src/mainboard/google/brya/variants/pirrha/fw_config.c

/* SPDX-License-Identifier: GPL-2.0-or-later */

#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <console/console.h>
#include <fw_config.h>

static const struct pad_config wfc_disable_pads[] = {
	/* D3  : WCAM_RST_L */
	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
	/* D15 : EN_PP2800_WCAM_X */
	PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
	/* D16 : EN_PP1800_PP1200_WCAM_X */
	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
	/* H22 : WCAM_MCLK_R */
	PAD_NC(GPP_H22, NONE),
	/* R6 : DMIC_WCAM_CLK_R */
	PAD_NC(GPP_R6, NONE),
	/* R7 : DMIC_WCAM_DATA */
	PAD_NC(GPP_R7, NONE),
};

static const struct pad_config emmc_disable_pads[] = {
	/* I7  : EMMC_CMD */
	PAD_NC(GPP_I7, NONE),
	/* I8  : EMMC_D0 */
	PAD_NC(GPP_I8, NONE),
	/* I9  : EMMC_D1 */
	PAD_NC(GPP_I9, NONE),
	/* I10 : EMMC_D2 */
	PAD_NC(GPP_I10, NONE),
	/* I11 : EMMC_D3 */
	PAD_NC(GPP_I11, NONE),
	/* I12 : EMMC_D4 */
	PAD_NC(GPP_I12, NONE),
	/* I13 : EMMC_D5 */
	PAD_NC(GPP_I13, NONE),
	/* I14 : EMMC_D6 */
	PAD_NC(GPP_I14, NONE),
	/* I15 : EMMC_D7 */
	PAD_NC(GPP_I15, NONE),
	/* I16 : EMMC_RCLK */
	PAD_NC(GPP_I16, NONE),
	/* I17 : EMMC_CLK */
	PAD_NC(GPP_I17, NONE),
	/* I18 : EMMC_RST_L */
	PAD_NC(GPP_I18, NONE),
};

static const struct pad_config stylus_disable_pads[] = {
	/* F13 : SOC_PEN_DETECT_R_ODL */
	PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
	/* F15 : SOC_PEN_DETECT_ODL */
	PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
};

void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
{
	// Skip checking FW config if board ID in CBI is not verified.
	if (board_id() == BOARD_ID_UNKNOWN)
		return;

	if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) {
		printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n");
		gpio_padbased_override(padbased_table, wfc_disable_pads,
						ARRAY_SIZE(wfc_disable_pads));
	}

	if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
		printk(BIOS_INFO, "Disable eMMC SSD GPIO pins.\n");
		gpio_padbased_override(padbased_table, emmc_disable_pads,
						ARRAY_SIZE(emmc_disable_pads));
	}

	if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
		printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
		gpio_padbased_override(padbased_table, stylus_disable_pads,
						ARRAY_SIZE(stylus_disable_pads));
	}
}