From: eLinux.org

Libertas SDIO

Contents

Libertas SDIO

WPA

wpa_supplicant-0.5.5 is known to work properly with libertas sdio

Firmware 8.73.7

the marvell supplied firmware for 8.73.7 is known to work with all
current versions of the libertas driver

http://www.marvell.com/drivers/driverDisplay.do?driverId=178

Firmware 9.70.3

the marvell supplied firmware for 9.70.3 is known to work with libertas
driver in the main linux kernel starting at 2.6.27

http://www.marvell.com/drivers/driverDisplay.do?driverId=203
(dead)

http://extranet.marvell.com/drivers/driverDisplay.do?driverId=203