Vlv2DeviceRefCodePkg/AcpiTablesPCAT/LPC_DEV.ASL

   1 /**************************************************************************;
   2 ;*                                                                        *;
   3 ;*                                                                        *;
   4 ;*    Intel Corporation - ACPI Reference Code for the Baytrail            *;
   5 ;*    Family of Customer Reference Boards.                                *;
   6 ;*                                                                        *;
   7 ;*                                                                        *;
   8 ;*    Copyright (c) 2012  - 2014, Intel Corporation. All rights reserved    *;
   9 ;
  10 ; SPDX-License-Identifier: BSD-2-Clause-Patent
  11 ;
  12 ;*                                                                        *;
  13 ;*                                                                        *;
  14 ;**************************************************************************/
  15
  16 Device(FWHD) // Firmware Hub Device
  17 {
  18   Name(_HID,EISAID("INT0800"))
  19
  20   Name(_CRS,ResourceTemplate()
  21   {
  22     Memory32Fixed(ReadOnly,0xFF000000,0x1000000)
  23   })
  24 }
  25
  26 Device(IPIC) // 8259 PIC
  27 {
  28   Name(_HID,EISAID("PNP0000"))
  29
  30   Name(_CRS,ResourceTemplate()
  31   {
  32     IO(Decode16,0x20,0x20,0x01,0x02)
  33     IO(Decode16,0x24,0x24,0x01,0x02)
  34     IO(Decode16,0x28,0x28,0x01,0x02)
  35     IO(Decode16,0x2C,0x2C,0x01,0x02)
  36     IO(Decode16,0x30,0x30,0x01,0x02)
  37     IO(Decode16,0x34,0x34,0x01,0x02)
  38     IO(Decode16,0x38,0x38,0x01,0x02)
  39     IO(Decode16,0x3C,0x3C,0x01,0x02)
  40     IO(Decode16,0xA0,0xA0,0x01,0x02)
  41     IO(Decode16,0xA4,0xA4,0x01,0x02)
  42     IO(Decode16,0xA8,0xA8,0x01,0x02)
  43     IO(Decode16,0xAC,0xAC,0x01,0x02)
  44     IO(Decode16,0xB0,0xB0,0x01,0x02)
  45     IO(Decode16,0xB4,0xB4,0x01,0x02)
  46     IO(Decode16,0xB8,0xB8,0x01,0x02)
  47     IO(Decode16,0xBC,0xBC,0x01,0x02)
  48     IO(Decode16,0x4D0,0x4D0,0x01,0x02)
  49     IRQNoFlags() {2}
  50   })
  51 }
  52
  53 Device(LDRC) // LPC Device Resource Consumption
  54 {
  55   Name(_HID,EISAID("PNP0C02"))
  56
  57   Name(_UID,2)
  58
  59   Name(_CRS,ResourceTemplate()
  60   {
  61     IO(Decode16,0x4E,0x4E,0x1,0x02)         // LPC Slot Access.
  62     IO(Decode16,0x61,0x61,0x1,0x1)          // NMI Status.
  63     IO(Decode16,0x63,0x63,0x1,0x1)          // Processor I/F.
  64     IO(Decode16,0x65,0x65,0x1,0x1)          // Processor I/F.
  65     IO(Decode16,0x67,0x67,0x1,0x1)          // Processor I/F.
  66     IO(Decode16,0x70,0x70,0x1,0x1)          // NMI Enable.
  67     IO(Decode16,0x80,0x80,0x1,0x10)         // Postcode.
  68     IO(Decode16,0x92,0x92,0x1,0x1)          // Processor I/F.
  69     IO(Decode16,0xB2,0xB2,0x01,0x02)        // Software SMI.
  70     IO(Decode16,0x680,0x680,0x1,0x20)       // 32 Byte I/O.
  71     IO(Decode16,0x400,0x400,0x1,0x80)       // ACPI Base.
  72     IO(Decode16,0x500,0x500,0x1,0xFF)       // GPIO Base.
  73   })
  74 }
  75
  76 Device(TIMR) // 8254 Timer
  77 {
  78   Name(_HID,EISAID("PNP0100"))
  79
  80   Name(_CRS,ResourceTemplate()
  81   {
  82     IO(Decode16,0x40,0x40,0x01,0x04)
  83     IO(Decode16,0x50,0x50,0x10,0x04)
  84     IRQNoFlags() {0}
  85   })
  86 }
  87
  88 Device(IUR3) // Internal UART
  89 {
  90   Name(_HID, EISAID("PNP0501"))
  91
  92   Name(_UID,1)
  93
  94   // Status Method for internal UART
  95
  96   Method(_STA,0,Serialized)
  97   {
  98     // Only report resources to the OS if internal UART is
  99     // not set to Disabled in BIOS Setup.
 100
 101     If(LEqual(USEL,0))
 102     {
 103       If(LEqual(PU1E,1))
 104       {
 105         Store(1,UI3E) // Enable IRQ3 for UART
 106         Store(1,UI4E) // Enable IRQ4 for UART
 107         Store(1,C1EN) // Enable UART
 108         Return(0x000F)
 109       }
 110     }
 111
 112     Return(0x0000)
 113   }
 114
 115   // Disable Method for internal UART
 116
 117   Method(_DIS,0,Serialized)
 118   {
 119     Store(0,UI3E)
 120     Store(0,UI4E)
 121     Store(0,C1EN)
 122   }
 123
 124   // Current Resource Setting Method for internal UART
 125
 126   Method(_CRS,0,Serialized)
 127   {
 128     // Create the Buffer that stores the Resources to
 129     // be returned.
 130
 131     Name(BUF0,ResourceTemplate()
 132     {
 133       IO(Decode16,0x03F8,0x03F8,0x01,0x08)
 134       IRQNoFlags() {3}
 135     })
 136
 137     Name(BUF1,ResourceTemplate()
 138     {
 139       IO(Decode16,0x03F8,0x03F8,0x01,0x08)
 140       IRQNoFlags() {4}
 141     })
 142
 143     If (LLessEqual(SRID, 0x04))
 144     {
 145       Return(BUF0)
 146     } Else
 147     {
 148       Return(BUF1)
 149     }
 150   }
 151 }