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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
*/
/*
* Chrome OS Embedded Controller interface
*
* Constants that should be defined:
*
* SIO_EC_MEMMAP_ENABLE : Enable EC LPC memory map resources
* EC_LPC_ADDR_MEMMAP : Base address of memory map range
* EC_MEMMAP_SIZE : Size of memory map range
*
* SIO_EC_HOST_ENABLE : Enable EC host command interface resources
* EC_LPC_ADDR_HOST_DATA : EC host command interface data port
* EC_LPC_ADDR_HOST_CMD : EC host command interface command port
* EC_HOST_CMD_REGION0 : EC host command buffer
* EC_HOST_CMD_REGION1 : EC host command buffer
* EC_HOST_CMD_REGION_SIZE : EC host command buffer size
*/
// Scope is \_SB.PCI0.LPCB
Device (SIO) {
Name (_UID, 0)
Name (_ADR, 0)
#ifdef SIO_EC_MEMMAP_ENABLE
Device (ECMM) {
Name (_HID, EISAID ("PNP0C02"))
Name (_UID, 4)
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
Name (_CRS, ResourceTemplate ()
{
IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
0x08, EC_MEMMAP_SIZE)
})
Name (_PRS, ResourceTemplate ()
{
IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
0x08, EC_MEMMAP_SIZE)
})
}
#endif
#ifdef SIO_EC_HOST_ENABLE
Device (ECUI) {
Name (_HID, EISAID ("PNP0C02"))
Name (_UID, 3)
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
Name (_CRS, ResourceTemplate ()
{
IO (Decode16,
EC_LPC_ADDR_HOST_DATA, EC_LPC_ADDR_HOST_DATA,
0x01, 0x01)
IO (Decode16,
EC_LPC_ADDR_HOST_CMD, EC_LPC_ADDR_HOST_CMD,
0x01, 0x01)
IO (Decode16,
EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0, 0x08,
EC_HOST_CMD_REGION_SIZE)
IO (Decode16,
EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1, 0x08,
EC_HOST_CMD_REGION_SIZE)
})
Name (_PRS, ResourceTemplate ()
{
StartDependentFn (0, 0) {
IO (Decode16, EC_LPC_ADDR_HOST_DATA,
EC_LPC_ADDR_HOST_DATA, 0x01, 0x01)
IO (Decode16, EC_LPC_ADDR_HOST_CMD,
EC_LPC_ADDR_HOST_CMD, 0x01, 0x01)
IO (Decode16,
EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0,
0x08, EC_HOST_CMD_REGION_SIZE)
IO (Decode16,
EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1,
0x08, EC_HOST_CMD_REGION_SIZE)
}
EndDependentFn ()
})
}
#endif
#ifdef SIO_EC_ENABLE_COM1
Device (COM1) {
Name (_HID, EISAID ("PNP0501"))
Name (_UID, 1)
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
Name (_CRS, ResourceTemplate ()
{
IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
IRQNoFlags () {4}
})
Name (_PRS, ResourceTemplate ()
{
StartDependentFn (0, 0) {
IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
IRQNoFlags () {4}
}
EndDependentFn ()
})
}
#endif
}
#ifdef SIO_EC_ENABLE_PS2K
Device (PS2K) // Keyboard
{
Name (_UID, 0)
Name (_HID, "GOOG000A")
Name (_CID, Package() { EISAID("PNP0303"), EISAID("PNP030B") } )
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
Name (_CRS, ResourceTemplate()
{
IO (Decode16, 0x60, 0x60, 0x01, 0x01)
IO (Decode16, 0x64, 0x64, 0x01, 0x01)
#ifdef SIO_EC_PS2K_IRQ
SIO_EC_PS2K_IRQ
#else
IRQ (Edge, ActiveHigh, Exclusive) {1}
#endif
})
Name (_PRS, ResourceTemplate()
{
StartDependentFn (0, 0) {
IO (Decode16, 0x60, 0x60, 0x01, 0x01)
IO (Decode16, 0x64, 0x64, 0x01, 0x01)
#ifdef SIO_EC_PS2K_IRQ
SIO_EC_PS2K_IRQ
#else
IRQ (Edge, ActiveHigh, Exclusive) {1}
#endif
}
EndDependentFn ()
})
}
#endif
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