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

[Tom Rini]

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I think this is superseded by the RPi PR that I had been testing and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!

-- 
Tom
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