Merge branch 'pxa-tosa' into pxa
[linux-2.6.git] / include / asm-arm / mach / arch.h
1 /*
2  *  linux/include/asm-arm/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         /*
19          * Note! The first four elements are used
20          * by assembler code in head.S, head-common.S
21          */
22         unsigned int            nr;             /* architecture number  */
23         unsigned int            phys_io;        /* start of physical io */
24         unsigned int            io_pg_offst;    /* byte offset for io 
25                                                  * page tabe entry      */
26
27         const char              *name;          /* architecture name    */
28         unsigned long           boot_params;    /* tagged list          */
29
30         unsigned int            video_start;    /* start of video RAM   */
31         unsigned int            video_end;      /* end of video RAM     */
32
33         unsigned int            reserve_lp0 :1; /* never has lp0        */
34         unsigned int            reserve_lp1 :1; /* never has lp1        */
35         unsigned int            reserve_lp2 :1; /* never has lp2        */
36         unsigned int            soft_reboot :1; /* soft reboot          */
37         void                    (*fixup)(struct machine_desc *,
38                                          struct tag *, char **,
39                                          struct meminfo *);
40         void                    (*map_io)(void);/* IO mapping function  */
41         void                    (*init_irq)(void);
42         struct sys_timer        *timer;         /* system tick timer    */
43         void                    (*init_machine)(void);
44 };
45
46 /*
47  * Set of macros to define architecture features.  This is built into
48  * a table by the linker.
49  */
50 #define MACHINE_START(_type,_name)                      \
51 static const struct machine_desc __mach_desc_##_type    \
52  __used                                                 \
53  __attribute__((__section__(".arch.info.init"))) = {    \
54         .nr             = MACH_TYPE_##_type,            \
55         .name           = _name,
56
57 #define MACHINE_END                             \
58 };
59
60 #endif