arm/cpu/armv7/tegra2/funcmux.c
+++ b/arch/arm/cpu/armv7/tegra2/funcmux.c
@@ -50,6 +50,11 @@
 			pinmux_tristate_disable(PINGRP_GPU);
 			bad_config = 0;
 			break;
+		case FUNCMUX_UART1_SDIO1:
+			pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_UARTA);
+			pinmux_tristate_disable(PINGRP_SDIO1);
+			bad_config = 0;
+			break;
 		}
 		if (!bad_config) {
 			/*