| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <boot/coreboot_tables.h> |
| #include <bootmode.h> |
| #include "board.h" |
| #include <drivers/tpm/cr50.h> |
| |
| void setup_chromeos_gpios(void) |
| { |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) { |
| gpio_input_pullup(GPIO_EC_IN_RW); |
| gpio_input_pullup(GPIO_AP_EC_INT); |
| } |
| if (CONFIG(MAINBOARD_HAS_TPM2)) |
| gpio_input_irq(GPIO_H1_AP_INT, IRQ_TYPE_RISING_EDGE, GPIO_PULL_UP); |
| |
| gpio_input_pullup(GPIO_SD_CD_L); |
| |
| if (CONFIG(HEROBRINE_HAS_FINGERPRINT)) { |
| gpio_output(GPIO_FPMCU_BOOT0, 0); |
| gpio_output(GPIO_FP_RST_L, 0); |
| gpio_output(GPIO_EN_FP_RAILS, 0); |
| } |
| gpio_output(GPIO_AMP_ENABLE, 0); |
| } |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| const struct lb_gpio chromeos_gpios[] = { |
| {GPIO_SD_CD_L.addr, ACTIVE_LOW, gpio_get(GPIO_SD_CD_L), |
| "SD card detect"}, |
| {GPIO_AMP_ENABLE.addr, ACTIVE_HIGH, gpio_get(GPIO_AMP_ENABLE), |
| "speaker enable"}, |
| #if CONFIG(EC_GOOGLE_CHROMEEC) |
| {GPIO_EC_IN_RW.addr, ACTIVE_LOW, gpio_get(GPIO_EC_IN_RW), |
| "EC in RW"}, |
| {GPIO_AP_EC_INT.addr, ACTIVE_LOW, gpio_get(GPIO_AP_EC_INT), |
| "EC interrupt"}, |
| #endif |
| #if CONFIG(MAINBOARD_HAS_TPM2) |
| {GPIO_H1_AP_INT.addr, ACTIVE_HIGH, gpio_get(GPIO_H1_AP_INT), |
| "TPM interrupt"}, |
| #endif |
| }; |
| |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_ec_is_trusted(void) |
| { |
| /* EC is trusted if not in RW. This is active low. */ |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) |
| return !!gpio_get(GPIO_EC_IN_RW); |
| else /* If no EC, always return true */ |
| return 1; |
| } |
| |
| int cr50_plat_irq_status(void) |
| { |
| return gpio_irq_status(GPIO_H1_AP_INT); |
| } |