diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/trogdor/boardid.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/src/mainboard/google/trogdor/boardid.c b/src/mainboard/google/trogdor/boardid.c index c1a48925fa..f60dddbeeb 100644 --- a/src/mainboard/google/trogdor/boardid.c +++ b/src/mainboard/google/trogdor/boardid.c @@ -2,6 +2,7 @@ #include <boardid.h> #include <gpio.h> +#include <types.h> uint32_t board_id(void) { @@ -15,14 +16,27 @@ uint32_t board_id(void) return id; } +/* Whether a revision was built before or after the great pin migration of August 2020. */ +static bool use_old_pins(void) +{ + return ((CONFIG(BOARD_GOOGLE_TROGDOR) && board_id() < 2) || + (CONFIG(BOARD_GOOGLE_LAZOR) && board_id() < 3) || + (CONFIG(BOARD_GOOGLE_POMPOM) && board_id() < 1)); +} + uint32_t ram_code(void) { static uint32_t id = UNDEFINED_STRAPPING_ID; - const gpio_t pins[] = {[2] = GPIO(13), [1] = GPIO(19), [0] = GPIO(29)}; + const gpio_t old_pins[] = {[2] = GPIO(13), [1] = GPIO(19), [0] = GPIO(29)}; + const gpio_t pins[] = {[2] = GPIO(5), [1] = GPIO(3), [0] = GPIO(1)}; - if (id == UNDEFINED_STRAPPING_ID) - id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + if (id == UNDEFINED_STRAPPING_ID) { + if (use_old_pins()) + id = gpio_base2_value(old_pins, ARRAY_SIZE(old_pins)); + else + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + } return id; } @@ -31,10 +45,15 @@ uint32_t sku_id(void) { static uint32_t id = UNDEFINED_STRAPPING_ID; - const gpio_t pins[] = {[2] = GPIO(20), [1] = GPIO(90), [0] = GPIO(105)}; + const gpio_t old_pins[] = {[2] = GPIO(20), [1] = GPIO(90), [0] = GPIO(105)}; + const gpio_t pins[] = {[2] = GPIO(2), [1] = GPIO(90), [0] = GPIO(58)}; - if (id == UNDEFINED_STRAPPING_ID) - id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + if (id == UNDEFINED_STRAPPING_ID) { + if (use_old_pins()) + id = gpio_base2_value(old_pins, ARRAY_SIZE(old_pins)); + else + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + } return id; } |