Commit | Line | Data |
---|---|---|
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; | |
1a1f2be2 | 16 | struct pt_regs; |
abcee5fb MZ |
17 | struct smp_operations; |
18 | #ifdef CONFIG_SMP | |
19 | #define smp_ops(ops) (&(ops)) | |
20 | #else | |
21 | #define smp_ops(ops) (struct smp_operations *)NULL | |
22 | #endif | |
1da177e4 LT |
23 | |
24 | struct machine_desc { | |
1da177e4 | 25 | unsigned int nr; /* architecture number */ |
1da177e4 | 26 | const char *name; /* architecture name */ |
2bb9839e | 27 | unsigned long atag_offset; /* tagged list (relative) */ |
7b482c83 | 28 | const char *const *dt_compat; /* array of device tree |
93c02ab4 | 29 | * 'compatible' strings */ |
1da177e4 | 30 | |
d71e3eb5 NP |
31 | unsigned int nr_irqs; /* number of IRQs */ |
32 | ||
4fddcaeb NP |
33 | #ifdef CONFIG_ZONE_DMA |
34 | unsigned long dma_zone_size; /* size of DMA-able area */ | |
35 | #endif | |
36 | ||
1da177e4 LT |
37 | unsigned int video_start; /* start of video RAM */ |
38 | unsigned int video_end; /* end of video RAM */ | |
39 | ||
b44c350d RK |
40 | unsigned char reserve_lp0 :1; /* never has lp0 */ |
41 | unsigned char reserve_lp1 :1; /* never has lp1 */ | |
42 | unsigned char reserve_lp2 :1; /* never has lp2 */ | |
43 | char restart_mode; /* default restart mode */ | |
abcee5fb | 44 | struct smp_operations *smp; /* SMP operations */ |
0744a3ee | 45 | void (*fixup)(struct tag *, char **, |
1da177e4 | 46 | struct meminfo *); |
98c672cf | 47 | void (*reserve)(void);/* reserve mem blocks */ |
1da177e4 | 48 | void (*map_io)(void);/* IO mapping function */ |
dec12e62 | 49 | void (*init_early)(void); |
1da177e4 LT |
50 | void (*init_irq)(void); |
51 | struct sys_timer *timer; /* system tick timer */ | |
52 | void (*init_machine)(void); | |
90de4137 | 53 | void (*init_late)(void); |
52108641 | 54 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
55 | void (*handle_irq)(struct pt_regs *); | |
56 | #endif | |
a528721d | 57 | void (*restart)(char, const char *); |
1da177e4 LT |
58 | }; |
59 | ||
8ff1443c RK |
60 | /* |
61 | * Current machine - only accessible during boot. | |
62 | */ | |
63 | extern struct machine_desc *machine_desc; | |
64 | ||
6291319d GL |
65 | /* |
66 | * Machine type table - also only accessible during boot | |
67 | */ | |
68 | extern struct machine_desc __arch_info_begin[], __arch_info_end[]; | |
69 | #define for_each_machine_desc(p) \ | |
70 | for (p = __arch_info_begin; p < __arch_info_end; p++) | |
71 | ||
1da177e4 LT |
72 | /* |
73 | * Set of macros to define architecture features. This is built into | |
74 | * a table by the linker. | |
75 | */ | |
f339ab3d RK |
76 | #define MACHINE_START(_type,_name) \ |
77 | static const struct machine_desc __mach_desc_##_type \ | |
b91d8a12 | 78 | __used \ |
9d0fd1eb | 79 | __attribute__((__section__(".arch.info.init"))) = { \ |
f339ab3d | 80 | .nr = MACH_TYPE_##_type, \ |
1da177e4 LT |
81 | .name = _name, |
82 | ||
1da177e4 LT |
83 | #define MACHINE_END \ |
84 | }; | |
85 | ||
85cad1b0 GL |
86 | #define DT_MACHINE_START(_name, _namestr) \ |
87 | static const struct machine_desc __mach_desc_##_name \ | |
88 | __used \ | |
89 | __attribute__((__section__(".arch.info.init"))) = { \ | |
90 | .nr = ~0, \ | |
91 | .name = _namestr, | |
92 | ||
1da177e4 | 93 | #endif |