U-Boot is broken on real N900 HW (Was: Re: [PATCH 00/11] Fixes for Nokia RX-51)

[Pali Rohár]

On Monday 06 April 2020 22:12:33 Pavel Machek wrote:
> On Wed 2020-04-01 00:42:54, Pali Roh??r wrote:
> > On Wednesday 01 April 2020 00:35:07 Pali Roh??r wrote:
> > > This patch series contain fixes for Nokia RX-51 board (aka N900).
> > > After these changes it is possible to run U-Boot in qemu emulator again.
> > > And U-Boot can boot kernel image from RAM, eMMC or OneNAND memory without
> > > problem.
> > 
> > But on real Nokia N900 device is U-Boot crashing in reboot loop.
> > 
> > I do not have serial console for Nokia N900 to debug this issue, but
> > seems that it is related to OMAP I2C and OMAP HS MMC code. Problem is
> > that there is no crash and even no error in qemu emulator so I cannot
> > debug this issue.
> 
> I have a serial cable I do not currently need. Would it help? 

Merlijn already posted output from serial console, and from it looks
like U-Boot is crashing. I'm afraid I cannot debug it even with serial
console as I do not know how what was e.g. changed in U-Boot that I2C
stopped working or why U-Boot crashes on real HW, but in qemu there is
not problem...