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This article briefly describes the {{MicroprocessorDevice | device=15}} support in [[U-Boot_overview|U-Boot]].
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== {{MicroprocessorDevice | device=15}} support ==
 
 
 
For detailed information, please read the file in the delivered U-Boot code = {{CodeSource | U-Boot | board/st/stm32mp1/README}}
 
 
 
Also available in official U-Boot Git.
 
 
 
Code :
 
* {{CodeSource | U-Boot | arch/arm/mach-stm32mp}}: arch specific code for {{MicroprocessorDevice | device=Class}}
 
* {{CodeSource | U-Boot | board/st/stm32mp1}}: generic STMicroelectronics board for {{MicroprocessorDevice | device=1}}
 
* drivers/*/*stm32* : drivers
 
 
 
Configuration Files:
 
* defconfig file
 
** {{CodeSource | U-Boot | configs/stm32mp15_basic_defconfig}}
 
** {{CodeSource | U-Boot | configs/stm32mp15_optee_defconfig}}
 
** {{CodeSource | U-Boot | configs/stm32mp15_trusted_defconfig}}
 
* config files
 
** {{CodeSource | U-Boot | include/configs/stm32mp1.h}}
 
* Device tree in {{CodeSource | U-Boot | arch/arm/dts }}
 
** stm32mp157*-<board>.dts : same as kernel
 
** stm32mp157*-<board>-u-boot.dtsi : addition for u-boot ( <<device tree>>-u-boot.dtsi automatically included in build process)
 
 
 
== Selecting targets : choose defconfig and Device Tree ==
 
 
 
Each [[Boot_chains_overview|boot chain]] is supported by one [[U-Boot_overview#Kbuild|U-Boot configuration with defconfig]]
 
 
 
{| class="st-table"
 
|-
 
! Boot chain  !! defconfig !! FSBL !! SSBL !! TEE support
 
|-
 
| [[Boot_chains_overview#STM32MP boot chains|''' Trusted Boot''']] || stm32mp15_trusted_defconfig || TF-A  || '''U-Boot'''<br>[[U-Boot_overview#Output_files|u-boot.stm32]] || -
 
|-
 
| [[Boot_chains_overview#STM32MP boot chains|''' Trusted Boot''']] with [[OP-TEE_overview|'''OP-TEE''']] || stm32mp15_optee_defconfig || TF-A  || '''U-Boot'''<br>[[U-Boot_overview#Output_files|u-boot.stm32]] || yes
 
|-
 
| [[Boot_chains_overview#STM32MP boot chains|'''Basic Boot''']] || stm32mp15_basic_defconfig || SPL<br>[[U-Boot_overview#Output_files|u-boot-spl.stm32]] || '''U-Boot'''<br>[[U-Boot_overview#Output_files|u-boot.img]] || -
 
|}
 
 
 
{{Warning | The basic boot chain is not supported/promoted by STMicroelectronics to make product (see [[Boot_chains_overview#Boot_chains_features_set|Boot chains overview]] for details).}}
 
 
 
Several [[STM32MP15_boards|targets/ boards]] are supported with the associated device-tree (same name as kernel):
 
 
 
{| class="st-table"
 
|-
 
! Board part number  !! Description !! Device tree
 
|-
 
| '''{{Board | type=157C-EV1}}''' || [[MB1262]]+[[MB1263]] || {{CodeSource | U-Boot | arch/arm/dts/stm32mp157c-ev1.dts|'''stm32mp157c-ev1'''}}
 
|-
 
| STM32MP157C-ED1 Evaluation daughterboard || [[MB1263]] || {{CodeSource | U-Boot | arch/arm/dts/stm32mp157c-ed1.dts|stm32mp157c-ed1}}
 
|-
 
| '''{{Board | type=157A-DK1}}''' || [[MB1272]] || {{CodeSource | U-Boot | arch/arm/dts/stm32mp157a-dk1.dts|'''stm32mp157a-dk1'''}}
 
|-
 
| '''{{Board | type=157C-DK2}}''' || [[MB1272]]+[[MB1407]] || {{CodeSource | U-Boot | arch/arm/dts/stm32mp157c-dk2.dts|'''stm32mp157c-dk2'''}}
 
|}
 
 
 
== Compilation ==
 
see [[U-Boot_overview#U-Boot_build]]
 
 
 
With <mode> = 'basic', 'trusted' or 'optee'
 
 
 
  {{PC$}} make stm32mp15_<mode>_defconfig
 
  {{PC$}} make DEVICE_TREE=<device tree name> all
 
 
 
*'''DEVICE_TREE''': select in arch/arm/dts the device tree that is used
 
* '''KBUILD_OUTPUT''': change the destination directory for the build
 
* '''EXT_DTB''': select external device tree
 
 
 
== Examples ==
 
 
 
=== {{Board | type=157C-EV1}}  trusted boot ===
 
  {{PC$}} make stm32mp15_trusted_defconfig
 
  {{PC$}} make DEVICE_TREE=stm32mp157c-ev1 all
 
 
 
=== {{Board | type=157C-DK2}} trusted boot ===
 
Using export to select the device tree
 
  {{PC$}} export KBUILD_OUTPUT=../build/trusted
 
  {{PC$}} export DEVICE_TREE=stm32mp157c-dk2
 
  {{PC$}} make stm32mp15_trusted_defconfig
 
  {{PC$}} make all
 
 
 
=== STM32MP157C-ED1 Evaluation daughterboard basic boot ===
 
  {{PC$}} export KBUILD_OUTPUT=../build/basic
 
  {{PC$}} make stm32mp15_basic_defconfig
 
  {{PC$}} make DEVICE_TREE=stm32mp157c-ed1 all
 
 
 
=== Trusted boot chain with external device tree ===
 
  {{PC$}} make stm32mp15_trusted_defconfig
 
  {{PC$}} make EXT_DTB=boot/stm32mp157c-myboard.dtb all
 
 
 
<noinclude>
 
[[Category:U-Boot]]
 
{{PublicationRequestId | 12895 | 2019-08-01}}
 
</noinclude>
 

2024年3月6日 (三) 16:47的最新版本

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