From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Cooper Date: Wed, 27 Apr 2011 11:10:12 -0400 Subject: [U-Boot] boot-up time optimization. Where to start? In-Reply-To: References: Message-ID: <20110427151012.GB14201@localhost> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Wed, Apr 27, 2011 at 03:39:18PM +0200, Simon Schwarz wrote: > So here is my question: Where do you see the most potential to optimize > u-boot? > > I already have two bullets on my list (just some ideas - maybe totally > unrealistic *g*): > - Use Hardware specific copy commands > - build the checksum while moving the kernel to RAM This shouldn't be a matter of opinion/guess work. You should instrument U-Boot first and find out where the time is really being spent. Otherwise you run the classic risk of optimizing something that isn't really a problem. Good luck, I look forward to seeing the results of your analysis. -- Eric Cooper e c c @ c m u . e d u