[PATCH V6 07/20] configs: am62x_evm_a53_defconfig: Switch to bootstd

[Jan Kiszka]

On 19.02.24 19:37, Jan Kiszka wrote:
> On 17.02.24 12:36, Alexander Sverdlin wrote:
>> Hi Jan!
>>
>> On Sat, 2024-02-17 at 09:42 +0100, Jan Kiszka wrote:
>>>> U-Boot 2024.01 (Feb 15 2024 - 01:43:17 +0100)
>>>>
>>>> SoC:   AM62X SR1.0 HS-FS
>>>> Model: Texas Instruments AM625 SK
>>>> DRAM:  2 GiB
>>>> Core:  56 devices, 23 uclasses, devicetree: separate
>>>> MMC:   mmc at fa10000: 0, mmc at fa00000: 1
>>>> Loading Environment from nowhere... OK
>>>> In:    serial at 2800000
>>>> Out:   serial at 2800000
>>>> Err:   serial at 2800000
>>>> Net:   eth0: ethernet at 8000000port@1
>>>> Hit any key to stop autoboot:  0 
>>>> switch to partitions #0, OK
>>>> mmc1 is current device
>>>> SD/MMC found on device 1
>>>> Failed to load 'uEnv.txt'
>>>> Scanning for bootflows in all bootdevs
>>>> Seq  Method       State   Uclass    Part  Name                      Filename
>>>> ---  -----------  ------  --------  ----  ------------------------  ----------------
>>>> Scanning global bootmeth 'efi_mgr':
>>>> No EFI system partition
>>>> No EFI system partition
>>>> Failed to persist EFI variables
>>>> Scanning bootdev 'mmc at fa00000.bootdev':
>>>> Scanning bootdev 'mmc at fa10000.bootdev':
>>>> Unknown uclass 'usb' in label
>>>> link up on port 1, speed 100, full duplex
>>>> BOOTP broadcast 1
>>>> BOOTP broadcast 2
>>>> BOOTP broadcast 3
>>>> ...
>>>> ---
>>>>
>>>> I suppose TI's BSP has older U-Boot... So it's not providing necessary
>>>> script for BOOTSTD, I suppose?
>>>>
>>>
>>> You can make the BeagleBone boot via EFI, but it requires a hybrid
>>> partition table (ROM loader want DOS, EFI needs GPT). A Debian
>>> integration with this can be found for Isar [1] in this series [2]. It's
>>> only using upstream sources (plus still one u-boot patch to get wifi
>>> working).
>>>
>>> If you want legacy script booting, I suspect you need to flip some extra
>>> switches explicitly by now.
>>
>> Thanks for the hints!
>> I'm wondering, if this was a deliberate "let's stop booting all the
>> pre-existing embedded distros" decision? (buildroot, yocto/meta-ti...)
>>
> 
> FWIW, I'm not seeing other boot methods being specifically disabled in
> beagleplay in 2024.01 or even newer. I didn't try the result, but this
> may actually be some other issue and real bug, nothing obviously intended.
> 

I'm not even sure about this anymore, though there is still a bug, just 
a different one:

...
U-Boot 2024.04-rc2-00040-g3e6f2a94bfc (Feb 20 2024 - 08:42:59 +0100)

SoC:   AM62X SR1.0 GP
Model: BeagleBoard.org BeaglePlay
DRAM:  2 GiB
Core:  98 devices, 27 uclasses, devicetree: separate
MMC:   mmc at fa10000: 0, mmc at fa00000: 1, mmc at fa20000: 2
Loading Environment from nowhere... OK
In:    serial at 2800000
Out:   serial at 2800000
Err:   serial at 2800000
Net:   No ethernet found.

Press SPACE to abort autoboot in 2 seconds
=> print bootmeths 
bootmeths=script extlinux efi pxe
=> bootflow scan -l
Scanning for bootflows in all bootdevs
Seq  Method       State   Uclass    Part  Name                      Filename
---  -----------  ------  --------  ----  ------------------------  ----------------
Scanning bootdev 'mmc at fa00000.bootdev':
  0  efi          ready   mmc          2  mmc at fa00000.bootdev.part_ efi/boot/bootaa64.efi
Scanning bootdev 'mmc at fa10000.bootdev':
  1  extlinux     ready   mmc          1  mmc at fa10000.bootdev.part_ /extlinux/extlinux.conf
Unknown uclass 'usb' in label
"Synchronous Abort" handler, esr 0x86000004, far 0x3030303030303840
elr: 3030302fb0bc0840 lr : 3030302fb0bc0840 (reloc)
elr: 3030303030303840 lr : 3030303030303840
x0 : 00000000ffffffed x1 : 0000000000000000
x2 : 0000000000000002 x3 : 00000000ffb49d30
x4 : 00000000fffd4c00 x5 : 00000000ffb49d50
x6 : 0000000000000000 x7 : 00000000ffb4e890
x8 : 0000000000006924 x9 : 00000000ffb1212c
x10: 0000000000000003 x11: 0000000000006914
x12: 00000000ffb1221c x13: 00000000ffb12b40
x14: 00000000ffb12b40 x15: 00000000ffb12535
x16: 00000000fff8a9d4 x17: 0000000000000000
x18: 00000000ffb23da0 x19: 0000314074726f70
x20: 00000000fffed000 x21: 00000000fffef000
x22: 0000000000000000 x23: 00000000fffef000
x24: 00000000fffef000 x25: 0000000000000000
x26: 00000000fffc7174 x27: 0000000000000000
x28: 0000000000000000 x29: 74656e7265687465

Same with 2024.01 release.

Jan

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