PINE64 Rock64 - How to get SPI driver working

[Kever Yang]

Jagan may some idea here.


I would suggest you to add some log in the spi/flash driver for bind, 
probe and etc

to check what's wrong.


Thanks,

- Kever

On 2020/5/20 上午7:41, Johannes Krottmayer wrote:
> Hello,
>
> I just compiled U-Boot v2020.04 for a PINE64 Rock media board.
> It compiles fine without errors, but when I try to probe the
> on board flash I get an error:
>
> => sf probe
> Invalid bus 0 (err=-19)
> Failed to initialize SPI flash at 0:0 (error -19)
> =>
>
> SPI is activated in the Device-Tree blob. I also added support
> to the Rockchip SPI driver (added IDS strings for this SoC).
>
> In the device config I added the following:
>
> CONFIG_SPI=y
> CONFIG_ROCKCHIP_SPI=y
> CONFIG_SPI_FLASH=y
>
> But the driver still doesn't work. Output of DM (shortened):
>
> => dm tree
> [...]
>    spi           0  [   ]   rockchip_spi          |-- spi at ff190000
>
>    spi_flash     0  [   ]   spi_flash_std         |   `-- spiflash at 0
> [...]
>
> What is missing? Is there a way to load driver?
>
> Any kind of help is highly appreciated.
>