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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.
*/
/*
* The size of struct machine_desc
* (for assembler code)
*/
#define SIZEOF_MACHINE_DESC 48
#ifndef __ASSEMBLY__
extern void setup_initrd(unsigned int start, unsigned int size);
extern void setup_ramdisk(int doload, int prompt, int start, unsigned int rd_sz);
struct machine_desc {
/*
* Note! The first four 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 param_struct *, char **,
struct meminfo *);
void (*map_io)(void);/* IO mapping function */
void (*init_irq)(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 BROKEN_HLT /* unused */
#define SOFT_REBOOT \
soft_reboot: 1,
#define FIXUP(_func) \
fixup: _func,
#define MAPIO(_func) \
map_io: _func,
#define INITIRQ(_func) \
init_irq: _func,
#define MACHINE_END \
};
#endif
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