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https://github.com/openwrt/openwrt.git
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b133e466b0
This changes size and offset set for WiFi caldata extraction and MAC address adjustment to hexadecimal notation. This will be much clearer for the reader when numbers are big, and will also match the style used for mtd-cal-data in DTS files. Since dd cannot deal with hexadecimal notation, one has to convert back to decimal by simple $(($hexnum)). Acked-by: Alexander Couzens <lynxis@fe80.eu> Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
80 lines
1.8 KiB
Bash
80 lines
1.8 KiB
Bash
#!/bin/sh
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rt2x00_eeprom_die() {
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echo "rt2x00 eeprom: " "$*"
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exit 1
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}
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rt2x00_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_part $part)
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[ -n "$mtd" ] || \
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rt2x00_eeprom_die "no mtd device found for partition $part"
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dd if=$mtd of=/lib/firmware/$FIRMWARE iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \
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rt2x00_eeprom_die "failed to extract from $mtd"
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}
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jboot_eeprom_extract() {
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local part=$1
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local offset=$2
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local mtd
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mtd=$(find_mtd_part $part)
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[ -n "$mtd" ] || \
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rt2x00_eeprom_die "no mtd device found for partition $part"
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jboot_config_read -i $mtd -o $offset -e /lib/firmware/$FIRMWARE 2>/dev/null || \
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rt2x00_eeprom_die "failed to extract from $mtd"
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}
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rt2x00_eeprom_set_macaddr() {
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local macaddr=$1
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[ -n "$macaddr" ] || \
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rt2x00_eeprom_die "invalid wlan mac address"
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macaddr_2bin $macaddr | dd of=/lib/firmware/$FIRMWARE \
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conv=notrunc oflag=seek_bytes bs=6 seek=4 count=1 2>/dev/null || \
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rt2x00_eeprom_die "failed to write mac address to eeprom file"
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}
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FW="/lib/firmware/$FIRMWARE"
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[ -e "$FW" ] && exit 0
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. /lib/functions.sh
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. /lib/functions/system.sh
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board=$(board_name)
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case "$FIRMWARE" in
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"soc_wmac.eeprom")
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case $board in
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dlink,dir-510l|\
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dlink,dwr-116-a1|\
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dlink,dwr-118-a1|\
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dlink,dwr-118-a2|\
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dlink,dwr-921-c1|\
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dlink,dwr-922-e2|\
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lava,lr-25g001)
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wan_mac=$(jboot_config_read -m -i $(find_mtd_part "config") -o 0xE000)
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wifi_mac=$(macaddr_add "$wan_mac" 1)
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jboot_eeprom_extract "config" 0xE000
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rt2x00_eeprom_set_macaddr $wifi_mac
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;;
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dovado,tiny-ac)
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wifi_mac=$(mtd_get_mac_ascii u-boot-env INIC_MAC_ADDR)
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rt2x00_eeprom_extract "factory" 0x0 0x200
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rt2x00_eeprom_set_macaddr $wifi_mac
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;;
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*)
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rt2x00_eeprom_die "Please define mtd-eeprom in $board DTS file!"
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;;
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esac
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;;
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esac
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