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9797e3519c
CPU core bringup on R-Car Gen2 SoCs uses the Cortex-A7/A15 Boot Address Register to specify the boot area of the System CPU. With this enabled, when the System CPU accesses a physical address in the range from 0x0 to 0x3ffff, the top address bits are replaced by those specified in the SBAR register. Hence any device residing in the low 256 KiB of physical address space cannot be accessed. Prevent conflicts by reserving this memory region using request_mem_region(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/091150233acb0557a2ad3294d67b2adb6758670c.1693409184.git.geert+renesas@glider.be |
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| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
| .cocciconfig | ||
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| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| 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 Restructured Text 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.