Steven Scholz wrote: >> Please refer to "11.13. Accessing peripherals from user space" >> in the excellent FAQ from DENX's TWiki at : >> >> http://www.denx.de/twiki/bin/view/PPCEmbedded/DeviceDrivers#Section_Accessin >> gPeripheralsFromUserSpace >> >> There's no need to implement kernel side stuff. /dev/mem is enough. > >Oh! Nice. Thanks a million! It actually works (on my ARM board!)
Glad to hear it! >So why will people need their own mmap() driver if this kind of things >can be done via /dev/mem ??? For fun :) Or weird(read clever) mappings. >And: Can I mmap() 32MB of peripheral memory into user space? I don't see any reason why you would not be able to. The best answer is try it, and see for yourself. Regards, -- St?phane ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
