2 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/frostflow/Makefile.inc b/src/mainboard/google/skyrim/variants/frostflow/Makefile.inc
index 88e75bde52..db72b152a7 100644
--- a/src/mainboard/google/skyrim/variants/frostflow/Makefile.inc
+++ b/src/mainboard/google/skyrim/variants/frostflow/Makefile.inc
@@ -1,3 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 subdirs-y += ./memory
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/skyrim/variants/frostflow/gpio.c b/src/mainboard/google/skyrim/variants/frostflow/gpio.c
new file mode 100644
index 0000000000..a80693fac6
--- /dev/null
+++ b/src/mainboard/google/skyrim/variants/frostflow/gpio.c
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+#include <soc/gpio.h>
+
+/* GPIO configuration in ramstage */
+static const struct soc_amd_gpio override_gpio_table[] = {
+	/* EN_PWR_WWAN_X => CAM_PSW_L */
+	PAD_INT(GPIO_8, PULL_NONE, BOTH_EDGES, STATUS_DELIVERY),
+	/* SOC_SAR_INT_L => Unused */
+	PAD_NC(GPIO_17),
+	/* WWAN_RST_L => Unused */
+	PAD_NC(GPIO_42),
+};
+
+void variant_override_gpio_table(const struct soc_amd_gpio **gpio, size_t *size)
+{
+	*size = ARRAY_SIZE(override_gpio_table);
+	*gpio = override_gpio_table;
+}