From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Wed, 29 Jun 2011 10:48:32 +0200 Subject: [U-Boot] Not able access External peripherals in PPC440EP In-Reply-To: References: <20110620112633.7589E1222337@gemini.denx.de> Message-ID: <201106291048.33102.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Suresh, On Friday 24 June 2011 12:54:41 suresh kumar wrote: > Thanks for your suggestion. Now i have migrated to uboot v2011.06-rc2 > and the booting sequece is working fine. But the problem still i am > facing is not able access the external periherals like NVRAM and ADC, > DAC etc. What minimum initializations to be done for that. You need at least to configure a TLB mapping and setup the EBC (chip select) for these peripherals. Cheers, Stefan -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-0 Fax: (+49)-8142-66989-80 Email: office at denx.de