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H A D | README | 5da71efa18e8b4eac9afd8bfa13e3c7e7ddde1d0 Thu Sep 03 08:09:44 CDT 2009 Eric Millbrandt <emillbrandt@coldhaus.com> Reset i2c slave devices during init on mpc5xxx cpus
Reset any i2c devices that may have been interrupted during a system reset. Normally this would be accomplished by clocking the line until SCL and SDA are released and then sending a start condtiion (From an Atmel datasheet). There is no direct access to the i2c pins so instead create start commands through the i2c interface. Send a start command then delay for the SDA Hold time, repeat this by disabling/enabling the bus a total of 9 times.
Signed-off-by: Eric Millbrandt <emillbrandt@dekaresearch.com>
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