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Sat, 16 Jan 2021 13:24:21 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Skip Tavakkolian Date: Sat, 16 Jan 2021 13:24:09 -0800 Message-ID: Subject: Re: [9fans] Plan9 on Raspberry Pi 400? To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="000000000000baf41005b90b1c75" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 363a6260-5841-11eb-aa5f-ee7afb128bb6 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZmNmMTJjY2EzYTE0ZGM4YS1NYzNkYTcxZTBlNzZlZGFlODBjYzIx?= =?UTF-8?B?YjE3Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mc3da71e0e76edae80cc21b17:1:h27bnXD8zJE4HrNKReAk3ZTWVjN0bjnuqFnVzRQIvo8 --000000000000baf41005b90b1c75 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable regarding /dev/serial, this should be helpful for anyone wanting to set up netboot. If you have a number of RPI's that netboot, the way that the common config.txt is segmented for each board is by using the '[serial number in hex]' section headers. Unfortunately, netboot also requires changing the BOOT_ORDER parameter in EEPROM, which requires access to /dev/mmcblk* and some way of generating the proper .bin format. So Linux is still needed for the initial setup. On Sat, Jan 16, 2021 at 9:13 AM Richard Miller <9fans@hamnavoe.com> wrote: > > I didn't realise the 9pi image was not up to date. > > I'll put a new one on 9p.io today. >=20 > I've done that. Sorry for letting it get out of sync with the kernel > source. >=20 > The new contrib/miller/9pi.img.gz has > - the latest firmware files from the raspberry pi github > - the update to initialise xhci firmware for pi400 and recent pi4 boards > - a tweak to the pi4 gigabit ethernet driver to allow jumbo packets > - a new /dev/serial device from which you can read the board serial number > (I forget why) >=20 > Nothing outside the kernel has changed from the previous image. >=20 ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tfcf12cca3a14dc8a-Mc3da7= 1e0e76edae80cc21b17 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --000000000000baf41005b90b1c75 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
regarding /dev/serial, this should be helpful = for anyone wanting to set up netboot.

If you have a nu= mber of RPI's that netboot, the way that the common config.txt is segme= nted for each board is by using the '[serial number in hex]' sectio= n headers. Unfortunately, netboot also requires changing the BOOT_ORDER par= ameter in EEPROM, which requires access to /dev/mmcblk* and some way of gen= erating the proper .bin format. So Linux is still needed for the initi= al setup.

On Sat, Jan 16, 2021 at 9:13 AM Richard Miller <9fans@hamnavoe.com> wrote:
> I didn't realis= e the 9pi image was not up to date.
> I'll put a new one on 9p.io today.

I've done that. Sorry for letting it get out of sync with the kernel so= urce.

The new contrib/miller/9pi.img.gz has
- the latest firmware files from the raspberry pi github
- the update to initialise xhci firmware for pi400 and recent pi4 boards - a tweak to the pi4 gigabit ethernet driver to allow jumbo packets
- a new /dev/serial device from which you can read the board serial number = (I forget why)

Nothing outside the kernel has changed from the previous image.

=


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