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Atmel at76c502, at76c502d, at76c502e, at76c504, at76c504a, at76c504c devices

This page describes how to enable support for WiFi devices based on Atmel PCMCIA chipsets on Debian systems.

atmel_cs is a module for Atmel at76c502x and at76c504x PCMCIA 802.11b wireless LAN chipsets. For assistance with Atmel PCI or USB wireless devices, see the atmel_pci and at76_usb pages respectively.

Non-free firmware is required, which can be provided by installing the atmel-firmware package.

Installation

The atmel_cs driver is included in the mainline Linux kernel since version 2.6.5 and is included as a module in Debian kernel images.

Firmware is required to be installed prior to device operation:

  1. Add a "non-free" component to /etc/apt/sources.list for your Debian version, for example:

    # Debian Squeeze/6.0
    deb http://ftp.us.debian.org/debian squeeze main contrib non-free
  2. Update the list of available packages and install the atmel-firmware and wireless-tools packages:

    aptitude update
    aptitude install atmel-firmware wireless-tools
  3. If not already performed, connect the device to your system.
  4. The necessary kernel module should be automatically loaded. If necessary, it can be manually loaded via:

    modprobe atmel_cs
  5. Verify your device has an available interface:

    iwconfig
  6. Raise the interface to activate the radio, for example:

    ifconfig eth1 up
  7. Configure your wireless interface as appropriate.

Troubleshooting

Known Issues

Supported Devices

The page HowToIdentifyADevice/PC_Card explains how to identify a PC Card device.

The following list was extracted from /etc/pcmcia/atmel.conf provided by atmel-firmware.

Other Notes

The dependent atmel module accepts a firmware parameter, which can be used to force the loading of a specific firmware file if necessary.

See Also


CategoryHardware | CategoryWireless