From mboxrd@z Thu Jan  1 00:00:00 1970
From: prathika <prathika@deeopl.com>
Date: Thu, 09 Apr 2009 10:14:31 +0530
Subject: [U-Boot] Interrupt handlers in u-boot
In-Reply-To: <200904081442.01543.sr@denx.de>
References: <49DC8432.8050306@deeopl.com> <200904081442.01543.sr@denx.de>
Message-ID: <49DD7D2F.8050603@deeopl.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

hi,
Thanks for that reply.........I am right away checking those functions 
install_hdlr() and free_hdlr()..will get back about the results in few 
minutes..

Thanks & Regards,
Prathika R

Stefan Roese wrote:
> On Wednesday 08 April 2009, prathika wrote:
>> I am working on u-boot 1.1.6 version for PowerPC 440.
> 
> First of all. v1.1.6 is really old. I suggest that you use the current 
> (latest) version instead.
> 
>> I am using the 
>> hello world application from the examples folder.
>> I had no issues in loading and executing it.
>> Now I have enabled SPI interrupt in the application. I have written for
>> SPI loopback.
>> My issue is, as there is no interrupt handler defined for the SPI in
>> uboot, whenever i execute my application,
>> it says "Masking bogus interrupt for Vector 0x08". I am calling
>> "install_irq_handler" function for assigning my own interrupt handler
>> for SPI as part of my application itself.
>> I can understand that, there is no exclusive handler for SPI in uboot,
>> so it is disabling the SPI interrupt and printing the BOGUS INTERRUPT
>> message.
>> Now how do I get rid of this and have my own interrupt handler??
> 
> You just need to install you "own" interrupt handler. This is done via 
> install_hdlr(). See examples/interrupt.c.
> 
> Best regards,
> Stefan
> 
> =====================================================================
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
> =====================================================================