Re: [PATCH 0/2] ARM: decompressor: support AUTO_ZRELADDR and appended DTB

[Geert Uytterhoeven]

Hi Christian,

On Fri, Jan 19, 2024 at 9:14 PM Christian Marangi <ansuelsmth@gmailcom> wrote:
> With this applied and ARM_ATAG_DTB_COMPAT_IGNORE_MEM enabled (more
> info in the related patch) ipq806x can boot right away with AUTO_ZRELADDR
> enabled and a correct memory node defined in DTS.
>
> It's needed to ignore MEM ATAGs as most of the time the values from the
> bootloader are hardcoded and OEM didn't care to actually provide them
> resulting in funny situation where a Netgear R7800 with 512Mb of RAM
> have Uboot passing 1.7GB of RAM with ATAGS.

I guess you still need other values from ATAGS, so building a kernel
without CONFIG_ARM_ATAG_DTB_COMPAT is not an option?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68korg

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds