From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Date: Tue, 19 Feb 2013 22:26:04 +0100 Subject: [U-Boot] imx6, spl and falcon boot In-Reply-To: <5123A976.4090404@boundarydevices.com> References: <0B35E120D483BA4691BC60EACD6C7D8F012ECC27848B@USPHO-MXVS08.amer.thermo.com> <511F35F0.10601@gmail.com> <0B35E120D483BA4691BC60EACD6C7D8F012ECC221105@USPHO-MXVS08.amer.thermo.com> <20130218213635.GA3756@piout.net> <0B35E120D483BA4691BC60EACD6C7D8F012ECC22112B@USPHO-MXVS08.amer.thermo.com> <20130219112532.GB24397@piout.net> <20130219113501.C056F200530@gemini.denx.de> <20130219140017.GA3627@piout.net> <0B35E120D483BA4691BC60EACD6C7D8F012ECC2211DA@USPHO-MXVS08.amer.thermo.com> <5123A976.4090404@boundarydevices.com> Message-ID: <20130219212604.GA25693@piout.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Eric, On Tue, Feb 19, 2013 at 09:33:58AM -0700, Eric Nelson wrote : > Whoosh seems pretty compelling with such a small code base. > Does it really boot faster though? Do you have any numbers > for TTP (Time-to-penguin) on a SABRE Lite or SABRE SD? > I don't exactly have that number but I believe you can go under 100ms. If you have a look at my presentation at ELCE [1] or that video on youtube [2], we basically are able too boot an start an openGL application under 600ms from reset. But that is a lot of self advertising, we can continue to discuss that off the ML if you want. [1] http://www.elinux.org/images/d/d1/Alexandre_Belloni_boottime_optimizations.pdf [2] https://www.youtube.com/watch?v=KPU4_QVPFZ0 Regards, -- Alexandre Belloni