Hi Peng, Am Freitag, 7. Februar 2025, 13:02:13 CET schrieb Peng Fan: > On Fri, Feb 07, 2025 at 09:36:09AM +0100, Alexander Stein wrote: > >Mark ocotp as a access-controller and add references on peripherals > >which can be disabled (fused). > > I am not sure whether gpcv2 changes should be included in this patchset > or not. Just add access-controller for fused IP will not work. Well, I was able to successfully boot a i.MX8M Nano DualLite. > i.MX8M BLK-CTRL/GPC will hang if the related power domain is still touched > by kernel. The pgc can't power up/down because clock is gated. Well, with GPU node disabled, no one should enable the power domain. But to be on the safe side I would also add access-controllers to the corresponding power domains as well. > This comment also apply to i.MX8MM/P. Sure. Do you have any information what is actually disabled by those fused? It seems it's the IP and their power domains. Anything else? Best regards, Alexander -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/
