Re: [PATCH v2 0/2] Add macb support for SiFive FU540-C000

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On Mon, 17 Jun 2019, Alistair Francis wrote:

> > The legacy M-mode U-boot handles the phy reset already, and I’ve been
> > able to load upstream S-mode uboot as a payload via TFTP, and then 
> > load and boot a 4.19 kernel. 
> > 
> > It would be nice to get this all working with 5.x, however there are
> > still
> > several missing pieces to really have it work well.
> 
> Let me know what is still missing/doesn't work and I can add it. At the
> moment the only known issue I know of is a missing SD card driver in U-
> Boot.

The DT data has changed between the non-upstream data that people 
developed against previously, vs. the DT data that just went upstream 
here:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=72296bde4f4207566872ee355950a59cbc29f852

and

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c35f1b87fc595807ff15d2834d241f9771497205

So Upstream U-Boot is going to need several patches to get things working 
again.  Clock identifiers and Ethernet are two known areas.


- Paul

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