From: Dan Malek <dmalek@jlc.net>
To: sorin@nitechinc.com
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: IDE on MBX board
Date: Mon, 22 Nov 1999 11:46:59 -0500 [thread overview]
Message-ID: <38397383.8F8677A1@jlc.net> (raw)
In-Reply-To: 99111909331400.01435@splash.nitechinc.com
Sorin Balea wrote:
>
> Hello all
>
> I've noticed that the MBX board has an IDE port. Has anyone been able to
> use it, let's say with a hard disk? Any tips regarding this problem?
Well......Cort had it working once, I tend to break and fix it at
various times. I think right now it is broken......
The IDE has assumed knowledge of PC-style addresses and behavior. To
use things like ATA Flash cards in the PCMCIA of the 8xx, I break the
generic IDE interface. On the 8xx, it is also sensitive to the interrupt
controller. Cort and I are always going back and forth about how to
use the internal interrupt controller in combination with the external
8259. I want things that are more generic to other 8xx boards, and to
get IDE to work you have to make assumptions unique to the MBX.
I understand it would be nice to have the IDE working on the MBX, but
all of the products I have worked with use ATA flash....nothing has
ever used an IDE drive through a PCI/AT bus adapter. This is why code
I tend to check in will allow PCMCIA ATA Flash and not the more complex
external IDE.....it represents products in the field.
-- Dan
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~1999-11-22 16:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-11-19 14:31 IDE on MBX board Sorin Balea
1999-11-22 11:19 ` Neil Blackwood
1999-11-22 16:56 ` Dan Malek
1999-11-22 18:52 ` Cort Dougan
1999-11-22 23:59 ` Dan Malek
1999-11-22 16:46 ` Dan Malek [this message]
1999-11-22 16:22 ` Sorin Balea
1999-11-22 19:54 ` Dan Malek
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