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Date:      Sat, 10 Oct 2020 02:17:15 +0200
From:      Klaus Cucinauomo <maciphone2@googlemail.com>
To:        Mark Millard <marklmi@yahoo.com>, Kyle Evans <kevans@freebsd.org>, Robert Crowston <crowston@protonmail.com>, freebsd-arm@freebsd.org
Subject:   Re: RPi4B: emmc2bus dma-range handling does not track the boot-time-FDT (u-boot based booting)
Message-ID:  <27E7A6A9-04A4-4B15-96CB-84AE478ED755@googlemail.com>
In-Reply-To: <2FAA304E-045B-4B10-AA14-1E869FB6FD00@yahoo.com>
References:  <D8BDF95A-D6A8-4E95-A0CE-D53068E8355B.ref@yahoo.com> <D8BDF95A-D6A8-4E95-A0CE-D53068E8355B@yahoo.com> <ABE16EA6-49F1-461F-9B8A-6DAA7ED6A18D@googlemail.com> <98BC985D-EAAB-4AFB-AA8F-7391A45C4EBF@yahoo.com> <91324D35-B66A-4674-AE37-45F3DDB736FD@yahoo.com> <2B3F0409-88F2-4EBD-9C39-37929F973C77@yahoo.com> <B3133D77-FA24-4F42-B529-D0B56F48E790@yahoo.com> <CCEEC0AD-B874-4753-AAA1-B3B5B302A30C@googlemail.com> <E82AE086-837C-4CEA-92D5-78A39412F964@yahoo.com> <803EF261-1407-4331-AC56-1D49E05F8382@googlemail.com> <2FAA304E-045B-4B10-AA14-1E869FB6FD00@yahoo.com>

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> Am 09.10.2020 um 23:25 schrieb Mark Millard <marklmi@yahoo.com>:
>=20
> FreeBSD imports lots of linux-dts material that it does not put
> to use. Only some of the imported material is used.
>=20
> release/arm64/RPI3.conf indicates use of:
> (There is not RPi4 release yet.)
>=20
> DTB_DIR=3D"/usr/local/share/rpi-firmware"
> DTB=3D"bcm2709-rpi-2-b.dtb bcm2710-rpi-3-b.dtb =
bcm2710-rpi-3-b-plus.dtb bcm2711-rpi-4-b.dtb"
> . . .
> EMBEDDEDPORTS=3D"sysutils/u-boot-rpi3 sysutils/rpi-firmware"
> . . .
>        UBOOT_DIR=3D"/usr/local/share/u-boot/u-boot-rpi3=E2=80=9C
> =E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6.
>=20
> It is not using sys/gnu/dts/arm64/broadcom/ material.


ah, `forgot to mention  :
[dtb =3D DeviceTree-Blob =3D=3D compiled dts(DeviceTreeSource)]
So the dtb`s you mention are compiled off of the dts.
So I GUESS ;-) that  sys/gnu/dts/arm64/broadcom/  isn=E2=80=99t a dead =
unused directory =E2=80=A6
Regards
K.






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