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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>
This commit is contained in:
Robert Chen 2023-05-15 23:22:22 -04:00 committed by Jakub Czapiga
parent 115aa9421d
commit 721b2ec2dd
1 changed files with 50 additions and 0 deletions
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50
src/mainboard/google/brya/variants/yavilla/fw_config.c
View File

@ -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));
}
}