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Re: AP6335 with mainline kernel

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On 3/21/2018 4:38 PM, Vanessa Maegima wrote:
Hi Arend,

On Sex, 2018-01-19 at 10:02 +0100, Arend van Spriel wrote:
On 1/18/2018 12:47 PM, Vanessa Maegima wrote:

Hi Arend,

On Ter, 2018-01-16 at 21:21 +0100, Arend van Spriel wrote:

On 1/15/2018 9:08 PM, Fabio Estevam wrote:


Hi Arend,

On Tue, Dec 5, 2017 at 12:58 PM, Vanessa Maegima
<vanessa.maegima@xxxxxxx> wrote:



Hi Arend,

Sorry for this!

I updated the folder on https://emea01.safelinks.protection.o
utlook.com/?url=https%3A%2F%2Femea01.safelinks.protection.out
lo&data=02%7C01%7Cvanessa.maegima%40nxp.com%7C39040229475441d
7b5aa08d55f1b6cd3%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%
7C636519493755298348&sdata=Zws4AElm4La96Q4pjK152nH2lP6v4mPJJN
xSGz7TLBA%3D&reserved=0
ok.com/?url=https%3A%2F%2Fdrive.google.com%2Fdrive%2Ffolders%
2F1f
osahjL&data=02%7C01%7Cvanessa.maegima%40nxp.com%7Cf07cd1a6ffb
34c0
961f608d55d1eb901%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%
7C63
6517308901643244&sdata=6JAqSN%2BVPJ%2FCF7cbnBjm8geMKWydWkG9Jc
UhGB
Pj644%3D&reserved=0
N1KI5NKS59_aPZdHLpENPFHtK

Thanks!
Any ideas, please?
Well, the dumps confirm a crash early in the firmware boot.
However,
I
could not obtain more information from it. To capture the failure
I
need
to rework some firmware functionality which is not trivial and I
can
not
claim time for it right now.

Regards,
Arend

Thanks for all your investigation here!

I just want to report one more thing that I noticed from my tests.

I have tried to use an html file that I downloaded using wget as
the
nvram file (https://emea01.safelinks.protection.outlook.com/?url=ht
tps%3A%2F%2Fgithub.com%2FOpenELEC%2Fwlan-
firmware%2Fblob%2Fmaster%2Ffirmw&data=02%7C01%7Cvanessa.maegima%40n
xp.com%7C39040229475441d7b5aa08d55f1b6cd3%7C686ea1d3bc2b4c6fa92cd99
c5c301635%7C0%7C1%7C636519493755298348&sdata=EZFVV3qbStjH9Eqe6uVVXJ
f7LmQlMLIURXHaQIMIpms%3D&reserved=0
are/brcm/nvram_ap6335.txt) and the wifi seems to work. I have not
noticed the wrong format file until testing it.
Interesting. In brcmfmac the file is parsed before sending it to the
firmware so I am wondering what is effectively send to the device.

Can you dump the nvram that is sent to the device. Just add hexdump
call
of nvram in brcmf_fw_request_nvram_done() in firmware.c just before
fwctx->done() is called.

Regards,
Arend

Sorry for my delayed response, but I could not get the hexdump from the
nvram. I have tried several hexdump functions I found on kernel and on
the brcmfmac driver but none of them printed any output.

Is there any CONFIG I need to enable to get those working?

CONFIG_BRCMDBG should be enabled. Or just add '#define DEBUG' in firmware.c before the include statements.

Regards,
Arend



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