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| -rw-r--r-- | docs/plat/meson-gxbb.rst | 26 |
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diff --git a/docs/plat/meson-gxbb.rst b/docs/plat/meson-gxbb.rst new file mode 100644 index 0000000..dbd83e0 --- /dev/null +++ b/docs/plat/meson-gxbb.rst @@ -0,0 +1,26 @@ +Amlogic Meson S905 (GXBB) +========================= + +The Amlogic Meson S905 is a SoC with a quad core Arm Cortex-A53 running at +1.5Ghz. It also contains a Cortex-M3 used as SCP. + +This port is a minimal implementation of BL31 capable of booting mainline U-Boot +and Linux: + +- SCPI support. +- Basic PSCI support (CPU_ON, CPU_OFF, SYSTEM_RESET, SYSTEM_OFF). Note that CPU0 + can't be turned off, so there is a workaround to hide this from the caller. +- GICv2 driver set up. +- Basic SIP services (read efuse data, enable/disable JTAG). + +In order to build it: + +.. code:: shell + + CROSS_COMPILE=aarch64-linux-gnu- make DEBUG=1 PLAT=gxbb bl31 + +This port has been tested in a ODROID-C2. After building it, follow the +instructions in the `U-Boot repository`_, replacing the mentioned **bl31.bin** +by the one built from this port. + +.. _U-Boot repository: https://gitlab.denx.de/u-boot/u-boot/-/blob/master/board/amlogic/p200/README.odroid-c2 |