mainboard/google/kahlee: move specific setting to variant

Separate specific setting to variant from baseboard.
baseboard/romstage.c in current release is only utilized by
careena, we could remove it from the rest of variant build.

BUG=b:154357210,b:154848243
BRANCH=master
TEST=emerge-grunt coreboot

Change-Id: I658526e44aadc47bdc5538f506a1bfe2e5f20f63
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40796
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/mainboard/google/kahlee/variants/careena/variant.c b/src/mainboard/google/kahlee/variants/careena/variant.c
new file mode 100644
index 0000000000..d35ec488df
--- /dev/null
+++ b/src/mainboard/google/kahlee/variants/careena/variant.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 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 <ec/google/chromeec/ec.h>
+#include <baseboard/variants.h>
+#include <variant/sku.h>
+
+void variant_romstage_entry(int s3_resume)
+{
+	uint32_t sku = google_chromeec_get_sku_id();
+
+	if (!s3_resume) {
+		/* Based on SKU, turn on keyboard backlight */
+		switch (sku) {
+		default:
+			google_chromeec_kbbacklight(75);
+			break;
+		case SKU_CAREENA_KB_BACKLIGHT18:
+		case SKU_CAREENA_KB_BACKLIGHT19:
+		case SKU_CAREENA_KB_BACKLIGHT22:
+		case SKU_CAREENA_KB_BACKLIGHT23:
+			google_chromeec_kbbacklight(10);
+			break;
+		}
+	}
+}