From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Simek Date: Fri, 11 Jul 2008 08:59:32 +0200 Subject: [U-Boot-Users] [PATCH] I2C Dummy Driver In-Reply-To: References: <1215712408-23567-3-git-send-email-ricardo.ribalda@uam.es> <20080710200329.B5549242FF@gemini.denx.de> Message-ID: <487704D4.4030805@seznam.cz> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Ricardo, > Hi Wolfgang > >> What is the intention or practical use of this dummy driver? > > > I developed this driver for two reasons, > > I wanted a dummy driver to test the i2c subsystem > I wanted a way of use the ddr2 autoconfiguration for ppc440 without i2c. > > >>> +#if defined(CONFIG_DUMMY_I2C) >>> +u8 i2c_dummy_buffer[256]={0x80,0x8,0x8,0x0D,0x0A,0x60,0x40,0x0,0x5,0x3D,0x50,0x0,0x82,0x10,0x0,0x0,0x0C,0x4,0x18,0x1,0x4,0x0,0x1,0x50,0x50,0x0,0x0,0x3C,0x28,0x3C,0x2D,0x40,0x25,0x37,0x10,0x22,0x3C,0x1E,0x1E,0x0,0x0,0x3C,0x69,0x80,0x1E,0x28,0x0,0x0,0x0, >>> 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x12,0xC9,0x2C,'0','0','0','0','0','0','0',0x0,'4','H','T','F','3','2','6','4','H','Y','-','5','3','E','D','3',0x3,0x0,0x0,0x0,0x0}; >> Line way too long. >> >> Maybe you also want to explain where these magic data is coming from >> or what it means? > > It is the identification data of my ddr2 memory. I think you will have to recoded it for better understanding. M > I will redo this patch and sent it again if you consider it useful for > the mainline. > > > Best Regards and thanks for your comments > > >> -- >> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel >> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany >> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de >> "Plan to throw one away. You will anyway." >> - Fred Brooks, "The Mythical Man Month" >> > > >