bcm47xx: Add driver for the SSB Gigabit Ethernet core.

[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / files / arch / mips / bcm947xx / irq.c

diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c
index 56d4c84b7d54bc596a64ffe4bb6a29036e6b7fea..c6b85a959fdfc4fd7f3d52a298f50b93cc6a2707 100644 (file)
--- a/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c
+++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c
@@ -1,5 +1,6 @@
 /*
  *  Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ *  Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
  *
  *  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
@@ -29,12 +30,18 @@
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
 
 #include <asm/cpu.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/irq_cpu.h>
 
+
+extern struct ssb_bus ssb;
+
+
 void plat_irq_dispatch(void)
 {
        u32 cause;
@@ -61,3 +68,19 @@ void __init arch_init_irq(void)
 {
        mips_cpu_irq_init();
 }
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+       int res;
+
+       res = ssb_pcibios_map_irq(dev, slot, pin);
+       if (res < 0) {
+               printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+                      pci_name((struct pci_dev *)dev));
+               return 0;
+       }
+       /* IRQ-0 and IRQ-1 are software interrupts. */
+       WARN_ON((res == 0) || (res == 1));
+
+       return res;
+}