diff options
Diffstat (limited to 'docs/plat/imx9.rst')
| -rw-r--r-- | docs/plat/imx9.rst | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/docs/plat/imx9.rst b/docs/plat/imx9.rst new file mode 100644 index 0000000..4adaae3 --- /dev/null +++ b/docs/plat/imx9.rst @@ -0,0 +1,60 @@ +NXP i.MX 9 Series +================== + +Building on the market-proven i.MX 6 and i.MX 8 series, i.MX 9 series applications +processors bring together higher performance applications cores, an independent +MCU-like real-time domain, Energy Flex architecture, state-of-the-art security +with EdgeLock® secure enclave and dedicated multi-sensory data processing engines +(graphics, image, display, audio and voice). The i.MX 9 series, part of the EdgeVerse™ +edge computing platform, integrates hardware neural processing units across many +members of the series for acceleration of machine learning applications at the edge +`i.MX9 Applications Processors`_. + +Boot Sequence +------------- + +BootROM --> SPL --> BL31 --> BL33(u-boot) --> Linux kernel + +How to build +------------ + +Build Procedure +~~~~~~~~~~~~~~~ + +- Prepare AARCH64 toolchain. + +- Get the ELE FW image from NXP linux SDK package + +- Build SPL and u-boot firstly, and get binary images: u-boot-spl.bin, + u-boot.bin and dtb + +- Build TF-A + + Build bl31: + + .. code:: shell + + CROSS_COMPILE=aarch64-linux-gnu- make PLAT=<Target_SoC> bl31 + + Target_SoC should be "imx93" for i.MX93 SoC. + +Deploy TF-A Images +~~~~~~~~~~~~~~~~~~ + +TF-A binary(bl31.bin), u-boot-spl.bin u-boot.bin, ELE FW image are combined +together to generate a binary file called flash.bin, the imx-mkimage tool is +used to generate flash.bin, and flash.bin needs to be flashed into SD card +with certain offset for BOOT ROM. + +Reference Documentation +~~~~~~~~~~~~~~~~~~~~~~~ + +Details on how to prepare, generate & deploy the boot image be found in following documents: + +- i.MX Linux User's Guide + `link <https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX>`__ +- i.MX Linux Reference Manual + `link <https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX>`__ + +.. _i.MX9 Applications Processors: https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i-mx-applications-processors/i-mx-9-processors:IMX9-PROCESSORS + |