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| author | Thomas Gleixner <tglx@tglx.tec.linutronix.de> | 2005-06-26 23:20:36 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-06-26 23:20:36 +0200 |
| commit | 7ca6448dbfb398bba36eda3c01bc14b86c3675be (patch) | |
| tree | 82d934ebf07f22a2c64c3b6d82ec24082878b43a /include/asm-xtensa/bootparam.h | |
| parent | f1f67a9874f1a4bba1adff6d694aa52e5f52ff1a (diff) | |
| parent | 7d681b23d6cc14a8c026ea6756242cb522cbbcae (diff) | |
| download | lwn-7ca6448dbfb398bba36eda3c01bc14b86c3675be.tar.gz lwn-7ca6448dbfb398bba36eda3c01bc14b86c3675be.zip | |
Merge with rsync://fileserver/linux
Update to Linus latest
Diffstat (limited to 'include/asm-xtensa/bootparam.h')
| -rw-r--r-- | include/asm-xtensa/bootparam.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/asm-xtensa/bootparam.h b/include/asm-xtensa/bootparam.h new file mode 100644 index 000000000000..9983f2c1b7ee --- /dev/null +++ b/include/asm-xtensa/bootparam.h @@ -0,0 +1,61 @@ +/* + * 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 + + + |
