From: Dan Malek <dan@mvista.com>
To: John_McRoberts@Mitel.COM
Cc: "linuxppc-embedded@lists.linuxppc.org"
<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Hard disk and segmentation violation.
Date: Fri, 05 Oct 2001 11:41:00 -0400 [thread overview]
Message-ID: <3BBDD48C.EBF4CE98@mvista.com> (raw)
In-Reply-To: 85256ADC.00515614.00@kanmta01.software.mitel.com
John_McRoberts@Mitel.COM wrote:
> ioremap: addr=FF000000 to FF000000
> ioremap: addr=30000000 to 30000000
> ioremap: addr=40000000 to 40000000
> ioremap: addr=50000000 to 50000000
This is the whole problem, you can't do this..........
All you did was call ioremap() too early in the kernel initialization
and got 1:1 mapping. The only valid mapping is the first one for
the IMMR space, the other ioremaps have to be done at a later time,
or preferably by the drivers themselves. There are lots of discussions
about this in mailing list archives and FAQs.....
Thanks.
-- Dan
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-10-05 15:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-05 14:50 Hard disk and segmentation violation John_McRoberts
2001-10-05 15:41 ` Dan Malek [this message]
2001-10-05 16:28 ` Steve Rossi
2001-10-05 16:54 ` Dan Malek
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