MLECO-2976: Configurable Ethos-U cache size for Dedicated_Sram

MLECO-2949: Platform drivers should own NPU and TA init

Change-Id: I13606a0197f137816bae803eb9d7d46c358b5fb8
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>

24 files changed, 725 insertions, 446 deletions

diff --git a/build_default.py b/build_default.py
index c0cf8d1..2e95528 100755
--- a/build_default.py
+++ b/build_default.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
-
-#  Copyright (c) 2021 Arm Limited. All rights reserved.
+#  Copyright (c) 2021-2022 Arm Limited. All rights reserved.
 #  SPDX-License-Identifier: Apache-2.0
 #
 #  Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,23 +13,23 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-
+import logging
+import multiprocessing
 import os
-import subprocess
 import shutil
-import multiprocessing
-import logging
-import threading
+import subprocess
 import sys
-from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
+import threading
+from argparse import ArgumentDefaultsHelpFormatter
+from argparse import ArgumentParser
 
-from set_up_default_resources import set_up_resources, \
-                                     get_default_npu_config_from_name, \
-                                     valid_npu_config_names, \
-                                     default_npu_config_names
+from set_up_default_resources import default_npu_config_names
+from set_up_default_resources import get_default_npu_config_from_name
+from set_up_default_resources import set_up_resources
+from set_up_default_resources import valid_npu_config_names
 
-class PipeLogging(threading.Thread):
 
+class PipeLogging(threading.Thread):
     def __init__(self, log_level):
         threading.Thread.__init__(self)
         self.logLevel = log_level
@@ -43,20 +42,23 @@ class PipeLogging(threading.Thread):
         return self.fileWrite
 
     def run(self):
-        for line in iter(self.pipeIn.readline, ''):
-            logging.log(self.logLevel, line.strip('\n'))
+        for line in iter(self.pipeIn.readline, ""):
+            logging.log(self.logLevel, line.strip("\n"))
 
         self.pipeIn.close()
 
     def close(self):
         os.close(self.fileWrite)
 
-def run(toolchain: str,
-        download_resources: bool,
-        run_vela_on_models: bool,
-        npu_config_name: str,
-        make_jobs: int,
-        make_verbose: bool):
+
+def run(
+    toolchain: str,
+    download_resources: bool,
+    run_vela_on_models: bool,
+    npu_config_name: str,
+    make_jobs: int,
+    make_verbose: bool,
+):
     """
     Run the helpers scripts.
 
@@ -72,7 +74,9 @@ def run(toolchain: str,
 
     # 1. Make sure the toolchain is supported, and set the right one here
     supported_toolchain_ids = ["gnu", "arm"]
-    assert toolchain in supported_toolchain_ids, f"Toolchain must be from {supported_toolchain_ids}"
+    assert (
+        toolchain in supported_toolchain_ids
+    ), f"Toolchain must be from {supported_toolchain_ids}"
     if toolchain == "arm":
         toolchain_file_name = "bare-metal-armclang.cmake"
     elif toolchain == "gnu":
@@ -81,16 +85,20 @@ def run(toolchain: str,
     # 2. Download models if specified
     if download_resources is True:
         logging.info("Downloading resources.")
-        set_up_resources(run_vela_on_models=run_vela_on_models,
-                         additional_npu_config_names=[npu_config_name])
+        set_up_resources(
+            run_vela_on_models=run_vela_on_models,
+            additional_npu_config_names=[npu_config_name],
+        )
 
     # 3. Build default configuration
     logging.info("Building default configuration.")
     target_platform = "mps3"
     target_subsystem = "sse-300"
     ethos_u_cfg = get_default_npu_config_from_name(npu_config_name)
-    build_dir = os.path.join(current_file_dir,
-        f"cmake-build-{target_platform}-{target_subsystem}-{npu_config_name}-{toolchain}")
+    build_dir = os.path.join(
+        current_file_dir,
+        f"cmake-build-{target_platform}-{target_subsystem}-{npu_config_name}-{toolchain}",
+    )
     try:
         os.mkdir(build_dir)
     except FileExistsError:
@@ -103,65 +111,84 @@ def run(toolchain: str,
                 elif os.path.isdir(filepath):
                     shutil.rmtree(filepath)
             except Exception as e:
-                logging.error('Failed to delete %s. Reason: %s' % (filepath, e))
+                logging.error(f"Failed to delete {filepath}. Reason: {e}")
 
     logpipe = PipeLogging(logging.INFO)
 
     os.chdir(build_dir)
-    cmake_toolchain_file = os.path.join(current_file_dir, "scripts", "cmake",
-                                        "toolchains", toolchain_file_name)
-    cmake_command = (f"cmake .. -DTARGET_PLATFORM={target_platform}" +
-                     f" -DTARGET_SUBSYSTEM={target_subsystem}" +
-                     f" -DCMAKE_TOOLCHAIN_FILE={cmake_toolchain_file}" +
-                     f" -DETHOS_U_NPU_ID={ethos_u_cfg.ethos_u_npu_id}" +
-                     f" -DETHOS_U_NPU_CONFIG_ID={ethos_u_cfg.ethos_u_config_id}")
+    cmake_toolchain_file = os.path.join(
+        current_file_dir, "scripts", "cmake", "toolchains", toolchain_file_name
+    )
+    cmake_command = (
+        f"cmake .. -DTARGET_PLATFORM={target_platform}"
+        + f" -DTARGET_SUBSYSTEM={target_subsystem}"
+        + f" -DCMAKE_TOOLCHAIN_FILE={cmake_toolchain_file}"
+        + f" -DETHOS_U_NPU_ID={ethos_u_cfg.ethos_u_npu_id}"
+        + f" -DETHOS_U_NPU_CONFIG_ID={ethos_u_cfg.ethos_u_config_id}"
+    )
 
     logging.info(cmake_command)
-    state = subprocess.run(cmake_command, shell=True, stdout=logpipe,
-                           stderr=subprocess.STDOUT)
+    state = subprocess.run(
+        cmake_command, shell=True, stdout=logpipe, stderr=subprocess.STDOUT
+    )
 
-    make_command = f"make -j{make_jobs}" 
-    if make_verbose :
+    make_command = f"make -j{make_jobs}"
+    if make_verbose:
         make_command += " VERBOSE=1"
     logging.info(make_command)
-    state = subprocess.run(make_command, shell=True, stdout=logpipe,
-                           stderr=subprocess.STDOUT)
+    state = subprocess.run(
+        make_command, shell=True, stdout=logpipe, stderr=subprocess.STDOUT
+    )
 
     logpipe.close()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     parser = ArgumentParser(formatter_class=ArgumentDefaultsHelpFormatter)
-    parser.add_argument("--toolchain", default="gnu",
-                        help="""
+    parser.add_argument(
+        "--toolchain",
+        default="gnu",
+        help="""
                         Specify the toolchain to use (Arm or GNU).
                         Options are [gnu, arm]; default is gnu.
-                        """)
-    parser.add_argument("--skip-download",
-                        help="Do not download resources: models and test vectors",
-                        action="store_true")
-    parser.add_argument("--skip-vela",
-                        help="Do not run Vela optimizer on downloaded models.",
-                        action="store_true")
-    parser.add_argument("--npu-config-name",
-                        help=f"""Arm Ethos-U configuration to build for. Choose from:
+                        """,
+    )
+    parser.add_argument(
+        "--skip-download",
+        help="Do not download resources: models and test vectors",
+        action="store_true",
+    )
+    parser.add_argument(
+        "--skip-vela",
+        help="Do not run Vela optimizer on downloaded models.",
+        action="store_true",
+    )
+    parser.add_argument(
+        "--npu-config-name",
+        help=f"""Arm Ethos-U configuration to build for. Choose from:
                         {valid_npu_config_names}""",
-                        default=default_npu_config_names[0])
-    parser.add_argument("--make-jobs",
-                        help="Number of jobs to run with make",
-                        default=multiprocessing.cpu_count())
-    parser.add_argument("--make-verbose",
-                        help="Make runs with VERBOSE=1",
-                        action='store_true')
+        default=default_npu_config_names[0],
+    )
+    parser.add_argument(
+        "--make-jobs",
+        help="Number of jobs to run with make",
+        default=multiprocessing.cpu_count(),
+    )
+    parser.add_argument(
+        "--make-verbose", help="Make runs with VERBOSE=1", action="store_true"
+    )
     args = parser.parse_args()
 
-    logging.basicConfig(filename='log_build_default.log', level=logging.DEBUG,
-                        filemode='w')
+    logging.basicConfig(
+        filename="log_build_default.log", level=logging.DEBUG, filemode="w"
+    )
     logging.getLogger().addHandler(logging.StreamHandler(sys.stdout))
 
-    run(args.toolchain.lower(),
+    run(
+        args.toolchain.lower(),
         not args.skip_download,
         not args.skip_vela,
         args.npu_config_name,
         args.make_jobs,
-        args.make_verbose)
+        args.make_verbose,
+    )
diff --git a/docs/sections/building.md b/docs/sections/building.md
index 306dc69..895e0e6 100644
--- a/docs/sections/building.md
+++ b/docs/sections/building.md
@@ -93,7 +93,8 @@ Before proceeding, it is *essential* to ensure that the following prerequisites
     python3 -m venv
     ```
 
-- The build system uses external Python libraries during the building process. Please make sure that the latest pip and libsndfile versions are installed.
+- The build system uses external Python libraries during the building process. Please make sure that the latest pip and
+  libsndfile versions are installed.
 
   ```commandline
   pip3 --version
@@ -186,16 +187,19 @@ The build parameters are:
   > for *Ethos-U65* NPU and `Sram_Only` only for Ethos-U55* NPU.
 
 - `ETHOS_U_NPU_CONFIG_ID`: This parameter is set by default based on the value of `ETHOS_U_NPU_ID`.
-For Ethos-U55, it defaults to the `H128` indicating that the Ethos-U55 128 MAC optimised model
-should be used. For Ethos-U65, it defaults to `Y256` instead. However, the user can override these
-defaults to a configuration ID from `H32`, `H64`, `H256` and `Y512`.
+  For Ethos-U55, it defaults to the `H128` indicating that the Ethos-U55 128 MAC optimised model
+  should be used. For Ethos-U65, it defaults to `Y256` instead. However, the user can override these
+  defaults to a configuration ID from `H32`, `H64`, `H256` and `Y512`.
 
   > **Note:** This ID is only used to choose which tflite file path is to be used by the CMake
-configuration for all the use cases. If the user has overridden use-case specific model path
-parameter `ETHOS_U_NPU_CONFIG_ID` parameter will become irrelevant for that use-case. Also, the
-model files for the chosen `ETHOS_U_NPU_CONFIG_ID` are expected to exist in the default locations.
-See [Fetching resource files](./building.md#fetching-resource-files) for details on how to do this for your
-chosen configuration.
+  > configuration for all the use cases. If the user has overridden use-case specific model path
+  > parameter `ETHOS_U_NPU_CONFIG_ID` parameter will become irrelevant for that use-case. Also, the
+  > model files for the chosen `ETHOS_U_NPU_CONFIG_ID` are expected to exist in the default locations.
+  > See [Fetching resource files](./building.md#fetching-resource-files) for details on how to do this for your
+  > chosen configuration.
+
+- `ETHOS_U_NPU_CACHE_SIZE`: The *Ethos-U* NPU cache size used if the *Ethos-U* NPU processor selected with the option
+  `ETHOS_U_NPU_ID` is `U65`. Default value is 393216 (see [default_vela.ini](../../scripts/vela/default_vela.ini) ).
 
 - `CPU_PROFILE_ENABLED`: Sets whether profiling information for the CPU core should be displayed. By default, this is
   set to false, but can be turned on for FPGA targets. The the FVP and the CPU core cycle counts are not meaningful and
@@ -302,7 +306,8 @@ python3 ./set_up_default_resources.py
 ```
 
 This fetches every model into the `resources_downloaded` directory. It also optimizes the models using the Vela compiler
-for the default 128 MACs configuration of the Arm® *Ethos™-U55* NPU and for the default 256 MACs configuration of the Arm® *Ethos™-U65* NPU.
+for the default 128 MACs configuration of the Arm® *Ethos™-U55* NPU and for the default 256 MACs configuration of the
+Arm® *Ethos™-U65* NPU.
 
 > **Note:** This script requires Python version 3.6 or higher. Please make sure all [build prerequisites](./building.md#build-prerequisites)
 > are satisfied.
@@ -319,13 +324,14 @@ Additional command line arguments supported by this script are:
     --additional-ethos-u-config-name ethos-u65-512
   ```
 
-  > **Note:** As the argument name suggests, the configuration names are **in addition to** the default ones: `ethos-u55-128` and `ethosu-u65-256`.
+  > **Note:** As the argument name suggests, the configuration names are **in addition to** the default ones: `ethos-u55-128`
+  > and `ethosu-u65-256`.
 
 - `--arena-cache-size`: the size of the arena cache memory area, in bytes.
   The default value is:
   - the internal SRAM size for Corstone-300 implementation on MPS3 specified by AN552,
   when optimizing for the default 128 MACs configuration of the Arm® *Ethos™-U55* NPU.
-  - the default value specified in the Vela configuration file  [default_vela.ini](../../scripts/vela/default_vela.ini),
+  - the default value specified in the Vela configuration file [default_vela.ini](../../scripts/vela/default_vela.ini),
   when optimizing for the default 256 MACs configuration of the Arm® *Ethos™-U65* NPU.
 
 ### Building for default configuration
@@ -499,7 +505,7 @@ make -j4
 
 To see compilation and link details, add `VERBOSE=1`.
 
-Results of the build are placed under `build/bin` folder, for example:
+Results of the build are placed under `build/bin` folder, for example:
 
 ```tree
 bin
@@ -522,7 +528,8 @@ Where for each implemented use-case under the `source/use-case` directory, the f
 
 - `ethos-u-<use-case name>.htm`: Human readable file containing the call graph of application functions.
 
-- `sectors/<use-case>`: Folder containing the built application. Split into files for loading into different FPGA memory regions.
+- `sectors/<use-case>`: Folder containing the built application. Split into files for loading into different FPGA
+  memory regions.
 
 - `images.txt`: Tells the FPGA which memory regions to use for loading the binaries in the `sectors/..`
   folder.
@@ -564,16 +571,18 @@ The CMake build framework allows the parameters to control the behavior of each
 
 - `PULSE_OFF`: The number of cycles where addresses are blocked. The default value is `5100`.
 
-- `BWCAP`: Maximum number of 64-bit words transferred per pulse cycle. A pulse cycle is defined by `PULSE_ON` and `PULSE_OFF`. `0`
-  is inferred as infinite and the default value is `625`.
+- `BWCAP`: Maximum number of 64-bit words transferred per pulse cycle. A pulse cycle is defined by `PULSE_ON`
+  and `PULSE_OFF`. `0` is inferred as infinite and the default value is `625`.
 
-  > **Note:** The bandwidth cap `BWCAP` operates on the transaction level and, because of its simple implementation, the accuracy is limited.
+  > **Note:** The bandwidth cap `BWCAP` operates on the transaction level and, because of its simple implementation,
+  > the accuracy is limited.
   > When set to a small value it allows only a small number of transactions for each pulse cycle.
-  > Once the counter has reached or exceeded the configured cap, no transactions will be allowed before the next pulse cycle.
-  > In order to minimize this effect some possible solutions are:
+  > Once the counter has reached or exceeded the configured cap, no transactions will be allowed before the next pulse
+  > cycle. In order to minimize this effect some possible solutions are:
   >
-  >- scale up all the parameters to a reasonably large value.
-  >- scale up `BWCAP` as a multiple of the burst length (in this case bulk traffic will not face rounding errors in the bandwidth cap).
+  > - scale up all the parameters to a reasonably large value.
+  > - scale up `BWCAP` as a multiple of the burst length (in this case bulk traffic will not face rounding errors in
+  >   the bandwidth cap).
 
 - `MODE`: Timing adapter operation mode. Default value is `0`.
 
@@ -750,8 +759,8 @@ The Vela command contains the following:
 
 - `--accelerator-config`: Specifies the accelerator configuration to use between `ethos-u55-256`, `ethos-u55-128`,
   `ethos-u55-64`, `ethos-u55-32`, `ethos-u65-256`, and `ethos-u65-512`.
-- `--optimise`: Sets the optimisation strategy to Performance or Size. The Size strategy results in a model minimising the SRAM
-  usage whereas the Performance strategy optimises the neural network for maximal performance.
+- `--optimise`: Sets the optimisation strategy to Performance or Size. The Size strategy results in a model minimising
+  the SRAM usage whereas the Performance strategy optimises the neural network for maximal performance.
   Note that if using the Performance strategy, you can also pass the `--arena-cache-size` option to Vela.
 - `--config`: Specifies the path to the Vela configuration file. The format of the file is a Python ConfigParser `.ini`
     file. An example can be found in the `dependencies` folder [default_vela.ini](../../scripts/vela/default_vela.ini).
diff --git a/docs/sections/troubleshooting.md b/docs/sections/troubleshooting.md
index da96206..8b40e46 100644
--- a/docs/sections/troubleshooting.md
+++ b/docs/sections/troubleshooting.md
@@ -62,10 +62,9 @@ INFO -  Arch:       v1.0.6
 INFO -  Driver:     v0.16.0
 INFO -  MACs/cc:    128
 INFO -  Cmd stream: v0
-INFO -  SHRAM size: 24
-INFO - Arm Corstone-300 (SSE-300) platform initialised
-INFO - ARM ML Embedded Evaluation Kit for MPS3 FPGA and FastModel
-INFO - Target system design: Arm Corstone-300 (SSE-300)
+INFO - Target system design: Arm Corstone-300 - AN552
+INFO - Arm Corstone-300 - AN552 platform initialised
+INFO - ARM ML Embedded Evaluation Kit
 ```
 
 ## Problem installing Vela
@@ -73,15 +72,25 @@ INFO - Target system design: Arm Corstone-300 (SSE-300)
 During Vela installation, part of the package is compiled and requires libpython3.
 If the system lacks this dependency the following error will occur:
 
-```shell
- x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DNPY_NO_DEPRECATED_API=NPY_1_9_API_VERSION -I/venv/include -I/usr/include/python3.8 -I/venv/lib/python3.8/site-packages/numpy/core/include -c ethosu/mlw_codec/mlw_codecmodule.c -o build/temp.linux-x86_64-3.8/ethosu/mlw_codec/mlw_codecmodule.o
+```log
+ x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g
+  -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong
+  -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DNPY_NO_DEPRECATED_API=NPY_1_9_API_VERSION
+  -I/venv/include -I/usr/include/python3.8 -I/venv/lib/python3.8/site-packages/numpy/core/include
+  -c ethosu/mlw_codec/mlw_codecmodule.c -o build/temp.linux-x86_64-3.8/ethosu/mlw_codec/mlw_codecmodule.o
     ethosu/mlw_codec/mlw_codecmodule.c:20:10: fatal error: Python.h: No such file or directory
        20 | #include <Python.h>
           |          ^~~~~~~~~~
     compilation terminated.
     error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
     ----------------------------------------
-ERROR: Command errored out with exit status 1: /venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-4rmoh7va/ethos-u-vela/setup.py'"'"'; __file__='"'"'/tmp/pip-install-4rmoh7va/ethos-u-vela/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-jidxiokn/install-record.txt --single-version-externally-managed --compile --install-headers /venv/include/site/python3.8/ethos-u-vela Check the logs for full command output.
+ERROR: Command errored out with exit status 1: /venv/bin/python -u -c
+'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-4rmoh7va/ethos-u-vela/setup.py'"'"'
+; __file__='"'"'/tmp/pip-install-4rmoh7va/ethos-u-vela/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)
+(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))'
+install --record /tmp/pip-record-jidxiokn/install-record.txt --single-version-externally-managed
+--compile --install-headers
+/venv/include/site/python3.8/ethos-u-vela Check the logs for full command output.
 ```
 
 To solve this issue install libpython3 on the system.
@@ -91,10 +100,11 @@ To solve this issue install libpython3 on the system.
 If you see following errors when cloning the repository:
 
 - ```log
-  fatal: unable to access 'https://review.mlplatform.org/ml/ethos-u/ml-embedded-evaluation-kit/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
+   fatal: unable to access 'https://review.mlplatform.org/ml/ethos-u/ml-embedded-evaluation-kit/':
+   server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
   ```
 
-  We suggest to update to the lastest common CA certificates:
+  We suggest to update to the latest common CA certificates:
 
   ```commandline
   sudo apt-get update
@@ -102,7 +112,8 @@ If you see following errors when cloning the repository:
   ```
 
 - ```log
-  fatal: unable to access 'https://review.mlplatform.org/ml/ethos-u/ml-embedded-evaluation-kit/': error:06FFF089:digital envelope routines:CRYPTO_internal:bad key length
+  fatal: unable to access 'https://review.mlplatform.org/ml/ethos-u/ml-embedded-evaluation-kit/':
+  error:06FFF089:digital envelope routines:CRYPTO_internal:bad key length
   ```
 
   We suggest to export the `CURL_SSL_BACKEND` variable as `secure-transport`:
diff --git a/scripts/cmake/common_user_options.cmake b/scripts/cmake/common_user_options.cmake
index 9a13287..a077264 100644
--- a/scripts/cmake/common_user_options.cmake
+++ b/scripts/cmake/common_user_options.cmake
@@ -1,5 +1,5 @@
 #----------------------------------------------------------------------------
-#  Copyright (c) 2021 Arm Limited. All rights reserved.
+#  Copyright (c) 2021-2022 Arm Limited. All rights reserved.
 #  SPDX-License-Identifier: Apache-2.0
 #
 #  Licensed under the Apache License, Version 2.0 (the "License");
@@ -105,10 +105,15 @@ if (NOT TARGET_PLATFORM STREQUAL native)
         if ((ETHOS_U_NPU_ID STREQUAL U55) OR (ETHOS_U_NPU_ID STREQUAL U65))
             if (ETHOS_U_NPU_ID STREQUAL U55)
                 set(DEFAULT_NPU_MEM_MODE    "Shared_Sram")
-                set(DEFAULT_NPU_CONFIG_ID     "H128")
+                set(DEFAULT_NPU_CONFIG_ID   "H128")
             elseif(ETHOS_U_NPU_ID STREQUAL U65)
                 set(DEFAULT_NPU_MEM_MODE    "Dedicated_Sram")
-                set(DEFAULT_NPU_CONFIG_ID     "Y256")
+                set(DEFAULT_NPU_CONFIG_ID   "Y256")
+                set(DEFAULT_NPU_CACHE_SIZE  "393216")
+
+                USER_OPTION(ETHOS_U_NPU_CACHE_SIZE "Arm Ethos-U65 NPU Cache Size"
+                    "${DEFAULT_NPU_CACHE_SIZE}"
+                    STRING)
             endif()
         else ()
             message(FATAL_ERROR "Non compatible Ethos-U NPU processor ${ETHOS_U_NPU_ID}")
diff --git a/source/application/main/Main.cc b/source/application/main/Main.cc
index 3a1c110..8ed9c5a 100644
--- a/source/application/main/Main.cc
+++ b/source/application/main/Main.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -35,9 +35,8 @@ __ASM(" .global __ARM_use_no_argv\n");
 static void print_application_intro()
 {
     info("%s\n", PRJ_DES_STR);
-    info("Target system design: %s\n", DESIGN_NAME);
     info("Version %s Build date: " __DATE__ " @ " __TIME__ "\n", PRJ_VER_STR);
-    info("Copyright (C) ARM Ltd 2021. All rights reserved.\n\n");
+    info("Copyright (C) ARM Ltd 2021-2022. All rights reserved.\n\n");
 }
 
 int main ()
@@ -68,4 +67,3 @@ int main ()
     hal_platform_release(&platform);
     return 0;
 }
-
diff --git a/source/hal/CMakeLists.txt b/source/hal/CMakeLists.txt
index 0d844b2..536682f 100644
--- a/source/hal/CMakeLists.txt
+++ b/source/hal/CMakeLists.txt
@@ -67,11 +67,6 @@ endif()
 ############################ bare-metal profile #############################
 if (PLATFORM_PROFILE STREQUAL bare-metal)
 
-    ## Additional include directories - public
-    target_include_directories(${HAL_TARGET}
-        PUBLIC
-        ${PLATFORM_PROFILE_DIR}/bsp/include)
-
     ## Additional include directories - private
     target_include_directories(${HAL_TARGET}
         PRIVATE
@@ -95,71 +90,6 @@ if (PLATFORM_PROFILE STREQUAL bare-metal)
     # Add dependencies for platform_driver first, in case they are needed by it.
     add_subdirectory(cmsis_device ${CMAKE_BINARY_DIR}/cmsis_device)
 
-    # If Ethos-U is enabled, we need the driver library too
-    if (ETHOS_U_NPU_ENABLED)
-
-        if (NOT DEFINED ETHOS_U_NPU_DRIVER_SRC_PATH)
-            message(FATAL_ERROR "ETHOS_U_NPU_DRIVER_SRC_PATH should"
-                    " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
-        endif()
-
-        # Timing adapter, should, in theory be part of platform-drivers. For now
-        # limiting the scope of refactoring - but in future, TA should not be
-        # needed if not available on the target platform.
-        if (NOT DEFINED ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH)
-            message(FATAL_ERROR "ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH should"
-                    " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
-        endif()
-
-        target_compile_definitions(${HAL_TARGET}
-            PUBLIC
-            ARM_NPU)
-
-        # For the driver, we need to provide the CMSIS_PATH variable
-        set(CMSIS_PATH ${CMSIS_SRC_PATH} CACHE PATH "Path to CMSIS directory")
-        add_subdirectory(${ETHOS_U_NPU_DRIVER_SRC_PATH} ${CMAKE_BINARY_DIR}/ethos-u-driver)
-        add_subdirectory(${ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH} ${CMAKE_BINARY_DIR}/timing-adapter)
-
-        target_link_libraries(${HAL_TARGET}
-            PUBLIC
-            ethosu_core_driver
-            timing_adapter)
-
-        if (NOT DEFINED ETHOS_U_NPU_ID)
-            set(ETHOS_U_NPU_ID U55)
-        endif()
-
-        if (NOT DEFINED ETHOS_U_NPU_MEMORY_MODE)
-            set(ETHOS_U_NPU_MEMORY_MODE Shared_Sram)
-        endif()
-
-        if (ETHOS_U_NPU_MEMORY_MODE STREQUAL Sram_Only)
-            if (ETHOS_U_NPU_ID STREQUAL U55)
-                set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEM_MODE_SRAM_ONLY")
-            else ()
-                message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `sram_only` can be used only for Ethos-U55.")
-            endif ()
-
-        elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Shared_Sram)
-            # Shared Sram can be used for Ethos-U55 and Ethos-U65
-            set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM")
-
-        elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Dedicated_Sram)
-            # Dedicated Sram is used only for Ethos-U65
-            if (ETHOS_U_NPU_ID STREQUAL U65)
-                set(ETHOS_U_NPU_MEMORY_MODE_FLAG  "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM")
-            else ()
-                message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `dedicated_sram` can be used only for Ethos-U65.")
-            endif ()
-        else ()
-            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode ${ETHOS_U_NPU_MEMORY_MODE}")
-        endif ()
-
-        target_compile_definitions(${HAL_TARGET}
-            PUBLIC
-            ${ETHOS_U_NPU_MEMORY_MODE_FLAG})
-    endif()
-
 ############################   native profile   #############################
 elseif (PLATFORM_PROFILE STREQUAL native)
 
diff --git a/source/hal/components/ethosu_npu_init/ethosu_npu_init.c b/source/hal/components/ethosu_npu_init/ethosu_npu_init.c
new file mode 100644
index 0000000..2fed693
--- /dev/null
+++ b/source/hal/components/ethosu_npu_init/ethosu_npu_init.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ethosu_npu_init.h"
+
+#include "RTE_components.h"         /* For CPU related defintiions */
+#include "peripheral_memmap.h"      /* Peripheral memory map definitions. */
+#include "peripheral_irqs.h"        /* IRQ numbers for this platform. */
+#include "log_macros.h"             /* Logging functions */
+
+#include "ethosu_mem_config.h"      /* Arm Ethos-U memory config */
+#include "ethosu_driver.h"          /* Arm Ethos-U driver header */
+
+struct ethosu_driver ethosu_drv; /* Default Ethos-U device driver */
+
+#if defined(ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0)
+static uint8_t cache_arena[ETHOS_U_CACHE_BUF_SZ] CACHE_BUF_ATTRIBUTE;
+#else  /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
+static uint8_t *cache_arena = NULL;
+#endif /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
+
+uint8_t *get_cache_arena()
+{
+    return cache_arena;
+}
+
+size_t get_cache_arena_size()
+{
+#if defined(ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0)
+    return sizeof(cache_arena);
+#else  /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
+    return 0;
+#endif /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
+}
+
+/**
+ * @brief   Defines the Ethos-U interrupt handler: just a wrapper around the default
+ *          implementation.
+ **/
+void arm_ethosu_npu_irq_handler(void)
+{
+    /* Call the default interrupt handler from the NPU driver */
+    ethosu_irq_handler(&ethosu_drv);
+}
+
+/**
+ * @brief  Initialises the NPU IRQ
+ **/
+void arm_ethosu_npu_irq_init(void)
+{
+    const IRQn_Type ethosu_irqnum = (IRQn_Type)EthosU_IRQn;
+
+    /* Register the EthosU IRQ handler in our vector table.
+     * Note, this handler comes from the EthosU driver */
+    NVIC_SetVector(ethosu_irqnum, (uint32_t)arm_ethosu_npu_irq_handler);
+
+    /* Enable the IRQ */
+    NVIC_EnableIRQ(ethosu_irqnum);
+
+    debug("EthosU IRQ#: %u, Handler: 0x%p\n",
+          ethosu_irqnum, arm_ethosu_npu_irq_handler);
+}
+
+int arm_ethosu_npu_init(void)
+{
+    int err = 0;
+
+    /* Initialise the IRQ */
+    arm_ethosu_npu_irq_init();
+
+    /* Initialise Ethos-U device */
+    const void *ethosu_base_address = (void *)(SEC_ETHOS_U_NPU_BASE);
+
+    if (0 != (err = ethosu_init(
+                  &ethosu_drv,            /* Ethos-U driver device pointer */
+                  ethosu_base_address,    /* Ethos-U NPU's base address. */
+                  get_cache_arena(),      /* Pointer to fast mem area - NULL for U55. */
+                  get_cache_arena_size(), /* Fast mem region size. */
+                  1,                      /* Security enable. */
+                  1)))                    /* Privilege enable. */
+    {
+        printf_err("failed to initialise Ethos-U device\n");
+        return err;
+    }
+
+    info("Ethos-U device initialised\n");
+
+    /* Get Ethos-U version */
+    struct ethosu_driver_version driver_version;
+    struct ethosu_hw_info hw_info;
+
+    ethosu_get_driver_version(&driver_version);
+    ethosu_get_hw_info(&ethosu_drv, &hw_info);
+
+    info("Ethos-U version info:\n");
+    info("\tArch:       v%" PRIu32 ".%" PRIu32 ".%" PRIu32 "\n",
+         hw_info.version.arch_major_rev,
+         hw_info.version.arch_minor_rev,
+         hw_info.version.arch_patch_rev);
+    info("\tDriver:     v%" PRIu8 ".%" PRIu8 ".%" PRIu8 "\n",
+         driver_version.major,
+         driver_version.minor,
+         driver_version.patch);
+    info("\tMACs/cc:    %" PRIu32 "\n", (uint32_t)(1 << hw_info.cfg.macs_per_cc));
+    info("\tCmd stream: v%" PRIu32 "\n", hw_info.cfg.cmd_stream_version);
+
+    return 0;
+}
diff --git a/source/hal/profiles/bare-metal/bsp/include/bsp.h b/source/hal/components/ethosu_npu_init/include/ethosu_npu_init.h
index e6dd0b5..c562f6c 100644
--- a/source/hal/profiles/bare-metal/bsp/include/bsp.h
+++ b/source/hal/components/ethosu_npu_init/include/ethosu_npu_init.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,13 +14,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef BSP_H
-#define BSP_H
-
-#include "platform_drivers.h"
+#ifndef ETHOS_U_NPU_INIT_H
+#define ETHOS_U_NPU_INIT_H
 
 #if defined(ARM_NPU)
-#include "ethosu_mem_config.h"
-#endif /* defined(ARM_NPU) */
 
-#endif /* BSP_H */
+/**
+ * @brief   Initialises the Arm Ethos-U NPU
+ * @return  0 if successful, error code otherwise
+ **/
+int arm_ethosu_npu_init(void);
+
+#endif /* ARM_NPU */
+
+#endif /* ETHOS_U_NPU_INIT_H */
diff --git a/source/hal/components/ethosu_ta_init/ethosu_ta_init.c b/source/hal/components/ethosu_ta_init/ethosu_ta_init.c
new file mode 100644
index 0000000..26eeb5c
--- /dev/null
+++ b/source/hal/components/ethosu_ta_init/ethosu_ta_init.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ethosu_ta_init.h"
+
+#include "log_macros.h"                 /* Logging functions */
+
+#if defined(TIMING_ADAPTER_AVAILABLE)
+
+#include "timing_adapter.h"             /* Arm Ethos-U timing adapter driver header */
+#include "timing_adapter_settings.h"    /* Arm Ethos-U timing adapter settings */
+
+int arm_ethosu_timing_adapter_init(void)
+{
+#if defined(TA0_BASE)
+    struct timing_adapter ta_0;
+    struct timing_adapter_settings ta_0_settings = {
+        .maxr = TA0_MAXR,
+        .maxw = TA0_MAXW,
+        .maxrw = TA0_MAXRW,
+        .rlatency = TA0_RLATENCY,
+        .wlatency = TA0_WLATENCY,
+        .pulse_on = TA0_PULSE_ON,
+        .pulse_off = TA0_PULSE_OFF,
+        .bwcap = TA0_BWCAP,
+        .perfctrl = TA0_PERFCTRL,
+        .perfcnt = TA0_PERFCNT,
+        .mode = TA0_MODE,
+        .maxpending = 0, /* This is a read-only parameter */
+        .histbin = TA0_HISTBIN,
+        .histcnt = TA0_HISTCNT};
+
+    if (0 != ta_init(&ta_0, TA0_BASE))
+    {
+        printf_err("TA0 initialisation failed\n");
+        return 1;
+    }
+
+    ta_set_all(&ta_0, &ta_0_settings);
+#endif /* defined (TA0_BASE) */
+
+#if defined(TA1_BASE)
+    struct timing_adapter ta_1;
+    struct timing_adapter_settings ta_1_settings = {
+        .maxr = TA1_MAXR,
+        .maxw = TA1_MAXW,
+        .maxrw = TA1_MAXRW,
+        .rlatency = TA1_RLATENCY,
+        .wlatency = TA1_WLATENCY,
+        .pulse_on = TA1_PULSE_ON,
+        .pulse_off = TA1_PULSE_OFF,
+        .bwcap = TA1_BWCAP,
+        .perfctrl = TA1_PERFCTRL,
+        .perfcnt = TA1_PERFCNT,
+        .mode = TA1_MODE,
+        .maxpending = 0, /* This is a read-only parameter */
+        .histbin = TA1_HISTBIN,
+        .histcnt = TA1_HISTCNT};
+
+    if (0 != ta_init(&ta_1, TA1_BASE))
+    {
+        printf_err("TA1 initialisation failed\n");
+        return 1;
+    }
+
+    ta_set_all(&ta_1, &ta_1_settings);
+#endif /* defined (TA1_BASE) */
+
+    return 0;
+}
+
+#endif /* TIMING_ADAPTER_AVAILABLE */
diff --git a/source/hal/components/ethosu_ta_init/include/ethosu_ta_init.h b/source/hal/components/ethosu_ta_init/include/ethosu_ta_init.h
new file mode 100644
index 0000000..2ab7fb2
--- /dev/null
+++ b/source/hal/components/ethosu_ta_init/include/ethosu_ta_init.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ETHOS_U_TA_INIT_H
+#define ETHOS_U_TA_INIT_H
+
+#if defined(ARM_NPU) && defined(TIMING_ADAPTER_AVAILABLE)
+
+/**
+ * @brief   Initialises the Arm Ethos-U NPU timing adapter
+ * @return  0 if successful, error code otherwise
+ **/
+int arm_ethosu_timing_adapter_init(void);
+
+#endif /* ARM_NPU && TIMING_ADAPTER_AVAILABLE */
+
+#endif /* ETHOS_U_TA_INIT_H */
diff --git a/source/hal/hal.c b/source/hal/hal.c
index d78ac95..2715a17 100644
--- a/source/hal/hal.c
+++ b/source/hal/hal.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,7 +16,6 @@
  */
 #include "hal.h"                /* API */
 
-#include "hal_config.h"         /* HAL configuration */
 #include "platform_drivers.h"   /* Platform drivers */
 #include "log_macros.h"         /* Logging macros */
 
@@ -24,46 +23,6 @@
 #include <assert.h>
 #include <string.h>
 
-#if defined(ARM_NPU)
-
-#include "ethosu_mem_config.h"          /* Arm Ethos-U memory config */
-#include "ethosu_driver.h"              /* Arm Ethos-U driver header */
-#include "timing_adapter.h"             /* Arm Ethos-U timing adapter driver header */
-
-#if defined(TIMING_ADAPTER_AVAILABLE)
-#include "timing_adapter_settings.h"    /* Arm Ethos-U timing adapter settings */
-#endif /* defined(TIMING_ADAPTER_AVAILABLE) */
-
-struct ethosu_driver ethosu_drv; /* Default Ethos-U device driver */
-
-#if defined(ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0)
-    static uint8_t  cache_arena[ETHOS_U_CACHE_BUF_SZ] CACHE_BUF_ATTRIBUTE;
-#else /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
-    static uint8_t* cache_arena = NULL;
-#endif /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
-
-/**
- * @brief   Initialises the Arm Ethos-U NPU
- * @return  0 if successful, error code otherwise
- **/
-static int arm_npu_init(void);
-
-static uint8_t * get_cache_arena()
-{
-    return cache_arena;
-}
-
-static size_t get_cache_arena_size()
-{
-#if defined(ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0)
-    return sizeof(cache_arena);
-#else /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
-    return 0;
-#endif /* defined (ETHOS_U_CACHE_BUF_SZ) && (ETHOS_U_CACHE_BUF_SZ > 0) */
-}
-
-#endif /* ARM_NPU */
-
 int hal_init(hal_platform* platform, data_acq_module* data_acq,
     data_psn_module* data_psn, platform_timer* timer)
 {
@@ -96,14 +55,14 @@ int hal_platform_init(hal_platform* platform)
 
     /* Initialise platform */
     if (0 != (state = platform->platform_init())) {
-        printf_err("failed to initialise platform %s\n", platform->plat_name);
+        printf_err("Failed to initialise platform %s\n", platform->plat_name);
         return state;
     }
 
     /* Initialise the data acquisition module */
     if (0 != (state = data_acq_channel_init(platform->data_acq))) {
         if (!platform->data_acq->inited) {
-            printf_err("failed to initialise data acq module: %s\n",
+            printf_err("Failed to initialise data acq module: %s\n",
                 platform->data_acq->system_name);
         }
         hal_platform_release(platform);
@@ -112,29 +71,20 @@ int hal_platform_init(hal_platform* platform)
 
     /* Initialise the presentation module */
     if (0 != (state = data_psn_system_init(platform->data_psn))) {
-        printf_err("failed to initialise data psn module: %s\n",
+        printf_err("Failed to initialise data psn module: %s\n",
             platform->data_psn->system_name);
         data_acq_channel_release(platform->data_acq);
         hal_platform_release(platform);
         return state;
     }
 
-#if defined(ARM_NPU)
-
-    /* If Arm Ethos-U NPU is to be used, we initialise it here */
-    if (0 != (state = arm_npu_init())) {
-        return state;
-    }
-
-#endif /* ARM_NPU */
-
-    /* followed by the timer module */
+    /* Followed by the timer module */
     init_timer(platform->timer);
 
     info("%s platform initialised\n", platform->plat_name);
-    debug("using %s module for data acquisition\n",
+    debug("Using %s module for data acquisition\n",
             platform->data_acq->system_name);
-    debug("using %s module for data presentation\n",
+    debug("Using %s module for data presentation\n",
         platform->data_psn->system_name);
 
     platform->inited = !state;
@@ -149,151 +99,6 @@ void hal_platform_release(hal_platform *platform)
     data_psn_system_release(platform->data_psn);
 
     hal_platform_clear(platform);
-    info("releasing platform %s\n", platform->plat_name);
+    info("Releasing platform %s\n", platform->plat_name);
     platform->platform_release();
 }
-
-#if defined(ARM_NPU)
-/**
- * @brief   Defines the Ethos-U interrupt handler: just a wrapper around the default
- *          implementation.
- **/
-static void arm_npu_irq_handler(void)
-{
-    /* Call the default interrupt handler from the NPU driver */
-    ethosu_irq_handler(&ethosu_drv);
-}
-
-/**
- * @brief  Initialises the NPU IRQ
- **/
-static void arm_npu_irq_init(void)
-{
-    const IRQn_Type ethosu_irqnum = (IRQn_Type)EthosU_IRQn;
-
-    /* Register the EthosU IRQ handler in our vector table.
-     * Note, this handler comes from the EthosU driver */
-    NVIC_SetVector(ethosu_irqnum, (uint32_t)arm_npu_irq_handler);
-
-    /* Enable the IRQ */
-    NVIC_EnableIRQ(ethosu_irqnum);
-
-    debug("EthosU IRQ#: %u, Handler: 0x%p\n",
-            ethosu_irqnum, arm_npu_irq_handler);
-}
-
-#if defined(TIMING_ADAPTER_AVAILABLE)
-    static int _arm_npu_timing_adapter_init(void)
-    {
-    #if defined (TA0_BASE)
-        struct timing_adapter ta_0;
-        struct timing_adapter_settings ta_0_settings = {
-            .maxr = TA0_MAXR,
-            .maxw = TA0_MAXW,
-            .maxrw = TA0_MAXRW,
-            .rlatency = TA0_RLATENCY,
-            .wlatency = TA0_WLATENCY,
-            .pulse_on = TA0_PULSE_ON,
-            .pulse_off = TA0_PULSE_OFF,
-            .bwcap = TA0_BWCAP,
-            .perfctrl = TA0_PERFCTRL,
-            .perfcnt = TA0_PERFCNT,
-            .mode = TA0_MODE,
-            .maxpending = 0, /* This is a read-only parameter */
-            .histbin = TA0_HISTBIN,
-            .histcnt = TA0_HISTCNT
-        };
-
-        if (0 != ta_init(&ta_0, TA0_BASE)) {
-            printf_err("TA0 initialisation failed\n");
-            return 1;
-        }
-
-        ta_set_all(&ta_0, &ta_0_settings);
-    #endif /* defined (TA0_BASE) */
-
-    #if defined (TA1_BASE)
-        struct timing_adapter ta_1;
-        struct timing_adapter_settings ta_1_settings = {
-            .maxr = TA1_MAXR,
-            .maxw = TA1_MAXW,
-            .maxrw = TA1_MAXRW,
-            .rlatency = TA1_RLATENCY,
-            .wlatency = TA1_WLATENCY,
-            .pulse_on = TA1_PULSE_ON,
-            .pulse_off = TA1_PULSE_OFF,
-            .bwcap = TA1_BWCAP,
-            .perfctrl = TA1_PERFCTRL,
-            .perfcnt = TA1_PERFCNT,
-            .mode = TA1_MODE,
-            .maxpending = 0, /* This is a read-only parameter */
-            .histbin = TA1_HISTBIN,
-            .histcnt = TA1_HISTCNT
-        };
-
-        if (0 != ta_init(&ta_1, TA1_BASE)) {
-            printf_err("TA1 initialisation failed\n");
-            return 1;
-        }
-
-        ta_set_all(&ta_1, &ta_1_settings);
-    #endif /* defined (TA1_BASE) */
-
-        return 0;
-    }
-#endif /* defined(TIMING_ADAPTER_AVAILABLE) */
-
-static int arm_npu_init(void)
-{
-    int err = 0;
-
-    /* If the platform has timing adapter blocks along with Ethos-U core
-     * block, initialise them here. */
-#if defined(TIMING_ADAPTER_AVAILABLE)
-    if (0 != (err = _arm_npu_timing_adapter_init())) {
-        return err;
-    }
-#endif /* defined(TIMING_ADAPTER_AVAILABLE) */
-
-    /* Initialise the IRQ */
-    arm_npu_irq_init();
-
-    /* Initialise Ethos-U device */
-    const void * ethosu_base_address = (void *)(SEC_ETHOS_U_NPU_BASE);
-
-    if (0 != (err = ethosu_init(
-                        &ethosu_drv,             /* Ethos-U driver device pointer */
-                        ethosu_base_address,     /* Ethos-U NPU's base address. */
-                        get_cache_arena(),       /* Pointer to fast mem area - NULL for U55. */
-                        get_cache_arena_size(), /* Fast mem region size. */
-                        1,                       /* Security enable. */
-                        1))) {                   /* Privilege enable. */
-        printf_err("failed to initalise Ethos-U device\n");
-        return err;
-    }
-
-    info("Ethos-U device initialised\n");
-
-    /* Get Ethos-U version */
-    struct ethosu_driver_version driver_version;
-    struct ethosu_hw_info hw_info;
-
-    ethosu_get_driver_version(&driver_version);
-    ethosu_get_hw_info(&ethosu_drv, &hw_info);
-
-    info("Ethos-U version info:\n");
-    info("\tArch:       v%"PRIu32".%"PRIu32".%"PRIu32"\n",
-                                    hw_info.version.arch_major_rev,
-                                    hw_info.version.arch_minor_rev,
-                                    hw_info.version.arch_patch_rev);
-    info("\tDriver:     v%"PRIu8".%"PRIu8".%"PRIu8"\n",
-                                    driver_version.major,
-                                    driver_version.minor,
-                                    driver_version.patch);
-    info("\tMACs/cc:    %"PRIu32"\n", (uint32_t)(1 << hw_info.cfg.macs_per_cc));
-    info("\tCmd stream: v%"PRIu32"\n", hw_info.cfg.cmd_stream_version);
-
-    return 0;
-}
-
-#endif /* ARM_NPU */
diff --git a/source/hal/include/hal_config.h b/source/hal/include/hal_config.h
deleted file mode 100644
index ca32f4e..0000000
--- a/source/hal/include/hal_config.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef HAL_CONFIG_H
-#define HAL_CONFIG_H
-
-/* This header provides some basic configuration for HAL */
-
-/* Platform definitions for the systems we expect to support */
-#define PLATFORM_CORTEX_M_BAREMETAL 1U
-#define PLATFORM_UNKNOWN_LINUX_OS   3U
-
-/* This should come from compile time definition */
-#ifndef PLATFORM_HAL
-    #define PLATFORM_HAL    PLATFORM_UNKNOWN_LINUX_OS    /* Default platform */
-#endif /* PLATFORM_HAL */
-
-#if ((PLATFORM_HAL) == PLATFORM_CORTEX_M_BAREMETAL)
-    #include "bsp.h"
-#endif
-
-#if !defined (DESIGN_NAME)
-    #define DESIGN_NAME   ("N/A")
-#endif /* !defined (DESIGN_NAME) */
-
-#endif /* HAL_CONFIG_H */
diff --git a/source/hal/include/timer.h b/source/hal/include/timer.h
index 56aad5b..4429388 100644
--- a/source/hal/include/timer.h
+++ b/source/hal/include/timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,7 +17,6 @@
 #ifndef HAL_TIMER_H
 #define HAL_TIMER_H
 
-#include "hal_config.h"
 #include "platform_timer.h"
 
 /** Struct for describing the capabilities available for
diff --git a/source/hal/platform/mps3/CMakeLists.txt b/source/hal/platform/mps3/CMakeLists.txt
index cd95d6c..75e70a2 100644
--- a/source/hal/platform/mps3/CMakeLists.txt
+++ b/source/hal/platform/mps3/CMakeLists.txt
@@ -82,7 +82,7 @@ target_sources(${PLATFORM_DRIVERS_TARGET}
     source/timer_mps3.c
     source/platform_drivers.c)
 
-## Directory for additional compnents required by MPS3:
+## Directory for additional components required by MPS3:
 if (NOT DEFINED COMPONENTS_DIR)
     set(COMPONENTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../components)
 endif()
@@ -115,7 +115,87 @@ target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
 target_link_libraries(${PLATFORM_DRIVERS_TARGET} PUBLIC
     log cmsis_device)
 
-# Display status:
+# If Ethos-U is enabled, we need the driver library too
+if (ETHOS_U_NPU_ENABLED)
+
+
+    ## Platform component: Ethos-U initialization
+    target_sources(${PLATFORM_DRIVERS_TARGET}
+            PRIVATE
+            ${COMPONENTS_DIR}/ethosu_npu_init/ethosu_npu_init.c)
+    target_include_directories(${PLATFORM_DRIVERS_TARGET}
+            PUBLIC
+            ${COMPONENTS_DIR}/ethosu_npu_init/include)
+
+    ## Platform component: Ethos-U timing apadpter initialization
+    target_sources(${PLATFORM_DRIVERS_TARGET}
+            PRIVATE
+            ${COMPONENTS_DIR}/ethosu_ta_init/ethosu_ta_init.c)
+    target_include_directories(${PLATFORM_DRIVERS_TARGET}
+            PUBLIC
+            ${COMPONENTS_DIR}/ethosu_ta_init/include)
+
+    if (NOT DEFINED ETHOS_U_NPU_DRIVER_SRC_PATH)
+        message(FATAL_ERROR "ETHOS_U_NPU_DRIVER_SRC_PATH should"
+                " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+    endif()
+
+    # Timing adapter
+    if (NOT DEFINED ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH)
+        message(FATAL_ERROR "ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH should"
+                " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+    endif()
+
+    target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ARM_NPU)
+
+    # For the driver, we need to provide the CMSIS_PATH variable
+    set(CMSIS_PATH ${CMSIS_SRC_PATH} CACHE PATH "Path to CMSIS directory")
+    add_subdirectory(${ETHOS_U_NPU_DRIVER_SRC_PATH} ${CMAKE_BINARY_DIR}/ethos-u-driver)
+    add_subdirectory(${ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH} ${CMAKE_BINARY_DIR}/timing-adapter)
+
+    target_link_libraries(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ethosu_core_driver
+        timing_adapter)
+
+    if (NOT DEFINED ETHOS_U_NPU_ID)
+        set(ETHOS_U_NPU_ID U55)
+    endif()
+
+    if (NOT DEFINED ETHOS_U_NPU_MEMORY_MODE)
+        set(ETHOS_U_NPU_MEMORY_MODE Shared_Sram)
+    endif()
+
+    if (ETHOS_U_NPU_MEMORY_MODE STREQUAL Sram_Only)
+        if (ETHOS_U_NPU_ID STREQUAL U55)
+            set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEM_MODE_SRAM_ONLY")
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `sram_only` can be used only for Ethos-U55.")
+        endif ()
+
+    elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Shared_Sram)
+        # Shared Sram can be used for Ethos-U55 and Ethos-U65
+        set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM")
+
+    elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Dedicated_Sram)
+        # Dedicated Sram is used only for Ethos-U65
+        if (ETHOS_U_NPU_ID STREQUAL U65)
+            list(APPEND ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM" "-DETHOS_U_NPU_CACHE_SIZE=${ETHOS_U_NPU_CACHE_SIZE}")
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `dedicated_sram` can be used only for Ethos-U65.")
+        endif ()
+    else ()
+        message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode ${ETHOS_U_NPU_MEMORY_MODE}")
+    endif ()
+
+    target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ${ETHOS_U_NPU_MEMORY_MODE_FLAG})
+endif()
+
+# 5. Display status:
 message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
 message(STATUS "*******************************************************")
 message(STATUS "Library                                : " ${PLATFORM_DRIVERS_TARGET})
diff --git a/source/hal/profiles/bare-metal/bsp/include/ethosu_mem_config.h b/source/hal/platform/mps3/include/ethosu_mem_config.h
index b393a03..aa0cfda 100644
--- a/source/hal/profiles/bare-metal/bsp/include/ethosu_mem_config.h
+++ b/source/hal/platform/mps3/include/ethosu_mem_config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #ifndef ETHOS_U_NPU_MEM_CONFIG_H
 #define ETHOS_U_NPU_MEM_CONFIG_H
 
@@ -28,7 +29,11 @@
 #endif /* ETHOS_U_NPU_MEMORY_MODE */
 
 #if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM)
-    #define ETHOS_U_CACHE_BUF_SZ    (393216U)    /* See vela doc? for reference? */
+    #ifndef ETHOS_U_NPU_CACHE_SIZE
+        #define ETHOS_U_CACHE_BUF_SZ                (393216U)  /* See vela doc for reference */
+    #else
+        #define ETHOS_U_CACHE_BUF_SZ                ETHOS_U_NPU_CACHE_SIZE
+    #endif /* ETHOS_U_NPU_CACHE_SIZE */
 #else
     #define ETHOS_U_CACHE_BUF_SZ    (0U)
 #endif /* CACHE_BUF_SZ */
@@ -50,4 +55,4 @@
     #define CACHE_BUF_ATTRIBUTE         __attribute__((aligned(ETHOS_U_MEM_BYTE_ALIGNMENT), CACHE_BUF_SECTION))
 #endif
 
-#endif /* ETHOS_U_NPU_MEM_CONFIG_H */
\ No newline at end of file
+#endif /* ETHOS_U_NPU_MEM_CONFIG_H */
diff --git a/source/hal/platform/mps3/source/platform_drivers.c b/source/hal/platform/mps3/source/platform_drivers.c
index da2b39c..3046c12 100644
--- a/source/hal/platform/mps3/source/platform_drivers.c
+++ b/source/hal/platform/mps3/source/platform_drivers.c
@@ -23,6 +23,15 @@
 
 #include <string.h>         /* For strncpy */
 
+#if defined(ARM_NPU)
+#include "ethosu_npu_init.h"
+
+#if defined(TIMING_ADAPTER_AVAILABLE)
+#include "ethosu_ta_init.h"
+#endif /* TIMING_ADAPTER_AVAILABLE */
+
+#endif /* ARM_NPU */
+
 /**
  * @brief   Checks if the platform is valid by checking
  *          the CPU ID for the FPGA implementation against
@@ -45,7 +54,30 @@ int platform_init(void)
         return err;
     }
 
-    /** TODO: Add ARM NPU and TA init here */
+#if defined(ARM_NPU)
+
+#if defined(TIMING_ADAPTER_AVAILABLE)
+    /* If the platform has timing adapter blocks along with Ethos-U core
+     * block, initialise them here. */
+    if (0 != (err = arm_ethosu_timing_adapter_init()))
+    {
+        return err;
+    }
+#endif /* TIMING_ADAPTER_AVAILABLE */
+
+    int state;
+
+    /* If Arm Ethos-U NPU is to be used, we initialise it here */
+    if (0 != (state = arm_ethosu_npu_init()))
+    {
+        return state;
+    }
+
+#endif /* ARM_NPU */
+
+    /* Print target design info */
+    info("Target system design: %s\n", DESIGN_NAME);
+
     return 0;
 }
 
diff --git a/source/hal/platform/simple/CMakeLists.txt b/source/hal/platform/simple/CMakeLists.txt
index 44c4089..105fc9b 100644
--- a/source/hal/platform/simple/CMakeLists.txt
+++ b/source/hal/platform/simple/CMakeLists.txt
@@ -52,7 +52,7 @@ configure_file("${MEM_PROFILE_TEMPLATE}" "${SOURCE_GEN_DIR}/peripheral_memmap.h"
 configure_file("${IRQ_PROFILE_TEMPLATE}" "${SOURCE_GEN_DIR}/peripheral_irqs.h")
 configure_file("${MEM_REGIONS_TEMPLATE}" "${SOURCE_GEN_DIR}/mem_regions.h")
 
-# If a TA config file is provided, we generate a settings file
+## If a TA config file is provided, we generate a settings file
 if (DEFINED TA_CONFIG_FILE)
     include(${TA_CONFIG_FILE})
     set(TA_SETTINGS_TEMPLATE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/timing_adapter_settings.template)
@@ -75,13 +75,18 @@ target_sources(${PLATFORM_DRIVERS_TARGET}
     source/timer_simple_platform.c
     source/platform_drivers.c)
 
+## Directory for additional components required by generic platform:
+if (NOT DEFINED COMPONENTS_DIR)
+    set(COMPONENTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../components)
+endif()
+
 ## Platform component: uart
 target_sources(${PLATFORM_DRIVERS_TARGET}
         PRIVATE
-        ${CMAKE_CURRENT_SOURCE_DIR}/../../components/uart_pl011/uart_pl011.c)
+        ${COMPONENTS_DIR}/uart_pl011/uart_pl011.c)
 target_include_directories(${PLATFORM_DRIVERS_TARGET}
         PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}/../../components/uart_pl011/include)
+        ${COMPONENTS_DIR}/uart_pl011/include)
 
 ## Compile defs
 target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
@@ -89,11 +94,91 @@ target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
     ACTIVATION_BUF_SRAM_SZ=${ACTIVATION_BUF_SRAM_SZ}
     $<$<BOOL:TA_CONFIG_FILE>:TIMING_ADAPTER_AVAILABLE>)
 
+# Add dependencies:
 target_link_libraries(${PLATFORM_DRIVERS_TARGET}  PUBLIC
         cmsis_device
         log)
 
-# 6 Display status:
+# If Ethos-U is enabled, we need the driver library too
+if (ETHOS_U_NPU_ENABLED)
+
+    ## Platform component: Ethos-U initialization
+    target_sources(${PLATFORM_DRIVERS_TARGET}
+            PRIVATE
+            ${COMPONENTS_DIR}/ethosu_npu_init/ethosu_npu_init.c)
+    target_include_directories(${PLATFORM_DRIVERS_TARGET}
+            PUBLIC
+            ${COMPONENTS_DIR}/ethosu_npu_init/include)
+
+    ## Platform component: Ethos-U timing apadpter initialization
+    target_sources(${PLATFORM_DRIVERS_TARGET}
+            PRIVATE
+            ${COMPONENTS_DIR}/ethosu_ta_init/ethosu_ta_init.c)
+    target_include_directories(${PLATFORM_DRIVERS_TARGET}
+            PUBLIC
+            ${COMPONENTS_DIR}/ethosu_ta_init/include)
+
+    if (NOT DEFINED ETHOS_U_NPU_DRIVER_SRC_PATH)
+        message(FATAL_ERROR "ETHOS_U_NPU_DRIVER_SRC_PATH should"
+                " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+    endif()
+
+    # Timing adapter
+    if (NOT DEFINED ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH)
+        message(FATAL_ERROR "ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH should"
+                " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+    endif()
+
+    target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ARM_NPU)
+
+    # For the driver, we need to provide the CMSIS_PATH variable
+    set(CMSIS_PATH ${CMSIS_SRC_PATH} CACHE PATH "Path to CMSIS directory")
+    add_subdirectory(${ETHOS_U_NPU_DRIVER_SRC_PATH} ${CMAKE_BINARY_DIR}/ethos-u-driver)
+    add_subdirectory(${ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH} ${CMAKE_BINARY_DIR}/timing-adapter)
+
+    target_link_libraries(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ethosu_core_driver
+        timing_adapter)
+
+    if (NOT DEFINED ETHOS_U_NPU_ID)
+        set(ETHOS_U_NPU_ID U55)
+    endif()
+
+    if (NOT DEFINED ETHOS_U_NPU_MEMORY_MODE)
+        set(ETHOS_U_NPU_MEMORY_MODE Shared_Sram)
+    endif()
+
+    if (ETHOS_U_NPU_MEMORY_MODE STREQUAL Sram_Only)
+        if (ETHOS_U_NPU_ID STREQUAL U55)
+            set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEM_MODE_SRAM_ONLY")
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `sram_only` can be used only for Ethos-U55.")
+        endif ()
+
+    elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Shared_Sram)
+        # Shared Sram can be used for Ethos-U55 and Ethos-U65
+        set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM")
+
+    elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Dedicated_Sram)
+        # Dedicated Sram is used only for Ethos-U65
+        if (ETHOS_U_NPU_ID STREQUAL U65)
+            list(APPEND ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM" "-DETHOS_U_NPU_CACHE_SIZE=${ETHOS_U_NPU_CACHE_SIZE}")
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `dedicated_sram` can be used only for Ethos-U65.")
+        endif ()
+    else ()
+        message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode ${ETHOS_U_NPU_MEMORY_MODE}")
+    endif ()
+
+    target_compile_definitions(${PLATFORM_DRIVERS_TARGET}
+        PUBLIC
+        ${ETHOS_U_NPU_MEMORY_MODE_FLAG})
+endif()
+
+# 5. Display status:
 message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
 message(STATUS "*******************************************************")
 message(STATUS "Library                                : " ${PLATFORM_DRIVERS_TARGET})
diff --git a/source/hal/platform/simple/include/ethosu_mem_config.h b/source/hal/platform/simple/include/ethosu_mem_config.h
new file mode 100644
index 0000000..aa0cfda
--- /dev/null
+++ b/source/hal/platform/simple/include/ethosu_mem_config.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ETHOS_U_NPU_MEM_CONFIG_H
+#define ETHOS_U_NPU_MEM_CONFIG_H
+
+#define ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY           0
+#define ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM         1
+#define ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM      2
+
+#define ETHOS_U_MEM_BYTE_ALIGNMENT                  16
+
+#ifndef ETHOS_U_NPU_MEMORY_MODE
+    #define ETHOS_U_NPU_MEMORY_MODE                 ETHOS_U_MEMORY_MODE_SHARED_SRAM
+#endif /* ETHOS_U_NPU_MEMORY_MODE */
+
+#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM)
+    #ifndef ETHOS_U_NPU_CACHE_SIZE
+        #define ETHOS_U_CACHE_BUF_SZ                (393216U)  /* See vela doc for reference */
+    #else
+        #define ETHOS_U_CACHE_BUF_SZ                ETHOS_U_NPU_CACHE_SIZE
+    #endif /* ETHOS_U_NPU_CACHE_SIZE */
+#else
+    #define ETHOS_U_CACHE_BUF_SZ    (0U)
+#endif /* CACHE_BUF_SZ */
+
+/**
+ * Activation buffer aka tensor arena section name
+ * We have to place the tensor arena in different region based on the memory config.
+ **/
+#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM)
+    #define ACTIVATION_BUF_SECTION      section(".bss.NoInit.activation_buf_sram")
+    #define ACTIVATION_BUF_SECTION_NAME ("SRAM")
+#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY)
+    #define ACTIVATION_BUF_SECTION      section(".bss.NoInit.activation_buf_sram")
+    #define ACTIVATION_BUF_SECTION_NAME ("SRAM")
+#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM)
+    #define ACTIVATION_BUF_SECTION      section("activation_buf_dram")
+    #define CACHE_BUF_SECTION           section(".bss.NoInit.ethos_u_cache")
+    #define ACTIVATION_BUF_SECTION_NAME ("DDR/DRAM")
+    #define CACHE_BUF_ATTRIBUTE         __attribute__((aligned(ETHOS_U_MEM_BYTE_ALIGNMENT), CACHE_BUF_SECTION))
+#endif
+
+#endif /* ETHOS_U_NPU_MEM_CONFIG_H */
diff --git a/source/hal/platform/simple/source/platform_drivers.c b/source/hal/platform/simple/source/platform_drivers.c
index c92a964..6a89c61 100644
--- a/source/hal/platform/simple/source/platform_drivers.c
+++ b/source/hal/platform/simple/source/platform_drivers.c
@@ -20,6 +20,15 @@
 #include "uart_stdout.h"
 #include <string.h>
 
+#if defined(ARM_NPU)
+#include "ethosu_npu_init.h"
+
+#if defined(TIMING_ADAPTER_AVAILABLE)
+#include "ethosu_ta_init.h"
+#endif /* TIMING_ADAPTER_AVAILABLE */
+
+#endif /* ARM_NPU */
+
 int platform_init(void)
 {
     SystemCoreClockUpdate();    /* From start up code */
@@ -30,7 +39,30 @@ int platform_init(void)
 
     info("%s: complete\n", __FUNCTION__);
 
-    /** TODO: Add ARM NPU and TA init here */
+#if defined(ARM_NPU)
+
+    int state;
+
+    /* If the platform has timing adapter blocks along with Ethos-U core
+     * block, initialise them here. */
+#if defined(TIMING_ADAPTER_AVAILABLE)
+    int err;
+
+    if (0 != (err = arm_ethosu_timing_adapter_init())) {
+        return err;
+    }
+#endif /* TIMING_ADAPTER_AVAILABLE */
+
+    /* If Arm Ethos-U NPU is to be used, we initialise it here */
+    if (0 != (state = arm_ethosu_npu_init())) {
+        return state;
+    }
+
+#endif /* ARM_NPU */
+
+    /* Print target design info */
+    info("Target system design: %s\n", DESIGN_NAME);
+
     return 0;
 }
 
diff --git a/source/hal/profiles/bare-metal/data_acquisition/data_acq.c b/source/hal/profiles/bare-metal/data_acquisition/data_acq.c
index 7113a24..b7eba2d 100644
--- a/source/hal/profiles/bare-metal/data_acquisition/data_acq.c
+++ b/source/hal/profiles/bare-metal/data_acquisition/data_acq.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,8 +16,8 @@
  */
 #include "data_acq.h"
 
-#include "bsp.h"
 #include "log_macros.h"
+#include "platform_drivers.h"
 #include "uart_stdout.h"
 
 #include <assert.h>
diff --git a/source/hal/profiles/bare-metal/data_presentation/data_psn.c b/source/hal/profiles/bare-metal/data_presentation/data_psn.c
index 474d552..de088d7 100644
--- a/source/hal/profiles/bare-metal/data_presentation/data_psn.c
+++ b/source/hal/profiles/bare-metal/data_presentation/data_psn.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,8 +16,8 @@
  */
 #include "data_psn.h"
 
-#include "bsp.h"
 #include "lcd_img.h"
+#include "platform_drivers.h"
 
 #include <assert.h>
 #include <string.h>
diff --git a/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c b/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c
index bb950c3..6e05f29 100644
--- a/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c
+++ b/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,8 +16,8 @@
  */
 #include "lcd_img.h"
 
-#include "bsp.h"
 #include "log_macros.h"
+#include "platform_drivers.h"
 
 #include <string.h>
 #include <assert.h>
diff --git a/source/hal/profiles/bare-metal/timer/include/platform_timer.h b/source/hal/profiles/bare-metal/timer/include/platform_timer.h
index 6338e0b..dd3934e 100644
--- a/source/hal/profiles/bare-metal/timer/include/platform_timer.h
+++ b/source/hal/profiles/bare-metal/timer/include/platform_timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,7 +17,7 @@
 #ifndef BAREMETAL_TIMER_H
 #define BAREMETAL_TIMER_H
 
-#include "bsp.h"
+#include "platform_drivers.h"
 
 #include <stdint.h>
 #include <time.h>
diff --git a/source/hal/profiles/bare-metal/timer/platform_timer.c b/source/hal/profiles/bare-metal/timer/platform_timer.c
index 11ccf8b..0388198 100644
--- a/source/hal/profiles/bare-metal/timer/platform_timer.c
+++ b/source/hal/profiles/bare-metal/timer/platform_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#include "bsp.h"
 #include "timer.h"
 #include "log_macros.h"
+#include "platform_drivers.h"
 
 #include <assert.h>
 #include <string.h>