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//****************************************************************************
//****************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone (770)-246-8600 **
//** **
//****************************************************************************
//****************************************************************************
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: NBRes.ASL
//
// Description: PCI Root Bridge resources buffer and CRS Method
// MUST be included from NB.ASL directly using "include" ASL term
// Suppose to be already in ROOT BRIDGE Device ASL Scope.
//
// NOTE: NO Porting needed
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
//Defining some place holders, we need to updte at runtime.
Name(CPRB, 0x0) //BOOLEAN Compatible Root Bridge if !=0
Name(LVGA, 0x55) //BOOLEAN Legacy Video Present if !=0
Name(STAV,0x0F)
//Information Provided in RootBridgeIo->Configuration() function.
Name(BRB, 0x0100) //Bus Range Base
Name(BRL, 0x0100) //Bus Range Length
Name(IOB, 0x0100) //IO Range BASE (16bit resource)
Name(IOL, 0x0100) //IO Range LENGTH
Name(MBB, 0x10000) //Memory Range Below 4G BASE (32bit resource)
Name(MBL, 0x10000) //Memory Range Below 4G LENGTH (32bit resource)
Name(MABL, 0x10000) //Memory Range Above 4G BASE LSDW (32bit resource)
Name(MABH, 0x10000) //Memory Range Above 4G BASE MSDW (32bit resource)
Name(MALL, 0x10000) //Memory Range Above 4G LENGTH LSDW (32bit resource)
Name(MALH, 0x10000) //Memory Range Above 4G LENGTH LSDW (32bit resource)
Name(MAML, 0x10000) //Memory Range Above 4G LENGTH LSDW (32bit resource)
Name(MAMH, 0x10000) //Memory Range Above 4G LENGTH LSDW (32bit resource)
//---------------------------------------------------------------------------
//Resource buffer to be used for COMPATIBILITY ROOT BRIDGE (one that decodes ISA resources)
Name(CRS1, ResourceTemplate() {
WORDBusNumber( //Bus number resource (0); the bridge produces bus numbers for its subsequent buses
ResourceProducer, // bit 0 of general flags is 1
MinFixed, // Range is not fixed
MaxFixed, // Range is not fixed
PosDecode, // PosDecode
0x0000, // Granularity
0x0000, // Min
0x007f, // Max; half of the available bus numbers are reserved for this root bus
0x0000, // Translation
0x0080, // Range Length
,,
BUS1
)
// CF8 - CFC
IO( //Consumed resource for 1st root bus(CF8-CFF)
Decode16,
0x0cf8,
0xcf8,
1,
8
)
// All IO below 3B0
WORDIO( //Consumed-and-produced resource (all I/O below 3B0 is assigned to this root bus)
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x0000, // Min
0x03af, // Max
0x0000, // Translation
0x03b0 // Range Length
)
// 3E0 - CF7
WORDIO( //Consumed-and-produced resource (all I/O between 3E0 and CF8 is assigned to this root bus)
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x03e0, // Min
0x0cf7, // Max
0x0000, // Translation
0x0918 // Range Length
)
// For Legacy Video IO (3B0 - 3DF)
WORDIO( //Consumed-and-produced resource (Used for legacy video)
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x0000, // Min
0x0000, // Max
0x0000, // Translation
0x0000, // Range Length
,,
VIO1
)
// Other IO used by this root bridge
WORDIO( //Consumed-and-produced resource
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x0d00, // Min
0x0fff, // Max
0x0000, // Translation
0x0300, // Range Length
,,
IOW2
)
// For Legacy Video Memory (A000 - BFFF)
DWORDMEMORY( // descriptor for video RAM behind ISA bus
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x00000000, // Min
0x00000000, // Max
0x00000000, // Translation
0x00000000, // Range Length
,,
VGA1
)
// ISA Option ROMs
DWORDMEMORY( // for device ROMs for ISA plugins devices
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
NonCacheable,
ReadWrite,
0x00000000, // Granularity
0x000c0000, // Min
0x000dffff, // Max
0x00000000, // Translation
0x00020000 // Range Length
)
// Memory < 4GB
DWORDMEMORY( // Consumed-and-produced resource(all of memory space)
ResourceProducer, // bit 0 of general flags is 0
PosDecode, // positive Decode
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x02000000, // Min (calculated dynamically)
0xffdfffff, // Max = 4GB - 2MB
0x00000000, // Translation
0xfdfc0000, // Range Length (calculated dynamically)
, // Optional field left blank
, // Optional field left blank
MEM3 // Name declaration for this descriptor
)
// Memory > 4GB
QWORDMEMORY( // descriptor for MMIO ABOVE 4G
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x00000000, // Min
0x00000000, // Max
0x00000000, // Translation
0x00000000, // Range Length
,,
MEM8
)
})//End resource template Name CRS1
//Resource buffer to be used for NONE COMPATIBILITY ROOT BRIDGE
Name(CRS2, ResourceTemplate() {
WORDBusNumber( //Bus number resource (0); the bridge produces bus numbers for its subsequent buses
ResourceProducer, // bit 0 of general flags is 1
MinFixed, // Range is not fixed
MaxFixed, // Range is not fixed
PosDecode, // PosDecode
0x0000, // Granularity
0x0080, // Min
0x00ff, // Max; half of the available bus numbers are reserved for this root bus
0x0000, // Translation
0x0080, // Range Length
,,
BUS2
)
// For Legacy Video IO (3B0 - 3DF)
WORDIO( //Consumed-and-produced resource (Used for legacy video)
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x0000, // Min
0x0000, // Max
0x0000, // Translation
0x0000, // Range Length
,,
VIO2
)
// Other IO used by this root bridge
WORDIO( //Consumed-and-produced resource
ResourceProducer, // bit 0 of general flags is 0
MinFixed, // Range is fixed
MaxFixed, // Range is fixed
PosDecode,
EntireRange,
0x0000, // Granularity
0x0000, // Min
0x0000, // Max
0x0000, // Translation
0x0000, // Range Length
,,
IOW3
)
// For Legacy Video Memory (A000 - BFFF)
DWORDMEMORY( // descriptor for video RAM behind ISA bus
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x00000000, // Min
0x00000000, // Max
0x00000000, // Translation
0x00000000, // Range Length
,,
VGA2
)
// Memory < 4GB
DWORDMEMORY( // descriptor for video RAM behind ISA bus
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x80000000, // Min
0xffffffff, // Max
0x00000000, // Translation
0x80000000, // Range Length
,,
MEM1
)
// Memory > 4GB
QWORDMEMORY( // descriptor for MMIO ABOVE 4G
ResourceProducer, // bit 0 of general flags is 0
PosDecode,
MinFixed, // Range is fixed
MaxFixed, // Range is Fixed
Cacheable,
ReadWrite,
0x00000000, // Granularity
0x00000000, // Min
0x00000000, // Max
0x00000000, // Translation
0x00000000, // Range Length
,,
MEM9
)
} ) //End resource template Name CRS2
Method(_STA, 0){
Return(STAV)
}
Method(_CRS, 0) {
//breakpoint
//This is for compatibility bridges
If(CPRB){
//Bus Range
CreateWordField(CRS1, ^BUS1._MIN, MIN0) // Min
CreateWordField(CRS1, ^BUS1._MAX, MAX0) // Max
CreateWordField(CRS1, ^BUS1._LEN, LEN0) // Length
Store(BRB, MIN0)
Store(BRL, LEN0)
Store(LEN0,Local0)
Add(MIN0, Decrement(Local0), MAX0)
//Update Upper IO from 0x0D00 up to IOB+IOL
CreateWordField(CRS1, ^IOW2._MIN, MIN1) // Min
CreateWordField(CRS1, ^IOW2._MAX, MAX1) // Max
CreateWordField(CRS1, ^IOW2._LEN, LEN1) // Length
If(LEqual(IOB, 0x1000)){
Store(IOL, Local0)
Add(IOB, Decrement(Local0), MAX1)
Subtract(MAX1,MIN1,Local0)
Add(Local0,1,LEN1)
} else {
Store(IOB, MIN1)
Store(IOL, LEN1)
Store(LEN1,Local0)
Add(MIN1, Decrement(Local0), MAX1)
}
If(LOr(LEqual(LVGA,1),LEqual(LVGA,0x55))){
if(VGAF){//will update this only once.
CreateWordField(CRS1, ^VIO1._MIN, IMN1) // Min
CreateWordField(CRS1, ^VIO1._MAX, IMX1) // Max
CreateWordField(CRS1, ^VIO1._LEN, ILN1) // Length
Store(0x03b0, IMN1)
Store(0x03df, IMX1)
Store(0x0030, ILN1)
CreateDWordField(CRS1, ^VGA1._MIN, VMN1) // Min
CreateDWordField(CRS1, ^VGA1._MAX, VMX1) // Max
CreateDWordField(CRS1, ^VGA1._LEN, VLN1) // Length
Store(0x000a0000, VMN1)
Store(0x000bffff, VMX1)
Store(0x00020000, VLN1)
Store(0, VGAF)
}
}
//Update MMIO Below 4G
CreateDWordField(CRS1, ^MEM3._MIN, MIN3) // Min
CreateDWordField(CRS1, ^MEM3._MAX, MAX3) // Max
CreateDWordField(CRS1, ^MEM3._LEN, LEN3) // Length
Store(MBB, MIN3)
Store(MBL, LEN3)
Store(LEN3,Local0)
Add(MIN3, Decrement(Local0), MAX3)
If(LOr(MALH,MALL)){
CreateDWordField(CRS1, ^MEM8._MIN, MN8L) // Min_LO
Add(^MEM8._MIN,4,Local0)
CreateDWordField(CRS1, Local0, MN8H) // Min_HI
Store(MABL, MN8L)
Store(MABH, MN8H)
CreateDwordField(CRS1, ^MEM8._MAX, MX8L) // Max_LO
Add(^MEM8._MAX,4,Local1)
CreateDWordField(CRS1, Local1, MX8H) // Max_HI
CreateDwordField(CRS1, ^MEM8._LEN, LN8L) // Len_LO
Add(^MEM8._LEN,4,Local2)
CreateDWordField(CRS1, Local2, LN8H) // Len_HI
//Update fields.
//1. _MIN 64bits...
Store(MABL, MN8L)
Store(MABH, MN8H)
//2. _LEN 64Bits
Store(MALL, LN8L)
Store(MALH, LN8H)
//2. _MAX 64Bits
Store(MAML, MX8L)
Store(MAMH, MX8H)
}
Return(CRS1)
} else {
//Bus Range
CreateWordField(CRS2, ^BUS2._MIN, MIN2) // Min
CreateWordField(CRS2, ^BUS2._MAX, MAX2) // Max
CreateWordField(CRS2, ^BUS2._LEN, LEN2) // Length
Store(BRB, MIN2)
Store(BRL, LEN2)
Store(LEN2,Local1)
Add(MIN2, Decrement(Local1), MAX2)
//Update Upper IO from IOB up to IOB+IOL
CreateWordField(CRS2, ^IOW3._MIN, MIN4) // Min
CreateWordField(CRS2, ^IOW3._MAX, MAX4) // Max
CreateWordField(CRS2, ^IOW3._LEN, LEN4) // Length
Store(IOB, MIN4)
Store(IOL, LEN4)
Store(LEN4,Local1)
Add(MIN4, Decrement(Local1), MAX4)
If(LVGA){
CreateWordField(CRS2, ^VIO2._MIN, IMN2) // Min
CreateWordField(CRS2, ^VIO2._MAX, IMX2) // Max
CreateWordField(CRS2, ^VIO2._LEN, ILN2) // Length
Store(0x03b0, IMN2)
Store(0x03df, IMX2)
Store(0x0030, ILN2)
CreateDWordField(CRS2, ^VGA2._MIN, VMN2) // Min
CreateDWordField(CRS2, ^VGA2._MAX, VMX2) // Max
CreateDWordField(CRS2, ^VGA2._LEN, VLN2) // Length
Store(0x000a0000, VMN2)
Store(0x000bffff, VMX2)
Store(0x00020000, VLN2)
}
//Update MMIO Below 4G
CreateDWordField(CRS2, ^MEM1._MIN, MIN5) // Min
CreateDWordField(CRS2, ^MEM1._MAX, MAX5) // Max
CreateDWordField(CRS2, ^MEM1._LEN, LEN5) // Length
Store(MBB, MIN5)
Store(MBL, LEN5)
Store(LEN5,Local1)
Add(MIN5, Decrement(Local1), MAX5)
//Update Above 4G memory space if any
If(LOr(MALH, MALL)){
CreateDWordField(CRS2, ^MEM9._MIN, MN9L) // Min_LO
Add(^MEM9._MIN,4,Local0)
CreateDWordField(CRS2, Local0, MN9H) // Min_HI
CreateDwordField(CRS2, ^MEM9._MAX, MX9L) // Max_LO
Add(^MEM9._MAX,4,Local1)
CreateDWordField(CRS2, Local1, MX9H) // Max_HI
CreateDwordField(CRS2, ^MEM9._LEN, LN9L) // Len_LO
Add(^MEM9._LEN,4,Local2)
CreateDWordField(CRS2, Local2, LN9H) // Len_HI
//Update fields.
//1. _MIN 64bits...
Store(MABL, MN9L)
Store(MABH, MN9H)
//2. _LEN 64Bits
Store(MALL, LN9L)
Store(MALH, LN9H)
//2. _MAX 64Bits
Store(MAML, MX9L)
Store(MAMH, MX9H)
}
Return(CRS2)
}
} // end ROOT BRIDGE PCIx._CRS Method
//----------------------------------------------------------------------------
//****************************************************************************
//****************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone (770)-246-8600 **
//** **
//****************************************************************************
//****************************************************************************
|
