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Diffstat (limited to 'docs/getting_started')
| -rw-r--r-- | docs/getting_started/porting-guide.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst index b3092c790..5b88fcb38 100644 --- a/docs/getting_started/porting-guide.rst +++ b/docs/getting_started/porting-guide.rst @@ -587,6 +587,21 @@ enabled, the following constants must also be defined. Defines the Non-secure Access IDentity (NSAID) that the NPU shall use to access the protected memory that contains inference data. +- **ARM_ETHOSN_NPU_FW_IMAGE_BASE** and **ARM_ETHOSN_NPU_FW_IMAGE_LIMIT** + +- Provide FCONF entries to configure the image source for NPU firmware (and certificates). + +- Add MMU mappings such that: + + - BL2 can write the NPU firmware into the region defined by + ``ARM_ETHOSN_NPU_FW_IMAGE_BASE`` and ``ARM_ETHOSN_NPU_FW_IMAGE_LIMIT`` + - BL31 (SiP service) can read the NPU firmware from the same region + +- Add the firmware image ID ``ARM_ETHOSN_NPU_FW_IMAGE_ID`` to the list of images loaded by BL2 + +Please see the reference implementation code for the Juno platform as an example. + + The following constant is optional. It should be defined to override the default behaviour of the ``assert()`` function (for example, to save memory). |