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authorMatthew Hagan <mnhagan88@gmail.com>2021-05-09 23:28:04 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2021-11-28 17:51:52 +0100
commit67f52012760ce553ba6393aaba77359a458deeda (patch)
tree81f4063bef17e16f9986bf57bff4601fc9b68cb3 /target/linux/ipq806x/base-files
parent6e5b8c6300019e8148008060dfbabb008c2a5ec5 (diff)
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ipq806x: add support for Cisco Meraki MR42/MR52
The MR42 and MR52 are two similar IPQ806x based devices from the Cisco Meraki "Cryptid" series. MR42 main features: - IPQ8068 1.4GHz - 512MB RAM - 128MB NAND - 2x QCA9992 (2.4 & 5GHz) - 1x QCA9889 (2.4 & 5GHz) - 1x AR8033 PHY - PoE/AC power MR52 main features: - IPQ8068 1.4GHz - 512MB RAM - 128MB NAND - 2x QCA9994 (2.4 & 5GHz) - 1x QCA9889 (2.4 & 5GHz) - 2x AR8033 PHYs - PoE/AC power (MR42 Only) Installation via diagnostic mode: If you can successfully complete step 1 then you can continue to install via this method without having to open the device. Otherwise please use the standard UART method. Please note that when booting via TFTP, some Ethernet devices, in particular those on laptops, will not connect in time, resulting in TFTP boot not succeeding. In this instance it is advised to connect via a switch. 1. Hold down reset at power on and keep holding, after around 10 seconds if the orange LED changes behaviour to begin flashing, proceed to release reset, then press reset two times. Ensure that the LED has turned blue. Note that flashing will occur on some devices, but it will not be possible to change the LED colour using the reset button. In this case it will still be possible to continue with this install method. 2. Set your IP to 192.168.1.250. Set up a TFTP server serving mr42_u-boot.mbn and openwrt-ipq806x-generic-meraki_mr42-initramfs-fit-uImage.itb, obtained from [1]. 3. Use telnet and connect to 192.168.1.1. Run the following commands to install u-boot. Note that all these commands are critical, an error will likely render the device unusable. Option 3.1: If you are sure you have set up the TFTP server correctly you can run this script on the device. This will download and flash the u-boot image immediately: `/etc/update_uboot.sh 192.168.1.250 mr42_u-boot.mbn` Once completed successfully, power off the device. Option 3.2: If you are unsure the TFTP server is correctly set up you can obtain the image and flash manually: 3.2.1. `cd /tmp` 3.2.2. `tftp-hpa 192.168.1.250 -m binary -c get mr42_u-boot.mbn` 3.2.3. Confirm file has downloaded correctly by comparing the md5sum: `md5sum mr42_u-boot.mbn` 3.2.4. The following are the required commands to write the image. `echo 1 > /sys/devices/platform/msm_nand/boot_layout mtd erase /dev/mtd1 nandwrite -pam /dev/mtd1 mr42_u-boot.mbn echo 0 > /sys/devices/platform/msm_nand/boot_layout` Important: You must observe the output of the `nandwrite` command. Look for the following to verify writing is occurring: `Writing data to block 0 at offset 0x0 Writing data to block 1 at offset 0x20000 Writing data to block 2 at offset 0x40000` If you do not see this then do not power off the device. Check your previous commands and that mr42_u-boot.mbn was downloaded correctly. Once you are sure the image has been written you can proceed to power off the device. 4. Hold the reset button and power on the device. This will immediately begin downloading the appropriate initramfs image and boot into it. Note: If the device does not download the initramfs, this is likely due to the interface not being brought up in time. Changing Ethernet source to a router or switch will likely resolve this. You can also try manually setting the link speed to 10Mb/s Half-Duplex. 5. Once a solid white LED is displayed on the device, continue to the UART installation method, step 6. Standard installation via UART - MR42 & MR52 1. Disassemble the device and connect a UART header. The header pinout is as follows: 1 - 3.3v 2 - TXD 3 - RXD 4 - GND Important: You should only connect TXD, RXD and GND. Connecting 3.3v may damage the device. 2. Set your IP to 192.168.1.250. Set up a TFTP server serving openwrt-ipq806x-generic-meraki_(mr42|mr52)-initramfs-fit-uImage.itb. Separately obtain the respective sysupgrade image. 3. Run the following commands, preferably from a Linux host. The mentioned files, including ubootwrite.py and u-boot images, can be obtained from [1]. `python ubootwrite.py --write=(mr42|mr52)_u-boot.bin` The default for "--serial" option is /dev/ttyUSB0. 4. Power on the device. The ubootwrite script will upload the image to the device and launch it. The second stage u-boot will in turn load the initramfs image by TFTP, provided the TFTP server is running correctly. This process will take about 13 minutes. Once a solid white LED is displayed, the image has successfully finished loading. Note: If the image does not load via TFTP, try again with the Ethernet link to 10Mb/s Half-Duplex. 5. (MR42 only) Do not connect over the network. Instead connect over the UART using minicom or similar tool. To replace u-boot with the network enabled version, please run the following commands. Note that in the provided initramfs images, the u-boot.mbn file is located in /root: If you have not used the provided initramfs, you must ensure you are using an image with "boot_layout" ECC configuration enabled in the Kernel. This will be version 5.10 or higher. If you do not do this correctly the device will be bricked. `insmod mtd-rw i_want_a_brick=1 mtd erase /dev/mtd8 nandwrite -pam /dev/mtd8 /root/mr42_u-boot.mbn` After running nandwrite, ensure you observe the following output: `Writing data to block 0 at offset 0x0 Writing data to block 1 at offset 0x20000 Writing data to block 2 at offset 0x40000` 6. (Optional) If you have no further use for the Meraki OS, you can remove all other UBI volumes on ubi0 (mtd11), including diagnostic1, part.old, storage and part.safe. You must not remove the ubi1 ART partition (mtd12). `for i in diagnostic1 part.old storage part.safe ; do ubirmvol /dev/ubi0 -N $i done` 7. Proceed to flash the sysupgrade image via luci, or else download or scp the image to /tmp and use the sysupgrade command. [1] The mentioned images and ubootwrite.py script can be found in this repo: https://github.com/clayface/openwrt-cryptid [2] The modified u-boot sources for the MR42 and MR52 are available: https://github.com/clayface/U-boot-MR52-20200629 Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
Diffstat (limited to 'target/linux/ipq806x/base-files')
-rw-r--r--target/linux/ipq806x/base-files/etc/board.d/01_leds4
-rw-r--r--target/linux/ipq806x/base-files/etc/board.d/02_network6
-rw-r--r--target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata29
-rw-r--r--target/linux/ipq806x/base-files/lib/upgrade/platform.sh5
4 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/ipq806x/base-files/etc/board.d/01_leds b/target/linux/ipq806x/base-files/etc/board.d/01_leds
index 097ba0afe1..2b259b9036 100644
--- a/target/linux/ipq806x/base-files/etc/board.d/01_leds
+++ b/target/linux/ipq806x/base-files/etc/board.d/01_leds
@@ -21,6 +21,10 @@ edgecore,ecw5410)
ucidef_set_led_wlan "wlan2g" "WLAN2G" "green:wlan2g" "phy1tpt"
ucidef_set_led_wlan "wlan5g" "WLAN5G" "green:wlan5g" "phy0tpt"
;;
+meraki,mr52)
+ ucidef_set_led_netdev "eth0" "eth0" "green:lan1" "eth0"
+ ucidef_set_led_netdev "eth1" "eth1" "green:lan2" "eth1"
+ ;;
nec,wg2600hp)
ucidef_set_led_wlan "wlan2g" "WLAN2G" "green:wlan2g" "phy1tpt"
ucidef_set_led_wlan "wlan5g" "WLAN5G" "green:wlan5g" "phy0tpt"
diff --git a/target/linux/ipq806x/base-files/etc/board.d/02_network b/target/linux/ipq806x/base-files/etc/board.d/02_network
index 65a0e98b3b..4cb691f32e 100644
--- a/target/linux/ipq806x/base-files/etc/board.d/02_network
+++ b/target/linux/ipq806x/base-files/etc/board.d/02_network
@@ -44,6 +44,12 @@ linksys,ea8500)
ucidef_set_interface_macaddr "lan" "$hw_mac_addr"
ucidef_set_interface_macaddr "wan" "$hw_mac_addr"
;;
+meraki,mr42)
+ ucidef_set_interface_lan "eth0"
+ ;;
+meraki,mr52)
+ ucidef_set_interfaces_lan_wan "eth0" "eth1"
+ ;;
nec,wg2600hp3)
ucidef_add_switch "switch0" \
"2:lan" "3:lan" "4:lan" "5:lan" "0@eth1" "1:wan" "6@eth0"
diff --git a/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index 8de4e052cc..78315d4516 100644
--- a/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -7,6 +7,14 @@
board=$(board_name)
case "$FIRMWARE" in
+"ath10k/cal-pci-0000:01:00.0.bin")
+ case "$board" in
+ meraki,mr52)
+ CI_UBIPART=art
+ caldata_extract_ubi "ART" 0x1000 0x844
+ ;;
+ esac
+ ;;
"ath10k/pre-cal-pci-0000:01:00.0.bin")
case $board in
askey,rt4230w-rev6)
@@ -26,6 +34,10 @@ case "$FIRMWARE" in
caldata_extract "art" 0x1000 0x2f20
ath10k_patch_mac $(macaddr_add $(mtd_get_mac_ascii devinfo hw_mac_addr) 1)
;;
+ meraki,mr42)
+ CI_UBIPART=art
+ caldata_extract_ubi "ART" 0x1000 0x2f20
+ ;;
netgear,d7800 |\
netgear,r7500v2 |\
netgear,r7800 |\
@@ -64,6 +76,11 @@ case "$FIRMWARE" in
caldata_extract "art" 0x5000 0x2f20
ath10k_patch_mac $(macaddr_add $(mtd_get_mac_ascii devinfo hw_mac_addr) 2)
;;
+ meraki,mr42 |\
+ meraki,mr52)
+ CI_UBIPART=art
+ caldata_extract_ubi "ART" 0x5000 0x2f20
+ ;;
netgear,d7800 |\
netgear,r7500v2 |\
netgear,r7800 |\
@@ -80,11 +97,23 @@ case "$FIRMWARE" in
;;
esac
;;
+"ath10k/cal-pci-0002:01:00.0.bin")
+ case "$board" in
+ meraki,mr42)
+ CI_UBIPART=art
+ caldata_extract_ubi "ART" 0x9000 0x844
+ ;;
+ esac
+ ;;
"ath10k/pre-cal-pci-0002:01:00.0.bin")
case $board in
edgecore,ecw5410)
caldata_extract "0:art" 0x5000 0x2f20
;;
+ meraki,mr52)
+ CI_UBIPART=art
+ caldata_extract_ubi "ART" 0x9000 0x2f20
+ ;;
esac
;;
*)
diff --git a/target/linux/ipq806x/base-files/lib/upgrade/platform.sh b/target/linux/ipq806x/base-files/lib/upgrade/platform.sh
index 308d7017b3..3d96457dbd 100644
--- a/target/linux/ipq806x/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ipq806x/base-files/lib/upgrade/platform.sh
@@ -45,6 +45,11 @@ platform_do_upgrade() {
linksys,ea8500)
platform_do_upgrade_linksys "$1"
;;
+ meraki,mr42 |\
+ meraki,mr52)
+ CI_KERNPART="bootkernel2"
+ nand_do_upgrade "$1"
+ ;;
tplink,ad7200 |\
tplink,c2600)
PART_NAME="os-image:rootfs"