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Using PLATFORM=k3 can leads to a runtime boot crash on some K3 SoC (e.g. j721e) because the optee flavor is missing. We could use BR2_TARGET_OPTEE_OS_PLATFORM=k3 and BR2_TARGET_OPTEE_OS_PLATFORM_FLAVOR=am62x but we actually can use BR2_TARGET_OPTEE_OS_PLATFORM=k3-am62x as explained in the optee-os Makefile [1]: # If $(PLATFORM) is defined and contains a hyphen, parse it as # $(PLATFORM)-$(PLATFORM_FLAVOR) for convenience This is how meta-ti set the optee-os platform: meta-ti]$ git grep OPTEEMACHINE meta-ti-bsp/conf/machine/am437x-hs-evm.conf:OPTEEMACHINE = "ti-am43xx" meta-ti-bsp/conf/machine/am57xx-hs-evm.conf:OPTEEMACHINE = "ti-am57xx" meta-ti-bsp/conf/machine/beagleplay.conf:OPTEEMACHINE = "k3-am62x" meta-ti-bsp/conf/machine/dra7xx-hs-evm.conf:OPTEEMACHINE = "ti-dra7xx" meta-ti-bsp/conf/machine/include/am62axx.inc:OPTEEMACHINE = "k3-am62x" meta-ti-bsp/conf/machine/include/am62pxx.inc:OPTEEMACHINE = "k3-am62x" meta-ti-bsp/conf/machine/include/am62xx.inc:OPTEEMACHINE = "k3-am62x" meta-ti-bsp/conf/machine/include/am64xx.inc:OPTEEMACHINE = "k3-am64x" meta-ti-bsp/conf/machine/include/am65xx.inc:OPTEEMACHINE = "k3-am65x" meta-ti-bsp/conf/machine/include/j7200.inc:OPTEEMACHINE = "k3-j721e" meta-ti-bsp/conf/machine/include/j721e.inc:OPTEEMACHINE = "k3-j721e" meta-ti-bsp/conf/machine/include/j721s2.inc:OPTEEMACHINE = "k3-j784s4" meta-ti-bsp/conf/machine/include/j722s.inc:OPTEEMACHINE = "k3-am62x" meta-ti-bsp/conf/machine/include/j784s4.inc:OPTEEMACHINE = "k3-j784s4" meta-ti uses the OPTEEMACHINE to set optee-os platform [2]. [1] https://github.com/OP-TEE/optee_os/blob/4.0.0/Makefile#L37 [2] https://git.yoctoproject.org/meta-arm/tree/meta-arm/recipes-security/optee/optee-os.inc?h=4.0.3#n23 Suggested-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> |
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| arch | ||
| board | ||
| boot | ||
| configs | ||
| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .checkpackageignore | ||
| .clang-format | ||
| .defconfig | ||
| .editorconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| .shellcheckrc | ||
| CHANGES | ||
| Config.in | ||
| Config.in.legacy | ||
| COPYING | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.legacy | ||
| README | ||
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches