Re: bootstrapping nanopi neo2

[bch <brad.harder%gmail.com@localhost>]

On 12/11/17, bch <brad.harder%gmail.com@localhost> wrote:
> I've built an image (same method as (successfully) used for plain
> "neo"), and retrieved u-boot from pkgsrc (for neo2), and written to sd
> card. When I try to boot the device over uart, though, I *immediately*
> get:
>
> U-Boot SPL 2017.11 (Nov 27 2017 - 19:15:54)
> DRAM: 512 MiB
> Trying to boot from MMC1
>

On the rare occasion I get the u-boot repl, these are the parmams I'm
trying to use:

    setenv bootargs root=ld0a
    setenv bootcmd "fatload mmc 0:1 ${kernel_addr_r} netbsd.ub;
fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}; fdt addr ${fdt_addr_r};
bootm ${kernel_addr_r} - ${fdt_addr_r}"
    saveenv

> I don't get a countdown to interrupt, or any other signs of life.
> *Once* I was able to enter u-boot params (I powered device while
> sending interrupt via tip(1), but getting the prompt might have been
> coincidental, as I haven't been able to repeat.
>
> Anybody recognize what's going on here? I've been fiddling w/ this for
> some time now, discussing w/ others, but am not making progress.
>
> Regards,
>
> -bch
>