The GnuBee Personal Cloud Two crowdfunded on https://www.crowdsupply.com It is a low-cost, low-power, network-attached storage device. Specifications: - SoC: MediaTek MT7621AT - RAM: DDR3 512 MB - Flash: 32 MB - Six SATA ports for 3.5" Drives - One SDcard - One USB 3.0 - Two USB 2.0 - Gigabit Ethernet: Three Ports - UART 3.5mm Audio Jack or 3 pin header - 57600 8N1 - Three GPIOs available on a pin header Flash instructions: The GnuBee Personal Cloud Two ships with libreCMC installed. libreCMC is a Free Software Foundation approved fork of LEDE/OpenWrt. As such one can upgrade using the webinterface or sysupgrade. Das U-Boot has multiple options for recovery or updates including : - USB - http - tftp Errata: - While there are three ethernet ports, the third requires support for the second GMAC. This will come in kernel 4.14. - The first hard drive slot has a clearance issue with the two fan headers. Workaround is to pull the headers out and connect the pins to jumper wires. - Using this device as a NAS is problematic with the 4.9 kernel as many /dev/sdX reads throw silent errors. The current theory behind this is some kind of unhandled DMA mapping error in the kernel. This is not an issue with kernel 4.4. Signed-off-by: L. D. Pinney <ldpinney@gmail.com> Signed-off-by: Rosen Penev <rosenp@gmail.com>master
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/dts-v1/; |
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#include "mt7621.dtsi" |
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#include <dt-bindings/gpio/gpio.h> |
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#include <dt-bindings/input/input.h> |
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/ { |
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compatible = "gnubee,gb-pc2", "mediatek,mt7621-soc"; |
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model = "GB-PC2"; |
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memory@0 { |
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device_type = "memory"; |
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reg = <0x0 0x1c000000>, <0x20000000 0x4000000>; |
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}; |
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chosen { |
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bootargs = "console=ttyS0,57600"; |
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}; |
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palmbus: palmbus@1E000000 { |
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i2c@900 { |
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status = "okay"; |
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}; |
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}; |
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gpio-keys-polled { |
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compatible = "gpio-keys-polled"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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poll-interval = <20>; |
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reset { |
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label = "reset"; |
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gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>; |
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linux,code = <KEY_RESTART>; |
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}; |
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}; |
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gpio-leds { |
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compatible = "gpio-leds"; |
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system { |
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label = "gb-pc2:green:system"; |
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gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; |
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}; |
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status { |
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label = "gb-pc2:green:status"; |
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gpios = <&gpio0 8 GPIO_ACTIVE_LOW>; |
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}; |
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lan { |
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label = "gb-pc2:green:lan"; |
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gpios = <&gpio0 24 GPIO_ACTIVE_LOW>; |
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}; |
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wan { |
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label = "gb-pc2:green:wan"; |
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gpios = <&gpio0 25 GPIO_ACTIVE_LOW>; |
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}; |
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eth1-y { |
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label = "gb-pc2:yellow:eth1-y"; |
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gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; |
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}; |
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eth1-g { |
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label = "gb-pc2:green:eth1-g"; |
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gpios = <&gpio0 15 GPIO_ACTIVE_LOW>; |
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}; |
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}; |
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}; |
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&sdhci { |
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status = "okay"; |
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}; |
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&spi0 { |
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status = "okay"; |
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m25p80@0 { |
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#address-cells = <1>; |
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#size-cells = <1>; |
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compatible = "jedec,spi-nor"; |
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reg = <0>; |
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spi-max-frequency = <10000000>; |
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m25p,chunked-io = <32>; |
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partition@0 { |
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label = "u-boot"; |
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reg = <0x0 0x30000>; |
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read-only; |
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}; |
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partition@30000 { |
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label = "u-boot-env"; |
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reg = <0x30000 0x10000>; |
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read-only; |
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}; |
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factory: partition@40000 { |
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label = "factory"; |
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reg = <0x40000 0x10000>; |
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read-only; |
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}; |
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partition@50000 { |
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label = "firmware"; |
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reg = <0x50000 0x1fb0000>; |
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}; |
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}; |
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}; |
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&cpuclock { |
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compatible = "fixed-clock"; |
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clock-frequency = <900000000>; |
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}; |
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&pcie { |
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status = "okay"; |
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}; |
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ðernet { |
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mtd-mac-address = <&factory 0xe000>; |
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}; |
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&pinctrl { |
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state_default: pinctrl0 { |
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gpio { |
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ralink,group = "uart3"; |
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ralink,function = "gpio"; |
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}; |
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}; |
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}; |
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