[S] Change in coreboot[master]: mb/google/rex/var/screebo: add hook for WiFi SAR table

[Martin L Roth (Code Review)]

Martin L Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77598?usp=email )

Change subject: mb/google/rex/var/screebo: add hook for WiFi SAR table
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mb/google/rex/var/screebo: add hook for WiFi SAR table

As a preparation for WiFi SAR table addition, adding hook for it.

BUG=b:291155207
TEST=emerge-rex coreboot

Change-Id: Ia313cfddec278e6bf8498407b242c027a5891deb
Signed-off-by: YH Lin 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77598
Reviewed-by: Subrata Banik 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/Kconfig
M src/mainboard/google/rex/variants/screebo/overridetree.cb
M src/mainboard/google/rex/variants/screebo/variant.c
3 files changed, 11 insertions(+), 0 deletions(-)

Approvals:
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 78dc780..b289408 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -64,6 +64,7 @@
 config BOARD_GOOGLE_MODEL_SCREEBO
    def_bool n
    select BOARD_GOOGLE_BASEBOARD_REX
+	select CHROMEOS_WIFI_SAR if CHROMEOS
    select DRIVERS_GENERIC_ALC1015
    select DRIVERS_GENESYSLOGIC_GL9750
    select DRIVERS_GENESYSLOGIC_GL9750_INVERT_WP
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 6878ac6..772ba9c5 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -26,6 +26,10 @@
    	option SD_GL9750		0
    	option SD_RTS5227S		1
    end
+	field WIFI_SAR_ID 13
+		option WIFI_SAR_ID_0		0
+		option WIFI_SAR_ID_1		1
+	end
 end

chip soc/intel/meteorlake
diff --git a/src/mainboard/google/rex/variants/screebo/variant.c b/src/mainboard/google/rex/variants/screebo/variant.c
index 4044fd4..4ea6598 100644
--- a/src/mainboard/google/rex/variants/screebo/variant.c
+++ b/src/mainboard/google/rex/variants/screebo/variant.c
@@ -3,6 +3,12 @@
 #include <chip.h>
 #include <fw_config.h>
 #include <baseboard/variants.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID));
+}

void variant_update_soc_chip_config(struct soc_intel_meteorlake_config *config)
 {