RE: ARM juno R2 board USB Issue (EHCI probe failed)

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Hi Sudeep,

-----Original Message-----
From: Sudeep Holla [mailto:sudeep.holla@xxxxxxx] 
Sent: Tuesday, September 27, 2016 2:38 PM
To: Sajjan, Vikas C <vikas.cha.sajjan@xxxxxxx>; Vikas Sajjan <sajjan.linux@xxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx
Cc: Sudeep Holla <sudeep.holla@xxxxxxx>; mark.rutland@xxxxxxx; lorenzo.pieralisi@xxxxxxx
Subject: Re: ARM juno R2 board USB Issue (EHCI probe failed)



On 27/09/16 09:55, Sajjan, Vikas C wrote:
> Hi Sudeep,
>
> -----Original Message-----
> From: Sudeep Holla [mailto:sudeep.holla@xxxxxxx]
> Sent: Tuesday, September 27, 2016 2:21 PM
> To: Vikas Sajjan <sajjan.linux@xxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx; 
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx
> Cc: Sudeep Holla <sudeep.holla@xxxxxxx>; mark.rutland@xxxxxxx; 
> lorenzo.pieralisi@xxxxxxx; Sajjan, Vikas C <vikas.cha.sajjan@xxxxxxx>
> Subject: Re: ARM juno R2 board USB Issue (EHCI probe failed)
>
> Hi Vikas,
>
> On 27/09/16 09:14, Vikas Sajjan wrote:
>> Adding USB mailing list.
>>
>>
>> On Tue, Sep 27, 2016 at 12:33 PM, Sajjan, Vikas C 
>> <vikas.cha.sajjan@xxxxxxx> wrote:
>>> Hi All,
>>>
>>> I working on ARM juno R2 board, with latest kernel 4.8.rc7 and I get 
>>> below USB EHCI probe error while booting with acpi=force.
>>>
>
> Are you using the latest UEFI EDK2 ?
> No, I am still using the UEFI binary which came as part of the Juno board.
>
>
>>> [    1.223662] VFIO - User Level meta-driver version: 0.3
>>> [    1.229335] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>>> [    1.235882] ehci-pci: EHCI PCI platform driver
>>> [    1.240359] ehci-platform: EHCI generic platform driver
>>> [    1.245619] ehci-platform ARMH0D20:00: Error: DMA mask configuration failed
>>> [    1.272491] ehci-platform: probe of ARMH0D20:00 failed with error -5
>>> [    1.278876] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>>> [    1.285071] ohci-pci: OHCI PCI platform driver
>>> [    1.289548] ohci-platform: OHCI generic platform driver
>>> [    1.294884] usbcore: registered new interface driver usb-storage
>>> [    1.301231] mousedev: PS/2 mouse device common for all mice
>>> [    1.307197] rtc-efi rtc-efi: rtc core: registered rtc-efi as rtc0
>>>
>>> But this error goes off, if I don't force ACPI booting, i.e., if I 
>>> remove acpi=force from kernel command line , USB is detected  and my 
>>> RFS which is in the usb drive, gets mounted successfully.
>>>
>
> As I mentioned in private, I do get the same error if I drop _CCA in 
> USB object of ACPI DSDT. Can you give it a spin with latest UEFI ?
>
> Sure, will try with latest UEFI.
>

I bet that's 8-12 months old. It puts the banner during boot with the build date. You can try to follow [1] or access it from [2]

I was able boot the kernel without any EHCI failure and could get to the shell prompt using the EDK2 in [2].
Thanks for help.

Thanks and Regards
Vikas Sajjan
--
Regards,
Sudeep

[1] https://community.arm.com/docs/DOC-11395
[2]
http://snapshots.linaro.org/member-builds/armlt-platforms-release/32/juno-uefi.zip
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