Re: bus_dmamap_sync() for USB

[Michael Lorenz <macallan%netbsd.org@localhost>]

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Hello,

On Jun 24, 2008, at 14:34, Manuel Bouyer wrote:

> The fwohci0 is the same as your, but the USB part is newer than your,
> if I trust the revision numbers. It'd be nice to see what changed
> between the 2 revisions, but I don't know where to find this info.

The uhci/ehci works perfectly fine on sparc64. I noticed a few things  
though:
- - throughput is much higher. On the O2 bonnie++ maxed out at about  
2.5MB/s, in my U60 it goes past 5MB/s
- - the O2 spends a lot of time in interrupt code ( >20% at times )  
during bonnie++ runs, on the U60 it's less than 2%
So, maybe there's something fishy in the O2-specific ( or maybe MIPS- 
specific ) interrupt code.

have fun
Michael

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