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Date:      Fri, 13 Aug 2021 17:44:32 -0300
From:      Mitchell Horne <mhorne@freebsd.org>
To:        tuexen@freebsd.org
Cc:        Zaphod Beeblebrox <zbeeble@gmail.com>, freebsd-riscv <freebsd-riscv@freebsd.org>
Subject:   Re: HiFive Unmatched support
Message-ID:  <CADeAsy3ZXS_3K5OjZ9wGc=tjhM83aMJ1X9eGY6jdCpmvmQv4hA@mail.gmail.com>
In-Reply-To: <D2DE30D9-4730-456D-B803-75D9E4C577B7@freebsd.org>
References:  <B20A1CB3-98F3-4697-B06C-073A075DAC1D@freebsd.org> <29bec316-d5b7-501a-1560-b56c97192f41@gmail.com> <E2A20089-0FD1-4D78-B040-B89D4345A61E@freebsd.org> <CADeAsy3GxOyayp=FRu_57X3a3DNyjqCT6Ph3eV-47iY48jSryQ@mail.gmail.com> <D2DE30D9-4730-456D-B803-75D9E4C577B7@freebsd.org>

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On Fri, Aug 13, 2021 at 4:47 PM <tuexen@freebsd.org> wrote:
>
> > On 8. Aug 2021, at 22:35, Mitchell Horne <mhorne@FreeBSD.org> wrote:
> >
> > On Sun, Aug 8, 2021 at 5:13 PM <tuexen@freebsd.org> wrote:
> >>
> >>> On 8. Aug 2021, at 21:59, Zaphod Beeblebrox <zbeeble@gmail.com> wrote:
> >>>
> >>> I've made install images @ https://nextcloud.towernet.ca/s/2XJrwRSeZRojswY
> >> Thanks a lot.
> >>
> >> Does this mean that the HiFive Unmatched can boot from USB, then install on the SSD and
> >> then it boots from the SSD? I was assuming that you need something on the SD card (like
> >> uboot) and configure it to boot from USB or SSD.
> >>
> >
> > A copy of u-boot is still required, but you can just use the SD card
> > shipped with the board for this. It has a boot preference of NVMe >
> > USB > SD. So, you can copy the FreeBSD installer images to a USB, and
> > go through the traditional installation to set up your SSD. Upon
> > reboot you will be in the new system.
> >
> > Eventually we will gain the ability to write a new u-boot to the SPI
> > flash, but there is still some work ahead for this.
> >
> > Since jrtc27's patches just landed, this coming Thursday's 14.0
> > snapshot should include everything needed, likely including the
> > aforementioned superpage fix (D31460).
> I just installed yesterdays snapshot and it works great. However, when
> running 'shutdown -r now', the system powers down. Is this a known issue
> and is there a workaround?
>

This is a known issue, unfortunately without any workaround yet. The
problem is a lack of any reset mechanism in the firmware stack, so the
SBI system reset interface just performs a poweroff. So it is not a
FreeBSD issue, and we will have to wait for a solution upstream.

I found a thread on the SiFive forums discussing this:
https://forums.sifive.com/t/reboot-command/4721

> Best regards
> Michael
> >
> > Cheers,
> > Mitchell
> >
> >
> >> Best regards
> >> Michael
> >>>
> >>> These don't include the most recent bug I found in superpages which jrtc27 fixed --- but turn off superpages in loader.conf and you'll be good...
> >>>
> >>> vm.pmap.superpages_enabled=0 in loader.conf will fix this.
> >>>
> >>> On 2021-08-08 14:58, tuexen@freebsd.org wrote:
> >>>> Dear all,
> >>>>
> >>>> according to https://wiki.freebsd.org/riscv/HiFiveUnmatched support for the
> >>>> HiFive Unmatched is now support by FreeBSD. This is great!
> >>>>
> >>>> Are there any instructions available how to install FreeBSD on an SSD such
> >>>> that it runs from that SSD? Any hints welcome.
> >>>>
> >>>> Best regards
> >>>> Michael
> >>>>
> >>
> >>
>



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