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barebox/Documentation/boards/rockchip.rst

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Rockchip RK3188
===============
Radxa Rock
----------
Radxa Rock is a small SBC based on Rockchip RK3188 SoC.
See http://radxa.com/Rock for additional information.
Building
^^^^^^^^
.. code-block:: sh
make ARCH=arm radxa_rock_defconfig
make ARCH=arm
Creating bootable SD card
^^^^^^^^^^^^^^^^^^^^^^^^^
This will require a DRAM setup blob and additional utilities, see above.
Card layout (block == 0x200 bytes).
============ ==========================================
Block Number Name
============ ==========================================
0x0000 DOS partition table
0x0040 RK bootinfo (BootROM check sector)
0x0044 DRAM setup routine
0x005C Bootloader (barebox)
0x0400 Barebox environment
0x0800 Free space start
============ ==========================================
Instructions.
* Make 2 partitions on SD for boot and root filesystems.
* Checkout and compile https://github.com/apxii/rkboottools
* Get some RK3188 bootloader from https://github.com/neo-technologies/rockchip-bootloader
* Run "rk-splitboot RK3188Loader(L)_V2.13.bin" command. (for example).
You will get FlashData file with others. It's a DRAM setup blob.
* Otherwise it can be borrowed from RK U-boot sources from
https://github.com/linux-rockchip/u-boot-rockchip/blob/u-boot-rk3188/tools/rk_tools/3188_LPDDR2_300MHz_DDR3_300MHz_20130830.bin
* Run "rk-makebootable FlashData barebox-radxa-rock.bin rrboot.bin"
* Insert SD card and run "dd if=rrboot.bin of=</dev/sdcard> bs=$((0x200)) seek=$((0x40))"
* SD card is ready