diff options
Diffstat (limited to 'arch/sh/boards/shmin/setup.c')
-rw-r--r-- | arch/sh/boards/shmin/setup.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c new file mode 100644 index 000000000000..2f0c19706cf9 --- /dev/null +++ b/arch/sh/boards/shmin/setup.c | |||
@@ -0,0 +1,41 @@ | |||
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/shmin.h> | ||
11 | #include <asm/clock.h> | ||
12 | #include <asm/irq.h> | ||
13 | #include <asm/io.h> | ||
14 | |||
15 | #define PFC_PHCR 0xa400010e | ||
16 | |||
17 | static void __init init_shmin_irq(void) | ||
18 | { | ||
19 | ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ | ||
20 | ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. | ||
21 | } | ||
22 | |||
23 | static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) | ||
24 | { | ||
25 | static int dummy; | ||
26 | |||
27 | if ((port & ~0x1f) == SHMIN_NE_BASE) | ||
28 | return (void __iomem *)(SHMIN_IO_BASE + port); | ||
29 | |||
30 | dummy = 0; | ||
31 | |||
32 | return &dummy; | ||
33 | |||
34 | } | ||
35 | |||
36 | struct sh_machine_vector mv_shmin __initmv = { | ||
37 | .mv_name = "SHMIN", | ||
38 | .mv_init_irq = init_shmin_irq, | ||
39 | .mv_ioport_map = shmin_ioport_map, | ||
40 | }; | ||
41 | ALIAS_MV(shmin) | ||