From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stelian Pop Date: Fri, 10 Oct 2008 10:25:51 +0200 Subject: [U-Boot] [patch 0/2] Some more USB-OHCI bugfixes In-Reply-To: <3efb10970810100021m525ce7dy63cc3dcb0ff90d9@mail.gmail.com> References: <20081008085413.978543174@bohmer.net> <1223541194.6130.9.camel@galileo> <3efb10970810090251l5e9b8680v462dae0fdcc279a@mail.gmail.com> <1223564465.6130.20.camel@galileo> <3efb10970810100021m525ce7dy63cc3dcb0ff90d9@mail.gmail.com> Message-ID: <1223627151.8431.0.camel@galileo> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Le vendredi 10 octobre 2008 ? 09:21 +0200, Remy Bohmer a ?crit : > Hello Stelian, > > >> This clock is required, but is usually _not_ configured by U-boot (for > >> the AT91SAM series) but by the bootstrap code. You could check if the > >> current settings for PLLB matches the settings done by Linux. > > > Bingo ! The bootstrap code does appear to setup some wrong values for > > the PLLB multiplier/divisor. Once I set up the PLLB to use the same > > values as Linux, USB starts to work ! Yay ! > > This is very good news, but it proves again that USB never worked > before on these cores... > Maybe more pieces are missing to get it completely working... No, USB did work before on these cores, as the Atmel guys confirmed. I guess some older versions of AT91Bootstrap had the proper PLLB configuration settings which made USB work... Stelian. -- Stelian Pop