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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Charles Krinke <ckrinke@istor.com>
Cc: Randy Brown <rbrown@istor.com>,
	Chris Carlson <ccarlson@istor.com>,
	Kevin Smith <ksmith@istor.com>,
	linuxppc-embedded@ozlabs.org
Subject: Re: How do external irq's get mapped?
Date: Fri, 27 Apr 2007 22:42:48 +0400	[thread overview]
Message-ID: <46324428.7070401@ru.mvista.com> (raw)
In-Reply-To: <9F3F0A752CAEBE4FA7E906CC2FBFF57C06A1F0@MERCURY.inside.istor.com>

Hello.

Charles Krinke wrote:
> As I understand it, the 8541 and 8555 have 12 external IRQ[0..11], 21
> internal interrupts, and 4 messaging interrupts.

> In looking at the MPC8555ERM.pdf file, which is my main resource, it
> looks like the internal interrupt numbers for the 1st TSEC are 19 for
> transmit and 20 for receive.

> A 'cat /proc/interrupts' shows the 1st TSEC transmit as 93 and the
> receive as 94, so I am puzzled how we get from 19 to 93 for the transmit
> and from 20 to 94 for the receive. Perhaps understanding this will help

   I'd suspect you also have CPM on this SoC (or have CONFIG_CPM* wrongly enabled?).

> me figure out what number to put into the pci_dev structure for external
> IRQ0.

   Could you post your /proc/interrupts?

 > Charles Krinke

WBR, Sergei

  reply	other threads:[~2007-04-27 18:41 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-26 16:10 gcj & PPC405 Patrick Olinet
2007-04-26 18:36 ` IRQ questions & puzzles Charles Krinke
2007-04-27 15:17   ` Charles Krinke
2007-04-27 15:41   ` Jon Loeliger
2007-04-27 16:55     ` How do external irq's get mapped? Charles Krinke
2007-04-27 17:03       ` Sergei Shtylyov
2007-04-27 17:35         ` Jon Loeliger
2007-04-27 17:38         ` Charles Krinke
2007-04-27 17:46           ` Sergei Shtylyov
2007-04-27 18:05             ` Charles Krinke
2007-04-27 18:42               ` Sergei Shtylyov [this message]
2007-04-27 19:34                 ` Charles Krinke
2007-04-27 20:58                 ` Charles Krinke
2007-04-27 21:23                   ` Andy Fleming
2007-04-27 22:51                     ` Charles Krinke
2007-04-28  2:30                       ` Zhang Wei-r63237
2007-04-30 16:25                       ` I2C support for 8541 Charles Krinke
2007-05-02 10:43                         ` Clemens Koller
2007-10-13 13:52                         ` Vitaly Bordug
2007-04-30 14:32                 ` How do external irq's get mapped? Charles Krinke
2007-05-01  0:22                   ` Andy Fleming
2007-05-01 23:11                     ` Charles Krinke
2007-05-02 18:42                       ` Andy Fleming
2007-05-02 22:11                         ` Charles Krinke
2007-05-02 22:43                           ` Andy Fleming
2007-05-03 20:19                             ` Charles Krinke

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