From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Yanovich Date: Wed, 22 May 2013 17:21:01 +0400 Subject: [U-Boot] [PATCH] arm: pxa: PXA270 D-Cache as ram In-Reply-To: <201305221504.51701.marex@denx.de> References: <1369087586-1344-1-git-send-email-ynvich@gmail.com> <201305212338.03567.marex@denx.de> <1369227762.12900.55.camel@host5.omatika.ru> <201305221504.51701.marex@denx.de> Message-ID: <1369228861.12900.61.camel@host5.omatika.ru> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Marek Vasut, On Wed, 2013-05-22 at 15:04 +0200, Marek Vasut wrote: > > Concerning the patch in question, is it possible to allow cache for ram > > on PXA270 somehow before we have a final solution? > > I dont mind discussing this further and even using DCache for stack in > board_init_f(), but we must make sure nothing gets broken. If it is possible, I would like to have a configuration option, which allows to use D-Cache as RAM not only on PXA25X, but also on PXA27X. I propose to preserve status-quo for now and only use D-Cache as RAM when it is explicitly configured so. You mentioned in a separate letter, that config options need documenting. This part is missing in my patch, and I'll fix this, if the above is OK.