From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: datacache always disabled when RAM extends to 0xFFFFFFFF
Date: Wed, 27 Aug 2014 21:24:05 +0200 [thread overview]
Message-ID: <201408272124.05258.marex@denx.de> (raw)
In-Reply-To: <1409133055-18860-1-git-send-email-jaccon.bastiaansen@gmail.com>
On Wednesday, August 27, 2014 at 11:50:55 AM, Jaccon Bastiaansen wrote:
> The dram_bank_mmu_setup() function contains a loop to configure the data
> caching policy for each 1 Mbyte page of the RAM memory range. When RAM
> extends to 0xFFFFFFFF, the RAM start address + the RAM size will equal
> 2^32. But because the RAM start address and RAM size are unsigned longs,
> the result of this addition is zero. The loop is therefore not executed
> and the datacache is effectively disabled.
>
> Signed-off-by: Jaccon Bastiaansen <jaccon.bastiaansen@gmail.com>
Yeah, I sent similar patch [1] long ago. Albert, care to pick it please ?
[1] http://lists.denx.de/pipermail/u-boot/2014-August/185254.html
Best regards,
Marek Vasut
prev parent reply other threads:[~2014-08-27 19:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 9:50 [U-Boot] [PATCH] ARM: datacache always disabled when RAM extends to 0xFFFFFFFF Jaccon Bastiaansen
2014-08-27 19:24 ` Marek Vasut [this message]
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