diff options
Diffstat (limited to 'target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k')
| -rw-r--r-- | target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k new file mode 100644 index 0000000..4da611a --- /dev/null +++ b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k @@ -0,0 +1,51 @@ +#!/bin/sh + +. /lib/functions/system.sh +. /lib/ar71xx.sh + + +do_patch_ath10k_firmware() { + local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin" + + # bail out if firmware does not exist + [ -f "$firmware_file" ] || { + return + } + + local firmware_md5_orig="36768dc68572b3f2660211e20e89f558" + local firmware_md5_current="$(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=276 count=6 + + ;; + esac + [ -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 + ;; + esac +} + +boot_hook_add preinit_main check_patch_ath10k_firmware |