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stm32: Add STM32H750 128KiB bootloader offset option#854

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rogerlz wants to merge 1 commit intomainfrom
fix-stm32h750-bootloader-offset
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stm32: Add STM32H750 128KiB bootloader offset option#854
rogerlz wants to merge 1 commit intomainfrom
fix-stm32h750-bootloader-offset

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@rogerlz
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@rogerlz rogerlz commented Mar 3, 2026

add MACH_STM32H750 to the 128KiB bootloader offset choice in Kconfig, enabling flashing with Katapult on H750 boards.

closes #843

@wildBill83
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There is only 128kb of space on the STM32H750, this is the wrong offset needed, please see pull request #856

@matthew73210
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So the concensus is that Sovol have added external flash. Otherwise it would as willbill points out impossible to flash.

@matthew73210
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So here is what we know. The H750 is a binned version of the H743 that didn't pass QC or something. It has plenty of memory and that's why is flashes just fine with 128KiB.

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Feature Request: STM32H750 bootloader offset

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