diff options
Diffstat (limited to 'src/mainboard/google/guybrush/chromeos.c')
| -rw-r--r-- | src/mainboard/google/guybrush/chromeos.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/chromeos.c b/src/mainboard/google/guybrush/chromeos.c index 3e54fa4964..9875554d64 100644 --- a/src/mainboard/google/guybrush/chromeos.c +++ b/src/mainboard/google/guybrush/chromeos.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ #include <baseboard/gpio.h> +#include <boardid.h> #include <bootmode.h> #include <boot/coreboot_tables.h> #include <gpio.h> @@ -26,3 +27,14 @@ void mainboard_chromeos_acpi_generate(void) { chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios)); } + +int get_ec_is_trusted(void) +{ + /* Board versions 1 & 2 support H1 DB, but the EC_IN_RW signal is not + routed. So emulate EC is trusted. */ + if (CONFIG(BOARD_GOOGLE_GUYBRUSH) && + (board_id() == UNDEFINED_STRAPPING_ID || board_id() < 3)) + return 1; + /* EC is trusted if not in RW. */ + return !gpio_get(GPIO_EC_IN_RW); +} |