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From: Martin Mueller <martin@pfump.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] NEC OHCI chip bug
Date: Fri, 17 Dec 2010 08:49:39 +0100	[thread overview]
Message-ID: <4D0B1613.4000805@pfump.org> (raw)
In-Reply-To: <50FD90C65C53FB45BADEEBCD84FF07F20290E555@ATCPCS06.andestech.com>

Hi Gavin,

On 17.12.2010 04:49, gavinguo at andestech.com wrote:
>> not sure if the PCI bus number plays a role here. In our case the PCI
>> window size was not set correctly so that the OHCI access to the PCI
>> bus/RAM was refused.
> 
> I found it strange that 2 devices are detected, and we can get descriptor
> from hub descriptor. And the "Unrecoverable Error" is occurred when
> getting device descriptor from keyboard. So whether this still relate to PCI
> bridge setting problem?

detection might work without PCI slave-initiated transfer and the
root hub is OHCI internal. But - just guessing. If you have double
checked the window there are no more ideas from my side.

Regards,
Martin

  reply	other threads:[~2010-12-17  7:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-17  3:49 [U-Boot] NEC OHCI chip bug gavinguo at andestech.com
2010-12-17  7:49 ` Martin Mueller [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-12-17  9:39 Martin Mueller
2010-12-21  6:43 ` Macpaul Lin
2010-12-17  9:25 gavinguo at andestech.com
2010-12-16  9:46 Martin Mueller
2010-12-16  2:11 gavinguo at andestech.com
2010-12-15 10:19 Martin Mueller
2010-12-15  8:32 gavinguo at andestech.com
2010-12-15  6:21 gavinguo at andestech.com
2010-12-15  7:26 ` Wolfgang Denk

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