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Date:      Sun, 28 Mar 2021 16:13:48 -0700
From:      Mark Millard <marklmi@yahoo.com>
To:        Marcin Wojtas <mw@semihalf.com>
Cc:        =?utf-8?Q?Klaus_K=C3=BCchemann?= <maciphone2@googlemail.com>, freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: Any good alternative to Raspberry for Arm64?
Message-ID:  <206AFC1E-88CA-4F3B-897B-14444CE0905C@yahoo.com>
In-Reply-To: <CAPv3WKdiQTJ%2BLSmzc5Ljk9SEAq=S%2BO2effO-10R8sDq1ytaYvg@mail.gmail.com>
References:  <7b284f7718556f1cf0a7a205c98db6b1@pyret.net> <8F8F3491-3E1F-45C8-BF61-09F7557F48A5@googlemail.com> <265dbf9c33f4ce09c702c9d7fae93c9b@pyret.net> <D6C3F9FE-D34F-4CCB-80D6-46AC29F3AD39@gmail.com> <C166F287-91D2-408E-B43B-222D58EA52BD@googlemail.com> <FBC36A5C-3948-4EB3-B7C3-4C16C3D9119E@yahoo.com> <CAPv3WKdiQTJ%2BLSmzc5Ljk9SEAq=S%2BO2effO-10R8sDq1ytaYvg@mail.gmail.com>

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On 2021-Mar-28, at 15:52, Marcin Wojtas <mw@semihalf.com> wrote:

H Mark,

niedz., 28 mar 2021 o 22:15 Mark Millard via freebsd-arm
<freebsd-arm@freebsd.org> napisa=C5=82(a):
>=20
> On 2021-Mar-28, at 12:48, Klaus K=C3=BCchemann via freebsd-arm =
<freebsd-arm at freebsd.org> wrote:
>>=20
>>> Am 28.03.2021 um 21:35 schrieb S=C3=B8ren Schmidt =
<soren.schmidt@gmail.com>:
>>>=20
>>> On 28 Mar 2021, at 21.23, Daniel Engberg =
<daniel.engberg.lists@pyret.net> wrote:
>>>=20
>>>> ESD can kill any type of hardware, there are multiple reasons why =
you shouldn't play around with live hardware and powered off for that =
matter without any protection regarding ESD. Pretty much all hardware =
comes with clear instructions and warnings about it. Without getting too =
technical I say that I have a 3A PSU the runs fine at least for me =
however quality of PSUs is a different story. It's a RockPro64 paired =
with a dual port PCIe NIC however I would recommend higher rated one if =
you plan to attach non external powered USB devices.
>>>>=20
>>>> We only support mainline u-boot, if you're using forks and/or =
patched versions you're kinda "on your own" and there's no (to my =
knowledge) support (yet) upstream for booting off NVME or SATA/AHCI.
>>>=20
>>> Well, at least u-boot2021.01 has all the needed support to boot a =
rockpro64 or pinebookpro from nvme/sata/usb/sd/mmc/net.
>>> If you put u-boot into the SPI-flash it will boot from any of the =
above media.
>>>=20
>>> --
>>> S=C3=B8ren Schmidt
>>> sos@deepcore.dk / sos@freebsd.org
>>> "So much code to hack, so little time=E2=80=9C
>>>=20
>>=20
>> yes, I used 2021.04-rcXX( master, self-compiled)=E2=80=A6 the strange =
thing on Rock960-board was that it needed some reboots
>> until nvme was scanned correctly in u-boot-prompt.
>> Thean it boots FreeBSD straight up and then hangs on mountroot> ( =
because there=E2=80=99s no /dev/nda0 or /dev/nvmeXX).
>> I presume an electrical issue since it was once(only once) detected =
by adding nvme_load=3D=E2=80=9EYES=E2=80=9C& nvd_load=3D=E2=80=9EYES=E2=80=
=9C in rc.conf.
>> The u-boot patch related to nvme on that board also was based on a =
voltage-change .
>> =E2=80=A6 I`ll post some debug-output the next hours=E2=80=A6 (`guess =
pcie has mem alloc issue from dmesg)=E2=80=A6
>>=20
>> Anyone successfully booting from nvme on any aarch64-board ??
>=20
> As reported on the list earlier, I plugged a Optane 480 GiByte
> into a MACCHIATObin Double Shot's PCIe in a system that's microsd
> card had the EDK2-variant build from:
>=20
> =
https://unrelentingtech.s3.dualstack.eu-west-1.amazonaws.com/flash-image-2=
020-07-01-mainline-tfa.bin
>=20
> and the system just worked (/dev/nda0). I updated the FreeBSD in
> this configuration and that booted too.
>=20
> (The Optane was originally initialized while in a amd64 system
> and so was boot-ready when first plugged into an aarch64.)
>=20
> This is not the MACCHIATObin's normal configuration and things
> were put back to normal after the experiment.
>=20
> The MACCHIATObin Double Shot has 4 Cortex-A72 cores.
>=20

MacchiatoBin has fully opensource firmware, with the mainline
edk2/TF-A one can boot FreeBSD with DT or ACPI. The referenced image
from Greg should also be fine. The only significant interface missing
is the built-in PP2 NIC.

EspressoBin (and Armada 3720 in general) is very well supported -
apart from PCIE, everything should work.

Best regards,
Marcin

=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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