A13 tablet: Difference between revisions

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===Flashing===
===Flashing===
* Figure out how to enter FEL mode.
* FEL mode procedure
** Detach all wiring.
** Hold volume and power for about 3 secs. Screen will remain black, but green light should turn on.
** Connecting USB and running lsusb should give you a device with an ID of 1f3a:efe8
** Build sunxi-tools and "$ ./sunxi-fel ver" should return a string like: AWUSBFEX soc=00001625(A13) 00000001 ver=0001 44 08 scratchpad=00007e00 00000000 00000000
* No obviously exposed UART/JTAG - might be tied to uSD slot
* No obviously exposed UART/JTAG - might be tied to uSD slot
* Entering FEL is part of the boot process (handled by the masked BROM): https://linux-sunxi.org/Boot_Process
* Entering FEL is part of the boot process (handled by the masked BROM): https://linux-sunxi.org/Boot_Process

Revision as of 00:24, 29 November 2015

Allwinner A13 Chinese Tablet

90% of info will come from: https://linux-sunxi.org/Main_Page

Hardware

  • Board model: TW_A0910_16B_V1.1_0830 (silkscreened). The id tag is searchable as "TW_A0910"
  • Manufacturing: 2013 08 30 (silkscreened)
  • Screen size: 9" , 800x480
  • touch controller: gslx680 - https://github.com/jabjoe/sunxi-gslx680
  • wifi: Realtek RTL8188 - has been in linux kernel forever at this point
  • Power management: AXP209 - drivers should already be in linux-arm-kernel / datenblatt: https://linux-sunxi.org/AXP209
  • Flash: Hynix
  • RAM: 256X16 DDR3 Generic (4GB)

Flashing

Bootloader

  • A13 is now mainlined on U-boot

Kernel

Debian bootstrap

  • TODO