From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Tue, 4 Dec 2007 16:15:03 +0100 Subject: [U-Boot-Users] PPC440EPx: Sequoia board config (EBC0) In-Reply-To: References: Message-ID: <200712041615.03450.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 Frank, On Tuesday 04 December 2007, Frank Bruno wrote: > I am working on a port of u-boot to a PPC440EPx custom board based off of > the Sequoia reference design. > > I have noticed a couple of areas that the stock sequoia u-boot sources > configure the EBC0 & EBC3 with reserved bits, namely the B0CR with 0xDA000, > where bits 19:31 are reserved & B0AP with 0x03017200, where bits 9:11 are > reserved. You're probably just mixing up the bit notation. MSB is bit 0 and LSB is bit 31. Could it be that you thought it was the other way around? > I have searched for an ERRATA in the datasheets but do not see anything > with reference to the EBC peripheral bus. > > Can anyone explain why these bits are set? or has the info for their usage? Please see above. Hope this helps. Best regards, 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 =====================================================================