From: Heiko Schocher <hs@denx.de>
To: Wolfgang Denk <wd@denx.de>
Cc: Scott Wood <scottwood@freescale.com>,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [PowerPC] MPC8272ADS: fix device tree for 8 MB flash, size
Date: Wed, 13 May 2009 08:27:07 +0200 [thread overview]
Message-ID: <4A0A683B.5010209@denx.de> (raw)
In-Reply-To: <mailman.7754.1242158509.26545.linuxppc-dev@ozlabs.org>
Hello Wolfgang,
> The current device tree for the MPC8272ADS assumes a mapping of 32 MB
> of NOR flash at 0xFE00.0000, while there are actually only 8 MB on
> the boards, mapped at 0xFF80.0000. When booting an uImage with such a
> device tree, the kernel crashes because 0xFE00.0000 is not mapped.
Wouldn;t it be better, if u-boot fixes the device tree entries?
I think, u-boot should know, where the flash begins and ends, and
because this is maybe a dynamic variable for this board, it should
be better, if u-boot fixes this, so no need for adding a device tree
for every board variant.
bye
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Schocher <hs@denx.de>
To: Wolfgang Denk <wd@denx.de>
Cc: linuxppc-dev@ozlabs.org, Scott Wood <scottwood@freescale.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [PowerPC] MPC8272ADS: fix device tree for 8 MB flash, size
Date: Wed, 13 May 2009 08:27:07 +0200 [thread overview]
Message-ID: <4A0A683B.5010209@denx.de> (raw)
In-Reply-To: <mailman.7754.1242158509.26545.linuxppc-dev@ozlabs.org>
Hello Wolfgang,
> The current device tree for the MPC8272ADS assumes a mapping of 32 MB
> of NOR flash at 0xFE00.0000, while there are actually only 8 MB on
> the boards, mapped at 0xFF80.0000. When booting an uImage with such a
> device tree, the kernel crashes because 0xFE00.0000 is not mapped.
Wouldn;t it be better, if u-boot fixes the device tree entries?
I think, u-boot should know, where the flash begins and ends, and
because this is maybe a dynamic variable for this board, it should
be better, if u-boot fixes this, so no need for adding a device tree
for every board variant.
bye
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
next parent reply other threads:[~2009-05-13 6:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.7754.1242158509.26545.linuxppc-dev@ozlabs.org>
2009-05-13 6:27 ` Heiko Schocher [this message]
2009-05-13 6:27 ` [PATCH] [PowerPC] MPC8272ADS: fix device tree for 8 MB flash, size Heiko Schocher
2009-05-14 21:48 ` Scott Wood
2009-05-14 21:48 ` Scott Wood
2009-05-15 5:54 ` Heiko Schocher
2009-05-15 5:54 ` Heiko Schocher
2009-05-15 15:36 ` Scott Wood
2009-05-12 19:06 [PATCH] [PowerPC] MPC8272ADS: fix device tree for 8 MB flash size Wolfgang Denk
2009-05-12 19:06 ` Wolfgang Denk
2009-05-13 10:28 ` Li Yang
2009-05-13 10:28 ` Li Yang
2009-05-13 19:42 ` Wolfgang Denk
2009-05-13 19:42 ` Wolfgang Denk
2009-05-20 13:29 ` Kumar Gala
2009-05-20 13:29 ` Kumar Gala
2009-05-20 14:47 ` Scott Wood
2009-05-20 14:47 ` Scott Wood
2009-06-11 1:51 ` Kumar Gala
2009-06-11 1:51 ` Kumar Gala
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