/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

// Intel LPC Bus Device  - 0:1f.0

Device (LPCB)
{
	Name(_ADR, 0x001f0000)

	OperationRegion(LPC0, PCI_Config, 0x00, 0x100)
	Field (LPC0, AnyAcc, NoLock, Preserve)
	{
		Offset (0x40),
		PMBS,	16,	// PMBASE
		Offset (0x60),	// Interrupt Routing Registers
		PRTA,	8,
		PRTB,	8,
		PRTC,	8,
		PRTD,	8,
		Offset (0x68),
		PRTE,	8,
		PRTF,	8,
		PRTG,	8,
		PRTH,	8,

		Offset (0x80),	// IO Decode Ranges
		IOD0,	8,
		IOD1,	8,

		Offset (0xb8),	// GPIO Routing Control
		GR00,	 2,
		GR01,	 2,
		GR02,	 2,
		GR03,	 2,
		GR04,	 2,
		GR05,	 2,
		GR06,	 2,
		GR07,	 2,
		GR08,	 2,
		GR09,	 2,
		GR10,	 2,
		GR11,	 2,
		GR12,	 2,
		GR13,	 2,
		GR14,	 2,
		GR15,	 2,

		Offset (0xf0),	// RCBA
		RCEN,	1,
		,	13,
		RCBA,	18,
	}

	#include "irqlinks.asl"

	#include "acpi/ec.asl"

	Device (DMAC)		// DMA Controller
	{
		Name(_HID, EISAID("PNP0200"))
		Name(_CRS, ResourceTemplate()
		{
			IO (Decode16, 0x00, 0x00, 0x01, 0x20)
			IO (Decode16, 0x81, 0x81, 0x01, 0x11)
			IO (Decode16, 0x93, 0x93, 0x01, 0x0d)
			IO (Decode16, 0xc0, 0xc0, 0x01, 0x20)
			DMA (Compatibility, NotBusMaster, Transfer8_16) { 4 }
		})
	}

	Device (FWH)		// Firmware Hub
	{
		Name (_HID, EISAID("INT0800"))
		Name (_CRS, ResourceTemplate()
		{
			Memory32Fixed(ReadOnly, 0xff000000, 0x01000000)
		})
	}

	Device (HPET)
	{
		Name (_HID, EISAID("PNP0103"))
		Name (_CID, 0x010CD041)

		Name(BUF0, ResourceTemplate()
		{
			Memory32Fixed(ReadOnly, CONFIG_HPET_ADDRESS, 0x400, FED0)
		})

		Method (_STA, 0)	// Device Status
		{
			If (HPTE) {
				// Note: Ancient versions of Windows don't want
				// to see the HPET in order to work right
				If (LGreaterEqual(OSYS, 2001)) {
					Return (0xf)	// Enable and show device
				} Else {
					Return (0xb)	// Enable and don't show device
				}
			}

			Return (0x0)	// Not enabled, don't show.
		}

		Method (_CRS, 0, Serialized) // Current resources
		{
			If (HPTE) {
				CreateDWordField(BUF0, \_SB.PCI0.LPCB.HPET.FED0._BAS, HPT0)
				If (Lequal(HPAS, 1)) {
					Add(CONFIG_HPET_ADDRESS, 0x1000, HPT0)
				}

				If (Lequal(HPAS, 2)) {
					Add(CONFIG_HPET_ADDRESS, 0x2000, HPT0)
				}

				If (Lequal(HPAS, 3)) {
					Add(CONFIG_HPET_ADDRESS, 0x3000, HPT0)
				}
			}

			Return (BUF0)
		}
	}

	Device(PIC)	// 8259 Interrupt Controller
	{
		Name(_HID,EISAID("PNP0000"))
		Name(_CRS, ResourceTemplate()
		{
			IO (Decode16, 0x20, 0x20, 0x01, 0x02)
			IO (Decode16, 0x24, 0x24, 0x01, 0x02)
			IO (Decode16, 0x28, 0x28, 0x01, 0x02)
			IO (Decode16, 0x2c, 0x2c, 0x01, 0x02)
			IO (Decode16, 0x30, 0x30, 0x01, 0x02)
			IO (Decode16, 0x34, 0x34, 0x01, 0x02)
			IO (Decode16, 0x38, 0x38, 0x01, 0x02)
			IO (Decode16, 0x3c, 0x3c, 0x01, 0x02)
			IO (Decode16, 0xa0, 0xa0, 0x01, 0x02)
			IO (Decode16, 0xa4, 0xa4, 0x01, 0x02)
			IO (Decode16, 0xa8, 0xa8, 0x01, 0x02)
			IO (Decode16, 0xac, 0xac, 0x01, 0x02)
			IO (Decode16, 0xb0, 0xb0, 0x01, 0x02)
			IO (Decode16, 0xb4, 0xb4, 0x01, 0x02)
			IO (Decode16, 0xb8, 0xb8, 0x01, 0x02)
			IO (Decode16, 0xbc, 0xbc, 0x01, 0x02)
			IO (Decode16, 0x4d0, 0x4d0, 0x01, 0x02)
			IRQNoFlags () { 2 }
		})
	}

	Device(MATH)	// FPU
	{
		Name (_HID, EISAID("PNP0C04"))
		Name (_CRS, ResourceTemplate()
		{
			IO (Decode16, 0xf0, 0xf0, 0x01, 0x01)
			IRQNoFlags() { 13 }
		})
	}

	Device(LDRC)	// LPC device: Resource consumption
	{
		Name (_HID, EISAID("PNP0C02"))
		Name (_UID, 2)
		Name (_CRS, ResourceTemplate()
		{
			IO (Decode16, 0x2e, 0x2e, 0x1, 0x02)		// First SuperIO
			IO (Decode16, 0x4e, 0x4e, 0x1, 0x02)		// Second SuperIO
			IO (Decode16, 0x61, 0x61, 0x1, 0x01)		// NMI Status
			IO (Decode16, 0x63, 0x63, 0x1, 0x01)		// CPU Reserved
			IO (Decode16, 0x65, 0x65, 0x1, 0x01)		// CPU Reserved
			IO (Decode16, 0x67, 0x67, 0x1, 0x01)		// CPU Reserved
			IO (Decode16, 0x80, 0x80, 0x1, 0x01)		// Port 80 Post
			IO (Decode16, 0x92, 0x92, 0x1, 0x01)		// CPU Reserved
			IO (Decode16, 0xb2, 0xb2, 0x1, 0x02)		// SWSMI
			//IO (Decode16, 0x800, 0x800, 0x1, 0x10)		// ACPI I/O trap
			IO (Decode16, DEFAULT_PMBASE, DEFAULT_PMBASE, 0x1, 0x80)	// ICH7-M ACPI
			IO (Decode16, DEFAULT_GPIOBASE, DEFAULT_GPIOBASE, 0x1, 0x40)	// ICH7-M GPIO
		})
	}

	Device (RTC)	// Real Time Clock
	{
		Name (_HID, EISAID("PNP0B00"))
		Name (_CRS, ResourceTemplate()
		{
			IO (Decode16, 0x70, 0x70, 1, 8)
// Disable as Windows doesn't like it, and systems don't seem to use it.
//			IRQNoFlags() { 8 }
		})
	}

	Device (TIMR)	// Intel 8254 timer
	{
		Name(_HID, EISAID("PNP0100"))
		Name(_CRS, ResourceTemplate()
		{
			IO (Decode16, 0x40, 0x40, 0x01, 0x04)
			IO (Decode16, 0x50, 0x50, 0x10, 0x04)
			IRQNoFlags() {0}
		})
	}

	#include "acpi/superio.asl"
}