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authorTyler Wang <tyler.wang@quanta.corp-partner.google.com>2023-12-15 16:15:38 +0800
committerSubrata Banik <subratabanik@google.com>2023-12-21 04:26:17 +0000
commitd9b88949546d0e7094172de081b011fe3ccf1c6a (patch)
tree58af8bd82581cbc3a2f3bc4bbd425c07bc4e3fa6 /src
parent95acd31d302d6cb2c6b2be0b6c0eb9f9318d1078 (diff)
mb/google/rex/var/karis: Add HDMI/eDP GPIOs to early GPIO list
Add HDMI GPIO configuration to early GPIO list to support VGA text o/p in Pre-RAM stage on HDMI. BUG=b:316982707 TEST=Erase MRC cache and reboot, SOL text display on HDMI/eDP Change-Id: Idb2af56baeb4d0ef9db5fc1c5dbcebecee6515e6 Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79572 Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <ericllai@google.com> Reviewed-by: Kapil Porwal <kapilporwal@google.com> Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/rex/variants/karis/gpio.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c
index 4f1361c9ef..646efda5e5 100644
--- a/src/mainboard/google/rex/variants/karis/gpio.c
+++ b/src/mainboard/google/rex/variants/karis/gpio.c
@@ -367,6 +367,8 @@ static const struct pad_config gpio_table[] = {
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
+ /* GPP_B16 : [] ==> SOC_HDMI_HPD_L */
+ PAD_CFG_NF(GPP_B16, NONE, DEEP, NF2),
/* GPP_B18 : [] ==> SOC_I2C_TPM_SDA */
PAD_CFG_NF(GPP_B18, NONE, DEEP, NF2),
/* GPP_B19 : [] ==> SOC_I2C_TPM_SCL */
@@ -374,11 +376,17 @@ static const struct pad_config early_gpio_table[] = {
/* GPP_E03 : [] ==> GSC_SOC_INT_ODL */
PAD_CFG_GPI_APIC(GPP_E03, NONE, PLTRST, LEVEL, INVERT),
+ /* GPP_E14 : [] ==> SOC_EDP_HPD_L */
+ PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
/* GPP_H08 : [] ==> UART_DBG_TX_SOC_RX_R */
PAD_CFG_NF(GPP_H08, NONE, DEEP, NF1),
/* GPP_H09 : [] ==> UART_SOC_TX_DBG_RX_R */
PAD_CFG_NF(GPP_H09, NONE, DEEP, NF1),
+ /* GPP_H16 : [] ==> DDIB_HDMI_CTRLCLK*/
+ PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
+ /* GPP_H17 : [] ==> DDIB_HDMI_CTRLDATA */
+ PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
/* GPP_D03 : Not Connected */
PAD_NC(GPP_D03, NONE),