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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sh/drivers/pci/fixups-snapgear.c
Initial import
Diffstat (limited to 'arch/sh/drivers/pci/fixups-snapgear.c')
-rw-r--r--arch/sh/drivers/pci/fixups-snapgear.c39
1 files changed, 39 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 000000000..6e33ba4cd
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-snapgear.c
@@ -0,0 +1,39 @@
+/*
+ * 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 <linux/sh_intc.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 = evt2irq(0x300); break; /* USB */
+ case 12: irq = evt2irq(0x360); break; /* PCMCIA */
+ case 13: irq = evt2irq(0x2a0); break; /* eth0 */
+ case 14: irq = evt2irq(0x300); break; /* eth1 */
+ case 15: irq = evt2irq(0x360); break; /* safenet (unused) */
+ }
+
+ printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
+ slot, pin - 1 + 'A', irq);
+
+ return irq;
+}