This patch fix issue with unmapping of virtual addresses mapped
to non-existing physical memory. MTL TLB table is initialised with
1:1 mapping, however virtual space is much wider than available
physical space. We should not try to free and manage of power for
non-existing physical pages.
Signed-off-by: Jaroslaw Stelter <Jaroslaw.Stelter@intel.com>
This patch corrects the initial unmapping of unused l2 memory
to unmap until the end of virtual address space instead
of unmapping until the end of l2 physical memory.
Signed-off-by: Jaroslaw Stelter <Jaroslaw.Stelter@intel.com>
This patch introduces sys_mm_drv_move_region implementation
which stops usage of the sys_mm_drv_simple_move_region.
The sys_mm_drv_simple_move_region is unsuitable becuase
it iterates through physical pages in linear fashion.
The new implementation queries the tlb for each virtual
page of the requested region to find the physical page
to be remapped.
Signed-off-by: Jaroslaw Stelter <Jaroslaw.Stelter@intel.com>
There are cases when attributes of mapped virtual memory need
to be updated. E.g. in case there is loadable library/module
code loaded to the l2 memory then memory needs to be read-write.
After the code is loaded and is ready to be executed then
attributes of mapped memory should be updated to
read-only/executable without loosing memory contents.
Signed-off-by: Jaroslaw Stelter <Jaroslaw.Stelter@intel.com>
Add TLB driver specific for Meteorlake.
Add missing kconfig resource and fix include path
add hpsram power up and ref counter
Use memblock to track physical page usage in mtl tlb driver. The
applications that will be using the tlb memory driver should not
track the physical page mapping to virtual address space:
- adds an option to use the phys argument value of 0 to tell the
driver to autonomously assign physical pages upon map request
- makes the tlb driver use memblock to track mapped physical pages
Co-authored-by: Rafal Redzimski <rafal.f.redzimski@intel.com>
Co-authored-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
Co-authored-by: Marcin Szkudlinski <marcin.szkudlinski@intel.com>
Co-authored-by: Michal Wasko <michal.wasko@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
In order to bring consistency in-tree, migrate all drivers to the new
prefix <zephyr/...>. Note that the conversion has been scripted, refer
to #45388 for more details.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Enables the Intel TLB driver by default when the MM driver class is
enabled (CONFIG_MM_DRV=y) and a compatible devicetree node
("intel,adsp-tlb") is enabled.
Signed-off-by: Maureen Helm <maureen.helm@intel.com>
This adds skeleton Kconfig/CMakeLists.txt and common implementation
of some sys_mm_drv_*() functions.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
