On 22/07/2026 09:41, Varadarajan Narayanan wrote:
> The boot rom expects the secondary boot loader in MBN format followed by
> the TME executable. Add rules to board/qualcomm/config.mk to create
> u-boot-spl.mbn and u-boot-spl.melf.
For which SoC families/generations?
>
> u-boot-spl.melf is the combined multi-elf file that has u-boot-spl.mbn
> followed by the TME executable.
It's intentional that mkmbn is invoked twice and things are nested?
>
> Additionally, this patch adds a config option to specify the path
> of the TME executable to be used to create u-boot-spl.melf.
>
> Signed-off-by: Varadarajan Narayanan <[email protected]>
> ---
> arch/arm/mach-snapdragon/Kconfig | 7 +++++++
> board/qualcomm/config.mk | 23 +++++++++++++++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/arch/arm/mach-snapdragon/Kconfig
> b/arch/arm/mach-snapdragon/Kconfig
> index ddded0029ef..f1a6e828c3c 100644
> --- a/arch/arm/mach-snapdragon/Kconfig
> +++ b/arch/arm/mach-snapdragon/Kconfig
> @@ -59,6 +59,13 @@ config QCOM_GENERATE_MBN
> New platforms can be added to tools/qcom/mkmbn/mkmbn.py if they
> aren't already
> supported.
>
> +config QCOM_TMEL_ELF
> + string "TME Elf to concatenate with U-Boot SPL MBN image"
> + depends on SPL
depends on QCOM_GENERATE_MBN
> + help
> + Path of the TME Elf file to be concatenated to u-boot.mbn to create
> + boot rom expected multi-elf image
> +
> choice
> prompt "Qualcomm boot0.h workaround"
> optional
> diff --git a/board/qualcomm/config.mk b/board/qualcomm/config.mk
> index 769e4a51ca0..2abecbf8ea5 100644
> --- a/board/qualcomm/config.mk
> +++ b/board/qualcomm/config.mk
> @@ -12,3 +12,26 @@ quiet_cmd_mkmbn = MBN $@
>
> u-boot.mbn: u-boot.bin FORCE
> $(call if_changed,mkmbn)
> +
> +ifeq ($(CONFIG_QCOM_GENERATE_MBN),y)
> +
> +quiet_cmd_mksplmbn = SPLMBN $@
> + cmd_mksplmbn = $(CMD_MKMBN) -o spl/u-boot-spl.mbn -l
> $(CONFIG_SPL_TEXT_BASE) -s 4 $<
> +
> +INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.mbn
> +
> +spl/u-boot-spl.mbn: spl/u-boot-spl.bin FORCE
> + $(call if_changed,mksplmbn)
> +
> +ifneq ($(wildcard $(CONFIG_QCOM_TMEL_ELF)),)
> +
> +quiet_cmd_mksplmelf = SPLMELF $@
> + cmd_mksplmelf = $(CMD_MKMBN) -o spl/u-boot-spl.melf -m
> spl/u-boot-spl.mbn,$(CONFIG_QCOM_TMEL_ELF) -s 4 $<
you're including u-boot-spl.mbn twice here no??
> +
> +INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.melf
> +
> +spl/u-boot-spl.melf: spl/u-boot-spl.mbn FORCE
> + $(call if_changed,mksplmelf)
> +endif # CONFIG_QCOM_TMEL_ELF
> +
> +endif # CONFIG_QCOM_GENERATE_MBN
>
I'll try and get around to revieiwng the rest of this series later in
the week, no need to respin yet.
--
// Casey (she/her)
