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