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-rw-r--r--arch/sh/boards/se/7721/irq.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/boards/se/7721/irq.c b/arch/sh/boards/se/7721/irq.c
new file mode 100644
index 00000000000..c4fdd622bf8
--- /dev/null
+++ b/arch/sh/boards/se/7721/irq.c
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/sh/boards/se/7721/irq.c
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <asm/se7721.h>
+
+enum {
+ UNUSED = 0,
+
+ /* board specific interrupt sources */
+ MRSHPC,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(MRSHPC, MRSHPC_IRQ0),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */
+ { 0, MRSHPC } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors,
+ NULL, NULL, prio_registers, NULL);
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7721_IRQ(void)
+{
+ /* PPCR */
+ ctrl_outw(ctrl_inw(0xa4050118) & ~0x00ff, 0xa4050118);
+
+ register_intc_controller(&intc_desc);
+ intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
+}