qualcommax: ipq807x: add support for Linksys MX8500

Hardware specification:
========
SoC: Qualcomm IPQ8072A
Flash: 512MB (Fidelix FMND4G08S3J-ID)
RAM: 1GB (2x Kingston DDR3L D2516ECMDXGJD)
Ethernet: 1x 10/100/1000/2500/5000Mbps (Marvell AQR114C)
Ethernet: 4x 10/100/1000Mbps (Qualcomm QCA8075)
WiFi1: 6GHz ax 4x4 (Qualcomm QCN9024 + Skyworks SKY85784-11) - channels 33-229
WiFi2: 5GHz ax 4x4 (Qualcomm QCN5054 + Skyworks SKY85755-11) - channels 36-177
WiFi3: 2.4GHz ax 4x4 (Qualcomm QCN5024 + Skyworks SKY8340-11)
IoT: Bluetooth 5, Zigbee and Thread (NXP K32W041)
LED: 1x RGB status (NXP PCA9633)
USB: 1x USB 3.0
Button: WPS, Reset

Flash instructions:
========
1. Manually upgrade firmware using openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin image.
More details can be found here: https://www.linksys.com/support-article?articleNum=47547
After first boot check actual partition:
- fw_printenv -n boot_part
and install firmware on second partition using command in case of 2:
- mtd -r -e kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin kernel
and in case of 1:
- mtd -r -e alt_kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin alt_kernel

2. Installation using serial connection from OEM firmware (default login: root, password: admin):
- fw_printenv -n boot_part
In case of 2:
- flash_erase /dev/mtd21 0 0
- nandwrite -p /dev/mtd21 openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin
or in case of 1:
- flash_erase /dev/mtd23 0 0
- nandwrite -p /dev/mtd23 openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin
After first boot install firmware on second partition:
- mtd -r -e kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin kernel
or:
- mtd -r -e alt_kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin alt_kernel

3. Installation from initramfs image using USB drive:
Put the initramfs image on the USB drive:
- dd bs=1M if=openwrt-qualcommax-ipq807x-linksys_mx8500-initramfs-uImage.itb of=/dev/sda
Stop u-boot and run:
- usb start && usbboot $loadaddr 0 && bootm $loadaddr
Write firmware to the flash from initramfs:
- mtd -e kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin kernel
and:
- mtd -r -e alt_kernel -n write openwrt-qualcommax-ipq807x-linksys_mx8500-squashfs-factory.bin alt_kernel

4. Back to the OEM firmware:
- mtd -e kernel -n write FW_MX8500_1.0.11.208937_prod.img kernel
and:
- mtd -r -e alt_kernel -n write FW_MX8500_1.0.11.208937_prod.img alt_kernel

5. USB recovery:
Put the initramfs image on the USB:
- dd bs=1M if=openwrt-qualcommax-ipq807x-linksys_mx8500-initramfs-uImage.itb of=/dev/sda
Set u-boot env:
- fw_setenv bootusb 'usb start && usbboot $loadaddr 0 && bootm $loadaddr'
- fw_setenv bootcmd 'run bootusb; if test $auto_recovery = no; then bootipq; elif test $boot_part = 1; then run bootpart1; else run bootpart2; fi'

AQR firmware:
========
1. Firmware loading:
To properly load the firmware and initialize AQR PHY, we must use the u-boot aq_load_fw function.
To do this, you need to modify u-boot env:
With USB recovery:
- fw_setenv bootcmd 'aq_load_fw; run bootusb; if test $auto_recovery = no; then bootipq; elif test $boot_part = 1; then run bootpart1; else run bootpart2; fi'
and without:
- fw_setenv bootcmd 'aq_load_fw; if test $auto_recovery = no; then bootipq; elif test $boot_part = 1; then run bootpart1; else run bootpart2; fi'

2. Firmware updating:
Newer firmware (AQR-G4_v5.6.5-AQR_WNC_SAQA-L2_GT_ID45287_VER24005.cld) is available in the latest OEM firmware.
To load this firmware via u-boot, we need to add the MBN header and update 0:ethphyfw partition.
For MBN header we can use script from this repository: https://github.com/testuser7/aqr_mbn_tool
- python aqr_mbn_tool.py AQR-G4_v5.6.5-AQR_WNC_SAQA-L2_GT_ID45287_VER24005.cld
To update partition we need to install kmod-mtd-rw package first:
- insmod mtd-rw.ko i_want_a_brick=1
- mtd -e /dev/mtd26 -n write aqr_fw.mbn /dev/mtd26

Signed-off-by: Paweł Owoc <frut3k7@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/14883
Signed-off-by: Robert Marko <robimarko@gmail.com>

2 files changed, 4 insertions, 1 deletions

diff --git a/package/boot/uboot-envtools/files/qualcommax_ipq807x b/package/boot/uboot-envtools/files/qualcommax_ipq807x
index 312fdf8d87..060871396b 100644
--- a/package/boot/uboot-envtools/files/qualcommax_ipq807x
+++ b/package/boot/uboot-envtools/files/qualcommax_ipq807x
@@ -31,7 +31,8 @@ edimax,cax1800)
 	;;
 linksys,mx4200v1|\
 linksys,mx4200v2|\
-linksys,mx5300)
+linksys,mx5300|\
+linksys,mx8500)
 	idx="$(find_mtd_index u_env)"
 	[ -n "$idx" ] && \
 		ubootenv_add_uci_config "/dev/mtd$idx" "0x0" "0x40000" "0x20000" "2"
diff --git a/package/firmware/ipq-wifi/Makefile b/package/firmware/ipq-wifi/Makefile
index 68448a6ec1..2ffd2e014c 100644
--- a/package/firmware/ipq-wifi/Makefile
+++ b/package/firmware/ipq-wifi/Makefile
@@ -37,6 +37,7 @@ ALLWIFIBOARDS:= \
 	edimax_cax1800 \
 	linksys_mx4200 \
 	linksys_mx5300 \
+	linksys_mx8500 \
 	netgear_lbr20 \
 	netgear_rax120v2 \
 	netgear_wax214 \
@@ -157,6 +158,7 @@ $(eval $(call generate-ipq-wifi-package,edgecore_eap102,Edgecore EAP102))
 $(eval $(call generate-ipq-wifi-package,edimax_cax1800,Edimax CAX1800))
 $(eval $(call generate-ipq-wifi-package,linksys_mx4200,Linksys MX4200))
 $(eval $(call generate-ipq-wifi-package,linksys_mx5300,Linksys MX5300))
+$(eval $(call generate-ipq-wifi-package,linksys_mx8500,Linksys MX8500))
 $(eval $(call generate-ipq-wifi-package,netgear_lbr20,Netgear LBR20))
 $(eval $(call generate-ipq-wifi-package,netgear_rax120v2,Netgear RAX120v2))
 $(eval $(call generate-ipq-wifi-package,netgear_wax214,Netgear WAX214))