Vlv2DeviceRefCodePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / Vlv2DeviceRefCodePkg / AcpiTablesPCAT / HOST_BUS.ASL

/*++\r
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Copyright (c)  1999  - 2014, Intel Corporation. All rights reserved\r
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  SPDX-License-Identifier: BSD-2-Clause-Patent\r
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Module Name:\r
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  HOST_BUS.ASL\r
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Abstract:\r
\r
  Baytrail PCI configuration space definition.\r
\r
---*/\r
Device(VLVC)\r
{\r
  Name(_ADR, 0x00000000)           // Device 0, Function 0\r
\r
  // Define various MCH Controller PCI Configuration Space\r
  // registers which will be used to dynamically produce all\r
  // resources in the Host Bus _CRS.\r
  OperationRegion(HBUS, PCI_Config, 0x00, 0xFF)\r
  Field(HBUS, DWordAcc, NoLock, Preserve)\r
  {\r
    Offset(0xD0),\r
    SMCR,   32,             // VLV Message Control Register (0xD0)\r
    Offset(0xD4),\r
    SMDR,   32,             // VLV Message Data Register (0xD4)\r
    Offset(0xD8),\r
    MCRX,   32,             // VLV Message Control Register Extension (0xD8)\r
  }\r
\r
  // Define a method to read a 32-bit register on the VLV Message bus.\r
  //  Arg0 = Port\r
  //  Arg1 = Register\r
  //\r
  //  Returns 32-bit register value\r
\r
  Method(RMBR, 2, Serialized)\r
  {\r
\r
    // Initiate regsiter read message on VLV Message Bus MCR\r
\r
    Or(ShiftLeft(Arg0, 16), ShiftLeft(Arg1, 8), Local0)\r
    Or(0x100000F0, Local0, SMCR)\r
\r
    // Read register value from Message Data Register\r
\r
    Return(SMDR)\r
  }\r
\r
\r
  // Define a method to write a 32-bit register on the VLV Message bus MDR.\r
  //  Arg0 = Port\r
  //  Arg1 = Register\r
  //  Arg2 = 32-bit value\r
\r
  Method(WMBR, 3, Serialized)\r
  {\r
\r
    // Write register value to Message Data Register\r
\r
    Store(Arg2, SMDR)\r
\r
    // Initiate register write message on VLV Message Bus\r
\r
    Or(ShiftLeft(Arg0, 16), ShiftLeft(Arg1, 8), Local0)\r
    Or(0x110000F0, Local0, SMCR)\r
  }\r
}\r
\r
//\r
// BUS, I/O, and MMIO resources\r
//\r
Method(_CRS,0,Serialized)\r
{\r
  //Update ISP0 reserved memory\r
  CreateDwordField(RES0, ^ISP0._MIN,ISMN)\r
  CreateDwordField(RES0, ^ISP0._MAX,ISMX)\r
  CreateDwordField(RES0, ^ISP0._LEN,ISLN)\r
  If (LEqual(ISPD,1))\r
  {\r
    Store (ISPA, ISMN)\r
    Add (ISMN, ISLN, ISMX)\r
    Subtract(ISMX, 1, ISMX)\r
  } Else\r
  {\r
    Store (0, ISMN)\r
    Store (0, ISMX)\r
    Store (0, ISLN)\r
  }\r
\r
  //PCI MMIO SPACE\r
  CreateDwordField(RES0, ^PM01._MIN,M1MN)\r
  CreateDwordField(RES0, ^PM01._MAX,M1MX)\r
  CreateDwordField(RES0, ^PM01._LEN,M1LN)\r
\r
  //Get dBMBOUND Base\r
  And(BMBD, 0xFF000000, M1MN)\r
\r
  //Get ECBASE\r
  Store(PCIT, M1MX)\r
  Add(Subtract(M1MX, M1MN), 1, M1LN)\r
  Subtract(M1MX, 1, M1MX)\r
\r
  // Create pointers to Gfx Stolen Memory Sizing values.\r
  CreateDwordField(RES0, ^STOM._MIN,GSMN)\r
  CreateDwordField(RES0, ^STOM._MAX,GSMX)\r
  CreateDwordField(RES0, ^STOM._LEN,GSLN)\r
\r
  If (LNotEqual (\_SB.PCI0.GFX0.GSTM, 0xFFFFFFFF))\r
  {\r
    Store(0x00, GSMN) //Read the Stolen memory base from B0:D2:F0:R5C\r
  } else\r
  {\r
    Store(\_SB.PCI0.GFX0.GSTM, GSMN) //Read the Stolen memory base from B0:D2:F0:R5C\r
  }\r
  If (LNotEqual (\_SB.PCI0.GFX0.GUMA, 0xFFFFFFFF))\r
  {\r
    Store(0x00, GSLN) //Read the Stolen memory base from B0:D2:F0:R5C\r
  } else\r
  {\r
    ShiftLeft(\_SB.PCI0.GFX0.GUMA, 25, GSLN) //Read Stolen memory base form B0:D2:F0:R50\r
  }\r
  Add(GSMN, GSLN, GSMX) //Store the Stolen Memory Size\r
  Subtract(GSMX, 1, GSMX)\r
\r
  Return(RES0)\r
}\r
\r
Name( RES0,ResourceTemplate()\r
{\r
  WORDBusNumber (          // Bus number resource (0); the bridge produces bus numbers for its subsequent buses\r
    ResourceProducer,      // bit 0 of general flags is 1\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    PosDecode,             // PosDecode\r
    0x0000,                // Granularity\r
    0x0000,                // Min\r
    0x00FF,                // Max\r
    0x0000,                // Translation\r
    0x0100                 // Range Length = Max-Min+1\r
  )\r
\r
  IO (Decode16, 0x70, 0x77, 0x01, 0x08)         //Consumed resource (0xCF8-0xCFF)\r
  IO (Decode16, 0xCF8, 0xCF8, 0x01, 0x08)       //Consumed resource (0xCF8-0xCFF)\r
\r
  WORDIO (                 // Consumed-and-produced resource (all I/O below CF8)\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    PosDecode,\r
    EntireRange,\r
    0x0000,                // Granularity\r
    0x0000,                // Min\r
    0x006F,                // Max\r
    0x0000,                // Translation\r
    0x0070                 // Range Length\r
  )\r
\r
  WORDIO (                 // Consumed-and-produced resource\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    PosDecode,\r
    EntireRange,\r
    0x0000,                // Granularity\r
    0x0078,                // Min\r
    0x0CF7,                // Max\r
    0x0000,                // Translation\r
    0x0C80                 // Range Length\r
  )\r
\r
  WORDIO (                 // Consumed-and-produced resource (all I/O above CFF)\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    PosDecode,\r
    EntireRange,\r
    0x0000,                // Granularity\r
    0x0D00,                // Min\r
    0xFFFF,                // Max\r
    0x0000,                // Translation\r
    0xF300                 // Range Length\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for legacy VGA video RAM\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x000A0000,            // Min\r
    0x000BFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x00020000             // Range Length\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for legacy OptionRom\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x000C0000,            // Min\r
    0x000DFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x00020000             // Range Length\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for BIOS Area\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x000E0000,            // Min\r
    0x000FFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x00020000             // Range Length\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for ISP0 reserved Mem\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x7A000000,            // Min\r
    0x7A3FFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x00400000             // Range Length\r
    ,,,\r
    ISP0\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for VGA Stolen Mem\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x7C000000,            // Min\r
    0x7FFFFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x04000000             // Range Length\r
    ,,,\r
    STOM\r
  )\r
\r
  DWORDMEMORY (            // Descriptor for PCI MMIO\r
    ResourceProducer,      // bit 0 of general flags is 0\r
    PosDecode,\r
    MinFixed,              // Range is fixed\r
    MaxFixed,              // Range is fixed\r
    Cacheable,\r
    ReadWrite,\r
    0x00000000,            // Granularity\r
    0x80000000,            // Min\r
    0xDFFFFFFF,            // Max\r
    0x00000000,            // Translation\r
    0x60000000             // Range Length\r
    ,,,\r
    PM01\r
  )\r
})\r
\r
//Name(GUID,UUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))\r
Name(GUID,Buffer()\r
{\r
  0x5b, 0x4d, 0xdb, 0x33,\r
  0xf7, 0x1f,\r
  0x1c, 0x40,\r
  0x96, 0x57,\r
  0x74, 0x41, 0xc0, 0x3d, 0xd7, 0x66\r
})\r
\r
\r
Name(SUPP,0)    // PCI _OSC Support Field value\r
Name(CTRL,0)    // PCI _OSC Control Field value\r
\r
Method(_OSC,4,Serialized)\r
{\r
  // Check for proper UUID\r
  // Save the capabilities buffer\r
  Store(Arg3,Local0)\r
\r
  // Create DWord-adressable fields from the Capabilties Buffer\r
  CreateDWordField(Local0,0,CDW1)\r
  CreateDWordField(Local0,4,CDW2)\r
  CreateDWordField(Local0,8,CDW3)\r
\r
  // Check for proper UUID\r
  If(LAnd(LEqual(Arg0,GUID),NEXP))\r
  {\r
    // Save Capabilities DWord2 & 3\r
    Store(CDW2,SUPP)\r
    Store(CDW3,CTRL)\r
\r
    If(Not(And(CDW1,1)))    // Query flag clear?\r
    {\r
      // Disable GPEs for features granted native control.\r
      If(And(CTRL,0x02))\r
      {\r
        NHPG()\r
      }\r
      If(And(CTRL,0x04))      // PME control granted?\r
      {\r
        NPME()\r
      }\r
    }\r
\r
    If(LNotEqual(Arg1,One))\r
    {\r
      // Unknown revision\r
      Or(CDW1,0x08,CDW1)\r
    }\r
\r
    If(LNotEqual(CDW3,CTRL))\r
    {\r
      // Capabilities bits were masked\r
      Or(CDW1,0x10,CDW1)\r
    }\r
    // Update DWORD3 in the buffer\r
	And(CTRL,0xfe,CTRL)                \r
    Store(CTRL,CDW3)\r
    Store(CTRL,OSCC)\r
    Return(Local0)\r
  } Else\r
  {\r
    Or(CDW1,4,CDW1)         // Unrecognized UUID\r
    Return(Local0)\r
  }\r
}       // End _OSC\r