Currently the following boards are supported:
+ stm32mp157c-ev1
+ stm32mp157c-ed1
++ stm32mp157a-dk1
++ stm32mp157c-dk2
3. Boot Sequences
=================
+ ed1: daughter board with pmic stpmic1
dts: stm32mp157c-ed1
++ dk1: Discovery board
+ dts: stm32mp157a-dk1
+
++ dk2: Discovery board = dk1 with a BT/WiFI combo and a DSI panel
+ dts: stm32mp157c-dk2
+
5. Build Procedure
==================
# make stm32mp15_basic_defconfig
# make DEVICE_TREE=stm32mp157c-ed1 all
+ d) basic boot on dk2
+ # export KBUILD_OUTPUT=stm32mp15_basic
+ # make stm32mp15_basic_defconfig
+ # make DEVICE_TREE=stm32mp157c-dk2 all
+
6. Output files
BootRom and TF-A expect binaries with STM32 image header
Recovery 1 1 0
Recovery 0 0 0
+- on board DK1/DK2 with the switch SW1 : BOOT0, BOOT2
+ (BOOT1 forced to 0, NOR not supported)
+
+ --------------------------
+ Boot Mode BOOT2 BOOT0
+ --------------------------
+ Reserved 1 0
+ SD-Card 1 1
+ Recovery 0 0
+
Recovery is a boot from serial link (UART/USB) and it is used with
STM32CubeProgrammer tool to load executable in RAM and to update the flash
devices available on the board (NOR/NAND/eMMC/SDCARD).