Re: Using devmem2 to access GPIO and HW registers on AT91SAM9260

[Eric BENARD <ebenard@xxxxxxx>]

hi Paul,

Paul Kavan a écrit :
> Some kind folks from this list have helped me determined that mmap
> ought to be able to access the pins and registers on an at91sam9260. I
> have some code compiled to do just that. The only difficulty now is
> determining where linux is mapping these to. Has anyone had any
> success using devmem2 with at at91sam9260 or something similar to
> read/write pins/registers. If so, how did you determine where to
> locate those items on the mmap?
> 
you may start from the gpio utility for AT91RM9200 and update it to the
memory map of AT91SAM9260 :
http://www.ipbx.ru/rm9200/gpio-RM9200.tar.gz

Eric

-------------------------------------------------------------------
List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm
FAQ:        http://www.arm.linux.org.uk/mailinglists/faq.php
Etiquette:  http://www.arm.linux.org.uk/mailinglists/etiquette.php