Western Digital Cloud Mirror Gen2

My Cloud Mirror
Support	Support page
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Western Digital Cloud Mirror Gen2
Type	NAS
CPU1 Y	Marvell 88F6820
CPU1 Type	ARMv7 Cortex-A9
CPU1 Speed	not specified ( 2 cores )
Flash1 Chip	SK hynix H27U2G8F2CTR
Flash1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br /> (NAND)
RAM1 Size	512 MiB 536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	Marvell 88F6820
Ethernet Port Count	1-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
Stock bootloader	U-Boot
Expansion IF types	USB 3.0, SATA 3
USB ports	2
SATA Ports	2
USB Hub Compatible	Untested
Power	12 VDC, 3 A
Serial Port (UART)	yes, 3.3V TTL, (115200 8N1)
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Retail
Availability	End of Life

For a list of all currently documented Marvell chipsets with specifications, see Marvell.

For a list of all currently documented Western Digital devices with specifications, see Western Digital.

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)

Target: mvebu
Subtarget: cortexa9
Package architecture: arm_cortex-a9_vfpv3-d16
Supported Since Commit
Support started version: 24.10.0
Current supported version: 24.10.5

LAN Comment: Marvell 88E1512-NNP2 Gigabit Ethernet Transceiver
WLAN Comment: No WLAN
Installation method(s):
see git-commit
Recovery method(s):
see git-commit

git • >>

mvebu: Add support for WD Cloud Mirror Gen2 Hardware -------- Marvell Armada 385 (MV88F6820) 512B RAM 256MB NAND (SK hynix H27U2G8F2CTR) 1x 1Gbit 2x USB 3.0 2x SATA-III UART: 115200 8N1 3.3V RTC Weltrend MCU WT6703F connected via UART1 for Power LED / PWM Fan / hw reset / WoL Installation ------------ Connect UART 3.3V adapter to JP2 pins: 1-RX / 2-GND / 5-TX Use USB2.0 FAT32 pendrive with openwrt-mvebu-cortexa9-wd_cloud-mirror-gen2-initramfs-kernel.bin 1. stop boot by pressing 1 2. usb start 3. fatload usb 0:1 0x02000000 openwrt-mvebu-cortexa9-wd_cloud-mirror-gen2-initramfs-kernel.bin;bootm 0x02000000 - 4. do backup mtd1 mtd3 5. use sysupgrade Or tftp 1. stop boot by pressing 1 2. setenv ethact egiga2;setenv serverip 192.168.11.114;setenv ipaddr 192.168.11.113 3. tftpboot 0x02000000 openwrt-mvebu-cortexa9-wd_cloud-mirror-gen2-initramfs-kernel.bin; bootm 0x02000000 - 4. do backup mtd1 mtd3 5. use sysupgrade or Evgeny Kolesnikov <evgenyz@gmail.com> method from his failed PR 2040 - Using original firmware's network settings obtain SSH access to the device. - Put *-image-cfs-factory.bin and *-uImage-factory.bin images into device's /tmp directory. - Write kernel (uImage) image 'flash_eraseall /dev/mtd1 && nandwrite --markbad -p /dev/mtd1 /tmp/*-uImage-factory.bin'. - Write rootfs (image-cfs) image 'ubiformat /dev/mtd3 -f /tmp/*-image.cfs-factory.bin -y'. - Reboot the device. Installation (upgrade): Use *-sysupgrade.bin in a usual way. Weltrend MCU control is done via uart1 19200 stty -F /dev/ttyS1 raw speed 19200 stty -F /dev/ttyS1 raw speed 19200 PWM Fan Control off: 00 echo -n -e '\xfa\x02\x00\x00\x00\x00\xfb' > /dev/ttyS1 slow: 5F echo -n -e '\xfa\x02\x00\x5f\x00\x00\xfb' > /dev/ttyS1 max: FF echo -n -e '\xfa\x02\x00\xff\x00\x00\xfb' > /dev/ttyS1 Power LED Control Blue echo -n -e '\xfa\x26\x00\x11\x00\x01\xfb' > /dev/ttyS1 Red echo -n -e '\xfa\x26\x00\x14\x00\x01\xfb' > /dev/ttyS1 Orange echo -n -e '\xfa\x26\x00\x12\x00\x01\xfb' > /dev/ttyS1 more here: https://github.com/c-MM/mcm-daemon/blob/master/mcm.h