mb/google/poppy: Add variant callback for romstage GPIO configuration

This change adds variant callback to get GPIO configuration table in
romstage and configures these GPIOs before memory training is
performed.

BUG=b:111860510
BRANCH=poppy

Change-Id: I1eb51356fb3f4c0f4ff29b22dbcde6dbece303ad
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/27863
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mainboard/google/poppy/variants/baseboard/gpio.c b/src/mainboard/google/poppy/variants/baseboard/gpio.c
index 25202e6139..c1b8e4ce55 100644
--- a/src/mainboard/google/poppy/variants/baseboard/gpio.c
+++ b/src/mainboard/google/poppy/variants/baseboard/gpio.c
@@ -403,3 +403,9 @@ const struct cros_gpio * __weak variant_cros_gpios(size_t *num)
 	*num = ARRAY_SIZE(cros_gpios);
 	return cros_gpios;
 }
+
+const struct pad_config * __weak variant_romstage_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}