[deliverable/linux.git] / arch / xtensa / include / asm / bootparam.h

/*
 * include/asm-xtensa/bootparam.h
 *
 * Definition of the Linux/Xtensa boot parameter structure
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2001 - 2005  Tensilica Inc.
 *
 * (Concept borrowed from the 68K port)
 */

#ifndef _XTENSA_BOOTPARAM_H
#define _XTENSA_BOOTPARAM_H

#define BP_VERSION 0x0001

#define BP_TAG_COMMAND_LINE	0x1001	/* command line (0-terminated string)*/
#define BP_TAG_INITRD		0x1002	/* ramdisk addr and size (bp_meminfo) */
#define BP_TAG_MEMORY		0x1003	/* memory addr and size (bp_meminfo) */
#define BP_TAG_SERIAL_BAUDRATE	0x1004	/* baud rate of current console. */
#define BP_TAG_SERIAL_PORT	0x1005	/* serial device of current console */
#define BP_TAG_FDT		0x1006	/* flat device tree addr */

#define BP_TAG_FIRST		0x7B0B  /* first tag with a version number */
#define BP_TAG_LAST 		0x7E0B	/* last tag */

#ifndef __ASSEMBLY__

/* All records are aligned to 4 bytes */

typedef struct bp_tag {
	unsigned short id;	/* tag id */
	unsigned short size;	/* size of this record excluding the structure*/
	unsigned long data[0];	/* data */
} bp_tag_t;

struct bp_meminfo {
	unsigned long type;
	unsigned long start;
	unsigned long end;
};

#define MEMORY_TYPE_CONVENTIONAL	0x1000
#define MEMORY_TYPE_NONE		0x2000

#endif
#endif
Commit	Line	Data
9a8fd558 CZ	1	/*
	2	* include/asm-xtensa/bootparam.h
	3	*
	4	* Definition of the Linux/Xtensa boot parameter structure
	5	*
	6	* This file is subject to the terms and conditions of the GNU General Public
	7	* License. See the file "COPYING" in the main directory of this archive
	8	* for more details.
	9	*
	10	* Copyright (C) 2001 - 2005 Tensilica Inc.
	11	*
	12	* (Concept borrowed from the 68K port)
	13	*/
	14
	15	#ifndef _XTENSA_BOOTPARAM_H
	16	#define _XTENSA_BOOTPARAM_H
	17
	18	#define BP_VERSION 0x0001
	19
	20	#define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/
	21	#define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */
	22	#define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */
661b40b0	23	#define BP_TAG_SERIAL_BAUDRATE 0x1004 /* baud rate of current console. */
9a8fd558	24	#define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */
da844a81	25	#define BP_TAG_FDT 0x1006 /* flat device tree addr */
9a8fd558 CZ	26
	27	#define BP_TAG_FIRST 0x7B0B /* first tag with a version number */
	28	#define BP_TAG_LAST 0x7E0B /* last tag */
	29
	30	#ifndef __ASSEMBLY__
	31
	32	/* All records are aligned to 4 bytes */
	33
	34	typedef struct bp_tag {
c4c4594b CZ	35	unsigned short id; /* tag id */
	36	unsigned short size; /* size of this record excluding the structure*/
	37	unsigned long data[0]; /* data */
9a8fd558 CZ	38	} bp_tag_t;
9a8fd558 CZ	39
9ba067f9	40	struct bp_meminfo {
c4c4594b CZ	41	unsigned long type;
	42	unsigned long start;
	43	unsigned long end;
9ba067f9	44	};
9a8fd558 CZ	45
	46	#define MEMORY_TYPE_CONVENTIONAL 0x1000
	47	#define MEMORY_TYPE_NONE 0x2000
	48
9a8fd558 CZ	49	#endif
9a8fd558 CZ	50	#endif