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67 lines
1.2 KiB
Bash
67 lines
1.2 KiB
Bash
#!/bin/sh
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[ -e /lib/firmware/$FIRMWARE ] && exit 0
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. /lib/functions.sh
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. /lib/functions/system.sh
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ath9k_eeprom_die() {
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echo "ath9k eeprom: " "$*"
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exit 1
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}
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ath9k_eeprom_extract() {
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local part=$1
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local offset=$2
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local count=$3
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local mtd
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mtd=$(find_mtd_chardev $part)
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[ -n "$mtd" ] || \
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ath9k_eeprom_die "no mtd device found for partition $part"
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dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 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/$FIRMWARE
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}
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board=$(board_name)
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case "$FIRMWARE" in
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"ath9k-eeprom-pci-0000:00:00.0.bin")
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case $board in
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"avm,fritz300e")
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ath9k_eeprom_extract_reverse "urloader" 5441 1088
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;;
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"tplink,tl-wdr3600"|\
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"tplink,tl-wdr4300")
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ath9k_eeprom_extract "art" 20480 1088
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;;
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"tplink,tl-wr740n-v2"|\
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"ubnt,unifi")
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ath9k_eeprom_extract "art" 4096 2048
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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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