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Re: support for multi instance zephyr in same soc

Kumar Gala
 

This has been a long standing issue. Since these are both ARM you can get away with doing something similar to how we handle building different images for SoCs that have 2 different M-class cores.

Look at boards/arm/lpcxpresso54114 for an example

- k

On Jan 30, 2020, at 3:17 PM, Scott Branden <sbranden@gmail.com> wrote:

Hello,

We are currently running zephyr on M7 and linux on A72.

The base M7 support has been upstreamed here:
https://github.com/zephyrproject-rtos/zephyr/commit/54ce0b2d3464d44429108f436a528ece51f866ff

We are now looking at running Zephyr on A72 instead of linux.

But it doesn't look like Zephyr build system will work if we name the board name the same for each CPU ?

Any suggestions on how to name and add support for 2 different instances of Zephyr running on the same board?

In our case: something that might easily achieve this is if upcoming arm64 support was not put under boards/arm but under boards/arm64 and ARCH=arm64 used instead of ARCH=arm....

Regards,
Scott Branden
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