From mboxrd@z Thu Jan  1 00:00:00 1970
From: Albert ARIBAUD <albert.u.boot@aribaud.net>
Date: Sun, 16 Oct 2011 17:51:39 +0200
Subject: [U-Boot] [PATCH 3/5 v1] integrator: do not test first part of
	the memory
In-Reply-To: <1316332361-18454-1-git-send-email-linus.walleij@linaro.org>
References: <1316332361-18454-1-git-send-email-linus.walleij@linaro.org>
Message-ID: <4E9AFD8B.9040505@aribaud.net>
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To: u-boot@lists.denx.de

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.