[PATCH 4/4] ARM: imx: imx5: Introduce and use UART_BASE_ADDR(n)

[Stefano Babic]

On 20.05.22 10:11, Stefano Babic wrote:
> On 20.05.22 09:45, Marek Vasut wrote:
>> On 5/20/22 09:30, Stefano Babic wrote:
>>> Hi Marek,
>>>
>>> On 24.04.22 23:44, Marek Vasut wrote:
>>>> Introduce helper macro UART_BASE_ADDR(n), which returns Nth UART base
>>>> address. Convert all board configurations to this new macro. This is 
>>>> the
>>>> first step toward switching CONFIG_MXC_UART_BASE to Kconfig. This is a
>>>> clean up, no functional change.
>>>>
>>>> The new macro contains compile-time test to verify N is in suitable
>>>> range. The test works such that it multiplies constant N by constant
>>>> double-negation of size of a non-empty structure, i.e. it multiplies
>>>> constant N by constant 1 in each successful compilation case.
>>>>
>>>> The non-empty structure may contain C11 _Static_assert(), make use of
>>>> this and place the kernel variant of static assert in there, so that
>>>> it performs the compile-time check for N in the correct range. Note
>>>> that it is not possible to directly use static_assert in compound
>>>> statements, hence this convoluted construct.
>>>>
>>>> Signed-off-by: Marek Vasut <marex at denx.de>
>>>> Cc: Fabio Estevam <festevam at denx.de>
>>>> Cc: Peng Fan <peng.fan at nxp.com>
>>>> Cc: Stefano Babic <sbabic at denx.de>
>>>> ---
>>>
>>> I have not found the reason, but this breaks MX51:
>>
>> All this UART_BASE_ADDR stuff is postponed, just drop for now.
> 
> 
> Ok, understood - I remove them.

Well, there is at least one patch depending on this:

http://patchwork.ozlabs.org/project/uboot/patch/20220505074341.24086-2-peng.fan@oss.nxp.com/

I will first try just to remove the i.MX5 patch, it seems to me that the 
MX51 is the only architecture that cannot be built.

Regards,
Stefano

> 
> Best regards,
> Stefano
> 


-- 
=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================