1 files changed, 75 insertions, 0 deletions

diff --git a/arch/mips/pci/fixup-ocelot.c b/arch/mips/pci/fixup-ocelot.c
new file mode 100644
index 000000000000..99629bd047ce
--- /dev/null
+++ b/arch/mips/pci/fixup-ocelot.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * arch/mips/gt64120/momenco_ocelot/pci.c
+ *     Board-specific PCI routines for gt64120 controller.
+ *
+ * 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;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/pci.h>
+
+
+void __devinit pcibios_fixup_bus(struct pci_bus *bus)
+{
+        struct pci_bus *current_bus = bus;
+        struct pci_dev *devices;
+        struct list_head *devices_link;
+        u16 cmd;
+
+        list_for_each(devices_link, &(current_bus->devices)) {
+
+                devices = pci_dev_b(devices_link);
+                if (devices == NULL)
+                        continue;
+
+                if (PCI_SLOT(devices->devfn) == 1) {
+                        /*
+                         * Slot 1 is primary ether port, i82559
+                         * we double-check against that assumption
+                         */
+                        if ((devices->vendor != 0x8086) ||
+                            (devices->device != 0x1209)) {
+                                panic("pcibios_fixup_bus: found "
+                                     "unexpected PCI device in slot 1.");
+                        }
+                        devices->irq = 2;       /* irq_nr is 2 for INT0 */
+                } else if (PCI_SLOT(devices->devfn) == 2) {
+                        /*
+                         * Slot 2 is secondary ether port, i21143
+                         * we double-check against that assumption
+                         */
+                        if ((devices->vendor != 0x1011) ||
+                            (devices->device != 0x19)) {
+                                panic("galileo_pcibios_fixup_bus: "
+                                      "found unexpected PCI device in slot 2.");
+                        }
+                        devices->irq = 3;       /* irq_nr is 3 for INT1 */
+                } else if (PCI_SLOT(devices->devfn) == 4) {
+                        /* PMC Slot 1 */
+                        devices->irq = 8;       /* irq_nr is 8 for INT6 */
+                } else if (PCI_SLOT(devices->devfn) == 5) {
+                        /* PMC Slot 1 */
+                        devices->irq = 9;       /* irq_nr is 9 for INT7 */
+                } else {
+                        /* We don't have assign interrupts for other devices. */
+                        devices->irq = 0xff;
+                }
+
+                /* Assign an interrupt number for the device */
+                bus->ops->write_byte(devices, PCI_INTERRUPT_LINE,
+                                     devices->irq);
+
+                /* enable master */
+                bus->ops->read_word(devices, PCI_COMMAND, &cmd);
+                cmd |= PCI_COMMAND_MASTER;
+                bus->ops->write_word(devices, PCI_COMMAND, cmd);
+        }
+}