[S] Change in coreboot[master]: mb/google/nissa/var/yavilla: Enable wifi SAR

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/75673?usp=email )

Change subject: mb/google/nissa/var/yavilla: Enable wifi SAR
......................................................................

mb/google/nissa/var/yavilla: Enable wifi SAR

Enable wifi sar function for yavilla/yavilly/yavijo.
Use the fw_config to separate SAR setting for different wifi card.

BUG=b:286141046
BRANCH=firmware-nissa-15217.B
TEST=build, enabled iwlwifi debug, and check dmesg

Change-Id: I1bd111a734a250df49535a07ef056d5b68fccb33
Signed-off-by: Shon Wang 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75673
Tested-by: build bot (Jenkins) 
Reviewed-by: Derek Huang 
---
M src/mainboard/google/brya/Kconfig.name
M src/mainboard/google/brya/variants/yavilla/overridetree.cb
M src/mainboard/google/brya/variants/yavilla/variant.c
3 files changed, 16 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Derek Huang: Looks good to me, approved

diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 44c1156..ceac90e 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -378,6 +378,7 @@
    select DRIVERS_GENERIC_GPIO_KEYS
    select DRIVERS_INTEL_MIPI_CAMERA
    select HAVE_WWAN_POWER_SEQUENCE
+	select CHROMEOS_WIFI_SAR if CHROMEOS

config BOARD_GOOGLE_GOTHRAX
    bool "->  Gothrax"
diff --git a/src/mainboard/google/brya/variants/yavilla/overridetree.cb b/src/mainboard/google/brya/variants/yavilla/overridetree.cb
index 6e6e0a9..ede4e54 100644
--- a/src/mainboard/google/brya/variants/yavilla/overridetree.cb
+++ b/src/mainboard/google/brya/variants/yavilla/overridetree.cb
@@ -28,6 +28,15 @@
    	option MB_1C			0
    	option MB_1C_2A			1
    end
+	field WIFI_SAR_ID2 16 19
+		option INTEL_YAVILLA_LTE	0
+		option INTEL_YAVILLA_WIFI	1
+		option INTEL_YAVILLY_LTE	2
+		option INTEL_YAVILLY_WIFI	3
+		option INTEL_YAVIJO_LTE		4
+		option INTEL_YAVIJO_WIFI	5
+		option UNUSED			15
+	end
 end

chip soc/intel/alderlake
diff --git a/src/mainboard/google/brya/variants/yavilla/variant.c b/src/mainboard/google/brya/variants/yavilla/variant.c
index 60a7c79..9140eb0 100644
--- a/src/mainboard/google/brya/variants/yavilla/variant.c
+++ b/src/mainboard/google/brya/variants/yavilla/variant.c
@@ -4,6 +4,7 @@
 #include <boardid.h>
 #include <device/device.h>
 #include <fw_config.h>
+#include <sar.h>

void variant_devtree_update(void)
 {
@@ -27,3 +28,8 @@
    	ish->enabled = 0;
    }
 }
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID2));
+}