On Thu, Jun 28, 2018 at 4:39 AM, Adam Sampson <a...@offog.org> wrote:
> Hi Jagan and co,
>
> On Mon, May 28, 2018 at 04:48:33PM +0530, Jagan Teki wrote:
>> Allwinner USB PHY handling can be done through driver-model
>> generic-phy so add the generic-phy ops to relevant places on host and
>> musb sunxi driver and enable them in respective SOC's.
>
> This patch series breaks USB support on the A10 Cubieboard, with
> Cubieboard_defconfig. I'm booting off an SD card, with a USB storage
> device plugged into the lower of the two USB ports.
>
> With aa29b11b3f ("Add a sunxi specific function for setting
> squelch-detect") and older versions, everything is OK and u-boot can see
> the USB device:
>
>> starting USB...
>> USB0: USB EHCI 1.00
>> USB1: USB OHCI 1.0
>> USB2: USB EHCI 1.00
>> USB3: USB OHCI 1.0
>> scanning bus 0 for devices... 2 USB Device(s) found
>> scanning bus 2 for devices... 1 USB Device(s) found
>> scanning usb for storage devices... 1 Storage Device(s) found
>
> With dd3228170a ("Switch to use generic-phy"), I get:
>
>> starting USB...
>> USB0: failed to get usb@01c14000 usb PHY
>> probe failed, error -16
>> USB1: failed to get usb@01c14400 usb PHY
>> probe failed, error -16
>> USB2: failed to get usb@01c1c000 usb PHY
>> probe failed, error -16
>> USB3: failed to get usb@01c1c400 usb PHY
>> probe failed, error -16
>> USB error: all controllers failed lowlevel init
>
> And with f5871a66fd ("Drop legacy usb_phy.c") and later versions
> including current master, I get:
>
>> starting USB...
>> USB0: USB EHCI 0.00
>> USB1: USB OHCI 0.0
>> USB2: USB EHCI 1.00
>> USB3: USB OHCI 1.0
>> scanning bus 0 for devices... 1 USB Device(s) found
>> scanning bus 2 for devices... 1 USB Device(s) found
>> scanning usb for storage devices... 0 Storage Device(s) found
>
> Note the 0.00 revision numbers in the EHCI/OHCI lowlevel init output
> there. Any ideas about what might have gone wrong?
>
> Let me know if you need any more information...
Sorry for the inconvenience I've A13 board, let me look at it further.
Jagan.
--
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.
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