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<nahom>
NiteHawk: Are you there?
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<NiteHawk>
hi nahom
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<nahom>
Hi
<nahom>
NiteHawk: I've been downloading and trying new rootfs all day
<nahom>
I've found some that work, headless. ArchLinuxArm works, and linaro-vivid-nano both work but both are headless and also it doesn't bring up the network interface
<nahom>
linaro-alip works but that's the one where the kb and mouse aren't working. But the network works...
<NiteHawk>
did you come across / find any where your mouse and kb worked?
<nahom>
I don't really need a gui, so I'm ok with the headless but the network not working is an issue. Can you suggest a good stable ubuntu flavored rootfs?
<nahom>
Yes, on the other two headless distros the keyboard works.
<nahom>
It drops you off on a login prompt and the keyboard works...
<NiteHawk>
i suppose those are based on newer (mainline) kernels, maybe?
<nahom>
What rootfs would you suggest?
<NiteHawk>
as i said: i'm a gentoo dude, have no experience with the ubuntu variants. i have to admit that Ubunu MATE looks very tempting, but i don't know how much actual work that would require to get it running smoothly on A20-based hardware
<nahom>
If I were to stick with the linaro-nano headless, how would I go about fixing the network?
<NiteHawk>
where did you hit roadblocks? network "not working" sounds rather broad - with a suitable kernel (and possibly modules) you should have the network device available (independent of the particular rootfs), maybe the startup scripts just didn't bring it "up"?
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<nahom>
The only interface available is loopback
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<nahom>
And funny thing too... they didn't have neither vi nor nano... so I couldn't do some proper exploring
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<nahom>
with the network not workign, I coulden't install them either
<NiteHawk>
nahom: hmm... peeking at the packages/contents indicates there should at least be net-tools and dhclient available. but as i mentioned before: the network device itself should be a matter of the kernel (+modules), and thus independent of the rootfs. did you try checking dmesg output for anything network-related?
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<nahom>
I haven't checked dmesg yet.. let me do that
<NiteHawk>
it's of course a bit of a show-stopper if apt can't work due to not having a network connection :/
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<nahom>
NiteHawk: there's this message in the dmesg => sun7i_dwmac 1c50000.ethernet: no regulator found
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<NiteHawk>
that's the 3.4.x kernel variant, isn't it?
<nahom>
Yes
<NiteHawk>
if you can do away with a GUI (or restrict yourself to the "simple fb" implementation), you might try a recent mainline kernel instead
<NiteHawk>
mainline uses a different network driver for sun7i/A20 (stmmaceth)
<nahom>
I have already git'd the latest kernel, so, let me give that a try!
<nahom>
Thanks!
<nahom>
NiteHawk: You think there's anything I need to change in the menuconfig before compiling the kernel?
<NiteHawk>
i wouldn't expect so - sunxi_defconfig should be quite suitable for A20
<nahom>
ok
<NiteHawk>
just remember to update your .dtb file according to the one you get from this kernel compilation, so it matches your kernel version
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<vishnup>
ssvb: ping
<ssvb>
vishnup: hi
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<vishnup>
ssvb: I've tested fel patch on A83T Devboard, It jumps to SPL
<vishnup>
as there is no support for DRAM init. DRAM init timeout
<vishnup>
is this test enough for now, so that I'll include A83T in fel patch
<ssvb>
vishnup: was it a test with the boot0 blob? or what kind of SPL are you talking about?
<vishnup>
not boot0 blob, I dont have it
<vishnup>
I tested fel spl u-boot-sunxi-with-spl.bin
<vishnup>
It jumped to U-boot SPL and timeout while DRAM init
<ssvb>
how did you build this u-boot?
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<ssvb>
but in any case, if you get messages on the serial console, then most likely the fel tool is indeed working correctly
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<vishnup>
ssvb: A33 and A83T has same serial address, I used A33 uboot binary.
<ssvb>
vishnup: thanks, I see
<vishnup>
I'll send v2 of fel patch shortly
<ssvb>
just include the information about how you have tested it in the commit message
<vishnup>
okie
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<ssvb>
vishnup: btw, just curious, is MMU enabled on A83T or not?
<vishnup>
MMU not enabled for A83T as well
<ssvb>
OK thanks, looks like that's how it is on all the newer SoC variants
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<ssvb>
anyone with A23 around here?
<jemk>
I've tested it on H3 too, it works.
<jemk>
But its interesting that boot0 gives 196kb/s write speed, but u-boot spl only 90kb/s
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<ssvb>
jemk: do you have SPL for H3?
<jemk>
I'm working on it
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<ssvb>
jemk: cool
<ssvb>
jemk: how did you get these write speed numbers?
<jemk>
It only needs cleanup, should be ready pretty soon
<jemk>
fel -v write zImage
<NiteHawk>
i don't think the fel timing / speed calculation is particularly accurate
<ssvb>
jemk: and which commands were run before that? I wonder about the differences between the boot0 and u-boot spl setups?
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<jemk>
fel spl with boot0, then test -> 196kb. Reset. fel spl with u-boot spl, then test -> 96Kb/s
<ssvb>
jemk: interesting, does 'fel spl boot0' return control back to FEL mode?
<jemk>
(boot0 is patched to jump back to fel)
<ssvb>
ah, ok
<ssvb>
and the u-boot spl is your experimental code with a working dram init?
<ssvb>
NiteHawk: for transferring really small files it is indeed not very accurate (for example, the main u-boot blob), but for bigger files the accuracy should be much better
<jemk>
ssvb: its the code from my github repo (only uart) with dram init added. cpu clock, voltages and so aren't changed yet
<ssvb>
jemk: then the CPU clock speed is the most likely culprit
<ssvb>
jemk: there is a memcpy loop running somewhere as a part of this operation, so enabling the I-cache for the BROM code, branch prediction and write combining for DRAM makes it faster
<jemk>
possible, its 408 (or 480, don't remember), but i though boot0 wouldn't change it either
<jemk>
need to recheck that, but first i'll finish the dram
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