[coreboot-gerrit] Change in coreboot[master]: mb/google/zork: de-assert eMMC RST for Morphius

[Kevin Chiu (Code Review)]

Kevin Chiu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45756 )

Change subject: mb/google/zork: de-assert eMMC RST for Morphius
......................................................................

mb/google/zork: de-assert eMMC RST for Morphius

de-assert eMMC RST (GPIO68) to prevent eMMC abnormal.

BUG=b:169211959
BRANCH=zork
TEST=1. emerge-zork coreboot
     2. check GPIO86 state is PU

Change-Id: I9feb826eec8a8cdad5e2bd7efcbb1dcf96185dfd
Signed-off-by: Kevin Chiu 
---
M src/mainboard/google/zork/variants/morphius/gpio.c
1 file changed, 9 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/56/45756/1

diff --git a/src/mainboard/google/zork/variants/morphius/gpio.c b/src/mainboard/google/zork/variants/morphius/gpio.c
index 8da0de4..c1655fa 100644
--- a/src/mainboard/google/zork/variants/morphius/gpio.c
+++ b/src/mainboard/google/zork/variants/morphius/gpio.c
@@ -52,6 +52,8 @@
 };

static const struct soc_amd_gpio morphius_bid3_gpio_set_stage_ram[] = {
+	/* EMMC_RESET */
+	PAD_GPO(GPIO_68, HIGH),
    /* EN_DEV_BEEP_L */
    PAD_GPO(GPIO_89, HIGH),
    /* TP */
@@ -60,6 +62,11 @@
    PAD_GPO(GPIO_140, HIGH),
 };

+static const struct soc_amd_gpio morphius_gpio_set_stage_ram[] = {
+	/* EMMC_RESET */
+	PAD_GPO(GPIO_68, HIGH),
+};
+
 const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
 {
    uint32_t board_version;
@@ -83,6 +90,6 @@
    	return morphius_bid3_gpio_set_stage_ram;
    }

-	*size = 0;
-	return NULL;
+	*size = ARRAY_SIZE(morphius_gpio_set_stage_ram);
+	return morphius_gpio_set_stage_ram;
 }