From: Pete Popov <ppopov@embeddedalley.com>
To: Rodolfo Giometti <giometti@linux.it>
Cc: "'linux-mips@linux-mips.org'" <linux-mips@linux-mips.org>
Subject: Re: USB hangs on AU1100
Date: Thu, 05 May 2005 09:42:41 -0700 [thread overview]
Message-ID: <1115311361.1614.6.camel@localhost.localdomain> (raw)
In-Reply-To: <20050505155435.GA28227@enneenne.com>
On Thu, 2005-05-05 at 17:54 +0200, Rodolfo Giometti wrote:
> Hello,
>
> I'm just using USB host support on a AU1100 developing board (DB1100
> configuration) and i notice that CPU locks in function
> au1xxx_start_hc():
>
> /* wait for reset complete (read register twice; see au1500 errata) */
> while (au_readl(USB_HOST_CONFIG),
> !(au_readl(USB_HOST_CONFIG) & USBH_ENABLE_RD))
> udelay(1000);
>
> while waiting for USB controller to reset. I checked it out and I
> discovered that register USB_HOST_CONFIG is fixed at value 0xe! So the
> controller never reset...
>
> Linux is 2.6.12-rc3 from CVS.
>
> Someone knows whats wrong?
It sounds like this is a custom Au1100 based board? What boot code are
you running? I'm guessing the SOC isn't setup correctly or you have a
HW problem.
Pete
next prev parent reply other threads:[~2005-05-05 16:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-05 15:54 USB hangs on AU1100 Rodolfo Giometti
2005-05-05 16:42 ` Pete Popov [this message]
2005-05-05 17:20 ` Thiemo Seufer
2005-05-05 17:51 ` Maciej W. Rozycki
2005-05-05 18:50 ` Pete Popov
2005-05-05 17:56 ` Ulrich Teichert
2005-05-05 17:56 ` Ulrich Teichert
2005-05-05 19:18 ` Thiemo Seufer
2005-05-06 9:18 ` Rodolfo Giometti
2005-05-06 14:27 ` Rodolfo Giometti
2005-05-06 14:54 ` Dan Malek
2005-05-06 15:51 ` Pete Popov
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