mb/google/brya: Create volmar variant

Create the volmar variant of the brya0 reference board by copying
the template files to a new directory named for the variant.

(Auto-Generated by create_coreboot_variant.sh version 4.5.0).

BUG=b:213127419
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_VOLMAR

Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I5ebf62b7a17b075c0e28fb4e8b7c501fc8db3ea3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60766
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 4fb5b74..92d0798 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -105,6 +105,7 @@
 	default 0x0 if BOARD_GOOGLE_NIVVIKS
 	default 0x0 if BOARD_GOOGLE_NEREID
 	default 0x3 if BOARD_GOOGLE_AGAH
+	default 0x1 if BOARD_GOOGLE_VOLMAR
 
 config DRIVER_TPM_I2C_ADDR
 	hex
@@ -147,6 +148,7 @@
 	default "Nivviks" if BOARD_GOOGLE_NIVVIKS
 	default "Nereid" if BOARD_GOOGLE_NEREID
 	default "Agah" if BOARD_GOOGLE_AGAH
+	default "Volmar" if BOARD_GOOGLE_VOLMAR
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -169,6 +171,7 @@
 	default "nivviks" if BOARD_GOOGLE_NIVVIKS
 	default "nereid" if BOARD_GOOGLE_NEREID
 	default "agah" if BOARD_GOOGLE_AGAH
+	default "volmar" if BOARD_GOOGLE_VOLMAR
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC
diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 208e8f7..320f2a4 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -152,3 +152,7 @@
 config BOARD_GOOGLE_AGAH
 	bool "->  Agah"
 	select BOARD_GOOGLE_BASEBOARD_BRYA
+
+config BOARD_GOOGLE_VOLMAR
+	bool "->  Volmar"
+	select BOARD_GOOGLE_BASEBOARD_BRYA
diff --git a/src/mainboard/google/brya/variants/volmar/include/variant/ec.h b/src/mainboard/google/brya/variants/volmar/include/variant/ec.h
new file mode 100644
index 0000000..7a2a6ff
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/include/variant/ec.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __VARIANT_EC_H__
+#define __VARIANT_EC_H__
+
+#include <baseboard/ec.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/volmar/include/variant/gpio.h b/src/mainboard/google/brya/variants/volmar/include/variant/gpio.h
new file mode 100644
index 0000000..c4fe342
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/include/variant/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/volmar/memory/Makefile.inc b/src/mainboard/google/brya/variants/volmar/memory/Makefile.inc
new file mode 100644
index 0000000..eace2e4
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/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
diff --git a/src/mainboard/google/brya/variants/volmar/memory/dram_id.generated.txt b/src/mainboard/google/brya/variants/volmar/memory/dram_id.generated.txt
new file mode 100644
index 0000000..fa24790
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/memory/dram_id.generated.txt
@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign
diff --git a/src/mainboard/google/brya/variants/volmar/memory/mem_parts_used.txt b/src/mainboard/google/brya/variants/volmar/memory/mem_parts_used.txt
new file mode 100644
index 0000000..9621137
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/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
+# part_id_gen tool from util/spd_tools.
+# See util/spd_tools/README.md for more details and instructions.
+
+# Part Name
diff --git a/src/mainboard/google/brya/variants/volmar/overridetree.cb b/src/mainboard/google/brya/variants/volmar/overridetree.cb
new file mode 100644
index 0000000..4f2c04a
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/overridetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/alderlake
+
+        device domain 0 on
+        end
+
+end