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mb/google/nissa/var/yaviks: Disable SUSCLK based on fw_config 

Disable SUSCLK for MT7922 based on FW_CONFIG to avoid power leakage.

BUG=b:296511904, b:294456574
BRANCH=firmware-nissa-15217.B
TEST=build and verified by EE

Change-Id: I9a6bf0ab7cc77f95e0d64f1380eac9e022fc08e4
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77383
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:
Wisley Chen 2023-08-22 16:03:05 +08:00 committed by Martin L Roth
parent b792f6a2b9
commit 8e42ebeea2
2 changed files with 14 additions and 0 deletions
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11
src/mainboard/google/brya/variants/yaviks/fw_config.c
View File

@ -61,6 +61,11 @@ static const struct pad_config sd_disable_pads[] = {
PAD_NC_LOCK(GPP_H13, NONE, LOCK_CONFIG),
};
static const struct pad_config disable_wifi_pch_susclk[] = {
/* GPD8 ==> NC */
PAD_NC(GPD8, NONE),
};
void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
{
if (fw_config_is_provisioned() && !fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
@ -83,4 +88,10 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
gpio_padbased_override(padbased_table, sd_disable_pads,
ARRAY_SIZE(sd_disable_pads));
}
/* SAR_ID_3 for MT7922 */
if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, SAR_ID_3))) {
printk(BIOS_INFO, "Disable PCH SUSCLK.\n");
gpio_padbased_override(padbased_table, disable_wifi_pch_susclk,
ARRAY_SIZE(disable_wifi_pch_susclk));
}
}

3
src/mainboard/google/brya/variants/yaviks/overridetree.cb
View File

@ -7,6 +7,9 @@ fw_config
end
field WIFI_SAR_ID 2 3
option SAR_ID_0 0
option SAR_ID_1 1
option SAR_ID_2 2
option SAR_ID_3 3
end
field STYLUS 9
option STYLUS_ABSENT 0