From: Clemens Koller <clemens.koller@anagramm.de>
To: Nicholas Hickman <nhickman@dtechlabs.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: SPI INT line
Date: Sat, 15 Sep 2007 15:42:27 +0200 [thread overview]
Message-ID: <46EBE143.60106@anagramm.de> (raw)
In-Reply-To: <8140AAF341CC904BA92C3D6A5A1909782F0E9D@ditech-1.ditechllc.com>
Nicholas Hickman schrieb:
> We are developing a system around the mpc8270. On this system we are
> using an ISDN controller connected to the SPI interface of the 8270.
> For the INT line coming from the controller, should this be connected to
> one of the IRQ lines that we typically use for PCI bus, or should we
> connect it to one of the GPIO Group C pins? Currently we have it to
> IRQ4, but I am worried that this is incorrect.
I would use an otherwise unused (even in reference 82xx platforms)
IRQ line and have a look into the kernel and see which
IRQs are free so minimize/eliminate extra patches.
Regards,
--
Clemens Koller
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prev parent reply other threads:[~2007-09-15 13:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 19:26 SPI INT line Nicholas Hickman
2007-09-15 13:42 ` Clemens Koller [this message]
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