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authorShon Wang <shon.wang@quanta.corp-partner.google.com>2023-08-30 14:34:08 +0800
committerFelix Held <felix-coreboot@felixheld.de>2023-09-05 12:49:31 +0000
commit6b69af8f774bb4131b61227cdb0bc30ff9025e01 (patch)
tree516c06972f47535d1fd786529229e5fe32f51168 /src
parent730c3ba6d81aa26b6c3438a613fe964fc9e4ea3f (diff)
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>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/brya/variants/yavilla/fw_config.c11
-rw-r--r--src/mainboard/google/brya/variants/yavilla/overridetree.cb3
2 files changed, 13 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/yavilla/fw_config.c b/src/mainboard/google/brya/variants/yavilla/fw_config.c
index 7231885d2a..0f08a43b83 100644
--- a/src/mainboard/google/brya/variants/yavilla/fw_config.c
+++ b/src/mainboard/google/brya/variants/yavilla/fw_config.c
@@ -66,6 +66,11 @@ static const struct pad_config stylus_disable_pads[] = {
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)
{
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,
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));
+ }
}
diff --git a/src/mainboard/google/brya/variants/yavilla/overridetree.cb b/src/mainboard/google/brya/variants/yavilla/overridetree.cb
index 86e784e42d..6d2b47f918 100644
--- a/src/mainboard/google/brya/variants/yavilla/overridetree.cb
+++ b/src/mainboard/google/brya/variants/yavilla/overridetree.cb
@@ -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