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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/*
2 * linux/include/asm-arm/mach/arch.h
3 *
4 * Copyright (C) 2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __ASSEMBLY__
12
13struct tag;
14struct meminfo;
15struct sys_timer;
16
17struct machine_desc {
18 /*
19 * Note! The first five elements are used
20 * by assembler code in head-armv.S
21 */
22 unsigned int nr; /* architecture number */
23 unsigned int phys_ram; /* start of physical ram */
24 unsigned int phys_io; /* start of physical io */
25 unsigned int io_pg_offst; /* byte offset for io
26 * page tabe entry */
27
28 const char *name; /* architecture name */
29 unsigned int param_offset; /* parameter page */
30
31 unsigned int video_start; /* start of video RAM */
32 unsigned int video_end; /* end of video RAM */
33
34 unsigned int reserve_lp0 :1; /* never has lp0 */
35 unsigned int reserve_lp1 :1; /* never has lp1 */
36 unsigned int reserve_lp2 :1; /* never has lp2 */
37 unsigned int soft_reboot :1; /* soft reboot */
38 void (*fixup)(struct machine_desc *,
39 struct tag *, char **,
40 struct meminfo *);
41 void (*map_io)(void);/* IO mapping function */
42 void (*init_irq)(void);
43 struct sys_timer *timer; /* system tick timer */
44 void (*init_machine)(void);
45};
46
47/*
48 * Set of macros to define architecture features. This is built into
49 * a table by the linker.
50 */
51#define MACHINE_START(_type,_name) \
52const struct machine_desc __mach_desc_##_type \
53 __attribute__((__section__(".arch.info"))) = { \
54 .nr = MACH_TYPE_##_type, \
55 .name = _name,
56
57#define MAINTAINER(n)
58
59#define BOOT_MEM(_pram,_pio,_vio) \
60 .phys_ram = _pram, \
61 .phys_io = _pio, \
62 .io_pg_offst = ((_vio)>>18)&0xfffc,
63
64#define BOOT_PARAMS(_params) \
65 .param_offset = _params,
66
67#define VIDEO(_start,_end) \
68 .video_start = _start, \
69 .video_end = _end,
70
71#define DISABLE_PARPORT(_n) \
72 .reserve_lp##_n = 1,
73
74#define SOFT_REBOOT \
75 .soft_reboot = 1,
76
77#define FIXUP(_func) \
78 .fixup = _func,
79
80#define MAPIO(_func) \
81 .map_io = _func,
82
83#define INITIRQ(_func) \
84 .init_irq = _func,
85
86#define INIT_MACHINE(_func) \
87 .init_machine = _func,
88
89#define MACHINE_END \
90};
91
92#endif