1 files changed, 53 insertions, 0 deletions
diff --git a/src/mainboard/intel/shadowmountain/variants/baseboard/early_gpio.c b/src/mainboard/intel/shadowmountain/variants/baseboard/early_gpio.c
new file mode 100644
index 0000000000..29e6184447
--- /dev/null
+++ b/src/mainboard/intel/shadowmountain/variants/baseboard/early_gpio.c
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+
+	/* UART0 RX */
+	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
+	/* UART0 TX */
+	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
+	/* A7 : MEM_STRAP_0 */
+	PAD_CFG_GPI(GPP_A7, NONE, DEEP),
+	/* A17 : MEM_CH_SEL */
+	PAD_CFG_GPI(GPP_A17, NONE, DEEP),
+	/* A19 : MEM_STRAP_2 */
+	PAD_CFG_GPI(GPP_A19, NONE, DEEP),
+	/* A20 : MEM_STRAP_1 */
+	PAD_CFG_GPI(GPP_A20, NONE, DEEP),
+	/* B11 : PCH_WP_OD */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_B11, NONE, DEEP),
+
+	/* C0 : EN_PP3300_WLAN */
+	PAD_CFG_GPO(GPP_C0, 1, DEEP),
+	/* C3 : H1_PCH_INT_ODL */
+	PAD_CFG_GPI_APIC(GPP_C3, NONE, PLTRST, LEVEL, INVERT),
+
+	/* D10 : EN_PP3300_WWAN */
+	PAD_CFG_GPO(GPP_D10, 1, DEEP),
+
+	/* E10 : PCH_GSPI0_H1_TPM_CS_L */
+	PAD_CFG_NF(GPP_E10, NONE, DEEP, NF7),
+	/* E11 : PCH_GSPI0_H1_TPM_CLK */
+	PAD_CFG_NF(GPP_E11, NONE, DEEP, NF7),
+	/* E12 : PCH_GSPIO_H1_TPM_MISO */
+	PAD_CFG_NF(GPP_E12, NONE, DEEP, NF7),
+	/* E13 : PCH_GSPI0_H1_TPM_MOSI_STRAP */
+	PAD_CFG_NF(GPP_E13, NONE, DEEP, NF7),
+
+	/* F14 : WLAN_PERST_L */
+	PAD_CFG_GPO(GPP_F14, 1, DEEP),
+	/* F20 : WWAN_RST_ODL
+	   To meet timing constraints - drive reset low.
+	   Deasserted in ramstage. */
+	PAD_CFG_GPO(GPP_F20, 0, DEEP),
+};
+
+void variant_configure_early_gpio_pads(void)
+{
+	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}