[PATCH] arm: apple: Disable debug UART

[Simon Glass]

Hi Mark,

On Fri, 11 Feb 2022 at 13:00, Mark Kettenis <kettenis at openbsd.org> wrote:
>
> The address of the debug UART varies differs between the M1 and
> the M1 Pro/Max SoCs.  So we have to disable it to make a single
> U-Boot binary that works on all SoC generations.  Leave the
> settings for the base address and clock rate of the M1 in place
> to make it easier to re-enable the debug UART when needed.

How about adding some docs about how to, and what the addresses are?

>
> Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> ---
>  configs/apple_m1_defconfig | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
> index ef5b7ffd1a..396fe63114 100644
> --- a/configs/apple_m1_defconfig
> +++ b/configs/apple_m1_defconfig
> @@ -3,7 +3,6 @@ CONFIG_ARCH_APPLE=y
>  CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
>  CONFIG_DEBUG_UART_BASE=0x235200000
>  CONFIG_DEBUG_UART_CLOCK=24000000
> -CONFIG_DEBUG_UART=y
>  CONFIG_SYS_LOAD_ADDR=0x0
>  CONFIG_USE_PREBOOT=y
>  # CONFIG_DISPLAY_CPUINFO is not set
> --
> 2.35.1
>

Regards,
SImon