1// SPDX-License-Identifier: GPL-2.0
2/*
3 * linux/arch/sh/boards/se/7721/irq.c
4 *
5 * Copyright (C) 2008  Renesas Solutions Corp.
6 */
7#include <linux/init.h>
8#include <linux/irq.h>
9#include <linux/interrupt.h>
10#include <linux/io.h>
11#include <mach-se/mach/se7721.h>
12
13enum {
14	UNUSED = 0,
15
16	/* board specific interrupt sources */
17	MRSHPC,
18};
19
20static struct intc_vect vectors[] __initdata = {
21	INTC_IRQ(MRSHPC, MRSHPC_IRQ0),
22};
23
24static struct intc_prio_reg prio_registers[] __initdata = {
25	{ FPGA_ILSR6, 0, 8, 4, /* IRLMSK */
26	  { 0, MRSHPC } },
27};
28
29static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors,
30			 NULL, NULL, prio_registers, NULL);
31
32/*
33 * Initialize IRQ setting
34 */
35void __init init_se7721_IRQ(void)
36{
37	/* PPCR */
38	__raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118);
39
40	register_intc_controller(&intc_desc);
41	intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
42}
43