112 lines
4.0 KiB
Bash
Executable File
112 lines
4.0 KiB
Bash
Executable File
#!/bin/sh -l
|
|
#===============================================================================
|
|
#
|
|
# atheros
|
|
#
|
|
# Copyright (C) 2012 by Digi International Inc.
|
|
# All rights reserved.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU General Public License version 2 as published by
|
|
# the Free Software Foundation.
|
|
#
|
|
#
|
|
# !Description: Load Atheros' wireless driver
|
|
#
|
|
#===============================================================================
|
|
|
|
# Exit immediately if bmiloader times out or other error occurs
|
|
set -e
|
|
|
|
# Exit if not the wlan0 interface,
|
|
# or we've already run once
|
|
[ "${IFACE}" != "wlan0" -o -e /var/run/atheros ] && exit 0
|
|
|
|
# If not manufacturing mode, exit if product has no wifi
|
|
if [ -z "$1" -a ! -e /var/run/product_info/wifi ]; then
|
|
echo "No wifi device present, skipping wifi startup"
|
|
exit 0
|
|
fi
|
|
|
|
FIRMWARE_DIR="/lib/firmware/ath6k/AR6003/hw2.1.1"
|
|
RAM_DRIVE="/var/run"
|
|
MAC_FILENAME="softmac"
|
|
|
|
#
|
|
# Use $1 for the MAC address, or, if empty, get the wlan MAC address
|
|
# from kernel command line. Use a default # value if the address has not
|
|
# been set.
|
|
#
|
|
|
|
MAC_ADDR_CMDLINE=`cat /proc/cmdline | sed 's/\s/\n/g' | awk '/ethaddr2/ {print}' | sed 's/ethaddr2=//g'`
|
|
MAC_ADDR=${1:-$(MAC_ADDR_CMDLINE)}
|
|
if [ -z "${MAC_ADDR}" -o "${MAC_ADDR}" = "00:00:00:00:00:00" ]; then
|
|
MAC_ADDR="00:04:F3:4C:B1:D3"
|
|
fi
|
|
|
|
mac1="$(echo ${MAC_ADDR} | cut -d':' -f1)"
|
|
mac2="$(echo ${MAC_ADDR} | cut -d':' -f2)"
|
|
mac3="$(echo ${MAC_ADDR} | cut -d':' -f3)"
|
|
mac4="$(echo ${MAC_ADDR} | cut -d':' -f4)"
|
|
mac5="$(echo ${MAC_ADDR} | cut -d':' -f5)"
|
|
mac6="$(echo ${MAC_ADDR} | cut -d':' -f6)"
|
|
|
|
printf "\x${mac1}\x${mac2}\x${mac3}\x${mac4}\x${mac5}\x${mac6}" > ${RAM_DRIVE}/${MAC_FILENAME}
|
|
|
|
# We need to write the WLAN MAC address to softmac in the ath6k firmware
|
|
# directory. However, we don't want to rewrite the file if it already exists
|
|
# and the address is the same because we don't want to wear out NAND flash.
|
|
#
|
|
# So create the file on the RAM DRIVE first and compare the two. Only update
|
|
# the copy on NAND if the address has changed.
|
|
#
|
|
if ! cmp -s ${RAM_DRIVE}/${MAC_FILENAME} ${FIRMWARE_DIR}/${MAC_FILENAME}; then
|
|
cp ${RAM_DRIVE}/${MAC_FILENAME} ${FIRMWARE_DIR}/${MAC_FILENAME}
|
|
fi
|
|
rm -f ${RAM_DRIVE}/${MAC_FILENAME}
|
|
|
|
#
|
|
# Set the correct calibration file. The calibration file determines
|
|
# which channels are valid and what their power levels are. Different
|
|
# regions require different settings.
|
|
#
|
|
read wifi_version dummy 2>/dev/null < /var/run/product_info/wifi || true
|
|
# wifi_version: 0=6103 1=6233
|
|
INTL_MODE=0
|
|
if [ -e /var/run/product_info/intl ]; then
|
|
INTL_MODE=1
|
|
fi
|
|
# INTL_MODE 0 == United States, 1 == international
|
|
case "${wifi_version}${INTL_MODE}" in
|
|
00) BDATA_SOURCE=${FIRMWARE_DIR}/calData_AR6103_Digi_X2e_B.bin ;;
|
|
01) BDATA_SOURCE=${FIRMWARE_DIR}/calData_AR6103_Digi_X2e_B_world.bin ;;
|
|
10) BDATA_SOURCE=${FIRMWARE_DIR}/Digi_6203-6233-US.bin ;;
|
|
11) BDATA_SOURCE=${FIRMWARE_DIR}/Digi_6203-6233-World.bin ;;
|
|
*) echo "Unexpected wifi hardware /${wifi_version}${INTL_MODE}/"
|
|
esac
|
|
BDATA_LINK=${FIRMWARE_DIR}/bdata.bin
|
|
# We don't want to rewrite NAND everytime we boot so only
|
|
# change the link if it is wrong.
|
|
if [ ! -e ${BDATA_LINK} ] || ! cmp -s ${BDATA_LINK} ${BDATA_SOURCE}; then
|
|
rm -f ${BDATA_LINK}
|
|
ln ${BDATA_SOURCE} ${BDATA_LINK}
|
|
fi
|
|
|
|
## Load the driver. Load in test mode if /root/wifi_test_mode exists.
|
|
## No need to explicitly load 'compat' and 'cfg80211' modules. They are resolved as
|
|
## dependences of 'ath6kl_sdio' module and loaded automatically.
|
|
ATH6KL_PARAMS=""
|
|
[ -f "/root/wifi_test_mode" ] && { ATH6KL_PARAMS="${ATH6KL_PARAMS} testmode=1"; test_mode_str=" in test mode"; }
|
|
grep -qs ath6kl_sdio /proc/modules || \
|
|
modprobe -q ath6kl_sdio ${ATH6KL_PARAMS} || echo "Loading ath6kl_sdio module${test_mode_str}: [FAILED]"
|
|
|
|
# Delay required for the interface 'wlan0' to settle down before trying to configure it.
|
|
sleep 0.5
|
|
|
|
#
|
|
# Turn off power save mode and background scanning. This improves performance and
|
|
# reduces latency.
|
|
#
|
|
wmi_config -i wlan0 --scan --bg 0
|
|
iw wlan0 set power_save off
|