mainboard/google/kahlee: Add baseboard framework

BUG=b:68293392
TEST=Build only

Change-Id: Ie4d039b4da10a992fc9dd2b0221fd4a1644aae6a
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/22373
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/mainboard/google/kahlee/variants/baseboard/memory.c b/src/mainboard/google/kahlee/variants/baseboard/memory.c
new file mode 100644
index 0000000000..511241f603
--- /dev/null
+++ b/src/mainboard/google/kahlee/variants/baseboard/memory.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Google Inc.
+ *
+ * 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 <gpio.h> /* src/include/gpio.h */
+#include <baseboard/variants.h>
+#include <variant/gpio.h>
+
+size_t __attribute__((weak)) variant_board_id(void)
+{
+	gpio_t pads[] = {
+		[3] = MEM_CONFIG3,
+		[2] = MEM_CONFIG2,
+		[1] = MEM_CONFIG1,
+		[0] = MEM_CONFIG0,
+	};
+
+	return gpio_pullup_base2_value(pads, ARRAY_SIZE(pads));
+}