| Shawn Nematbakhsh | 51d787a | 2014-01-16 17:52:21 -0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2014 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; version 2 of |
| 9 | * the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| Shawn Nematbakhsh | 51d787a | 2014-01-16 17:52:21 -0800 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | Device (LPEA) |
| 18 | { |
| 19 | Name (_HID, "80860F28") |
| 20 | Name (_CID, "80860F28") |
| 21 | Name (_UID, 1) |
| 22 | Name (_DDN, "Low Power Audio Controller") |
| 23 | Name (_PR0, Package () { PLPE }) |
| 24 | |
| 25 | Name (RBUF, ResourceTemplate() |
| 26 | { |
| 27 | Memory32Fixed (ReadWrite, 0, 0x00200000, BAR0) |
| 28 | Memory32Fixed (ReadWrite, 0, 0x00001000, BAR1) |
| 29 | Memory32Fixed (ReadWrite, 0, 0x00100000, BAR2) |
| 30 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 31 | { |
| 32 | LPE_DMA0_IRQ |
| 33 | } |
| 34 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 35 | { |
| 36 | LPE_DMA1_IRQ |
| 37 | } |
| 38 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 39 | { |
| 40 | LPE_SSP0_IRQ |
| 41 | } |
| 42 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 43 | { |
| 44 | LPE_SSP1_IRQ |
| 45 | } |
| 46 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 47 | { |
| 48 | LPE_SSP2_IRQ |
| 49 | } |
| 50 | Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive,,,) |
| 51 | { |
| 52 | LPE_IPC2HOST_IRQ |
| 53 | } |
| 54 | }) |
| 55 | |
| 56 | Method (_CRS) |
| 57 | { |
| 58 | /* Update BAR0 from NVS */ |
| 59 | CreateDwordField (^RBUF, ^BAR0._BAS, BAS0) |
| 60 | Store (\LPB0, BAS0) |
| 61 | |
| 62 | /* Update BAR1 from NVS */ |
| 63 | CreateDwordField (^RBUF, ^BAR1._BAS, BAS1) |
| 64 | Store (\LPB1, BAS1) |
| 65 | |
| 66 | /* Update LPE FW from NVS */ |
| 67 | CreateDwordField (^RBUF, ^BAR2._BAS, BAS2) |
| 68 | Store (\LPFW, BAS2) |
| 69 | |
| 70 | /* Append any Mainboard defined GPIOs */ |
| Martin Roth | 10f7f50 | 2015-12-08 15:26:03 -0700 | [diff] [blame] | 71 | If (CondRefOf (^GBUF)) { |
| Aaron Durbin | 4177db5 | 2014-02-05 14:55:26 -0600 | [diff] [blame] | 72 | ConcatenateResTemplate (^RBUF, ^GBUF, Local1) |
| Shawn Nematbakhsh | 51d787a | 2014-01-16 17:52:21 -0800 | [diff] [blame] | 73 | Return (Local1) |
| 74 | } |
| 75 | |
| 76 | Return (^RBUF) |
| 77 | } |
| 78 | |
| 79 | Method (_STA) |
| 80 | { |
| 81 | If (LEqual (\LPEN, 1)) { |
| 82 | Return (0xF) |
| 83 | } Else { |
| 84 | Return (0x0) |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | OperationRegion (KEYS, SystemMemory, LPB1, 0x100) |
| 89 | Field (KEYS, DWordAcc, NoLock, WriteAsZeros) |
| 90 | { |
| 91 | Offset (0x84), |
| 92 | PSAT, 32, |
| 93 | } |
| 94 | |
| 95 | PowerResource (PLPE, 0, 0) |
| 96 | { |
| 97 | Method (_STA) |
| 98 | { |
| 99 | Return (1) |
| 100 | } |
| 101 | |
| 102 | Method (_OFF) |
| 103 | { |
| 104 | Or (PSAT, 0x00000003, PSAT) |
| 105 | Or (PSAT, 0x00000000, PSAT) |
| 106 | } |
| 107 | |
| 108 | Method (_ON) |
| 109 | { |
| 110 | And (PSAT, 0xfffffffc, PSAT) |
| 111 | Or (PSAT, 0x00000000, PSAT) |
| 112 | } |
| 113 | } |
| 114 | } |