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Improve AM62X U-Boot documentation #711

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1157977
refactor(linux): reorganize AM62X U-Boot build instructions
maybe-yiyi May 20, 2026
328bcf7
feat(linux): clarify U-Boot Target Images subsection usage
maybe-yiyi May 20, 2026
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38 changes: 23 additions & 15 deletions source/linux/Foundational_Components/U-Boot/BG-Build-K3.rst
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Expand Up @@ -308,33 +308,41 @@ All of these binaries are available in the SDK at :file:`<path to tisdk>/board-s

$ cd $UBOOT_DIR

R5
To build tiboot3.bin. Saved in $UBOOT_DIR/out/r5.
R5 builds :file:`tiboot3.bin` to :file:`$UBOOT_DIR/out/r5`. A53 builds :file:`tispl.bin` and :file:`u-boot.img` to :file:`$UBOOT_DIR/out/a53` (requires :file:`bl31.bin` and :file:`tee-pager_v2.bin`).

For AM62X
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am62x_evm_r5_defconfig O=$UBOOT_DIR/out/r5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" O=$UBOOT_DIR/out/r5 BINMAN_INDIRS=$TI_LINUX_FW_DIR
.. rubric:: AM62X

For AM62X LP
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am62x_lpsk_r5_defconfig O=$UBOOT_DIR/out/r5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" O=$UBOOT_DIR/out/r5 BINMAN_INDIRS=$TI_LINUX_FW_DIR
.. code-block:: console

For AM62SIP
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am6254atl_evm_r5_defconfig O=$UBOOT_DIR/out/r5
R5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am62x_evm_r5_defconfig O=$UBOOT_DIR/out/r5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" O=$UBOOT_DIR/out/r5 BINMAN_INDIRS=$TI_LINUX_FW_DIR

A53
To build tispl.bin and u-boot.img. Saved in $UBOOT_DIR/out/a53. Requires bl31.bin, tee-pager_v2.bin

For AM62X
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" am62x_evm_a53_defconfig O=$UBOOT_DIR/out/a53
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" CC="$CC_64" BL31=$TFA_DIR/build/k3/lite/release/bl31.bin TEE=$OPTEE_DIR/out/arm-plat-k3/core/tee-pager_v2.bin O=$UBOOT_DIR/out/a53 BINMAN_INDIRS=$TI_LINUX_FW_DIR
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For AM62X LP
.. rubric:: AM62X LP

.. code-block:: console

R5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am62x_lpsk_r5_defconfig O=$UBOOT_DIR/out/r5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" O=$UBOOT_DIR/out/r5 BINMAN_INDIRS=$TI_LINUX_FW_DIR

A53
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" am62x_lpsk_a53_defconfig O=$UBOOT_DIR/out/a53
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" CC="$CC_64" BL31=$TFA_DIR/build/k3/lite/release/bl31.bin TEE=$OPTEE_DIR/out/arm-plat-k3/core/tee-pager_v2.bin O=$UBOOT_DIR/out/a53 BINMAN_INDIRS=$TI_LINUX_FW_DIR

For AM62SIP
.. rubric:: AM62SIP

.. code-block:: console

R5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" am6254atl_evm_r5_defconfig O=$UBOOT_DIR/out/r5
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_32" O=$UBOOT_DIR/out/r5 BINMAN_INDIRS=$TI_LINUX_FW_DIR

A53
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" am6254atl_evm_a53_defconfig O=$UBOOT_DIR/out/a53
$ make ARCH=arm CROSS_COMPILE="$CROSS_COMPILE_64" CC="$CC_64" BL31=$TFA_DIR/build/k3/lite/release/bl31.bin TEE=$OPTEE_DIR/out/arm-plat-k3/core/tee-pager_v2.bin O=$UBOOT_DIR/out/a53 BINMAN_INDIRS=$TI_LINUX_FW_DIR

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7 changes: 7 additions & 0 deletions source/linux/Foundational_Components/U-Boot/BG-Target-Images-K3.rst
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Expand Up @@ -4,6 +4,13 @@
Target Images
#############

This page describes the boot images produced by U-Boot builds for K3-based SoCs.

See the :ref:`k3-images` section for which files to copy to your SD card.
The :ref:`k3-image-formats` section provides technical details on binary layouts for reference.

.. _k3-images:

******
Images
******
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