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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
parent6adbd30203a2839894d9b61f810d9fedc25a64ff (diff)
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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>
Diffstat (limited to 'include')
-rw-r--r--include/config_cmd_all.h1
-rw-r--r--include/fuse.h44
2 files changed, 45 insertions, 0 deletions
diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h
index 53a2f05..d847069 100644
--- a/include/config_cmd_all.h
+++ b/include/config_cmd_all.h
@@ -40,6 +40,7 @@
#define CONFIG_CMD_FDOS /* Floppy DOS support */
#define CONFIG_CMD_FLASH /* flinfo, erase, protect */
#define CONFIG_CMD_FPGA /* FPGA configuration Support */
+#define CONFIG_CMD_FUSE /* Device fuse support */
#define CONFIG_CMD_GETTIME /* Get time since boot */
#define CONFIG_CMD_HASH /* calculate hash / digest */
#define CONFIG_CMD_HWFLOW /* RTS/CTS hw flow control */
diff --git a/include/fuse.h b/include/fuse.h
new file mode 100644
index 0000000..b964137
--- /dev/null
+++ b/include/fuse.h
@@ -0,0 +1,44 @@
+/*
+ * (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_ */