SDIO performance

Colin McCabe colin at cozybit.com
Fri Jan 9 13:11:16 EST 2009


On Thu, Jan 8, 2009 at 5:09 PM, Tim Harvey <tharvey at irobot.com> wrote:

> I've seen the recent patches to support GSPI devices and I wonder what
> kind of throughput has been acheived on those?

I have a blackfin BF548 evaulation board, running an SPI bus at 30 MHz.
I have gotten performance from if_spi.c as high as 3-4 Mbits / sec
(measured with iperf.)

Colin



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