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/*
* This file is part of the coreboot project.
*
* Copyright 2020 The coreboot project Authors.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
#include <vendorcode/google/chromeos/chromeos.h>
/* Pad configuration in ramstage*/
static const struct pad_config gpio_table[] = {
/* GPP_A0 thru GPP_A6 come configured out of reset, do not touch */
/* A0 : ESPI_IO0 */
/* A1 : ESPI_IO1 */
/* A2 : ESPI_IO2 */
/* A3 : ESPI_IO3 */
/* A4 : ESPI_CS# */
/* A5 : ESPI_CLK */
/* A6 : ESPI_RESET_L */
/* B4 : H1_PCH_INT_ODL */
PAD_CFG_GPI_APIC(GPP_B4, NONE, PLTRST, LEVEL, INVERT),
/* 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),
/* C16 : AP_I2C_TRACKPAD_SDA_3V3 */
PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
/* C17 : AP_I2C_TRACKPAD_SCL_3V3 */
PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
/* C18 : AP_I2C_EMR_SDA */
PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
/* C19 : AP_I2C_EMR_SCL */
PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
/* C20 : UART_DBG_TX_AP_RX */
PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
/* C21 : UART_AP_TX_DBG_RX */
PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
/* C22 : UART2_RTS_N */
PAD_NC(GPP_C22, DN_20K),
/* C23 : UART2_CTS_N */
PAD_NC(GPP_C23, DN_20K),
/* H4 : AP_I2C_TS_SDA */
PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
/* H5 : AP_I2C_TS_SCL */
PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
/* H6 : AP_I2C_CAM_SDA */
PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1),
/* H7 : AP_I2C_CAM_SCL */
PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1),
/* H8 : AP_I2C_AUDIO_SDA */
PAD_CFG_NF(GPP_H8, NONE, DEEP, NF1),
/* H9 : AP_I2C_AUDIO_SCL */
PAD_CFG_NF(GPP_H9, NONE, DEEP, NF1),
};
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
/* B4 : H1_PCH_INT_ODL */
PAD_CFG_GPI_APIC(GPP_B4, NONE, PLTRST, LEVEL, INVERT),
/* 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),
};
const struct pad_config *__weak variant_gpio_table(size_t *num)
{
*num = ARRAY_SIZE(gpio_table);
return gpio_table;
}
const struct pad_config *__weak variant_early_gpio_table(size_t *num)
{
*num = ARRAY_SIZE(early_gpio_table);
return early_gpio_table;
}
/* GPIO settings before entering sleep. */
static const struct pad_config sleep_gpio_table[] = {
};
const struct pad_config *__weak variant_sleep_gpio_table(size_t *num)
{
*num = ARRAY_SIZE(sleep_gpio_table);
return sleep_gpio_table;
}
static const struct cros_gpio cros_gpios[] = {
};
const struct cros_gpio *__weak variant_cros_gpios(size_t *num)
{
*num = ARRAY_SIZE(cros_gpios);
return cros_gpios;
}
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