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boards: microchip: add SAM E54 Xplained Pro board support
Add initial support for the Microchip SAM E54 Xplained Pro board (ATSAME54-XPRO). Product page: https://www.microchip.com/en-us/development-tool/atsame54-xpro Signed-off-by: Arunprasath P <[email protected]>
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‎boards/microchip/sam/sam_e54_xpro/Kconfig.sam_e54_xpro‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_SAM_E54_XPRO
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select SOC_ATSAME54P20A

‎boards/microchip/sam/sam_e54_xpro/board.cmake‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)

‎boards/microchip/sam/sam_e54_xpro/board.yml‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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board:
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name: sam_e54_xpro
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full_name: SAM E54 Xplained Pro
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vendor: microchip
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socs:
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- name: atsame54p20a

‎boards/microchip/sam/sam_e54_xpro/doc/img/sam_e54_xpro.webp‎

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‎boards/microchip/sam/sam_e54_xpro/doc/index.rst‎

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.. zephyr:board:: sam_e54_xpro
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Overview
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********
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The SAM E54 Xplained Pro evaluation kit is ideal for evaluation and
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prototyping with the SAM E54 Cortex®-M4F processor-based
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microcontrollers. The kit includes Microchip’s Embedded Debugger (EDBG),
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which provides a full debug interface without the need for additional
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hardware.
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Hardware
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********
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- ATSAME54P20A ARM Cortex-M4F processor at 120 MHz
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- 32.768 kHz crystal oscillator
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- 12 MHz crystal oscillator
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- 1024 KiB flash memory and 256 KiB of RAM
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- One yellow user LED
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- One mechanical user push button
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- One reset button
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- On-board USB based EDBG unit with serial console
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- One QTouch® PTC button
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- 32 MiB QSPI Flash
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- ATECC508 CryptoAuthentication™ device
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- AT24MAC402 serial EEPROM with EUI-48™ MAC address
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- Ethernet
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- RJ45 connector with built-in magnetics
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- KSZ8091RNA PHY
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- 10Base-T/100Base-TX IEE 802.3 compliant Ethernet transceiver
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- USB interface, host, and device
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- SD/SDIO card connector
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Supported Features
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==================
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.. zephyr:board-supported-hw::
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Connections and IOs
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===================
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The `SAM E54 Xplained Pro User Guide`_ has detailed information about board connections.
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Programming and Debugging
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*************************
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The SAM E54 Xplained Pro features an on-board Microchip Embedded Debugger (EDBG),
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which provides both a standard debug interface and a virtual serial port used as the Zephyr console.
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SERCOM2 of the ATSAME54P20A MCU is configured as a USART for console output.
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Follow these steps to program and debug the board:
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==================================================
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#. Connect the board to your host machine using the debug USB port.
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#. Open a terminal and start a serial console on the corresponding port.
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On Linux, this is typically ``/dev/ttyACM0``. For example:
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.. code-block:: console
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$ minicom -D /dev/ttyACM0 -o
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The -o option tells minicom not to send the modem initialization
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string. Connection should be configured as follows:
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- Speed: 115200
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- Data: 8 bits
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- Parity: None
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- Stop bits: 1
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#. Build and flash the Zephyr ``hello_world`` sample application:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: sam_e54_xpro
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:goals: flash
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:compact:
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#. Observe output on the terminal. If everything is set up correctly, you should see:
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.. code-block:: console
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Hello World! same_54_xpro
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References
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**********
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SAM E54 Product Page:
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https://www.microchip.com/en-us/product/ATSAME54P20A
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SAM E54 Xplained Pro evaluation kit Page:
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https://www.microchip.com/en-us/development-tool/ATSAME54-XPRO
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.. _SAM E54 Xplained Pro User Guide:
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https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/UserGuides/70005321A.pdf

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro-pinctrl.dtsi‎

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <dt-bindings/sam/sam_d5x_e5x/atsame54/atsame54p20a-pinctrl.h>
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&pinctrl {
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sercom2_uart_default: sercom2_uart_default {
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group1 {
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pinmux = <PB25D_SERCOM2_PAD0>,
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<PB24D_SERCOM2_PAD1>;
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};
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};
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};

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.dts‎

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <microchip/sam/sam_d5x_e5x/atsame54/atsame54p20a.dtsi>
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#include "sam_e54_xpro-pinctrl.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "SAM E54 Xplained Pro";
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compatible = "same54,xpro", "microchip,atsame54p20a", "microchip,same54";
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chosen {
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zephyr,console = &sercom2;
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zephyr,shell-uart = &sercom2;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/*
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* The final 16 KiB is reserved for the application.
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@fc000 {
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label = "storage";
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reg = <0x000fc000 0x00004000>;
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};
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};
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};
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&cpu0 {
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clock-frequency = <48000000>;
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};
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&sercom2 {
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status = "okay";
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compatible = "microchip,sercom-g1-uart";
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#address-cells = <1>;
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#size-cells = <0>;
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current-speed = <115200>;
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data-bits = <8>;
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parity = "none";
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stop-bits = "1";
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rxpo = <1>;
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txpo = <0>;
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pinctrl-0 = <&sercom2_uart_default>;
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pinctrl-names = "default";
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};

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.yaml‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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identifier: sam_e54_xpro
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name: SAM E54 Xplained Pro
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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flash: 1024
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ram: 256
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supported:
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- pinctrl
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- shell
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- uart
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vendor: microchip

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro_defconfig‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_BUILD_OUTPUT_HEX=y
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CONFIG_ARM_MPU=y
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CONFIG_HW_STACK_PROTECTION=y
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CONFIG_CONSOLE=y
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CONFIG_SERIAL=y
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CONFIG_UART_CONSOLE=y

‎boards/microchip/sam/sam_e54_xpro/support/openocd.cfg‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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source [find interface/cmsis-dap.cfg]
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transport select swd
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# chip name
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set CHIPNAME same54p20a
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set ENDIAN little
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set CPUTAPID 0x0bc11477
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source [find target/atsame5x.cfg]
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reset_config none
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cortex_m reset_config sysresetreq
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$_TARGETNAME configure -event gdb-attach {
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echo "Debugger attaching: halting execution"
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reset halt
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gdb_breakpoint_override hard
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}
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$_TARGETNAME configure -event gdb-detach {
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echo "Debugger detaching: resuming execution"
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resume
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}

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