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<tllim>
my comment about uart0-helloworld-sdboot seems work on H6 EVB is wrong, please ignored. The UART0 was at 0x01c28000, and H6 one is at 0x05000000
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<wens>
tllim: my talk is a bit light on the "identification" parts
<tllim>
hi wens.
<tllim>
identify Allwinner SoC?
<wens>
tllim: identifying make and model of individual peripheral hardware blocks
<tllim>
I see
<KotCzarny>
wens: don't suggest better ways to hide them to allwinner
<KotCzarny>
;)
<tllim>
when you can share your paper, please lets me know. Like to learn from your paper.
<MoeIcenowy>
it's said that new sun3i SoCs have new process ;-)
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<Pe3ucTop>
Question is , when I see in linux-sunxi google group : request for patch apply, and then some response - patch applied, where I could find those applies ? In hich tree / Git / etc ?? I'm interested in DMA for sun6i ...
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<Pe3ucTop>
mripard: Hello, could you help me find patches , which are marked applied by you " [PATCH v4 00/11] dmaengine: sun6i: Fixes for H3/A83T, enable A6 " , from 28 september, and probably newer onces too..
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<mripard>
Pe3ucTop: I never applied them
<mripard>
it's up to the dma maintainer to apply them
<Pe3ucTop>
Oh, sorry, then you give accept for applying? but where code go from / to ?
<Pe3ucTop>
I hardly understand code flow, behind patch mailing list..
<miasma>
the ML is bleeding edge. you might want to wait for official stable/rc releases?
<miasma>
unless your board is unsupported, of course
<Pe3ucTop>
miasma: probably can't wait for stable/rc. I would like to test and improve at the same time.
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<miasma>
Pe3ucTop: then use git and the dev repositories? or copy and paste directly from the ML
<Pe3ucTop>
miasma: Is the main dev repository linux-sunxi branch sunxi-next ? or there are more ??
<MoeIcenowy>
and can be even designed in two-layers
<oliv3r>
a13 = 3.00 euro
<oliv3r>
that's retail
<oliv3r>
albeit from olimex, so their margin is probably low
<oliv3r>
but look at that price
<MoeIcenowy>
In fact V3s is usually used for car recorders
<oliv3r>
to bad the A10s is marked as obsolete :p
<oliv3r>
i wonder how much that costs
<oliv3r>
MoeIcenowy: but see, the a20/a10 is cheap
<MoeIcenowy>
A10s is just really obsolete
<MoeIcenowy>
Oh the $5 price seems to contain AXP203
<oliv3r>
pff, a10s as obsolete as a10 and a13 :)
<MoeIcenowy>
but the V3s reference design uses some more DCDCs
<oliv3r>
anyhow, sun3i is probably not getting much love from us
<miasma>
KotCzarny: most other vendors other than xunlong expect some profit margins :)
<oliv3r>
i'd expect
<oliv3r>
i wonder if they can make an even cheaper orange pi zero
<oliv3r>
without wifi
<mripard>
Pe3ucTop: use linux-next then, or look into MAINTAINERS where the git repo is
<KotCzarny>
miasma, still, 30-40usd is a lot
<miasma>
sure
<Pe3ucTop>
mripard: Thanks
<miasma>
KotCzarny: but rpi isn't cheap either. of course the retail stores charge extra, but few years ago the other school bought some raspberries here and the price was 60 euros for rpi2 (+ taxes 24%)
<oliv3r>
yeah pi is expensive imo
<KotCzarny>
rpi cost is a lot about r&d&marketing
<KotCzarny>
lets not talk about marketing
<miasma>
depends on where you buy. the largest online store in finland used to charge 100 euros for the rpi starter kit
<KotCzarny>
so, any of you ever seen a20 solution under 20usd?
<miasma>
i tried to buy the cheapest a20 board i could find. back then it was the sinovoip's banana pro clone
<miasma>
~30 usd?
<MoeIcenowy>
it's not full clone
<miasma>
a defective clone then :)
<oliv3r>
yeah i don't understand why the a20 boards are that expensive either
<oliv3r>
i now the lime2 is a very low margin product
<KotCzarny>
license?
<KotCzarny>
how otherwise you can explain, given you quote soc price at ~5usd
<miasma>
fwiw, nanopi products are also a lot more expensive than orange pis.. same h2/h3/h5. but it's mostly due to the shipping costs
<miasma>
imo the a20 prices are in line with nanopi prices
<miasma>
e.g. the nanopi m1 is maybe similar to opi pc. the price for me is $41 (+ 24% VAT). so i expect it could cost $50 if the customs want to charge me
<Wizzup>
so I have an A33 tablet, and when it boots to android, it nicely outputs on the serial that I have soldered onto it. But on linux, all I get it garbage, on many different baud rates
<Wizzup>
I guess that perhaps the serial is not set up properly in the dts?
<Wizzup>
Should I dump the fex and see how android sets up the UART?
<mripard>
yes
<MoeIcenowy>
I think A33 BSP now uses UART0 @ PF
<MoeIcenowy>
which is muxed with SD Card
<MoeIcenowy>
when you use a boot0 that boots from NAND/eMMC it can be correctly used
<MoeIcenowy>
as it do not use mmc0
<Wizzup>
I do use the mmc0 (sd card) slot currently, but emmc is also set up
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<Wizzup>
MoeIcenowy: are you saying I can't use the serial and sd card slot at all at the same time?
<Wizzup>
MoeIcenowy: I'd have to check how it works with android after it boots, as android is on emmc, I did not verify that
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<oliv3r>
Wizzup: you cannot use the serial and sd card slot at the same time ususally :) (assuming the same limitations as the a20 pio, you'd have something like http://linux-sunxi.org/A20/PIO#Port_bank_F
<oliv3r>
either serial or sd
<KotCzarny>
hmm
<mripard>
oliv3r: it depends on the board.
<Wizzup>
oliv3r: it works fine on the LIMEs ;)
<Wizzup>
(and yes, I know that it depends on the board and routing)
<KotCzarny>
so is the page wrong or there is some witchery?
<Wizzup>
I'm just disappointed if this is the case
<Wizzup>
oliv3r: also, I might have time to check the spi nor or i2c thing today
<mripard>
KotCzarny: you have several options to output UART0, so neither
<KotCzarny>
oh. that could explain why uart0 works then
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<oliv3r>
mripard: board and bootloader and soc of course
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<oliv3r>
btw, i was talking about the old 'uart over sd card slot' hack :)