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<NekoMay>
jernej: Ah, interesting
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<NekoMay>
I'm sure there's people working on this; RISC-V is especially popular in China
<NekoMay>
Need to find them and connect them with this project
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<jernej>
NekoMay: working on what? note that D1 has a MMU which doesn't conform to RISC-V specs and maintainers are reluctant to add workaround for that
<jernej>
until this is resolved (if at all), there will be no official D1 mainline support
<jernej>
since MMU is very basic requirement
<smaeul>
it's still worth adding the peripherals because they will surely be reused on another chip
<smaeul>
but I am confident the MMU issue will be resolved
<NekoMay>
Isn't it a standard MMU plus custom extensions?
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<MoeIcenowy>
well I think the original problem of the MMU is that it lacks some functionality
<MoeIcenowy>
(it expects full coherency among all peripherals, so no any cache control
<MoeIcenowy>
(well maybe the logical order is it has no cache control so implementers need to have full coherency
<MoeIcenowy>
but as D1 is just an ARM SoC with an extra processor (and ARM CPU masked)
<MoeIcenowy>
it cannot have full coherency, so it needs cache control
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<NekoMay>
MoeIcenowy: Wait, the D1 has an ARM core in it!?
<MoeIcenowy>
NekoMay: but don't worry, you won't be able to access it (at least for now)
<NekoMay>
Heh, still, that's wild
<NekoMay>
Allwinner is definitely a weird company
<plaes>
has anyone seen the layout/decap pics?
<MoeIcenowy>
one tapeout for something ARM + something RV
<MoeIcenowy>
isn't it economic? ;-)
<NekoMay>
It's definitely clever, I have to give them that for sure
<Mangy_Dog>
i never understood why they dont do proper software suport and drivers for there own hardware and just expectt the OS community to just do the work for them.... without any real documentation
<Mangy_Dog>
aqllwinner chips are good
<Mangy_Dog>
but totally let down by the lack of suport
<NekoMay>
Allwinner has better documentation than, say, Realtek
<NekoMay>
But still missing chunks like the media and 2D graphics blocks
<NekoMay>
But yeah, considering they depend on Linux it'd be nice to have some first party direct support like Rockchip
<plaes>
well, IIRC it was Google that pushed Rockchip to do proper upstreaming...
<NekoMay>
The point is they do it, no matter how they got there
<NekoMay>
I think they've come to recognize the benefits of it
<NekoMay>
If only they could get the RK3599 out the door now
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<apritzel>
Allwinner does not really care about Linux support, particularly mainline. What they (or rather their customers) want is probably some Android
<apritzel>
running some Linux distros on their chips is not their business model
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<karlp>
isn't rk still only upstream for the parts that went into chromebooks, and nothing else? or is that slowly merging to all new rk parts?
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<MoeIcenowy>
apritzel: I think at least D1 is not for Android
<MoeIcenowy>
(but it's for their weird "Tina"
<MoeIcenowy>
NekoMay: top chip in rk35xx will be 3588, not 3599
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<anarsoul>
MoeIcenowy: they're 11 short :)
<MoeIcenowy>
anarsoul: what I heard is that it's a Chinese pronounciation thing
<MoeIcenowy>
8 has similar pronounciation with ε , the verb used for "gaining money" in Chinese
<MoeIcenowy>
9 has the same pronounciation with δΉ , an adjective for a time span to be long
<MoeIcenowy>
both are usually considered good words, but 9 is considered to be bad for chips for RK now -- because RK3399 takes long to get the sale amount to be balanced with the fee to design it
<anarsoul>
heh
<anarsoul>
I didn't expect chip manufacturing to be superstitious :)
<MoeIcenowy>
Well many Chinese people believe in these number pronounciation things, so do Japanese people
<gamiee>
Interesting
<gamiee>
apritzel: V5 V536 and V831 / V833 was Tina Linux only SoCs. V5 had 4.4 kernel, and V536+ had 4.9
<jakllsch>
obviously they need a 3513
<jakllsch>
or a H13 or whatever
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<apritzel>
gamiee: well, but Tina Linux is the same model as Android: they ship you some kernel, and you use that. Debian/Ubuntu/SuSE/Fedora is not something AW officially supports
<gamiee>
apritzel: ah you mean it this way, then yes
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