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.. SPDX-License-Identifier: GPL-2.0+
phyCORE-i.MX 91/93
==================
U-Boot for the phyCORE-i.MX 91/93. Both SoC variants, that is i.MX 91 and i.MX 93,
are supported by same board code, however each variant uses different defconfig
and ATF/ELE firmware blobs. Please follow the correct steps for the populated SoC.
Quick Start
-----------
- Get and Build the ARM Trusted firmware
- Get the DDR firmware
- Get ahab-container.img
- Build U-Boot
Get and Build the ARM Trusted firmware
--------------------------------------
Note: srctree is U-Boot source directory
Get ATF from: https://github.com/nxp-imx/imx-atf/
branch: lf_v2.12
For phyCORE-i.MX 91 variant:
.. code-block:: bash
$ unset LDFLAGS
$ make PLAT=imx91 bl31
$ cp build/imx91/release/bl31.bin $(srctree)
For phyCORE-i.MX 93 variant:
.. code-block:: bash
$ unset LDFLAGS
$ make PLAT=imx93 bl31
$ cp build/imx93/release/bl31.bin $(srctree)
Get the DDR firmware
--------------------
.. code-block:: bash
$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.21.bin
$ chmod +x firmware-imx-8.21.bin
$ ./firmware-imx-8.21.bin
$ cp firmware-imx-8.21/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
Get ahab-container.img
---------------------------------------
.. code-block:: bash
$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-ele-imx-1.3.0-17945fc.bin
$ chmod +x firmware-ele-imx-1.3.0-17945fc.bin
$ ./firmware-ele-imx-1.3.0-17945fc.bin
$ cp firmware-ele-imx-1.3.0-17945fc/mx91a0-ahab-container.img $(srctree)
$ cp firmware-ele-imx-1.3.0-17945fc/mx93a1-ahab-container.img $(srctree)
Build U-Boot
------------
For phyCORE-i.MX 91 variant:
.. code-block:: bash
$ make imx91-phycore_defconfig
$ make
For phyCORE-i.MX 93 variant:
.. code-block:: bash
$ make imx93-phycore_defconfig
$ make
Burn the flash.bin to MicroSD card offset 32KB:
.. code-block:: bash
$ dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
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