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

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/78260?usp=email )

(

5 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/rex/var/karis: add hook for WiFi SAR table
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mb/google/rex/var/karis: add hook for WiFi SAR table

WiFi SAR table for karis will be place into the CBFS later on and
as a result adding the hook in coreboot to make use of the SAR
table once the table is available.

BUG=b:290689824
TEST=emerge-rex coreboot

Change-Id: Ic989024ab9eb0fc439fc701c335a85986c4cfec5
Signed-off-by: YH Lin 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78260
Reviewed-by: Eric Lai 
Reviewed-by: Subrata Banik 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/Kconfig
M src/mainboard/google/rex/variants/karis/Makefile.inc
A src/mainboard/google/rex/variants/karis/variant.c
3 files changed, 13 insertions(+), 0 deletions(-)

Approvals:
  Eric Lai: Looks good to me, approved
  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 fc4bec6..3ba8e21 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -75,6 +75,7 @@
 config BOARD_GOOGLE_MODEL_KARIS
    def_bool n
    select BOARD_GOOGLE_BASEBOARD_REX
+	select CHROMEOS_WIFI_SAR if CHROMEOS

config BOARD_GOOGLE_BASEBOARD_OVIS
    def_bool n
diff --git a/src/mainboard/google/rex/variants/karis/Makefile.inc b/src/mainboard/google/rex/variants/karis/Makefile.inc
index 2638540..5595937 100644
--- a/src/mainboard/google/rex/variants/karis/Makefile.inc
+++ b/src/mainboard/google/rex/variants/karis/Makefile.inc
@@ -4,3 +4,4 @@
 romstage-y += gpio.c
 ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
 ramstage-y += gpio.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/rex/variants/karis/variant.c b/src/mainboard/google/rex/variants/karis/variant.c
new file mode 100644
index 0000000..308eea6
--- /dev/null
+++ b/src/mainboard/google/rex/variants/karis/variant.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <baseboard/variants.h>
+#include <chip.h>
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_TYPE));
+}