mb/google/rex: Create kanix variant

Create the kanix variant of the rex0 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:368501705
TEST=util/abuild/abuild -p none -t google/rex -x -a
make sure the build includes GOOGLE_KANIX

Change-Id: Id74a084ed3cebb65625166e3098f43e41a63f5f9
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84432
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/rex/Kconfig

@@ -67,6 +67,13 @@ config BOARD_GOOGLE_MODEL_DEKU
 	def_bool n
 	select BOARD_GOOGLE_BASEBOARD_OVIS
 
+config BOARD_GOOGLE_MODEL_KANIX
+	def_bool n
+	select BOARD_GOOGLE_BASEBOARD_REX
+	select SOC_INTEL_CSE_LITE_SKU
+	select SOC_INTEL_CSE_PRE_CPU_RESET_TELEMETRY_V2
+	select SOC_INTEL_CSE_SEND_EOP_ASYNC
+
 config BOARD_GOOGLE_MODEL_KARIS
 	def_bool n
 	select BOARD_GOOGLE_BASEBOARD_REX
@@ -113,6 +120,9 @@ config BOARD_GOOGLE_DEKU
 config BOARD_GOOGLE_DEKU4ES
 	select BOARD_GOOGLE_MODEL_DEKU
 
+config BOARD_GOOGLE_KANIX
+	select BOARD_GOOGLE_MODEL_KANIX
+
 config BOARD_GOOGLE_KARIS
 	select BOARD_GOOGLE_MODEL_KARIS
 
@@ -215,6 +225,7 @@ config MAINBOARD_PART_NUMBER
 	default "Ovis4ES" if BOARD_GOOGLE_OVIS4ES
 	default "Deku" if BOARD_GOOGLE_DEKU
 	default "Deku4ES" if BOARD_GOOGLE_DEKU4ES
+	default "Kanix" if BOARD_GOOGLE_KANIX
 
 config VARIANT_DIR
 	string
@@ -223,6 +234,7 @@ config VARIANT_DIR
 	default "karis" if BOARD_GOOGLE_MODEL_KARIS
 	default "ovis" if BOARD_GOOGLE_MODEL_OVIS
 	default "deku" if BOARD_GOOGLE_MODEL_DEKU
+	default "kanix" if BOARD_GOOGLE_MODEL_KANIX
 
 config DIMM_SPD_SIZE
 	default 512
@@ -244,7 +256,7 @@ config OVERRIDE_DEVICETREE
 
 config DRIVER_TPM_I2C_BUS
 	hex
-	default 0x4 if BOARD_GOOGLE_MODEL_REX || BOARD_GOOGLE_MODEL_SCREEBO || BOARD_GOOGLE_MODEL_OVIS || BOARD_GOOGLE_MODEL_KARIS || BOARD_GOOGLE_MODEL_DEKU
+	default 0x4 if BOARD_GOOGLE_MODEL_REX || BOARD_GOOGLE_MODEL_SCREEBO || BOARD_GOOGLE_MODEL_OVIS || BOARD_GOOGLE_MODEL_KARIS || BOARD_GOOGLE_MODEL_DEKU || BOARD_GOOGLE_MODEL_KANIX
 
 config DRIVER_TPM_I2C_ADDR
 	hex

src/mainboard/google/rex/Kconfig.name

@@ -40,3 +40,6 @@ config BOARD_GOOGLE_SCREEBO
 
 config BOARD_GOOGLE_SCREEBO4ES
 	bool "->  Screebo4ES"
+
+config BOARD_GOOGLE_KANIX
+	bool "->  Kanix"

src/mainboard/google/rex/variants/kanix/Makefile.mk

@@ -0,0 +1,7 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+bootblock-y += gpio.c
+
+romstage-y += gpio.c
+
+ramstage-y += gpio.c

src/mainboard/google/rex/variants/kanix/gpio.c

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <types.h>
+#include <soc/gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+const struct pad_config *variant_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+};
+
+DECLARE_CROS_GPIOS(cros_gpios);
+
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}

src/mainboard/google/rex/variants/kanix/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/rex/variants/kanix/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/rex/variants/kanix/memory/Makefile.mk

@@ -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/rex/variants/kanix/memory/dram_id.generated.txt

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

src/mainboard/google/rex/variants/kanix/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.mk 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/rex/variants/kanix/overridetree.cb

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