Re: [uCsimm] IRQ6 on uCsimm

From: Ǽ (kwonsk@mutech.co.kr)
Date: Sun Mar 12 2000 - 06:56:46 EST


----- ޽-----
: Geoffrey Wossum <gpw0341@omega.uta.edu>
޴ : ucsimm@uClinux.com <ucsimm@uClinux.com>
: uclinux@c3po.kc-inc.net <uclinux@c3po.kc-inc.net>
¥: 2000 3 12 Ͽ 6:41
: [uCsimm] IRQ6 on uCsimm

>Hello all,
>
>We've built a custom board for the uCsimm that has an I/O coprocessor that
>connects to the uCsimm on PD7/IRQ6.
>
>We ported our device driver the I/O coprocessor, originally for 2.2 x86 to
>the 2.0 uCsimm driver. But when ever we try to request the IRQ6, we just
>get screenfulls of stack traces.
>
>We're setting up the line to be rising edge triggered with IMR and ICR,
>and then using request_irq() to install the top-half ISR. It's dying
>as it's doing this according to our printk()'s.
>
>Questions:
>Setting up IMR and ICR is the right thing to do?
>What irq# do we pass to request_irq()? Right now we're saying 6, but we
>can't find out if this is correct.
>
>Any (fast) help/suggestions/guidance would be greatly appreciated!!
>
>---
>Geoffrey Wossum
>gwossum@acm.org
>Project AKO - http://rover1.uta.edu/~ako
>Internet Imperialists - http://inetimperial.sourceforge.net
>
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http://www.uClinux.com/
>

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