From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Warren Date: Thu, 10 Apr 2008 10:09:13 -0400 Subject: [U-Boot-Users] I2C @ MPC8343 In-Reply-To: <47FE07CA.1080702@matrix-vision.de> References: <47FDD1C6.3000205@matrix-vision.de> <47FE07CA.1080702@matrix-vision.de> Message-ID: <47FE1F89.5020900@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Andre Schwarz wrote: > Ben, > > I'm a little confused right now and need to have a closer look. > > The EEPRM is a M24C64 from ST with extended adressing modes. There > might be something going wrong during probe or initial adressing. > > If it's an extended addressing eeprom, you probably need to do 16-bit reads, e.g. i2c md 50.2 0 10 If that doesn't work, it's quite possible that something else has hosed the bus. regards, Ben