From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Mueller Date: Fri, 17 Dec 2010 08:49:39 +0100 Subject: [U-Boot] NEC OHCI chip bug In-Reply-To: <50FD90C65C53FB45BADEEBCD84FF07F20290E555@ATCPCS06.andestech.com> References: <50FD90C65C53FB45BADEEBCD84FF07F20290E555@ATCPCS06.andestech.com> Message-ID: <4D0B1613.4000805@pfump.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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