diff --git a/src/mainboard/google/fizz/gpio.h b/src/mainboard/google/fizz/gpio.h
index d063e8d9d8..d54a1fed0f 100644
--- a/src/mainboard/google/fizz/gpio.h
+++ b/src/mainboard/google/fizz/gpio.h
@@ -37,6 +37,11 @@
 #define GPIO_SKU_ID2		GPP_C14
 #define GPIO_SKU_ID3		GPP_C15
 
+/* OEM ID GPIOs */
+#define GPIO_OEM_ID1		GPP_D10
+#define GPIO_OEM_ID2		GPP_D11
+#define GPIO_OEM_ID3		GPP_D12
+
 #ifndef __ACPI__
 /* Pad configuration in ramstage */
 /* Leave eSPI pins untouched from default settings */
@@ -163,9 +168,12 @@ static const struct pad_config gpio_table[] = {
 /* ISH_I2C1_SCL */	PAD_CFG_NC(GPP_D8),
 /* ISH_SPI_CS# */	PAD_CFG_GPI_INT(GPP_D9, NONE,
 					PLTRST, EDGE), /* HP_IRQ_GPIO */
-/* ISH_SPI_CLK */	PAD_CFG_NC(GPP_D10),
-/* ISH_SPI_MISO */	PAD_CFG_NC(GPP_D11),
-/* ISH_SPI_MOSI */	PAD_CFG_NC(GPP_D12),
+/* ISH_SPI_CLK */	PAD_CFG_GPI_GPIO_DRIVER(GPP_D10, NONE,
+						DEEP), /* OEM_ID1 */
+/* ISH_SPI_MISO */	PAD_CFG_GPI_GPIO_DRIVER(GPP_D11, NONE,
+						DEEP), /* OEM_ID2 */
+/* ISH_SPI_MOSI */	PAD_CFG_GPI_GPIO_DRIVER(GPP_D12, NONE,
+						DEEP), /* OEM_ID3 */
 /* ISH_UART0_RXD */	PAD_CFG_NC(GPP_D13),
 /* ISH_UART0_TXD */	PAD_CFG_NC(GPP_D14),
 /* ISH_UART0_RTS# */	PAD_CFG_NC(GPP_D15),
diff --git a/src/mainboard/google/fizz/mainboard.c b/src/mainboard/google/fizz/mainboard.c
index ae3767579e..54d7c4c103 100644
--- a/src/mainboard/google/fizz/mainboard.c
+++ b/src/mainboard/google/fizz/mainboard.c
@@ -21,9 +21,11 @@
 #include <ec/google/chromeec/ec.h>
 #include <gpio.h>
 #include <mainboard/google/fizz/gpio.h>
+#include <smbios.h>
 #include <soc/gpio.h>
 #include <soc/pci_devs.h>
 #include <soc/nhlt.h>
+#include <string.h>
 #include <vendorcode/google/chromeos/chromeos.h>
 
 #define FIZZ_SKU_ID_I7_U42 0x4
@@ -74,6 +76,29 @@ static u32 mainboard_get_pl2(void)
 	return watts;
 }
 
+static uint8_t board_oem_id(void)
+{
+	static int board_oem_id = -1;
+	const gpio_t oem_id_gpios[] = {
+		GPIO_OEM_ID1,
+		GPIO_OEM_ID2,
+		GPIO_OEM_ID3,
+	};
+	if (board_oem_id < 0)
+		board_oem_id = gpio_base2_value(oem_id_gpios,
+						ARRAY_SIZE(oem_id_gpios));
+	return board_oem_id;
+}
+
+const char *smbios_mainboard_sku(void)
+{
+	static char sku_str[5]; /* sku{0..7} */
+
+	snprintf(sku_str, sizeof(sku_str), "sku%d", board_oem_id());
+
+	return sku_str;
+}
+
 static void mainboard_init(device_t dev)
 {
 	mainboard_ec_init();