Problems using mini PCIe MT7921 wireless network card with SMT32MP257F-EV1

[zhangtinglu]

HI: 

I install the mini PCIe MT7921 wireless network card on stm32mp257f-ev1 board.

root@stm32mp2:/# lspci
00:00.0 PCI bridge: Synopsys, Inc. Device 0550 (rev 01)
01:00.0 Network controller: MEDIATEK Corp. MT7921 802.11ax PCI Express Wireless Network Adapter

The device is normal.configure the kernel and use MT2791(pcie) ,after compilation, update the kernel and modules using the scp command.

root@stm32mp2:/lib/modules/6.1.82/kernel/drivers/net/wireless/mediatek/mt76/mt7921# modinfo mt7921e.ko
filename: /lib/modules/6.1.82/kernel/drivers/net/wireless/mediatek/mt76/mt7921/mt7921e.ko
license: Dual BSD/GPL
author: Lorenzo Bianconi <lorenzo@kernel.org>
author: Sean Wang <sean.wang@mediatek.com>
firmware: mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin
firmware: mediatek/WIFI_RAM_CODE_MT7922_1.bin
firmware: mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin
firmware: mediatek/WIFI_RAM_CODE_MT7961_1.bin
alias: pci:v000014C3d00000616sv*sd*bc*sc*i*
alias: pci:v000014C3d00000608sv*sd*bc*sc*i*
alias: pci:v000014C3d00007922sv*sd*bc*sc*i*
alias: pci:v000014C3d00007961sv*sd*bc*sc*i*
depends: mt76-connac-lib,mt76,mt7921-common
intree: Y
name: mt7921e
vermagic: 6.1.82 SMP preempt mod_unload modversions aarch64
parm: disable_aspm:disable PCI ASPM support (bool)

Get MT7921 firmware form :

https://github.com/coolpi-george/linuxfirmware/tree/002583713fbcfb167a411c522e9ada1581b85d4c

put into the path /lib/fireware/mediatek. load the corresponding module.

insmod mac80211.ko.

insmod mt76.ko

insmod mt76-connac-lib.ko

insmod mt7921-common.ko

insmod mt7921e.ko

Output the following logs:

[ 1249.751742] mt7921e 0000:01:00.0: enabling device (0000 -> 0002)
[ 1249.772624] mt7921e 0000:01:00.0: ASIC revision: 79610010
root@stm32mp2:/lib/modules/6.1.82/kernel/drivers/net/wireless/mediatek/mt76/mt7921# [ 1249.860336] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1249.860336]
[ 1249.860336]
[ 1249.860336]
[ 1249.860336]
[ 1249.860336]
[ 1249.860336] <!DOCTYPE
[ 1249.971327] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1249.971327]
[ 1249.971327]
[ 1249.971327]
[ 1249.971327]
[ 1249.971327]
[ 1249.971327] <!DOCTYPE
[ 1250.079225] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.079225]
[ 1250.079225]
[ 1250.079225]
[ 1250.079225]
[ 1250.079225]
[ 1250.079225] <!DOCTYPE
[ 1250.187206] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.187206]
[ 1250.187206]
[ 1250.187206]
[ 1250.187206]
[ 1250.187206]
[ 1250.187206] <!DOCTYPE
[ 1250.295201] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.295201]
[ 1250.295201]
[ 1250.295201]
[ 1250.295201]
[ 1250.295201]
[ 1250.295201] <!DOCTYPE
[ 1250.403194] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.403194]
[ 1250.403194]
[ 1250.403194]
[ 1250.403194]
[ 1250.403194]
[ 1250.403194] <!DOCTYPE
[ 1250.511153] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.511153]
[ 1250.511153]
[ 1250.511153]
[ 1250.511153]
[ 1250.511153]
[ 1250.511153] <!DOCTYPE
[ 1250.619063] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.619063]
[ 1250.619063]
[ 1250.619063]
[ 1250.619063]
[ 1250.619063]
[ 1250.619063] <!DOCTYPE
[ 1250.727088] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.727088]
[ 1250.727088]
[ 1250.727088]
[ 1250.727088]
[ 1250.727088]
[ 1250.727088] <!DOCTYPE
[ 1250.835134] mt7921e 0000:01:00.0: HW/SW Version: 0x3e0a3c68, Build Time:
[ 1250.835134]
[ 1250.835134]
[ 1250.835134]
[ 1250.835134]
[ 1250.835134]
[ 1250.835134] <!DOCTYPE
[ 1250.940915] mt7921e 0000:01:00.0: hardware init failed

The MT7921 isn't working properly. Please help me analyze the reasons! Thanks a lot!

[Erwan SZYMANSKI]

Hello @zhangtinglu ,
Do you still have troubles to make your device working ? 

Kind regards,
Erwan.

[zhangtinglu · Accepted solution]

The firmware of MT7921 is incorrect.repalced with RTL8188EE,it can be used now.