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<pmpp>
camh: what is "binary environment file" ?
<camh>
pmpp: the one created with mkenvimage
<camh>
that you put on the sd card at offset 557056
<pmpp>
i see
<pmpp>
well most of board need sdcard removal to enter fel so didn't pay attention
<camh>
if i can use the binary environment I can felboot with the same environment image I use to make the sdcard image
<camh>
its a trivial thing really, because the text environment (#=uEnv) is the input to mkenvimage, so I have it around. I was just trying to clean up
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<wens>
montjoie: if the discussion about EMAC mdio-mux continues, I wonder if we can bring back support for a83t/a64 first?
<wens>
mripard: ^
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<nick3>
I've got quick question regarding R40: is the PMU stands for Power Management Unit?
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<MoeIcenowy>
sometimes
<MoeIcenowy>
why more and more people start to ask about R40 here...
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<wens>
nick3: depends on the context
<nick3>
ok, if I want to transmit anything via uart0 - should I also configure PMU?
<nick3>
in some embedded boards to enable some module you need to set up clock properly and PMU
<nick3>
and I'm wondering if it is also needed in r40
<wens>
you mean the external PMIC? for your purposes it should just work
<nick3>
ok
<aalm>
are you not using any bootloader?
<MoeIcenowy>
wens: mripard: for the R40 device trees, should I just drop max-frequency in MMC nodes?
<MoeIcenowy>
wens: for EMAC I think I can then implement R40 support
<wens>
MoeIcenowy: wasn't that exactly what mripard asked?
<MoeIcenowy>
Will it lead to any problems?
<MoeIcenowy>
P.S. I think all MMC on BPi M2U/M2U are 3.3V IO
<MoeIcenowy>
so maybe they won't reach high frequency ;-)
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<MoeIcenowy>
P.P.S. our driver doesn't enable 3.3V DDR, which is supported
<wens>
MoeIcenowy: no
<wens>
MoeIcenowy: 3.3V DDR eMMC is enabled for some, but not all, compatible strings
<wens>
MoeIcenowy: no, it will not lead to any problems
<MoeIcenowy>
I think only 1.8V DDR is enabled
<MoeIcenowy>
3.3V DDR is enabled on no compatible strings
<MoeIcenowy>
currently 1.8V DDR is enabled if clk_delays is present or in new timing
<wens>
that was recently renamed
<MoeIcenowy>
?
<wens>
uh, recently split
<wens>
previously 1.8V DDR also meant 3.3V DDR
<wens>
(called HS-DDR in specs)
<MoeIcenowy>
so we should fix the code?
<wens>
yes
<MoeIcenowy>
P.S. currently it's strange that A64/H5/R40 mmc2 cannot do DDR
<wens>
possibly no one tested it
<wens>
or no one figured out how to program the clocks
<MoeIcenowy>
I think it's just hardcoded new timings
<MoeIcenowy>
maybe I should test on my SoPine w/ baseboard
<wens>
with DDR the mod clock has to be double the card clock
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<fishguts>
Hi. Is anyone here familiar with this problem?
<fishguts>
I have a little embedded device, an NTC Chip. Is is running just alsa (no pulseaudio).
<fishguts>
No pcm stream can be written to the onboard audio device however.
<fishguts>
I get "aplay: pcm_write:2011: write error: Input/output error" when attempting to play a wav via aplay.
<fishguts>
There is only one audio output listed by "aplay -l", as expected.
<fishguts>
The sound used to work, it failed mysteriously after a reboot.
<fishguts>
I have not changed the kernel or any kernel modules. Thanks.
<marble_visions>
that's how the NTC folks flash their CHIPs
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<Pe3ucTop>
marble_visions: thank you for help and ideas, i will try, but I don't have u-boot with neded driver (spi-nand) support yet. Only SPL part. So probably - going to realise it in u-boot, and then return to SPL part.
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<marble_visions>
so you're missing spi-nand support in SPL?
<marble_visions>
or in uboot in general?
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<MoeIcenowy>
oliv3r: this is a bug, which is fixed by wens now
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<Pe3ucTop>
Question about SPI , do dual-bit mode is realised in driver ? Is it known ??
<oliv3r>
MoeIcenowy: so it really should be BIT(5) :)
<oliv3r>
MoeIcenowy: ok i'll cherry-pick wen's patch to make sure i don't get a merge conflict :)
<oliv3r>
MoeIcenowy: do you have a link for the fix? :)
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<anarsoul|2>
MoeIcenowy: ping
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<wens>
oliv3r: just use regulator/for-next :)
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<Putti>
shouldn't the sunxi-mmc.txt binding documentation define vmmc and vqmmc as required properties? I was reading the code and it seems to fail if the properties are not supplied: "dev_err(&pdev->dev, "Could not get vmmc supply\n");"
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<majosa>
Did anyone tried to use JTAG in a board with an A64?
<Wizzup>
is anyone using musb on the a10/a20? I'm having quite a few issues with it running in host mode.
<Wizzup>
Only 1/3 of my smartcard readers (each a different model) actually works reliably with it.
<Wizzup>
The other two get timeouts and resets in libusb
<Wizzup>
(linux 4.9)
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<KotCzarny>
wizzup: check usb voltage
<KotCzarny>
for some reason my bpir1 sends 5.35V
<Wizzup>
it works on the 'normal' ports, but not on the musb one
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<Wizzup>
I have a usb voltage and amps meter, will check
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<tkaiser>
Wizzup: which board?
<Wizzup>
tkaiser: LIME2
<tkaiser>
Ok, only used the Mini USB there to power the board (since different consumption measurement with AXP209 then for whatever reasons)
<Wizzup>
we have to use it as host, and it works fine for my alcor smartcards readers, but not for others.
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<Seppoz>
if i disconnect my screen via HDMI and reconnect it my systems fails
<Seppoz>
any ideas why
<Seppoz>
aparently this has to do witht he fact that the touchscreen drops and reconnects
<Seppoz>
so the whole application gets sucky sucky
<Seppoz>
any ideas?
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<Seppoz>
can anyone tell me where the kernel arguments are defined in legacy uboot?
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<Putti>
when I tested the mmc0 node without vmmc property I got: "sunxi-mmc 1c0f000.mmc: no support for card's volts".
<Putti>
but could there still be a way for the sunxi-mmc.c driver to work with some board if there is no vmmc property?
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