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|
#!/bin/sh
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
ath9k_eeprom_die() {
echo "ath9k eeprom: " "$*"
exit 1
}
ath9k_eeprom_extract() {
local part=$1
local offset=$2
local count=$3
local mtd
mtd=$(find_mtd_chardev $part)
[ -n "$mtd" ] || \
ath9k_eeprom_die "no mtd device found for partition $part"
dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath9k_eeprom_die "failed to extract from $mtd"
}
ath9k_eeprom_extract_reverse() {
local part=$1
local offset=$2
local count=$3
local mtd
local reversed
local caldata
mtd=$(find_mtd_chardev "$part")
reversed=$(hexdump -v -s $offset -n $count -e '/1 "%02x "' $mtd)
for byte in $reversed; do
caldata="\x${byte}${caldata}"
done
printf "%b" "$caldata" > /lib/firmware/$FIRMWARE
}
xor() {
local val
local ret="0x$1"
local retlen=${#1}
shift
while [ -n "$1" ]; do
val="0x$1"
ret=$((ret ^ val))
shift
done
printf "%0${retlen}x" "$ret"
}
ath9k_patch_fw_mac() {
local mac=$1
local mac_offset=$2
local chksum_offset=$3
local xor_mac
local xor_fw_mac
local xor_fw_chksum
[ -z "$mac" -o -z "$mac_offset" ] && return
[ -n "$chksum_offset" ] && {
xor_mac=${mac//:/}
xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
}
macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$mac_offset count=6
}
ath9k_patch_fw_mac_crc() {
local mac=$1
local mac_offset=$2
local chksum_offset=$((mac_offset - 10))
ath9k_patch_fw_mac "${mac}" "${mac_offset}" "${chksum_offset}"
}
board=$(board_name)
case "$FIRMWARE" in
"ath9k-eeprom-ahb-18100000.wmac.bin")
case $board in
iodata,wn-ac1600dgr2)
ath9k_eeprom_extract "art" 4096 1088
ath9k_patch_fw_mac $(mtd_get_mac_ascii u-boot-env ethaddr) 2
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:00.0.bin")
case $board in
avm,fritz300e)
ath9k_eeprom_extract_reverse "urloader" 5441 1088
;;
ocedo,raccoon|\
tplink,tl-wdr3600|\
tplink,tl-wdr4300|\
tplink,tl-wdr4900-v2)
ath9k_eeprom_extract "art" 20480 1088
;;
netgear,wnr612-v2|\
on,n150r|\
pcs,cap324|\
tplink,tl-mr3220-v1|\
tplink,tl-mr3420-v1|\
tplink,tl-wr2543-v1|\
tplink,tl-wr740n-v1|\
tplink,tl-wr740n-v3|\
tplink,tl-wr741-v1|\
tplink,tl-wr743nd-v1|\
tplink,tl-wr841-v7|\
ubnt,unifi)
ath9k_eeprom_extract "art" 4096 2048
;;
tplink,tl-wr841-v5|\
tplink,tl-wr941-v4)
ath9k_eeprom_extract "art" 4096 3768
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:11.0.bin")
case $board in
dlink,dir-825-b1)
ath9k_eeprom_extract "caldata" 4096 3768
ath9k_patch_fw_mac_crc $(mtd_get_mac_text "caldata" 65440) 524
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:12.0.bin")
case $board in
dlink,dir-825-b1)
ath9k_eeprom_extract "caldata" 20480 3768
ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_text "caldata" 65460) 1) 524
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
esac
|
