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Diffstat (limited to 'bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-init-wifi.sh')
| -rw-r--r-- | bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-init-wifi.sh | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-init-wifi.sh b/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-init-wifi.sh new file mode 100644 index 00000000..fe3be3b4 --- /dev/null +++ b/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-init-wifi.sh @@ -0,0 +1,121 @@ +#!/bin/sh +# +# Copyright (c) 2019 Digi International Inc. +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, you can obtain one at http://mozilla.org/MPL/2.0/. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# + +# At this point of the boot (udev script), the system log (syslog) is not +# available yet, so use the kernel log buffer from userspace. +log() { + printf "<$1>qca6564: $2\n" >/dev/kmsg +} + +# Do nothing if the module is already loaded +grep -qws 'wlan' /proc/modules && exit 0 + +FIRMWARE_DIR="/lib/firmware" +MACFILE="${FIRMWARE_DIR}/wlan/wlan_mac.bin" +TMP_MACFILE="$(mktemp -t wlan_mac.XXXXXX)" + +# Read the MACs from DeviceTree. We can have up to four wireless interfaces +# The only required one is wlan0 that is mapped with device tree mac address +# without suffix. +for index in $(seq 0 3); do + MAC_ADDR="$(hexdump -ve '1/1 "%02X"' /proc/device-tree/wireless/mac-address${index%0} 2>/dev/null)" + if [ "${index}" = "0" ] && { [ -z "${MAC_ADDR}" ] || [ "${MAC_ADDR}" = "00:00:00:00:00:00" ]; }; then + # Set a default MAC for wlan0 + MAC_ADDR="0004F3FFFFFB" + fi + + # Add the MAC address to the firmware file with the expected format + echo "Intf${index}MacAddress=${MAC_ADDR}" >> ${TMP_MACFILE} +done + +# Override the MAC firmware file only if the MAC file has changed. +if ! cmp -s ${TMP_MACFILE} ${MACFILE}; then + cp ${TMP_MACFILE} ${MACFILE} +fi +rm -f "${TMP_MACFILE}" + +OTP_REGION_CODE="$(cat /proc/device-tree/digi,hwid,cert 2>/dev/null | tr -d '\0')" +DTB_REGION_CODE="$(cat /proc/device-tree/wireless/regulatory-domain 2>/dev/null | tr -d '\0')" +US_CODE="0x0" +WW_CODE="0x1" +JP_CODE="0x2" +# Check if the DTB_REGION_CODE is in the list of valid codes, +# if not use the OTP programmed value. +case "${DTB_REGION_CODE}" in + ${US_CODE} | ${WW_CODE} | ${JP_CODE}) + REGULATORY_DOMAIN="${DTB_REGION_CODE}";; + *) + if [ -n "${DTB_REGION_CODE}" ]; then + log "5" "[WARN] Invalid region code in device tree, using OTP value" + fi + REGULATORY_DOMAIN="${OTP_REGION_CODE}";; +esac + + +# Create symbolic links to the proper FW files depending on the country region +# Use a sub-shell here to change to firmware directory +( + cd "${FIRMWARE_DIR}" + + BDATA_SOURCE="bdwlan30_US.bin" + case "${REGULATORY_DOMAIN}" in + ${US_CODE}) + log "5" "Setting US wireless region";; + ${WW_CODE}|${JP_CODE}) + if [ -f "bdwlan30_World.bin" ]; then + log "5" "Setting WW (world wide) wireless region" + BDATA_SOURCE="bdwlan30_World.bin" + else + log "5" "[WARN] No WW (worldwide) board data file, using US" + fi + ;; + "") + log "5" "[WARN] region code not found, using US";; + *) + log "5" "[WARN] Invalid region code, using US";; + esac + + # We don't want to rewrite NAND every time we boot so only + # change the links if they are wrong. + BDATA_LINK="bdwlan30.bin" + UTFBDATA_LINK="utfbd30.bin" + if [ ! -e "${BDATA_LINK}" ] || ! cmp -s "${BDATA_LINK}" "${BDATA_SOURCE}"; then + ln -sf "${BDATA_SOURCE}" "${BDATA_LINK}" + ln -sf "${BDATA_SOURCE}" "${UTFBDATA_LINK}" + fi +) + +# Load the wireless module with the params defined in modprobe.d/qca6564.conf +# and reduce the console log level to avoid debug messages at boot time +LOGLEVEL="$(sed -ne 's,^kernel.printk[^=]*=[[:blank:]]*\(.*\)$,\1,g;T;p' /etc/sysctl.conf 2>/dev/null)" +[ -n "${LOGLEVEL}" ] && sysctl -q -w kernel.printk="${LOGLEVEL}" +modprobe wlan + +# Verify the interface is present +if [ -d "/sys/class/net/wlan0" ]; then + # Create 'wlan1' virtual interface + if [ -s "/proc/device-tree/wireless/mac-address1" ] && + [ -s "/proc/device-tree/wireless/mac-address2" ] && + [ -s "/proc/device-tree/wireless/mac-address3" ]; then + : + else + echo "[WARN] Using default MAC addresses for virtual interfaces." + fi + iw dev wlan0 interface add wlan1 type __ap +else + log "3" "[ERROR] Loading qca6564 module" +fi |