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fad0dcaf37
Add generic boot-mode support to Enclustra Arria10 and Cyclone5 boards. Some Enclustra carrier boards need hardware adjustments specific to the selected boot-mode. Enclustra's Arria10 SoMs allow for booting from different media. By muxing certain IO pins, the media can be selected. This muxing can be done by gpios at runtime e.g. when flashing QSPI from off the bootloader. But also to have statically certain boot media available, certain adjustments to the DT are needed: - SD: QSPI must be disabled - eMMC: QSPI must be disabled, bus width can be doubled to 8 byte - QSPI: any mmc is disabled, QSPI then defaults to be enabled The boot media must be accessible to the bootloader, e.g. to load a bitstream file, but also to the system to mount the rootfs and to use the specific performance. Signed-off-by: Andreas Buerkler <andreas.buerkler@enclustra.com> Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.