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/Zephyr-latest/modules/hal_ethos_u/
DKconfig1 # SPDX-FileCopyrightText: <text>Copyright 2021-2022, 2024 Arm Limited and/or its
2 # affiliates <open-source-office@arm.com></text>
3 # SPDX-License-Identifier: Apache-2.0
6 bool "Ethos-U core driver"
10 This option enables the Arm Ethos-U core driver.
13 menu "Arm Ethos-U NPU configuration"
15 prompt "Arm Ethos-U NPU configuration"
18 bool "using Ethos-U55 with 64 macs"
20 bool "using Ethos-U55 with 128 macs"
22 bool "using Ethos-U55 with 256 macs"
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DCMakeLists.txt1 # SPDX-FileCopyrightText: <text>Copyright 2022, 2024 Arm Limited and/or its
2 # affiliates <open-source-office@arm.com></text>
3 # SPDX-License-Identifier: Apache-2.0
9 # Ethos-U driver (err=0, warn=1, info=2, debug=3)
14 … # The Ethos-U driver does not have a corresponding "none" log level. Disable logging instead.
23 add_subdirectory(${ZEPHYR_CURRENT_MODULE_DIR} ethos-u-core-driver)
/Zephyr-latest/samples/modules/tflite-micro/tflm_ethosu/
DREADME.rst1 .. zephyr:code-sample:: tflite-ethosu
2 :name: TensorFlow Lite for Microcontrollers on Arm Ethos-U
4 Run an inference using an optimized TFLite model on Arm Ethos-U NPU.
10 framework and the Arm Ethos-U NPU.
13 `Arm model zoo <https://github.com/ARM-software/ML-zoo>`_. This model has then
15 `Vela compiler <https://git.mlplatform.org/ml/ethos-u/ethos-u-vela.git>`_.
18 where the operators supported by Ethos-U have been replaced by an Ethos-U custom
20 Ethos-U custom operator.
25 Add the tflite-micro module to your West manifest and pull it:
27 .. code-block:: console
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Dsample.yaml2 description: Demonstration of the Arm Ethos-U NPU
3 name: Arm Ethos-U NPU sample
7 - NPU
9 - tflite-micro
10 filter: dt_compat_enabled("arm,ethos-u")
13 - mps3/corstone300/an547
/Zephyr-latest/dts/bindings/arm/
Darm,ethos-u.yaml1 # Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
3 # SPDX-License-Identifier: Apache-2.0
6 The Arm Ethos-U is a micro NPU that enables neural networks to be hardware
7 accelerated on embedded devices. The Ethos-U NPU driver is provided as a
15 compatible: "arm,ethos-u"
26 secure-enable:
28 description: Configure Ethos-U NPU to operate in secure- or non-secure mode
30 privilege-enable:
32 description: Configure Ethos-U NPU to operate in privileged- or non-privileged mode
/Zephyr-latest/drivers/misc/ethos_u/
Dethos_u.c2 * SPDX-FileCopyrightText: <text>Copyright 2021-2022, 2024 Arm Limited and/or its
3 * affiliates <open-source-office@arm.com></text>
4 * SPDX-License-Identifier: Apache-2.0
23 * Re-implementation/Overrides __((weak)) symbol functions from ethosu_driver.c
48 LOG_ERR("Failed to lock mutex with error - %d", status); in ethosu_mutex_lock()
49 return -1; in ethosu_mutex_lock()
85 /* The Ethos-U driver expects the semaphore implementation to never fail except for in ethosu_semaphore_take()
93 if (status != -EAGAIN) { in ethosu_semaphore_take()
94 LOG_ERR("Failed to take semaphore with error - %d", status); in ethosu_semaphore_take()
96 return -1; in ethosu_semaphore_take()
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/Zephyr-latest/boards/arm/mps3/
Dmps3_corstone300_an547.dts2 * Copyright (c) 2018-2021 Linaro Limited
3 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
5 * SPDX-License-Identifier: Apache-2.0
8 /dts-v1/;
10 #include <arm/armv8.1-m.dtsi>
11 #include <zephyr/dt-bindings/i2c/i2c.h>
12 #include <zephyr/dt-bindings/input/input-event-codes.h>
17 compatible = "arm,mps3-an547";
18 #address-cells = <1>;
19 #size-cells = <1>;
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Dmps3_corstone300_an552.dts2 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
4 * SPDX-License-Identifier: Apache-2.0
7 /dts-v1/;
9 #include <arm/armv8.1-m.dtsi>
10 #include <zephyr/dt-bindings/i2c/i2c.h>
11 #include <zephyr/dt-bindings/input/input-event-codes.h>
16 compatible = "arm,mps3-an552";
17 #address-cells = <1>;
18 #size-cells = <1>;
22 zephyr,shell-uart = &uart0;
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Dmps3_corstone300_fvp.dts2 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
4 * SPDX-License-Identifier: Apache-2.0
7 /dts-v1/;
9 #include <arm/armv8.1-m.dtsi>
10 #include <zephyr/dt-bindings/i2c/i2c.h>
11 #include <zephyr/dt-bindings/input/input-event-codes.h>
16 compatible = "arm,mps3-fvp";
17 #address-cells = <1>;
18 #size-cells = <1>;
22 zephyr,shell-uart = &uart0;
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Dmps3_corstone310_an555.dts2 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
4 * SPDX-License-Identifier: Apache-2.0
7 /dts-v1/;
9 #include <arm/armv8.1-m.dtsi>
10 #include <zephyr/dt-bindings/i2c/i2c.h>
11 #include <zephyr/dt-bindings/input/input-event-codes.h>
16 compatible = "arm,mps3-an555";
17 #address-cells = <1>;
18 #size-cells = <1>;
22 zephyr,shell-uart = &uart0;
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Dmps3_corstone310_fvp.dts2 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
4 * SPDX-License-Identifier: Apache-2.0
7 /dts-v1/;
9 #include <arm/armv8.1-m.dtsi>
10 #include <zephyr/dt-bindings/i2c/i2c.h>
11 #include <zephyr/dt-bindings/input/input-event-codes.h>
16 compatible = "arm,mps3-fvp";
17 #address-cells = <1>;
18 #size-cells = <1>;
22 zephyr,shell-uart = &uart0;
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/Zephyr-latest/doc/releases/
Drelease-notes-3.3.rst14 * Introduced :ref:`USB-C <usbc_api>` device stack with PD (power delivery)
17 CMSIS-DSP as the default backend.
30 * CVE-2023-0359: Under embargo until 2023-04-20
32 * CVE-2023-0779: Under embargo until 2023-04-22
66 removed in favor of new :dtcompatible:`zephyr,flash-disk` devicetree binding.
71 * Starting from this release ``zephyr-`` prefixed tags won't be created
82 image states). Use of a truncated hash or non-sha256 hash will still work
88 registration function at boot-up. If applications register this then
93 application code, these will now automatically be registered at boot-up (this
129 This may cause out-of-tree scripts or commands to fail if they have relied
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