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-rw-r--r--arch/sh/boards/shmin/setup.c41
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
17static 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
23static 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
36struct 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};
41ALIAS_MV(shmin)