ar71xx: Add support for D-Link DAP-1330 a1
[openwrt/openwrt.git] / target / linux / ar71xx / base-files / lib / preinit / 82_patch_ath10k
index 0455ecbcd9d2d9d88e6e2c66414c4e64509c8994..cc3dc42c9c74bb58cf1c7f76ba704eaf069267d2 100644 (file)
@@ -1,43 +1,48 @@
 #!/bin/sh
 
+. /lib/functions.sh
 . /lib/functions/system.sh
-. /lib/ar71xx.sh
-
 
 do_patch_ath10k_firmware() {
-       local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-3.bin"
-       local firmware_md5_orig="5163aa8de591f80b06c77f22e9777473"
-       local firmware_md5_current="$(md5sum $firmware_file)"
-       local firmware_md5_current="${firmware_md5_current%% *}"
-
-       # verify md5sum before patching
-       [ "firmware_md5_orig" != "firmware_md5_current" ] || {
-               return
-       }
-
-       # some boards have bogus mac in otp, patch the default mac in the firmware
-       case $(ar71xx_board_name) in
-               dgl-5500-a1)
-                       local mac
-                       mac=$(mtd_get_mac_ascii nvram wlan1_mac)
-
-                       cp $firmware_file /tmp/ath10k-firmware.bin
-                       macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
-                               conv=notrunc bs=1 seek=280 count=6
-
+       local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin"
+
+       # bail out if firmware does not exist
+       [ -f "$firmware_file" ] || return
+
+       local mac_offset=276
+       local mac_length=6
+       local default_mac="00:03:07:12:34:56"
+       local current_mac="$(hexdump -v -n $mac_length -s $mac_offset -e '5/1 "%02x:" 1/1 "%02x"' $firmware_file  2>/dev/null)"
+
+       # check if mac address was already patched
+       [ "$default_mac" = "$current_mac" ] || return
+
+       # some boards have bogus mac in otp (= directly in the PCIe card's EEPROM).
+       # we have to patch the default mac in the firmware because we cannot change
+       # the otp.
+       case $(board_name) in
+       dgl-5500-a1|\
+       tew-823dru)
+               local mac
+               mac=$(mtd_get_mac_ascii nvram wlan1_mac)
+
+               cp $firmware_file /tmp/ath10k-firmware.bin
+               macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
+                       conv=notrunc bs=1 seek=$mac_offset count=$mac_length
                ;;
        esac
-       [ -f /tmp/ath10k-firmware.bin ] || {
-               return
-       }
+
+       [ -f /tmp/ath10k-firmware.bin ] || return
+
        cp /tmp/ath10k-firmware.bin $firmware_file
        rm /tmp/ath10k-firmware.bin
 }
 
 check_patch_ath10k_firmware() {
-       case $(ar71xx_board_name) in
-               dgl-5500-a1)
-                       do_patch_ath10k_firmware
+       case $(board_name) in
+       dgl-5500-a1|\
+       tew-823dru)
+               do_patch_ath10k_firmware
                ;;
        esac
 }