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Add initial support for Nordic nRF54L15
This adds initial support for Nordic nRF54L15. GPIO, timers and UART is implemented. Support for GRTC is still to be added.
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‎hw/bsp/nordic_pca10156/boot-nrf54.ld

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x8000
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x40000
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}
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/* The bootloader does not contain an image header */
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_imghdr_size = 0x0;

‎hw/bsp/nordic_pca10156/bsp.yml

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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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bsp.name: "nRF54L15 PDK"
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bsp.url:
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bsp.maker: "Nordic Semiconductor"
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bsp.arch: cortex_m33
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bsp.compiler: "@apache-mynewt-core/compiler/arm-none-eabi-m33"
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bsp.linkerscript: autogenerated
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bsp.downloadscript: "hw/scripts/download.sh"
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bsp.debugscript: "hw/bsp/nordic_pca10156/nordic_pca10156_debug.sh"
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bsp.flash_map:
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areas:
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# System areas.
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FLASH_AREA_BOOTLOADER:
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device: 0
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offset: 0x00000000
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size: 32kB
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FLASH_AREA_IMAGE_0:
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device: 0
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offset: 0x0000c000
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size: 722kB
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FLASH_AREA_IMAGE_1:
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device: 0
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offset: 0x000C0800
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size: 722kB
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FLASH_AREA_IMAGE_SCRATCH:
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device: 0
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offset: 0x00175000
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size: 16kB
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# User areas.
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FLASH_AREA_REBOOT_LOG:
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user_id: 0
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device: 0
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offset: 0x00008000
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size: 16kB
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FLASH_AREA_NFFS:
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user_id: 1
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device: 0
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offset: 0x00179000
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size: 16kB

‎hw/bsp/nordic_pca10156/include/bsp/bsp.h

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef _BSP_H_
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#define _BSP_H_
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#include <inttypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Define special stackos sections */
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#define sec_data_core __attribute__((section(".data.core")))
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#define sec_bss_core __attribute__((section(".bss.core")))
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#define sec_bss_nz_core __attribute__((section(".bss.core.nz")))
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/* More convenient section placement macros. */
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#define bssnz_t sec_bss_nz_core
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extern uint8_t _ram_start;
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#define RAM_SIZE 0x40000
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/* LED pins */
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#define LED_1 (73)
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#define LED_2 (42)
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#define LED_3 (71)
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#define LED_4 (46)
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#define LED_BLINK_PIN (LED_1)
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/* Buttons */
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#define BUTTON_1 (45)
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#define BUTTON_2 (41)
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#define BUTTON_3 (40)
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#define BUTTON_4 (4)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BSP_H_ */

‎hw/bsp/nordic_pca10156/nordic_pca10156_debug.sh

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#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# Called with following variables set:
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# - CORE_PATH is absolute path to @apache-mynewt-core
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# - BSP_PATH is absolute path to hw/bsp/bsp_name
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# - BIN_BASENAME is the path to prefix to target binary,
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# .elf appended to name is the ELF file
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# - FEATURES holds the target features string
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# - EXTRA_JTAG_CMD holds extra parameters to pass to jtag software
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# - RESET set if target should be reset when attaching
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# - NO_GDB set if we should not start gdb to debug
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#
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. $CORE_PATH/hw/scripts/jlink.sh
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FILE_NAME=$BIN_BASENAME.elf
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JLINK_DEV="Cortex-M33"
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jlink_debug
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‎hw/bsp/nordic_pca10156/nrf54.ld

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x00008000, LENGTH = 0x171000
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x40000
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}
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/* This linker script is used for images and thus contains an image header */
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_imghdr_size = 0x20;

‎hw/bsp/nordic_pca10156/pkg.yml

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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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pkg.name: hw/bsp/nordic_pca10156
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pkg.type: bsp
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pkg.description: BSP definition for the Nordic PCA10156 (nRF54L15-PDK)
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pkg.author: "Apache Mynewt <[email protected]>"
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pkg.homepage: "http://mynewt.apache.org/"
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pkg.keywords:
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- nrf54
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- nordic
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- pca10156
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pkg.cflags:
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- '-DNRF54L15_XXAA'
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- '-DNRF_APPLICATION'
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pkg.cflags.HARDFLOAT:
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- -mfloat-abi=hard -mfpu=fpv4-sp-d16
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pkg.deps:
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- "@apache-mynewt-core/hw/scripts"
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- "@apache-mynewt-core/hw/mcu/nordic/nrf54lxx"
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- "@apache-mynewt-core/libc/baselibc"
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- "@apache-mynewt-core/sys/flash_map"
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- "@apache-mynewt-core/boot/startup"
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pkg.deps.SOFT_PWM:
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- "@apache-mynewt-core/hw/drivers/pwm/soft_pwm"

‎hw/bsp/nordic_pca10156/src/hal_bsp.c

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include <assert.h>
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#include <os/mynewt.h>
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#include <nrfx.h>
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#include <flash_map/flash_map.h>
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#include <hal/hal_bsp.h>
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#include <hal/hal_flash.h>
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#include <hal/hal_system.h>
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#include <mcu/nrf54l_hal.h>
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#include <mcu/nrf54l_periph.h>
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#include <bsp/bsp.h>
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/*
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* What memory to include in coredump.
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*/
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static const struct hal_bsp_mem_dump dump_cfg[] = {
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[0] = {
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.hbmd_start = &_ram_start,
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.hbmd_size = RAM_SIZE
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}
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};
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const struct hal_flash *
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hal_bsp_flash_dev(uint8_t id)
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{
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/*
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* Internal flash mapped to id 0.
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*/
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if (id == 0) {
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return &nrf54l_flash_dev;
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}
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return NULL;
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}
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const struct hal_bsp_mem_dump *
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hal_bsp_core_dump(int *area_cnt)
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{
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*area_cnt = sizeof(dump_cfg) / sizeof(dump_cfg[0]);
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return dump_cfg;
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}
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int
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hal_bsp_power_state(int state)
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{
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return 0;
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}
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void
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hal_bsp_init(void)
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{
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/* Make sure system clocks have started */
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hal_system_clock_start();
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/* Create all available nRF54 peripherals */
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nrf54l_periph_create();
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}
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void
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hal_bsp_deinit(void)
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{
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}

‎hw/bsp/nordic_pca10156/src/sbrk.c

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <hal/hal_bsp.h>
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/* put these in the data section so they are not cleared by _start */
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static char *sbrkBase __attribute__ ((section (".data")));
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static char *sbrkLimit __attribute__ ((section (".data")));
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static char *brk __attribute__ ((section (".data")));
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void
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_sbrkInit(char *base, char *limit)
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{
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sbrkBase = base;
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sbrkLimit = limit;
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brk = base;
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}
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void *
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_sbrk(int incr)
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{
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void *prev_brk;
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if (incr < 0) {
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/* Returning memory to the heap. */
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incr = -incr;
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if (brk - incr < sbrkBase) {
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prev_brk = (void *)-1;
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} else {
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prev_brk = brk;
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brk -= incr;
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}
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} else {
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/* Allocating memory from the heap. */
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if (sbrkLimit - brk >= incr) {
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prev_brk = brk;
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brk += incr;
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} else {
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prev_brk = (void *)-1;
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}
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}
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return prev_brk;
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}

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