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| author | T Michael Turney <mturney@codeaurora.org> | 2018-10-26 07:03:14 -0700 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2018-12-12 18:39:18 +0000 |
| commit | 4ba64c99e3afc7689eab1f498134c43d40248d25 (patch) | |
| tree | 220530dc1f5a0c3a15054cd94b80853811646e33 /src/mainboard/google/cheza/chromeos.c | |
| parent | 82d6f90c5f5f3ede9e57503550fbe4408c59de3d (diff) | |
| download | coreboot-4ba64c99e3afc7689eab1f498134c43d40248d25.tar.xz | |
cheza: board-level GPIO support
Change-Id: I64e79904c7ad95091ea29d9f80444c4e3b493471
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/29298
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/mainboard/google/cheza/chromeos.c')
| -rw-r--r-- | src/mainboard/google/cheza/chromeos.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/mainboard/google/cheza/chromeos.c b/src/mainboard/google/cheza/chromeos.c index 538e46fa4b..1c2c4f5c5f 100644 --- a/src/mainboard/google/cheza/chromeos.c +++ b/src/mainboard/google/cheza/chromeos.c @@ -14,8 +14,35 @@ */ #include <boot/coreboot_tables.h> +#include <bootmode.h> +#include "board.h" + +int get_write_protect_state(void) +{ + return !gpio_get(GPIO_WP_STATE); +} + +void setup_chromeos_gpios(void) +{ + gpio_input_pullup(GPIO_EC_IN_RW); + gpio_input_pullup(GPIO_AP_EC_INT); + gpio_output(GPIO_AP_SUSPEND, 1); + gpio_input(GPIO_WP_STATE); + gpio_input_pullup(GPIO_H1_AP_INT); +} void fill_lb_gpios(struct lb_gpios *gpios) { + struct lb_gpio chromeos_gpios[] = { + {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"}, + {GPIO_WP_STATE.addr, ACTIVE_LOW, gpio_get(GPIO_WP_STATE), + "write protect"}, + {GPIO_H1_AP_INT.addr, ACTIVE_LOW, gpio_get(GPIO_H1_AP_INT), + "TPM interrupt"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); } |