1/*
 2 *  arch/arm/include/asm/mach/arch.h
 3 *
 4 *  Copyright (C) 2000 Russell King
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License version 2 as
 8 * published by the Free Software Foundation.
 9 */
10
11#ifndef __ASSEMBLY__
12
13struct tag;
14struct meminfo;
15struct sys_timer;
 
16
17struct machine_desc {
18	unsigned int		nr;		/* architecture number	*/
19	const char		*name;		/* architecture name	*/
20	unsigned long		boot_params;	/* tagged list		*/
21	const char		**dt_compat;	/* array of device tree
22						 * 'compatible' strings	*/
23
24	unsigned int		nr_irqs;	/* number of IRQs */
25
26#ifdef CONFIG_ZONE_DMA
27	unsigned long		dma_zone_size;	/* size of DMA-able area */
28#endif
29
30	unsigned int		video_start;	/* start of video RAM	*/
31	unsigned int		video_end;	/* end of video RAM	*/
32
33	unsigned int		reserve_lp0 :1;	/* never has lp0	*/
34	unsigned int		reserve_lp1 :1;	/* never has lp1	*/
35	unsigned int		reserve_lp2 :1;	/* never has lp2	*/
36	unsigned int		soft_reboot :1;	/* soft reboot		*/
37	void			(*fixup)(struct machine_desc *,
38					 struct tag *, char **,
39					 struct meminfo *);
40	void			(*reserve)(void);/* reserve mem blocks	*/
41	void			(*map_io)(void);/* IO mapping function	*/
42	void			(*init_early)(void);
43	void			(*init_irq)(void);
44	struct sys_timer	*timer;		/* system tick timer	*/
45	void			(*init_machine)(void);
 
46#ifdef CONFIG_MULTI_IRQ_HANDLER
47	void			(*handle_irq)(struct pt_regs *);
48#endif
 
49};
50
51/*
52 * Current machine - only accessible during boot.
53 */
54extern struct machine_desc *machine_desc;
55
56/*
57 * Machine type table - also only accessible during boot
58 */
59extern struct machine_desc __arch_info_begin[], __arch_info_end[];
60#define for_each_machine_desc(p)			\
61	for (p = __arch_info_begin; p < __arch_info_end; p++)
62
63/*
64 * Set of macros to define architecture features.  This is built into
65 * a table by the linker.
66 */
67#define MACHINE_START(_type,_name)			\
68static const struct machine_desc __mach_desc_##_type	\
69 __used							\
70 __attribute__((__section__(".arch.info.init"))) = {	\
71	.nr		= MACH_TYPE_##_type,		\
72	.name		= _name,
73
74#define MACHINE_END				\
75};
76
77#define DT_MACHINE_START(_name, _namestr)		\
78static const struct machine_desc __mach_desc_##_name	\
79 __used							\
80 __attribute__((__section__(".arch.info.init"))) = {	\
81	.nr		= ~0,				\
82	.name		= _namestr,
83
84#endif

 1/*
 2 *  arch/arm/include/asm/mach/arch.h
 3 *
 4 *  Copyright (C) 2000 Russell King
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License version 2 as
 8 * published by the Free Software Foundation.
 9 */
10
11#ifndef __ASSEMBLY__
12
13struct tag;
14struct meminfo;
15struct sys_timer;
16struct pt_regs;
17
18struct machine_desc {
19	unsigned int		nr;		/* architecture number	*/
20	const char		*name;		/* architecture name	*/
21	unsigned long		atag_offset;	/* tagged list (relative) */
22	const char *const 	*dt_compat;	/* array of device tree
23						 * 'compatible' strings	*/
24
25	unsigned int		nr_irqs;	/* number of IRQs */
26
27#ifdef CONFIG_ZONE_DMA
28	unsigned long		dma_zone_size;	/* size of DMA-able area */
29#endif
30
31	unsigned int		video_start;	/* start of video RAM	*/
32	unsigned int		video_end;	/* end of video RAM	*/
33
34	unsigned char		reserve_lp0 :1;	/* never has lp0	*/
35	unsigned char		reserve_lp1 :1;	/* never has lp1	*/
36	unsigned char		reserve_lp2 :1;	/* never has lp2	*/
37	char			restart_mode;	/* default restart mode	*/
38	void			(*fixup)(struct tag *, char **,
 
39					 struct meminfo *);
40	void			(*reserve)(void);/* reserve mem blocks	*/
41	void			(*map_io)(void);/* IO mapping function	*/
42	void			(*init_early)(void);
43	void			(*init_irq)(void);
44	struct sys_timer	*timer;		/* system tick timer	*/
45	void			(*init_machine)(void);
46	void			(*init_late)(void);
47#ifdef CONFIG_MULTI_IRQ_HANDLER
48	void			(*handle_irq)(struct pt_regs *);
49#endif
50	void			(*restart)(char, const char *);
51};
52
53/*
54 * Current machine - only accessible during boot.
55 */
56extern struct machine_desc *machine_desc;
57
58/*
59 * Machine type table - also only accessible during boot
60 */
61extern struct machine_desc __arch_info_begin[], __arch_info_end[];
62#define for_each_machine_desc(p)			\
63	for (p = __arch_info_begin; p < __arch_info_end; p++)
64
65/*
66 * Set of macros to define architecture features.  This is built into
67 * a table by the linker.
68 */
69#define MACHINE_START(_type,_name)			\
70static const struct machine_desc __mach_desc_##_type	\
71 __used							\
72 __attribute__((__section__(".arch.info.init"))) = {	\
73	.nr		= MACH_TYPE_##_type,		\
74	.name		= _name,
75
76#define MACHINE_END				\
77};
78
79#define DT_MACHINE_START(_name, _namestr)		\
80static const struct machine_desc __mach_desc_##_name	\
81 __used							\
82 __attribute__((__section__(".arch.info.init"))) = {	\
83	.nr		= ~0,				\
84	.name		= _namestr,
85
86#endif