Repository: incubator-mynewt-core Updated Branches: refs/heads/develop 6d8a3a76f -> 2b268fbeb
MYNEWT-288: add nrf52dk support Project: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/commit/2b268fbe Tree: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/tree/2b268fbe Diff: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/diff/2b268fbe Branch: refs/heads/develop Commit: 2b268fbebeb3e742620188d053b0656f80776ead Parents: 6d8a3a7 Author: William San Filippo <wi...@runtime.io> Authored: Fri Apr 22 17:47:55 2016 -0700 Committer: William San Filippo <wi...@runtime.io> Committed: Fri Apr 22 17:47:55 2016 -0700 ---------------------------------------------------------------------- hw/bsp/nrf52dk/boot-nrf52dk.ld | 191 +++++++++++++ hw/bsp/nrf52dk/include/bsp/bsp.h | 49 ++++ hw/bsp/nrf52dk/include/bsp/bsp_sysid.h | 37 +++ hw/bsp/nrf52dk/include/bsp/cmsis_nvic.h | 29 ++ hw/bsp/nrf52dk/nrf52dk.ld | 200 +++++++++++++ hw/bsp/nrf52dk/nrf52dk_debug.sh | 47 +++ hw/bsp/nrf52dk/nrf52dk_download.sh | 94 ++++++ hw/bsp/nrf52dk/nrf52dk_no_boot.ld | 191 +++++++++++++ hw/bsp/nrf52dk/pkg.yml | 40 +++ .../src/arch/cortex_m4/gcc_startup_nrf52.s | 284 +++++++++++++++++++ hw/bsp/nrf52dk/src/hal_bsp.c | 46 +++ hw/bsp/nrf52dk/src/libc_stubs.c | 84 ++++++ hw/bsp/nrf52dk/src/os_bsp.c | 78 +++++ hw/bsp/nrf52dk/src/sbrk.c | 54 ++++ hw/bsp/nrf52dk/src/system_nrf52.c | 183 ++++++++++++ 15 files changed, 1607 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/boot-nrf52dk.ld ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/boot-nrf52dk.ld b/hw/bsp/nrf52dk/boot-nrf52dk.ld new file mode 100755 index 0000000..8c47d2e --- /dev/null +++ b/hw/bsp/nrf52dk/boot-nrf52dk.ld @@ -0,0 +1,191 @@ +/* Linker script for Nordic Semiconductor nRF5 devices + * + * Version: Sourcery G++ 4.5-1 + * Support: https://support.codesourcery.com/GNUToolchain/ + * + * Copyright (c) 2007, 2008, 2009, 2010 CodeSourcery, Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x8000 + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x10000 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __HeapBase + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __bssnz_start__ + * __bssnz_end__ + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + __isr_vector_start = .; + KEEP(*(.isr_vector)) + __isr_vector_end = .; + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH + + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + . = ALIGN(4); + } > FLASH + __exidx_end = .; + + __etext = .; + + .vector_relocation : + { + . = ALIGN(4); + __vector_tbl_reloc__ = .; + . = . + (__isr_vector_end - __isr_vector_start); + . = ALIGN(4); + } > RAM + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + *(.preinit_array) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + *(SORT(.init_array.*)) + *(.init_array) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM + + /* Non-zeroed BSS. This section is similar to BSS, with the following + * caveat: + * 1. It does not get zeroed at init-time. + */ + .bssnz : + { + . = ALIGN(4); + __bssnz_start__ = .; + *(.bss.core.nz*) + . = ALIGN(4); + __bssnz_end__ = .; + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + /* Heap starts after BSS */ + __HeapBase = .; + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Top of head is the bottom of the stack */ + __HeapLimit = __StackLimit; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__HeapBase <= __HeapLimit, "region RAM overflowed with stack") +} + http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/include/bsp/bsp.h ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/include/bsp/bsp.h b/hw/bsp/nrf52dk/include/bsp/bsp.h new file mode 100644 index 0000000..d2a32c5 --- /dev/null +++ b/hw/bsp/nrf52dk/include/bsp/bsp.h @@ -0,0 +1,49 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 H_BSP_H +#define H_BSP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Define special stackos sections */ +#define sec_data_core __attribute__((section(".data.core"))) +#define sec_bss_core __attribute__((section(".bss.core"))) +#define sec_bss_nz_core __attribute__((section(".bss.core.nz"))) + +/* More convenient section placement macros. */ +#define bssnz_t sec_bss_nz_core + +/* LED pins */ +#define LED_BLINK_PIN (17) + +/* UART info */ +#define CONSOLE_UART 0 + +int bsp_imgr_current_slot(void); + +#define NFFS_AREA_MAX (8) + +#ifdef __cplusplus +} +#endif + +#endif /* H_BSP_H */ http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/include/bsp/bsp_sysid.h ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/include/bsp/bsp_sysid.h b/hw/bsp/nrf52dk/include/bsp/bsp_sysid.h new file mode 100644 index 0000000..63959e5 --- /dev/null +++ b/hw/bsp/nrf52dk/include/bsp/bsp_sysid.h @@ -0,0 +1,37 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 BSP_SYSID_H +#define BSP_SYSID_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* stub until this BSP gets new HAL */ +enum system_device_id +{ + RESERVED, +}; + +#ifdef __cplusplus +} +#endif + +#endif /* BSP_SYSID_H */ + http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/include/bsp/cmsis_nvic.h ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/include/bsp/cmsis_nvic.h b/hw/bsp/nrf52dk/include/bsp/cmsis_nvic.h new file mode 100644 index 0000000..6f07f11 --- /dev/null +++ b/hw/bsp/nrf52dk/include/bsp/cmsis_nvic.h @@ -0,0 +1,29 @@ +/* mbed Microcontroller Library - cmsis_nvic + * Copyright (c) 2009-2011 ARM Limited. All rights reserved. + * + * CMSIS-style functionality to support dynamic vectors + */ + +#ifndef MBED_CMSIS_NVIC_H +#define MBED_CMSIS_NVIC_H + +#include <stdint.h> + +#define NVIC_NUM_VECTORS (16 + 38) // CORE + MCU Peripherals +#define NVIC_USER_IRQ_OFFSET 16 + +#include "mcu/nrf52.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void NVIC_Relocate(void); +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector); +uint32_t NVIC_GetVector(IRQn_Type IRQn); + +#ifdef __cplusplus +} +#endif + +#endif http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/nrf52dk.ld ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/nrf52dk.ld b/hw/bsp/nrf52dk/nrf52dk.ld new file mode 100755 index 0000000..c019b63 --- /dev/null +++ b/hw/bsp/nrf52dk/nrf52dk.ld @@ -0,0 +1,200 @@ +/* Linker script for Nordic Semiconductor nRF5 devices + * + * Version: Sourcery G++ 4.5-1 + * Support: https://support.codesourcery.com/GNUToolchain/ + * + * Copyright (c) 2007, 2008, 2009, 2010 CodeSourcery, Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00008000, LENGTH = 0x3a000 + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x10000 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __HeapBase + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __bssnz_start__ + * __bssnz_end__ + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .imghdr (NOLOAD): + { + . = . + 0x20; + } > FLASH + + .text : + { + __isr_vector_start = .; + KEEP(*(.isr_vector)) + __isr_vector_end = .; + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH + + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + . = ALIGN(4); + } > FLASH + __exidx_end = .; + + __etext = .; + + .vector_relocation : + { + . = ALIGN(4); + __vector_tbl_reloc__ = .; + . = . + (__isr_vector_end - __isr_vector_start); + . = ALIGN(4); + } > RAM + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + *(.preinit_array) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + *(SORT(.init_array.*)) + *(.init_array) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM + + /* Non-zeroed BSS. This section is similar to BSS, with the following two + * caveats: + * 1. It does not get zeroed at init-time. + * 2. You cannot use it as source memory for EasyDMA. + * + * This section exists because of a hardware defect; see errata 33 and 34 + * in nrf52 errata sheet. + */ + .bssnz : + { + . = ALIGN(4); + __bssnz_start__ = .; + *(.bss.core.nz*) + . = ALIGN(4); + __bssnz_end__ = .; + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + /* Heap starts after BSS */ + __HeapBase = .; + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Top of head is the bottom of the stack */ + __HeapLimit = __StackLimit; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__HeapBase <= __HeapLimit, "region RAM overflowed with stack") +} + http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/nrf52dk_debug.sh ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/nrf52dk_debug.sh b/hw/bsp/nrf52dk/nrf52dk_debug.sh new file mode 100755 index 0000000..469bbaa --- /dev/null +++ b/hw/bsp/nrf52dk/nrf52dk_debug.sh @@ -0,0 +1,47 @@ +#!/bin/sh +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. +# +# Called: $0 <bsp_directory_path> <binary> [features...] +# - bsp_directory_path is absolute path to hw/bsp/bsp_name +# - binary is the path to prefix to target binary, .elf.bin appended to this +# name is the raw binary format of the binary. +# - features are the target features. So you can have e.g. different +# flash offset for bootloader 'feature' +# +# +if [ $# -lt 1 ]; then + echo "Need binary to download" + exit 1 +fi + +FILE_NAME=$2.elf +GDB_CMD_FILE=.gdb_cmds + +echo "Debugging" $FILE_NAME + +# Monitor mode. Background process gets it's own process group. +set -m +JLinkGDBServer -device nRF52 -speed 4000 -if SWD -port 3333 -singlerun > /dev/null & +set +m + +echo "target remote localhost:3333" > $GDB_CMD_FILE + +arm-none-eabi-gdb -x $GDB_CMD_FILE $FILE_NAME + +rm $GDB_CMD_FILE + http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/nrf52dk_download.sh ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/nrf52dk_download.sh b/hw/bsp/nrf52dk/nrf52dk_download.sh new file mode 100755 index 0000000..028a5aa --- /dev/null +++ b/hw/bsp/nrf52dk/nrf52dk_download.sh @@ -0,0 +1,94 @@ +#!/bin/bash +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +# Called: $0 <bsp_directory_path> <binary> [features...] +# - bsp_directory_path is absolute path to hw/bsp/bsp_name +# - binary is the path to prefix to target binary, .elf.bin appended to this +# name is the raw binary format of the binary. +# - features are the target features. So you can have e.g. different +# flash offset for bootloader 'feature' +# +# + +if [ $# -lt 2 ]; then + echo "Need binary to download" + exit 1 +fi + +IS_BOOTLOADER=0 +BASENAME=$2 +GDB_CMD_FILE=.gdb_cmds + +# Look for 'bootloader' from 3rd arg onwards +shift +shift +while [ $# -gt 0 ]; do + if [ $1 = "bootloader" ]; then + IS_BOOTLOADER=1 + fi + shift +done + +if [ $IS_BOOTLOADER -eq 1 ]; then + FLASH_OFFSET=0x0 + FILE_NAME=$BASENAME.elf.bin +else + FLASH_OFFSET=0x8000 + FILE_NAME=$BASENAME.img +fi + +echo "Downloading" $FILE_NAME "to" $FLASH_OFFSET + +# XXX for some reason JLinkExe overwrites flash at offset 0 when +# downloading somewhere in the flash. So need to figure out how to tell it +# not to do that, or report failure if gdb fails to write this file +# +echo "shell /bin/sh -c 'trap \"\" 2;JLinkGDBServer -device nRF52 -speed 4000 -if SWD -port 3333 -singlerun' & " > $GDB_CMD_FILE +echo "target remote localhost:3333" >> $GDB_CMD_FILE +echo "restore $FILE_NAME binary $FLASH_OFFSET" >> $GDB_CMD_FILE +echo "quit" >> $GDB_CMD_FILE + +msgs=`arm-none-eabi-gdb -x $GDB_CMD_FILE 2>&1` +echo $msgs > .gdb_out + +rm $GDB_CMD_FILE + +# Echo output from script run, so newt can show it if things go wrong. +echo $msgs + +error=`echo $msgs | grep error` +if [ -n "$error" ]; then + exit 1 +fi + +error=`echo $msgs | grep -i failed` +if [ -n "$error" ]; then + exit 1 +fi + +error=`echo $msgs | grep -i "unknown / supported"` +if [ -n "$error" ]; then + exit 1 +fi + +error=`echo $msgs | grep -i "not found"` +if [ -n "$error" ]; then + exit 1 +fi + +exit 0 http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/nrf52dk_no_boot.ld ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/nrf52dk_no_boot.ld b/hw/bsp/nrf52dk/nrf52dk_no_boot.ld new file mode 100755 index 0000000..e2fb5a8 --- /dev/null +++ b/hw/bsp/nrf52dk/nrf52dk_no_boot.ld @@ -0,0 +1,191 @@ +/* Linker script for Nordic Semiconductor nRF5 devices + * + * Version: Sourcery G++ 4.5-1 + * Support: https://support.codesourcery.com/GNUToolchain/ + * + * Copyright (c) 2007, 2008, 2009, 2010 CodeSourcery, Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x80000 + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x10000 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __HeapBase + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __bssnz_start__ + * __bssnz_end__ + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + __isr_vector_start = .; + KEEP(*(.isr_vector)) + __isr_vector_end = .; + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH + + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + . = ALIGN(4); + } > FLASH + __exidx_end = .; + + __etext = .; + + .vector_relocation : + { + . = ALIGN(4); + __vector_tbl_reloc__ = .; + . = . + (__isr_vector_end - __isr_vector_start); + . = ALIGN(4); + } > RAM + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + *(.preinit_array) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + *(SORT(.init_array.*)) + *(.init_array) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM + + /* Non-zeroed BSS. This section is similar to BSS, with the following + * caveat: + * 1. It does not get zeroed at init-time. + */ + .bssnz : + { + . = ALIGN(4); + __bssnz_start__ = .; + *(.bss.core.nz*) + . = ALIGN(4); + __bssnz_end__ = .; + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + /* Heap starts after BSS */ + __HeapBase = .; + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Top of head is the bottom of the stack */ + __HeapLimit = __StackLimit; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__HeapBase <= __HeapLimit, "region RAM overflowed with stack") +} + http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/pkg.yml ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/pkg.yml b/hw/bsp/nrf52dk/pkg.yml new file mode 100644 index 0000000..617cea7 --- /dev/null +++ b/hw/bsp/nrf52dk/pkg.yml @@ -0,0 +1,40 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. +# + +pkg.name: hw/bsp/nrf52dk +pkg.type: bsp +pkg.description: BSP definition for the Nordic nRF52 Development Kit (PCA 10040). +pkg.author: "Apache Mynewt <d...@mynewt.incubator.apache.org>" +pkg.homepage: "http://mynewt.apache.org/" +pkg.keywords: + - nrf52 + - nrf52dk + +pkg.arch: cortex_m4 +pkg.compiler: compiler/arm-none-eabi-m4 +pkg.linkerscript: "nrf52dk.ld" +pkg.linkerscript.bootloader.OVERWRITE: "boot-nrf52dk.ld" +pkg.downloadscript: nrf52dk_download.sh +pkg.debugscript: nrf52dk_debug.sh +pkg.cflags: -DNRF52 +pkg.deps: + - hw/mcu/nordic/nrf52xxx + - libs/baselibc +pkg.deps.BLE_DEVICE: + - net/nimble/drivers/nrf52 http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/arch/cortex_m4/gcc_startup_nrf52.s ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/arch/cortex_m4/gcc_startup_nrf52.s b/hw/bsp/nrf52dk/src/arch/cortex_m4/gcc_startup_nrf52.s new file mode 100755 index 0000000..8bdf2f6 --- /dev/null +++ b/hw/bsp/nrf52dk/src/arch/cortex_m4/gcc_startup_nrf52.s @@ -0,0 +1,284 @@ +/* +Copyright (c) 2015, Nordic Semiconductor ASA +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of Nordic Semiconductor ASA nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* +NOTE: Template files (including this one) are application specific and therefore +expected to be copied into the application project folder prior to its use! +*/ + + .syntax unified + .arch armv7-m + + .section .stack + .align 3 + .equ Stack_Size, 432 + .globl __StackTop + .globl __StackLimit +__StackLimit: + .space Stack_Size + .size __StackLimit, . - __StackLimit +__StackTop: + .size __StackTop, . - __StackTop + + .section .heap + .align 3 +#ifdef __HEAP_SIZE + .equ Heap_Size, __HEAP_SIZE +#else + .equ Heap_Size, 0 +#endif + .globl __HeapBase + .globl __HeapLimit +__HeapBase: + .if Heap_Size + .space Heap_Size + .endif + .size __HeapBase, . - __HeapBase +__HeapLimit: + .size __HeapLimit, . - __HeapLimit + + .section .isr_vector + .align 2 + .globl __isr_vector +__isr_vector: + .long __StackTop /* Top of Stack */ + .long Reset_Handler /* Reset Handler */ + .long NMI_Handler /* NMI Handler */ + .long HardFault_Handler /* Hard Fault Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long SVC_Handler /* SVCall Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long PendSV_Handler /* PendSV Handler */ + .long SysTick_Handler /* SysTick Handler */ + + /* External Interrupts */ + .long POWER_CLOCK_IRQHandler + .long RADIO_IRQHandler + .long UARTE0_UART0_IRQHandler + .long SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler + .long SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler + .long NFCT_IRQHandler + .long GPIOTE_IRQHandler + .long SAADC_IRQHandler + .long TIMER0_IRQHandler + .long TIMER1_IRQHandler + .long TIMER2_IRQHandler + .long RTC0_IRQHandler + .long TEMP_IRQHandler + .long RNG_IRQHandler + .long ECB_IRQHandler + .long CCM_AAR_IRQHandler + .long WDT_IRQHandler + .long RTC1_IRQHandler + .long QDEC_IRQHandler + .long COMP_LPCOMP_IRQHandler + .long SWI0_EGU0_IRQHandler + .long SWI1_EGU1_IRQHandler + .long SWI2_EGU2_IRQHandler + .long SWI3_EGU3_IRQHandler + .long SWI4_EGU4_IRQHandler + .long SWI5_EGU5_IRQHandler + .long TIMER3_IRQHandler + .long TIMER4_IRQHandler + .long PWM0_IRQHandler + .long PDM_IRQHandler + .long 0 /*Reserved */ + .long 0 /*Reserved */ + .long MWU_IRQHandler + .long PWM1_IRQHandler + .long PWM2_IRQHandler + .long SPIM2_SPIS2_SPI2_IRQHandler + .long RTC2_IRQHandler + .long I2S_IRQHandler + + .size __isr_vector, . - __isr_vector + +/* Reset Handler */ + + .text + .thumb + .thumb_func + .align 1 + .globl Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + .fnstart + + +/* Loop to copy data from read only memory to RAM. The ranges + * of copy from/to are specified by following symbols evaluated in + * linker script. + * __etext: End of code section, i.e., begin of data sections to copy from. + * __data_start__/__data_end__: RAM address range that data should be + * copied to. Both must be aligned to 4 bytes boundary. */ + + ldr r1, =__etext + ldr r2, =__data_start__ + ldr r3, =__data_end__ + + subs r3, r2 + ble .LC0 + +.LC1: + subs r3, 4 + ldr r0, [r1,r3] + str r0, [r2,r3] + bgt .LC1 +.LC0: + + LDR R0, =SystemInit + BLX R0 + LDR R0, =_start + BX R0 + + .pool + .cantunwind + .fnend + .size Reset_Handler,.-Reset_Handler + + .section ".text" + + +/* Dummy Exception Handlers (infinite loops which can be modified) */ + + .weak NMI_Handler + .type NMI_Handler, %function +NMI_Handler: + B . + .size NMI_Handler, . - NMI_Handler + + + .weak HardFault_Handler + .type HardFault_Handler, %function +HardFault_Handler: + B . + .size HardFault_Handler, . - HardFault_Handler + + + .weak MemoryManagement_Handler + .type MemoryManagement_Handler, %function +MemoryManagement_Handler: + B . + .size MemoryManagement_Handler, . - MemoryManagement_Handler + + + .weak BusFault_Handler + .type BusFault_Handler, %function +BusFault_Handler: + B . + .size BusFault_Handler, . - BusFault_Handler + + + .weak UsageFault_Handler + .type UsageFault_Handler, %function +UsageFault_Handler: + B . + .size UsageFault_Handler, . - UsageFault_Handler + + + .weak SVC_Handler + .type SVC_Handler, %function +SVC_Handler: + B . + .size SVC_Handler, . - SVC_Handler + + + .weak PendSV_Handler + .type PendSV_Handler, %function +PendSV_Handler: + B . + .size PendSV_Handler, . - PendSV_Handler + + + .weak SysTick_Handler + .type SysTick_Handler, %function +SysTick_Handler: + B . + .size SysTick_Handler, . - SysTick_Handler + + +/* IRQ Handlers */ + + .globl Default_Handler + .type Default_Handler, %function +Default_Handler: + B . + .size Default_Handler, . - Default_Handler + + .macro IRQ handler + .weak \handler + .set \handler, Default_Handler + .endm + + IRQ POWER_CLOCK_IRQHandler + IRQ RADIO_IRQHandler + IRQ UARTE0_UART0_IRQHandler + IRQ SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler + IRQ SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler + IRQ NFCT_IRQHandler + IRQ GPIOTE_IRQHandler + IRQ SAADC_IRQHandler + IRQ TIMER0_IRQHandler + IRQ TIMER1_IRQHandler + IRQ TIMER2_IRQHandler + IRQ RTC0_IRQHandler + IRQ TEMP_IRQHandler + IRQ RNG_IRQHandler + IRQ ECB_IRQHandler + IRQ CCM_AAR_IRQHandler + IRQ WDT_IRQHandler + IRQ RTC1_IRQHandler + IRQ QDEC_IRQHandler + IRQ COMP_LPCOMP_IRQHandler + IRQ SWI0_EGU0_IRQHandler + IRQ SWI1_EGU1_IRQHandler + IRQ SWI2_EGU2_IRQHandler + IRQ SWI3_EGU3_IRQHandler + IRQ SWI4_EGU4_IRQHandler + IRQ SWI5_EGU5_IRQHandler + IRQ TIMER3_IRQHandler + IRQ TIMER4_IRQHandler + IRQ PWM0_IRQHandler + IRQ PDM_IRQHandler + IRQ MWU_IRQHandler + IRQ PWM1_IRQHandler + IRQ PWM2_IRQHandler + IRQ SPIM2_SPIS2_SPI2_IRQHandler + IRQ RTC2_IRQHandler + IRQ I2S_IRQHandler + + .end http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/hal_bsp.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/hal_bsp.c b/hw/bsp/nrf52dk/src/hal_bsp.c new file mode 100644 index 0000000..0b04610 --- /dev/null +++ b/hw/bsp/nrf52dk/src/hal_bsp.c @@ -0,0 +1,46 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <stdint.h> +#include <stddef.h> +#include "mcu/nrf52_hal.h" + +static const struct nrf52_uart_cfg uart_cfg = { + .suc_pin_tx = 6, + .suc_pin_rx = 8, + .suc_pin_rts = 5, + .suc_pin_cts = 7 +}; + +const struct nrf52_uart_cfg * +bsp_uart_config(void) +{ + return &uart_cfg; +} + +const struct hal_flash * +bsp_flash_dev(uint8_t id) +{ + /* + * Internal flash mapped to id 0. + */ + if (id != 0) { + return NULL; + } + return &nrf52k_flash_dev; +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/libc_stubs.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/libc_stubs.c b/hw/bsp/nrf52dk/src/libc_stubs.c new file mode 100644 index 0000000..84f855e --- /dev/null +++ b/hw/bsp/nrf52dk/src/libc_stubs.c @@ -0,0 +1,84 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <hal/hal_system.h> + +void * _sbrk(int c); +int _close(int fd); +int _fstat(int fd, void *s); +void _exit(int s); +int _kill(int pid, int sig); +int _write(int fd, void *b, int nb); +int _isatty(int c); +int _lseek(int fd, int off, int w); +int _read(int fd, void *b, int nb); +int _getpid(void); + +int +_close(int fd) +{ + return -1; +} + +int +_fstat(int fd, void *s) +{ + return -1; +} + + +void +_exit(int s) +{ + system_reset(); +} + +int +_kill(int pid, int sig) +{ + return -1; +} + +int +_write(int fd, void *b, int nb) +{ + return -1; +} + +int +_isatty(int c) +{ + return -1; +} + +int +_lseek(int fd, int off, int w) +{ + return -1; +} + +int +_read(int fd, void *b, int nb) +{ + return -1; +} + +int +_getpid(void) { + return -1; +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/os_bsp.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/os_bsp.c b/hw/bsp/nrf52dk/src/os_bsp.c new file mode 100644 index 0000000..c05b208 --- /dev/null +++ b/hw/bsp/nrf52dk/src/os_bsp.c @@ -0,0 +1,78 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <hal/flash_map.h> + +static struct flash_area bsp_flash_areas[] = { + [FLASH_AREA_BOOTLOADER] = { + .fa_flash_id = 0, /* internal flash */ + .fa_off = 0x00000000, /* beginning */ + .fa_size = (32 * 1024) + }, + /* 2*16K and 1*64K sectors here */ + [FLASH_AREA_IMAGE_0] = { + .fa_flash_id = 0, + .fa_off = 0x00008000, + .fa_size = (232 * 1024) + }, + [FLASH_AREA_IMAGE_1] = { + .fa_flash_id = 0, + .fa_off = 0x00042000, + .fa_size = (232 * 1024) + }, + [FLASH_AREA_IMAGE_SCRATCH] = { + .fa_flash_id = 0, + .fa_off = 0x0007c000, + .fa_size = (4 * 1024) + }, + [FLASH_AREA_NFFS] = { + .fa_flash_id = 0, + .fa_off = 0x0007d000, + .fa_size = (12 * 1024) + } +}; + +void *_sbrk(int incr); +void _close(int fd); + +/* + * Returns the flash map slot where the currently active image is located. + * If executing from internal flash from fixed location, that slot would + * be easy to find. + * If images are in external flash, and copied to RAM for execution, then + * this routine would have to figure out which one of those slots is being + * used. + */ +int +bsp_imgr_current_slot(void) +{ + return FLASH_AREA_IMAGE_0; +} + +void +os_bsp_init(void) +{ + /* + * XXX this reference is here to keep this function in. + */ + _sbrk(0); + _close(0); + + flash_area_init(bsp_flash_areas, + sizeof(bsp_flash_areas) / sizeof(bsp_flash_areas[0])); +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/sbrk.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/sbrk.c b/hw/bsp/nrf52dk/src/sbrk.c new file mode 100644 index 0000000..0fd7a41 --- /dev/null +++ b/hw/bsp/nrf52dk/src/sbrk.c @@ -0,0 +1,54 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <errno.h> + +extern char __HeapBase; +extern char __HeapLimit; + +static char *brk = &__HeapBase; + +void * +_sbrk(int incr) +{ + void *prev_brk; + + if (incr < 0) { + /* Returning memory to the heap. */ + incr = -incr; + if (brk - incr < &__HeapBase) { + prev_brk = (void *)-1; + errno = EINVAL; + } else { + prev_brk = brk; + brk -= incr; + } + } else { + /* Allocating memory from the heap. */ + if (&__HeapLimit - brk >= incr) { + prev_brk = brk; + brk += incr; + } else { + prev_brk = (void *)-1; + errno = ENOMEM; + } + } + + return prev_brk; +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/2b268fbe/hw/bsp/nrf52dk/src/system_nrf52.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf52dk/src/system_nrf52.c b/hw/bsp/nrf52dk/src/system_nrf52.c new file mode 100644 index 0000000..5a76c42 --- /dev/null +++ b/hw/bsp/nrf52dk/src/system_nrf52.c @@ -0,0 +1,183 @@ +/* Copyright (c) 2015, Nordic Semiconductor ASA + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * * Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <stdint.h> +#include <stdbool.h> +#include "bsp/cmsis_nvic.h" +#include "mcu/nrf.h" +#include "mcu/system_nrf52.h" + +/*lint ++flb "Enter library region" */ + +#define __SYSTEM_CLOCK_16M (16000000UL) +#define __SYSTEM_CLOCK_64M (64000000UL) + +static bool ftpan_32(void); +static bool ftpan_37(void); +static bool ftpan_36(void); + + +#if defined ( __CC_ARM ) + uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK_64M; +#elif defined ( __ICCARM__ ) + __root uint32_t SystemCoreClock = __SYSTEM_CLOCK_64M; +#elif defined ( __GNUC__ ) + uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK_64M; +#endif + +void SystemCoreClockUpdate(void) +{ + SystemCoreClock = __SYSTEM_CLOCK_64M; +} + +void SystemInit(void) +{ + /* Workaround for FTPAN-32 "DIF: Debug session automatically enables TracePort pins" found at Product Anomaly document + for your device located at https://www.nordicsemi.com/ */ + if (ftpan_32()){ + CoreDebug->DEMCR &= ~CoreDebug_DEMCR_TRCENA_Msk; + } + + /* Workaround for FTPAN-37 "AMLI: EasyDMA is slow with Radio, ECB, AAR and CCM." found at Product Anomaly document + for your device located at https://www.nordicsemi.com/ */ + if (ftpan_37()){ + *(volatile uint32_t *)0x400005A0 = 0x3; + } + + /* Workaround for FTPAN-36 "CLOCK: Some registers are not reset when expected." found at Product Anomaly document + for your device located at https://www.nordicsemi.com/ */ + if (ftpan_36()){ + NRF_CLOCK->EVENTS_DONE = 0; + NRF_CLOCK->EVENTS_CTTO = 0; + } + + /* Enable the FPU if the compiler used floating point unit instructions. __FPU_USED is a MACRO defined by the + * compiler. Since the FPU consumes energy, remember to disable FPU use in the compiler if floating point unit + * operations are not used in your code. */ + #if (__FPU_USED == 1) + SCB->CPACR |= (3UL << 20) | (3UL << 22); + __DSB(); + __ISB(); + #endif + + /* Configure NFCT pins as GPIOs if NFCT is not to be used in your code. If CONFIG_NFCT_PINS_AS_GPIOS is not defined, + two GPIOs (see Product Specification to see which ones) will be reserved for NFC and will not be available as + normal GPIOs. */ + #if defined (CONFIG_NFCT_PINS_AS_GPIOS) + if ((NRF_UICR->NFCPINS & UICR_NFCPINS_PROTECT_Msk) == (UICR_NFCPINS_PROTECT_NFC << UICR_NFCPINS_PROTECT_Pos)){ + NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NRF_UICR->NFCPINS &= ~UICR_NFCPINS_PROTECT_Msk; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NVIC_SystemReset(); + } + #endif + + /* Configure GPIO pads as pPin Reset pin if Pin Reset capabilities desired. If CONFIG_GPIO_AS_PINRESET is not + defined, pin reset will not be available. One GPIO (see Product Specification to see which one) will then be + reserved for PinReset and not available as normal GPIO. */ + #if defined (CONFIG_GPIO_AS_PINRESET) + if (((NRF_UICR->PSELRESET[0] & UICR_PSELRESET_CONNECT_Msk) != (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos)) || + ((NRF_UICR->PSELRESET[0] & UICR_PSELRESET_CONNECT_Msk) != (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos))){ + NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NRF_UICR->PSELRESET[0] = 21; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NRF_UICR->PSELRESET[1] = 21; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos; + while (NRF_NVMC->READY == NVMC_READY_READY_Busy){} + NVIC_SystemReset(); + } + #endif + + /* Enable SWO trace functionality. If ENABLE_SWO is not defined, SWO pin will be used as GPIO (see Product + Specification to see which one). */ + #if defined (ENABLE_SWO) + CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk; + NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Serial << CLOCK_TRACECONFIG_TRACEMUX_Pos; + #endif + + /* Enable Trace functionality. If ENABLE_TRACE is not defined, TRACE pins will be used as GPIOs (see Product + Specification to see which ones). */ + #if defined (ENABLE_TRACE) + CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk; + NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Parallel << CLOCK_TRACECONFIG_TRACEMUX_Pos; + #endif + + SystemCoreClockUpdate(); + + NVIC_Relocate(); +} + +static bool ftpan_32(void) +{ + if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x6) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0)) + { + if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x30) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0)) + { + return true; + } + } + + return false; +} + +static bool ftpan_37(void) +{ + if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x6) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0)) + { + if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x30) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0)) + { + return true; + } + } + + return false; +} + +static bool ftpan_36(void) +{ + if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x6) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0)) + { + if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x30) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0)) + { + return true; + } + } + + return false; +} + + + +/*lint --flb "Leave library region" */