docs(st): set OP-TEE as default BL32
Recommend OP-TEE as the default BL32 for STMicroelectronics platforms.
SP_MIN is no more supported in STMicroelectronics software [1].
It will then no more receive new features, but should still remain
as it is in the TF-A code.
[1]: https://wiki.st.com/stm32mpu/wiki/STM32_MPU_OpenSTLinux_release_note_-_v5.0.0#TF-A
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Ic49338dbba3fdcebcb1e477e6a1dbde32783482b
diff --git a/docs/plat/st/stm32mp1.rst b/docs/plat/st/stm32mp1.rst
index b6e4b0d..39a43ee 100644
--- a/docs/plat/st/stm32mp1.rst
+++ b/docs/plat/st/stm32mp1.rst
@@ -115,8 +115,9 @@
make stm32mp15_trusted_defconfig
make DEVICE_TREE=stm32mp157c-ev1 all
-OP-TEE (optional)
-_________________
+OP-TEE (recommended)
+____________________
+OP-TEE is the default BL32 supported for STMicroelectronics platforms.
.. code:: bash
@@ -125,9 +126,10 @@
CFG_EMBED_DTB_SOURCE_FILE=stm32mp157c-ev1.dts
-TF-A BL32 (SP_min)
-__________________
+TF-A BL32 (SP_min) (not recommended)
+____________________________________
If you choose not to use OP-TEE, you can use TF-A SP_min.
+This is not the recommended BL32 to use, and will have very limited support.
To build TF-A BL32, and its device tree file:
.. code:: bash
@@ -217,4 +219,4 @@
.. _STM32MP1 Series: https://www.st.com/en/microcontrollers-microprocessors/stm32mp1-series.html
.. _STM32MP1 part number codification: https://wiki.st.com/stm32mpu/wiki/STM32MP15_microprocessor#Part_number_codification
-*Copyright (c) 2023, STMicroelectronics - All Rights Reserved*
+*Copyright (c) 2023-2024, STMicroelectronics - All Rights Reserved*