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

Disable SUSCLK for MT7922 based on FW_CONFIG to avoid power leakage.
SAR_ID_0 : Yaviks_Gfp2
SAR_ID_1 : Yaviks & Yavilla_MT7921
SAR_ID_2 : Yahiko_Gfp2
SAR_ID_3 : Yavilla_MT7922

BUG=b:298138654
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot

Change-Id: I2f191683d0623aa5dce815998a24fddce2a36b2c
Signed-off-by: Shon Wang <shon.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77559
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
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:
Shon Wang 2023-08-30 14:34:08 +08:00 committed by Felix Held
parent 730c3ba6d8
commit 6b69af8f77
2 changed files with 13 additions and 1 deletions
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11
src/mainboard/google/brya/variants/yavilla/fw_config.c
View File

@ -66,6 +66,11 @@ static const struct pad_config stylus_disable_pads[] = {
PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG), PAD_NC_LOCK(GPP_F15, 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) void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
{ {
if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) { if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
@ -88,5 +93,9 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
gpio_padbased_override(padbased_table, stylus_disable_pads, gpio_padbased_override(padbased_table, stylus_disable_pads,
ARRAY_SIZE(stylus_disable_pads)); ARRAY_SIZE(stylus_disable_pads));
} }
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/yavilla/overridetree.cb
View File

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