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am335x SK WiFi not working

Giuseppe Zangari
Intellectual 610 points

Dear all,

I'm trying to use wifi on the SK. I0'm using the kernel arago provided in the sdk with a different rootfs.

This is my /etc/network/interfaces

auto lo
iface lo inet loopback

#enable eth0:
auto eth0
iface eth0 inet dhcp

#enable wlan0
auto wlan0
iface wlan0 inet dhcp

but after reboot if I do

ifconfig wlan0 up

I get

wlan0: ERROR while getting interface flags: No such device

any ideas?

Regards

  • 0
    Intellectual 610 points

    I checkd my rootfs and in lib/firmware/ti-connectivity I have the last version of the firmware but if I do ifconfig -a

    http://pastebin.com/05kc327d

    which step I forgot?

  • 0 in reply to Giuseppe Zangari
    Intellectual 610 points

    This is a part of my boot log

    [    1.823608] mmc1: card claims to support voltages below the defined range. These will be ignored.  
    [    1.844177] mmc1: queuing unknown CIS tuple 0x91 (3 bytes)                                         
    [    1.851409] mmc1: new SDIO card at address 0001  

    So it seems that it can see the SDIO card..

    Still searching :-)

  • 0 in reply to Giuseppe Zangari
    Intellectual 610 points

    finally I did it.

    1 - I recompiled the kernell enabling the following features:

    • Networking -> wireless -> cfg80211 wireless API + enable powersave
    • Networking -> wireless -> wireless extension -> common routines IEEE802.11+ Generic IEEE802.11 network stack
    • Device support -> network device support-> wireless lan -> TI wl12xx driver support -> wl12xx SDIO + wl12SDIO Debug

    2- some of the features above are configured as modules, so I compiled the modules

    3 -installed the modules in my rootfs

    These steps are descrived here: http://processors.wiki.ti.com/index.php/AMSDK_Linux_User%27s_Guide#Configuring_the_Kernel

    resolved :-)