OpenWrt – Rev 4

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#!/bin/sh
# Based on ar71xx 11-ath10k-caldata and 10-rt2x00-eeprom

[ -e /lib/firmware/$FIRMWARE ] && exit 0

. /lib/functions.sh
. /lib/functions/system.sh
. /lib/upgrade/nand.sh

ath10k_caldata_die() {
        echo "ath10k caldata: " "$*"
        exit 1
}

ath10k_caldata_extract_ubi() {
        local part=$1
        local offset=$2
        local count=$3
        local ubidev=$(nand_find_ubi $CI_UBIPART)
        local ubi

        ubi=$(nand_find_volume $ubidev $part)
        [ -n "$ubi" ] || \
                ath10k_caldata_die "no UBI volume found for $part"

        dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
                ath10k_caldata_die "failed to extract from $ubi"
}

ath10k_caldata_set_macaddr() {
        local macaddr=$1

        macaddr_2bin $macaddr | dd of=/lib/firmware/$FIRMWARE \
                                conv=notrunc bs=1 seek=6 count=6
}

case "$FIRMWARE" in
"ath10k/cal-pci-0000:02:00.0.bin")
        board=$(board_name)
        case $board in
                bt,homehub-v5a)
                        ath10k_caldata_extract_ubi "caldata" 20480 2116
                        ath10k_caldata_set_macaddr $(macaddr_add $(mtd_get_mac_binary_ubi caldata 4364) +3)
                        ;;
                *)
                        ath10k_caldata_die "board $board is not supported yet"
                        ;;
        esac
        ;;
esac