2 files changed, 33 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/pujjo/gpio.c b/src/mainboard/google/brya/variants/pujjo/gpio.c
index 91223c30fe..fd3dca5f90 100644
--- a/src/mainboard/google/brya/variants/pujjo/gpio.c
+++ b/src/mainboard/google/brya/variants/pujjo/gpio.c
@@ -49,11 +49,11 @@ static const struct pad_config override_5g_gpio_table[] = {
 	/* D17 : NC ==> SD_WAKE_N */
 	PAD_CFG_GPI_LOCK(GPP_D17, NONE, LOCK_CONFIG),
 	/* F12 : WWAN_RST_L */
-	PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
+	PAD_CFG_GPO(GPP_F12, 0, DEEP),
 	/* H19 : SOC_I2C_SUB_INT_ODL */
 	PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
 	/* H21  : WCAM_MCLK_R ==> WWAN_PERST_L */
-	PAD_CFG_GPO(GPP_H21, 1, DEEP),
+	PAD_CFG_GPO(GPP_H21, 0, DEEP),
 	/* H22  : WCAM_MCLK_R ==> NC */
 	PAD_NC(GPP_H22, NONE),
 	/* H23 : WWAN_SAR_DETECT_ODL */
diff --git a/src/mainboard/google/brya/variants/pujjo/variant.c b/src/mainboard/google/brya/variants/pujjo/variant.c
index 46a167a766..97e7e557d4 100644
--- a/src/mainboard/google/brya/variants/pujjo/variant.c
+++ b/src/mainboard/google/brya/variants/pujjo/variant.c
@@ -2,7 +2,21 @@
 
 #include <fw_config.h>
 #include <baseboard/variants.h>
+#include <baseboard/gpio.h>
 #include <sar.h>
+#include <delay.h>
+
+#define FM350_RST_DEALY_MS 20
+#define FM350_PERST_DEALY_MS 30
+
+static const struct pad_config fm350_rst_pad[] = {
+	/* F12 : WWAN_RST_L */
+	PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
+};
+static const struct pad_config fm350_perst_pad[] = {
+	/* H21 : WWAN_PERST */
+	PAD_CFG_GPO(GPP_H21, 1, DEEP),
+};
 
 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
 {
@@ -37,3 +51,20 @@ const char *get_wifi_sar_cbfs_filename(void)
 {
 	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID));
 }
+
+void variant_init(void)
+{
+	if (fw_config_probe(FW_CONFIG(WWAN_5G, WWAN_5G_PRESENT))) {
+		/*
+		 * FM350 power on seuqence:
+		 * De-assert WWAN_EN -> 20ms -> de-assert WWAN_RST -> 30ms ->
+		 * de-assert WWAN_PERST
+		 * WWAN_EN is de-asserted in ramstage gpio configuration, de-assert
+		 * WWAN_RST and WWAN_PERST here.
+		 */
+		mdelay(FM350_RST_DEALY_MS);
+		gpio_configure_pads(fm350_rst_pad, ARRAY_SIZE(fm350_rst_pad));
+		mdelay(FM350_PERST_DEALY_MS);
+		gpio_configure_pads(fm350_perst_pad, ARRAY_SIZE(fm350_perst_pad));
+	}
+}