mb/google/nissa: Create joxer variant

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

BUG=b:236086879
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_JOXER

Signed-off-by: Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com>
Change-Id: I4cb74f90c4ec33818b551d5f51759930e3222677
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65151
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Reviewed-by: Shou-Chieh Hsu <shouchieh@google.com>

src/mainboard/google/brya/Kconfig

@@ -140,6 +140,7 @@ config DRIVER_TPM_I2C_BUS
 	default 0x1 if BOARD_GOOGLE_MITHRAX
 	default 0x1 if BOARD_GOOGLE_KULDAX
 	default 0x3 if BOARD_GOOGLE_SKOLAS4ES
+	default 0x0 if BOARD_GOOGLE_JOXER
 
 config DRIVER_TPM_I2C_ADDR
 	hex
@@ -200,6 +201,7 @@ config MAINBOARD_PART_NUMBER
 	default "Mithrax" if BOARD_GOOGLE_MITHRAX
 	default "Kuldax" if BOARD_GOOGLE_KULDAX
 	default "Skolas4ES" if BOARD_GOOGLE_SKOLAS4ES
+	default "Joxer" if BOARD_GOOGLE_JOXER
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -233,6 +235,7 @@ config VARIANT_DIR
 	default "mithrax" if BOARD_GOOGLE_MITHRAX
 	default "kuldax" if BOARD_GOOGLE_KULDAX
 	default "skolas4es" if BOARD_GOOGLE_SKOLAS4ES
+	default "joxer" if BOARD_GOOGLE_JOXER
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC if !BOARD_GOOGLE_BASEBOARD_NISSA
@@ -263,7 +266,7 @@ config USE_PM_ACPI_TIMER
 
 choice
 	prompt "Cache as RAM (CAR) setup configuration to use"
-	default USE_ADL_NEM if BOARD_GOOGLE_BRYA4ES || BOARD_GOOGLE_PRIMUS4ES || BOARD_GOOGLE_GIMBLE4ES || BOARD_GOOGLE_REDRIX4ES || BOARD_GOOGLE_TAEKO4ES || BOARD_GOOGLE_ANAHERA4ES || BOARD_GOOGLE_TANIKS || BOARD_GOOGLE_NIVVIKS || BOARD_GOOGLE_NEREID || BOARD_GOOGLE_CRAASK || BOARD_GOOGLE_SKOLAS4ES
+	default USE_ADL_NEM if BOARD_GOOGLE_BRYA4ES || BOARD_GOOGLE_PRIMUS4ES || BOARD_GOOGLE_GIMBLE4ES || BOARD_GOOGLE_REDRIX4ES || BOARD_GOOGLE_TAEKO4ES || BOARD_GOOGLE_ANAHERA4ES || BOARD_GOOGLE_TANIKS || BOARD_GOOGLE_NIVVIKS || BOARD_GOOGLE_NEREID || BOARD_GOOGLE_CRAASK || BOARD_GOOGLE_SKOLAS4ES || BOARD_GOOGLE_JOXER
 	default USE_ADL_ENEM
 
 config USE_ADL_ENEM

src/mainboard/google/brya/Kconfig.name

@@ -240,3 +240,7 @@ config BOARD_GOOGLE_MITHRAX
 config BOARD_GOOGLE_KULDAX
 	bool "->  Kuldax"
 	select BOARD_GOOGLE_BASEBOARD_BRASK
+
+config BOARD_GOOGLE_JOXER
+	bool "->  Joxer"
+	select BOARD_GOOGLE_BASEBOARD_NISSA

src/mainboard/google/brya/variants/joxer/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

src/mainboard/google/brya/variants/joxer/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

src/mainboard/google/brya/variants/joxer/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

src/mainboard/google/brya/variants/joxer/memory/dram_id.generated.txt

@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign

src/mainboard/google/brya/variants/joxer/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

src/mainboard/google/brya/variants/joxer/overridetree.cb

@@ -0,0 +1,6 @@
+chip soc/intel/alderlake
+
+        device domain 0 on
+        end
+
+end