Booting FreeBSD on Rock64

[Denis Polygalov]

Can somebody please explain what is exact
command to switch FreeBSD's serial console
speed to the 1.5Mbps as required by ROCK64 board?

I have u-boot interrupted from auto-loading
and trying to boot FreeBSD via network manually
by typing this:

=> dhcp
tftpboot ${kernel_addr_r} boot/loader.efi
tftpboot ${fdt_addr_r} boot/dtb/rockchip/rk3328-rock64.dtb
bootefi ${kernel_addr_r} ${fdt_addr_r}

After that I can see the FreeBSD loader's menu,
but then kernel hangs during loading.

Is the fact that I can see FreeBSD loader's menu is enough
to ensure that kernel will also inherit and continue use
the correct baud-rate?

How can I be sure that FreeBSD kernel when loaded
will continue to use 1.5Mbps speed or this is not supported
and I have to switch u-boot to something standard (115200)
somehow? If so - how?

thanks in advance,
Denis.

On 18/07/2019 9:58 pm, Emmanuel Vadot wrote:
> On Thu, 18 Jul 2019 21:51:43 +0900
> Denis Polygalov <dpolyg at gmail.com> wrote:
> 
>>> On 16/07/2019 3:01 am, Emmanuel Vadot wrote:
>>>    How did you setup the boot ?
>>
>> download u-boot-flash-spi-rock64.img.xz from here:
>> https://github.com/ayufan-rock64/linux-u-boot/releases
>> and flash it. Remove the microSD card.
>> Setup tftp server and nfs servers.
>> Reset the board, interrupt u-boot and switch to manual mode.
>> Then type in terminal:
>> dhcp
>> tftpboot ${kernel_addr_r} boot/loader.efi
>> tftpboot ${fdt_addr_r} boot/dtb/rockchip/rk3399-rockpro64.dtb
> 
>   You need to 'fdt addr ${fdt_addr_r}' here iirc
> 
>> bootefi ${kernel_addr_r} ${fdt_addr_r}
>>
>>
>>>    Do you have tftpd running so u-boot can download the loader and the
>>> dtb ?
>>
>> yes, I do and I can see in the tftp server logs that both
>> boot/loader.efi
>> and boot/dtb/rockchip/rk3399-rockpro64.dtb
>> are downloaded successfully.
>>
>>>    If you don't have the dtb in $TFTPDIR/dtb/rockchip/ that might be the
>>> problem, I recall the dtb included in u-boot being incomplete.
>>
>> I'm using  dtb that is included into the
>> FreeBSD-13.0-CURRENT-arm64-aarch64-20190711-r349909-memstick.img
>>
>>
>>>    I've just booted mine after updating to r350003+c99cb2e79ed6
>>> without a problem.
>>>
>>
>> Well, I don't see image of this release on the FreeBSD.org server.
>> I guess you mean you compile it from source by yourself?
>>
>>> On 16/07/2019 4:49 am, Peter Jeremy wrote:
>>>> I'm running a Rock64 with
>>>> U-Boot SPL 2017.09-rockchip-ayufan-1035-gd646df03ac (Oct 26 2018 - 08:35:43)
>>>> and booting FreeBSD diskless.
>>
>> I tried this old 1035 u-boot. No luck, same problem.
>>
>> Regards,
>> Denis.
> 
>