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Diffstat (limited to 'doc/board/microsoft/surface-2.rst')
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diff --git a/doc/board/microsoft/surface-2.rst b/doc/board/microsoft/surface-2.rst new file mode 100644 index 00000000000..8185c6f5ae4 --- /dev/null +++ b/doc/board/microsoft/surface-2.rst @@ -0,0 +1,41 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +U-Boot for the Microsoft Surface 2 tablet +========================================= + +Quick Start +----------- + +- Build U-Boot +- Boot + +Build U-Boot +------------ + +.. code-block:: bash + + $ export CROSS_COMPILE=arm-none-eabi- + $ make surface-2_defconfig + $ make + +After the build succeeds, you will obtain the final ``u-boot-dtb-tegra.bin`` +image, ready for loading. + +Boot +---- + +Currently, U-Boot can be preloaded into RAM via the Fusée Gelée. To enter +RCM protocol use ``power`` and ``volume up`` key combination from powered +off device. The host PC should recognize an APX device. + +Built U-Boot ``u-boot-dtb-tegra.bin`` can be loaded from fusee-tools +directory with + +.. code-block:: bash + + $ ./run_bootloader.sh -s T30 -t ./bct/surface-2.bct + +To boot Linux, U-Boot will look for an ``extlinux.conf`` on MicroSD and then on +eMMC. Additionally, if the Volume Down button is pressed while loading, the +device will enter bootmenu. Bootmenu contains entries to mount MicroSD and eMMC +as mass storage, fastboot, poweroff and enter U-Boot console. |