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 | ||
b382b940 JM |
11 | #include <linux/types.h> |
12 | ||
1da177e4 | 13 | #ifndef __ASSEMBLY__ |
16d6d5b0 | 14 | #include <linux/reboot.h> |
1da177e4 LT |
15 | |
16 | struct tag; | |
17 | struct meminfo; | |
1a1f2be2 | 18 | struct pt_regs; |
abcee5fb MZ |
19 | struct smp_operations; |
20 | #ifdef CONFIG_SMP | |
21 | #define smp_ops(ops) (&(ops)) | |
b382b940 | 22 | #define smp_init_ops(ops) (&(ops)) |
abcee5fb MZ |
23 | #else |
24 | #define smp_ops(ops) (struct smp_operations *)NULL | |
b382b940 | 25 | #define smp_init_ops(ops) (bool (*)(void))NULL |
abcee5fb | 26 | #endif |
1da177e4 LT |
27 | |
28 | struct machine_desc { | |
1da177e4 | 29 | unsigned int nr; /* architecture number */ |
1da177e4 | 30 | const char *name; /* architecture name */ |
2bb9839e | 31 | unsigned long atag_offset; /* tagged list (relative) */ |
7b482c83 | 32 | const char *const *dt_compat; /* array of device tree |
93c02ab4 | 33 | * 'compatible' strings */ |
1da177e4 | 34 | |
d71e3eb5 NP |
35 | unsigned int nr_irqs; /* number of IRQs */ |
36 | ||
4fddcaeb NP |
37 | #ifdef CONFIG_ZONE_DMA |
38 | unsigned long dma_zone_size; /* size of DMA-able area */ | |
39 | #endif | |
40 | ||
1da177e4 LT |
41 | unsigned int video_start; /* start of video RAM */ |
42 | unsigned int video_end; /* end of video RAM */ | |
43 | ||
b44c350d RK |
44 | unsigned char reserve_lp0 :1; /* never has lp0 */ |
45 | unsigned char reserve_lp1 :1; /* never has lp1 */ | |
46 | unsigned char reserve_lp2 :1; /* never has lp2 */ | |
16d6d5b0 | 47 | enum reboot_mode reboot_mode; /* default restart mode */ |
abcee5fb | 48 | struct smp_operations *smp; /* SMP operations */ |
b382b940 | 49 | bool (*smp_init)(void); |
0744a3ee | 50 | void (*fixup)(struct tag *, char **, |
1da177e4 | 51 | struct meminfo *); |
98c672cf | 52 | void (*reserve)(void);/* reserve mem blocks */ |
1da177e4 | 53 | void (*map_io)(void);/* IO mapping function */ |
dec12e62 | 54 | void (*init_early)(void); |
1da177e4 | 55 | void (*init_irq)(void); |
6bb27d73 | 56 | void (*init_time)(void); |
1da177e4 | 57 | void (*init_machine)(void); |
90de4137 | 58 | void (*init_late)(void); |
52108641 | 59 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
60 | void (*handle_irq)(struct pt_regs *); | |
61 | #endif | |
7b6d864b | 62 | void (*restart)(enum reboot_mode, const char *); |
1da177e4 LT |
63 | }; |
64 | ||
8ff1443c RK |
65 | /* |
66 | * Current machine - only accessible during boot. | |
67 | */ | |
68 | extern struct machine_desc *machine_desc; | |
69 | ||
6291319d GL |
70 | /* |
71 | * Machine type table - also only accessible during boot | |
72 | */ | |
73 | extern struct machine_desc __arch_info_begin[], __arch_info_end[]; | |
74 | #define for_each_machine_desc(p) \ | |
75 | for (p = __arch_info_begin; p < __arch_info_end; p++) | |
76 | ||
1da177e4 LT |
77 | /* |
78 | * Set of macros to define architecture features. This is built into | |
79 | * a table by the linker. | |
80 | */ | |
f339ab3d RK |
81 | #define MACHINE_START(_type,_name) \ |
82 | static const struct machine_desc __mach_desc_##_type \ | |
b91d8a12 | 83 | __used \ |
9d0fd1eb | 84 | __attribute__((__section__(".arch.info.init"))) = { \ |
f339ab3d | 85 | .nr = MACH_TYPE_##_type, \ |
1da177e4 LT |
86 | .name = _name, |
87 | ||
1da177e4 LT |
88 | #define MACHINE_END \ |
89 | }; | |
90 | ||
85cad1b0 GL |
91 | #define DT_MACHINE_START(_name, _namestr) \ |
92 | static const struct machine_desc __mach_desc_##_name \ | |
93 | __used \ | |
94 | __attribute__((__section__(".arch.info.init"))) = { \ | |
95 | .nr = ~0, \ | |
96 | .name = _namestr, | |
97 | ||
1da177e4 | 98 | #endif |