even though i'm testing on a beagle-xM which has no flash, i figured
i'd read the flash chapter of the user's guide anyway, and a couple
things puzzle me.
first, section 12.1 of UG lists four alleged configuration commands:
* flash bank ...
* flash banks
* flash list
* flash probe ...
however, running "usage flash" on the xm shows:
flash
flash bank bank_id driver_name base_address size_bytes chip_width_bytes
bus_width_bytes target [driver_options ...]
flash banks
flash init
flash list
and you can see the two lists don't exactly match. "flash probe" is
mentioned only in the UG, while "flash init" shows up only in the
output of "usage flash". are these lists supposed to match? it's a bit
confusing that they don't.
next, i can also see, in the source file src/flash/nor/tcl.c, the
definition of the main flash commands at the bottom, and higher up in
that file, the definition of "flash_exec_command_handlers". i'm
embarrassed to admit i don't know what the mode of COMMMAND_EXEC
means. help?
finally, given that this xM has no flash, i fully expect that trying
to access flash should fail, so i ran both:
> flash list
> flash banks
and got no output, which i expected. but then i tried this:
> flash probe 0
flash probe 0: command requires more arguments
in procedure 'flash'
>
that's surprising -- why doesn't that just say that i have no flash?
why suggest i need more arguments? am i misreading something?
rday
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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