On Monday 25 October 2021 17:15:14 Stefan Roese wrote:
> Hi Pali,
> 
> On 25.10.21 16:42, Pali Rohár wrote:
> > On Monday 25 October 2021 16:39:44 Stefan Roese wrote:
> > > Hi Marek,
> > > 
> > > On 25.10.21 15:12, Marek Behún wrote:
> > > > From: Marek Behún <marek.be...@nic.cz>
> > > > 
> > > > Hello Stefan,
> > > > 
> > > > these are another improvements for kwboot, please apply only after 
> > > > series
> > > >     arm: mvebu: nandpagesize support for kwbimage v1
> > > 
> > > I'm checking right now and have applied the 3 NAND patches on current
> > > master. But this patchset fails at this one:
> > > 
> > > tools: kwboot: Do not modify kwbimage header before increasing its size
> > > 
> > > [stefan@ryzen u-boot-marvell (kwboot-test1)]$ git am -3 ~/tmp/kwboot2/*
> > > Applying: tools: kwboot: Initialize rfds to zero
> > > Applying: tools: kwboot: Fix initialization of tty device
> > > Applying: tools: kwboot: Reserve enough space for patching kwbimage in
> > > memory
> > > Applying: tools: kwboot: Validate 4-byte image data checksum
> > > Applying: tools: kwboot: Inject baudrate change back code after data part
> > > Applying: tools: kwboot: Recalculate 4-byte data checksum after injecting
> > > baudrate code
> > > Applying: tools: kwboot: Correctly set configuration of UART for BootROM
> > > messages
> > > Applying: tools: kwboot: Show verbose message when waiting for baudrate
> > > change magic
> > > Applying: tools: kwboot: Simplify code for aligning image header
> > > Applying: tools: kwboot: Do not modify kwbimage header before increasing 
> > > its
> > > size
> > > error: sha1 information is lacking or useless (tools/kwboot.c).
> > > error: could not build fake ancestor
> > > Patch failed at 0010 tools: kwboot: Do not modify kwbimage header before
> > > increasing its size
> > > hint: Use 'git am --show-current-patch=diff' to see the failed patch
> > > When you have resolved this problem, run "git am --continue".
> > > If you prefer to skip this patch, run "git am --skip" instead.
> > > To restore the original branch and stop patching, run "git am --abort".
> > > 
> > > Any idea what's missing here?
> > 
> > Hello! I'm using also this patch:
> > https://patchwork.ozlabs.org/project/uboot/patch/20211021144609.9319-2-p...@kernel.org/
> 
> Ah, yes. That does the trick. Now all patches apply clean. Thanks.
> 
> Testing with all these patches on my AXP target does show, it still
> does not work with baudrate > 115k:
> 
> [stefan@ryzen u-boot-marvell (kwboot-test1)]$ ./tools/kwboot -B 230400 -b
> u-boot-spl.kwb -t
> /dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A1019EGY-if00-port0
> Patching image boot signature to UART
> Injecting binary header code for changing baudrate to 230400 Bd
> Injecting code for changing baudrate back
> Sending boot message. Please reboot the target...|
> Waiting 2s and flushing tty
> Sending boot image header (90112 bytes)...
>   0 %
> [......................................................................]
>  10 %
> [......................................................................]
>  20 %
> [......................................................................]
>  29 %
> [......................................................................]
>  39 %
> [......................................................................]
>  49 %
> [......................................................................]
>  59 %
> [......................................................................]
>  69 %
> [......................................................................]
>  79 %
> [......................................................................]
>  89 %
> [......................................................................]
>  99 % [....       ]
> Done
> 
> U-Boot SPL 2021.10-00908-gc129aa2f173a (Oct 25 2021 - 17:10:55 +0200)
> High speed PHY - Version: 2.1.5 (COM-PHY-V20)
> High speed PHY - Ended Successfully
> DDR3 Training Sequence - Ver 5.7.4
> DDR3 Training Sequence - Ended Successfully
> Trying to boot from BOOTROM
> Returning to BootROM (return address 0xffff0aa0)...
> 
> Changing baudrate to 230400 Bd
> Baudrate was not changed
> 
> 
> xmodem: Protocol error
> [stefan@ryzen u-boot-marvell (kwboot-test1)]$
> 
> 
> Not changing the baudrate still works. Any idea what I should test? Or
> do you have further changes in the queue that I should wait upon?

Could you try to boot with baudrate 115201? This value would trigger to
use baudrate change code and because it is too close to standard 115200
there would be no real change.

And what is the output of following command immediately after kwboot?

stty -F /dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A1019EGY-if00-port0

Also, could try to catch whole strace log and send it to me?

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