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Re: Orange Pi R1 Plus LTS



On 30/09/2025 02:04, Jonathan A. Kollasch wrote:
On Tue, Sep 30, 2025 at 03:37:43AM +0300, Valery Ushakov wrote:
On Mon, Sep 29, 2025 at 09:16:54 -0500, Jonathan A. Kollasch wrote:

Aside from getting a upstream-style u-boot for it, and a
sufficiently compatible device tree, I'd think it should just work.

I guess, I should be able to re-use the /boot from their linux image,
shouldn't I?  (I'm still very uncomfortable around u-boot).

Not necessarily; the Linux-sourced Device Trees do not have stable
bindings, so you really need a DT that matches the kernels ability to
interpret the DT.  For NetBSD that means matching the version of
DTs already in our tree, and supported by the relevant drivers.


You can normally get vendor u-boot to load the NetBSD (really linux of some version) DTBs to get things working. Vendor u-boot can have its own DTB and bindings that don't necessarily match the DTB provided to the NetBSD kernel.

Typically mainline u-boot will match mainline linux, but it doesn't really have to.

Nick


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