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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/boards/rockchip.rst | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/boards/rockchip.rst b/Documentation/boards/rockchip.rst index a5599c6d5f..d03c4686df 100644 --- a/Documentation/boards/rockchip.rst +++ b/Documentation/boards/rockchip.rst @@ -45,3 +45,42 @@ Instructions. * 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 + +Rockchip RK3568 +=============== + +RK3568 EVB +---------- + +Building +^^^^^^^^ + +The build process needs three binary files which have to be copied from the +`rkbin https://github.com/rockchip-linux/rkbin` repository to the barebox source tree: + +.. code-block:: sh + cp $RKBIN/rk35/rk3568_bl31_v1.24.elf firmware/rk3568-bl31.bin + cp $RKBIN/bin/rk35/rk3568_bl32_v1.05.bin firmware/rk3568-op-tee.bin + cp $RKBIN/bin/rk35/rk3568_ddr_1560MHz_v1.08.bin arch/arm/boards/rockchip-rk3568-evb/sdram-init.bin + +With these barebox can be compiled as: + +.. code-block:: sh + + make ARCH=arm rockchip_v8_defconfig + make ARCH=arm + +**NOTE** I found the bl32 firmware non working for me as of 7d631e0d5b2d373b54d4533580d08fb9bd2eaad4 in the rkbin repository. + +Creating a bootable SD card +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +A bootable SD card can be created with: + +.. code-block:: sh + + dd if=images/barebox-rk3568-evb.img of=/dev/sdx bs=1024 seek=32 + +The barebox image is written to the raw device, so make sure the partitioning +doesn't conflict with the are barebox is written to. Starting the first +partition at offset 8MiB is a safe bet. |