From: Scott Wood <scottwood@freescale.com>
To: Philippe De Muyter <phdm@macqel.be>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: ARCH=ppc -> ARCH=powerpc : help needed for dts file
Date: Mon, 03 Mar 2008 15:11:08 -0600 [thread overview]
Message-ID: <47CC696C.4090103@freescale.com> (raw)
In-Reply-To: <20080303210532.GA20382@netgate.macqel>
Philippe De Muyter wrote:
> Is the PCI-interrupt map that part of the dts file :
>
> interrupt-map = <
>
> /* IDSEL 0x02 */
> 1000 0 0 1 &mpic 1 1
> 1000 0 0 2 &mpic 2 1
> 1000 0 0 3 &mpic 3 1
> 1000 0 0 4 &mpic 4 1
>
> /* IDSEL 0x03 */
> 1800 0 0 1 &mpic 4 1
> 1800 0 0 2 &mpic 1 1
> 1800 0 0 3 &mpic 2 1
> 1800 0 0 4 &mpic 3 1
>
> ...
Yes.
> I do not understand anything there :(
It maps PCI interrupts to mpic interrupts. The first three cells are
the PCI address (only the device number is unmasked), then the PCI
interrupt (INTA=1, INTB=2, etc.), then a phandle to the parent interrupt
controller, then the interrupt specifier for the parent controller.
-Scott
next prev parent reply other threads:[~2008-03-03 21:10 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 [this message]
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
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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