This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / sh / drivers / pci / fixups-sh03.c

diff --git a/arch/sh/drivers/pci/fixups-sh03.c b/arch/sh/drivers/pci/fixups-sh03.c
new file mode 100644 (file)
index 0000000..5db5cb9
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-sh03.c
@@ -0,0 +1,61 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+/*
+ *     IRQ functions
+ */
+
+int __init pcibios_map_platform_irq(u8 slot, u8 pin, struct pci_dev *dev)
+{
+       int irq;
+
+       if (dev->bus->number == 0) {
+               switch (slot) {
+               case 4: return 5;       /* eth0       */
+               case 8: return 5;       /* eth1       */
+               case 6: return 2;       /* PCI bridge */
+               default:
+                       printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
+                       return 2;
+               }
+       } else {
+               switch (pin) {
+               case 0:   irq =  2; break;
+               case 1:   irq =  2; break;
+               case 2:   irq =  2; break;
+               case 3:   irq =  2; break;
+               case 4:   irq =  2; break;
+               default:  irq = -1; break;
+               }
+       }
+       return irq;
+}
+
+static u8 __init sh03_no_swizzle(struct pci_dev *dev, u8 *pin)
+{
+       /* no swizzling */
+       return PCI_SLOT(dev->devfn);
+}
+
+static int sh03_pci_lookup_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+       int irq = -1;
+
+       /* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */
+       irq = pcibios_map_platform_irq(slot, pin, dev);
+       if( irq < 0 ) {
+               pr_debug("PCI: Error mapping IRQ on device %s\n", dev->slot_name);
+               return irq;
+       }
+
+       pr_debug("Setting IRQ for slot %s to %d\n", dev->slot_name, irq);
+
+       return irq;
+}
+
+void __init pcibios_fixup_irqs(void)
+{
+       pci_fixup_irqs(sh03_no_swizzle, sh03_pci_lookup_irq);
+}