meta-digi-dbl: Add kernel-nodule-atheros init scripts.

These come from the digiel.git repo and will need to be modified to work.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>

meta-digi-dbl/recipes-kernel/kernel-module-atheros/cpx2/atheros

@@ -0,0 +1,106 @@
+#!/bin/sh -l
+#===============================================================================
+#
+#  10-atheros_pre-up
+#
+#  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/10-atheros_pre_up ] && 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 $1 for the MAC address, or, if empty, extract from ethaddr2 in NVRAM
+# and then strip 'ethaddr2='
+#
+MAC_ADDR=${1:-$(nvram print module ethaddr2)}
+MAC_ADDR=${MAC_ADDR#*=}
+
+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

meta-digi-dbl/recipes-kernel/kernel-module-atheros/cpx2/atheros.conf

@@ -0,0 +1 @@
+install ath6kl_sdio true

meta-digi-dbl/recipes-kernel/kernel-module-atheros/kernel-module-atheros_git.bbappend

@@ -0,0 +1,4 @@
+# Copyright (C) 2013 by Digi International Inc.
+
+PR_append = "+${DISTRO}+r0"
+FILESEXTRAPATHS_prepend := "${THISDIR}/${MACHINE}/:"