From: Stelian Pop <stelian@popies.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [patch 0/2] Some more USB-OHCI bugfixes
Date: Fri, 10 Oct 2008 10:25:51 +0200 [thread overview]
Message-ID: <1223627151.8431.0.camel@galileo> (raw)
In-Reply-To: <3efb10970810100021m525ce7dy63cc3dcb0ff90d9@mail.gmail.com>
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 <stelian@popies.net>
next prev parent reply other threads:[~2008-10-10 8:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-08 8:54 [U-Boot] [patch 0/2] Some more USB-OHCI bugfixes Remy Bohmer
2008-10-08 8:54 ` [U-Boot] [patch 1/2] fix USB initialisation procedure Remy Bohmer
2008-10-09 12:10 ` Jean-Christophe PLAGNIOL-VILLARD
2008-10-09 13:19 ` Wolfgang Denk
2008-10-09 14:43 ` Markus Klotzbücher
2008-10-09 14:59 ` Stefan Roese
2008-10-09 15:09 ` Markus Klotzbücher
2008-10-09 15:22 ` Jerry Van Baren
2008-10-09 18:45 ` Wolfgang Denk
2008-10-09 19:52 ` Markus Klotzbücher
2008-10-10 7:30 ` Remy Bohmer
2008-10-09 18:42 ` Wolfgang Denk
2008-10-08 8:54 ` [U-Boot] [patch 2/2] The PIPE_INTERRUPT flag is used wrong Remy Bohmer
2008-10-08 10:12 ` [U-Boot] [patch 0/2] Some more USB-OHCI bugfixes Markus Klotzbücher
2008-10-08 10:41 ` Stelian Pop
2008-10-09 8:33 ` Stelian Pop
2008-10-09 9:51 ` Remy Bohmer
2008-10-09 15:01 ` Stelian Pop
2008-10-10 7:21 ` Remy Bohmer
2008-10-10 8:25 ` Stelian Pop [this message]
2008-10-10 8:33 ` Remy Bohmer
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