From 834bddfe03b2da4daca01fdcf6392fae73473375 Mon Sep 17 00:00:00 2001
From: Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com>
Date: Tue, 11 May 2021 17:33:52 +0800
Subject: mb/google/volteer/var/volteer: add specific wifi SAR for volta

volta will use different wifi SAR from voxel.
Using clamshell mode of fw config to decide to load volta wifi sar.

BUG=b:184820057
TEST=build and verify wifi power as expect.

Cq-Depend: chrome-internal:3824093
Signed-off-by: Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: I000aefca63346c70556688f232ca54360b3badef
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54051
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: YH Lin <yueherngl@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/volteer/Kconfig.name                |  1 +
 src/mainboard/google/volteer/variants/voxel/Makefile.inc |  1 +
 src/mainboard/google/volteer/variants/voxel/variant.c    | 14 ++++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100644 src/mainboard/google/volteer/variants/voxel/variant.c

(limited to 'src')

diff --git a/src/mainboard/google/volteer/Kconfig.name b/src/mainboard/google/volteer/Kconfig.name
index f445b46f65..c483cc9d12 100644
--- a/src/mainboard/google/volteer/Kconfig.name
+++ b/src/mainboard/google/volteer/Kconfig.name
@@ -65,6 +65,7 @@ config BOARD_GOOGLE_VOLTEER2_TI50
 config BOARD_GOOGLE_VOXEL
 	bool "-> Voxel"
 	select BOARD_GOOGLE_BASEBOARD_VOLTEER
+	select GEO_SAR_ENABLE if CHROMEOS_WIFI_SAR
 
 config BOARD_GOOGLE_ELEMI
 	bool "-> Elemi"
diff --git a/src/mainboard/google/volteer/variants/voxel/Makefile.inc b/src/mainboard/google/volteer/variants/voxel/Makefile.inc
index 3488dc6cc2..310a99c0ed 100644
--- a/src/mainboard/google/volteer/variants/voxel/Makefile.inc
+++ b/src/mainboard/google/volteer/variants/voxel/Makefile.inc
@@ -6,3 +6,4 @@ romstage-y += memory.c
 
 ramstage-y += gpio.c
 ramstage-y += ramstage.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/volteer/variants/voxel/variant.c b/src/mainboard/google/volteer/variants/voxel/variant.c
new file mode 100644
index 0000000000..70fa3a061a
--- /dev/null
+++ b/src/mainboard/google/volteer/variants/voxel/variant.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	const char *filename = NULL;
+
+	if (fw_config_probe(FW_CONFIG(TABLETMODE, TABLETMODE_DISABLED)))
+		filename = "wifi_sar-volta.hex";
+
+	return filename;
+}
-- 
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