util/mb/google: add template files for guybrush

Create template for guyrbsuh variant creation.

BRANCH=none
BUG=b:194031783
TEST=n/a

Change-Id: If62c1a63d0890539d4b43f840f75ee9d7ceab4f8
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@google.com>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56918
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
GitOrigin-RevId: adc9e63c59829dba78888914c740a7dbf073508d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/3088174
Tested-by: Copybara Service <copybara-worker-blackhole@google.com>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Commit-Queue: Paul Fagerburg <pfagerburg@chromium.org>
Commit-Queue: Rob Barnes <robbarnes@google.com>
diff --git a/util/mainboard/google/guybrush/template/Makefile.inc b/util/mainboard/google/guybrush/template/Makefile.inc
new file mode 100644
index 0000000..88e75bd
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/Makefile.inc
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+subdirs-y += ./memory
diff --git a/util/mainboard/google/guybrush/template/include/variant/ec.h b/util/mainboard/google/guybrush/template/include/variant/ec.h
new file mode 100644
index 0000000..9e61a44
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/include/variant/ec.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/ec.h>
diff --git a/util/mainboard/google/guybrush/template/include/variant/gpio.h b/util/mainboard/google/guybrush/template/include/variant/gpio.h
new file mode 100644
index 0000000..dfaeec3
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/include/variant/gpio.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
diff --git a/util/mainboard/google/guybrush/template/memory/Makefile.inc b/util/mainboard/google/guybrush/template/memory/Makefile.inc
new file mode 100644
index 0000000..b0ca222
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/memory/Makefile.inc
@@ -0,0 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+## This is an auto-generated file. Do not edit!!
+## Add memory parts in mem_parts_used.txt and run spd_tools to regenerate.
+
+SPD_SOURCES = placeholder.spd.hex
diff --git a/util/mainboard/google/guybrush/template/memory/dram_id.generated.txt b/util/mainboard/google/guybrush/template/memory/dram_id.generated.txt
new file mode 100644
index 0000000..fa24790
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/memory/dram_id.generated.txt
@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign
diff --git a/util/mainboard/google/guybrush/template/memory/mem_parts_used.txt b/util/mainboard/google/guybrush/template/memory/mem_parts_used.txt
new file mode 100644
index 0000000..8124e4f
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/memory/mem_parts_used.txt
@@ -0,0 +1,11 @@
+# This is a CSV file containing a list of memory parts used by this variant.
+# One part per line with an optional fixed ID in column 2.
+# Only include a fixed ID if it is required for legacy reasons!
+# Generated IDs are dependent on the order of parts in this file,
+# so new parts must always be added at the end of the file!
+#
+# Generate an updated Makefile.inc and dram_id.generated.txt by running the
+# gen_part_id tool from util/spd_tools/{ddr4,lp4x}.
+# See util/spd_tools/{ddr4,lp4x}/README.md for more details and instructions.
+
+# Part Name, Fixed ID (optional)
diff --git a/util/mainboard/google/guybrush/template/overridetree.cb b/util/mainboard/google/guybrush/template/overridetree.cb
new file mode 100644
index 0000000..c182265
--- /dev/null
+++ b/util/mainboard/google/guybrush/template/overridetree.cb
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+chip soc/amd/cezanne
+	device domain 0 on
+
+	end # domain
+end	# chip soc/amd/cezanne