xref: /openbmc/u-boot/disk/part_dos.h (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */
2afe3d130Swdenk /*
3afe3d130Swdenk  * (C) Copyright 2000
4afe3d130Swdenk  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5afe3d130Swdenk  */
6afe3d130Swdenk 
7afe3d130Swdenk #ifndef _DISK_PART_DOS_H
8afe3d130Swdenk #define _DISK_PART_DOS_H
9afe3d130Swdenk 
10d27b5f93SStephen Warren #define DOS_PART_DISKSIG_OFFSET	0x1b8
11afe3d130Swdenk #define DOS_PART_TBL_OFFSET	0x1be
12afe3d130Swdenk #define DOS_PART_MAGIC_OFFSET	0x1fe
137205e407Swdenk #define DOS_PBR_FSTYPE_OFFSET	0x36
1466c2d73cSWolfgang Denk #define DOS_PBR32_FSTYPE_OFFSET	0x52
157205e407Swdenk #define DOS_PBR_MEDIA_TYPE_OFFSET	0x15
167205e407Swdenk #define DOS_MBR	0
177205e407Swdenk #define DOS_PBR	1
18afe3d130Swdenk 
19afe3d130Swdenk typedef struct dos_partition {
20afe3d130Swdenk 	unsigned char boot_ind;		/* 0x80 - active			*/
21afe3d130Swdenk 	unsigned char head;		/* starting head			*/
22afe3d130Swdenk 	unsigned char sector;		/* starting sector			*/
23afe3d130Swdenk 	unsigned char cyl;		/* starting cylinder			*/
24afe3d130Swdenk 	unsigned char sys_ind;		/* What partition type			*/
25afe3d130Swdenk 	unsigned char end_head;		/* end head				*/
26afe3d130Swdenk 	unsigned char end_sector;	/* end sector				*/
27afe3d130Swdenk 	unsigned char end_cyl;		/* end cylinder				*/
28afe3d130Swdenk 	unsigned char start4[4];	/* starting sector counting from 0	*/
29afe3d130Swdenk 	unsigned char size4[4];		/* nr of sectors in partition		*/
30afe3d130Swdenk } dos_partition_t;
31afe3d130Swdenk 
32afe3d130Swdenk #endif	/* _DISK_PART_DOS_H */
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