[U-Boot] U-Boot version issue

[Simon Glass]

+Marcel who is the maintainer

Hi,

On 8 October 2015 at 14:56, ba_f <ba_f at rbg.informatik.tu-darmstadt.de> wrote:
>
> Hello,
>
>
> i have an issue with different U-Boot versions, and i have no clue what's
> the problem.
> Maybe someone's got an idea?
>
> Working on Xilinx' ARM Platform i use U-Boot version
> u-boot-xlnx-xilinx-v14.6.01, and it's all good with that one and even lower
> versions.
> But, using u-boot-xlnx-xilinx-v14.7 or higher results in serious CPU errors:
>
> uboot> fatload mmc 0 0x00ffffc0 bootstrap.uimage
> reading bootstrap.uimage
> 6139968 bytes read in 528 ms (11.1 MiB/s)
> uboot> go 0x01000000

What is that bootstrap program? Maybe you need to turn off the cache
before starting it with the 'dcache off' command?

> ## Starting application at 0x01000000 ...
> undefined instruction
> pc : [<01000004>]       lr : [<3ff74bc0>]
> sp : 3fb51e08  ip : 00002802     fp : 00000000
> r10: 3fb572d8  r9 : 00000002     r8 : 3fb51f40
> r7 : 3ffaff50  r6 : 01000000     r5 : 3fb572dc  r4 : 00000002
> r3 : 01000000  r2 : 3fb572dc     r1 : 3fb572dc  r0 : 00000001
> Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
> Resetting CPU ...
>
>
> I checked autoconf.mk of both version, but none uses Thumb mode.
>
> I already posted this in a similar context. In that thread i thought the
> different platform was the reason for failure.
> But now i'm convinced it is the U-Boot version making trouble.
> The platform in the other thread uses a new xilinx U-boot.
> http://lists.denx.de/pipermail/u-boot/2015-September/228940.html
>
> Now i use the same platform and the same uimage but another U-Boot.
>
>
> Unfortunately, the DIFF between u-boot-xlnx-xilinx-v14.6 and
> u-boot-xlnx-xilinx-v14.7 is 60'000 lines...

Why is there a special Xilinx U-Boot? Can this not be removed in
favour of upstream?

>
>
>
>
> Thank u & have nice day,
>
> ba_f
>
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Regards,
Simon