[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-avr32 / setup.h

/*
 * Copyright (C) 2004-2006 Atmel Corporation
 *
 * Based on linux/include/asm-arm/setup.h
 *   Copyright (C) 1997-1999 Russel 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 __ASM_AVR32_SETUP_H__
#define __ASM_AVR32_SETUP_H__

#define COMMAND_LINE_SIZE 256

#ifdef __KERNEL__

/* Magic number indicating that a tag table is present */
#define ATAG_MAGIC	0xa2a25441

#ifndef __ASSEMBLY__

/*
 * Generic memory range, used by several tags.
 *
 *   addr is always physical.
 *   size is measured in bytes.
 *   next is for use by the OS, e.g. for grouping regions into
 *        linked lists.
 */
struct tag_mem_range {
	u32			addr;
	u32			size;
	struct tag_mem_range *	next;
};

/* The list ends with an ATAG_NONE node. */
#define ATAG_NONE	0x00000000

struct tag_header {
	u32 size;
	u32 tag;
};

/* The list must start with an ATAG_CORE node */
#define ATAG_CORE	0x54410001

struct tag_core {
	u32 flags;
	u32 pagesize;
	u32 rootdev;
};

/* it is allowed to have multiple ATAG_MEM nodes */
#define ATAG_MEM	0x54410002
/* ATAG_MEM uses tag_mem_range */

/* command line: \0 terminated string */
#define ATAG_CMDLINE	0x54410003

struct tag_cmdline {
	char	cmdline[1];	/* this is the minimum size */
};

/* Ramdisk image (may be compressed) */
#define ATAG_RDIMG	0x54410004
/* ATAG_RDIMG uses tag_mem_range */

/* Information about various clocks present in the system */
#define ATAG_CLOCK	0x54410005

struct tag_clock {
	u32	clock_id;	/* Which clock are we talking about? */
	u32	clock_flags;	/* Special features */
	u64	clock_hz;	/* Clock speed in Hz */
};

/* The clock types we know about */
#define CLOCK_BOOTCPU	0

/* Memory reserved for the system (e.g. the bootloader) */
#define ATAG_RSVD_MEM	0x54410006
/* ATAG_RSVD_MEM uses tag_mem_range */

/* Ethernet information */

#define ATAG_ETHERNET	0x54410007

struct tag_ethernet {
	u8	mac_index;
	u8	mii_phy_addr;
	u8	hw_address[6];
};

#define ETH_INVALID_PHY	0xff

struct tag {
	struct tag_header hdr;
	union {
		struct tag_core core;
		struct tag_mem_range mem_range;
		struct tag_cmdline cmdline;
		struct tag_clock clock;
		struct tag_ethernet ethernet;
	} u;
};

struct tagtable {
	u32	tag;
	int	(*parse)(struct tag *);
};

#define __tag __attribute_used__ __attribute__((__section__(".taglist")))
#define __tagtable(tag, fn)						\
	static struct tagtable __tagtable_##fn __tag = { tag, fn }

#define tag_member_present(tag,member)					\
	((unsigned long)(&((struct tag *)0L)->member + 1)		\
	 <= (tag)->hdr.size * 4)

#define tag_next(t)	((struct tag *)((u32 *)(t) + (t)->hdr.size))
#define tag_size(type)	((sizeof(struct tag_header) + sizeof(struct type)) >> 2)

#define for_each_tag(t,base)						\
	for (t = base; t->hdr.size; t = tag_next(t))

extern struct tag_mem_range *mem_phys;
extern struct tag_mem_range *mem_reserved;
extern struct tag_mem_range *mem_ramdisk;

extern struct tag *bootloader_tags;

extern void setup_bootmem(void);
extern void setup_processor(void);
extern void board_setup_fbmem(unsigned long fbmem_start,
			      unsigned long fbmem_size);

/* Chip-specific hook to enable the use of SDRAM */
void chip_enable_sdram(void);

#endif /* !__ASSEMBLY__ */

#endif  /*  __KERNEL__  */

#endif /* __ASM_AVR32_SETUP_H__ */
Commit	Line	Data
5f97f7f9 HS	1	/*
	2	* Copyright (C) 2004-2006 Atmel Corporation
	3	*
	4	* Based on linux/include/asm-arm/setup.h
	5	* Copyright (C) 1997-1999 Russel King
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11	#ifndef __ASM_AVR32_SETUP_H__
	12	#define __ASM_AVR32_SETUP_H__
	13
	14	#define COMMAND_LINE_SIZE 256
	15
7d1362c0 AB	16	#ifdef __KERNEL__
7d1362c0 AB	17
5f97f7f9 HS	18	/* Magic number indicating that a tag table is present */
	19	#define ATAG_MAGIC 0xa2a25441
	20
	21	#ifndef __ASSEMBLY__
	22
	23	/*
	24	* Generic memory range, used by several tags.
	25	*
	26	* addr is always physical.
	27	* size is measured in bytes.
	28	* next is for use by the OS, e.g. for grouping regions into
	29	* linked lists.
	30	*/
	31	struct tag_mem_range {
	32	u32 addr;
	33	u32 size;
	34	struct tag_mem_range * next;
	35	};
	36
	37	/* The list ends with an ATAG_NONE node. */
	38	#define ATAG_NONE 0x00000000
	39
	40	struct tag_header {
	41	u32 size;
	42	u32 tag;
	43	};
	44
	45	/* The list must start with an ATAG_CORE node */
	46	#define ATAG_CORE 0x54410001
	47
	48	struct tag_core {
	49	u32 flags;
	50	u32 pagesize;
	51	u32 rootdev;
	52	};
	53
	54	/* it is allowed to have multiple ATAG_MEM nodes */
	55	#define ATAG_MEM 0x54410002
	56	/* ATAG_MEM uses tag_mem_range */
	57
	58	/* command line: \0 terminated string */
	59	#define ATAG_CMDLINE 0x54410003
	60
	61	struct tag_cmdline {
	62	char cmdline[1]; /* this is the minimum size */
	63	};
	64
	65	/* Ramdisk image (may be compressed) */
	66	#define ATAG_RDIMG 0x54410004
	67	/* ATAG_RDIMG uses tag_mem_range */
	68
	69	/* Information about various clocks present in the system */
	70	#define ATAG_CLOCK 0x54410005
	71
	72	struct tag_clock {
	73	u32 clock_id; /* Which clock are we talking about? */
	74	u32 clock_flags; /* Special features */
	75	u64 clock_hz; /* Clock speed in Hz */
	76	};
	77
	78	/* The clock types we know about */
	79	#define CLOCK_BOOTCPU 0
	80
	81	/* Memory reserved for the system (e.g. the bootloader) */
82	#define ATAG_RSVD_MEM 0x54410006
83	/* ATAG_RSVD_MEM uses tag_mem_range */
84
85	/* Ethernet information */
86
87	#define ATAG_ETHERNET 0x54410007
88
89	struct tag_ethernet {
90	u8 mac_index;
91	u8 mii_phy_addr;
92	u8 hw_address[6];
93	};
94
95	#define ETH_INVALID_PHY 0xff
96
97	struct tag {
98	struct tag_header hdr;
99	union {
100	struct tag_core core;
101	struct tag_mem_range mem_range;
102	struct tag_cmdline cmdline;
103	struct tag_clock clock;
104	struct tag_ethernet ethernet;
105	} u;
106	};
107
108	struct tagtable {
109	u32 tag;
110	int (parse)(struct tag );
111	};
112
113	#define __tag __attribute_used__ __attribute__((__section__(".taglist")))
114	#define __tagtable(tag, fn) \
115	static struct tagtable __tagtable_##fn __tag = { tag, fn }
116
117	#define tag_member_present(tag,member) \
118	((unsigned long)(&((struct tag *)0L)->member + 1) \
119	<= (tag)->hdr.size * 4)
120
121	#define tag_next(t) ((struct tag )((u32 )(t) + (t)->hdr.size))
122	#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
123
124	#define for_each_tag(t,base) \
125	for (t = base; t->hdr.size; t = tag_next(t))
126
127	extern struct tag_mem_range *mem_phys;
128	extern struct tag_mem_range *mem_reserved;
129	extern struct tag_mem_range *mem_ramdisk;
130
131	extern struct tag *bootloader_tags;
132
133	extern void setup_bootmem(void);
134	extern void setup_processor(void);
135	extern void board_setup_fbmem(unsigned long fbmem_start,
136	unsigned long fbmem_size);
137
138	/* Chip-specific hook to enable the use of SDRAM */
139	void chip_enable_sdram(void);
140
141	#endif /* !__ASSEMBLY__ */
142
7d1362c0 AB	143	#endif /* __KERNEL__ */
7d1362c0 AB	144
5f97f7f9	145	#endif /* __ASM_AVR32_SETUP_H__ */