mirror of https://github.com/acidanthera/audk.git
48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
/** @file
|
|
|
|
Copyright (c) 2013-2015 Intel Corporation.
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
CY8C9540A 40 Bit I/O Expander with EEPROM.
|
|
|
|
**/
|
|
|
|
Device(CY8C)
|
|
{
|
|
Name(_HID, "INT3490") // Cypress CY8C9540A Io Expander Function.
|
|
Name(_CID, "INT3490")
|
|
|
|
Name(RBUF, ResourceTemplate()
|
|
{
|
|
I2CSerialBus(0x20, ControllerInitiated, 100000, AddressingMode7Bit, "\\_SB.PCI0.GIP0.I2C_", 0, ResourceConsumer, , )
|
|
GpioInt (Level, ActiveLow, Exclusive, PullDefault, , "\\_SB.PCI0.GIP0.GPO", 0, ResourceConsumer, , ) {QUARK_GPIO5_MAPPING} /* GPIO<5> is INT_S0 */
|
|
})
|
|
Method(_CRS, 0x0, NotSerialized)
|
|
{
|
|
CreateByteField(RBUF, 16, OB1)
|
|
if (LEqual (ALTS, 0))
|
|
{
|
|
Store(0x20, OB1)
|
|
}
|
|
Else
|
|
{
|
|
Store(0x21, OB1)
|
|
}
|
|
Return(RBUF)
|
|
}
|
|
Method(_STA, 0x0, NotSerialized)
|
|
{
|
|
//
|
|
// Only Galileo platform has this device.
|
|
// EFI_PLATFORM_TYPE enum value Galileo = 6.
|
|
//
|
|
If(LNotEqual(PTYP, 6))
|
|
{
|
|
return (0)
|
|
}
|
|
Return(0xf)
|
|
}
|
|
}
|
|
|