From: Eugene Surovegin <ebs@ebshome.net>
To: MERRITT Nigel <Nigel.Merritt@tenix.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: Interrupts on PPC 405Gr
Date: Thu, 5 Feb 2004 22:43:49 -0800 [thread overview]
Message-ID: <20040206064349.GA7205@gate.ebshome.net> (raw)
In-Reply-To: <200402060645.RAA20828@sprint.tenix.com>
On Fri, Feb 06, 2004 at 05:45:17PM +1100, MERRITT Nigel wrote:
> When calling request_irq, the irq number had to be 30, which is the bit
> in the UIC0_ER register that needs setting. I was passing it 5, which
> is the IRQ I wanted setting. When I changed the IRQ number to 30 it
> worked! I'm not sure if this is a screw up on my part for not passing
> the correct value in the first place, or an error in the Timesys kernel
> (surely the number passed in should be the IRQ required, not the bit
> position in the UIC registers).
It's your error, just think what you have to pass to request_irq if
you want to hook UART0 interrupt...
IRQ5 - is _external_ (to the chip) interrupt line and NOT an interrupt
number. _All_ UIC interrupts are external to the core (but not
all of them are IRQx lines).
Eugene.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-02-06 6:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-06 6:45 Interrupts on PPC 405Gr MERRITT Nigel
2004-02-06 6:43 ` Eugene Surovegin [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-02-06 3:37 MERRITT Nigel
2004-02-06 3:52 ` Eugene Surovegin
2004-02-06 2:47 MERRITT Nigel
2004-02-06 3:08 ` Eugene Surovegin
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