1 files changed, 62 insertions, 0 deletions

diff --git a/arch/arm/mach-footbridge/netwinder-pci.c b/arch/arm/mach-footbridge/netwinder-pci.c
new file mode 100644
index 000000000000..e263d6d54a0f
--- /dev/null
+++ b/arch/arm/mach-footbridge/netwinder-pci.c
@@ -0,0 +1,62 @@
+/*
+ * linux/arch/arm/mach-footbridge/netwinder-pci.c
+ *
+ * PCI bios-type initialisation for PCI machines
+ *
+ * Bits taken from various places.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+/*
+ * We now use the slot ID instead of the device identifiers to select
+ * which interrupt is routed where.
+ */
+static int __init netwinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        switch (slot) {
+        case 0:  /* host bridge */
+                return 0;
+
+        case 9:  /* CyberPro */
+                return IRQ_NETWINDER_VGA;
+
+        case 10: /* DC21143 */
+                return IRQ_NETWINDER_ETHER100;
+
+        case 12: /* Winbond 553 */
+                return IRQ_ISA_HARDDISK1;
+
+        case 13: /* Winbond 89C940F */
+                return IRQ_NETWINDER_ETHER10;
+
+        default:
+                printk(KERN_ERR "PCI: unknown device in slot %s\n",
+                        pci_name(dev));
+                return 0;
+        }
+}
+
+static struct hw_pci netwinder_pci __initdata = {
+        .swizzle                = pci_std_swizzle,
+        .map_irq                = netwinder_map_irq,
+        .nr_controllers         = 1,
+        .setup                  = dc21285_setup,
+        .scan                   = dc21285_scan_bus,
+        .preinit                = dc21285_preinit,
+        .postinit               = dc21285_postinit,
+};
+
+static int __init netwinder_pci_init(void)
+{
+        if (machine_is_netwinder())
+                pci_common_init(&netwinder_pci);
+        return 0;
+}
+
+subsys_initcall(netwinder_pci_init);