RZG2L and DTB blob from TF-A

[Biju Das]

Hi Mathieu Othacehe,

> -----Original Message-----
> From: Biju Das
> Sent: 18 September 2025 15:41
> To: 'Mathieu Othacehe' <othacehe at gnu.org>
> Cc: marek.vasut at mailbox.org; paul at pbarker.dev; Chris Paterson <Chris.Paterson2 at renesas.com>; u-
> boot at lists.denx.de; anton.reding at landisgyr.com
> Subject: RE: RZG2L and DTB blob from TF-A
> 
> Hi Mathieu Othace,
> 
> > -----Original Message-----
> > From: Mathieu Othacehe <othacehe at gnu.org>
> > Sent: 18 September 2025 15:34
> > Subject: Re: RZG2L and DTB blob from TF-A
> >
> >
> > Hello,
> >
> > > For RZ/G2L that did not happen for some reason.
> > >
> > > I suggest
> > >
> > > push a version TF_A that works with mainline u-boot in github first.
> >
> > That seems like something that can be done first, so that at least
> > there's a way to have Renesas TF-A + U-Boot mainline to work together.
> >
> > > mainline the TF_A first for RZ/G2L, So that the mainline U-boot inline with TF-A.
> >
> > That would be the ideal but it will take more time, so starting by
> > option 1. would at least cover the transition period.
> >
> > I can propose a patch on Renesas TF-A to pass a DTB blob on the RZG2L
> > platform as well. From the snippet you sent me, it looks like you may have one ready somewhere
> though?
> 
> Yes, I shared the details to BSP TF_A team to integrate with v2.9/rz and push it to github.
> This will enable to work on mainline U-boot as well for having single U-boot for all RZ/G2L SoCs.
> 
> I will update you if I get any feedback.
> 

There is a public TF_A [1] that can support mainline RZ/G2{L,LC} U-boot.
I can see fdt_blob setup in [2]

[1]
https://github.com/renesas-rz/rzg_trusted-firmware-a/tree/2.10.5/rz_1.1.0

[2]
https://github.com/renesas-rz/rzg_trusted-firmware-a/blob/2.10.5/rz_1.1.0/plat/renesas/rz/common/bl2_plat_setup.c

Cheers,
Biju