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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/sh/drivers/pci/fixups-snapgear.c
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/sh/drivers/pci/fixups-snapgear.c')
-rw-r--r--arch/sh/drivers/pci/fixups-snapgear.c38
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 00000000..4a093c64
--- /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(const 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;
+}