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diff --git a/Documentation/boards/imx/zii-vf610-dev/readme.rst b/Documentation/boards/imx/zii-vf610-dev/readme.rst new file mode 100644 index 0000000000..08ae0e0e67 --- /dev/null +++ b/Documentation/boards/imx/zii-vf610-dev/readme.rst @@ -0,0 +1,53 @@ +ZII VF610 Based Boards +====================== + +Building Barebox +---------------- + +To build Barebox for ZII VF610 based boards do the following: + +.. code-block:: sh + + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> mrproper + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> zii_vf610_dev_defconfig + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> + +Uploading Barebox via JTAG +-------------------------- + +Barebox can be bootstrapped via JTAG using OpenOCD (latest master) as +follows: + +.. code-block:: sh + + cd barebox + Documentation/boards/imx/zii-vf610-dev/bootstrap.sh + +A custom OpenOCD binary and options can be specified as follows: + +.. code-block:: sh + + OPENOCD="../openocd/src/openocd -s ../openocd/tcl " \ + Documentation/boards/imx/zii-vf610-dev/bootstrap.sh + +Writing Barebox to NVM +---------------------- + +With exception of Dev boards, all of ZII's VF610 based boards should +come with eMMC. To permanently write Barebox to it do: + +.. code-block:: sh + + barebox_update -t eMMC -y barebox.img + +This should also automatically configure your board to boot that +image. Note that the original ZII stack's bootloader in eMMC should be +left intact. Barebox is configured to be programmed to one of the MMC boot +partitions, whereas the original bootloader is located in user partition. + +To restore the board to booting using the original bootloader do: + +.. code-block:: sh + + detect mmc0 + mmc0.boot=disabled |