1/*
2 * linux/arch/sh/boards/se/7721/irq.c
3 *
4 * Copyright (C) 2008  Renesas Solutions Corp.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License.  See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10#include <linux/init.h>
11#include <linux/irq.h>
12#include <linux/interrupt.h>
13#include <linux/io.h>
14#include <mach-se/mach/se7721.h>
15
16enum {
17	UNUSED = 0,
18
19	/* board specific interrupt sources */
20	MRSHPC,
21};
22
23static struct intc_vect vectors[] __initdata = {
24	INTC_IRQ(MRSHPC, MRSHPC_IRQ0),
25};
26
27static struct intc_prio_reg prio_registers[] __initdata = {
28	{ FPGA_ILSR6, 0, 8, 4, /* IRLMSK */
29	  { 0, MRSHPC } },
30};
31
32static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors,
33			 NULL, NULL, prio_registers, NULL);
34
35/*
36 * Initialize IRQ setting
37 */
38void __init init_se7721_IRQ(void)
39{
40	/* PPCR */
41	__raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118);
42
43	register_intc_controller(&intc_desc);
44	intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
45}
46