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doc: sl-mx8mm: Update the NXP TF-A source reference

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Use the latest version of the NXP TF-A code and add a note about
quirks with GCC 12.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Convert Note: to ..note::
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Frieder Schrempf 2023-01-19 12:20:36 +01:00 • committed by Heinrich Schuchardt
parent 4a30efa264
commit a93985ddfc
1 changed files with 13 additions and 6 deletions
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19
doc/board/kontron/sl-mx8mm.rst
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@ -29,22 +29,29 @@ Quick Start
Get and Build the Trusted Firmware-A (TF-A)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Note: builddir is U-Boot build directory (source directory for in-tree builds)
There are two sources for the TF-A. Mainline and NXP. Get the one you prefer
(support and features might differ).
.. note::
If you are using GCC 12 and you get compiler/linker errors, try to add the
following arguments to your make command as workaround:
``CFLAGS="-Wno-array-bounds" LDFLAGS="--no-warn-rwx-segments"``
**NXP's imx-atf**
1. Get TF-A from: https://source.codeaurora.org/external/imx/imx-atf, branch: imx_5.4.70_2.3.0
2. Apply the patch to select the correct UART for the console, otherwise the TF-A will lock up during boot.
3. Build
1. Get TF-A from: https://github.com/nxp-imx/imx-atf, branch: lf_v2.6
2. Build
.. code-block:: bash
$ make PLAT=imx8mm bl31
$ make PLAT=imx8mm CROSS_COMPILE=aarch64-linux-gnu- IMX_BOOT_UART_BASE="0x30880000" bl31
$ cp build/imx8mm/release/bl31.bin $(builddir)
.. note::
*builddir* is U-Boot's build directory (source directory for in-tree builds)
**Mainline TF-A**
1. Get TF-A from: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/, tag: v2.4