U-boot Orange Pi Zero


Recommended Posts

Hi,

 

I try to play with Armbian Stretch mainline kernel 4.14.y on Orange Pi Zero and need for my idea sf funktion (SPI) and i2c in u-boot terminal.
I've build mainline U-Boot but the files in /boot directory from armbian looks so "strange". There is any description how to replace the files or make changes.

 

Thanks for help.

P.S.  Have a lot of experience with uC programming, less with Linux.

Link to post
Share on other sites
Donate and support the project!

Which patches are you using to enable sf command for SPI?  The mainline Allwinner A10 SPI driver does not work with sun8i.  The only driver I've found to work is this older fork.

fork: https://github.com/StephanvanSchaik/u-boot/tree/sunxi-spi

info: https://linux-sunxi.org/Bootable_SPI_flash#SPI_driver

 

2 hours ago, andy_n said:

/boot directory from armbian looks so "strange".

It's been awhile since I've used an official armbian image.  IIRC besides kernel related files, it's just overlays, bootscripts, and dtbs.  Also, a couple of armbian related files that need to be kept if you want the armbian OS scripts to work (armbian-config, etc).

Link to post
Share on other sites

Thanks for answer.

 

I wanted to change defconfig, make u-boot and replace the files but i didn't find any description of armbian u-boot.  

If I understand it right: I can switch SPI or I2C for boot terminal only with new compiling.

I do not want to boot form SPI or I2C only read external memory and change GPIO before booting. 

 

 

 

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...