Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6
[pandora-kernel.git] / arch / arm / include / asm / mach / arch.h
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  * Set of macros to define architecture features.  This is built into
52  * a table by the linker.
53  */
54 #define MACHINE_START(_type,_name)                      \
55 static const struct machine_desc __mach_desc_##_type    \
56  __used                                                 \
57  __attribute__((__section__(".arch.info.init"))) = {    \
58         .nr             = MACH_TYPE_##_type,            \
59         .name           = _name,
60
61 #define MACHINE_END                             \
62 };
63
64 #endif