Re: P4080 + EHCI driver in uboot

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On Thu, Feb 20, 2014 at 02:48:02PM -0600, Ruchika wrote:
> Hi,
> I've been trying to understand why the uboot code is unable to work with
> USB1.1 devices.
> The board has a hub chip connected to the one of the 2 usb controllers.
> 
> On a USB analyzer:
> I notice on an analyzer that there are no SOF or IN tokens seen on the
> bus at all. After the very first setup packet is sent and ACK'd, there is no
> IN token seen on an the analyzer for the data stage of the Get descriptor
> transaction.
> 
> Uboot debug indicates that the transfer times out.
> 
> The kernel driver appears to be handle USB1.1/USB2.0 well indicating that
> the hub chip connected to the ehci controller is good.
> 
> Has anyone else seen the ppc uboot work with Usb1.1 devices ?

You do realize you sent this to the linux usb mailing list and not the
uboot mailing list?

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