From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kever Yang <kever.yang@rock-chips.com>
Date: Thu, 21 May 2020 21:35:16 +0800
Subject: PINE64 Rock64 - How to get SPI driver working
In-Reply-To: <ace8651e-d5d9-895c-ab8c-2008a1c64327@gmail.com>
References: <ace8651e-d5d9-895c-ab8c-2008a1c64327@gmail.com>
Message-ID: <e041519e-a687-0852-34be-c0d63821f84d@rock-chips.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

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 ??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.
>