[U-Boot] OMAP USB, beagle-xm fail

[Tom Rini]

On Sun, Mar 18, 2012 at 5:13 PM, Marek Vasut <marex at denx.de> wrote:
> Dear Tom Rini,
>
>> On Mon, Feb 13, 2012 at 4:46 AM, Patil, Rachna <rachna at ti.com> wrote:
>> > Hi Govindraj,
>> >
>> > On Mon, Feb 13, 2012 at 14:29:56, Govindraj wrote:
>> >> Hi Peter,
>> >>
>> >> On Mon, Feb 13, 2012 at 1:52 PM, Peter Meerwald <pmeerw at pmeerw.net> wrote:
>> >> > Hello,
>> >> >
>> >> > the recent OMAP USB changes (43b62393da6dfdd7f503d1b37344463a05ea47b5,
>> >> > 29321c0518d99494ab2a250e5b4f75b3add83b11) fail on beagleboard-xm rev.
>> >> > C, see below
>> >>
>> >> The errors have nothing to do with ehci patch merges, (I had tested it
>> >> on beagle rev c board before posting it out)
>> >>
>> >> Looking into it closely the below two patches are causing this issue:
>> >>
>> >> [...]
>> >> commit 498cbdfe62a8330f6c89765bdd15e60328a26511
>> >> Author: Patil, Rachna <rachna at ti.com>
>> >> Date:   Sun Jan 22 23:46:23 2012 +0000
>> >>
>> >> ARM: AM33XX: Add AM33XX I2C driver support
>> >>
>> >> commit 2faa76196af4b3e93bcb9e38ed9090cbd3b06db3
>> >> Author: Patil, Rachna <rachna at ti.com>
>> >> Date:   Sun Jan 22 23:44:12 2012 +0000
>> >>
>> >> ARM: I2C: I2C Multi byte address support [...]
>> >>
>> >> Reverting these two patches I don't see these errors on my beagle rev c
>> >> board logs as in here [1]
>> >
>> > I have tested these patches on AM335x EVM, AM335x Beaglebone and
>> > OMAP35xx. I did not face any issues w.r.t these EVM's.
>> > I tried i2c probe, read/write and all of it worked as expected.
>> > Also from the logs in [1] I still see an I2C error " wait_for_bb:
>> > I2C_STAT=1000", which is bus busy indication.
>>
>> To be clear, I assume you're looking for one of the omap37xx platforms
>> to see why the busy changes have broken it.  Thanks.
>
> What's the status here?

The i2c changes broke it, and have been reverted.  Taking another pass
at adding i2c for the am33xx platforms is on the list.  I've even done
some usb testing on beagle xM recently and all is well.

-- 
Tom