[PATCH] arm: dts: bcm283x: Allow UARTs to work before relocation

[Matthias Brugger]

Hi Simon,

On 02/12/2019 16:45, Tom Rini wrote:
> On Sun, Dec 01, 2019 at 07:33:56PM -0700, Simon Glass wrote:
> 
>> At present the pinctrl nodes are not enabled in pre-relocation U-Boot so
>> the UARTs do not correctly select the pinconfig to enable the UART pins.
>> Fix this so that the U-Boot banner is printed.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> Fixes: 9821636b64 (bcm2835_pinctrl: Probe pre-reloc)
>> ---
>>
>>  arch/arm/dts/bcm283x-u-boot.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm/dts/bcm283x-u-boot.dtsi b/arch/arm/dts/bcm283x-u-boot.dtsi
>> index 36548dad62..68d03627f4 100644
>> --- a/arch/arm/dts/bcm283x-u-boot.dtsi
>> +++ b/arch/arm/dts/bcm283x-u-boot.dtsi
>> @@ -19,3 +19,11 @@
>>  &gpio {
>>  	u-boot,dm-pre-reloc;
>>  };
>> +
>> +&uart0_gpio14 {
>> +	u-boot,dm-pre-reloc;
>> +};
>> +
>> +&uart1_gpio14 {
>> +	u-boot,dm-pre-reloc;
>> +};
> 
> I think this is superseded by the RPi PR that I had been testing and
> just now pushed.  Can you confirm that master is fine on your Pis as
> well?  I gather you hit this failure doing pytest on the board, which is
> also how I found it.  Thanks!
> 

Can you confirm if this is working with master branch or if we still need your
patch. In which situation would we need your patch then?

Regards,
Matthias