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authorBenoît Thébaudeau <benoit.thebaudeau@advansee.com>2013-04-23 10:17:40 +0000
committerStefano Babic <sbabic@denx.de>2013-04-28 11:07:40 +0200
commitccca7dfd0273af41e5b4bdec7f8731b177a20fde (patch)
tree015f9912580d549ea1605d967d9ea56adf4ca161 /include/fuse.h
parent6adbd30203a2839894d9b61f810d9fedc25a64ff (diff)
downloadu-boot-ccca7dfd0273af41e5b4bdec7f8731b177a20fde.tar.gz
Add fuse API and commands
This can be useful for fuse-like hardware, OTP SoC options, etc. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
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+/*
+ * (C) Copyright 2009-2013 ADVANSEE
+ * Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
+ *
+ * Based on the mpc512x iim code:
+ * Copyright 2008 Silicon Turnkey Express, Inc.
+ * Martha Marx <mmarx@silicontkx.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FUSE_H_
+#define _FUSE_H_
+
+/*
+ * Read/Sense/Program/Override interface:
+ * bank: Fuse bank
+ * word: Fuse word within the bank
+ * val: Value to read/write
+ *
+ * Returns: 0 on success, not 0 on failure
+ */
+int fuse_read(u32 bank, u32 word, u32 *val);
+int fuse_sense(u32 bank, u32 word, u32 *val);
+int fuse_prog(u32 bank, u32 word, u32 val);
+int fuse_override(u32 bank, u32 word, u32 val);
+
+#endif /* _FUSE_H_ */