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Diffstat (limited to 'Documentation/boards/stm32mp.rst')
| -rw-r--r-- | Documentation/boards/stm32mp.rst | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/Documentation/boards/stm32mp.rst b/Documentation/boards/stm32mp.rst index 24b7a19ceb..2b9dc01b55 100644 --- a/Documentation/boards/stm32mp.rst +++ b/Documentation/boards/stm32mp.rst @@ -10,7 +10,7 @@ The first stage boot loader (FSBL) is loaded by the ROM code into the built-in SYSRAM and executed. The FSBL sets up the SDRAM, install a secure monitor and then the second stage boot loader (SSBL) is loaded into DRAM. -When building barebox, the resulting ``barebox-${board}.img`` file has the STM32 +When building barebox, the resulting ``barebox-${board}.stm32`` file has the STM32 header preprended, so it can be loaded directly as SSBL by the ARM TF-A (https://github.com/ARM-software/arm-trusted-firmware). Each entry point has a header-less image ending in ``*.pblb`` as well. @@ -25,18 +25,23 @@ as sole defconfig for all STM32MP boards:: make ARCH=arm stm32mp_defconfig -The resulting images will be placed under ``images/``: +The resulting images will be placed under ``images/``:: -:: + barebox-stm32mp15xx-dkx.stm32 + barebox-stm32mp15x-ev1.stm32 + barebox-stm32mp157c-lxa-mc1.stm32 + barebox-prtt1a.stm32 + barebox-prtt1s.stm32 + barebox-prtt1c.stm32 + barebox-stm32mp157c-seeed-odyssey.stm32 + barebox-dt-2nd.img - barebox-stm32mp15xx-dkx.img # both DK1 and DK2 - barebox-stm32mp157c-lxa-mc1.img - barebox-stm32mp157c-seeed-odyssey.img - barebox-stm32mp15x-ev1.img # stm32mp157c-ev1 and friends +In the above output, images with a ``.stm32`` extension feature the (legacy) +stm32image header. ``barebox-dt-2nd.img`` is a generic barebox image that +received an external device tree. - -Flashing barebox ----------------- +Flashing barebox (legacy stm32image) +------------------------------------ An appropriate image for a SD-Card can be generated with following ``genimage(1)`` config:: @@ -55,7 +60,7 @@ An appropriate image for a SD-Card can be generated with following size = 256K } partition ssbl { - image = "barebox-@STM32MP_BOARD@.img" + image = "barebox-@STM32MP_BOARD@.stm32" size = 1M } partition barebox-environment { @@ -69,7 +74,7 @@ partitions may look like this:: image @STM32MP_BOARD@.img { partition ssbl { - image = "barebox-@STM32MP_BOARD@.img" + image = "barebox-@STM32MP_BOARD@.stm32" size = 1M } partition barebox-environment { |