southbridge/intel: Add FSP based i89xx southbridge support

The Intel i89xx is a communications chipset that pairs with
Sandy(Ivy)bridge processors. It has a lot in common with
the bd82x6x chipset, but fewer devices and options.

Change-Id: I11bcd1edc80f72a1b2521def9be0d1bde5789a79
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/12166
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 169 insertions, 0 deletions

diff --git a/src/southbridge/intel/fsp_i89xx/acpi/pcie.asl b/src/southbridge/intel/fsp_i89xx/acpi/pcie.asl
new file mode 100644
index 0000000000..3b6c3db3aa
--- /dev/null
+++ b/src/southbridge/intel/fsp_i89xx/acpi/pcie.asl
@@ -0,0 +1,169 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2012 The Chromium OS Authors.  All Rights Reserved.
+ *
+ * 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.
+ */
+
+/* Intel 6/7 Series PCH PCIe support */
+
+// PCI Express Ports
+
+Method (IRQM, 1, Serialized) {
+
+	/* Interrupt Map INTA->INTA, INTB->INTB, INTC->INTC, INTD->INTD */
+	Name (IQAA, Package() {
+		Package() { 0x0000ffff, 0, 0, 16 },
+		Package() { 0x0000ffff, 1, 0, 17 },
+		Package() { 0x0000ffff, 2, 0, 18 },
+		Package() { 0x0000ffff, 3, 0, 19 } })
+	Name (IQAP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 } })
+
+	/* Interrupt Map INTA->INTB, INTB->INTC, INTC->INTD, INTD->INTA */
+	Name (IQBA, Package() {
+		Package() { 0x0000ffff, 0, 0, 17 },
+		Package() { 0x0000ffff, 1, 0, 18 },
+		Package() { 0x0000ffff, 2, 0, 19 },
+		Package() { 0x0000ffff, 3, 0, 16 } })
+	Name (IQBP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 } })
+
+	/* Interrupt Map INTA->INTC, INTB->INTD, INTC->INTA, INTD->INTB */
+	Name (IQCA, Package() {
+		Package() { 0x0000ffff, 0, 0, 18 },
+		Package() { 0x0000ffff, 1, 0, 19 },
+		Package() { 0x0000ffff, 2, 0, 16 },
+		Package() { 0x0000ffff, 3, 0, 17 } })
+	Name (IQCP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKB, 0 } })
+
+	/* Interrupt Map INTA->INTD, INTB->INTA, INTC->INTB, INTD->INTC */
+	Name (IQDA, Package() {
+		Package() { 0x0000ffff, 0, 0, 19 },
+		Package() { 0x0000ffff, 1, 0, 16 },
+		Package() { 0x0000ffff, 2, 0, 17 },
+		Package() { 0x0000ffff, 3, 0, 18 } })
+	Name (IQDP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKC, 0 } })
+
+	Switch (ToInteger (Arg0)) {
+		/* PCIe Root Port 1 and 5 */
+		Case (Package() { 1, 5 }) {
+			If (PICM) {
+				Return (IQAA)
+			} Else {
+				Return (IQAP)
+			}
+		}
+
+		/* PCIe Root Port 2 and 6 */
+		Case (Package() { 2, 6 }) {
+			If (PICM) {
+				Return (IQBA)
+			} Else {
+				Return (IQBP)
+			}
+		}
+
+		/* PCIe Root Port 3 and 7 */
+		Case (Package() { 3, 7 }) {
+			If (PICM) {
+				Return (IQCA)
+			} Else {
+				Return (IQCP)
+			}
+		}
+
+		/* PCIe Root Port 4 and 8 */
+		Case (Package() { 4, 8 }) {
+			If (PICM) {
+				Return (IQDA)
+			} Else {
+				Return (IQDP)
+			}
+		}
+
+		Default {
+			If (PICM) {
+				Return (IQDA)
+			} Else {
+				Return (IQDP)
+			}
+		}
+	}
+}
+
+Device (RP01)
+{
+	Name (_ADR, 0x001c0000)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP02)
+{
+	Name (_ADR, 0x001c0001)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP03)
+{
+	Name (_ADR, 0x001c0002)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP04)
+{
+	Name (_ADR, 0x001c0003)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}