diff options
| author | Julius Werner <jwerner@chromium.org> | 2017-12-04 16:47:53 -0800 |
|---|---|---|
| committer | Julius Werner <jwerner@chromium.org> | 2017-12-07 01:19:46 +0000 |
| commit | 4177679a84786de8cd91d9dab654182e47cecc2c (patch) | |
| tree | 50d81b88205bb68161103162b87755ac6a50eb70 /src/mainboard | |
| parent | b7e1557355fc091c1b459f7a70343d5585d259dd (diff) | |
google/gru: Add SKU ID for Scarlet
Scarlet has SKU detection strapping pins now. This patch adds the code
to read them.
BUG=b:69373077
Change-Id: I8d889a845950923bc7b5be9b79792cf3c8b6b8ad
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/22697
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/gru/boardid.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/boardid.c b/src/mainboard/google/gru/boardid.c index 8158124c7f..9dc7b05218 100644 --- a/src/mainboard/google/gru/boardid.c +++ b/src/mainboard/google/gru/boardid.c @@ -15,6 +15,7 @@ #include <boardid.h> #include <console/console.h> +#include <gpio.h> #include <stdlib.h> #include <soc/saradc.h> @@ -75,3 +76,18 @@ uint32_t ram_code(void) { return get_index(0, &cached_ram_id); } + +uint32_t sku_id(void) +{ + if (!IS_ENABLED(CONFIG_GRU_BASEBOARD_SCARLET)) + return UNDEFINED_STRAPPING_ID; + + static uint32_t sku_id = UNDEFINED_STRAPPING_ID; + if (sku_id != UNDEFINED_STRAPPING_ID) + return sku_id; + + gpio_t pins[3] = {[2] = GPIO(3, D, 6), [1] = GPIO(3, D, 5), + [0] = GPIO(3, D, 4)}; /* GPIO3_D4 is LSB */ + sku_id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + return sku_id; +} |