From: jumpingProgrammer <rabbitzp@163.com>
To: linuxppc-dev@ozlabs.org
Subject: Re: Using DMA interrupt on MPC8313
Date: Mon, 23 Jun 2008 22:54:28 -0700 (PDT) [thread overview]
Message-ID: <18084260.post@talk.nabble.com> (raw)
In-Reply-To: <329782.75894.qm@web83515.mail.sp1.yahoo.com>
I use this in 8313erdb.dts, but can not find DMA info in
/proc/interrupts.why?
dma@8030 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "fsl,elo-dma";
cell-index = <0>;
reg = <8030 2d0>; /* DMA general status register */
ranges = <0 8100 200>;
dma-channel@0 {
compatible = "fsl,elo-dma-channel";
cell-index = <0>;
reg = <0 80>;
interrupt-parent = <700>;
interrupts = <47 8>;
};
dma-channel@1 {
compatible = "fsl,elo-dma-channel";
cell-index = <1>;
reg = <80 80>;
interrupt-parent = <700>;
interrupts = <47 8>;
};
dma-channel@2 {
compatible = "fsl,elo-dma-channel";
cell-index = <2>;
reg = <100 80>;
interrupt-parent = <700>;
interrupts = <47 8>;
};
dma-channel@3 {
compatible = "fsl,elo-dma-channel";
cell-index = <3>;
reg = <180 80>;
interrupt-parent = <700>;
interrupts = <47 8>;
};
}
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next prev parent reply other threads:[~2008-06-24 5:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 19:35 Using DMA interrupt on MPC8313 Ron Madrid
2008-06-12 19:47 ` Kumar Gala
2008-06-12 20:04 ` Ron Madrid
2008-06-12 23:01 ` Kumar Gala
2008-06-13 19:02 ` Ron Madrid
2008-06-13 23:33 ` Kumar Gala
2008-06-13 23:52 ` Ron Madrid
2008-06-13 23:54 ` Timur Tabi
2008-06-14 0:19 ` Ron Madrid
2008-06-16 14:11 ` Timur Tabi
2008-06-16 14:44 ` Kumar Gala
2008-06-16 17:13 ` Ron Madrid
2008-06-16 17:32 ` Scott Wood
2008-06-16 18:07 ` Ron Madrid
2008-06-16 18:11 ` Timur Tabi
2008-06-16 18:40 ` Scott Wood
2008-06-16 19:10 ` Ron Madrid
2008-06-24 5:54 ` jumpingProgrammer [this message]
2008-06-24 18:04 ` Scott Wood
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