src/mainboard/google/hatch/variants/mushu/gpio.c

/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#include <arch/acpi.h>
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>

static const struct pad_config gpio_table[] = {
	/* A0  : SAR0_INT_ODL */
	PAD_CFG_GPI_INT(GPP_A0, NONE, PLTRST, LEVEL),
	/* A6  : SAR1_INT_ODL */
	PAD_CFG_GPI_INT(GPP_A6, NONE, PLTRST, LEVEL),
	/* A8  : PEN_GARAGE_DET_L (wake) */
	PAD_CFG_GPI_SCI(GPP_A8, NONE, DEEP, EDGE_SINGLE, NONE),
	/* A10 : FPMCU_PCH_BOOT1 */
	PAD_CFG_GPO(GPP_A10, 0, DEEP),
	/* A11 : PCH_SPI_FPMCU_CS_L */
	PAD_CFG_NF(GPP_A11, NONE, DEEP, NF2),
	/* A12 : FPMCU_RST_ODL */
	PAD_CFG_GPO(GPP_A12, 0, DEEP),
	/* C13 : EC_PCH_INT_L */
	PAD_CFG_GPI_APIC(GPP_C13, UP_20K, PLTRST, LEVEL, INVERT),
	/* C15 : WWAN_DPR_SAR_ODL
	 *
	 * TODO: Driver doesn't use this pin as of now. In case driver starts
	 * using this pin, expose this pin to driver.
	 */
	PAD_CFG_GPO(GPP_C15, 1, DEEP),
	/* H3  : SPKR_PA_EN */
	PAD_CFG_GPO(GPP_H3, 0, DEEP),
	/* H22  : BOMACO_EN */
	PAD_CFG_GPO(GPP_H22, 0, DEEP),
};

const struct pad_config *override_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(gpio_table);
	return gpio_table;
}

/*
 * GPIOs configured before ramstage
 * Note: the Hatch platform's romstage will configure
 * the MEM_STRAP_* (a.k.a GPIO_MEM_CONFIG_*) pins
 * as inputs before it reads them, so they are not
 * needed in this table.
 */
static const struct pad_config early_gpio_table[] = {
	/* B15 : H1_SLAVE_SPI_CS_L */
	PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
	/* B16 : H1_SLAVE_SPI_CLK */
	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
	/* B17 : H1_SLAVE_SPI_MISO_R */
	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
	/* B18 : H1_SLAVE_SPI_MOSI_R */
	PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
	/* C14 : BT_DISABLE_L */
	PAD_CFG_GPO(GPP_C14, 0, DEEP),
	/* PCH_WP_OD */
	PAD_CFG_GPI(GPP_C20, NONE, DEEP),
	/* C21 : H1_PCH_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
	/* C23 : WLAN_PE_RST# */
	PAD_CFG_GPO(GPP_C23, 1, DEEP),
	/* E1  : M2_SSD_PEDET */
	PAD_CFG_NF(GPP_E1, NONE, DEEP, NF1),
	/* E5  : SATA_DEVSLP1 */
	PAD_CFG_NF(GPP_E5, NONE, PLTRST, NF1),
	/* F2  : MEM_CH_SEL */
	PAD_CFG_GPI(GPP_F2, NONE, PLTRST),
};

const struct pad_config *variant_early_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(early_gpio_table);
	return early_gpio_table;
}