From d22f256e0346c2e75a72c3b9716e06c0e3cfa71a Mon Sep 17 00:00:00 2001
From: FrankChu <frank_chu@pegatron.corp-partner.google.com>
Date: Tue, 26 Jan 2021 16:11:12 +0800
Subject: [PATCH] mb/google/dedede/var/galith: Add Wifi SAR for convertibles

Add wifi sar for galith
Using convertible mode of fw config to decide to load custom wifi sar or not.

BUG=b:176206495
TEST=enable CHROMEOS_WIFI_SAR in config of coreboot,
emerge-dedede coreboot-private-files-baseboard-dedede coreboot chromeos-bootimage.

Cq-Depend: chromium:2649378,chrome-internal:3559387
Signed-off-by: FrankChu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: I0f9a7ddedef550317da4bf798317619ffd1fa979
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49923
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
---
 src/mainboard/google/dedede/Kconfig.name            |  1 +
 .../google/dedede/variants/galtic/Makefile.inc      |  2 ++
 .../google/dedede/variants/galtic/variant.c         | 13 +++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100644 src/mainboard/google/dedede/variants/galtic/variant.c

diff --git a/src/mainboard/google/dedede/Kconfig.name b/src/mainboard/google/dedede/Kconfig.name
index 883a6840ee..97b90c2e5b 100644
--- a/src/mainboard/google/dedede/Kconfig.name
+++ b/src/mainboard/google/dedede/Kconfig.name
@@ -85,6 +85,7 @@ config BOARD_GOOGLE_GALTIC
 	bool "-> Galtic"
 	select BOARD_GOOGLE_BASEBOARD_DEDEDE
 	select BASEBOARD_DEDEDE_LAPTOP
+	select GEO_SAR_ENABLE if CHROMEOS_WIFI_SAR
 
 config BOARD_GOOGLE_SASUKE
 	bool "-> Sasuke"
diff --git a/src/mainboard/google/dedede/variants/galtic/Makefile.inc b/src/mainboard/google/dedede/variants/galtic/Makefile.inc
index eb2c9bc021..717bb3a365 100644
--- a/src/mainboard/google/dedede/variants/galtic/Makefile.inc
+++ b/src/mainboard/google/dedede/variants/galtic/Makefile.inc
@@ -1,3 +1,5 @@
 ## SPDX-License-Identifier: GPL-2.0-or-later
 
+ramstage-$(CONFIG_FW_CONFIG) += variant.c
+
 ramstage-y += gpio.c
diff --git a/src/mainboard/google/dedede/variants/galtic/variant.c b/src/mainboard/google/dedede/variants/galtic/variant.c
new file mode 100644
index 0000000000..e7b1bb8ccd
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/galtic/variant.c
@@ -0,0 +1,13 @@
+/* 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_ENABLED)))
+		filename = "wifi_sar-galtic.hex";
+	return filename;
+}