xref: /openbmc/u-boot/include/fuse.h (revision b46694df)
1 /*
2  * (C) Copyright 2009-2013 ADVANSEE
3  * Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
4  *
5  * Based on the mpc512x iim code:
6  * Copyright 2008 Silicon Turnkey Express, Inc.
7  * Martha Marx <mmarx@silicontkx.com>
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 
28 #ifndef _FUSE_H_
29 #define _FUSE_H_
30 
31 /*
32  * Read/Sense/Program/Override interface:
33  *   bank:    Fuse bank
34  *   word:    Fuse word within the bank
35  *   val:     Value to read/write
36  *
37  *   Returns: 0 on success, not 0 on failure
38  */
39 int fuse_read(u32 bank, u32 word, u32 *val);
40 int fuse_sense(u32 bank, u32 word, u32 *val);
41 int fuse_prog(u32 bank, u32 word, u32 val);
42 int fuse_override(u32 bank, u32 word, u32 val);
43 
44 #endif	/* _FUSE_H_ */
45