From: Renaud Barbier <renaud.barbier@ge.com>
To: barebox@lists.infradead.org
Subject: Re: Freescale P1020 Startup
Date: Tue, 29 Apr 2014 11:38:15 +0100 [thread overview]
Message-ID: <535F8117.4090207@ge.com> (raw)
In-Reply-To: <20140422123443.GA16192@gmail.com>
Hello Tobias,
I was away for a week, hence the late answer.
Have you made any progress since you sent this email?
As far as I know, this early in the code there is no difference.
If you have more information on your debug step, I may be able to find
something.
What tool do you use?
cheers,
REnaud
On 22/04/2014 13:34, Tobias Waldekranz wrote:
> Hi, I'm currently trying to bring up a P1020 based board which boots
> from a NOR flash. My board config is based on the existing P2020RDB
> board.
>
> The code faults very early with an instruction TLB error when
> transitioning from the boot page (0xfffff000) to the flash's address
> space (0xeffff000). The TLB has the same valid entries that U-Boot has
> setup at the corresponding point in the code (at the end of
> create_init_ram_area).
>
> I have tried to compare start.S with its U-Boot cousin but alas, my
> PPC assembler fu fails me. Are there any differences between the E500
> cores in the P1020 vs. P2020 that must be taken in to consideration in
> start.S?
>
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prev parent reply other threads:[~2014-04-29 10:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-22 12:34 Tobias Waldekranz
2014-04-29 10:38 ` Renaud Barbier [this message]
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