1/*
2 * linux/arch/sh/boards/se/7300/irq.c
3 *
4 * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
5 *
6 * SH-Mobile SolutionEngine 7300 Support.
7 *
8 */
9
10#include <linux/init.h>
11#include <linux/irq.h>
12#include <asm/irq.h>
13#include <asm/io.h>
14#include <asm/se7300.h>
15
16static struct ipr_data se7300_ipr_map[] = {
17	/* PC_IRQ[0-3] -> IRQ0 (32) */
18	{ IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, 0x0f - IRQ0_IRQ },
19	/* A_IRQ[0-3] -> IRQ1 (33) */
20	{ IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, 0x0f - IRQ1_IRQ },
21	{ SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
22	{ DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
23	{ DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
24	{ VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
25};
26
27/*
28 * Initialize IRQ setting
29 */
30void __init
31init_7300se_IRQ(void)
32{
33	ctrl_outw(0x0028, PA_EPLD_MODESET);	/* mode set IRQ0,1 active low. */
34	ctrl_outw(0xa000, INTC_ICR1);	        /* IRQ mode; IRQ0,1 enable.    */
35	ctrl_outw(0x0000, PORT_PFCR);	        /* use F for IRQ[3:0] and SIU. */
36
37	make_ipr_irq(se7300_ipr_map, ARRAY_SIZE(se7300_ipr_map));
38
39	ctrl_outw(0x2000, PA_MRSHPC + 0x0c);	/* mrshpc irq enable */
40}
41