u-boot 2022-07 on STM32F746G-DISCO

[Simon Glass]

Hi Waldemar,

On Mon, 19 Sept 2022 at 13:48, Waldemar Brodkorb <wbx at openadk.org> wrote:
>
> Hi again,
>
> Waldemar Brodkorb wrote,
>
> > Hi,
> >
> > I am trying to run u-boot on a STM32F746G-DISCO device.
> > I am configuring u-boot with stm32f746-disco_spl_defconfig.
> >
> > But nothing happens on the LCD nor on the serial console.
> > I use screen /dev/ttyACM0 115200 under Linux to connect.
>
> It seems my USB port on my laptop was buggy, after reboot I get
> following output via serial console:
>
> U-Boot SPL 2022.07 (Sep 19 2022 - 13:20:08 +0200)
> Trying to boot from XIP
>
>
> U-Boot 2022.07 (Sep 19 2022 - 13:20:08 +0200)
>
> Model: STMicroelectronics STM32F746-DISCO board
> DRAM:  8 MiB
> Hard fault
> pc : 080087d6    lr : c05aa775    xPSR : a1000000
> r12 : 00000010   r3 : 080087c1    r2 : 0805344d
> r1 : 08008001    r0 : c05aa000
> Resetting CPU ...
>
> resetting ...
>
> I get a Hard fault. I then tried an older version of u-boot using
> the information from https://github.com/fdu/STM32F746G-disco_Buildroot
> as a hint. With U-Boot 2018.11 I get a working binary (I had to
> disable Falcon mode):
>
> U-Boot SPL 2018.11 (Sep 19 2022 - 13:41:50 +0200)
> Trying to boot from XIP
>
>
> U-Boot 2018.11 (Sep 19 2022 - 13:41:50 +0200)
>
> Model: STMicroelectronics STM32F746-DISCO board
> DRAM:  8 MiB
> Flash: 1 MiB
> MMC:   sdio at 40012c00: 0
> In:    serial
> Out:   serial
> Err:   serial
> usr button is at LOW LEVEL
> Net:
> Warning: ethernet at 40028000 (eth0) using random MAC address -
> fe:f8:94:5f:5e:26
> eth0: ethernet at 40028000
> Hit SPACE in 3 seconds to stop autoboot.
> Wrong Image Format for bootm command
> ERROR: can't get kernel image!
> U-Boot >
>
> Seems like a regression to me.

Yes, can you use git bisect to find it?

Regards,
Simon