google/trogdor: change board ID detect to tristate solution.
change binary board ID to tri-state mode.
BUG=b:190250108
BRANCH=None
TEST=emerge-trogdor coreboot
Signed-off-by: Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: I79d1212abc227341be126969ef32e76a635cbdaf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55563
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/trogdor/boardid.c b/src/mainboard/google/trogdor/boardid.c
index edde164..ddb240a 100644
--- a/src/mainboard/google/trogdor/boardid.c
+++ b/src/mainboard/google/trogdor/boardid.c
@@ -11,7 +11,7 @@
const gpio_t pins[] = {[2] = GPIO(31), [1] = GPIO(93), [0] = GPIO(33)};
if (id == UNDEFINED_STRAPPING_ID)
- id = gpio_base2_value(pins, ARRAY_SIZE(pins));
+ id = gpio_binary_first_base3_value(pins, ARRAY_SIZE(pins));
return id;
}