[U-Boot] sf probe failed on Intel DNV-NS platform

[Bin Meng]

Hi Hilbert,

On Thu, Jun 13, 2019 at 10:00 AM Hilbert Tu(杜睿哲_Pegatron)
<Hilbert_Tu at pegatroncorp.com> wrote:
>
> Hi Bin,
>
> I have just tried 'make coreboot_defconfig' and I can boot into U-Boot from Coreboot now. But "sf probe" still failed with same error:
> ----------------------------------------------------------
> => sf probe
> Invalid bus 0 (err=-19)
> Failed to initialize SPI flash at 0:0 (error -19)
> ----------------------------------------------------------
> I saw there was uclass 72,73,74 for spi by "dm uclass" command but I cannot see any spi information from "dm tree". Do you have any idea about this?

Is this DNV SPI controller supported in ich-spi driver? If not, you
may see such issue. Can you debug a little bit?

Regards,
Bin