diff options
Diffstat (limited to 'include/asm-arm/mach/arch.h')
-rw-r--r-- | include/asm-arm/mach/arch.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/asm-arm/mach/arch.h b/include/asm-arm/mach/arch.h new file mode 100644 index 000000000000..3a32e929ec8c --- /dev/null +++ b/include/asm-arm/mach/arch.h @@ -0,0 +1,92 @@ +/* + * linux/include/asm-arm/mach/arch.h + * + * Copyright (C) 2000 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASSEMBLY__ + +struct tag; +struct meminfo; +struct sys_timer; + +struct machine_desc { + /* + * Note! The first five elements are used + * by assembler code in head-armv.S + */ + unsigned int nr; /* architecture number */ + unsigned int phys_ram; /* start of physical ram */ + unsigned int phys_io; /* start of physical io */ + unsigned int io_pg_offst; /* byte offset for io + * page tabe entry */ + + const char *name; /* architecture name */ + unsigned int param_offset; /* parameter page */ + + unsigned int video_start; /* start of video RAM */ + unsigned int video_end; /* end of video RAM */ + + unsigned int reserve_lp0 :1; /* never has lp0 */ + unsigned int reserve_lp1 :1; /* never has lp1 */ + unsigned int reserve_lp2 :1; /* never has lp2 */ + unsigned int soft_reboot :1; /* soft reboot */ + void (*fixup)(struct machine_desc *, + struct tag *, char **, + struct meminfo *); + void (*map_io)(void);/* IO mapping function */ + void (*init_irq)(void); + struct sys_timer *timer; /* system tick timer */ + void (*init_machine)(void); +}; + +/* + * Set of macros to define architecture features. This is built into + * a table by the linker. + */ +#define MACHINE_START(_type,_name) \ +const struct machine_desc __mach_desc_##_type \ + __attribute__((__section__(".arch.info"))) = { \ + .nr = MACH_TYPE_##_type, \ + .name = _name, + +#define MAINTAINER(n) + +#define BOOT_MEM(_pram,_pio,_vio) \ + .phys_ram = _pram, \ + .phys_io = _pio, \ + .io_pg_offst = ((_vio)>>18)&0xfffc, + +#define BOOT_PARAMS(_params) \ + .param_offset = _params, + +#define VIDEO(_start,_end) \ + .video_start = _start, \ + .video_end = _end, + +#define DISABLE_PARPORT(_n) \ + .reserve_lp##_n = 1, + +#define SOFT_REBOOT \ + .soft_reboot = 1, + +#define FIXUP(_func) \ + .fixup = _func, + +#define MAPIO(_func) \ + .map_io = _func, + +#define INITIRQ(_func) \ + .init_irq = _func, + +#define INIT_MACHINE(_func) \ + .init_machine = _func, + +#define MACHINE_END \ +}; + +#endif |