Re: [PATCH] RPi: Enable serial console on RPi 4 B

[Uladzimir Bely <ubely@ilbers.de>]

On Mon, 2025-04-07 at 16:47 +0200, Natalia Tasci wrote:
> Tested with Raspbian Linux 12, baud rate of 115200 bps, 500 lines
> kernel
> log.
> 
> Signed-off-by: Natalia Tasci <nt@ilbers.de>
> ---
>  meta-isar/recipes-bsp/bootconfig-rpi/files/config.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/meta-isar/recipes-bsp/bootconfig-rpi/files/config.txt
> b/meta-isar/recipes-bsp/bootconfig-rpi/files/config.txt
> index 417d53f1..6d742f27 100644
> --- a/meta-isar/recipes-bsp/bootconfig-rpi/files/config.txt
> +++ b/meta-isar/recipes-bsp/bootconfig-rpi/files/config.txt
> @@ -1,5 +1,11 @@
>  [pi3]
>  # Restore UART0/ttyAMA0 over GPIOs 14 & 15
> +# On RPi 3, using mini UART for serial console is unstable.
> +# 1/3 boots produce garbage and doesn't reach login
>  dtoverlay=miniuart-bt
>  
> +[pi4]
> +# Enable mini UART (UART1/ttyS0) for serial console for RPi 4
> +enable_uart=1
> +
>  [all]
> -- 
> 2.39.5

Applied to next.

-- 
Best regards,
Uladzimir.


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