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 ; This program and the accompanying materials are licensed and made available under
  11 ; the terms and conditions of the BSD License that accompanies this distribution.
  12 ; The full text of the license may be found at
  13 ; http://opensource.org/licenses/bsd-license.php.
  14 ;
  15 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  16 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  17 ;
  18 ;*                                                                        *;
  19 ;*                                                                        *;
  20 ;**************************************************************************/
  21
  22 Device(FWHD) // Firmware Hub Device
  23 {
  24   Name(_HID,EISAID("INT0800"))
  25
  26   Name(_CRS,ResourceTemplate()
  27   {
  28     Memory32Fixed(ReadOnly,0xFF000000,0x1000000)
  29   })
  30 }
  31
  32 Device(IPIC) // 8259 PIC
  33 {
  34   Name(_HID,EISAID("PNP0000"))
  35
  36   Name(_CRS,ResourceTemplate()
  37   {
  38     IO(Decode16,0x20,0x20,0x01,0x02)
  39     IO(Decode16,0x24,0x24,0x01,0x02)
  40     IO(Decode16,0x28,0x28,0x01,0x02)
  41     IO(Decode16,0x2C,0x2C,0x01,0x02)
  42     IO(Decode16,0x30,0x30,0x01,0x02)
  43     IO(Decode16,0x34,0x34,0x01,0x02)
  44     IO(Decode16,0x38,0x38,0x01,0x02)
  45     IO(Decode16,0x3C,0x3C,0x01,0x02)
  46     IO(Decode16,0xA0,0xA0,0x01,0x02)
  47     IO(Decode16,0xA4,0xA4,0x01,0x02)
  48     IO(Decode16,0xA8,0xA8,0x01,0x02)
  49     IO(Decode16,0xAC,0xAC,0x01,0x02)
  50     IO(Decode16,0xB0,0xB0,0x01,0x02)
  51     IO(Decode16,0xB4,0xB4,0x01,0x02)
  52     IO(Decode16,0xB8,0xB8,0x01,0x02)
  53     IO(Decode16,0xBC,0xBC,0x01,0x02)
  54     IO(Decode16,0x4D0,0x4D0,0x01,0x02)
  55     IRQNoFlags() {2}
  56   })
  57 }
  58
  59 Device(LDRC) // LPC Device Resource Consumption
  60 {
  61   Name(_HID,EISAID("PNP0C02"))
  62
  63   Name(_UID,2)
  64
  65   Name(_CRS,ResourceTemplate()
  66   {
  67     IO(Decode16,0x4E,0x4E,0x1,0x02)         // LPC Slot Access.
  68     IO(Decode16,0x61,0x61,0x1,0x1)          // NMI Status.
  69     IO(Decode16,0x63,0x63,0x1,0x1)          // Processor I/F.
  70     IO(Decode16,0x65,0x65,0x1,0x1)          // Processor I/F.
  71     IO(Decode16,0x67,0x67,0x1,0x1)          // Processor I/F.
  72     IO(Decode16,0x70,0x70,0x1,0x1)          // NMI Enable.
  73     IO(Decode16,0x80,0x80,0x1,0x10)         // Postcode.
  74     IO(Decode16,0x92,0x92,0x1,0x1)          // Processor I/F.
  75     IO(Decode16,0xB2,0xB2,0x01,0x02)        // Software SMI.
  76     IO(Decode16,0x680,0x680,0x1,0x20)       // 32 Byte I/O.
  77     IO(Decode16,0x400,0x400,0x1,0x80)       // ACPI Base.
  78     IO(Decode16,0x500,0x500,0x1,0xFF)       // GPIO Base.
  79   })
  80 }
  81
  82 Device(TIMR) // 8254 Timer
  83 {
  84   Name(_HID,EISAID("PNP0100"))
  85
  86   Name(_CRS,ResourceTemplate()
  87   {
  88     IO(Decode16,0x40,0x40,0x01,0x04)
  89     IO(Decode16,0x50,0x50,0x10,0x04)
  90     IRQNoFlags() {0}
  91   })
  92 }
  93
  94 Device(IUR3) // Internal UART
  95 {
  96   Name(_HID, EISAID("PNP0501"))
  97
  98   Name(_UID,1)
  99
 100   // Status Method for internal UART
 101
 102   Method(_STA,0,Serialized)
 103   {
 104     // Only report resources to the OS if internal UART is
 105     // not set to Disabled in BIOS Setup.
 106
 107     If(LEqual(USEL,0))
 108     {
 109       If(LEqual(PU1E,1))
 110       {
 111         Store(1,UI3E) // Enable IRQ3 for UART
 112         Store(1,UI4E) // Enable IRQ4 for UART
 113         Store(1,C1EN) // Enable UART
 114         Return(0x000F)
 115       }
 116     }
 117
 118     Return(0x0000)
 119   }
 120
 121   // Disable Method for internal UART
 122
 123   Method(_DIS,0,Serialized)
 124   {
 125     Store(0,UI3E)
 126     Store(0,UI4E)
 127     Store(0,C1EN)
 128   }
 129
 130   // Current Resource Setting Method for internal UART
 131
 132   Method(_CRS,0,Serialized)
 133   {
 134     // Create the Buffer that stores the Resources to
 135     // be returned.
 136
 137     Name(BUF0,ResourceTemplate()
 138     {
 139       IO(Decode16,0x03F8,0x03F8,0x01,0x08)
 140       IRQNoFlags() {3}
 141     })
 142
 143     Name(BUF1,ResourceTemplate()
 144     {
 145       IO(Decode16,0x03F8,0x03F8,0x01,0x08)
 146       IRQNoFlags() {4}
 147     })
 148
 149     If (LLessEqual(SRID, 0x04))
 150     {
 151       Return(BUF0)
 152     } Else
 153     {
 154       Return(BUF1)
 155     }
 156   }
 157 }