From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/sh/boards/mach-se/7721/irq.c | 45 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 arch/sh/boards/mach-se/7721/irq.c

(limited to 'arch/sh/boards/mach-se/7721/irq.c')

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 00000000..d85022ea
--- /dev/null
+++ b/arch/sh/boards/mach-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 <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);
+}
-- 
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