/*
 * This file is part of the coreboot project.
 *
 * Copyright 2018 Google LLC.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU General Public License for more details.
 */

#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <soc/gpio.h>

static const struct pad_config default_override_table[] = {
	PAD_NC(GPIO_104, UP_20K),

	/* CAM_SOC_EC_SYNC */
	PAD_CFG_GPI_APIC_IOS(GPIO_134, NONE, DEEP, EDGE_SINGLE, INVERT, TxDRxE,
			     DISPUPD),

	/* EN_PP3300_TOUCHSCREEN */
	PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
				     DISPUPD),

	/* EN_PP3300_WLAN_L */
	PAD_CFG_GPO(GPIO_178, 0, DEEP),
};

const struct pad_config *variant_override_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(default_override_table);
	return default_override_table;
}

/* GPIOs needed prior to ramstage. */
static const struct pad_config early_gpio_table[] = {
	/* PCH_WP_OD */
	PAD_CFG_GPI(GPIO_190, NONE, DEEP),
	/* H1_PCH_INT_ODL */
	PAD_CFG_GPI_APIC_IOS(GPIO_63, NONE, DEEP, EDGE_SINGLE, INVERT, TxDRxE,
			     DISPUPD),
	/* H1_SLAVE_SPI_CLK_R */
	PAD_CFG_NF(GPIO_79, NONE, DEEP, NF1),
	/* H1_SLAVE_SPI_CS_L_R */
	PAD_CFG_NF(GPIO_80, NONE, DEEP, NF1),
	/* H1_SLAVE_SPI_MISO */
	PAD_CFG_NF(GPIO_82, NONE, DEEP, NF1),
	/* H1_SLAVE_SPI_MOSI_R */
	PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1),

	PAD_CFG_GPO(GPIO_178, 0, DEEP),

	/* WLAN_PE_RST */
	PAD_CFG_GPO(GPIO_164, 0, DEEP),

	/*
	 * ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak
	 * pull-up for proper operation. Since there is no external pull present
	 * on this platform, configure an internal weak pull-up.
	 */
	PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1,
				    ENPU),
};

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