2 files changed, 33 insertions, 9 deletions
diff --git a/src/mainboard/google/hatch/variants/dratini/include/variant/sku.h b/src/mainboard/google/hatch/variants/dratini/include/variant/sku.h
index c44e0dbdbe..89f670821e 100644
--- a/src/mainboard/google/hatch/variants/dratini/include/variant/sku.h
+++ b/src/mainboard/google/hatch/variants/dratini/include/variant/sku.h
@@ -4,6 +4,14 @@
 #define __MAINBOARD_SKU_H__
 
 enum {
+	SKU_1_DRATINI = 1,
+	SKU_2_DRATINI = 2,
+	SKU_3_DRATINI = 3,
+	SKU_4_DRATINI = 4,
+	SKU_5_DRATINI = 5,
+	SKU_6_DRATINI = 6,
+	SKU_7_DRATINI = 7,
+	SKU_8_DRATINI = 8,
 	SKU_21_DRAGONAIR = 21,
 	SKU_22_DRAGONAIR = 22,
 	SKU_23_DRAGONAIR = 23,
diff --git a/src/mainboard/google/hatch/variants/dratini/ramstage.c b/src/mainboard/google/hatch/variants/dratini/ramstage.c
index 240bcaeb93..302ef83c55 100644
--- a/src/mainboard/google/hatch/variants/dratini/ramstage.c
+++ b/src/mainboard/google/hatch/variants/dratini/ramstage.c
@@ -3,16 +3,32 @@
 #include <delay.h>
 #include <gpio.h>
 #include <baseboard/variants.h>
+#include <variant/sku.h>
+#include <ec/google/chromeec/ec.h>
 
 void variant_ramstage_init(void)
 {
-	/*
-	 * Enable power to FPMCU, wait for power rail to stabilize,
-	 * and then deassert FPMCU reset.
-	 * Waiting for the power rail to stabilize can take a while,
-	 * a minimum of 400us on Kohaku.
-	 */
-	gpio_output(GPP_C11, 1);
-	mdelay(4);
-	gpio_output(GPP_A12, 1);
+	uint32_t sku_id = google_chromeec_get_board_sku();
+
+	switch (sku_id) {
+	case SKU_2_DRATINI:
+	case SKU_4_DRATINI:
+	case SKU_6_DRATINI:
+	case SKU_8_DRATINI:
+	case SKU_21_DRAGONAIR:
+	case SKU_22_DRAGONAIR:
+		/*
+		* Enable power to FPMCU, wait for power rail to stabilize,
+		* and then deassert FPMCU reset.
+		* Waiting for the power rail to stabilize can take a while,
+		* a minimum of 400us on Kohaku.
+		*/
+		gpio_output(GPP_C11, 1);
+		mdelay(4);
+		gpio_output(GPP_A12, 1);
+		break;
+	default:
+		/* SKU does not have FP Sensor, do not enable FPMCU */
+		break;
+	}
 }