Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
[linux-2.6] / arch / sh / boards / shmin / setup.c
1 /*
2  * arch/sh/boards/shmin/setup.c
3  *
4  * Copyright (C) 2006 Takashi YOSHII
5  *
6  * SHMIN Support.
7  */
8 #include <linux/init.h>
9 #include <asm/machvec.h>
10 #include <asm/shmin.h>
11 #include <asm/clock.h>
12 #include <asm/irq.h>
13 #include <asm/io.h>
14
15 #define PFC_PHCR        0xa400010eUL
16 #define INTC_ICR1       0xa4000010UL
17 #define INTC_IPRC       0xa4000016UL
18
19 static struct ipr_data shmin_ipr_map[] = {
20         { .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 },
21         { .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 },
22         { .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 },
23         { .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 },
24 };
25
26 static void __init init_shmin_irq(void)
27 {
28         ctrl_outw(0x2a00, PFC_PHCR);    // IRQ0-3=IRQ
29         ctrl_outw(0x0aaa, INTC_ICR1);   // IRQ0-3=IRQ-mode,Low-active.
30         make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map));
31 }
32
33 static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
34 {
35         static int dummy;
36
37         if ((port & ~0x1f) == SHMIN_NE_BASE)
38                 return (void __iomem *)(SHMIN_IO_BASE + port);
39
40         dummy = 0;
41
42         return &dummy;
43
44 }
45
46 struct sh_machine_vector mv_shmin __initmv = {
47         .mv_name        = "SHMIN",
48         .mv_init_irq    = init_shmin_irq,
49         .mv_ioport_map  = shmin_ioport_map,
50 };
51 ALIAS_MV(shmin)