From: wael showair <showair2003@yahoo.com>
To: linuxppc-dev@ozlabs.org
Subject: using dma engine on MPC8555 processor
Date: Tue, 27 Jan 2009 04:01:56 -0800 (PST) [thread overview]
Message-ID: <21683674.post@talk.nabble.com> (raw)
Hi All,
i have an evaluation board with MPC8555 processor.
linux kernel 2.6.27
i have read the Documentation of my board, i found that it contains DMA
engine.
i know that there fsldma.c & fsldma.h
all my target is that i want to test the DMA on my board.
i want to transfer data from source to destination & i imagine that the DMA
will raise an interrupt after it finishes the transfer.
so i believe there must be some APIs related to the DMA engine which do the
following:
1. initialize the DMA by determining the src & dest addresses. Also
determines which channel to use.
2. register an interrupt handler for the DMA interrupt line.
3. fire the DMA.
where can i find these APIs, or i m missing something?
thanks in advance for ur help
--
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next reply other threads:[~2009-01-27 12:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-27 12:01 wael showair [this message]
2009-01-28 10:52 ` using dma engine on MPC8555 processor wael showair
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