i.MX8M Mini Hangs at ATF when booting from USB

[Peng Fan (OSS)]

On 2022/2/3 2:42, Tom Rini wrote:
> On Wed, Feb 02, 2022 at 02:45:44PM -0300, Fabio Estevam wrote:
>> Hi Marcel,
>>
>> [Adding Tom and Marek]
>>
>> On Wed, Feb 2, 2022 at 2:40 PM Marcel Ziswiler
>> <marcel.ziswiler at toradex.com> wrote:
>>
>>>> The blocker to getting non-dm-spl-usb support for IMX8M appears to be
>>>> the base addresses and instead of adding more of them to imx-regs.h we
>>>> need to get them from DT via of_platdata which nobody has had time to
>>>> dig into yet.
>>>
>>> I was also a little hesitant due to not using DM in SPL might no longer be accepted upstream. What is the
>>> stance on this?
>>
>> My understanding is that there is no requirement to use DM in SPL.
> 
> DM isn't required in SPL, no.  Are we running in to some size limit
> here?  I see SPL_DM being set in a number of imx8m* platforms is why I
> ask.

I still see this as maintainence effort. And mix DM & non-DM code in one
driver is pain. Should we split non-DM code out to a new folder, such as
drivers/non-dm/[usb,mmc,...]/

Thanks,
Peng.

>