diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index 7d2914472a..7e8c8cc51e 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -37,11 +37,22 @@
 #define CONFIG_TEGRA2_ENABLE_UARTD
 #define CONFIG_SYS_NS16550_COM1		NV_PA_APB_UARTD_BASE
 
+/* On Seaboard: GPIO_PI3 = Port I = 8, bit = 3 */
+#define CONFIG_UART_DISABLE_GPIO	GPIO_PI3
+
 #define CONFIG_MACH_TYPE		MACH_TYPE_SEABOARD
 #define CONFIG_SYS_BOARD_ODMDATA	0x300d8011 /* lp1, 1GB */
 
 #define CONFIG_BOARD_EARLY_INIT_F
 
+/* SPI */
+#define CONFIG_TEGRA2_SPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+
 /* SD/MMC */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC