From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Mon, 4 May 2015 20:02:03 +0200
Subject: [U-Boot] [PATCH 12/24] arm: Allow cleanup_before_linux()
	without disabling caches
In-Reply-To: <CAPnjgZ1khJE6c7NoAnNf4i1ga43L_UBCJ9oTDrAs=53rqwCYqQ@mail.gmail.com>
References: <1430760687-28505-2-git-send-email-sjg@chromium.org>
 <201505041936.38171.marex@denx.de>
 <CAPnjgZ1khJE6c7NoAnNf4i1ga43L_UBCJ9oTDrAs=53rqwCYqQ@mail.gmail.com>
Message-ID: <201505042002.03750.marex@denx.de>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

On Monday, May 04, 2015 at 07:49:16 PM, Simon Glass wrote:
> Hi Marek,

Hi Simon,

> On 4 May 2015 at 11:36, Marek Vasut <marex@denx.de> wrote:
> > On Monday, May 04, 2015 at 07:31:05 PM, Simon Glass wrote:
> >> This function is used before jumping to U-Boot, but in that case we
> >> don't always want to disable caches.
> >> 
> >> Signed-off-by: Simon Glass <sjg@chromium.org>
> >> Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
> > 
> > In which usecase exactly is this applicable please ? :)
> 
> This is sort-of related to "Enable detecting when U-Boot is started
> from SPL" so there are some details there.
> 
> I was able to get SPL to enable the cache and leave it on all the way
> through the verified boot flow (read-only and read-write U-Boot) and
> it saved about 600ms. So in short this refactor allows you to jump
> into U-Boot with the cache still enabled.

Sounds good, thanks for clarifying !

Best regards,
Marek Vasut