26 lines
1.2 KiB
Plaintext
26 lines
1.2 KiB
Plaintext
post_install() {
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post_upgrade $1 0
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echo 'Please REBOOT your machine.'
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}
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post_upgrade() {
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# get uboot wifi macaddr
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tmpfile=$(mktemp -p /tmp)
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# found in 5.10.1 kernel, mmc device name may be inconsistent across reboots, so we avoid hardcoding
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mmcdevname=$(lsblk -d | grep -v 'mmcblk.boot' | grep mmcblk | xargs | cut -d ' ' -f1)
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echo "/dev/${mmcdevname} 0x27400000 0x10000" > $tmpfile
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mac_wifi=$(fw_printenv -c $tmpfile mac_wifi)
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rm $tmpfile
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mac=${mac_wifi#*=}
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# make sure we have got a correct mac address
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if ! grep -qiE '([0-9a-f][0-9a-f]:){5}[0-9a-f][0-9a-f]' <<< "$mac"; then
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# oops! Then we might generate a random one
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mac=$(sed 's/^.*\(..\)\(..\)\(..\)\(..\)\(..\)\(..\)$/\1:\2:\3:\4:\5:\6/' < /etc/machine-id)
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grep -qiE '([0-9a-f][0-9a-f]:){5}[0-9a-f][0-9a-f]' <<< "$mac" || exit 1
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fi
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sed -i "s/^macaddr=.*$/macaddr=${mac}/g" /usr/lib/firmware/updates/brcm/brcmfmac43455-sdio.phicomm,n1.txt
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# set bluetooth macaddr
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echo -en $(sed 's/^.*:\(..\):\(..\):\(..\)$/\\x\3\\x\2\\x\1/' <<< "$mac") | \
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dd of=/usr/lib/firmware/updates/brcm/BCM4345C0.hcd bs=1 seek=$((0x21)) count=3 conv=notrunc status=none
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}
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