| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; version 2 of |
| * the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| * MA 02110-1301 USA |
| */ |
| |
| Device (LPEA) |
| { |
| Name (_HID, "80860F28") |
| Name (_CID, "80860F28") |
| Name (_UID, 1) |
| Name (_DDN, "Low Power Audio Controller") |
| Name (_PR0, Package () { PLPE }) |
| |
| Name (RBUF, ResourceTemplate() |
| { |
| Memory32Fixed (ReadWrite, 0, 0x00200000, BAR0) |
| Memory32Fixed (ReadWrite, 0, 0x00001000, BAR1) |
| Memory32Fixed (ReadWrite, 0, 0x00100000, BAR2) |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_DMA0_IRQ |
| } |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_DMA1_IRQ |
| } |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_SSP0_IRQ |
| } |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_SSP1_IRQ |
| } |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_SSP2_IRQ |
| } |
| Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| { |
| LPE_IPC2HOST_IRQ |
| } |
| }) |
| |
| Method (_CRS) |
| { |
| /* Update BAR0 from NVS */ |
| CreateDwordField (^RBUF, ^BAR0._BAS, BAS0) |
| Store (\LPB0, BAS0) |
| |
| /* Update BAR1 from NVS */ |
| CreateDwordField (^RBUF, ^BAR1._BAS, BAS1) |
| Store (\LPB1, BAS1) |
| |
| /* Update LPE FW from NVS */ |
| CreateDwordField (^RBUF, ^BAR2._BAS, BAS2) |
| Store (\LPFW, BAS2) |
| |
| /* Append any Mainboard defined GPIOs */ |
| If (CondRefOf (^GBUF, Local0)) { |
| ConcatenateResTemplate (^RBUF, ^GBUF, Local1) |
| Return (Local1) |
| } |
| |
| Return (^RBUF) |
| } |
| |
| Method (_STA) |
| { |
| If (LEqual (\LPEN, 1)) { |
| Return (0xF) |
| } Else { |
| Return (0x0) |
| } |
| } |
| |
| OperationRegion (KEYS, SystemMemory, LPB1, 0x100) |
| Field (KEYS, DWordAcc, NoLock, WriteAsZeros) |
| { |
| Offset (0x84), |
| PSAT, 32, |
| } |
| |
| PowerResource (PLPE, 0, 0) |
| { |
| Method (_STA) |
| { |
| Return (1) |
| } |
| |
| Method (_OFF) |
| { |
| Or (PSAT, 0x00000003, PSAT) |
| Or (PSAT, 0x00000000, PSAT) |
| } |
| |
| Method (_ON) |
| { |
| And (PSAT, 0xfffffffc, PSAT) |
| Or (PSAT, 0x00000000, PSAT) |
| } |
| } |
| } |
