![Shawn Guo](/assets/img/avatar_default.png)
This allows platforms to set up things that need to be done at late_initcall time. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Robert Lee <rob.lee@linaro.org> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
|
|
* arch/arm/include/asm/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 pt_regs;
|
|
|
|
struct machine_desc {
|
|
unsigned int nr; /* architecture number */
|
|
const char *name; /* architecture name */
|
|
unsigned long atag_offset; /* tagged list (relative) */
|
|
const char *const *dt_compat; /* array of device tree
|
|
* 'compatible' strings */
|
|
|
|
unsigned int nr_irqs; /* number of IRQs */
|
|
|
|
#ifdef CONFIG_ZONE_DMA
|
|
unsigned long dma_zone_size; /* size of DMA-able area */
|
|
#endif
|
|
|
|
unsigned int video_start; /* start of video RAM */
|
|
unsigned int video_end; /* end of video RAM */
|
|
|
|
unsigned char reserve_lp0 :1; /* never has lp0 */
|
|
unsigned char reserve_lp1 :1; /* never has lp1 */
|
|
unsigned char reserve_lp2 :1; /* never has lp2 */
|
|
char restart_mode; /* default restart mode */
|
|
void (*fixup)(struct tag *, char **,
|
|
struct meminfo *);
|
|
void (*reserve)(void);/* reserve mem blocks */
|
|
void (*map_io)(void);/* IO mapping function */
|
|
void (*init_early)(void);
|
|
void (*init_irq)(void);
|
|
struct sys_timer *timer; /* system tick timer */
|
|
void (*init_machine)(void);
|
|
void (*init_late)(void);
|
|
#ifdef CONFIG_MULTI_IRQ_HANDLER
|
|
void (*handle_irq)(struct pt_regs *);
|
|
#endif
|
|
void (*restart)(char, const char *);
|
|
};
|
|
|
|
/*
|
|
* Current machine - only accessible during boot.
|
|
*/
|
|
extern struct machine_desc *machine_desc;
|
|
|
|
/*
|
|
* Machine type table - also only accessible during boot
|
|
*/
|
|
extern struct machine_desc __arch_info_begin[], __arch_info_end[];
|
|
#define for_each_machine_desc(p) \
|
|
for (p = __arch_info_begin; p < __arch_info_end; p++)
|
|
|
|
/*
|
|
* Set of macros to define architecture features. This is built into
|
|
* a table by the linker.
|
|
*/
|
|
#define MACHINE_START(_type,_name) \
|
|
static const struct machine_desc __mach_desc_##_type \
|
|
__used \
|
|
__attribute__((__section__(".arch.info.init"))) = { \
|
|
.nr = MACH_TYPE_##_type, \
|
|
.name = _name,
|
|
|
|
#define MACHINE_END \
|
|
};
|
|
|
|
#define DT_MACHINE_START(_name, _namestr) \
|
|
static const struct machine_desc __mach_desc_##_name \
|
|
__used \
|
|
__attribute__((__section__(".arch.info.init"))) = { \
|
|
.nr = ~0, \
|
|
.name = _namestr,
|
|
|
|
#endif
|