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-rw-r--r--arch/sh/boards/sh2000/setup.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/sh/boards/sh2000/setup.c b/arch/sh/boards/sh2000/setup.c
new file mode 100644
index 000000000000..a290b1d09fb2
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+++ b/arch/sh/boards/sh2000/setup.c
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1/*
2 * linux/arch/sh/kernel/setup_sh2000.c
3 *
4 * Copyright (C) 2001 SUGIOKA Tochinobu
5 *
6 * SH-2000 Support.
7 *
8 */
9
10#include <linux/config.h>
11#include <linux/init.h>
12#include <linux/irq.h>
13
14#include <asm/io.h>
15#include <asm/machvec.h>
16#include <asm/mach/sh2000.h>
17
18#define CF_CIS_BASE 0xb4200000
19
20#define PORT_PECR 0xa4000108
21#define PORT_PHCR 0xa400010E
22#define PORT_ICR1 0xa4000010
23#define PORT_IRR0 0xa4000004
24
25#define IDE_OFFSET 0xb6200000
26#define NIC_OFFSET 0xb6000000
27#define EXTBUS_OFFSET 0xba000000
28
29
30const char *get_system_type(void)
31{
32 return "sh2000";
33}
34
35static unsigned long sh2000_isa_port2addr(unsigned long offset)
36{
37 if((offset & ~7) == 0x1f0 || offset == 0x3f6)
38 return IDE_OFFSET + offset;
39 else if((offset & ~0x1f) == 0x300)
40 return NIC_OFFSET + offset;
41 return EXTBUS_OFFSET + offset;
42}
43
44/*
45 * The Machine Vector
46 */
47struct sh_machine_vector mv_sh2000 __initmv = {
48 .mv_nr_irqs = 80,
49 .mv_isa_port2addr = sh2000_isa_port2addr,
50};
51ALIAS_MV(sh2000)
52
53/*
54 * Initialize the board
55 */
56int __init platform_setup(void)
57{
58 /* XXX: RTC setting comes here */
59
60 /* These should be done by BIOS/IPL ... */
61 /* Enable nCE2A, nCE2B output */
62 ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR);
63 /* Enable the Compact Flash card, and set the level interrupt */
64 ctrl_outw(0x0042, CF_CIS_BASE+0x0200);
65 /* Enable interrupt */
66 ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR);
67 ctrl_outw(1, PORT_ICR1);
68 ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0);
69 printk(KERN_INFO "SH-2000 Setup...done\n");
70 return 0;
71}