/* * 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