src/mainboard/google/kahlee/mainboard.c - coreboot - Gitiles

 /*
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2015-2017 Advanced Micro Devices, Inc.
  *
  * 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 <console/console.h>
 #include <device/device.h>
 #include <arch/acpi.h>
 #include <amdblocks/agesawrapper.h>
 #include <amdblocks/amd_pci_util.h>
 #include <cbmem.h>
 #include <baseboard/variants.h>
 #include <boardid.h>
 #include <soc/nvs.h>
 #include <soc/pci_devs.h>
 #include <soc/smi.h>
 #include <soc/southbridge.h>
 #include <variant/ec.h>
 #include <variant/thermal.h>
 #include <vendorcode/google/chromeos/chromeos.h>

 /***********************************************************
  * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
  * This table is responsible for physically routing the PIC and
  * IOAPIC IRQs to the different PCI devices on the system.  It
  * is read and written via registers 0xC00/0xC01 as an
  * Index/Data pair.  These values are chipset and mainboard
  * dependent and should be updated accordingly.
  *
  * These values are used by the PCI configuration space,
  * MP Tables.  TODO: Make ACPI use these values too.
  */

 // TODO: Move these to board variant specific file
 #if IS_ENABLED(CONFIG_BOARD_GOOGLE_KAHLEE)
 const u8 mainboard_picr_data[] = {
 	[0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x0A, 0x1F, 0x1F,
 	[0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x10] = 0x09, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x03,
 	[0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
 	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
 	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x40] = 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
 	[0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 };

 const u8 mainboard_intr_data[] = {
 	[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 	[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
 	[0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
 	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
 	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
 	[0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
 	[0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 };
 #else
 const u8 mainboard_picr_data[] = {
 	[0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x1F, 0x1F, 0x1F,
 	[0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x10] = 0x09, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x03,
 	[0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
 	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
 	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x40] = 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
 	[0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
 };

 const u8 mainboard_intr_data[] = {
 	[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x1F, 0x16, 0x17,
 	[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
 	[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
 	[0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
 	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
 	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
 	[0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
 	[0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 };
 #endif

 /*
  * This table defines the index into the picr/intr_data tables for each
  * device.  Any enabled device and slot that uses hardware interrupts should
  * have an entry in this table to define its index into the FCH PCI_INTR
  * register 0xC00/0xC01.  This index will define the interrupt that it should
  *  use. Putting PIRQ_A into the PIN A index for a device will tell that
  * device to use PIC IRQ 10 if it uses PIN A for its hardware INT.
  */
 static const struct pirq_struct mainboard_pirq_data[] = {
 	{ PCIE0_DEVFN,	{ PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
 	{ PCIE1_DEVFN,	{ PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A } },
 	{ PCIE2_DEVFN,	{ PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B } },
 	{ PCIE3_DEVFN,	{ PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C } },
 	{ PCIE4_DEVFN,	{ PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
 	{ HDA0_DEVFN,	{ PIRQ_NC, PIRQ_HDA, PIRQ_NC, PIRQ_NC } },
 	{ SD_DEVFN,	{ PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
 	{ SMBUS_DEVFN,	{ PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
 	{ SATA_DEVFN,	{ PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
 	{ EHCI1_DEVFN,	{ PIRQ_EHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
 	{ XHCI_DEVFN,	{ PIRQ_XHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
 };

 /* PIRQ Setup */
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
 	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }

 static void mainboard_init(void *chip_info)
 {
 	const struct sci_source *gpes;
 	size_t num;
 	int boardid = board_id();
 	size_t num_gpios;
 	const struct soc_amd_stoneyridge_gpio *gpios;

 	printk(BIOS_INFO, "Board ID: %d\n", boardid);

 	mainboard_ec_init();

 	gpios = variant_gpio_table(&num_gpios);
 	sb_program_gpios(gpios, num_gpios);

 	gpes = get_gpe_table(&num);
 	gpe_configure_sci(gpes, num);

 	/* Initialize i2c busses that were not initialized in bootblock */
 	i2c_soc_init();

 	/* Set GenIntDisable so that GPIO 90 is configured as a GPIO. */
 	if (!IS_ENABLED(CONFIG_BOARD_GOOGLE_KAHLEE))
 		pm_write8(PM_PCIB_CFG,
 				pm_read8(PM_PCIB_CFG) | PM_GENINT_DISABLE);
 }

 /*************************************************
  * Dedicated mainboard function
  *************************************************/
 static void kahlee_enable(device_t dev)
 {
 	printk(BIOS_INFO, "Mainboard "
 				CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");

 	/* Initialize the PIRQ data structures for consumption */
 	pirq_setup();

 	dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
 }


 static void mainboard_final(void *chip_info)
 {
 	struct global_nvs_t *gnvs;

 	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);

 	if (gnvs) {
 		gnvs->tmps = CTL_TDP_SENSOR_ID;
 		gnvs->tcrt = CRITICAL_TEMPERATURE;
 		gnvs->tpsv = PASSIVE_TEMPERATURE;
 	}
 }

 int mainboard_get_xhci_oc_map(uint16_t *map)
 {
 	return variant_get_xhci_oc_map(map);
 }

 int mainboard_get_ehci_oc_map(uint16_t *map)
 {
 	return variant_get_ehci_oc_map(map);
 }

 struct chip_operations mainboard_ops = {
 	.init = mainboard_init,
 	.enable_dev = kahlee_enable,
 	.final = mainboard_final,
 };
	/*
	* This file is part of the coreboot project.
	*
	* Copyright (C) 2015-2017 Advanced Micro Devices, Inc.
	*
	* 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 <console/console.h>
	#include <device/device.h>
	#include <arch/acpi.h>
	#include <amdblocks/agesawrapper.h>
	#include <amdblocks/amd_pci_util.h>
	#include <cbmem.h>
	#include <baseboard/variants.h>
	#include <boardid.h>
	#include <soc/nvs.h>
	#include <soc/pci_devs.h>
	#include <soc/smi.h>
	#include <soc/southbridge.h>
	#include <variant/ec.h>
	#include <variant/thermal.h>
	#include <vendorcode/google/chromeos/chromeos.h>

	/***********************************************************
	* These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
	* This table is responsible for physically routing the PIC and
	* IOAPIC IRQs to the different PCI devices on the system. It
	* is read and written via registers 0xC00/0xC01 as an
	* Index/Data pair. These values are chipset and mainboard
	* dependent and should be updated accordingly.
	*
	* These values are used by the PCI configuration space,
	* MP Tables. TODO: Make ACPI use these values too.
	*/

	// TODO: Move these to board variant specific file
	#if IS_ENABLED(CONFIG_BOARD_GOOGLE_KAHLEE)
	const u8 mainboard_picr_data[] = {
	[0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x0A, 0x1F, 0x1F,
	[0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x10] = 0x09, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x03,
	[0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x40] = 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
	[0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	};

	const u8 mainboard_intr_data[] = {
	[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
	[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
	[0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
	[0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
	[0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	};
	#else
	const u8 mainboard_picr_data[] = {
	[0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x1F, 0x1F, 0x1F,
	[0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x10] = 0x09, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x03,
	[0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x40] = 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
	[0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
	};

	const u8 mainboard_intr_data[] = {
	[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x1F, 0x16, 0x17,
	[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
	[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
	[0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
	[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
	[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
	[0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
	[0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	};
	#endif

	/*
	* This table defines the index into the picr/intr_data tables for each
	* device. Any enabled device and slot that uses hardware interrupts should
	* have an entry in this table to define its index into the FCH PCI_INTR
	* register 0xC00/0xC01. This index will define the interrupt that it should
	* use. Putting PIRQ_A into the PIN A index for a device will tell that
	* device to use PIC IRQ 10 if it uses PIN A for its hardware INT.
	*/
	static const struct pirq_struct mainboard_pirq_data[] = {
	{ PCIE0_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
	{ PCIE1_DEVFN, { PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A } },
	{ PCIE2_DEVFN, { PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B } },
	{ PCIE3_DEVFN, { PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C } },
	{ PCIE4_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
	{ HDA0_DEVFN, { PIRQ_NC, PIRQ_HDA, PIRQ_NC, PIRQ_NC } },
	{ SD_DEVFN, { PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
	{ SMBUS_DEVFN, { PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
	{ SATA_DEVFN, { PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
	{ EHCI1_DEVFN, { PIRQ_EHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
	{ XHCI_DEVFN, { PIRQ_XHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
	};

	/* PIRQ Setup */
	static void pirq_setup(void)
	{
	pirq_data_ptr = mainboard_pirq_data;
	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
	intr_data_ptr = mainboard_intr_data;
	picr_data_ptr = mainboard_picr_data;
	}

	static void mainboard_init(void *chip_info)
	{
	const struct sci_source *gpes;
	size_t num;
	int boardid = board_id();
	size_t num_gpios;
	const struct soc_amd_stoneyridge_gpio *gpios;

	printk(BIOS_INFO, "Board ID: %d\n", boardid);

	mainboard_ec_init();

	gpios = variant_gpio_table(&num_gpios);
	sb_program_gpios(gpios, num_gpios);

	gpes = get_gpe_table(&num);
	gpe_configure_sci(gpes, num);

	/* Initialize i2c busses that were not initialized in bootblock */
	i2c_soc_init();

	/* Set GenIntDisable so that GPIO 90 is configured as a GPIO. */
	if (!IS_ENABLED(CONFIG_BOARD_GOOGLE_KAHLEE))
	pm_write8(PM_PCIB_CFG,
	pm_read8(PM_PCIB_CFG) \| PM_GENINT_DISABLE);
	}

	/*************************************************
	* Dedicated mainboard function
	*************************************************/
	static void kahlee_enable(device_t dev)
	{
	printk(BIOS_INFO, "Mainboard "
	CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");

	/* Initialize the PIRQ data structures for consumption */
	pirq_setup();

	dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
	}


	static void mainboard_final(void *chip_info)
	{
	struct global_nvs_t *gnvs;

	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);

	if (gnvs) {
	gnvs->tmps = CTL_TDP_SENSOR_ID;
	gnvs->tcrt = CRITICAL_TEMPERATURE;
	gnvs->tpsv = PASSIVE_TEMPERATURE;
	}
	}

	int mainboard_get_xhci_oc_map(uint16_t *map)
	{
	return variant_get_xhci_oc_map(map);
	}

	int mainboard_get_ehci_oc_map(uint16_t *map)
	{
	return variant_get_ehci_oc_map(map);
	}

	struct chip_operations mainboard_ops = {
	.init = mainboard_init,
	.enable_dev = kahlee_enable,
	.final = mainboard_final,
	};