[microblaze-uclinux] Howto access FSL with uClinux?

[Christian Schleiffer <christian.schleiffer@xxxxxxxxxxxxxxxxxx>]

Hi List,

I need to access an FSL port with my own hardware attached, but I'm not
sure how to do it correctly. I found the FSL driver by John but don't
know how to use it correctly.  fslfifo.c says:

> [...]
> * Simple driver to provide Linux-style FIFO interface to custom hardware
> * peripherals connected to Microblaze FSL ports.  See Microblaze user manual
> * for details of FSL architecture.
> *
> * read() and write() operate on software buffers, with a tasklet scheduled
> * to actually stuff data into / out of FSL ports.  This might be better 
> * served by interrupts, however the hardware doesn't support it yet.
> [...]

So I guess, it works quite similar to usual file handling? Can anybody
give me with a short example or a link? I was not able to find any code
or documentation on the net (except for the Xilinx stuff only mentioning
low-level blocking access).

Thanks in advance
Cheers
/Chris
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