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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
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+++ 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) */
+}