ARM Versatile multi-platform support
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Cover letter [PATCH 0/9] ARM Versatile multi-platform support
Quoted 14 lines · Peter Maydell
Quoted 6 lines · Marc Zyngier
Quoted 3 lines · Peter Maydell
Will Deacon and Marc Zyngier are currently in possession of that h/w. I'm sure they'd be delighted to pull it out of the cupboard and give it a spin :-)
I'll try to find some time (or a victim to do the testing... ;-)
To save you some time in trying to debug things which didn't work before this patchset, the status last time I tested on h/w was:
* PCI MMIO accesses work
* PCI IO accesses work
* PCI bus-master (DMA) doesn't work
Quoted 4 lines
with the failure symptom for DMA being that the card wrote to the correct area of memory but only every other word, so you got strings like "HellXXXXrld" with the Xs being garbage. This feels to me like a h/w issue rather than a driver problem.
Looks like some 64bit address decoding getting in the way. Or something.... Do you remember the exact platform you tried this on (I have PB926, PB1176, and a bunch of RealViews with an odd mix of tiles...)?
M.
Signature · 1 line
Jazz is not dead. It just smells funny.