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-rw-r--r--arch/sh/drivers/pci/fixups-titan.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/fixups-titan.c b/arch/sh/drivers/pci/fixups-titan.c
new file mode 100644
index 000000000..b5bb65caa
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-titan.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * arch/sh/drivers/pci/ops-titan.c
+ *
+ * Ported to new API by Paul Mundt <lethal@linux-sh.org>
+ *
+ * Modified from ops-snapgear.c written by David McCullough
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * PCI initialization for the Titan boards
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <mach/titan.h>
+#include "pci-sh4.h"
+
+static char titan_irq_tab[] = {
+ TITAN_IRQ_WAN,
+ TITAN_IRQ_LAN,
+ TITAN_IRQ_MPCIA,
+ TITAN_IRQ_MPCIB,
+ TITAN_IRQ_USB,
+};
+
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+{
+ int irq = titan_irq_tab[slot];
+
+ printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
+ slot, pin - 1 + 'A', irq);
+
+ return irq;
+}