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author | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
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committer | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
commit | dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch) | |
tree | 1c63e7c2f879cd322ca785671b74b4ff796dd24c /arch/xtensa/include/asm/bootparam.h | |
parent | a5e6ced58d423cb09c4fc0087dcfdb0b5deb5e1c (diff) | |
parent | f3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff) | |
download | kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.zip kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.gz kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'arch/xtensa/include/asm/bootparam.h')
-rw-r--r-- | arch/xtensa/include/asm/bootparam.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/bootparam.h b/arch/xtensa/include/asm/bootparam.h new file mode 100644 index 0000000..9983f2c --- /dev/null +++ b/arch/xtensa/include/asm/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 + + + |