uncached user space mapping with mmap() ???

[Fillod Stephane]

Hi Steven,

> I am trying to access a hardware timer implemented in an FPGA from
> user space. I implemented a simple mmap() functionality (taken from
> Runbini's Linux Device Driver)

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.


Regards,

--
Stéphane

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