Yidi Lin | 97b9d9e | 2021-04-12 12:01:48 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <bootmode.h> |
| 4 | #include <boot/coreboot_tables.h> |
Grzegorz Bernacki | 7758b47 | 2023-06-14 12:01:32 +0000 | [diff] [blame^] | 5 | #include <drivers/tpm/cr50.h> |
Yu-Ping Wu | a21797a | 2021-04-01 16:11:25 +0800 | [diff] [blame] | 6 | #include <gpio.h> |
| 7 | |
| 8 | #include "gpio.h" |
| 9 | |
| 10 | void setup_chromeos_gpios(void) |
| 11 | { |
| 12 | gpio_input(GPIO_WP); |
| 13 | gpio_input_pullup(GPIO_EC_AP_INT); |
| 14 | gpio_input_pullup(GPIO_SD_CD); |
| 15 | gpio_input_pullup(GPIO_EC_IN_RW); |
| 16 | gpio_input_pullup(GPIO_GSC_AP_INT); |
| 17 | gpio_output(GPIO_EN_SPK, 0); |
| 18 | gpio_output(GPIO_RESET, 0); |
Yu-Ping Wu | 1ce6453 | 2021-07-15 11:34:43 +0800 | [diff] [blame] | 19 | gpio_output(GPIO_XHCI_DONE, 0); |
Trevor Wu | 1d19432 | 2021-08-17 15:58:11 +0800 | [diff] [blame] | 20 | if (CONFIG(CHERRY_USE_RT1019)) |
| 21 | gpio_output(GPIO_BEEP_ON, 0); |
| 22 | else if (CONFIG(CHERRY_USE_RT1011)) |
| 23 | gpio_output(GPIO_RST_RT1011, 0); |
| 24 | |
Yu-Ping Wu | a21797a | 2021-04-01 16:11:25 +0800 | [diff] [blame] | 25 | } |
Yidi Lin | 97b9d9e | 2021-04-12 12:01:48 +0800 | [diff] [blame] | 26 | |
| 27 | void fill_lb_gpios(struct lb_gpios *gpios) |
| 28 | { |
Yu-Ping Wu | a21797a | 2021-04-01 16:11:25 +0800 | [diff] [blame] | 29 | struct lb_gpio chromeos_gpios[] = { |
| 30 | {GPIO_EC_AP_INT.id, ACTIVE_LOW, -1, "EC interrupt"}, |
| 31 | {GPIO_SD_CD.id, ACTIVE_LOW, -1, "SD card detect"}, |
| 32 | {GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"}, |
Rex-BC Chen | bcf42fb | 2021-06-15 20:19:01 +0800 | [diff] [blame] | 33 | /* |
| 34 | * The GPIO_GSC_AP_INT itself is active low, but the payloads will |
| 35 | * create the IRQ using its eint driver, which is active high. |
| 36 | */ |
| 37 | {GPIO_GSC_AP_INT.id, ACTIVE_HIGH, -1, "TPM interrupt"}, |
Trevor Wu | 1d19432 | 2021-08-17 15:58:11 +0800 | [diff] [blame] | 38 | }; |
| 39 | |
| 40 | struct lb_gpio rt1019_gpios[] = { |
| 41 | {GPIO_BEEP_ON.id, ACTIVE_HIGH, -1, "beep enable"}, |
Yu-Ping Wu | a21797a | 2021-04-01 16:11:25 +0800 | [diff] [blame] | 42 | {GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"}, |
| 43 | }; |
Trevor Wu | 1d19432 | 2021-08-17 15:58:11 +0800 | [diff] [blame] | 44 | |
| 45 | struct lb_gpio rt1011_gpios[] = { |
| 46 | {GPIO_RST_RT1011.id, ACTIVE_HIGH, -1, "rt1011 reset"}, |
| 47 | {GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"}, |
| 48 | }; |
| 49 | |
Trevor Wu | 812df72 | 2022-03-22 13:09:13 +0800 | [diff] [blame] | 50 | struct lb_gpio spk_gpios[] = { |
| 51 | {GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"}, |
| 52 | }; |
| 53 | |
Yu-Ping Wu | a21797a | 2021-04-01 16:11:25 +0800 | [diff] [blame] | 54 | lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
Trevor Wu | 1d19432 | 2021-08-17 15:58:11 +0800 | [diff] [blame] | 55 | |
| 56 | if (CONFIG(CHERRY_USE_RT1019)) |
| 57 | lb_add_gpios(gpios, rt1019_gpios, ARRAY_SIZE(rt1019_gpios)); |
| 58 | else if (CONFIG(CHERRY_USE_RT1011)) |
| 59 | lb_add_gpios(gpios, rt1011_gpios, ARRAY_SIZE(rt1011_gpios)); |
Trevor Wu | 812df72 | 2022-03-22 13:09:13 +0800 | [diff] [blame] | 60 | else if (CONFIG(CHERRY_USE_MAX98390)) |
| 61 | lb_add_gpios(gpios, spk_gpios, ARRAY_SIZE(spk_gpios)); |
Yidi Lin | 97b9d9e | 2021-04-12 12:01:48 +0800 | [diff] [blame] | 62 | } |
Yidi Lin | 4b97a13 | 2021-04-06 14:10:53 +0800 | [diff] [blame] | 63 | |
Grzegorz Bernacki | 7758b47 | 2023-06-14 12:01:32 +0000 | [diff] [blame^] | 64 | int cr50_plat_irq_status(void) |
Yidi Lin | 4b97a13 | 2021-04-06 14:10:53 +0800 | [diff] [blame] | 65 | { |
| 66 | return gpio_eint_poll(GPIO_GSC_AP_INT); |
| 67 | } |
Hsuan-ting Chen | 642508a | 2021-10-27 10:59:41 +0000 | [diff] [blame] | 68 | |
| 69 | int get_ec_is_trusted(void) |
| 70 | { |
| 71 | /* EC is trusted if not in RW. This is active low. */ |
| 72 | return !!gpio_get(GPIO_EC_IN_RW); |
| 73 | } |