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