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#!/usr/bin/perl
# Firmware loader for Atmel at76c502 at76c504 and at76c506 wireless cards.
#
# Copyright 2004 Simon Kelley.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Atmel wireless lan drivers; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
use Socket;
use File::Basename;
use constant ATMELFWL => 0x8be0;
use constant ATMELIDIFC => 0x8be1;
use constant ATMELMAGIC => 0x51807;
(($iface = shift(@ARGV)) && ($file = shift(@ARGV))) ||
die "Usage: atmel_fwl <interface> <path/to/firmware>";
socket (Socket, PF_INET, SOCK_DGRAM, getprotobyname('udp'))
|| die "Cannot create socket: $!";
$ifr = pack("Z16 L", $iface, 0x0);
(ioctl(Socket, ATMELIDIFC, $ifr) &&
(unpack("Z16 L", $ifr))[1] == ATMELMAGIC) ||
die "$iface is not an Atmel interface";
local ($/);
use bytes;
open (File, "<:raw", $file) || die "Cannot open $file: $!";
$image = <File>;
$len = length $image;
close(File);
$priv = pack("Z32 P S", basename($file), $image, $len);
$ifr = pack("Z16 P", $iface, $priv);
ioctl(Socket, ATMELFWL, $ifr) ||
die "Firmware load failed: $!";
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