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authorRobert Chen <robert.chen@quanta.corp-partner.google.com>2023-05-15 23:22:22 -0400
committerJakub Czapiga <jacz@semihalf.com>2023-05-22 06:20:52 +0000
commit721b2ec2dd6072ba6c3e54207480796dc7fb6e66 (patch)
treeb457ad4274cd136bd1d8c668ac12e9da1af4e3a1 /src
parent115aa9421db618f1e2f8f4161da4da3f0b37a849 (diff)
mb/google/nissa/var/yavilla: Disable unused gpio with fw_config
Disable unused gpio for LTE daughter board, WFC and stylus. BUG=b:277148122 BRANCH=firmware-nissa-15217.B TEST=emerge-nissa coreboot Change-Id: I6cc61321cd96a10dd34ff6cd9fcabe85a64bbfa9 Signed-off-by: Robert Chen <robert.chen@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/75293 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/brya/variants/yavilla/fw_config.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/yavilla/fw_config.c b/src/mainboard/google/brya/variants/yavilla/fw_config.c
index 800fc1f205..7231885d2a 100644
--- a/src/mainboard/google/brya/variants/yavilla/fw_config.c
+++ b/src/mainboard/google/brya/variants/yavilla/fw_config.c
@@ -5,6 +5,33 @@
#include <console/console.h>
#include <fw_config.h>
+
+static const struct pad_config lte_disable_pads[] = {
+ /* A8 : WWAN_RF_DISABLE_ODL */
+ PAD_NC(GPP_A8, NONE),
+ /* D6 : WWAN_EN */
+ PAD_NC(GPP_D6, NONE),
+ /* F12 : WWAN_RST_L */
+ PAD_NC(GPP_F12, NONE),
+ /* H23 : WWAN_SAR_DETECT_ODL */
+ PAD_NC(GPP_H23, NONE),
+};
+
+static const struct pad_config wfc_disable_pads[] = {
+ /* D3 : WCAM_RST_L */
+ PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
+ /* D15 : EN_PP2800_WCAM_X */
+ PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
+ /* D16 : EN_PP1800_PP1200_WCAM_X */
+ PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
+ /* H22 : WCAM_MCLK_R */
+ PAD_NC(GPP_H22, NONE),
+ /* R6 : DMIC_WCAM_CLK_R */
+ PAD_NC(GPP_R6, NONE),
+ /* R7 : DMIC_WCAM_DATA */
+ PAD_NC(GPP_R7, NONE),
+};
+
static const struct pad_config emmc_disable_pads[] = {
/* I7 : EMMC_CMD */
PAD_NC(GPP_I7, NONE),
@@ -32,11 +59,34 @@ static const struct pad_config emmc_disable_pads[] = {
PAD_NC(GPP_I18, NONE),
};
+static const struct pad_config stylus_disable_pads[] = {
+ /* F13 : SOC_PEN_DETECT_R_ODL */
+ PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
+ /* F15 : SOC_PEN_DETECT_ODL */
+ PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
+};
+
void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
{
+ if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
+ printk(BIOS_INFO, "Disable LTE-related GPIO pins.\n");
+ gpio_padbased_override(padbased_table, lte_disable_pads,
+ ARRAY_SIZE(lte_disable_pads));
+ }
+ if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) {
+ printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n");
+ gpio_padbased_override(padbased_table, wfc_disable_pads,
+ ARRAY_SIZE(wfc_disable_pads));
+ }
if (fw_config_is_provisioned() && !fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
printk(BIOS_INFO, "Disable eMMC GPIO pins.\n");
gpio_padbased_override(padbased_table, emmc_disable_pads,
ARRAY_SIZE(emmc_disable_pads));
}
+ if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
+ printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
+ gpio_padbased_override(padbased_table, stylus_disable_pads,
+ ARRAY_SIZE(stylus_disable_pads));
+ }
+
}