[U-Boot] U-Boot 2016.01 on Hikey 96

[U-Boot] U-Boot 2016.01 on Hikey 96

[Stefano Babic]

Hi Peter,

I have a Hikey 96 and I wanted to check U-Boot on ARM-64. I followed
your README in hisilicon/hikey and I run all steps without any apparent
issue. U-Boot is current Tom's tree. Just this step:
	sudo bash -x generate_ptable.sh

reports error, because PTABLE is not set. I have simply added
"PTABLE=tiny" in the generate_ptable.sh script, and everything seems
done without any errors.

I can install everything without errors, fastboot worked, but all what I
get is:

debug EMMC boot: print init OK
debug EMMC boot: send RST_N .
debug EMMC boot: start eMMC boot......
load fastboot1!

Switch to aarch64 mode. CPU0 executes at 0xf9801000!

and nothing more, the board hangs - much before U-Boot is started. I see
in your README that all latest versions are taken, for example for ATF.
Do you know if it is still working with the README you pushed, or latest
version for ATF / l_loader/.. can break together with U-Boot ?
Can you give me some hints to go on ?

Thanks,
Stefano

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[U-Boot] U-Boot 2016.01 on Hikey 96

[Peter Griffin]

Hi Stefano,

On 26 January 2016 at 15:58, Stefano Babic <sbabic@denx.de> wrote:

>
> I have a Hikey 96 and I wanted to check U-Boot on ARM-64. I followed
> your README in hisilicon/hikey and I run all steps without any apparent
> issue. U-Boot is current Tom's tree. Just this step:
>         sudo bash -x generate_ptable.sh
>
> reports error, because PTABLE is not set. I have simply added
> "PTABLE=tiny" in the generate_ptable.sh script, and everything seems
> done without any errors.
>

Sorry for the delay in replying, I'm off sick atm, and not really checking
work email.

>
> I can install everything without errors, fastboot worked, but all what I
> get is:
>
> debug EMMC boot: print init OK
> debug EMMC boot: send RST_N .
> debug EMMC boot: start eMMC boot......
> load fastboot1!
>
> Switch to aarch64 mode. CPU0 executes at 0xf9801000!
>

Which UART are you connected to?

Fairly recently ATF, U-Boot and the Linux kernel all switched to a UART
on the low speed connector by default. I wonder if you are still connected
to
the UART exposed on J16 where you have to solder on the connector?

The UARTs on the low speed connector can be easily accessed with
this daughter board https://www.96boards.org/products/mezzanine/uarts/

It is useful to have both connected, as depending on what versions of ATF,
U-Boot and kernel you use, you may get output on both UARTS, and things
will appear to not work.


> and nothing more, the board hangs - much before U-Boot is started. I see
> in your README that all latest versions are taken, for example for ATF.
> Do you know if it is still working with the README you pushed, or latest
> version for ATF / l_loader/.. can break together with U-Boot ?
> Can you give me some hints to go on ?
>

Last version I tested was 2015.10 with the latest versions of ATF at that
point. I will try and test latest version of U-Boot and ATF at some point
when I return beginning of March.

regards,

Peter.