diff options
Diffstat (limited to 'src/mainboard/amd/union_station/acpi/ide.asl')
| -rw-r--r-- | src/mainboard/amd/union_station/acpi/ide.asl | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/mainboard/amd/union_station/acpi/ide.asl b/src/mainboard/amd/union_station/acpi/ide.asl new file mode 100644 index 0000000000..c79c18c07b --- /dev/null +++ b/src/mainboard/amd/union_station/acpi/ide.asl @@ -0,0 +1,244 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* +Scope (_SB) { + Device(PCI0) { + Device(IDEC) { + Name(_ADR, 0x00140001) + #include "ide.asl" + } + } +} +*/ + +/* Some timing tables */ +Name(UDTT, Package(){ /* Udma timing table */ + 120, 90, 60, 45, 30, 20, 15, 0 /* UDMA modes 0 -> 6 */ +}) + +Name(MDTT, Package(){ /* MWDma timing table */ + 480, 150, 120, 0 /* Legacy DMA modes 0 -> 2 */ +}) + +Name(POTT, Package(){ /* Pio timing table */ + 600, 390, 270, 180, 120, 0 /* PIO modes 0 -> 4 */ +}) + +/* Some timing register value tables */ +Name(MDRT, Package(){ /* MWDma timing register table */ + 0x77, 0x21, 0x20, 0xFF /* Legacy DMA modes 0 -> 2 */ +}) + +Name(PORT, Package(){ + 0x99, 0x47, 0x34, 0x22, 0x20, 0x99 /* PIO modes 0 -> 4 */ +}) + +OperationRegion(ICRG, PCI_Config, 0x40, 0x20) /* ide control registers */ + Field(ICRG, AnyAcc, NoLock, Preserve) +{ + PPTS, 8, /* Primary PIO Slave Timing */ + PPTM, 8, /* Primary PIO Master Timing */ + OFFSET(0x04), PMTS, 8, /* Primary MWDMA Slave Timing */ + PMTM, 8, /* Primary MWDMA Master Timing */ + OFFSET(0x08), PPCR, 8, /* Primary PIO Control */ + OFFSET(0x0A), PPMM, 4, /* Primary PIO master Mode */ + PPSM, 4, /* Primary PIO slave Mode */ + OFFSET(0x14), PDCR, 2, /* Primary UDMA Control */ + OFFSET(0x16), PDMM, 4, /* Primary UltraDMA Mode */ + PDSM, 4, /* Primary UltraDMA Mode */ +} + +Method(GTTM, 1) /* get total time*/ +{ + Store(And(Arg0, 0x0F), Local0) /* Recovery Width */ + Increment(Local0) + Store(ShiftRight(Arg0, 4), Local1) /* Command Width */ + Increment(Local1) + Return(Multiply(30, Add(Local0, Local1))) +} + +Device(PRID) +{ + Name (_ADR, Zero) + Method(_GTM, 0) + { + NAME(OTBF, Buffer(20) { /* out buffer */ + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00 + }) + + CreateDwordField(OTBF, 0, PSD0) /* PIO spd0 */ + CreateDwordField(OTBF, 4, DSD0) /* DMA spd0 */ + CreateDwordField(OTBF, 8, PSD1) /* PIO spd1 */ + CreateDwordField(OTBF, 12, DSD1) /* DMA spd1 */ + CreateDwordField(OTBF, 16, BFFG) /* buffer flags */ + + /* Just return if the channel is disabled */ + If(And(PPCR, 0x01)) { /* primary PIO control */ + Return(OTBF) + } + + /* Always tell them independent timing available and IOChannelReady used on both drives */ + Or(BFFG, 0x1A, BFFG) + + Store(GTTM(PPTM), PSD0) /* save total time of primary PIO master timming to PIO spd0 */ + Store(GTTM(PPTS), PSD1) /* save total time of primary PIO slave Timing to PIO spd1 */ + + If(And(PDCR, 0x01)) { /* It's under UDMA mode */ + Or(BFFG, 0x01, BFFG) + Store(DerefOf(Index(UDTT, PDMM)), DSD0) + } + Else { + Store(GTTM(PMTM), DSD0) /* Primary MWDMA Master Timing, DmaSpd0 */ + } + + If(And(PDCR, 0x02)) { /* It's under UDMA mode */ + Or(BFFG, 0x04, BFFG) + Store(DerefOf(Index(UDTT, PDSM)), DSD1) + } + Else { + Store(GTTM(PMTS), DSD1) /* Primary MWDMA Slave Timing, DmaSpd0 */ + } + + Return(OTBF) /* out buffer */ + } /* End Method(_GTM) */ + + Method(_STM, 3, NotSerialized) + { + NAME(INBF, Buffer(20) { /* in buffer */ + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00 + }) + + CreateDwordField(INBF, 0, PSD0) /* PIO spd0 */ + CreateDwordField(INBF, 4, DSD0) /* PIO spd0 */ + CreateDwordField(INBF, 8, PSD1) /* PIO spd1 */ + CreateDwordField(INBF, 12, DSD1) /* DMA spd1 */ + CreateDwordField(INBF, 16, BFFG) /*buffer flag */ + + Store(Match(POTT, MLE, PSD0, MTR, 0, 0), Local0) + Divide(Local0, 5, PPMM,) /* Primary PIO master Mode */ + Store(Match(POTT, MLE, PSD1, MTR, 0, 0), Local1) + Divide(Local1, 5, PPSM,) /* Primary PIO slave Mode */ + + Store(DerefOf(Index(PORT, Local0)), PPTM) /* Primary PIO Master Timing */ + Store(DerefOf(Index(PORT, Local1)), PPTS) /* Primary PIO Slave Timing */ + + If(And(BFFG, 0x01)) { /* Drive 0 is under UDMA mode */ + Store(Match(UDTT, MLE, DSD0, MTR, 0, 0), Local0) + Divide(Local0, 7, PDMM,) + Or(PDCR, 0x01, PDCR) + } + Else { + If(LNotEqual(DSD0, 0xFFFFFFFF)) { + Store(Match(MDTT, MLE, DSD0, MTR, 0, 0), Local0) + Store(DerefOf(Index(MDRT, Local0)), PMTM) + } + } + + If(And(BFFG, 0x04)) { /* Drive 1 is under UDMA mode */ + Store(Match(UDTT, MLE, DSD1, MTR, 0, 0), Local0) + Divide(Local0, 7, PDSM,) + Or(PDCR, 0x02, PDCR) + } + Else { + If(LNotEqual(DSD1, 0xFFFFFFFF)) { + Store(Match(MDTT, MLE, DSD1, MTR, 0, 0), Local0) + Store(DerefOf(Index(MDRT, Local0)), PMTS) + } + } + /* Return(INBF) */ + } /*End Method(_STM) */ + Device(MST) + { + Name(_ADR, 0) + Method(_GTF) { + Name(CMBF, Buffer(21) { + 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, + 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF5 + }) + CreateByteField(CMBF, 1, POMD) + CreateByteField(CMBF, 8, DMMD) + CreateByteField(CMBF, 5, CMDA) + CreateByteField(CMBF, 12, CMDB) + CreateByteField(CMBF, 19, CMDC) + + Store(0xA0, CMDA) + Store(0xA0, CMDB) + Store(0xA0, CMDC) + + Or(PPMM, 0x08, POMD) + + If(And(PDCR, 0x01)) { + Or(PDMM, 0x40, DMMD) + } + Else { + Store(Match + (MDTT, MLE, GTTM(PMTM), + MTR, 0, 0), Local0) + If(LLess(Local0, 3)) { + Or(0x20, Local0, DMMD) + } + } + Return(CMBF) + } + } /* End Device(MST) */ + + Device(SLAV) + { + Name(_ADR, 1) + Method(_GTF) { + Name(CMBF, Buffer(21) { + 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, + 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF5 + }) + CreateByteField(CMBF, 1, POMD) + CreateByteField(CMBF, 8, DMMD) + CreateByteField(CMBF, 5, CMDA) + CreateByteField(CMBF, 12, CMDB) + CreateByteField(CMBF, 19, CMDC) + + Store(0xB0, CMDA) + Store(0xB0, CMDB) + Store(0xB0, CMDC) + + Or(PPSM, 0x08, POMD) + + If(And(PDCR, 0x02)) { + Or(PDSM, 0x40, DMMD) + } + Else { + Store(Match + (MDTT, MLE, GTTM(PMTS), + MTR, 0, 0), Local0) + If(LLess(Local0, 3)) { + Or(0x20, Local0, DMMD) + } + } + Return(CMBF) + } + } /* End Device(SLAV) */ +} |