1 files changed, 38 insertions, 0 deletions

diff --git a/arch/sh/drivers/pci/fixups-snapgear.c b/arch/sh/drivers/pci/fixups-snapgear.c
new file mode 100644
index 000000000000..5a39ecc1adb8
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-snapgear.c
@@ -0,0 +1,38 @@
+/*
+ * arch/sh/drivers/pci/ops-snapgear.c
+ *
+ * Author:  David McCullough <davidm@snapgear.com>
+ *
+ * Ported to new API by Paul Mundt <lethal@linux-sh.org>
+ *
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * PCI initialization for the SnapGear boards
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include "pci-sh4.h"
+
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+        int irq = -1;
+
+        switch (slot) {
+        case 8:  /* the PCI bridge */ break;
+        case 11: irq = 8;  break; /* USB    */
+        case 12: irq = 11; break; /* PCMCIA */
+        case 13: irq = 5;  break; /* eth0   */
+        case 14: irq = 8;  break; /* eth1   */
+        case 15: irq = 11; break; /* safenet (unused) */
+        }
+
+        printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
+               slot, pin - 1 + 'A', irq);
+
+        return irq;
+}