2008-01-18 19:04:28 +01:00
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.TH SUPERIOTOOL 8 "January 18, 2008"
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2007-10-07 17:26:40 +02:00
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.SH NAME
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superiotool \- Super I/O detection tool
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.SH SYNOPSIS
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2008-01-15 23:30:55 +01:00
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.B superiotool \fR[\fB\-dlVvh\fR]
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2007-10-07 17:26:40 +02:00
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.SH DESCRIPTION
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.B superiotool
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is a GPL'd user-space utility which can
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.PP
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* detect which Super I/O chip is soldered onto your mainboard,
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.PP
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* at which configuration port it's located (usually 0x2e or 0x4e), and
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.PP
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* dump all register contents of the Super I/O chip, together with the
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default values as per datasheet (to make comparing the values easy).
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.PP
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2008-01-18 16:34:24 +01:00
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It is mainly used for coreboot development purposes (see coreboot.org
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for details on coreboot), but it may also be useful for other things.
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2007-10-11 20:30:05 +02:00
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.PP
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2008-01-18 19:04:28 +01:00
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The list of supported Super I/O chips is available at
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.BR http://coreboot.org/Superiotool#Supported_devices ","
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but it can also be viewed by running
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.BR "superiotool -l" "."
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2007-10-07 17:26:40 +02:00
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.SH OPTIONS
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If no command line option is specified,
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.B superiotool
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merely tries to detect the Super I/O chip.
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2007-11-29 03:43:50 +01:00
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You must use the
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.B "\-d"
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2007-10-07 17:26:40 +02:00
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option to dump the Super I/O register contents.
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.TP
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.B "\-d, \-\-dump"
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Dump Super I/O registers (if the Super I/O chip is detected and
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.B superiotool
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supports the
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.B "\-\-dump"
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option for this chip). The output will look something like this:
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.sp
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2008-01-18 19:04:28 +01:00
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.B "$ superiotool -d"
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.br
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Found SMSC FDC37N769 (id=0x28, rev=0x01) at 0x3f0
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.br
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Register dump:
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.br
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idx 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11...
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.br
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val 20 90 80 f4 00 00 ff 00 00 00 40 00 0e 28 01 00 00 00...
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.br
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def 28 9c 88 70 00 00 ff 00 00 00 00 00 02 28 NA 00 00 80...
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.sp
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The
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.B idx
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fields contain the register numbers/indexes of the Super I/O, the
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.B val
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fields contain the contents of the respective register as read from the
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Super I/O, and the
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.B def
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fields contain the default values for the respective register, as specified
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in the datasheet.
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.sp
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The numbers in the output are all in hex format, and some special values
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may also occur:
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.BR NA " stands for"
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.I "not available"
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(i.e., the datasheet doesn't specify a default value for the respective
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register),
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.BR RR " means"
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.I reserved
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(the datasheet explicitly marks this register as reserved), and
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.BR MM " means"
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.IR misc ,
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which can mean several things. It's recommended to consult the datasheet for
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detailed information about the
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.BR MM " fields."
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2007-10-07 17:26:40 +02:00
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.TP
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2008-01-15 23:30:55 +01:00
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.B "\-l, \-\-list-supported"
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List all Super I/O chips recognized by
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.BR superiotool ". The phrase"
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2008-01-18 19:04:28 +01:00
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.BR "(dump available)"
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2008-01-15 23:30:55 +01:00
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following a chip name indicates that
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.B superiotool
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supports the
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.B --dump
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option for this chip.
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.TP
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2007-10-07 17:26:40 +02:00
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.B "\-V, \-\-verbose"
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Enable verbose mode. This option can be used together with the
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2007-11-17 18:13:52 +01:00
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.BR "\-d" " option."
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2007-10-11 20:30:05 +02:00
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.sp
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The verbose output will not only list for which type of Super I/O the tool
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is scanning, but also at which configuration port it's probing, and which
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Super I/O initialization sequence is used. If no Super I/O was detected
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in a probing run, the returned output will be shown, as it may be useful
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for figuring out which (currently unrecognized) Super I/O chip this may be.
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2007-10-07 17:26:40 +02:00
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.TP
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.B "\-v, \-\-version"
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Show version information and exit.
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.TP
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.B "\-h, \-\-help"
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Show a help text and exit.
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.SH BUGS
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2008-01-18 19:04:28 +01:00
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Please report any bugs at
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.B http://tracker.coreboot.org/trac/coreboot/newticket
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or on the coreboot mailing list
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.RB "(" http://coreboot.org/Mailinglist ")."
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2007-10-11 20:30:05 +02:00
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.SH AUTHORS
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Please see the individual source code files and/or the README file.
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2007-10-07 17:26:40 +02:00
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.SH LICENCE
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.B superiotool
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2007-10-11 20:30:05 +02:00
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is covered by the GNU General Public License (GPL), either version 2 of
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the License, or (at your option) any later version.
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2007-10-07 17:26:40 +02:00
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.SH SEE ALSO
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.BR sensors-detect (8)
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