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179 lines
4.1 KiB
Bash
179 lines
4.1 KiB
Bash
#!/bin/sh
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# Based on ar71xx 10-ath9k-eeprom
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[ -e /lib/firmware/$FIRMWARE ] && exit 0
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. /lib/functions.sh
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. /lib/functions/system.sh
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. /lib/upgrade/nand.sh
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# xor multiple hex values of the same length
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xor() {
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local val
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local ret="0x$1"
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local retlen=${#1}
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shift
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while [ -n "$1" ]; do
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val="0x$1"
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ret=$((ret ^ val))
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shift
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done
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printf "%0${retlen}x" "$ret"
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}
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ath9k_eeprom_die() {
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echo "ath9k eeprom: $*"
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exit 1
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}
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ath9k_eeprom_extract_raw() {
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local source=$1
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local offset=$2
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local swap=$3
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local size=4096
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local bs=1
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local conv=
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if [ $swap -gt 0 ]; then
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bs=2
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conv="conv=swab"
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size=$((size / bs))
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offset=$((offset / bs))
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fi
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dd if=$source of=/lib/firmware/$FIRMWARE bs=$bs skip=$offset count=$size $conv 2>/dev/null || \
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ath9k_eeprom_die "failed to extract from $mtd"
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}
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ath9k_eeprom_extract_reverse() {
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local part=$1
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local offset=$2
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local count=$3
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local mtd
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local reversed
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local caldata
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mtd=$(find_mtd_chardev "$part")
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reversed=$(hexdump -v -s $offset -n $count -e '/1 "%02x "' $mtd)
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for byte in $reversed; do
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caldata="\x${byte}${caldata}"
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done
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printf "%b" "$caldata" > /lib/firmware/$FIRMWARE
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}
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ath9k_eeprom_extract() {
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local part=$1
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local offset=$2
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local swap=$3
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local mtd
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mtd=$(find_mtd_chardev $part)
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[ -n "$mtd" ] || \
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ath9k_eeprom_die "no mtd device found for partition $part"
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ath9k_eeprom_extract_raw $mtd $offset $swap
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}
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ath9k_ubi_eeprom_extract() {
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local part=$1
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local offset=$2
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local swap=$3
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local ubidev=$(nand_find_ubi $CI_UBIPART)
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local ubi
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ubi=$(nand_find_volume $ubidev $part)
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[ -n "$ubi" ] || \
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ath9k_eeprom_die "no UBI volume found for $part"
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ath9k_eeprom_extract_raw /dev/$ubi $offset $swap
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}
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ath9k_patch_fw_mac_crc() {
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local mac=$1
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local mac_offset=$2
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local chksum_offset=$((mac_offset - 10))
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ath9k_patch_fw_mac "${mac}" "${mac_offset}" "${chksum_offset}"
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}
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ath9k_patch_fw_mac() {
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local mac=$1
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local mac_offset=$2
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local chksum_offset=$3
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local xor_mac
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local xor_fw_mac
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local xor_fw_chksum
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[ -z "$mac" -o -z "$mac_offset" ] && return
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[ -n "$chksum_offset" ] && {
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xor_mac=${mac//:/}
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xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
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xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
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xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
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xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
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xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
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printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
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dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
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}
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macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$mac_offset count=6
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}
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case "$FIRMWARE" in
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"ath9k-eeprom-pci-0000:00:0e.0.bin" | \
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"ath9k-eeprom-pci-0000:01:00.0.bin" | \
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"ath9k-eeprom-pci-0000:02:00.0.bin")
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board=$(board_name)
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case "$board" in
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arcadyan,arv7518pw)
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ath9k_eeprom_extract "boardconfig" 1024 1
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;;
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arcadyan,arv8539pw22)
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ath9k_eeprom_extract "art" 1024 1
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;;
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bt,homehub-v2b)
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ath9k_eeprom_extract "art" 0 1
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ath9k_patch_fw_mac_crc "00:00:00:00:00:00" 524
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;;
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bt,homehub-v3a)
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ath9k_eeprom_extract "art-copy" 0 1
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ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot_env ethaddr) +2) 268
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;;
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bt,homehub-v5a)
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ath9k_ubi_eeprom_extract "caldata" 4096 0
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ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_binary_ubi caldata 4364) +2) 268
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;;
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netgear,dgn3500|netgear,dgn3500b)
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ath9k_eeprom_extract "calibration" 61440 0
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ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot-env ethaddr) +2) 524
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;;
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avm,fritz3370-rev2-hynix|\
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avm,fritz3370-rev2-micron|\
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avm,fritz7362sl)
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ath9k_eeprom_extract_reverse "urlader" 5441 1088
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;;
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avm,fritz7312|avm,fritz7320|avm,fritz7360sl)
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ath9k_eeprom_extract "urlader" 2437 0
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;;
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avm,fritz7412)
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/usr/bin/fritz_cal_extract -i 1 -s 0x1e000 -e 0x207 -l 4096 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader")
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;;
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tplink,tdw8970|tplink,tdw8980)
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ath9k_eeprom_extract "boardconfig" 135168 0
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;;
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*)
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ath9k_eeprom_die "board $board is not supported yet"
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;;
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esac
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;;
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esac
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