[PATCH v2] powerpc: Add support for CZ.NIC Turris 1.x routers

[Marek Behún]

On Mon, 12 Jun 2023 14:07:24 -0400
Tom Rini <trini at konsulko.com> wrote:

> On Wed, Aug 17, 2022 at 10:56:22PM +0200, Pali Rohár wrote:
> 
> > CZ.NIC Turris 1.0 and 1.1 are open source routers, they have dual-core
> > PowerPC Freescale P2020 CPU and are based on Freescale P2020RDB-PC-A board.
> > 
> > Hardware design is fully open source, all firmware and hardware design
> > files are available at Turris project website:
> > 
> > https://docs.turris.cz/hw/turris-1x/turris-1x/
> > https://project.turris.cz/en/hardware.html
> > 
> > This patch adds full U-Boot support for CZ.NIC Turris 1.x routers. P2020
> > BootROM can load U-Boot either from NOR flash or from SD card. So there is
> > defconfig file turris_1x_nor_defconfig which builds NOR version and
> > defconfig file turris_1x_sdcard_defconfig which builds SD card version.
> > 
> > Design of CZ.NIC Turris 1.x routers is based on Freescale P2020RDB-PC-A
> > board, so common board code from boards/freescale/p1_p2_rdb_pc directory is
> > shared and linked also into Turris 1.x U-Boot board code.
> > 
> > Turris 1.x code in this patch uses modern distroboot and can boot Linux
> > kernel from various locations, including NAND, SD card, USB flash disks,
> > NVMe disks or SATA disks (connected to extra SATA/SCSI PCIe controllers).
> > 
> > Signed-off-by: Pali Rohár <pali at kernel.org>  
> 
> To be clear, this is something that if there's still interest in
> upstreaming this platform, this patch needs to be rebased and re-tested
> as it's non-trivially out of date.  In addition:

I promised Pali over a year ago that I will work on this - solve
issues in how things changed in U-Boot and rebase so that it can be
merged.

It is very embarrasing for me that I still haven't done this, and
I really get why Pali is frustrated :-( But I haven't forgotten about
this, I simply really did not have enough time - I've been working on
other things Turris related.

We are currently in the process of hiring new people for kernel
development. Hopefully this will enable me to look into this.

Marek