UPSTREAM: mb/google/octopus: Add custom SAR values for Laser

Laser would prefer to use different SAR values. Since Laser
sku id is 5.

BUG=b:130381493
BRANCH=octopus
TEST=build

Change-Id: Ibd297036ec71cf4b19854c0e866cacf6bdf69484
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 2efee9df8581a5b1898d58c6d8f7ba3552ce1ed0
Original-Change-Id: I5cce38a191edfb235e274db3c788c58b65e0ebe1
Original-Signed-off-by: peichao.wang <peichao.wang@bitland.corp-partner.google.com>
Original-Reviewed-on: https://review.coreboot.org/c/coreboot/+/32296
Original-Reviewed-by: Furquan Shaikh <furquan@google.com>
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/1571392
Reviewed-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Peichao Li <peichao.wang@bitland.corp-partner.google.com>
Commit-Queue: Justin TerAvest <teravest@chromium.org>
Tested-by: Justin TerAvest <teravest@chromium.org>
Tested-by: Peichao Li <peichao.wang@bitland.corp-partner.google.com>
(cherry picked from commit 7ebb27ce64c7988119f51c20897c72d127e36a56)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/1573318
Reviewed-by: Marco Chen <marcochen@chromium.org>
Commit-Queue: Marco Chen <marcochen@chromium.org>
diff --git a/src/mainboard/google/octopus/variants/phaser/Makefile.inc b/src/mainboard/google/octopus/variants/phaser/Makefile.inc
index d54ed40..37270eb 100644
--- a/src/mainboard/google/octopus/variants/phaser/Makefile.inc
+++ b/src/mainboard/google/octopus/variants/phaser/Makefile.inc
@@ -2,3 +2,4 @@
 
 ramstage-y += variant.c
 ramstage-y += gpio.c
+ramstage-y += mainboard.c
diff --git a/src/mainboard/google/octopus/variants/phaser/mainboard.c b/src/mainboard/google/octopus/variants/phaser/mainboard.c
new file mode 100644
index 0000000..2d44830
--- /dev/null
+++ b/src/mainboard/google/octopus/variants/phaser/mainboard.c
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <boardid.h>
+#include <ec/google/chromeec/ec.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	const char *filename = NULL;
+	uint32_t sku_id;
+
+	if (google_chromeec_cbi_get_sku_id(&sku_id))
+		return NULL;
+
+	if (sku_id == 5)
+		filename = "wifi_sar-laser.hex";
+
+	return filename;
+}