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Date:      Tue, 25 Oct 2022 09:25:13 +0200
From:      Johan Henselmans <johan@netsense.nl>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: BeagleBone uboot: BeagleBone Green Gateway not defined in uboot?
Message-ID:  <1D4FD611-7420-4E52-9414-67F282DDA4C6@netsense.nl>
In-Reply-To: <50347B94-0B6D-463C-9B87-499EBEA537D7@yahoo.com>
References:  <0EDDBAEA-CA91-4A64-BB93-BCB5D067BE00@netsense.nl> <467642CD-DF11-448C-AACA-43F7FB4DB572@yahoo.com> <50347B94-0B6D-463C-9B87-499EBEA537D7@yahoo.com>

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I made some comments in between on both mails.

> On 24 Oct 2022, at 23:30, Mark Millard <marklmi@yahoo.com> wrote:
>=20
> On 2022-Oct-24, at 14:05, Mark Millard <marklmi@yahoo.com> wrote:
>=20
>> On 2022-Oct-24, at 12:35, Johan Henselmans <johan@netsense.nl> wrote:
>>=20
>>> I have tried to boot a Beaglebone Green Gateway via the current =
GenericSD.img.xz at =
https://download.freebsd.org/ftp/releases/arm/armv7/ISO-IMAGES/13.0/FreeBS=
D-13.0-RELEASE-arm-armv7-GENERICSD.img.xz
>>=20
>> You list 13.0-RELEASE 's image instead of 13.1-RELEASE 's image:
>>=20


Sorry, my mistake, the one I downloaded was 13.1, I copied the wrong =
link. Sorry for the confusion.

>> =
http://ftp3.freebsd.org/pub/FreeBSD/releases/ISO-IMAGES/13.1/FreeBSD-13.1-=
RELEASE-arm-armv7-GENERICSD.img.xz
>>=20
>> (I've no clue if it makes a difference.)
>>=20
>>> The board booted, but it did not have anything functional in the =
sense of wland or ethernet.
>>>=20
>>> So I installed (after putting the SD-card in a BeagleBone Green, =
which was able to find an ethernet port and a working internet =
connection) the beaglebone uboot:
>>> =3D=3D=3D=3D=3D
>>> pkg install sysutils/u-boot-beaglebone
>>> =3D=3D=3D=3D=3D
>>=20
>> pkg install sysutils/u-boot-beaglebone
>>=20
>> only puts things in the likes of:
>>=20
>> /usr/local/share/u-boot/u-boot-beaglebone/
>>=20
>> /usr/local/share/u-boot/u-boot-beaglebone/ probably ended up
>> with a README or some such file name for the content shown
>> below.
>>=20
>> # more /usr/ports/sysutils/u-boot-beaglebone/pkg-descr
>> U-Boot loader for BeagleBone and BeagleBone Black.
>>=20
>> To install this bootloader, copy the files MLO and bb-uboot.img to =
the FAT
>> partition on an SD card or the eMMC.  Normally this is partition 1, =
but
>> different partitions can be set with U-Boot environment variables.
>>=20
>> This version is patched so that:
>> * API features are enabled.
>> * A boot.scr (U-Boot scripts ) that loads ubldr.bin and execute it is =
included
>>=20
>> For information about running FreeBSD on BeagleBone or BeagleBone =
Black, see
>> https://wiki.freebsd.org/FreeBSD/arm/BeagleBone
>>=20
>>=20
>>=20
>> You were not explicit. Did you do as described with MLO
>> and bb-uboot.img ?
>>=20


Yes I did. Only thing I did not know how to do was where to put the =
boot.scr that the READMe mentions.

That is why I reran the script on a Beaglebone, hoping that would =
install the script. Mind you, I am not a
pkg specialist. I do not know how to find out how this script is created =
and where it is supposed to put.
I looked in /usr/port/sysutils/u-boot-master and =
/usr/port/sysutils/u-boot-beaglebone, but could not understand
where this boot.scr was supposed to go


>>=20
>>> That resulted in the message that there was no device tree:
>>> =3D=3D=3D=3D=3D
>>> Loading Environment from EXT4...
>>> ** Unable to use mmc 0:1 for loading the env **
>>> Board: BeagleBone Black
>>> <ethaddr> not set. Validating first E-fuse MAC
>>> BeagleBone Black:
>>> Model: SeeedStudio BeagleBone Green Gateway:
>>> BeagleBone: cape eeprom: i2c_probe: 0x54:
>>> BeagleBone: cape eeprom: i2c_probe: 0x55:
>>> BeagleBone: cape eeprom: i2c_probe: 0x56:
>>> BeagleBone: cape eeprom: i2c_probe: 0x57:
>>> Net:   eth0: MII MODE
>>> cpsw, usb_ether
>>> Press SPACE to abort autoboot in 0 seconds
>>> board_name=3D[A335BNLT] ...
>>> board_rev=3D[GG1A] ...
>>> switch to partitions #0, OK
>>> mmc0 is current device
>>> SD/MMC found on device 0
>>> switch to partitions #0, OK
>>> mmc0 is current device
>>> Scanning mmc 0:1...
>>> Found EFI removable media binary efi/boot/bootarm.efi
>>> libfdt fdt_check_header(): FDT_ERR_BADMAGIC
>>>=20
>>> <snip>
>>> No valid device tree blob found!
>>> WARNING! Trying to fire up the kernel, but no device tree blob =
found!
>>> =3D=3D=3D=3D=3D
>>>=20
>>>=20
>>> How can I add a  device tree blob for the BeagleBone Green Gateway?
>>>=20
>>=20
>> Note: I've no experience with any BeagleBone variant.
>> My comments are rather generic.
>>=20
>=20
> Hmm, I do not see am335x-bonegreen-gateway.dts in any
> of the source code trees I've got for releng/13.0 ,
> releng/13.1 , stable/13 , or main [so: 14] :
>=20
> /usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-bone.dts
> =
/usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-boneblack-wireless.d=
ts
> /usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-boneblack.dts
> /usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-boneblue.dts
> =
/usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-bonegreen-wireless.d=
ts
> /usr/13_0R-src/sys/contrib/device-tree/src/arm/am335x-bonegreen.dts
>=20
> /usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-bone.dts
> =
/usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-boneblack-wireless.d=
ts
> /usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-boneblack.dts
> /usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-boneblue.dts
> =
/usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-bonegreen-wireless.d=
ts
> /usr/13_1R-src/sys/contrib/device-tree/src/arm/am335x-bonegreen.dts
>=20
> /usr/13S-src/sys/contrib/device-tree/src/arm/am335x-bone.dts
> =
/usr/13S-src/sys/contrib/device-tree/src/arm/am335x-boneblack-wireless.dts=

> /usr/13S-src/sys/contrib/device-tree/src/arm/am335x-boneblack.dts
> /usr/13S-src/sys/contrib/device-tree/src/arm/am335x-boneblue.dts
> =
/usr/13S-src/sys/contrib/device-tree/src/arm/am335x-bonegreen-wireless.dts=

> /usr/13S-src/sys/contrib/device-tree/src/arm/am335x-bonegreen.dts
>=20
> /usr/main-src/sys/contrib/device-tree/src/arm/am335x-bone.dts
> =
/usr/main-src/sys/contrib/device-tree/src/arm/am335x-boneblack-wireless.dt=
s
> /usr/main-src/sys/contrib/device-tree/src/arm/am335x-boneblack.dts
> /usr/main-src/sys/contrib/device-tree/src/arm/am335x-boneblue.dts
> =
/usr/main-src/sys/contrib/device-tree/src/arm/am335x-bonegreen-wireless.dt=
s
> /usr/main-src/sys/contrib/device-tree/src/arm/am335x-bonegreen.dts
>=20
> Looks like you would have to establish am335x-bonegreen-gateway.dtb
> another way as things are.
>=20
> I also did not find am335x-bonegreen-gateway.dtb in:
>=20
> https://github.com/torvalds/linux/tree/master/arch/arm/boot/dts/
>=20
> so it would likely be some time before it shows up there for FreeBSD
> to later import.
>=20
> =3D=3D=3D
> Mark Millard
> marklmi at yahoo.com
>=20
>=20

It seems the Beaglebne stuf is located at =
https://github.com/beagleboard/BeagleBoard-DeviceTrees/

There is a am335x-bonegreen-gateway.dts available over there. I don=E2=80=99=
t know why that stuff is not in torvalds tree.
I know that the debian version is created from =
https://github.com/RobertCNelson/omap-image-builder

So my question would be then revolve around: how can I add that version =
to FreeBSD arm? Is there some procedure
documented somehwere how I should do this?


Kind Regards,
Johan Henselmans




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