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

[Alistair Francis]

On Mon, 2019-06-17 at 20:26 -0700, Paul Walmsley wrote:
> On Mon, 17 Jun 2019, Alistair Francis wrote:
> 
> > > The legacy M-mode U-boot handles the phy reset already, and Iâve
> > > 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.

Yep, Anup has sent patches to U-Boot and OpenSBI.

Alistair

> 
> 
> - Paul