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How to start a DMA transfer in MPC824X?

Question asked by xaio xiangsheng on Apr 10, 2007
Latest reply on Mar 19, 2012 by TomE
The datasheet says that,if I setup the SAR,DAR,BC,I just need to do a 0->1 transition of CS bit,the DMA shall start.But when did that,the DMA has no responce,no interrupt,the status register keeps being 0.Did I forget something??
I did this with a linux driver,I put it here...any help will be very appreciated.