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50 lines
1.4 KiB
50 lines
1.4 KiB
/* |
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* include/asm-xtensa/bootparam.h |
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* |
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* Definition of the Linux/Xtensa boot parameter structure |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2001 - 2005 Tensilica Inc. |
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* |
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* (Concept borrowed from the 68K port) |
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*/ |
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#ifndef _XTENSA_BOOTPARAM_H |
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#define _XTENSA_BOOTPARAM_H |
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#define BP_VERSION 0x0001 |
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#define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/ |
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#define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */ |
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#define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */ |
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#define BP_TAG_SERIAL_BAUDRATE 0x1004 /* baud rate of current console. */ |
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#define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */ |
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#define BP_TAG_FDT 0x1006 /* flat device tree addr */ |
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#define BP_TAG_FIRST 0x7B0B /* first tag with a version number */ |
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#define BP_TAG_LAST 0x7E0B /* last tag */ |
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#ifndef __ASSEMBLY__ |
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/* All records are aligned to 4 bytes */ |
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typedef struct bp_tag { |
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unsigned short id; /* tag id */ |
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unsigned short size; /* size of this record excluding the structure*/ |
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unsigned long data[]; /* data */ |
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} bp_tag_t; |
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struct bp_meminfo { |
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unsigned long type; |
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unsigned long start; |
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unsigned long end; |
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}; |
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#define MEMORY_TYPE_CONVENTIONAL 0x1000 |
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#define MEMORY_TYPE_NONE 0x2000 |
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#endif |
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#endif
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