From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/5 v1] integrator: do not test first part of the memory
Date: Sun, 16 Oct 2011 17:51:39 +0200 [thread overview]
Message-ID: <4E9AFD8B.9040505@aribaud.net> (raw)
In-Reply-To: <1316332361-18454-1-git-send-email-linus.walleij@linaro.org>
Hi Linus,
Le 18/09/2011 09:52, Linus Walleij a ?crit :
> When booting from Flash, the Integrator remaps its flash memory
> from 0x24000000 to 0x00000000, and starts executing it at
> 0x00000000. This ROM thus hides the RAM underneath and first
> 0x40000 bytes of the memory cannot be tested by get_ram_size().
> So let's test from 0x40000 to the end of detected memory
> instead.
Is this masking of RAM by FLASH a hardware thing that cannot be avoided?
Can't the U-Boot startup code somehow remap the FLASH elsewhere, and
then proceed to really test the whole RAM?
Amicalement,
--
Albert.
next prev parent reply other threads:[~2011-10-16 15:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-18 7:52 [U-Boot] [PATCH 3/5 v1] integrator: do not test first part of the memory Linus Walleij
2011-10-16 15:51 ` Albert ARIBAUD [this message]
2011-10-17 11:57 ` Linus Walleij
2011-10-21 23:47 ` Albert ARIBAUD
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