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|
#!/bin/sh
# Based on ar71xx 10-ath9k-eeprom
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
. /lib/functions/lantiq.sh
. /lib/upgrade/nand.sh
# xor multiple hex values of the same length
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_eeprom_die() {
echo "ath9k eeprom: $*"
exit 1
}
ath9k_eeprom_extract_raw() {
local source=$1
local offset=$2
local swap=$3
local size=4096
local bs=1
local conv=
if [ $swap -gt 0 ]; then
bs=2
conv="conv=swab"
size=$((size / bs))
offset=$((offset / bs))
fi
dd if=$source of=/lib/firmware/$FIRMWARE bs=$bs skip=$offset count=$size $conv 2>/dev/null || \
ath9k_eeprom_die "failed to extract from $mtd"
}
ath9k_eeprom_extract() {
local part=$1
local offset=$2
local swap=$3
local mtd
mtd=$(find_mtd_chardev $part)
[ -n "$mtd" ] || \
ath9k_eeprom_die "no mtd device found for partition $part"
ath9k_eeprom_extract_raw $mtd $offset $swap
}
ath9k_ubi_eeprom_extract() {
local part=$1
local offset=$2
local swap=$3
local ubidev=$(nand_find_ubi $CI_UBIPART)
local ubi
ubi=$(nand_find_volume $ubidev $part)
[ -n "$ubi" ] || \
ath9k_eeprom_die "no UBI volume found for $part"
ath9k_eeprom_extract_raw /dev/$ubi $offset $swap
}
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}"
}
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=$mac_offset count=6
}
case "$FIRMWARE" in
"ath9k-eeprom-pci-0000:00:0e.0.bin" | \
"ath9k-eeprom-pci-0000:01:00.0.bin" | \
"ath9k-eeprom-pci-0000:02:00.0.bin")
board=$(lantiq_board_name)
case "$board" in
ARV7518PW)
ath9k_eeprom_extract "boardconfig" 1024 1
;;
ARV8539PW22)
ath9k_eeprom_extract "art" 1024 1
;;
BTHOMEHUBV2B)
ath9k_eeprom_extract "art" 0 1
ath9k_patch_fw_mac_crc "00:00:00:00:00:00" 524
;;
BTHOMEHUBV3A)
ath9k_eeprom_extract "art-copy" 0 1
ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot_env ethaddr) +2) 268
;;
BTHOMEHUBV5A)
ath9k_ubi_eeprom_extract "caldata" 4096 0
ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_binary_ubi caldata 4364) +2) 268
;;
DGN3500*)
ath9k_eeprom_extract "calibration" 61440 0
ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot-env ethaddr) +2) 524
;;
FRITZ3370|FRITZ7320|FRITZ7360SL)
ath9k_eeprom_extract "urlader" 2437 0
;;
TDW8970|TDW8980)
ath9k_eeprom_extract "boardconfig" 135168 0
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
esac
|
