From 5805e10f74104e3de60470c38d6643d2bdb00fe0 Mon Sep 17 00:00:00 2001 From: Stephane D'Alu Date: Sat, 9 Jul 2016 23:57:48 +0200 Subject: NRF52832 implementation --- .../startup/ARMCMx/compilers/GCC/ld/NRF52832.ld | 84 ++++++++++++++++++++++ .../ARMCMx/compilers/GCC/mk/startup_nrf52.mk | 10 +++ .../startup/ARMCMx/devices/NRF52832/cmparams.h | 82 +++++++++++++++++++++ 3 files changed, 176 insertions(+) create mode 100644 os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld create mode 100644 os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk create mode 100644 os/common/startup/ARMCMx/devices/NRF52832/cmparams.h (limited to 'os/common/startup/ARMCMx') diff --git a/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld b/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld new file mode 100644 index 0000000..402995a --- /dev/null +++ b/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld @@ -0,0 +1,84 @@ +/* + Copyright (C) 2016 Stephane D'Alu + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/* + * NRF52832 memory setup. + */ +MEMORY +{ + flash0 : org = 0x00000000, len = 512k + flash1 : org = 0x00000000, len = 0 + flash2 : org = 0x00000000, len = 0 + flash3 : org = 0x00000000, len = 0 + flash4 : org = 0x00000000, len = 0 + flash5 : org = 0x00000000, len = 0 + flash6 : org = 0x00000000, len = 0 + flash7 : org = 0x00000000, len = 0 + ram0 : org = 0x20000000, len = 64k + ram1 : org = 0x00000000, len = 0 + ram2 : org = 0x00000000, len = 0 + ram3 : org = 0x00000000, len = 0 + ram4 : org = 0x00000000, len = 0 + ram5 : org = 0x00000000, len = 0 + ram6 : org = 0x00000000, len = 0 + ram7 : org = 0x00000000, len = 0 +} + +/* For each data/text section two region are defined, a virtual region + and a load region (_LMA suffix).*/ + +/* Flash region to be used for exception vectors.*/ +REGION_ALIAS("VECTORS_FLASH", flash0); +REGION_ALIAS("VECTORS_FLASH_LMA", flash0); + +/* Flash region to be used for constructors and destructors.*/ +REGION_ALIAS("XTORS_FLASH", flash0); +REGION_ALIAS("XTORS_FLASH_LMA", flash0); + +/* Flash region to be used for code text.*/ +REGION_ALIAS("TEXT_FLASH", flash0); +REGION_ALIAS("TEXT_FLASH_LMA", flash0); + +/* Flash region to be used for read only data.*/ +REGION_ALIAS("RODATA_FLASH", flash0); +REGION_ALIAS("RODATA_FLASH_LMA", flash0); + +/* Flash region to be used for various.*/ +REGION_ALIAS("VARIOUS_FLASH", flash0); +REGION_ALIAS("VARIOUS_FLASH_LMA", flash0); + +/* Flash region to be used for RAM(n) initialization data.*/ +REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0); + +/* RAM region to be used for Main stack. This stack accommodates the processing + of all exceptions and interrupts*/ +REGION_ALIAS("MAIN_STACK_RAM", ram0); + +/* RAM region to be used for the process stack. This is the stack used by + the main() function.*/ +REGION_ALIAS("PROCESS_STACK_RAM", ram0); + +/* RAM region to be used for data segment.*/ +REGION_ALIAS("DATA_RAM", ram0); +REGION_ALIAS("DATA_RAM_LMA", flash0); + +/* RAM region to be used for BSS segment.*/ +REGION_ALIAS("BSS_RAM", ram0); + +/* RAM region to be used for HEAP segment.*/ +REGION_ALIAS("HEAP_RAM", ram0); + +INCLUDE rules.ld diff --git a/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk b/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk new file mode 100644 index 0000000..693ae67 --- /dev/null +++ b/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk @@ -0,0 +1,10 @@ +# List of the ChibiOS generic NRF51 startup and CMSIS files. +STARTUPSRC = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/crt1.c \ + $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/vectors.c + +STARTUPASM = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/crt0_v7m.S + +STARTUPINC = $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/devices/NRF52832 \ + $(CHIBIOS)/os/common/ext/CMSIS/include + +STARTUPLD = $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/ld diff --git a/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h b/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h new file mode 100644 index 0000000..b349291 --- /dev/null +++ b/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h @@ -0,0 +1,82 @@ +/* + Copyright (C) 2016 Stephane D'Alu + + This file is part of ChibiOS. + + ChibiOS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file NRF51822/cmparams.h + * @brief ARM Cortex-M4 parameters for the Nordic Semi NRF52832 family. + * + * @defgroup ARMCMx_NRF52x Nordic semiconductor NRF52x. + * @ingroup ARMCMx_SPECIFIC + * @details This file contains the Cortex-M4 specific parameters for the + * NRF52x platform. + * @{ + */ + +#ifndef _CMPARAMS_H_ +#define _CMPARAMS_H_ + +/** + * @brief Cortex core model. + */ +#define CORTEX_MODEL 4 + +/** + * @brief Memory Protection unit presence. + */ +#define CORTEX_HAS_MPU 1 + +/** + * @brief Floating Point unit presence. + */ +#define CORTEX_HAS_FPU 1 + +/** + * @brief Number of bits in priority masks. + */ +#define CORTEX_PRIORITY_BITS 3 + +/** + * @brief Number of interrupt vectors. + * @note This number does not include the 16 system vectors and must be + * rounded to a multiple of 8. + */ +#define CORTEX_NUM_VECTORS 40 + +/* The following code is not processed when the file is included from an + asm module.*/ +#if !defined(_FROM_ASM_) + +/* Including the device CMSIS header. Note, we are not using the definitions + from this header because we need this file to be usable also from + assembler source files. We verify that the info matches instead.*/ +#include "nrf52.h" + +#if CORTEX_MODEL != __CORTEX_M +#error "CMSIS __CORTEX_M mismatch" +#endif + +#if CORTEX_PRIORITY_BITS != __NVIC_PRIO_BITS +#error "CMSIS __NVIC_PRIO_BITS mismatch" +#endif + +#endif /* !defined(_FROM_ASM_) */ + +#endif /* _CMPARAMS_H_ */ + +/** @} */ -- cgit v1.2.3