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The project at https://github.com/linux4sam/at91bootstrap was until now releasing 3.x versions, which were packaged using boot/at91bootstrap3/ in Buildroot. Microchip has now started a new branch of at91bootstrap, called 4.x, which will only support the following devices: sam9x60, sama5d2, sama5d3, sama5d4, sama7g5. A number of older devices from Microchip will only be supported by the existing 3.x series. Therefore, we cannot simply remove support for the 3.x series, and allow using only the 4.x series. So what this commit does is extend the boot/at91bootstrap3 package to support building both 3.x and 4.x versions. In detail, this implies: * Having the BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION symbol point to the latest 4.x version. Indeed, we want BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION to really point to the latest upstream version, even if that means potential breakage for users. Users who want to use a fixed version of at91bootstrap should anyway not be using BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION. * Introduce BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION_3X for users who would like to use the latest 3.x series. * Adjust the installation logic, as images to install are now in build/binaries/*.bin instead of binaries/*.bin. In order to not have to differentiate 3.x and 4.x, we simply use $(wildcard ...) to expand the list of files to install. * To make it clear that boot/at91bootstrap3 supports both 3.x and 4.x, we also update the prompt of the package. at911bootstrap does not carry a license file; so far we were using main.c as the license file, as it carries the license blurb. Now that we have a known alternate version, we would need a per-version hash for that file. However, this is a bit too cumbersome to handle, so just drop using main.c as the license file. When upstream introduces a proper license file, we can revisit the situation. Update the two defconfigs that were using the upstream 3.9.3 version; all other defconfigs are using custom tarballs or custom git trees. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> [Thomas: while this patch is based on previous work by Eugen, it was reworked quite significantly.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> [yann.morin.1998@free.fr: - drop main.c as license file, explain why - update the two defconfigs ] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> |
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| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .defconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| 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 Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches