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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* arch/sh/boards/se/73180/irq.c
*
* Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
* Based on arch/sh/boards/se/7300/irq.c
*
* Modified for SH-Mobile SolutionEngine 73180 Support
* by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp>
*
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/mach/se73180.h>
static int
irq2intreq(int irq)
{
if (irq == 10)
return 5;
return 7 - (irq - 32);
}
static void
disable_intreq_irq(unsigned int irq)
{
ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSK0);
}
static void
enable_intreq_irq(unsigned int irq)
{
ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSKCLR0);
}
static void
mask_and_ack_intreq_irq(unsigned int irq)
{
disable_intreq_irq(irq);
}
static unsigned int
startup_intreq_irq(unsigned int irq)
{
enable_intreq_irq(irq);
return 0;
}
static void
shutdown_intreq_irq(unsigned int irq)
{
disable_intreq_irq(irq);
}
static void
end_intreq_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
enable_intreq_irq(irq);
}
static struct hw_interrupt_type intreq_irq_type = {
.typename = "intreq",
.startup = startup_intreq_irq,
.shutdown = shutdown_intreq_irq,
.enable = enable_intreq_irq,
.disable = disable_intreq_irq,
.ack = mask_and_ack_intreq_irq,
.end = end_intreq_irq
};
void
make_intreq_irq(unsigned int irq)
{
disable_irq_nosync(irq);
irq_desc[irq].chip = &intreq_irq_type;
disable_intreq_irq(irq);
}
int
shmse_irq_demux(int irq)
{
if (irq == IRQ5_IRQ)
return 10;
return irq;
}
/*
* Initialize IRQ setting
*/
void __init
init_73180se_IRQ(void)
{
make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */
ctrl_outw(0x2000, 0xb07fffec); /* mrshpc irq enable */
ctrl_outl(3 << ((7 - 5) * 4), INTC_INTPRI0); /* irq5 pri=3 */
ctrl_outw(2 << ((7 - 5) * 2), INTC_ICR1); /* low-level irq */
make_intreq_irq(10);
make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8);
ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */
make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
IIC0_PRIORITY);
make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
IIC0_PRIORITY);
make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY);
/* VIO interrupt */
make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY);
ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */
}
|
