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diff --git a/docs/plat/meson-g12a.rst b/docs/plat/meson-g12a.rst new file mode 100644 index 0000000..9588ec4 --- /dev/null +++ b/docs/plat/meson-g12a.rst @@ -0,0 +1,27 @@ +Amlogic Meson S905X2 (G12A) +=========================== + +The Amlogic Meson S905X2 is a SoC with a quad core Arm Cortex-A53 running at +~1.8GHz. 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=g12a + +This port has been tested on a SEI510 board. After building it, follow the +instructions in the `gxlimg repository`_ or `U-Boot repository`_, replacing the +mentioned **bl31.img** by the one built from this port. + +.. _gxlimg repository: https://github.com/repk/gxlimg/blob/master/README.g12a +.. _U-Boot repository: https://github.com/u-boot/u-boot/blob/master/doc/board/amlogic/sei510.rst |