/* * 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_BAUSRATE	0x1004	/* baud rate of current console. */#define BP_TAG_SERIAL_PORT	0x1005	/* serial device of current console */ #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; typedef struct meminfo {  unsigned long type;  unsigned long start;  unsigned long end;} meminfo_t; #define SYSMEM_BANKS_MAX 5 #define MEMORY_TYPE_CONVENTIONAL	0x1000#define MEMORY_TYPE_NONE		0x2000 typedef struct sysmem_info {  int nr_banks;  meminfo_t bank[SYSMEM_BANKS_MAX];} sysmem_info_t; extern sysmem_info_t sysmem; #endif#endif