mb/google/hatch: Creating skeleton directories and files

Creating skeleton files and directories in mainboard for the new Hatch
board.  This is to facilitate development for different parties
involved.

BUG=None
BRANCH=None
TEST=./util/abuild/abuild -p none -t google/hatch -x -a

Change-Id: I5fc60c178f83034abe5d846d0f4169072b66f448
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/30169
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>

22 files changed, 705 insertions, 0 deletions

diff --git a/src/mainboard/google/hatch/Kconfig b/src/mainboard/google/hatch/Kconfig
new file mode 100644
index 0000000000..7acfd09ce1
--- /dev/null
+++ b/src/mainboard/google/hatch/Kconfig
@@ -0,0 +1,82 @@
+
+config BOARD_GOOGLE_BASEBOARD_HATCH
+	def_bool n
+	select BOARD_ROMSIZE_KB_32768
+	select DRIVERS_I2C_GENERIC
+	select DRIVERS_I2C_HID
+	select DRIVERS_SPI_ACPI
+	select EC_GOOGLE_CHROMEEC
+	select GENERIC_SPD_BIN
+	select HAVE_ACPI_RESUME
+	select HAVE_ACPI_TABLES
+	select MAINBOARD_HAS_CHROMEOS
+	select MAINBOARD_HAS_I2C_TPM_CR50
+	select MAINBOARD_HAS_TPM2
+	select SOC_INTEL_CANNONLAKE_MEMCFG_INIT
+	select SOC_INTEL_COMMON_ACPI_EC_PTS_WAK
+	select SOC_INTEL_COFFEELAKE
+	select SPD_READ_BY_WORD
+	select SYSTEM_TYPE_LAPTOP
+	select TPM2
+
+if BOARD_GOOGLE_BASEBOARD_HATCH
+
+config CHROMEOS
+	bool
+	default y
+	select GBB_FLAG_FORCE_DEV_SWITCH_ON
+	select GBB_FLAG_FORCE_DEV_BOOT_USB
+	select GBB_FLAG_FORCE_DEV_BOOT_LEGACY
+	select GBB_FLAG_FORCE_MANUAL_RECOVERY
+
+config DIMM_MAX
+	int
+	default 2
+
+config DIMM_SPD_SIZE
+	int
+	default 512
+
+config GBB_HWID
+	string
+	depends on CHROMEOS
+	default "HATCH TEST 1823" if BOARD_GOOGLE_HATCH
+
+config MAINBOARD_DIR
+	string
+	default "google/hatch"
+
+config MAINBOARD_FAMILY
+	string
+	default "Google_Hatch" if BOARD_GOOGLE_HATCH
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "Hatch" if BOARD_GOOGLE_HATCH
+
+config MAINBOARD_VENDOR
+	string
+	default "Google"
+
+config MAX_CPUS
+	int
+	default 8
+
+config VARIANT_DIR
+	string
+	default "hatch" if BOARD_GOOGLE_HATCH
+
+config DEVICETREE
+	string
+	default "variants/baseboard/devicetree.cb"
+
+config OVERRIDE_DEVICETREE
+	string
+	default "variants/$(CONFIG_VARIANT_DIR)/overridetree.cb" if !BOARD_GOOGLE_HATCH
+
+config VBOOT
+	select HAS_RECOVERY_MRC_CACHE
+	select MRC_CLEAR_NORMAL_CACHE_ON_RECOVERY_RETRAIN
+	select VBOOT_LID_SWITCH
+
+endif # BOARD_GOOGLE_BASEBOARD_HATCH
diff --git a/src/mainboard/google/hatch/Kconfig.name b/src/mainboard/google/hatch/Kconfig.name
new file mode 100644
index 0000000000..79edb63bb7
--- /dev/null
+++ b/src/mainboard/google/hatch/Kconfig.name
@@ -0,0 +1,5 @@
+comment "Hatch"
+
+config BOARD_GOOGLE_HATCH
+	bool "->  Hatch"
+	select BOARD_GOOGLE_BASEBOARD_HATCH
diff --git a/src/mainboard/google/hatch/Makefile.inc b/src/mainboard/google/hatch/Makefile.inc
new file mode 100644
index 0000000000..54e42812e2
--- /dev/null
+++ b/src/mainboard/google/hatch/Makefile.inc
@@ -0,0 +1,33 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2018 Google LLC
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+
+bootblock-y += bootblock.c
+bootblock-$(CONFIG_CHROMEOS) += chromeos.c
+
+ramstage-y += ramstage.c
+ramstage-$(CONFIG_CHROMEOS) += chromeos.c
+
+romstage-y += romstage.c
+romstage-$(CONFIG_CHROMEOS) += chromeos.c
+
+verstage-$(CONFIG_CHROMEOS) += chromeos.c
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
+subdirs-y += variants/baseboard
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
+
+VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
+subdirs-y += variants/$(VARIANT_DIR)
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
diff --git a/src/mainboard/google/hatch/acpi_tables.c b/src/mainboard/google/hatch/acpi_tables.c
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/src/mainboard/google/hatch/acpi_tables.c
diff --git a/src/mainboard/google/hatch/board_info.txt b/src/mainboard/google/hatch/board_info.txt
new file mode 100644
index 0000000000..4e12c96b6e
--- /dev/null
+++ b/src/mainboard/google/hatch/board_info.txt
@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Hatch
+Category: laptop
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/google/hatch/bootblock.c b/src/mainboard/google/hatch/bootblock.c
new file mode 100644
index 0000000000..9cde37a90e
--- /dev/null
+++ b/src/mainboard/google/hatch/bootblock.c
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <baseboard/variants.h>
+#include <bootblock_common.h>
+#include <soc/gpio.h>
+
+static void early_config_gpio(void)
+{
+	const struct pad_config *early_gpio_table;
+	size_t num_gpios = 0;
+
+	early_gpio_table = variant_early_gpio_table(&num_gpios);
+	gpio_configure_pads(early_gpio_table, num_gpios);
+}
+
+void bootblock_mainboard_init(void)
+{
+	early_config_gpio();
+}
diff --git a/src/mainboard/google/hatch/chromeos.c b/src/mainboard/google/hatch/chromeos.c
new file mode 100644
index 0000000000..36fba45ac7
--- /dev/null
+++ b/src/mainboard/google/hatch/chromeos.c
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <arch/acpi.h>
+#include <baseboard/variants.h>
+#include <boot/coreboot_tables.h>
+#include <ec/google/chromeec/ec.h>
+#include <gpio.h>
+#include <variant/gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+	struct lb_gpio chromeos_gpios[] = {
+		{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
+		{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
+		{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
+		{-1, ACTIVE_HIGH, 0, "power"},
+		{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
+		{-1, ACTIVE_HIGH, 0, "EC in RW"},
+	};
+	lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
+}
+
+static int cros_get_gpio_value(int type)
+{
+	const struct cros_gpio *cros_gpios;
+	size_t i, num_gpios = 0;
+
+	cros_gpios = variant_cros_gpios(&num_gpios);
+
+	for (i = 0; i < num_gpios; i++) {
+		const struct cros_gpio *gpio = &cros_gpios[i];
+		if (gpio->type == type) {
+			int state = gpio_get(gpio->gpio_num);
+			if (gpio->polarity == CROS_GPIO_ACTIVE_LOW)
+				return !state;
+			else
+				return state;
+		}
+	}
+	return 0;
+}
+
+void mainboard_chromeos_acpi_generate(void)
+{
+	const struct cros_gpio *cros_gpios;
+	size_t num_gpios = 0;
+
+	cros_gpios = variant_cros_gpios(&num_gpios);
+
+	chromeos_acpi_gpio_generate(cros_gpios, num_gpios);
+}
+
+int get_write_protect_state(void)
+{
+	return cros_get_gpio_value(CROS_GPIO_WP);
+}
+
+int get_recovery_mode_switch(void)
+{
+	return cros_get_gpio_value(CROS_GPIO_REC);
+}
+
+int get_lid_switch(void)
+{
+	return 1;
+}
diff --git a/src/mainboard/google/hatch/chromeos.fmd b/src/mainboard/google/hatch/chromeos.fmd
new file mode 100644
index 0000000000..663176978f
--- /dev/null
+++ b/src/mainboard/google/hatch/chromeos.fmd
@@ -0,0 +1,46 @@
+FLASH@0xfe000000 0x2000000 {
+	SI_ALL@0x0 0x1000000 {
+		SI_DESC@0x0 0x1000
+		SI_EC@0x1000 0x100000
+		SI_GBE@0x101000 0x2000
+		SI_ME@0x103000 0xefd000
+	}
+	SI_BIOS@0x1000000 0x1000000 {
+		RW_SECTION_A@0x0 0x280000 {
+			VBLOCK_A@0x0 0x10000
+			FW_MAIN_A(CBFS)@0x10000 0x26ffc0
+			RW_FWID_A@0x27ffc0 0x40
+		}
+		RW_SECTION_B@0x280000 0x280000 {
+			VBLOCK_B@0x0 0x10000
+			FW_MAIN_B(CBFS)@0x10000 0x26ffc0
+			RW_FWID_B@0x27ffc0 0x40
+		}
+		RW_MISC@0x500000 0x30000 {
+			UNIFIED_MRC_CACHE@0x0 0x20000 {
+				RECOVERY_MRC_CACHE@0x0 0x10000
+				RW_MRC_CACHE@0x10000 0x10000
+			}
+			RW_ELOG@0x20000 0x4000
+			RW_SHARED@0x24000 0x4000 {
+				SHARED_DATA@0x0 0x2000
+				VBLOCK_DEV@0x2000 0x2000
+			}
+			RW_VPD@0x28000 0x2000
+			RW_NVRAM@0x2a000 0x6000
+		}
+		CONSOLE@0x530000 0x20000
+		RW_LEGACY(CBFS)@0x550000 0x6b0000
+		WP_RO@0xc00000 0x400000 {
+			RO_VPD@0x0 0x4000
+			RO_UNUSED@0x4000 0xc000
+			RO_SECTION@0x10000 0x3f0000 {
+				FMAP@0x0 0x800
+				RO_FRID@0x800 0x40
+				RO_FRID_PAD@0x840 0x7c0
+				GBB@0x1000 0xef000
+				COREBOOT(CBFS)@0xf0000 0x300000
+			}
+		}
+	}
+}
diff --git a/src/mainboard/google/hatch/dsdt.asl b/src/mainboard/google/hatch/dsdt.asl
new file mode 100644
index 0000000000..cb83509a93
--- /dev/null
+++ b/src/mainboard/google/hatch/dsdt.asl
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <arch/acpi.h>
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
+	OEM_ID,
+	ACPI_TABLE_CREATOR,
+	0x20110725	/* OEM revision */
+)
+{
+}
diff --git a/src/mainboard/google/hatch/ramstage.c b/src/mainboard/google/hatch/ramstage.c
new file mode 100644
index 0000000000..1ac6a296cd
--- /dev/null
+++ b/src/mainboard/google/hatch/ramstage.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <arch/acpi.h>
+#include <baseboard/variants.h>
+#include <soc/ramstage.h>
+#include <variant/gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+void mainboard_silicon_init_params(FSP_S_CONFIG *params)
+{
+	const struct pad_config *gpio_table;
+	size_t num_gpios;
+
+	gpio_table = variant_base_gpio_table(&num_gpios);
+	gpio_configure_pads(gpio_table, num_gpios);
+}
+
+static void mainboard_enable(struct device *dev)
+{
+	dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};
diff --git a/src/mainboard/google/hatch/romstage.c b/src/mainboard/google/hatch/romstage.c
new file mode 100644
index 0000000000..b79feb8e1a
--- /dev/null
+++ b/src/mainboard/google/hatch/romstage.c
@@ -0,0 +1,20 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <soc/romstage.h>
+
+void mainboard_memory_init_params(FSPM_UPD *memupd)
+{
+}
diff --git a/src/mainboard/google/hatch/smihandler.c b/src/mainboard/google/hatch/smihandler.c
new file mode 100644
index 0000000000..f8f43eb8fb
--- /dev/null
+++ b/src/mainboard/google/hatch/smihandler.c
@@ -0,0 +1,14 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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.
+ */
diff --git a/src/mainboard/google/hatch/variants/baseboard/Makefile.inc b/src/mainboard/google/hatch/variants/baseboard/Makefile.inc
new file mode 100644
index 0000000000..dffacbbffa
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/Makefile.inc
@@ -0,0 +1,7 @@
+bootblock-y += gpio.c
+
+romstage-y += gpio.c
+
+ramstage-y += gpio.c
+
+verstage-y += gpio.c
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
new file mode 100644
index 0000000000..88df092155
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -0,0 +1,52 @@
+chip soc/intel/cannonlake
+	device domain 0 on
+		device pci 00.0 off end # Host Bridge
+		device pci 02.0 off end # Integrated Graphics Device
+		device pci 04.0 off end # SA Thermal device
+		device pci 12.0 off end # Thermal Subsystem
+		device pci 12.5 off end # UFS SCS
+		device pci 12.6 off end # GSPI #2
+		device pci 14.0 off end # USB xHCI
+		device pci 14.1 off end # USB xDCI (OTG)
+		device pci 14.5 off end # SDCard
+		device pci 15.0 off end # I2C #0
+		device pci 15.1 off end # I2C #1
+		device pci 15.2 off end # I2C #2
+		device pci 15.3 off end # I2C #3
+		device pci 16.0 off end # Management Engine Interface 1
+		device pci 16.1 off end # Management Engine Interface 2
+		device pci 16.2 off end # Management Engine IDE-R
+		device pci 16.3 off end # Management Engine KT Redirection
+		device pci 16.4 off end # Management Engine Interface 3
+		device pci 16.5 off end # Management Engine Interface 4
+		device pci 17.0 off end # SATA
+		device pci 19.0 off end # I2C #4
+		device pci 19.1 off end # I2C #5
+		device pci 19.2 off end # UART #2
+		device pci 1a.0 off end # eMMC
+		device pci 1c.0 off end # PCI Express Port 1 (USB)
+		device pci 1c.1 off end # PCI Express Port 2 (USB)
+		device pci 1c.2 off end # PCI Express Port 3 (USB)
+		device pci 1c.3 off end # PCI Express Port 4 (USB)
+		device pci 1c.4 off end # PCI Express Port 5 (USB)
+		device pci 1c.5 off end # PCI Express Port 6
+		device pci 1c.6 off end # PCI Express Port 7
+		device pci 1c.7 off end # PCI Express Port 8
+		device pci 1d.0 off end # PCI Express Port 9
+		device pci 1d.1 off end # PCI Express Port 10
+		device pci 1d.2 off end # PCI Express Port 11
+		device pci 1d.3 off end # PCI Express Port 12
+		device pci 1d.4 off end # PCI Express Port 13 (x4)
+		device pci 1e.0 off end # UART #0
+		device pci 1e.1 off end # UART #1
+		device pci 1e.2 off end # GSPI #0
+		device pci 1e.3 off end # GSPI #1
+		device pci 1f.0 off end # LPC/eSPI
+		device pci 1f.1 off end # P2SB
+		device pci 1f.2 off end # Power Management Controller
+		device pci 1f.3 off end # Intel HDA
+		device pci 1f.4 off end # SMBus
+		device pci 1f.5 off end # PCH SPI
+		device pci 1f.6 off end # GbE
+	end
+end
diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c
new file mode 100644
index 0000000000..d2efd488e2
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <arch/acpi.h>
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+static const struct pad_config gpio_table[] = {
+};
+
+const struct pad_config *__weak variant_base_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+const struct pad_config *__weak variant_override_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+/* GPIOs needed prior to ramstage. */
+static const struct pad_config early_gpio_table[] = {
+};
+
+const struct pad_config *__weak
+variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+};
+
+const struct cros_gpio *__weak variant_cros_gpios(size_t *num)
+{
+	*num = ARRAY_SIZE(cros_gpios);
+	return cros_gpios;
+}
diff --git a/src/mainboard/google/hatch/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/gpio.h
new file mode 100644
index 0000000000..c9f8b4caa9
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/gpio.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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.
+ */
+
+#ifndef BASEBOARD_GPIO_H
+#define BASEBOARD_GPIO_H
+
+#include <soc/gpio.h>
+
+#endif /* BASEBOARD_GPIO_H */
diff --git a/src/mainboard/google/hatch/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/variants.h
new file mode 100644
index 0000000000..18f90488ad
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/variants.h
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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.
+ */
+
+#ifndef BASEBOARD_VARIANTS_H
+#define BASEBOARD_VARIANTS_H
+
+#include <soc/gpio.h>
+#include <stdint.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+/* The next set of functions return the gpio table and fill in the number of
+ * entries for each table. */
+const struct pad_config *variant_base_gpio_table(size_t *num);
+const struct pad_config *variant_override_gpio_table(size_t *num);
+const struct pad_config *variant_early_gpio_table(size_t *num);
+const struct pad_config *variant_sleep_gpio_table(size_t *num, int slp_typ);
+
+/* Return memory SKU for the board. */
+size_t variant_memory_sku(void);
+
+/* Return ChromeOS gpio table and fill in number of entries. */
+const struct cros_gpio *variant_cros_gpios(size_t *num);
+
+/* Modify devictree settings during ramstage. */
+struct device;
+void variant_update_devtree(struct device *dev);
+
+#endif /* BASEBOARD_VARIANTS_H */
diff --git a/src/mainboard/google/hatch/variants/hatch/Makefile.inc b/src/mainboard/google/hatch/variants/hatch/Makefile.inc
new file mode 100644
index 0000000000..d4d85374cc
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/hatch/Makefile.inc
@@ -0,0 +1,17 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2018 Google LLC
+##
+## 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.
+##
+
+bootblock-y += gpio.c
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/hatch/variants/hatch/gpio.c b/src/mainboard/google/hatch/variants/hatch/gpio.c
new file mode 100644
index 0000000000..24535f5319
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/hatch/gpio.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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 <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+};
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+};
+
+const struct pad_config *variant_base_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
diff --git a/src/mainboard/google/hatch/variants/hatch/include/variant/ec.h b/src/mainboard/google/hatch/variants/hatch/include/variant/ec.h
new file mode 100644
index 0000000000..c36f957737
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/hatch/include/variant/ec.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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.
+ */
+
+#ifndef VARIANT_EC_H
+#define VARIANT_EC_H
+
+#include <baseboard/ec.h>
+
+#endif
diff --git a/src/mainboard/google/hatch/variants/hatch/include/variant/gpio.h b/src/mainboard/google/hatch/variants/hatch/include/variant/gpio.h
new file mode 100644
index 0000000000..5d69eeddbc
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/hatch/include/variant/gpio.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ *
+ * 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.
+ */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+#endif
diff --git a/src/mainboard/google/hatch/variants/hatch/overridetree.cb b/src/mainboard/google/hatch/variants/hatch/overridetree.cb
new file mode 100644
index 0000000000..88df092155
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/hatch/overridetree.cb
@@ -0,0 +1,52 @@
+chip soc/intel/cannonlake
+	device domain 0 on
+		device pci 00.0 off end # Host Bridge
+		device pci 02.0 off end # Integrated Graphics Device
+		device pci 04.0 off end # SA Thermal device
+		device pci 12.0 off end # Thermal Subsystem
+		device pci 12.5 off end # UFS SCS
+		device pci 12.6 off end # GSPI #2
+		device pci 14.0 off end # USB xHCI
+		device pci 14.1 off end # USB xDCI (OTG)
+		device pci 14.5 off end # SDCard
+		device pci 15.0 off end # I2C #0
+		device pci 15.1 off end # I2C #1
+		device pci 15.2 off end # I2C #2
+		device pci 15.3 off end # I2C #3
+		device pci 16.0 off end # Management Engine Interface 1
+		device pci 16.1 off end # Management Engine Interface 2
+		device pci 16.2 off end # Management Engine IDE-R
+		device pci 16.3 off end # Management Engine KT Redirection
+		device pci 16.4 off end # Management Engine Interface 3
+		device pci 16.5 off end # Management Engine Interface 4
+		device pci 17.0 off end # SATA
+		device pci 19.0 off end # I2C #4
+		device pci 19.1 off end # I2C #5
+		device pci 19.2 off end # UART #2
+		device pci 1a.0 off end # eMMC
+		device pci 1c.0 off end # PCI Express Port 1 (USB)
+		device pci 1c.1 off end # PCI Express Port 2 (USB)
+		device pci 1c.2 off end # PCI Express Port 3 (USB)
+		device pci 1c.3 off end # PCI Express Port 4 (USB)
+		device pci 1c.4 off end # PCI Express Port 5 (USB)
+		device pci 1c.5 off end # PCI Express Port 6
+		device pci 1c.6 off end # PCI Express Port 7
+		device pci 1c.7 off end # PCI Express Port 8
+		device pci 1d.0 off end # PCI Express Port 9
+		device pci 1d.1 off end # PCI Express Port 10
+		device pci 1d.2 off end # PCI Express Port 11
+		device pci 1d.3 off end # PCI Express Port 12
+		device pci 1d.4 off end # PCI Express Port 13 (x4)
+		device pci 1e.0 off end # UART #0
+		device pci 1e.1 off end # UART #1
+		device pci 1e.2 off end # GSPI #0
+		device pci 1e.3 off end # GSPI #1
+		device pci 1f.0 off end # LPC/eSPI
+		device pci 1f.1 off end # P2SB
+		device pci 1f.2 off end # Power Management Controller
+		device pci 1f.3 off end # Intel HDA
+		device pci 1f.4 off end # SMBus
+		device pci 1f.5 off end # PCH SPI
+		device pci 1f.6 off end # GbE
+	end
+end