Rare project developers

[Gawen Davey <>]

I wonder how that works then -- the (Q)SFPs are behind two levels of i2c multiplexing. I couldn't see anything that would explain it.

---

From: mc36 <>
Sent: 04 July 2022 11:31
To: Gawen Davey <>; <>; Alexander Gall <>
Cc: Frédéric LOUI <>; Alexander Jeffries <>
Subject: Re: [rare-dev] Access

 

well, not....

all you need is
- astock debian stable
- the sde
- and the patch you did against the sde
- the yaml you gave me to compile for asic but without bsp
- the portmap from stratum
- mentioning port in the bf-p4c's output bf_router.json

br,
cs





On 7/4/22 10:49, Gawen Davey wrote:
> This requires ONLPv2.
> So ONL, but I do have a build guide for ONLP on Ubuntu. But it may be for ONLPv1. As far as I remember, ONLPv2 was essentially abandoned -- There were two commits this year, then
> it goes back to 2020. And we certainly haven't maintained anything ONL for a long time.
>
> If you want to give it a go anyway: https://github.com/APS-Networks/ubuntu-onlp <https://github.com/APS-Networks/ubuntu-onlp>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *From:* mc36 <>
> *Sent:* 04 July 2022 08:44
> *To:* <>; Alexander Gall <>
> *Cc:* Gawen Davey <>; Fr  d  ric LOUI <>; Alexander Jeffries <>
> *Subject:* Re: [rare-dev] Access
> look at this:
>
> https://github.com/stratum/stratum/blob/753270b6061c5efe15ee60178169b8abe032f65e/stratum/hal/bin/barefoot/deb/start-stratum.sh#L54-L63
> <https://github.com/stratum/stratum/blob/753270b6061c5efe15ee60178169b8abe032f65e/stratum/hal/bin/barefoot/deb/start-stratum.sh#L54-L63>
> especially the #L61, that is, everything except the wedges, they bring them up without a bsp!!!
> qsfps work fine without bsp... serdes too... okk, sensors are really missing but heyy...
>
> also: https://github.com/stratum/stratum/blob/main/stratum/hal/bin/barefoot/README.build.md <https://github.com/stratum/stratum/blob/main/stratum/hal/bin/barefoot/README.build.md> 
> // ctrl+f: recommended mode
>
> gawen, how you see it?
>
> thanks,
> cs
>
>
>
> On 7/4/22 09:20, Alexander Gall wrote:
>> On Fri, 1 Jul 2022 19:10:27 +0200, mc36 <> said:
>>
>>> what about this one? :)
>>> https://github.com/stratum/stratum/blob/main/stratum/hal/config/x86-64-inventec-d10064-r0/port_map.json
> <https://github.com/stratum/stratum/blob/main/stratum/hal/config/x86-64-inventec-d10064-r0/port_map.json>
>>
>> Same thing. This will set up the serdes to match the board, but
>> without the BSP none of the i2c-related stuff works. Actually, the
>> Inventec is even more complicated because some of the
>> platform-dependent stuff is currently still supplied by the ONL layer
>> (i2c enumeration, HW sensors, QSFP eeprom access etc.), not the
>> BSP. And the ONL stuff doesn't work on Debian 11 out of the box :(
>>