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Message-ID: <20090910222400.GB26587@Chamillionaire.breakpoint.cc> Date: Fri, 11 Sep 2009 00:24:00 +0200 From: Sebastian Andrzej Siewior <sebastian@...akpoint.cc> To: Scott Wood <scottwood@...escale.com> Cc: linuxppc-dev@...abs.org, Alemao <xcarandiru@...il.com>, linux-kernel@...r.kernel.org Subject: Re: MPC85xx External/Internal Interrupts * Sebastian Andrzej Siewior | 2009-09-10 15:15:44 [+0200]: >* Scott Wood | 2009-09-09 13:28:57 [-0500]: > >>> That's why you always have an offset of 16 between every internal >>> interupt source number in the MPC855ERM document and those weired >>> numbers in the device tree :) >> >>something in the dts bindings that explains it. Am I correct in assuming >>that this particular internal/external split is Freescale-specific and >>not a general OpenPIC thing? >Yes it looks like this. >manual for both of them to check. I also don't have an OpenPIC spec to >check there. I had to say this. Now I got one. According to the OpenPIC there is no such thing as an internal and external interrupt sources. Base + 0x10000 is the first interrupt source register and the number of interrupt sources is specified in the feature register. So the split is a FSL thing. What do you thing about making this clear? Adding into every .dts a comment right on top or maybe in Documentation/powerpc/dts-bindings/fsl/? >> >>-Scott Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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