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/*
* This file is part of the coreboot project.
*
* Copyright 2019 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 <arch/acpi.h>
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
static const struct pad_config gpio_table[] = {
/* 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),
/* A18 : ISH_GP0 ==> NC */
PAD_NC(GPP_A18, NONE),
/* A19 : ISH_GP1 ==> NC */
PAD_NC(GPP_A19, NONE),
/* A20 : ISH_GP2 ==> NC */
PAD_NC(GPP_A20, NONE),
/* B19 : GSPI1_CS0# ==> NC */
PAD_NC(GPP_B19, NONE),
/* C1 : SMBDATA ==> NC */
PAD_NC(GPP_C1, NONE),
/* C4 : TOUCHSCREEN_DIS_L */
PAD_CFG_GPO(GPP_C4, 0, DEEP),
/* C6 : GPP_C6 ==> NC */
PAD_NC(GPP_C6, NONE),
/* C7 : GPP_C7 ==> NC */
PAD_NC(GPP_C7, NONE),
/* C23 : UART2_CTS# ==> NC */
PAD_NC(GPP_C23, NONE),
/* D5 : ISH_I2C0_SDA ==> NC */
PAD_NC(GPP_D5, NONE),
/* D6 : ISH_I2C0_SCL ==> NC */
PAD_NC(GPP_D6, NONE),
/* D7 : ISH_I2C1_SDA ==> NC */
PAD_NC(GPP_D7, NONE),
/* D8 : ISH_I2C1_SCL ==> NC */
PAD_NC(GPP_D8, NONE),
/* D10 : ISH_SPI_CLK ==> EN_PP3300_PP1800_FP */
PAD_CFG_GPO(GPP_D10, 0, DEEP),
/* D16 : USI_INT_L */
PAD_CFG_GPI_APIC(GPP_D16, NONE, PLTRST, LEVEL, INVERT),
/* D21 : SPI1_IO2 ==> NC */
PAD_NC(GPP_D21, NONE),
/* F0 : GPP_F0 ==> NC */
PAD_NC(GPP_F0, NONE),
/* F1 : GPP_F1 ==> NC */
PAD_NC(GPP_F1, NONE),
/* F3 : GPP_F3 ==> MEM_STRAP_3 */
PAD_CFG_GPI(GPP_F3, NONE, PLTRST),
/* F10 : GPP_F10 ==> MEM_STRAP_2 */
PAD_CFG_GPI(GPP_F10, NONE, PLTRST),
/* F11 : EMMC_CMD ==> NC */
PAD_NC(GPP_F11, NONE),
/* F20 : EMMC_RCLK ==> NC */
PAD_NC(GPP_F20, NONE),
/* F21 : EMMC_CLK ==> NC */
PAD_NC(GPP_F21, NONE),
/* F22 : EMMC_RESET# ==> NC */
PAD_NC(GPP_F22, NONE),
/* G0 : GPP_G0 ==> NC */
PAD_NC(GPP_G0, NONE),
/* G1 : GPP_G1 ==> NC */
PAD_NC(GPP_G1, NONE),
/* G2 : GPP_G2 ==> NC */
PAD_NC(GPP_G2, NONE),
/* G3 : GPP_G3 ==> NC */
PAD_NC(GPP_G3, NONE),
/* G4 : GPP_G4 ==> NC */
PAD_NC(GPP_G4, NONE),
/* G5 : GPP_G5 ==> NC */
PAD_NC(GPP_G5, NONE),
/* G6 : GPP_G6 ==> NC */
PAD_NC(GPP_G6, NONE),
/* H3 : SPKR_PA_EN */
PAD_CFG_GPO(GPP_H3, 1, DEEP),
/* H4 : I2C2_SDA ==> NC */
PAD_NC(GPP_H4, NONE),
/* H5 : I2C2_SCL ==> NC */
PAD_NC(GPP_H5, NONE),
/* H13 : M2_SKT2_CFG1 ==> SPKR_RST_L */
PAD_CFG_GPO(GPP_H13, 1, DEEP),
/* H14 : M2_SKT2_CFG2 ==> TOUCHSCREEN_STOP_L */
PAD_CFG_GPO(GPP_H14, 1, PLTRST),
/* H19 : TIMESYNC[0] ==> MEM_STRAP_0 */
PAD_CFG_GPI(GPP_H19, NONE, PLTRST),
/* H22 : MEM_STRAP_1 */
PAD_CFG_GPI(GPP_H22, NONE, PLTRST),
};
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),
/* 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;
}
/*
* Default GPIO settings before entering non-S5 sleep states.
* Configure A12: FPMCU_RST_ODL as GPO before entering sleep.
* This guarantees that A12's native3 function is disabled.
* See https://review.coreboot.org/c/coreboot/+/32111 .
*/
static const struct pad_config default_sleep_gpio_table[] = {
PAD_CFG_GPO(GPP_A12, 1, DEEP), /* FPMCU_RST_ODL */
};
/*
* GPIO settings before entering S5, which are same as
* default_sleep_gpio_table but also, turn off FPMCU.
*/
static const struct pad_config s5_sleep_gpio_table[] = {
PAD_CFG_GPO(GPP_A12, 0, DEEP), /* FPMCU_RST_ODL */
PAD_CFG_GPO(GPP_C11, 0, DEEP), /* PCH_FP_PWR_EN */
};
const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num)
{
if (slp_typ == ACPI_S5) {
*num = ARRAY_SIZE(s5_sleep_gpio_table);
return s5_sleep_gpio_table;
}
*num = ARRAY_SIZE(default_sleep_gpio_table);
return default_sleep_gpio_table;
}
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