#!/bin/sh
+. /lib/functions/k2t.sh
+
+# xor multiple hex values of the same length
+xor() {
+ local val
+ local ret="0x$1"
+ local retlen=${#1}
+
+ shift
+ while [ -n "$1" ]; do
+ val="0x$1"
+ ret=$((ret ^ val))
+ shift
+ done
+
+ printf "%0${retlen}x" "$ret"
+}
+
ath10kcal_die() {
echo "ath10cal: " "$*"
exit 1
macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
}
+ath10kcal_patch_mac_crc() {
+ local mac=$1
+ local mac_offset=6
+ local chksum_offset=2
+ local xor_mac
+ local xor_fw_mac
+ local xor_fw_chksum
+
+ xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
+ xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
+
+ ath10kcal_patch_mac "$mac" && {
+ xor_mac=${mac//:/}
+ xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
+
+ xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
+ xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
+
+ printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
+ dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
+ }
+}
+
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
;;
esac
;;
+"ath10k/pre-cal-pci-0000:00:00.0.bin")
+ case $board in
+ phicomm,k2t)
+ ath10kcal_extract "art" 20480 12064
+ ath10kcal_patch_mac_crc $(k2t_get_mac "5g_mac")
+
+ ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
+ /lib/firmware/ath10k/QCA9888/hw2.0/board.bin
+ ;;
+ esac
+ ;;
*)
exit 1
;;