ath10k-firmware: QCA6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 168c:3370 board file

[Kalle Valo]

Hans de Goede <hans at hansg.org> writes:

> On 1/21/22 15:16, Kalle Valo wrote:
>> Hans de Goede <hans at hansg.org> writes:
>> 
>>> Here is a board-file for the QCA6174 PCI 168c:003e subsys: 168c:3370 wifi
>>> card found on Microsoft Surface Go devices.
>>>
>>> I'm submitting this per the docs in:
>>> https://wireless.wiki.kernel.org/en/users/drivers/ath10k/boardfiles
>>> I hope those are still up to date.
>>>
>>> Currently the kernel gives the following message when loading on this card:
>>> "failed to fetch board data for
>>> bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem-device=3370
>>> from ath10k/QCA6174/hw3.0/board-2.bin"
>>>
>>> And then errors out with a bunch of -110 (-ETIMEOUT) errors.
>>>
>>> Replacing the fallback board.bin file with the attached .bin file fixes
>>> these errors and results in working wifi (I tested at both 2.4G and 5G).
>>>
>>> There are various internet forum posts which point to this board file:
>>> https://web.archive.org/web/20201111213909/http://www.killernetworking.com/support/K1535_Debian/board.bin
>>>
>>> But the killer 1535 wifi card uses completely different subsys-ids
>>> of 1a56:1535, so even though that happens to work I do not believe
>>> that is the correct file.
>>>
>>> So instead, inspired by this report:
>>> https://bugzilla.redhat.com/show_bug.cgi?id=1651779
>>>
>>> I started looking at the driverstore directory of the original windows
>>> install on the device I found "netathr10x.inf" there which has this line:
>>>
>>> eDesc.6320_3% = ATHR_DEV_OS63_988x_TX8.ndi,
>>> PCI\VEN_168C&DEV_003E&SUBSYS_3370168C&REV_32; WiFi Only SKU
>>>
>>> Note the "WiFi Only SKU" remark is there to differentiate this from
>>> the 168c:3371 subsys one which also has LTE (marked as "WiFi/LTE SKU")
>>>
>>> This led me to the "ATHR_DEV_OS63_988x_TX8.ndi" section of the .inf file:
>>>
>>> [ATHR_DEV_OS63_988x_TX8.ndi.NTamd64]
>>> ...
>>> CopyFiles = atheros.CopyFiles, atheros_FW_3X.CopyFiles,
>>> atheros_BD_TX8.CopyFiles
>>> ...
>>>
>>> And "atheros_BD_TX8.CopyFiles" is:
>>>
>>> [atheros_BD_TX8.CopyFiles]
>>> eeprom_ar6320_3p0_TX8_clpc.bin,,,2
>>>
>>> The "windows\system32\driverstore\netathr10x" dir has a ton of
>>> eeprom files (let me know if you want a copy of the whole dir)
>>> including the mentioned one. Where as "windows\system32\drivers"
>>> only has the one eeprom_ar6320_3p0_TX8_clpc.bin eeprom... file,
>>> further indicating that that is the one actually being used.
>>>
>>> So this is the file which I've tested with and which is attached to this email as:
>>> "bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem-device=3370.bin"
>>>
>>> md5sum:
>>> bc52aa5640b27fa50f9d4d144f81e169
>>> bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem-device=3370.bin
>> 
>> I assume this is the same version as you submitted directly to
>> linux-firmware[1],
>
> Correct, note that my upstream linux-firmware submission contains
> 2 new board files. I've also submitted this to the ath10k-firmware repo here:
>
> https://github.com/kvalo/ath10k-firmware/pull/11

I see that you closed it also, thanks for that.

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