Date: Thu, 01 Apr 2021 14:12:40 +0000 From: Dan Kotowski <dan.kotowski@a9development.com> To: Alexander Kabaev <kabaev@gmail.com> Cc: freebsd-arm@freebsd.org Subject: Re: Any good alternative to Raspberry for Arm64? Message-ID: <Ddcxj7Pgb2JHy5Q-qebjWNQT5DKeFIAAQh85am-X1dSj5MGgPVdsfr35v6wKaPYI_w6_sCKvapke2qD7sZ108muoVVS5vBztVqb8GT6uO_A=@a9development.com> In-Reply-To: <20210331192030.3fb9314f@kan> References: <21BE83BC-0667-44F7-83E4-1664A2BC6017@icloud.com> <74C08272-D40E-42D2-A623-CEE12C661329@googlemail.com> <f3hHexkIDGQX3sr0f3EOMvUZF0x6JsYpzHZ5bcGch0KxWF3MOakIenD2VfjnJG-JM8SAhlUhDCR_3wZalOKMBGvL4Acyhcl0iO8mdsJDUXs=@a9development.com> <8d54c77b-b5bf-cdc9-7ed5-2bfb6504b388@spth.de> <0434D7DE-14A6-4B78-97C4-508C348DB891@googlemail.com> <vzez0VkHT9Md7U5Nh06Nn6nKDC12DHThVAZh1obdLpsDtbrVYoHcBUXa8M-GKvIv30vxHwNCUbAPNyfi6fFaqksopDIO8hOlMPWVkduSe20=@a9development.com> <9ee70ac3b117b6605ce67102c2864f24a2816d90.camel@freebsd.org> <A3BFAEF0-CD88-4C97-9476-0A8F12481958@yahoo.com> <20210331192030.3fb9314f@kan>
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On Wednesday, March 31st, 2021 at 23:20, Alexander Kabaev <kabaev@gmail.com= > wrote: > On Tue, 30 Mar 2021 17:14:01 -0700 > > Mark Millard via freebsd-arm freebsd-arm@freebsd.org wrote: > > > On 2021-Mar-30, at 16:32, Ian Lepore <ian at freebsd.org> wrote: > > > > > On Tue, 2021-03-30 at 22:52 +0000, Dan Kotowski wrote: > > > > > > > > `guess SFP+ would need more special driver-attention ... > > > > > from quick reading around the web I guess the DPAA2 also needs a > > > > > closed source binary blob. > > > > > > > > So this actually comes from NXP, not SolidRun. Linux already has > > > > some/most of what's needed, and the license is GPL-2.0+ OR BSD-3- > > > > Clause so there's hope, but I haven't heard a peep from NXP and > > > > SolidRun doesn't really have the manpower to port to FreeBSD > > > > themselves. > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree= /drivers/net/ethernet/freescale/dpaa2/ > > > > > > That's actually very good news. If it's dual-licensed it can be > > > included in freebsd without any drama. Still needs porting work, or > > > maybe it could run using the linuxkpi stuff? > > > > The files there are a mix: a few list just: > > > > SPDX-License-Identifier: GPL-2.0-only > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > > > or: > > > > SPDX-License-Identifier: GPL-2.0 > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D > > > > or: > > > > // SPDX-License-Identifier: GPL-2.0 > > > > or: > > > > /* SPDX-License-Identifier: GPL-2.0 */ > > > > ( Kconfig Makefile dpaa2-ptp.[ch] dprtc-cmd.h dprtc.[ch] ) > > > > The others (most) list: > > > > // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) > > > > or: > > > > /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ > > > > The Copyrights seem to be Freescale Semiconductor Inc. and/or > > NXP when documented on a file. May be they would be willing > > to add the BSD-3-Clause where it is missing? > > > > =3D=3D=3D > > Mark Millard > > marklmi at yahoo.com > > ( dsl-only.net went > > away in early 2018-Mar) > > If one does not need to run custom firmware on DPAA2 subsystem, then > the only binary blob one needs if an MC firmware which is and always > will be the binary-only thing, per our NXP contacts. MC provides > intermediate layer API that abstracts hardware configuration at somewhat > higher level that DPAA from older Layerscape chips did. MC blob is > freely downloadable and NXP documents MC and DPAA2 interfaces quite > well, but it is a sizable code to write to get things properly > integrated. NXP also ships a lot of their low-level code as part of > DPDK, which is licensed liberally and can be referenced for the > inspiration. Most of fls_dp* files are available there. > > Alexander Kabaev For what it's worth, this SoC is starting to show up in SmartNICs too: https://www.xilinx.com/applications/data-center/network-acceleration/alveo-= sn1000.html I don't have the free cycles or expertise to write/port this code myself, b= ut would love to work with someone who does
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