initial
parent
2c182be8ee
commit
0d37f1cd36
|
@ -0,0 +1,32 @@
|
||||||
|
# reMarkable 2 Recovery / Unbricking
|
||||||
|
|
||||||
|
Tools for recovery (works only under Linux)
|
||||||
|
|
||||||
|
|
||||||
|
## Prerequisites
|
||||||
|
|
||||||
|
To put the rM2 in recovery, you will need:
|
||||||
|
- USB-C breakout board
|
||||||
|
- Pogo pin adapter to usb
|
||||||
|
- [imx_usb_loader](https://github.com/boundarydevices/imx_usb_loader) a binary is included, but feel free to compile it
|
||||||
|
|
||||||
|
|
||||||
|
![Pogo](images/pogo1.jpg)
|
||||||
|
![USB-C Breakout](images/usb1.jpg)
|
||||||
|
|
||||||
|
|
||||||
|
## Recovery Mode
|
||||||
|
* run `dmesg -w` on your host to monitor
|
||||||
|
* power off the device
|
||||||
|
* connect the USB-C breakout board
|
||||||
|
* pull down **B8** (connect a 10K resistor to GND)
|
||||||
|
* connect the pogo pins to the tablet and to the host usb
|
||||||
|
* if the device does not start on its own, press the Power Button
|
||||||
|
* you should see a new device *USB HID v1.10 Device [Freescale SemiConductor Inc SE Blank ULT1]*
|
||||||
|
* run `./imx_usb`
|
||||||
|
* should see *USB Mass Storage device detected*
|
||||||
|
* should see a new mountable block device
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,2 @@
|
||||||
|
#vid:pid, config_file
|
||||||
|
0x15a2:0x0076, mx7_usb_work.conf
|
|
@ -0,0 +1,36 @@
|
||||||
|
mx7
|
||||||
|
#hid/bulk,[old_header,]max packet size,dcd_addr,{ram start, ram size}(repeat valid ram areas)
|
||||||
|
hid,1024,0x910000,0x80000000,1G,0x00900000,0x20000
|
||||||
|
#u-boot.imx:dcd,plug
|
||||||
|
#zImage-4.14.78:load 0x80800000
|
||||||
|
#zero-sugar.dtb:load 0x83000000
|
||||||
|
#initramfs.cpio.gz.uboot:load 0x83800000
|
||||||
|
#u-boot.imx:clear_dcd,plug,jump header2
|
||||||
|
u-boot-ums.imx:jump header
|
||||||
|
#file:dcd,plug,load nnn,jump [nnn/header/header2]
|
||||||
|
#jump nnn - header is after last downloaded word
|
||||||
|
# entire file is loaded before jump, needs load nnn as well
|
||||||
|
# i.e. file:load nnn,jump nnn
|
||||||
|
#jump header - only length parameter is downloaded
|
||||||
|
#header - uses existing header(error if none), but clears plug and dcd values unless plug also specified
|
||||||
|
#header2 - uses 2nd header found(error if none)
|
||||||
|
#plug - without jump uses header but clears plug flag to stop after plug execution
|
||||||
|
#load nnn - load entire file to address
|
||||||
|
#../u-boot-imx6/u-boot.bin:dcd,plug,jump header
|
||||||
|
#:modify,020e02a8,7,1
|
||||||
|
#:modify,020e00bc,7,4
|
||||||
|
#:read,020e02a8
|
||||||
|
#:read,020e00bc
|
||||||
|
#:read,020c4078
|
||||||
|
#:modify,020c407c,0,0f000000
|
||||||
|
#:modify,020c4080,0,c00
|
||||||
|
#:read,020c4084
|
||||||
|
#../imx_utils/mx6_ddr_init_xm.bin:dcd
|
||||||
|
#../u-boot-imx6/u-boot.bin:load 0x13effc00
|
||||||
|
#../u-boot-imx6/u-boot.imx:load 0x13f00000
|
||||||
|
#../u-boot-dirk/u-boot.imx:load 0x13f00000
|
||||||
|
#u-boot-6w.bin:load 0x13effc00
|
||||||
|
#u-boot_1103.bin:load 0x13effc00
|
||||||
|
#u-boot_1103.bin:jump header
|
||||||
|
#../imx_utils/mx6_ecspi_ram_write_xm.bin:clear_dcd,plug
|
||||||
|
#../imx6_obds/output/mx61/bin/diag-obds-mx61qsb-rev1.bin:jump header
|
Binary file not shown.
Loading…
Reference in New Issue