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From: Scott Wood <scottwood@freescale.com>
To: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org, Philippe De Muyter <phdm@macqel.be>
Subject: Re: ARCH=ppc -> ARCH=powerpc : help needed for dts file
Date: Wed, 05 Mar 2008 10:32:33 -0600	[thread overview]
Message-ID: <47CECB21.3060704@freescale.com> (raw)
In-Reply-To: <1204693264.21545.165.camel@pasglop>

Benjamin Herrenschmidt wrote:
> So at this stage, that's not enough information. We need to know exactly how
> you have wired things on your board, and somebody from fsl needs to tell
> me how the ExtIrq are routed to the MPIC on that guy.

This part's easy -- the external IRQ is used as the mpic interrupt 
number as-is (internal IRQs start at 16).

> Once that's done, you seem to have grasped the interrupt map... for any
> device or slot, you provide the mapping between idsel/pirq line on one side,
> and mpic interrupt & sense on the other. For PCI, sense is always 1 for an
> mpic so you mostly have to check your actual MPIC source numbers.
> 
>>From your .dts, I see you've been doing some swizzling of slots using
> interrupts 1...4 ... do that correspond to EXTIRQ 5....8 ?

No, those correspond to the EXT1-4 that are the other side of the #ifdef 
for this board in arch/ppc. :-)

-Scott

  parent reply	other threads:[~2008-03-05 16:32 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-03 14:47 ARCH=ppc -> ARCH=powerpc : help needed for dts file Philippe De Muyter
2008-03-03 14:54 ` Grant Likely
2008-03-03 17:07 ` Scott Wood
2008-03-03 21:05   ` Philippe De Muyter
2008-03-03 21:11     ` Scott Wood
2008-03-03 21:26       ` Philippe De Muyter
2008-03-03 21:41         ` Benjamin Herrenschmidt
2008-03-04  8:19           ` Philippe De Muyter
2008-03-03 21:55         ` Scott Wood
2008-03-04  8:08           ` Philippe De Muyter
2008-03-04  8:22             ` Benjamin Herrenschmidt
2008-03-04  9:10               ` Philippe De Muyter
2008-03-05  4:52                 ` David Gibson
2008-03-05  5:01                 ` Benjamin Herrenschmidt
2008-03-05 16:15                   ` Philippe De Muyter
2008-03-05 20:14                     ` Benjamin Herrenschmidt
2008-03-05 23:34                       ` Philippe De Muyter
2008-03-05 16:32                   ` Scott Wood [this message]
2008-03-05 23:46                     ` Benjamin Herrenschmidt
2008-03-07  0:10                       ` Philippe De Muyter
2008-03-07  0:19                         ` Benjamin Herrenschmidt
2008-03-09 22:31                           ` Philippe De Muyter
2008-03-09 22:36                             ` Benjamin Herrenschmidt
2008-03-11  0:32                             ` David Gibson
2008-03-11 11:46                               ` Philippe De Muyter
2008-03-11 22:42                                 ` David Gibson
2008-05-06 22:54                                 ` Andy Fleming
2008-05-07  7:50                                   ` Philippe De Muyter
2008-05-07  7:54                                     ` Stephen Rothwell
2008-03-03 21:26     ` Benjamin Herrenschmidt
2008-03-04  8:34       ` Philippe De Muyter

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