diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig
index 3c2eab2dcc..0f5469db1c 100644
--- a/src/mainboard/google/skyrim/Kconfig
+++ b/src/mainboard/google/skyrim/Kconfig
@@ -71,4 +71,22 @@ config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
 	select VBOOT_STARTS_IN_BOOTBLOCK
 
+if !EM100	# EM100 defaults in soc/amd/common/blocks/spi/Kconfig
+config EFS_SPI_READ_MODE
+	default 2          # Dual IO (1-1-2)
+
+config EFS_SPI_SPEED
+	default 0	# 66MHz
+
+config EFS_SPI_MICRON_FLAG
+	default 0
+
+config NORMAL_READ_SPI_SPEED
+	default 1	# 33MHz
+
+config ALT_SPI_SPEED
+	default 0	# 66MHz
+
+endif # !EM100
+
 endif # BOARD_GOOGLE_BASEBOARD_SKYRIM