Angel Pons | d32b6de | 2020-04-03 01:23:13 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 2 | |
Kyösti Mälkki | e3ddee0 | 2014-05-03 10:45:28 +0300 | [diff] [blame] | 3 | #include <bootmode.h> |
Kyösti Mälkki | 17887d0 | 2019-07-23 19:08:01 +0300 | [diff] [blame] | 4 | #include <boot/coreboot_tables.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 5 | #include <device/pci_ops.h> |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 6 | #include <device/device.h> |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 7 | #include <southbridge/intel/bd82x6x/pch.h> |
Patrick Rudolph | e8e66f4 | 2016-02-06 17:42:42 +0100 | [diff] [blame] | 8 | #include <southbridge/intel/common/gpio.h> |
Kyösti Mälkki | 9a3bde0 | 2021-11-06 16:13:15 +0200 | [diff] [blame] | 9 | #include <types.h> |
Aaron Durbin | b0f8151 | 2016-07-25 21:31:41 -0500 | [diff] [blame] | 10 | #include <vendorcode/google/chromeos/chromeos.h> |
Kyösti Mälkki | 0cb1166 | 2021-11-06 20:51:58 +0200 | [diff] [blame] | 11 | #include "onboard.h" |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 12 | |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 13 | void fill_lb_gpios(struct lb_gpios *gpios) |
| 14 | { |
Joel Kitching | 2e1f655 | 2019-03-23 12:41:04 +0800 | [diff] [blame] | 15 | struct lb_gpio chromeos_gpios[] = { |
Joel Kitching | 2e1f655 | 2019-03-23 12:41:04 +0800 | [diff] [blame] | 16 | /* Recovery: GPIO42 = CHP3_REC_MODE# */ |
| 17 | {GPIO_REC_MODE, ACTIVE_LOW, !get_recovery_mode_switch(), |
Matt Delco | 2cb3996 | 2019-04-30 14:59:43 -0700 | [diff] [blame] | 18 | "presence"}, |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 19 | |
Joel Kitching | 2e1f655 | 2019-03-23 12:41:04 +0800 | [diff] [blame] | 20 | /* Hard code the lid switch GPIO to open. */ |
| 21 | {100, ACTIVE_HIGH, 1, "lid"}, |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 22 | |
Joel Kitching | 2e1f655 | 2019-03-23 12:41:04 +0800 | [diff] [blame] | 23 | /* Power Button */ |
Kyösti Mälkki | 4b6ad4e | 2021-11-07 00:12:25 +0200 | [diff] [blame] | 24 | {101, ACTIVE_LOW, get_power_switch(), "power"}, |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 25 | |
Joel Kitching | 2e1f655 | 2019-03-23 12:41:04 +0800 | [diff] [blame] | 26 | /* Did we load the VGA Option ROM? */ |
| 27 | /* -1 indicates that this is a pseudo GPIO */ |
| 28 | {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, |
| 29 | }; |
| 30 | lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 31 | } |
Stefan Reinauer | e1ae4b2 | 2012-04-27 23:20:58 +0200 | [diff] [blame] | 32 | |
Kyösti Mälkki | 7a87433 | 2021-11-07 10:23:36 +0200 | [diff] [blame] | 33 | int get_write_protect_state(void) |
Kyösti Mälkki | 0cb1166 | 2021-11-06 20:51:58 +0200 | [diff] [blame] | 34 | { |
| 35 | return get_gpio(GPIO_SPI_WP); |
| 36 | } |
| 37 | |
Kyösti Mälkki | 7a87433 | 2021-11-07 10:23:36 +0200 | [diff] [blame] | 38 | int get_recovery_mode_switch(void) |
Kyösti Mälkki | 0cb1166 | 2021-11-06 20:51:58 +0200 | [diff] [blame] | 39 | { |
| 40 | return !get_gpio(GPIO_REC_MODE); |
| 41 | } |
| 42 | |
Kyösti Mälkki | 4b6ad4e | 2021-11-07 00:12:25 +0200 | [diff] [blame] | 43 | int get_power_switch(void) |
| 44 | { |
| 45 | const pci_devfn_t dev = PCI_DEV(0, 0x1f, 0); |
| 46 | u16 gen_pmcon_1 = pci_s_read_config32(dev, GEN_PMCON_1); |
| 47 | return (gen_pmcon_1 >> 9) & 1; |
| 48 | } |
| 49 | |
Aaron Durbin | b0f8151 | 2016-07-25 21:31:41 -0500 | [diff] [blame] | 50 | static const struct cros_gpio cros_gpios[] = { |
| 51 | CROS_GPIO_REC_AL(GPIO_REC_MODE, CROS_GPIO_DEVICE_NAME), |
Aaron Durbin | b0f8151 | 2016-07-25 21:31:41 -0500 | [diff] [blame] | 52 | CROS_GPIO_WP_AH(GPIO_SPI_WP, CROS_GPIO_DEVICE_NAME), |
| 53 | }; |
| 54 | |
Kyösti Mälkki | 4ff218a | 2021-11-02 13:03:06 +0200 | [diff] [blame] | 55 | DECLARE_CROS_GPIOS(cros_gpios); |