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[46.114.112.249]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4391dca34a8sm124804795e9.16.2025.02.09.13.40.13 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Feb 2025 13:40:13 -0800 (PST) From: =?utf-8?Q?Klaus_K=C3=BCchemann?= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.400.131.1.6\)) Subject: Re: fdt based rework Re: Raspbery Pi support (release notes/wiki page) update? Date: Sun, 9 Feb 2025 22:40:01 +0100 References: <668r286o-584q-616o-5nq3-0233r3259qsr@yvfgf.mnoonqbm.arg> <0B39AEF3-27E8-4715-9FA4-6B95D8AFFB3C@googlemail.com> To: Mark Millard , freebsd-arm@freebsd.org In-Reply-To: Message-Id: <5197CCFA-114C-4D7B-A7E5-D36C383610E4@googlemail.com> X-Mailer: Apple Mail (2.3826.400.131.1.6) X-Rspamd-Queue-Id: 4Yrh2S6mGvz3mBw X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US] As you saw, the rp1 driver is compiled into the specific U-Boot version = that I used and the devicetree is handed over to the fbsd-kernel...=20 Or let's say: a hacked u-boot could currently be considered operational = (except currently USB)...=20 but of course freebsd is not ready for use yet... I'm afraid we need an rp1.c driver... The original is available here: https://github.com/raspberrypi/linux/blob/rpi-6.6.y/drivers/mfd/rp1.c but as long as no fbsd developer comes forward who wants/can work on it, = we don't need to talk about it any further or we have to do it = ourselves.. but huh, not that easy and not for everyone Regards K. > Am 09.02.2025 um 18:18 schrieb Mark Millard : > =E2=80=A6 > .. >=20 > FYI: The U-Boot fdt print output is sufficient to essentially > reproduce the live DTB with: It is a complete source and has > vastly bigger output to capture. With a dtc that follows the > same conventions, it can be compiled to produce such a .dtb > file. > =E2=80=A6.. ... >=20 > =3D=3D=3D > Mark Millard > marklmi at yahoo.com