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/*
* 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
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