mpman mp1000 GNU/Linux only

Hi,

i have mpman (mp1000) tablet with android 4.0.3.
http://philippe.legrand10.free.fr/TABLET/test/mpman-mid-104c---mp1000-.html (sorry is french site)

i need replace android with Debian GNU/Linux.

my question is:
is possible to replace android with "arm GNU/Linux" in "flash device" ? (not in sdcard like multiboot...)
if yes, how i can do that ?
is need special bootloader like u-boot ?

Thanks.

Try this link:

How to install Debian or other GNU/Linux to NAND

There is also more information there regarding the multi-boot NAND u-boot and kernel you need to use for a NAND boot.

the tablet can't boot from sdcard. (only black screen and some noise in speaker like fm radio)
tested with :
a10_base-1.3.img (Jeff rescue image http://forum.doozan.com/read.php?6,9396)
and
Fedora-17.arm7hl.sun4i.1GB-SDcard.tar.bz2 using SanDisk 1Gb sdcard.

i have modified file "rescue_shell" without sucsess :/
rescue_shell=1

any idea ?

Thanks.

i add some information about this tablet

MPman MID 104C
1Go of RAM
CPU A10 1Ghz
Model number: MP1000
Adroid version: 4.0.3
Baseband version: 1.1
Kernel version: 3.0.8+ inet_hzs@inetsuperserver #4
Build number: 01F2-R1-H2-H01-2181.20120614

Thanks

finally i have access remote ssh access :) (using Jeff rescue image)

[root@rescue ~]# cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 59.63
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2

Hardware : sun4i
Revision : 0000
Serial : 0000000000000000

kernel boot here: http://pastebin.com/mgNcrTqk

[root@rescue ~]# cat /proc/devices
Character devices:
1 mem
4 /dev/vc/0
4 tty
4 ttyS
5 /dev/tty
5 /dev/console
5 /dev/ptmx
7 vcs
10 misc
13 input
14 sound
29 fb
89 i2c
90 mtd
116 alsa
128 ptm
136 pts
150 cedar_dev
180 usb
189 usb_device
226 drm
229 hvc
247 hidraw
248 hdmi
249 lcd
250 media
251 g2d_chrdev
252 disp
253 bsg
254 rtc

Block devices:
1 ramdisk
259 blkext
31 mtdblock
93 nand
179 mmc

[root@rescue rescue]# lsmod
Module Size Used by Not tainted
usbhid 30012 0
hid 63929 1 usbhid
8192cu 477452 0
sun4i_wemac 29542 0
nls_utf8 914 1
nls_cp437 4510 1
vfat 7922 1
fat 40673 1 vfat

[root@rescue rescue]# ls /dev/nand*
/dev/nand /dev/nanda /dev/nandb /dev/nandc /dev/nandd /dev/nande /dev/nandf /dev/nandg /dev/nandh /dev/nandi

i try:
/sbin/a10_display
Usage /sbin/a10_display: <hdmi|vga|tv|lcd> <on|off|mode> [mode_number]

/sbin/a10_display lcd on
/sbin/a10_display vga mode 2
/sbin/a10_display lcd mode 2

without success, the screen is always black ): any idea ?

how i can backup full android ?
dd if=/dev/nand of=/mnt/usb/fullnand ? or one by one ?

Thanks.

Besides the backside this is exactly my tablet. :D
Thanks for the a10_display tip. Didn't know that. But I think you still need the correct script.bin. Most reliable would be to extract from Android (http://elinux.org/Hack_A10_devices) or you could try yordan's or mine since we both use 1024x600: http://forum.a10linux.org/read.php?9,123
You also need a distribution with framebuffer console or full X11 (with e.g. LXDE).
Also look into /var/log/Xorg.0.log if there's something wrong with drivers ...

------------------------------------------------------------
My A10 tablet (Point Of View [NL] ProTab2XXL 10" ICS)



Edited 1 time(s). Last edit at 09/26/2012 08:16AM by äxl.

The rescue image should automatically extract your system.bin from nanda and copy it to the /sysconfig directory on your sdcard. If you don't see system.bin in there, check the logs in /sysconfig/log/

Jeff Wrote:
-------------------------------------------------------
> The rescue image should automatically extract your
> system.bin from nanda and copy it to the
> /sysconfig directory on your sdcard.

found system.bin in root of sdcard.
(md5sum) b6d3e03ba202d6ae6d662b872478d94e system.bin
* log/deviceinfo.log http://pastebin.com/6LEjT28e

are you sure ? why the (LCD) display is off ?
is need to load LCD or other kernel module ?

i have add :
mknod /dev/sda b 8 0
mknod /dev/sda1 b 8 1
modprobe usb-storage
modprobe vfat
in "init-modules.sh" (to mount my usb key)

Thanks Jeff for your good work! without your "rescue image" i could not explore my hardware.

Quote

is possible to replace android with "arm GNU/Linux" in "flash device" ? (not in sdcard like multiboot...)

I did not realize earlier that you had not even booted properly with SD card yet. . .

Just to clarify this for you and others:
NAND boot is currently intended only for advanced users who already have MMC boot fully working.

Quote

i have modified file "rescue_shell" without sucsess :/ rescue_shell=1

The uboot-multi rescue shell is currently only for use with a serial console. If no serial console then it should not be enabled.

Quote

dd if=/dev/nand of=/mnt/usb/fullnand ? or one by one ?

Accessing /dev/nand, and also NAND Linux installation by repartitioning, is only possible using the 3.0.39+ kernel or later.

I have attached "nanda" files (no system.bin found, only script.bin and script0.bin)

Thanks.

script.bin is system.bin and the rescue system already copied it your sdcard as /sysconfig/system.bin There's no standard naming system, so it looks for anything named system.bin or script.bin.

So it looks like you're already using the correct file. I don't know why the LCD display is not working for you.

yes, work after copied manually (nanda)/script.bin to system.bin in root of sdcard.

Thanks.