diff options
Diffstat (limited to 'src/mainboard/google/hatch/variants/nightfury/gpio.c')
| -rw-r--r-- | src/mainboard/google/hatch/variants/nightfury/gpio.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/nightfury/gpio.c b/src/mainboard/google/hatch/variants/nightfury/gpio.c new file mode 100644 index 0000000000..681f9ecde2 --- /dev/null +++ b/src/mainboard/google/hatch/variants/nightfury/gpio.c @@ -0,0 +1,178 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2020 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[] = { + /* A18 : NC */ + PAD_NC(GPP_A18, NONE), + /* A19 : NC */ + PAD_NC(GPP_A19, NONE), + /* A20 : NC */ + PAD_NC(GPP_A20, NONE), + /* A22 : NC */ + PAD_NC(GPP_A22, NONE), + /* A23 : NC */ + PAD_NC(GPP_A23, NONE), + + /* B8 : NC */ + PAD_NC(GPP_B8, NONE), + /* B20 : NC */ + PAD_NC(GPP_B20, NONE), + /* B21 : NC */ + PAD_NC(GPP_B21, NONE), + /* B22 : NC */ + PAD_NC(GPP_B22, NONE), + + /* C1 : NC */ + PAD_NC(GPP_C1, NONE), + /* C12 : EN_PP3300_TSP_DX */ + PAD_CFG_GPO(GPP_C12, 0, DEEP), + /* C13 : EC_PCH_INT_L - needs to wake the system */ + PAD_CFG_GPI_IRQ_WAKE(GPP_C13, NONE, PLTRST, LEVEL, INVERT), + /* C23 : UART2_CTS# ==> NC */ + PAD_NC(GPP_C23, NONE), + + /* D16 : TOUCHSCREEN_INT_L */ + PAD_CFG_GPI_APIC(GPP_D16, NONE, PLTRST, LEVEL, INVERT), + + /* E4 : M2_SSD_PE_WAKE_ODL ==> NC */ + PAD_NC(GPP_E4, NONE), + /* E5 : SATA_DEVSLP1 ==> NC */ + PAD_NC(GPP_E5, NONE), + + /* F1 : GPP_F1 ==> NC */ + PAD_NC(GPP_F1, NONE), + /* F3 : MEM_STRAP_3 */ + PAD_CFG_GPI(GPP_F3, NONE, PLTRST), + /* F10 : MEM_STRAP_2 */ + PAD_CFG_GPI(GPP_F10, NONE, PLTRST), + /* F11 : EMMC_CMD ==> EMMC_CMD */ + PAD_CFG_NF(GPP_F11, NONE, DEEP, NF1), + /* F12 : EMMC_DATA0 ==> EMMC_DAT0 */ + PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1), + /* F13 : EMMC_DATA1 ==> EMMC_DAT1 */ + PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1), + /* F14 : EMMC_DATA2 ==> EMMC_DAT2 */ + PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1), + /* F15 : EMMC_DATA3 ==> EMMC_DAT3 */ + PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1), + /* F16 : EMMC_DATA4 ==> EMMC_DAT4 */ + PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1), + /* F17 : EMMC_DATA5 ==> EMMC_DAT5 */ + PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1), + /* F18 : EMMC_DATA6 ==> EMMC_DAT6 */ + PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1), + /* F19 : EMMC_DATA7 ==> EMMC_DAT7 */ + PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1), + /* F20 : EMMC_RCLK ==> EMMC_RCLK */ + PAD_CFG_NF(GPP_F20, NONE, DEEP, NF1), + /* F21 : EMMC_CLK ==> EMMC_CLK */ + PAD_CFG_NF(GPP_F21, NONE, DEEP, NF1), + /* F22 : EMMC_RESET# ==> EMMC_RST_L */ + PAD_CFG_NF(GPP_F22, NONE, DEEP, NF1), + + /* H3 : SPKR_PA_EN */ + PAD_CFG_GPO(GPP_H3, 0, DEEP), + /* H4 : NC */ + PAD_NC(GPP_H4, NONE), + /* H5 : NC */ + PAD_NC(GPP_H5, NONE), + /* H19 : 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), + /* F3 : PCH_MEM_STRAP3 */ + PAD_CFG_GPI(GPP_F3, NONE, PLTRST), + /* F10 : PCH_MEM_STRAP2 */ + PAD_CFG_GPI(GPP_F10, NONE, PLTRST), + /* H19 : PCH_MEM_STRAP0 */ + PAD_CFG_GPI(GPP_H19, NONE, PLTRST), + /* H22 : PCH_MEM_STRAP1 */ + PAD_CFG_GPI(GPP_H22, 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[] = { + +}; + +/* + * 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[] = { + +}; + +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; +} |