Date: Sun, 9 Feb 2025 07:09:42 -0800 From: Mark Millard <marklmi@yahoo.com> To: =?utf-8?Q?Klaus_K=C3=BCchemann?= <maciphone2@googlemail.com> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-arm@freebsd.org Subject: Re: fdt based rework Re: Raspbery Pi support (release notes/wiki page) update? Message-ID: <DB4B0655-E981-474F-989F-EAEAE820268B@yahoo.com> In-Reply-To: <0B39AEF3-27E8-4715-9FA4-6B95D8AFFB3C@googlemail.com> References: <668r286o-584q-616o-5nq3-0233r3259qsr@yvfgf.mnoonqbm.arg> <0B39AEF3-27E8-4715-9FA4-6B95D8AFFB3C@googlemail.com>
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On Feb 9, 2025, at 06:25, Klaus K=C3=BCchemann = <maciphone2@googlemail.com> wrote: > If developers are interested in bcm2712/RP1 or actually want to work = on it, I could provide resources/infos for it. > If using u-boot the current status is reworking the pcie driver = respectively implement the rp1 mfd =E2=80=A6 > It`s quite new to have netboot possibility , (while quite everything = is unofficial for now, even in u-boot & mainline tux kernel) > To say it simple: not ready for users but O.K. to start developing >=20 . . . > OK load boot/kernel/kernel > boot/kernel/kernel text=3D0x318 text=3D0x99f9b8 text=3D0x2ca7e8 = data=3D0x180670 data=3D0x0+0x371000 0x8+0x16ffc8+0x8+0x1a16ae\ > OK boot > Using DTB provided by EFI at 0x3e6cf000. . . . Not that Klaus will care for his purposes, but . . . FYI: the value listed after "Using DTB provided by EFI at " is what tells me where to reference to print the live DTB content that is handed over to the FreeBSD kernel via U-boot. Historically a warm reboot (no power loss) preserved the content. So I could get back to: Hit any key to stop autoboot:=20 and have it stop and then could then print the DTB content and capture it. For the above, that would be: U-Boot> fdt addr 0x3e6cf000 U-Boot> fdt print =3D=3D=3D Mark Millard marklmi at yahoo.com
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