Add support for Asus M4A785-M.

Signed-off-by: Juhana Helovuo <juhe@iki.fi>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5809 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 244 insertions, 0 deletions

diff --git a/src/mainboard/asus/m4a785-m/acpi/ide.asl b/src/mainboard/asus/m4a785-m/acpi/ide.asl
new file mode 100644
index 0000000000..6ea2b09f2c
--- /dev/null
+++ b/src/mainboard/asus/m4a785-m/acpi/ide.asl
@@ -0,0 +1,244 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 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) */
+}