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Diffstat (limited to 'src/southbridge/amd/agesa/hudson/pci.c')
-rw-r--r--src/southbridge/amd/agesa/hudson/pci.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/southbridge/amd/agesa/hudson/pci.c b/src/southbridge/amd/agesa/hudson/pci.c
index 58498f4ab6..e8836e4c7d 100644
--- a/src/southbridge/amd/agesa/hudson/pci.c
+++ b/src/southbridge/amd/agesa/hudson/pci.c
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Sage Electronic Engineering, LLC.
*
* 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
@@ -23,11 +24,35 @@
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "hudson.h"
+#include <southbridge/amd/amd_pci_util.h>
+#include <bootstate.h>
static void pci_init(struct device *dev)
{
}
+/*
+ * Update the PCI devices with a valid IRQ number
+ * that is set in the mainboard PCI_IRQ structures.
+ */
+static void set_pci_irqs(void *unused)
+{
+ /* Write PCI_INTR regs 0xC00/0xC01 */
+ write_pci_int_table();
+
+ /* Write IRQs for all devicetree enabled devices */
+ write_pci_cfg_irqs();
+}
+
+/*
+ * Hook this function into the PCI state machine
+ * on entry into BS_DEV_ENABLE.
+ */
+BOOT_STATE_INIT_ENTRIES(pci_irq_update) = {
+ BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY,
+ set_pci_irqs, NULL),
+};
+
static struct pci_operations lops_pci = {
.set_subsystem = 0,
};