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1da177e4 LT |
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 | ||
13 | struct tag; | |
14 | struct meminfo; | |
15 | struct sys_timer; | |
16 | ||
17 | struct machine_desc { | |
18 | /* | |
a61ea932 | 19 | * Note! The first four elements are used |
1da177e4 LT |
20 | * by assembler code in head-armv.S |
21 | */ | |
22 | unsigned int nr; /* architecture number */ | |
1da177e4 LT |
23 | unsigned int phys_io; /* start of physical io */ |
24 | unsigned int io_pg_offst; /* byte offset for io | |
25 | * page tabe entry */ | |
26 | ||
27 | const char *name; /* architecture name */ | |
f9bd6ea4 | 28 | unsigned long boot_params; /* tagged list */ |
1da177e4 LT |
29 | |
30 | unsigned int video_start; /* start of video RAM */ | |
31 | unsigned int video_end; /* end of video RAM */ | |
32 | ||
33 | unsigned int reserve_lp0 :1; /* never has lp0 */ | |
34 | unsigned int reserve_lp1 :1; /* never has lp1 */ | |
35 | unsigned int reserve_lp2 :1; /* never has lp2 */ | |
36 | unsigned int soft_reboot :1; /* soft reboot */ | |
37 | void (*fixup)(struct machine_desc *, | |
38 | struct tag *, char **, | |
39 | struct meminfo *); | |
40 | void (*map_io)(void);/* IO mapping function */ | |
41 | void (*init_irq)(void); | |
42 | struct sys_timer *timer; /* system tick timer */ | |
43 | void (*init_machine)(void); | |
44 | }; | |
45 | ||
46 | /* | |
47 | * Set of macros to define architecture features. This is built into | |
48 | * a table by the linker. | |
49 | */ | |
f339ab3d RK |
50 | #define MACHINE_START(_type,_name) \ |
51 | static const struct machine_desc __mach_desc_##_type \ | |
fb31690f | 52 | __attribute_used__ \ |
9d0fd1eb | 53 | __attribute__((__section__(".arch.info.init"))) = { \ |
f339ab3d | 54 | .nr = MACH_TYPE_##_type, \ |
1da177e4 LT |
55 | .name = _name, |
56 | ||
1da177e4 LT |
57 | #define MACHINE_END \ |
58 | }; | |
59 | ||
60 | #endif |