From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Ludo Van Put <ludo.vanput@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: Oops in IDE probing on ppc_440 when PCI is enabled in strapping
Date: Mon, 14 Sep 2009 08:51:29 -0400 [thread overview]
Message-ID: <20090914125129.GB12372@zod.rchland.ibm.com> (raw)
In-Reply-To: <5edaeed70909140536s53fb36ael4f0cb90abfe327e0@mail.gmail.com>
On Mon, Sep 14, 2009 at 02:36:15PM +0200, Ludo Van Put wrote:
>Hi,
>
>we're working with a PPC440GX on a board that has a.o. a compact flash slot.
>We had the PCI subsystem of the ppc disabled in strapping for quite a while,
>until we wanted to start using it.
>However, when we enabled PCI in the strapping and in the (patched 2.6.10)
2.6.10? Really? If that is truly the case, you probably aren't going to get
a whole lot of help from the list, since that kernel is pretty ancient.
>kernel configuration, we triggered an oops when probing for IDE devices (to
>read out the first 512 bytes of the CF). I can see that the ioremap64 call
>in the driver code for our CF returns a different address (compared to PCI
>disabled in strapping), but using this address later on for accessing the CF
>goes wrong.
Posting the oops output would perhaps help. Or maybe not.
josh
next prev parent reply other threads:[~2009-09-14 12:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-14 12:36 Oops in IDE probing on ppc_440 when PCI is enabled in strapping Ludo Van Put
2009-09-14 12:51 ` Josh Boyer [this message]
2009-09-14 13:08 ` Ludo Van Put
2009-09-15 0:42 ` Benjamin Herrenschmidt
2009-09-15 8:57 ` Ludo Van Put
2009-09-15 9:44 ` Benjamin Herrenschmidt
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