SD communication protocol

Antti Lukats antti.lukats at
Wed May 19 10:03:13 EDT 2010

well we are doing this already
plannning to release SDIO like gadgets that can be used in bens sd slot


On Wed, May 19, 2010 at 4:53 PM, Camilo Andres Diaz Botia
<cadiazb at> wrote:
> I want to create a communication protocol to control any hardware
> device using the sd port as an in/out port. I've been looking
> through the code in
> /openwrt-xburst/build_dir/linux-xburst_qi_lb60/linux-
> s/mmc/,
> and i managed to see the commands that the hots (in this
> case the ben nanonote) sends to a sd card while initializing,
> writing and reading it. However, the driver I've been reading is a
> low level code, I need to find the driver that calls the one in the
> file above and tells it the commands to be sent. So, whereabouts is
> the driver I should modify in order to send the commands I desire?
> Thank you in advance.
> Camilo Diaz
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