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atheros: update script to get the mac from the device tree 

https://jira.digi.com/browse/DEL-637

Signed-off-by: Javier Viguera <javier.viguera@digi.com>
This commit is contained in:
Javier Viguera 2013-09-10 14:38:40 +02:00
parent 255b409288
commit 735e36ce8e
1 changed files with 21 additions and 22 deletions
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43
meta-digi-arm/recipes-kernel/kernel-module-atheros/kernel-module-atheros/ccardimx28js/atheros
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@ -20,27 +20,20 @@ set -e
[ "${IFACE}" != "wlan0" ] && exit 0
FIRMWARE_DIR="/lib/firmware/ath6k/AR6003/hw2.1.1"
RAM_DRIVE="/var/run"
MAC_FILENAME="softmac"
#
# Get the wlan MAC address from kernel command line. Use a default
# value if the address has not been set.
#
MAC_ADDR="$(sed -ne 's,.\+ethaddr2=\([^[:blank:]]\+\)[[:blank:]].*,\1,g;T;p' /proc/cmdline)"
if [ -f "/proc/device-tree/wireless/mac-address" ]; then
MAC_ADDR="$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/wireless/mac-address | sed 's/:$//g')"
else
MAC_ADDR="$(sed -ne 's,^.*ethaddr2=\([^[:blank:]]\+\)[:blank:]*.*,\1,g;T;p' /proc/cmdline)"
fi
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.
@ -48,10 +41,19 @@ printf "\x${mac1}\x${mac2}\x${mac3}\x${mac4}\x${mac5}\x${mac6}" > ${RAM_DRIVE}/$
# 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}
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 ${MAC_ADDR} | cut -d':' -f6)"
TMP_MACFILE="$(mktemp -t softmac.XXXXXX)"
printf "\x${mac1}\x${mac2}\x${mac3}\x${mac4}\x${mac5}\x${mac6}" > ${TMP_MACFILE}
if ! cmp -s ${TMP_MACFILE} ${FIRMWARE_DIR}/softmac; then
cp ${TMP_MACFILE} ${FIRMWARE_DIR}/softmac
fi
rm -f ${RAM_DRIVE}/${MAC_FILENAME}
rm -f ${TMP_MACFILE}
# Figure out which wireless region we are in. The US has rules for
# what channels can be used and at what power level. We use a different set of
@ -59,13 +61,10 @@ rm -f ${RAM_DRIVE}/${MAC_FILENAME}
# in OTP will be set to 0x0 for the US. Once we know the region, make sure the
# appropriate calibration file is loaded.
#
if [ -e "/sys/kernel/machine/name" ]; then
MACHINE="$(cat /sys/kernel/machine/name)"
REGION_CODE="$(cat /sys/kernel/${MACHINE}/mod_cert)"
elif [ -e "/proc/device-tree/digi,hwid,cert" ]; then
REGION_CODE="$(cat /proc/device-tree/digi,hwid,cert)"
fi
MACHINE="$(cat /proc/device-tree/digi,machine,name 2>/dev/null || \
cat /sys/kernel/machine/name)"
REGION_CODE="$(cat /proc/device-tree/digi,hwid,cert 2>/dev/null || \
cat /sys/kernel/${MACHINE}/mod_cert)"
US_CODE="0x0"
BDATA_SOURCE="Digi_6203-6233-World.bin"
if [ -n "${REGION_CODE}" -a "${US_CODE}" = "${REGION_CODE}" ]; then