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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <soc/gpio_defs.h>
#include <soc/irq.h>
#include <soc/pcr_ids.h>
Device (GPIO)
{
Name (_HID, "INT3455")
Name (_UID, 0)
Name (_DDN, "GPIO Controller")
Name (RBUF, ResourceTemplate()
{
Memory32Fixed (ReadWrite, 0, 0, COM0)
Memory32Fixed (ReadWrite, 0, 0, COM1)
Memory32Fixed (ReadWrite, 0, 0, COM2)
Memory32Fixed (ReadWrite, 0, 0, COM4)
Memory32Fixed (ReadWrite, 0, 0, COM5)
Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,, GIRQ)
{ GPIO_IRQ14 }
})
Method (_CRS, 0, NotSerialized)
{
/* GPIO Community 0 */
CreateDWordField (^RBUF, ^COM0._BAS, BAS0)
CreateDWordField (^RBUF, ^COM0._LEN, LEN0)
Store (^^PCRB (PID_GPIOCOM0), BAS0)
Store (GPIO_BASE_SIZE, LEN0)
/* GPIO Community 1 */
CreateDWordField (^RBUF, ^COM1._BAS, BAS1)
CreateDWordField (^RBUF, ^COM1._LEN, LEN1)
Store (^^PCRB (PID_GPIOCOM1), BAS1)
Store (GPIO_BASE_SIZE, LEN1)
/* GPIO Community 2 */
CreateDWordField (^RBUF, ^COM2._BAS, BAS2)
CreateDWordField (^RBUF, ^COM2._LEN, LEN2)
Store (^^PCRB (PID_GPIOCOM2), BAS2)
Store (GPIO_BASE_SIZE, LEN2)
/* GPIO Community 4 */
CreateDWordField (^RBUF, ^COM4._BAS, BAS4)
CreateDWordField (^RBUF, ^COM4._LEN, LEN4)
Store (^^PCRB (PID_GPIOCOM4), BAS4)
Store (GPIO_BASE_SIZE, LEN4)
/* GPIO Community 5 */
CreateDWordField (^RBUF, ^COM5._BAS, BAS5)
CreateDWordField (^RBUF, ^COM5._LEN, LEN5)
Store (^^PCRB (PID_GPIOCOM5), BAS5)
Store (GPIO_BASE_SIZE, LEN5)
Return (RBUF)
}
Method (_STA, 0, NotSerialized)
{
Return (0xF)
}
}
/*
* Get GPIO DW0 Address
* Arg0 - GPIO Number
*/
Method (GADD, 1, NotSerialized)
{
/* GPIO Community 0 */
If (LAnd (LGreaterEqual (Arg0, GPP_G0), LLessEqual (Arg0, GPP_A23)))
{
Store (PID_GPIOCOM0, Local0)
Subtract (Arg0, GPP_A0, Local1)
}
/* GPIO Community 1 */
If (LAnd (LGreaterEqual (Arg0, GPP_H0), LLessEqual (Arg0, GPP_F19)))
{
Store (PID_GPIOCOM1, Local0)
Subtract (Arg0, GPP_D0, Local1)
}
/* GPIO Community 2 */
If (LAnd (LGreaterEqual (Arg0, GPD0), LLessEqual (Arg0, GPD11)))
{
Store (PID_GPIOCOM2, Local0)
Subtract (Arg0, GPD0, Local1)
}
/* GPIO Community 4 */
If (LAnd (LGreaterEqual (Arg0, GPP_C0), LLessEqual (Arg0, GPP_E23)))
{
Store (PID_GPIOCOM4, Local0)
Subtract (Arg0, GPP_C0, Local1)
}
/* GPIO Community 05*/
If (LAnd (LGreaterEqual (Arg0, GPP_R0), LLessEqual (Arg0, GPP_S7)))
{
Store (PID_GPIOCOM5, Local0)
Subtract (Arg0, GPP_R0, Local1)
}
Store (PCRB (Local0), Local2)
Add (Local2, PAD_CFG_BASE, Local2)
Return (Add (Local2, Multiply (Local1, 16)))
}
/*
* Get GPIO Value
* Arg0 - GPIO Number
*/
Method (GRXS, 1, Serialized)
{
OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
Field (PREG, AnyAcc, NoLock, Preserve)
{
VAL0, 32
}
And (GPIORXSTATE_MASK, ShiftRight (VAL0, GPIORXSTATE_SHIFT), Local0)
Return (Local0)
}
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