#linux-sunxi on 2019-11-11 — irc logs at freenode.irclog.whitequark.org

2018-08-03 10:18 rellla changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi - *only registered users can talk*

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10:05 <ChriChri> I'd have a question about https://linux-sunxi.org/FEL/USBBoot#SoC_support_status : I have an Allwinner B288 (id=1699) device which I'd like to boot using FEL/USB. As I understand I need to have parameters for "MMU setup" and "Stack pointers" to be able to use it. How can I get those parameters from the device or the devices software?

10:06 <plaes> might be wrong here, but it might be that this info has been taken from builting boot rom

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10:09 <plaes> https://github.com/linux-sunxi/sunxi-tools/commit/65bcc0501382db606ab5a5b5eb39f6f1c06b2df8

10:12 <plaes> oh man.. it has integrated wifi.

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10:46 <ChriChri> plaes: Wifi? Yes, so what? You mean that the information in the wiki is taken from the fel.c source and/or that B288 might be the same as H3? Sorry, if I'm sounding like an idiot, but I'm not a developer and I'm just getting started with all this context around Allwinner devices...

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10:54 <plaes> nah.. I meant that you can look up a similar SoC and try with adapting those, although being B-series SoC it might be not that simple)

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11:10 <ChriChri> I thougt it might be possible to get these values from /proc, /sys, kernel- or uboot-config somehow?

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15:35 <tuxd3v> hello all

15:36 <tuxd3v> does any one knows the size of a regular aarch64 build for the kernel series 4.X?

15:36 <tuxd3v> I am getting almost 18MB

15:36 <megi> what is regular build? :)

15:36 <megi> that sounds about right

15:37 <tuxd3v> the size for a 5.3.X is around 12MB

15:37 <fALSO> depends

15:37 <fALSO> if you put a lot of modules on the kernel....

15:37 <megi> I have modules builtin and get 22MiB

15:37 <fALSO> it will probably be even bigger

15:37 <tuxd3v> the 4.X series seems huggee

15:37 <tuxd3v> :)

15:37 <fALSO> 21M Image

15:38 <fALSO> tuxd3v, depends of what you enable

15:38 <megi> one other kernel I try to boot fast I put a lot of things into modules and get 13MiB

15:38 <fALSO> tuxd3v, its the same for every kernel

15:45 <tuxd3v> yeah but with 4.X series itsa lot bigger

15:45 <tuxd3v> I even tough that it would be because I optimized it for speed, but then compared with the 5.3.x series and its a lot diferent..

15:45 <tuxd3v> almost with same config for both..

15:46 <tuxd3v> but 5.4x doesn't botted, I do t know why..

15:46 <tuxd3v> late at night I will try again..

15:46 <tuxd3v> Any advice?

15:46 <fALSO> Any messagE?

15:46 <tuxd3v> for 5.4?

15:46 <fALSO> Yes while booting

15:46 <fALSO> Or the kernel simply doesnt boot?

15:46 <tuxd3v> I couldn't see nothing in the serial..

15:47 <tuxd3v> it sometimes output data sometimes don't..

15:47 <tuxd3v> :D

15:47 <tuxd3v> the kernel doesn't booted

15:47 <tuxd3v> don't know why

15:47 <tuxd3v> if any one has a 5.4x serries for 5.4 I would apreciate

15:48 <tuxd3v> I tried with a slighly changed 5.3.9, but to no avail

15:48 <fALSO> probably something missing from the conf

15:48 <tuxd3v> I optimized it maybe it was miss aligned in some way..

15:48 <fALSO> which board is it?

15:48 <tuxd3v> HOSTCFLAGS := -Os -march=armv8-a+simd+crypto+crc -mtune=cortex-a53 -finline-functions \

15:48 <tuxd3v> -foptimize-sibling-calls -foptimize-strlen -fif-conversion -funroll-loops -ftree-vectorize

15:49 <tuxd3v> HOSTCXXFLAGS := -Os -march=armv8-a+simd+crypto+crc -mtune=cortex-a53 -finline-functions \

15:49 <tuxd3v> -foptimize-sibling-calls -foptimize-strlen -fif-conversion -funroll-loops -ftree-vectorize

15:49 <fALSO> ??

15:49 <tuxd3v> its a small optimization..

15:49 <tuxd3v> 10 loops

15:49 <tuxd3v> and inline functions here it should be bigger, but I believe that not by so much..

15:50 <tuxd3v> for Allwinnenr H6

15:50 <tuxd3v> the kernel Makefile

15:50 <fALSO> tuxd3v,

15:50 <[TheBug]> 'couldn't see nothing` just FYI thats is a double negative implying you do see something. Just one of those fun English things, you basically stated "could not see noththing". ;)

15:50 <[TheBug]> nothing*

15:51 <diego71> try with a clean Makefile, and see if it works

15:51 <fALSO> https://github.com/megous/linux/blob/orange-pi-5.4/arch/arm64/configs/orangepi_defconfig

15:51 <fALSO> try this config

15:51 <fALSO> just comment line 250 before

15:51 <fALSO> the one that says: CONFIG_EXTRA_FIRMWARE

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16:00 <tuxd3v> diego71: I tried that after..

16:00 <tuxd3v> to no avail :(

16:01 <tuxd3v> also cross compiling tools don't know what is '-march=armv8-a+simd+crypto+crc' , nor what is '-mtune=cortex-a53'

16:01 <tuxd3v> I had to just use only

16:02 <tuxd3v> '-march=armv8-a

16:02 <tuxd3v> for the 8.3 toolchain

16:02 <tuxd3v> aarch64 ofcourse..

16:02 <tuxd3v> but there is dificult to understand HOSTCFLAGS, or HOSTCXXFLAGS... because my host is a x86 :D

16:03 <tuxd3v> the guest or foreign its aarch64

16:03 <tuxd3v> maybe that is the problem..

16:03 <fALSO> its very easy to cross compile the kernel

16:03 <tuxd3v> fALSO: the megous config will work in orange pi one plus?

16:03 <fALSO> yes, just no network

16:04 <tuxd3v> yes but for that I already have your patch ;)

16:04 <fALSO> :-D

16:04 <tuxd3v> it work nicelly at least on 5.3.7-9

16:04 <fALSO> to cross compile the kernel

16:04 <fALSO> just export CROSS_COMPILE='aarch64-unknown-linux-gnu-'

16:05 <tuxd3v> My problem is not crosscompiling it, but when you define HOSTCFLAGS, or HOSTCXXFLAGS, in Makefile to another arch than the phisical host one

16:06 <tuxd3v> it doesn't even accept -mtune=cortex-a53

16:06 <fALSO> why are you changing the CFLAGS of the kernel ?

16:06 <fALSO> you shouldt probably do that

16:06 <tuxd3v> and I am talking about the 8.3 toolchain

16:06 <fALSO> thats probavly why it doesnt boot

16:06 <tuxd3v> maybe he missalign some structure..

16:07 <tuxd3v> maybe the -Os could also be responsible for that missalignement

16:07 <tuxd3v> I will try again :)

16:07 <fALSO> you shoulnt mess with cflags on the kernel

16:07 <tuxd3v> I will fetch, the 5.4-rc7 and then begin :)

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16:13 <tuxd3v> fALSO, maybe it even could be my building tool, that has some rigid requirements for it..

16:13 <tuxd3v> but I will try megi config, if ok I will exclude a problem in my builder.. :)

16:13 <fALSO> dont forget to comment the extra_firmware line

16:14 <fALSO> or it will fail

16:15 <tuxd3v> yeah, thanks for remember me of that

16:15 <tuxd3v> lines 250,251

16:15 <tuxd3v> ;)

16:18 <megi> or you can get firmware from here https://xff.cz/git/linux-firmware/ :)

16:19 <tuxd3v> thanks also to megi for helping me out, several times =)

16:19 <megi> :)

16:19 <karlp> the linux-firwmare repo mess is ... such a mess.

16:20 <karlp> who actually maintains this one? https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/ ?

16:20 <karlp> megi: do you ahve files in yours megi that aren't able to go into that one?

16:21 <megi> karlp: that depends on the license

16:21 <megi> I don't have any license

16:21 <megi> also some of the files are board specific

16:22 <karlp> yeah, your https://xff.cz/git/linux-firmware/tree/brcm/brcmfmac43362-sdio.txt is completely different to theirs. (though they at least use ,board suffixes, so you have a chance at tracking it :)

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16:23 <tuxd3v> does you guys have rng-tools installed in your rootfs?

16:23 <tuxd3v> I have but with /dev/urandom

16:24 <karlp> different file sizes on the .bin files too. yay!

16:25 <karlp> last "upstream" commit is from cypress: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/brcm/brcmfmac43362-sdio.bin?id=253a573936ee2078d206527f3ae845b4dc681269

16:25 <karlp> absolutely attrocious commit messges, no versions, no nothing

16:26 <karlp> that xff.cz has pretty lame commit messges too, no information on sourcing

16:26 <karlp> just "added files"

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16:41 <megi> yup

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19:44 <tuxd3v> megi: with your config..my kernel compiled on 27MB size..

19:44 <megi> strange, which config?

19:45 <tuxd3v> the one I copied from : https://github.com/megous/linux/blob/orange-pi-5.4/arch/arm64/configs/orangepi_defconfig

19:45 <tuxd3v> I tried it with lines 250,251 commented

19:46 <tuxd3v> mainline 5.4-rc7

19:48 <megi> interesting :)

19:48 <megi> not sure where the diff comes from, but we have about 5MiB difference

19:48 <megi> which is not insignificant :)

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19:53 <tuxd3v> I will try it now ;)

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20:04 <tuxd3v> it doesn't boot, Or I can't see output of uboot

20:04 <megi> what board?

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20:08 <tuxd3v> orange pi one plus

20:08 <tuxd3v> I don't know why

20:08 <tuxd3v> or he doesn't like my v201910 uboot

20:09 <tuxd3v> but he should work, kernel 5.3.9 boots fine with it..

20:12 <tuxd3v> it is building everything integrated no kernel modules..

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