Commit | Line | Data |
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1da177e4 | 1 | /* |
4baa9922 | 2 | * arch/arm/include/asm/mach/arch.h |
1da177e4 LT |
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 { | |
1da177e4 | 18 | unsigned int nr; /* architecture number */ |
1da177e4 | 19 | const char *name; /* architecture name */ |
f9bd6ea4 | 20 | unsigned long boot_params; /* tagged list */ |
93c02ab4 GL |
21 | const char **dt_compat; /* array of device tree |
22 | * 'compatible' strings */ | |
1da177e4 | 23 | |
d71e3eb5 NP |
24 | unsigned int nr_irqs; /* number of IRQs */ |
25 | ||
4fddcaeb NP |
26 | #ifdef CONFIG_ZONE_DMA |
27 | unsigned long dma_zone_size; /* size of DMA-able area */ | |
28 | #endif | |
29 | ||
1da177e4 LT |
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 *); | |
98c672cf | 40 | void (*reserve)(void);/* reserve mem blocks */ |
1da177e4 | 41 | void (*map_io)(void);/* IO mapping function */ |
dec12e62 | 42 | void (*init_early)(void); |
1da177e4 LT |
43 | void (*init_irq)(void); |
44 | struct sys_timer *timer; /* system tick timer */ | |
45 | void (*init_machine)(void); | |
52108641 | 46 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
47 | void (*handle_irq)(struct pt_regs *); | |
48 | #endif | |
1da177e4 LT |
49 | }; |
50 | ||
8ff1443c RK |
51 | /* |
52 | * Current machine - only accessible during boot. | |
53 | */ | |
54 | extern struct machine_desc *machine_desc; | |
55 | ||
6291319d GL |
56 | /* |
57 | * Machine type table - also only accessible during boot | |
58 | */ | |
59 | extern struct machine_desc __arch_info_begin[], __arch_info_end[]; | |
60 | #define for_each_machine_desc(p) \ | |
61 | for (p = __arch_info_begin; p < __arch_info_end; p++) | |
62 | ||
1da177e4 LT |
63 | /* |
64 | * Set of macros to define architecture features. This is built into | |
65 | * a table by the linker. | |
66 | */ | |
f339ab3d RK |
67 | #define MACHINE_START(_type,_name) \ |
68 | static const struct machine_desc __mach_desc_##_type \ | |
b91d8a12 | 69 | __used \ |
9d0fd1eb | 70 | __attribute__((__section__(".arch.info.init"))) = { \ |
f339ab3d | 71 | .nr = MACH_TYPE_##_type, \ |
1da177e4 LT |
72 | .name = _name, |
73 | ||
1da177e4 LT |
74 | #define MACHINE_END \ |
75 | }; | |
76 | ||
85cad1b0 GL |
77 | #define DT_MACHINE_START(_name, _namestr) \ |
78 | static const struct machine_desc __mach_desc_##_name \ | |
79 | __used \ | |
80 | __attribute__((__section__(".arch.info.init"))) = { \ | |
81 | .nr = ~0, \ | |
82 | .name = _namestr, | |
83 | ||
1da177e4 | 84 | #endif |