| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| Scope (\_SB) |
| { |
| /* Get Pad Configuration DW0 register value */ |
| Method (GPC0, 0x1, Serialized) |
| { |
| /* Arg0 - GPIO DW0 address */ |
| Store (Arg0, Local0) |
| OperationRegion (PDW0, SystemMemory, Local0, 4) |
| Field (PDW0, AnyAcc, NoLock, Preserve) { |
| TEMP, 32 |
| } |
| Return (TEMP) |
| } |
| |
| /* Set Pad Configuration DW0 register value */ |
| Method (SPC0, 0x2, Serialized) |
| { |
| /* Arg0 - GPIO DW0 address */ |
| /* Arg1 - Value for DW0 register */ |
| Store (Arg0, Local0) |
| OperationRegion (PDW0, SystemMemory, Local0, 4) |
| Field (PDW0, AnyAcc, NoLock, Preserve) { |
| TEMP,32 |
| } |
| Store (Arg1, TEMP) |
| } |
| |
| /* Get Pad Configuration DW1 register value */ |
| Method (GPC1, 0x1, Serialized) |
| { |
| /* Arg0 - GPIO DW0 address */ |
| Store (Add (Arg0, 0x4), Local0) |
| OperationRegion (PDW1, SystemMemory, Local0, 4) |
| Field (PDW1, AnyAcc, NoLock, Preserve) { |
| TEMP, 32 |
| } |
| Return (TEMP) |
| } |
| |
| /* Set Pad Configuration DW1 register value */ |
| Method (SPC1, 0x2, Serialized) |
| { |
| /* Arg0 - GPIO DW0 address */ |
| /* Arg1 - Value for DW1 register */ |
| Store (Add (Arg0, 0x4), Local0) |
| OperationRegion (PDW1, SystemMemory, Local0, 4) |
| Field(PDW1, AnyAcc, NoLock, Preserve) { |
| TEMP,32 |
| } |
| Store (Arg1, TEMP) |
| } |
| |
| /* Get DW0 address of a given pad */ |
| Method (GDW0, 0x2, Serialized) |
| { |
| /* Arg0 - GPIO portid */ |
| /* Arg1 - GPIO pad offset relative to the community */ |
| Store (0, Local1) |
| Or( Or (ShiftLeft (Arg0, 16), CONFIG_PCR_BASE_ADDRESS), |
| Local1, Local1) |
| Or( Add (PAD_CFG_BASE, Multiply (Arg1, Multiply ( |
| GPIO_NUM_PAD_CFG_REGS, 4))), Local1, Local1) |
| Return (Local1) |
| } |
| |
| /* Calculate HOSTSW_REG address */ |
| Method (CHSA, 0x1, Serialized) |
| { |
| /* Arg0 - GPIO pad offset relative to the community */ |
| Add (HOSTSW_OWN_REG_0, Multiply (Divide (Arg0, 32), 4), Local1) |
| Return (Local1) |
| } |
| |
| /* Get Host ownership register of GPIO Community */ |
| Method (GHO, 0x2, Serialized) |
| { |
| /* Arg0 - GPIO portid */ |
| /* Arg1 - GPIO pad offset relative to the community */ |
| Store (CHSA (Arg1), Local1) |
| |
| OperationRegion (SHO0, SystemMemory, Or ( Or |
| (CONFIG_PCR_BASE_ADDRESS, ShiftLeft (Arg0, 16)), Local1), 4) |
| Field (SHO0, AnyAcc, NoLock, Preserve) { |
| TEMP, 32 |
| } |
| Return (TEMP) |
| } |
| |
| /* Set Host ownership register of GPIO Community */ |
| Method (SHO, 0x3, Serialized) |
| { |
| /* Arg0 - GPIO portid */ |
| /* Arg1 - GPIO pad offset relative to the community */ |
| /* Arg2 - Value for Host own register */ |
| Store (CHSA (Arg1), Local1) |
| |
| OperationRegion (SHO0, SystemMemory, Or ( Or |
| (CONFIG_PCR_BASE_ADDRESS, ShiftLeft (Arg0, 16)), Local1), 4) |
| Field (SHO0, AnyAcc, NoLock, Preserve) { |
| TEMP, 32 |
| } |
| Store (Arg2, TEMP) |
| } |
| } |