1 files changed, 34 insertions, 0 deletions

diff --git a/arch/sh/drivers/pci/fixups-landisk.c b/arch/sh/drivers/pci/fixups-landisk.c
new file mode 100644
index 000000000000..bb1a6bb5149e
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-landisk.c
@@ -0,0 +1,34 @@
+/*
+ * arch/sh/drivers/pci/ops-landisk.c
+ *
+ * PCI initialization for the I-O DATA Device, Inc. LANDISK board
+ *
+ * Copyright (C) 2006 kogiidena
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include "pci-sh4.h"
+
+int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+        /*
+         * slot0: pin1-4 = irq5,6,7,8
+         * slot1: pin1-4 = irq6,7,8,5
+         * slot2: pin1-4 = irq7,8,5,6
+         * slot3: pin1-4 = irq8,5,6,7
+         */
+        int irq = ((slot + pin - 1) & 0x3) + 5;
+
+        if ((slot | (pin - 1)) > 0x3) {
+                printk("PCI: Bad IRQ mapping request for slot %d pin %c\n",
+                       slot, pin - 1 + 'A');
+                return -1;
+        }
+        return irq;
+}