50 lines
1.2 KiB
Bash
50 lines
1.2 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/system.sh
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do_patch_ath10k_firmware() {
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local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin"
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# bail out if firmware does not exist
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[ -f "$firmware_file" ] || return
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local mac_offset=276
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local mac_length=6
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local default_mac="00:03:07:12:34:56"
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local current_mac="$(hexdump -v -n $mac_length -s $mac_offset -e '5/1 "%02x:" 1/1 "%02x"' $firmware_file 2>/dev/null)"
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# check if mac address was already patched
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[ "$default_mac" = "$current_mac" ] || return
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# some boards have bogus mac in otp (= directly in the PCIe card's EEPROM).
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# we have to patch the default mac in the firmware because we cannot change
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# the otp.
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case $(board_name) in
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dgl-5500-a1|\
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tew-823dru)
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local mac
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mac=$(mtd_get_mac_ascii nvram wlan1_mac)
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cp $firmware_file /tmp/ath10k-firmware.bin
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macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
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conv=notrunc bs=1 seek=$mac_offset count=$mac_length
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;;
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esac
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[ -f /tmp/ath10k-firmware.bin ] || return
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cp /tmp/ath10k-firmware.bin $firmware_file
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rm /tmp/ath10k-firmware.bin
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}
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check_patch_ath10k_firmware() {
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case $(board_name) in
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dgl-5500-a1|\
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tew-823dru)
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do_patch_ath10k_firmware
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;;
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esac
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}
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boot_hook_add preinit_main check_patch_ath10k_firmware
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