2 * arch/arm/include/asm/mach/arch.h
4 * Copyright (C) 2000 Russell King
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.
18 unsigned int nr; /* architecture number */
19 const char *name; /* architecture name */
20 unsigned long boot_params; /* tagged list */
21 const char **dt_compat; /* array of device tree
22 * 'compatible' strings */
24 unsigned int nr_irqs; /* number of IRQs */
26 unsigned int video_start; /* start of video RAM */
27 unsigned int video_end; /* end of video RAM */
29 unsigned int reserve_lp0 :1; /* never has lp0 */
30 unsigned int reserve_lp1 :1; /* never has lp1 */
31 unsigned int reserve_lp2 :1; /* never has lp2 */
32 unsigned int soft_reboot :1; /* soft reboot */
33 void (*fixup)(struct machine_desc *,
34 struct tag *, char **,
36 void (*reserve)(void);/* reserve mem blocks */
37 void (*map_io)(void);/* IO mapping function */
38 void (*init_early)(void);
39 void (*init_irq)(void);
40 struct sys_timer *timer; /* system tick timer */
41 void (*init_machine)(void);
42 #ifdef CONFIG_MULTI_IRQ_HANDLER
43 void (*handle_irq)(struct pt_regs *);
48 * Current machine - only accessible during boot.
50 extern struct machine_desc *machine_desc;
53 * Machine type table - also only accessible during boot
55 extern struct machine_desc __arch_info_begin[], __arch_info_end[];
56 #define for_each_machine_desc(p) \
57 for (p = __arch_info_begin; p < __arch_info_end; p++)
60 * Set of macros to define architecture features. This is built into
61 * a table by the linker.
63 #define MACHINE_START(_type,_name) \
64 static const struct machine_desc __mach_desc_##_type \
66 __attribute__((__section__(".arch.info.init"))) = { \
67 .nr = MACH_TYPE_##_type, \