ulpi_check_integrity returning error

[Fabio Estevam]

Arnaud,

On Tue, Dec 14, 2010 at 8:17 PM, Fabio Estevam <festevam at gmail.com> wrote:
> Hi Arnaud,
>
> On Tue, Dec 14, 2010 at 2:26 PM, Arnaud Patard
> <arnaud.patard at rtp-net.org> wrote:
> ...
>>
>> Please, read again what I said. I'm not talking of .portsc but of
>> .init. To reach the ulpi, the portsc register should be set to ulpi mode
>> _before_ calling otg_init() in ehci_mxc_drv_probe() but the code is using
>> .portsc/setting portsc in ehci_mxc_setup() which is afaik _after_
>> ehci_mxc_drv_probe().
>
> Ok, I understand what you mean now and I confirmed what you said:
> current code is setting the portsc register after writing to the OTG
> viewport.
>
> The MX31 is by default configured for a USB serial phy, so like you
> stated we need first to setup portsc to work in ULPI mode and after
> that we can read/write the OTG viewport.

I implemented your suggestion and it worked fine on my board. Will
submit a patch shortly, so that others can comment and test it.

Thanks,

Fabio Estevam