1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7721/irq.c b/arch/sh/boards/mach-se/7721/irq.c
new file mode 100644
index 000000000..e6ef2a265
--- /dev/null
+++ b/arch/sh/boards/mach-se/7721/irq.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/sh/boards/se/7721/irq.c
+ *
+ * Copyright (C) 2008  Renesas Solutions Corp.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <mach-se/mach/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 */
+	__raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118);
+
+	register_intc_controller(&intc_desc);
+	intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
+}