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The AM64x SoCs of the TI K3 family have a Cortex M4F core in the MCU domain. This core can be used by non safety applications as a remote processor. When used as a remote processor with virtio/rpmessage IPC, two carveout reserved memory nodes are needed. The first region is used as a DMA pool for the rproc device, and the second region will furnish the static carveout regions for the firmware memory. The current carveout addresses and sizes are defined statically for each rproc device. The M4F processor does not have an MMU, and as such requires the exact memory used by the firmware to be set-aside. Signed-off-by: Hari Nagalla <hnagalla@ti.com> Signed-off-by: Andrew Davis <afd@ti.com> Tested-by: Wadim Egorov <w.egorov@phytec.de> Link: https://lore.kernel.org/r/20241003170118.24932-6-afd@ti.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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.