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Date:      Sat, 4 Mar 2023 08:21:22 +0100
From:      Emmanuel Vadot <manu@bidouilliste.com>
To:        Karl Denninger <karl@denninger.net>
Cc:        "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: uBoot broken on RPI2 Model B?
Message-ID:  <20230304082122.aa28fdf4e18f53fa58618329@bidouilliste.com>
In-Reply-To: <a1ce1685-4d82-566e-ec35-a878592ebd0c@denninger.net>
References:  <a1ce1685-4d82-566e-ec35-a878592ebd0c@denninger.net>

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On Fri, 3 Mar 2023 16:12:48 -0500
Karl Denninger <karl@denninger.net> wrote:

> Just tried to build -13STABLE for the RPi2 and ran into this (I'm using=20
> Crochet and have had to make some changes to the board-specific files,=20
> but it appears the problem that results in it not working is in uboot;=20
> I've made a number of changes since it looks like the system now wants=20
> to boot off EFI as opposed to what worked in -12, which would be ok if=20
> it can find the boot device -- I think (may be wrong here)
>=20
> U-Boot 2023.01 (Jan 26 2023 - 04:25:18 +0000)
>=20
> DRAM:=A0 948 MiB
> RPI 2 Model B (0xa21041)
> Core:=A0 70 devices, 13 uclasses, devicetree: board
> MMC:=A0=A0 mmc@7e300000: 1
> Loading Environment from FAT... ** Bad device specification mmc 0 **
> In:=A0=A0=A0 serial
> Out:=A0=A0 vidconsole
> Err:=A0=A0 vidconsole
> Net:=A0=A0 No ethernet found.
> starting USB...
> Bus usb@7e980000: USB DWC2
> scanning bus usb@7e980000 for devices... 3 USB Device(s) found
>  =A0=A0=A0=A0=A0=A0 scanning usb for storage devices... 0 Storage Device(=
s) found
> Hit any key to stop autoboot:=A0 0
> U-Boot>
>=20
> Needless to say if I let it try to continue it fails as it can't find=20
> the SD card and "mmc dev" shows nothing present.
>=20
> Obviously going to dig into this further myself but I recalled something=
=20
> about this uBoot version being broken on older Pis...
>=20
> The layout of the disk on the boot partition is thus:
>=20
> root@NewFS:/mnt # ls -la
> total 12679
> drwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 16384 Dec 31=A0 1979 .
> drwxr-xr-x=A0 35 root=A0 wheel=A0=A0=A0=A0=A0=A0 42 Jan 20 10:16 ..
> drwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0=A0 4096 Feb 13 11:09 EFI
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0=A0=A0 709 Feb 13 11:09 README
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 26745 Feb 13 11:09 bcm2709-rpi-=
2-b.dtb
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 52456 Feb 13 11:09 bootcode.bin
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0=A0=A0 141 Feb 13 11:09 config.t=
xt
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0=A0 7314 Feb 13 11:09 fixup.dat
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0=A0 3187 Feb 13 11:09 fixup_cd.d=
at
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 10298 Feb 13 11:09 fixup_db.dat
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 10298 Feb 13 11:09 fixup_x.dat
> drwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 20480 Feb 13 11:09 overlays
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0=A0 21169 Feb 13 11:09 rpi2.dtb
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0 2952960 Feb 13 11:09 start.elf
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0 793116 Feb 13 11:09 start_cd.elf
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0 4794472 Feb 13 11:09 start_db.elf
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0 3704808 Feb 13 11:09 start_x.elf
> -rwxr-xr-x=A0=A0 1 root=A0 wheel=A0=A0 521916 Feb 13 11:09 u-boot.bin
>=20
> root@NewFS:/mnt # ls -laR EFI
> total 24
> drwxr-xr-x=A0 1 root=A0 wheel=A0=A0 4096 Feb 13 11:09 .
> drwxr-xr-x=A0 1 root=A0 wheel=A0 16384 Dec 31=A0 1979 ..
> drwxr-xr-x=A0 1 root=A0 wheel=A0=A0 4096 Feb 13 11:09 BOOT
>=20
> EFI/BOOT:
> total 140
> drwxr-xr-x=A0 1 root=A0 wheel=A0=A0=A0 4096 Feb 13 11:09 .
> drwxr-xr-x=A0 1 root=A0 wheel=A0=A0=A0 4096 Feb 13 11:09 ..
> -rwxr-xr-x=A0 1 root=A0 wheel=A0 133812 Feb 13 11:09 bootarm.efi
>=20
> root@NewFS:/mnt # more config.txt
> init_uart_clock=3D3000000
> enable_uart=3D1
> kernel=3Du-boot.bin
> kernel7=3Du-boot.bin
> dtoverlay=3Dmmc
> audio_pwm_mode=3D2
> dtparam=3Daudio=3Don,i2c_arm=3Don,spi=3Don
>=20
> root@NewFS:/mnt # ls -la overlays | grep mmc
> -rwxr-xr-x=A0 1 root=A0 wheel=A0=A0=A0 1221 Feb 13 11:09 mmc.dtbo
>=20
> Which I BELIEVE should work -- assuming that I can get "see" the SD card=
=20
> from u-boot that is....
>=20
> Installed rpi-related packages:
>=20
> root@NewFS:/mnt # pkg info|grep rpi
> rpi-firmware-1.20210303.g20210303 Firmware for RaspberryPi Single Board=20
> Computer
> u-boot-rpi2-2023.01=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Cross-build das u-bo=
ot for model rpi2
> u-boot-rpi3-2023.01=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Cross-build das u-bo=
ot for model rpi3
> u-boot-rpi4-2023.01=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Cross-build das u-bo=
ot for model rpi4
>=20
> --=20
> Karl Denninger
> karl@denninger.net
> /The Market Ticker/
> /[S/MIME encrypted email preferred]/

 I would not be the first time that a u-boot update break booting on a
board. I didn't test on RPI* the last two (or three) update.
 Just to be sure could you test the official image ? Latest armv7
14-CURRENT snapshot should have the last u-boot.

 Cheers,

--=20
Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>



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