openwrt/target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom
John Crispin 83693c911a ramips: add function to change rt2x00 wifi eeprom mac
Some boards like dovado tiny ac have generic ralink mac in onflash wifi eeprom.
Add eeprom_set_macaddr function to rt2x00 eeprom extract script which changes mac addr insde eeprom dump.

Signed-off-by: Andrej Vlasic <andrej.vlasic0@gmail.com>

SVN-Revision: 47347
2015-11-02 10:17:41 +00:00

63 lines
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#!/bin/sh
rt2x00_eeprom_die() {
echo "rt2x00 eeprom: " "$*"
exit 1
}
rt2x00_eeprom_extract() {
local part=$1
local offset=$2
local count=$3
local mtd
. /lib/functions.sh
mtd=$(find_mtd_part $part)
[ -n "$mtd" ] || \
rt2x00_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 || \
rt2x00_eeprom_die "failed to extract from $mtd"
}
rt2x00_eeprom_set_macaddr() {
local macaddr=$1
[ -n "$macaddr" ] || \
rt2x00_eeprom_die "invalid wlan mac address"
macaddr_2bin $macaddr | dd of=/lib/firmware/$FIRMWARE \
conv=notrunc bs=1 seek=4 count=6 2>/dev/null || \
rt2x00_eeprom_die "failed to write mac address to eeprom file"
}
FW="/lib/firmware/$FIRMWARE"
[ -e "$FW" ] && exit 0
. /lib/ramips.sh
. /lib/functions/system.sh
board=$(ramips_board_name)
case "$FIRMWARE" in
"soc_wmac.eeprom")
case $board in
*)
rt2x00_eeprom_die "Please define mtd-eeprom in $board DTS file!"
;;
esac
;;
"rt2x00pci_1_0.eeprom")
case $board in
cy-swr1100)
rt2x00_eeprom_extract "factory" 8192 512
;;
br-6475nd | rt-n56u | whr-600d | whr-1166d)
rt2x00_eeprom_extract "factory" 32768 512
;;
esac
;;
esac