1 files changed, 134 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/acpi/northbridge.asl b/src/soc/amd/stoneyridge/acpi/northbridge.asl
new file mode 100644
index 0000000000..c5876ff4d4
--- /dev/null
+++ b/src/soc/amd/stoneyridge/acpi/northbridge.asl
@@ -0,0 +1,134 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC
+ * Copyright (C) 2016 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.
+ */
+
+/* Note: Only need HID on Primary Bus */
+External (TOM1)
+External (TOM2)
+Name(_HID, EISAID("PNP0A08"))	/* PCI Express Root Bridge */
+Name(_CID, EISAID("PNP0A03"))	/* PCI Root Bridge */
+Name(_ADR, 0x00180000)	/* Dev# = BSP Dev#, Func# = 0 */
+
+/* Describe the Northbridge devices */
+
+Method(_BBN, 0, NotSerialized)	/* Bus number = 0 */
+{
+	Return(Zero)
+}
+
+Method(_STA, 0, NotSerialized)
+{
+	Return(0x0B)	/* Status is visible */
+}
+
+Method(_PRT,0, NotSerialized)
+{
+	If(PMOD)
+	{
+		Return(APR0)	/* APIC mode */
+	}
+	Return (PR0)		/* PIC Mode */
+}
+
+Device(AMRT) {
+	Name(_ADR, 0x00000000)
+} /* end AMRT */
+
+/* Gpp 0 */
+Device(PBR4) {
+	Name(_ADR, 0x00020001)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS4) }	/* APIC mode */
+		Return (PS4)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR4 */
+
+/* Gpp 1 */
+Device(PBR5) {
+	Name(_ADR, 0x00020002)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS5) }	/* APIC mode */
+		Return (PS5)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR5 */
+
+/* Gpp 2 */
+Device(PBR6) {
+	Name(_ADR, 0x00020003)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS6) }	/* APIC mode */
+		Return (PS6)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR6 */
+
+/* Gpp 3 */
+Device(PBR7) {
+	Name(_ADR, 0x00020004)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS7) }	/* APIC mode */
+		Return (PS7)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR7 */
+
+/* Gpp 4 */
+Device(PBR8) {
+	Name(_ADR, 0x00020005)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS8) }	/* APIC mode */
+		Return (PS8)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR8 */
+
+Device(AZHD) {	/* 0:9.2 - HD Audio */
+	Name(_ADR, 0x00090002)
+	OperationRegion(AZPD, PCI_Config, 0x00, 0x100)
+		Field(AZPD, AnyAcc, NoLock, Preserve) {
+		offset (0x42),
+		NSDI, 1,
+		NSDO, 1,
+		NSEN, 1,
+		offset (0x44),
+		IPCR, 4,
+		offset (0x54),
+		PWST, 2,
+		, 6,
+		PMEB, 1,
+		, 6,
+		PMST, 1,
+		offset (0x62),
+		MMCR, 1,
+		offset (0x64),
+		MMLA, 32,
+		offset (0x68),
+		MMHA, 32,
+		offset (0x6C),
+		MMDT, 16,
+	}
+
+	Method (_INI, 0, NotSerialized)
+	{
+		If (LEqual (OSVR, 0x03))
+		{
+			Store (Zero, NSEN)
+			Store (One, NSDO)
+			Store (One, NSDI)
+		}
+	}
+} /* end AZHD */