mirror of
https://github.com/AsahiLinux/u-boot
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4d0c5762ad
Add ASL files for the Chrome OS EC, taken from coreboot. Signed-off-by: Simon Glass <sjg@chromium.org>
159 lines
3.4 KiB
Text
159 lines
3.4 KiB
Text
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
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*/
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/*
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* Chrome OS Embedded Controller interface
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*
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* Constants that should be defined:
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*
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* SIO_EC_MEMMAP_ENABLE : Enable EC LPC memory map resources
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* EC_LPC_ADDR_MEMMAP : Base address of memory map range
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* EC_MEMMAP_SIZE : Size of memory map range
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*
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* SIO_EC_HOST_ENABLE : Enable EC host command interface resources
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* EC_LPC_ADDR_HOST_DATA : EC host command interface data port
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* EC_LPC_ADDR_HOST_CMD : EC host command interface command port
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* EC_HOST_CMD_REGION0 : EC host command buffer
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* EC_HOST_CMD_REGION1 : EC host command buffer
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* EC_HOST_CMD_REGION_SIZE : EC host command buffer size
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*/
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// Scope is \_SB.PCI0.LPCB
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Device (SIO) {
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Name (_UID, 0)
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Name (_ADR, 0)
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#ifdef SIO_EC_MEMMAP_ENABLE
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Device (ECMM) {
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Name (_HID, EISAID ("PNP0C02"))
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Name (_UID, 4)
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Method (_STA, 0, NotSerialized) {
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Return (0x0F)
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}
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Name (_CRS, ResourceTemplate ()
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{
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IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
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0x08, EC_MEMMAP_SIZE)
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})
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Name (_PRS, ResourceTemplate ()
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{
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IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
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0x08, EC_MEMMAP_SIZE)
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})
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}
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#endif
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#ifdef SIO_EC_HOST_ENABLE
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Device (ECUI) {
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Name (_HID, EISAID ("PNP0C02"))
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Name (_UID, 3)
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Method (_STA, 0, NotSerialized) {
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Return (0x0F)
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}
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Name (_CRS, ResourceTemplate ()
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{
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IO (Decode16,
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EC_LPC_ADDR_HOST_DATA, EC_LPC_ADDR_HOST_DATA,
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0x01, 0x01)
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IO (Decode16,
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EC_LPC_ADDR_HOST_CMD, EC_LPC_ADDR_HOST_CMD,
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0x01, 0x01)
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IO (Decode16,
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EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0, 0x08,
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EC_HOST_CMD_REGION_SIZE)
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IO (Decode16,
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EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1, 0x08,
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EC_HOST_CMD_REGION_SIZE)
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})
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Name (_PRS, ResourceTemplate ()
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{
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StartDependentFn (0, 0) {
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IO (Decode16, EC_LPC_ADDR_HOST_DATA,
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EC_LPC_ADDR_HOST_DATA, 0x01, 0x01)
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IO (Decode16, EC_LPC_ADDR_HOST_CMD,
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EC_LPC_ADDR_HOST_CMD, 0x01, 0x01)
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IO (Decode16,
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EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0,
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0x08, EC_HOST_CMD_REGION_SIZE)
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IO (Decode16,
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EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1,
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0x08, EC_HOST_CMD_REGION_SIZE)
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}
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EndDependentFn ()
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})
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}
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#endif
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#ifdef SIO_EC_ENABLE_COM1
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Device (COM1) {
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Name (_HID, EISAID ("PNP0501"))
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Name (_UID, 1)
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Method (_STA, 0, NotSerialized) {
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Return (0x0F)
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}
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Name (_CRS, ResourceTemplate ()
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{
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IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
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IRQNoFlags () {4}
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})
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Name (_PRS, ResourceTemplate ()
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{
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StartDependentFn (0, 0) {
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IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
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IRQNoFlags () {4}
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}
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EndDependentFn ()
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})
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}
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#endif
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}
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#ifdef SIO_EC_ENABLE_PS2K
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Device (PS2K) // Keyboard
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{
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Name (_UID, 0)
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Name (_HID, "GOOG000A")
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Name (_CID, Package() { EISAID("PNP0303"), EISAID("PNP030B") } )
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Method (_STA, 0, NotSerialized) {
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Return (0x0F)
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}
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Name (_CRS, ResourceTemplate()
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{
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IO (Decode16, 0x60, 0x60, 0x01, 0x01)
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IO (Decode16, 0x64, 0x64, 0x01, 0x01)
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#ifdef SIO_EC_PS2K_IRQ
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SIO_EC_PS2K_IRQ
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#else
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IRQ (Edge, ActiveHigh, Exclusive) {1}
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#endif
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})
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Name (_PRS, ResourceTemplate()
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{
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StartDependentFn (0, 0) {
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IO (Decode16, 0x60, 0x60, 0x01, 0x01)
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IO (Decode16, 0x64, 0x64, 0x01, 0x01)
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#ifdef SIO_EC_PS2K_IRQ
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SIO_EC_PS2K_IRQ
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#else
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IRQ (Edge, ActiveHigh, Exclusive) {1}
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#endif
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}
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EndDependentFn ()
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})
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}
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#endif
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