[PATCH] Documentation: boards: k3: adjust to reality
Sascha Hauer
s.hauer at pengutronix.de
Thu Jun 5 03:11:58 PDT 2025
Using separate files for firmware binaries was removed in commit
1bc97b7995 ("ARM: k3: r5: drop loading of separate binaries"). Adjust
the documentation accordingly.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
Documentation/boards/ti-k3.rst | 28 +++++-----------------------
1 file changed, 5 insertions(+), 23 deletions(-)
diff --git a/Documentation/boards/ti-k3.rst b/Documentation/boards/ti-k3.rst
index 18061a9836..6cb9eb8eda 100644
--- a/Documentation/boards/ti-k3.rst
+++ b/Documentation/boards/ti-k3.rst
@@ -72,25 +72,16 @@ OP-TEE is built from https://github.com/OP-TEE/optee_os.git::
OP-TEE is optional. barebox will continue without ``optee.bin`` when the file
does not exist.
-Copying ti-dm.bin
------------------
-
-The ``ti-dm.bin`` binary is part of ti-linux-firmware.git, this needs to be
-copied to the eMMC/SD as well::
-
- cp firmware/ti-linux-firmware/ti-dm/am62xx/ipc_echo_testb_mcu1_0_release_strip.xer5f $TI_BOOT/ti-dm.bin
-
Combining binaries into a FIP image
-----------------------------------
-Alternatively to putting the different binaries (``barebox.bin``, ``bl31.bin``, ``optee.bin``
-and ``ti-dm.bin``) into the FAT image the files can be combined into a FIP image named
-``k3.fip``.::
+The files have to be combined into a FIP image named ``k3.fip``.::
fiptool create --soc-fw bl31.bin \
--tos-fw optee.bin \
--nt-fw barebox-beagleplay.img \
- --blob uuid=9e8c2017-8b94-4e2b-a7b3-a0f88eabb8ae,file=ti-dm.bin k3.fip
+ --blob uuid=9e8c2017-8b94-4e2b-a7b3-a0f88eabb8ae,file=\
+ firmware/ti-linux-firmware/ti-dm/am62xx/ipc_echo_testb_mcu1_0_release_strip.xer5f k3.fip
USB DFU boot
------------
@@ -99,20 +90,11 @@ using ``dfu-util``::
dfu-util -D barebox-beagleplay-r5.img -a bootloader
-This will start the initial stage which then expects the following stages which can
-be uploaded with ``dfu-util`` as well, either as FIP image::
+This will start the initial stage which then expects the following stage which can
+be uploaded with ``dfu-util`` as well::
dfu-util -D k3.fip -a fip
-or as separate files::
-
- dfu-util -D blb31.bin -a tfa
- dfu-util -D optee.bin -a optee
- dfu-util -D ti-dm.bin -a ti-dm
- dfu-util -D barebox-beagleplay.img -a barebox
-
-Uploading optee.bin can be skipped in case it's not needed.
-
eMMC boot
---------
K3 boards can boot from eMMC boot partitions. In this mode the ROM reads the tiboot3.bin
--
2.39.5
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