| | 1 | /* |
| | 2 | * arch/arm/include/asm/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 | unsigned int nr; /* architecture number */ |
| | 19 | const char *name; /* architecture name */ |
| | 20 | unsigned long boot_params; /* tagged list */ |
| | 21 | |
| | 22 | unsigned int nr_irqs; /* number of IRQs */ |
| | 23 | |
| | 24 | unsigned int video_start; /* start of video RAM */ |
| | 25 | unsigned int video_end; /* end of video RAM */ |
| | 26 | |
| | 27 | unsigned int reserve_lp0 :1; /* never has lp0 */ |
| | 28 | unsigned int reserve_lp1 :1; /* never has lp1 */ |
| | 29 | unsigned int reserve_lp2 :1; /* never has lp2 */ |
| | 30 | unsigned int soft_reboot :1; /* soft reboot */ |
| | 31 | void (*fixup)(struct machine_desc *, |
| | 32 | struct tag *, char **, |
| | 33 | struct meminfo *); |
| | 34 | void (*reserve)(void);/* reserve mem blocks */ |
| | 35 | void (*map_io)(void);/* IO mapping function */ |
| | 36 | void (*init_early)(void); |
| | 37 | void (*init_irq)(void); |
| | 38 | struct sys_timer *timer; /* system tick timer */ |
| | 39 | void (*init_machine)(void); |
| | 40 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
| | 41 | void (*handle_irq)(struct pt_regs *); |
| | 42 | #endif |
| | 43 | }; |
| | 44 | |
| | 45 | /* |
| | 46 | * Current machine - only accessible during boot. |
| | 47 | */ |
| | 48 | extern struct machine_desc *machine_desc; |
| | 49 | |
| | 50 | /* |
| | 51 | * Machine type table - also only accessible during boot |
| | 52 | */ |
| | 53 | extern struct machine_desc __arch_info_begin[], __arch_info_end[]; |
| | 54 | #define for_each_machine_desc(p) \ |
| | 55 | for (p = __arch_info_begin; p < __arch_info_end; p++) |
| | 56 | |
| | 57 | /* |
| | 58 | * Set of macros to define architecture features. This is built into |
| | 59 | * a table by the linker. |
| | 60 | */ |
| | 61 | #define MACHINE_START(_type,_name) \ |
| | 62 | static const struct machine_desc __mach_desc_##_type \ |
| | 63 | __used \ |
| | 64 | __attribute__((__section__(".arch.info.init"))) = { \ |
| | 65 | .nr = MACH_TYPE_##_type, \ |
| | 66 | .name = _name, |
| | 67 | |
| | 68 | #define MACHINE_END \ |
| | 69 | }; |
| | 70 | |
| | 71 | #endif |
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