ath11k: WCN6855 hw2.1: board file for WiFi on the Windows Dev Kit 2023

Jens Glathe jens.glathe at oldschoolsolutions.biz
Sun Dec 1 10:58:57 PST 2024


Hi there,

this is a board file submission for the WiFi / BT module found on the
Microsoft Windows Dev Kit 2023. (codename Blackrock, marketing name
"Project Volterra"). There are no new calibration data, I re-used other
already present data after an educated guess. The fitting data were from
LW_X13S.

* description for what hardware this is:

The module is described as generic "Qualcomm WCN65x We-Fi 6E Dual Band
Simultaneous (DBS) WiFiCx Network Adapter", the normal WCN6855 hw2.1.

Nov 15 07:20:58 volterra kernel: ath11k_pci 0006:01:00.0: BAR 0 [mem
0x30400000-0x305fffff 64bit]: assigned
Nov 15 07:20:58 volterra kernel: ath11k_pci 0006:01:00.0: enabling
device (0000 -> 0002)
Nov 15 07:20:58 volterra kernel: ath11k_pci 0006:01:00.0: MSI vectors: 32
Nov 15 07:20:58 volterra kernel: ath11k_pci 0006:01:00.0: wcn6855 hw2.1


* origin of the board file (did you create it yourself or where you
   downloaded)

I used the /lib/firmware/ath11k/WCN6855/hw2.0/board-2.bin.zst available
in linux-firmware (20240318.git3b128b60-0ubuntu2.5), extracted it and
used the parts needed for this card.


* ids to be used with the board file (ATH11K_BD_IE_BOARD_NAME in ath11k)

"bus=pci,vendor=17cb,device=1103,subsystem-vendor=17cb,subsystem-device=0108,qmi-chip-id=2,qmi-board-id=255,variant=MS_Volterra"

sha256sum: 3ee912c4bf015d314198c7c50829deb611b97e2499c13debd736485e72c67fa0

"bus=pci,vendor=17cb,device=1103,subsystem-vendor=17cb,subsystem-device=0108,qmi-chip-id=18,qmi-board-id=255,variant=MS_Volterra"

sha256sum: 77b1b9ef636ce8492723aa7c2ff2c42c2e5e81a43967d7f32bfdef93a31bf8c4


* attach the actual board file (board.bin)

The name of the files are *not* equal to the id string in the
board-2.bin. The board-2.json file is also attached for reference. The
sha256sums are the ones of the actual files used.

board-2.bin sha256sum:
928ec43c3de0a8fdbeaa95a61cda46e2de36d9ae0f533c2cf225924aba79367a

board-2.json sha256sum:
5f0acb38ce8a05a4f55b861b75d426cb5c781448b11b7878972fc6ea948214a1

with best regards

Jens Glathe
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