On 22.02.22 15:48, Neil Armstrong wrote: > On 22/02/2022 13:12, Andreas Färber wrote: >> On 19.02.22 18:16, Heiner Kallweit wrote: >>> On 19.02.2022 17:07, Andreas Färber wrote: >>>> [...] (And most Realtek platforms got >>>> broken by removing the adjustable text base defines.) >>>> >>> I'm not aware of the Realtek platform issue, do you have a link to a >>> related discussion? >> >> Realtek has a boot ROM at the beginning of memory space, which has been >> a problem from the first RFC and for most bootloaders required to tweak >> the kernel's text offset for successful boot. (Some not Open Source (LK) >> and/or not openly flashable.) >> >> http://lists.infradead.org/pipermail/linux-arm-kernel/2017-February/487718.html >> >> >> In 2020 that arm64 feature got removed without any further discussion: >> >> https://lore.kernel.org/all/20200825135440.11288-1-ardb@xxxxxxxxxx/ > > Note the TEXT_OFFSET is only an issue with Amlogic vendor bootloader, > it has never been an issue with mainline U-Boot. There is no mainline U-Boot for Realtek DHC (!= Amlogic Meson) though! More important drivers than LED got blocked here, too, like MMC and USB and pinctrl and clk. And as hinted above, some Realtek boards come with a vendor LK that I can't even patch a downstream version of. Regards, Andreas -- SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Ivo Totev HRB 36809 (AG Nürnberg)
