gizmosphere/gizmo2: Add the gizmo2 IRQ routing

Change-Id: Ic00790eedd48a2b78620fea329464701cd294cbb
Signed-off-by: Dave Frodin <dave.frodin@se-eng.com>
Reviewed-on: http://review.coreboot.org/7723
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/mainboard/gizmosphere/gizmo2/mainboard.c b/src/mainboard/gizmosphere/gizmo2/mainboard.c
index cf02528..c4a20c6 100644
--- a/src/mainboard/gizmosphere/gizmo2/mainboard.c
+++ b/src/mainboard/gizmosphere/gizmo2/mainboard.c
@@ -2,6 +2,8 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Sage Electronic Engineering, LLC
+ * 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
@@ -25,10 +27,97 @@
 #include <cpu/amd/mtrr.h>
 #include <device/pci_def.h>
 #include <arch/acpi.h>
+#include <southbridge/amd/agesa/hudson/pci_devs.h>
+#include <southbridge/amd/agesa/hudson/amd_pci_int_defs.h>
+#include <southbridge/amd/amd_pci_util.h>
+#include <northbridge/amd/agesa/family16kb/pci_devs.h>
 #include <northbridge/amd/agesa/BiosCallOuts.h>
 #include <cpu/amd/agesa/s3_resume.h>
 #include <northbridge/amd/agesa/agesawrapper.h>
 
+/***********************************************************
+ * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
+ * This table is responsible for physically routing the PIC and
+ * IOAPIC IRQs to the different PCI devices on the system.  It
+ * is read and written via registers 0xC00/0xC01 as an
+ * Index/Data pair.  These values are chipset and mainboard
+ * dependent and should be updated accordingly.
+ *
+ * These values are used by the PCI configuration space,
+ * MP Tables.  TODO: Make ACPI use these values too.
+ */
+const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
+	/* INTA# - INTH# */
+	[0x00] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,
+	/* Misc-nil,0,1,2, INT from Serial irq */
+	[0x08] = 0xFA,0xF1,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
+	/* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */
+	[0x10] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
+	/* IMC INT0 - 5 */
+	[0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
+	/* USB Devs 18/19/22 INTA-C */
+	[0x30] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,
+	/* SATA */
+	[0x41] = 0x0F,
+};
+
+const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = {
+	/* INTA# - INTH# */
+	[0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
+	/* Misc-nil,0,1,2, INT from Serial irq */
+	[0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
+	/* SCI, SMBUS0, ASF, HDA, FC, GEC, PerMon, SD */
+	[0x10] = 0x09,0x1F,0x1F,0x10,0x1F,0x10,0x1F,0x10,0x1F,
+	/* IMC INT0 - 5 */
+	[0x20] = 0x05,0x1F,0x1F,0x1F,0x1F,0x1F,
+	/* USB Devs 18/19/20/22 INTA-C */
+	[0x30] = 0x12,0x11,0x12,0x11,0x12,0x11,0x12,
+	/* SATA */
+	[0x41] = 0x13
+};
+
+/*
+ * This table defines the index into the picr/intr_data
+ * tables for each device.  Any enabled device and slot
+ * that uses hardware interrupts should have an entry
+ * in this table to define its index into the FCH
+ * PCI_INTR register 0xC00/0xC01.  This index will define
+ * the interrupt that it should use.  Putting PIRQ_A into
+ * the PIN A index for a device will tell that device to
+ * use PIC IRQ 10 if it uses PIN A for its hardware INT.
+ */
+static const struct pirq_struct mainboard_pirq_data[] = {
+	/* {PCI_devfn,	{PIN A, PIN B, PIN C, PIN D}}, */
+	{GFX_DEVFN,	{PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC}},			/* VGA:		01.0 */
+	{ACTL_DEVFN,{PIRQ_NC, PIRQ_B, PIRQ_NC, PIRQ_NC}},			/* Audio:	01.1 */
+	{NB_PCIE_PORT1_DEVFN,	{PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}},	/* x4 PCIe:	02.1 */
+	{NB_PCIE_PORT2_DEVFN,	{PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A}},	/* mPCIe:	02.2 */
+	{NB_PCIE_PORT3_DEVFN,	{PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B}},	/* NIC:		02.3 */
+	{NB_PCIE_PORT4_DEVFN,	{PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C}},	/* Edge:	02.4 */
+	{NB_PCIE_PORT5_DEVFN,	{PIRQ_E, PIRQ_F, PIRQ_G, PIRQ_H}},	/* Edge:	02.5 */
+	{XHCI_DEVFN,	{PIRQ_C, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* XHCI:	10.0 */
+	{SATA_DEVFN,	{PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* SATA:	11.0 */
+	{OHCI1_DEVFN,	{PIRQ_OHCI1, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* OHCI1:	12.0 */
+	{EHCI1_DEVFN,	{PIRQ_NC, PIRQ_EHCI1, PIRQ_NC, PIRQ_NC}},	/* EHCI1:	12.2 */
+	{OHCI2_DEVFN,	{PIRQ_OHCI2, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* OHCI2:	13.0 */
+	{EHCI2_DEVFN,	{PIRQ_NC, PIRQ_EHCI2, PIRQ_NC, PIRQ_NC}},	/* EHCI2:	13.2 */
+	{SMBUS_DEVFN,	{PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* SMBUS:	14.0 */
+	{HDA_DEVFN,		{PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* HDA:		14.2 */
+	{SD_DEVFN,		{PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* SD:		14.7 */
+};
+
+const u8 *picr_data = mainboard_picr_data;
+const u8 *intr_data = mainboard_intr_data;
+
+/* PIRQ Setup */
+static void pirq_setup(void)
+{
+	pirq_data_ptr = mainboard_pirq_data;
+	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	intr_data_ptr = mainboard_intr_data;
+	picr_data_ptr = mainboard_picr_data;
+}
+
 /**********************************************
  * enable the dedicated function in mainboard.
  **********************************************/
@@ -38,6 +127,9 @@
 
 	if (acpi_is_wakeup_s3())
 		agesawrapper_fchs3earlyrestore();
+
+	/* Initialize the PIRQ data structures for consumption */
+	pirq_setup();
 }
 
 struct chip_operations mainboard_ops = {