From owner-freebsd-arm@freebsd.org  Thu Oct  8 16:33:59 2020
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From: Kyle Evans <kevans@freebsd.org>
Date: Thu, 8 Oct 2020 11:33:45 -0500
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Subject: Re: RPi4B: emmc2bus dma-range handling does not track the
 boot-time-FDT (u-boot based booting)
To: Mark Millard <marklmi@yahoo.com>
Cc: freebsd-arm <freebsd-arm@freebsd.org>
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On Thu, Oct 8, 2020 at 4:01 AM Mark Millard via freebsd-arm
<freebsd-arm@freebsd.org> wrote:
>
> sys/gnu/dts/arm/bcm2711.dtsi reports:
>
>         /*
>          * emmc2 has different DMA constraints based on SoC revisions. It was
>          * moved into its own bus, so as for RPi4's firmware to update them.
>          * The firmware will find whether the emmc2bus alias is defined, and if
>          * so, it'll edit the dma-ranges property below accordingly.
>          */
> [... snip ...]

I have no words for how annoying this is.

Thanks,

Kyle Evans