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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Kyösti Mälkki <kyosti.malkki@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
Device (MBRS)
{
Name (_HID, EisaId ("PNP0C01"))
Name (_UID, 0x01)
Name (MSBF, ResourceTemplate ()
{
/* System memory */
QWordMemory (ResourceProducer, PosDecode, MinFixed,
MaxNotFixed, Prefetchable, ReadWrite,
0x0, 0x100000000, 0x400000000, 0x0, 0x0, ,, _Y1C,
AddressRangeMemory, TypeStatic)
/* Top Of Low Memory */
Memory32 (ReadOnly, 0x0, 0x0, 0x1, 0x0, _Y1D)
/* 640kB who wants more? */
Memory32Fixed (ReadWrite, 0x0, 0xA0000, )
/* 64k BIOS bootblock */
Memory32Fixed (ReadOnly, 0xF0000, 0x10000,)
/* ISA memory hole 15-16 MB ? */
/* Memory32Fixed (ReadOnly, 0x100000, 0xF00000,) */
/* ISA memory hole 14-15 MB ? */
/* Memory32Fixed (ReadOnly, 0x100000, 0xE00000,) */
/* Local APIC */
Memory32Fixed (ReadWrite, 0xFEE00000, 0x00001000,)
})
Method (_CRS, 0, NotSerialized)
{
CreateQWordField (MSBF, \_SB.MBRS._Y1C._MIN, MEML)
CreateQWordField (MSBF, \_SB.MBRS._Y1C._MAX, MEMM)
CreateQWordField (MSBF, \_SB.MBRS._Y1C._LEN, LELM)
And (\_SB.PCI0.RLAR, 0x03FF, Local1)
Increment (Local1)
If (LGreater (Local1, 0x40))
{
ShiftLeft (Local1, 0x1A, LELM)
}
CreateDWordField (MSBF, \_SB.MBRS._Y1D._MIN, MS00)
CreateDWordField (MSBF, \_SB.MBRS._Y1D._MAX, MS01)
CreateDWordField (MSBF, \_SB.MBRS._Y1D._LEN, MEM2)
And (\_SB.PCI0.TOLM, 0xF800, Local1)
ShiftRight (Local1, 0x04, Local1)
Decrement (Local1)
If (LGreater (Local1, 0x10))
{
Subtract (Local1, 0x0F, Local1)
Store (ShiftLeft (Local1, 0x14), MEM2)
Store (0x01000000, MS00)
Store (MS00, MS01)
}
Return (MSBF)
}
Method (_STA, 0, NotSerialized)
{
Return (0x0F)
}
}
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