From: Scott Wood <scottwood@freescale•com>
To: Daniel Ng <daniel_ng11@lycos•com>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: Device Tree setup for 8272-based board
Date: Tue, 23 Dec 2008 10:09:14 -0600 [thread overview]
Message-ID: <49510D2A.4010906@freescale.com> (raw)
In-Reply-To: <loom.20081223T003725-939@post.gmane.org>
Daniel Ng wrote:
> Scott Wood <scottwood <at> freescale.com> writes:
>> cuboot-824x is for 8240, 8245, and similar chips. You want cuboot-pq2.
>
> Hi Scott et al,
>
> I seem to get further with the cuboot-824x file- with the cuboot-pq2 file
Nonetheless, cuboot-pq2 is the correct one.
> the boot sequence doesn't even reach the 'zImage starting' stage. The machine
> reboots just before it should be printing out 'zImage starting'.
What does it print before it reboots? Try disabling the PCI and
localbus setup.
> Is there a way I can get more detailed debug to see what's happening?
printf(). :-)
> Do settings from bd_info struct override the settings from the DTS file?
Yes.
> Also, a lot of the settings passed from u-boot in our 2.6.14 environment are
> plain wrong eg. wrong memory, wrong processor speed. In this case, the correct
> settings are set elsewhere (for memory, it is a kernel parameter ie. mem=32M,
> and the processor speed is set in the 2.6.14 'make menuconfig'). Therefore,
> the machine still boots into Linux correctly. For 2.6.27, would these
> incorrect settings be causing my problems?
Yes, if u-boot is providing junk, then you'll probably want to hack up
the wrapper to ignore it. Or just upgrade u-boot to one that works. :-)
-Scott
next prev parent reply other threads:[~2008-12-23 16:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-19 6:31 Device Tree setup for 8272-based board Daniel Ng
2008-12-19 16:37 ` mingqian
2008-12-19 20:03 ` Scott Wood
2008-12-22 6:57 ` Daniel Ng
2008-12-22 17:37 ` Scott Wood
2008-12-23 0:52 ` Daniel Ng
2008-12-23 16:09 ` Scott Wood [this message]
2008-12-23 23:21 ` Daniel Ng
-- strict thread matches above, loose matches on Subject: below --
2009-01-16 1:22 Daniel Ng
2009-01-16 3:40 ` Daniel Ng
2009-01-16 18:14 ` Scott Wood
2009-01-19 1:58 ` Daniel Ng
2009-01-19 17:29 ` Scott Wood
2009-01-20 7:23 ` Daniel Ng
2009-01-20 16:41 ` Scott Wood
2009-01-21 7:37 ` Daniel Ng
2009-01-21 17:52 ` Scott Wood
2009-01-22 7:47 ` Daniel Ng
2009-01-22 17:05 ` Scott Wood
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