Gareth McMullin
12 years ago
committed by
Piotr Esden-Tempski
Piotr Esden-Tempski
24 changed files with 295 additions and 36 deletions
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includeguard: LIBOPENCM3_SAM3N_NVIC_H |
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partname_humanreadable: Atmel SAM3N series |
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partname_doxygen: SAM3N |
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irqs: |
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- supc |
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- rstc |
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- rtc |
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- rtt |
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- wdg |
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- pmc |
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- eefc0 |
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- reserved0 |
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- uart0 |
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- uart1 |
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- reserved1 |
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- pioa |
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- piob |
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- pioc |
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- usart0 |
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- usart1 |
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- reserved2 |
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- reserved3 |
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- reserved4 |
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- twi0 |
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- twi1 |
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- spi |
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- reserved5 |
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- tc0 |
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- tc1 |
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- tc2 |
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- tc3 |
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- tc4 |
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- tc5 |
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- adc |
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- dacc |
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- pwm |
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/*
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* This file is part of the libopencm3 project. |
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* |
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* Copyright (C) 2012 Gareth McMullin <gareth@blacksphere.co.nz> |
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* |
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* This library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#ifndef SAM3N_MEMORYMAP_H |
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#define SAM3N_MEMORYMAP_H |
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#include <libopencm3/cm3/common.h> |
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/* --- SAM3N peripheral space -------------------------------------------- */ |
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|
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#define SPI_BASE (0x40008000) |
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#define TC0_BASE (0x40010000) |
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#define TC1_BASE (0x40010040) |
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#define TC2_BASE (0x40010080) |
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#define TC3_BASE (0x40014000) |
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#define TC4_BASE (0x40014040) |
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#define TC5_BASE (0x40014080) |
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#define TWI0_BASE (0x40018000) |
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#define TWI1_BASE (0x4001C000) |
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#define PWM_BASE (0x40020000) |
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#define USART0_BASE (0x40024000) |
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#define USART1_BASE (0x40028000) |
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#define ADC_BASE (0x40038000) |
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#define DACC_BASE (0x4003C000) |
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|
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/* --- SAM3N system controller space ------------------------------------- */ |
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#define SMC_BASE (0x400E0000) |
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#define MATRIX_BASE (0x400E0200) |
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#define PMC_BASE (0x400E0400) |
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#define UART0_BASE (0x400E0600) |
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#define CHIPID_BASE (0x400E0740) |
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#define UART1_BASE (0x400E0800) |
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#define EEFC_BASE (0x400E0A00) |
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#define PIOA_BASE (0x400E0E00) |
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#define PIOB_BASE (0x400E1000) |
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#define PIOC_BASE (0x400E1200) |
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#define RSTC_BASE (0x400E1400) |
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#define SUPC_BASE (0x400E1410) |
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#define RTT_BASE (0x400E1430) |
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#define WDT_BASE (0x400E1450) |
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#define RTC_BASE (0x400E1460) |
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#define GPBR_BASE (0x400E1490) |
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#endif |
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##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This library is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as published by
|
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## the Free Software Foundation, either version 3 of the License, or
|
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## (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
|
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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## GNU Lesser General Public License for more details.
|
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this library. If not, see <http://www.gnu.org/licenses/>.
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##
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LIBNAME = libopencm3_sam3n |
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PREFIX ?= arm-none-eabi |
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#PREFIX ?= arm-elf
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CC = $(PREFIX)-gcc |
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AR = $(PREFIX)-ar |
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CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
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-mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
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-ffunction-sections -fdata-sections -MD -DSAM3N |
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# ARFLAGS = rcsv
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ARFLAGS = rcs |
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OBJS = gpio.o pmc.o usart.o |
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VPATH += ../../cm3:../common |
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include ../../Makefile.include |
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@ -0,0 +1,106 @@ |
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/* |
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* This file is part of the libopencm3 project. |
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* |
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> |
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* |
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* This library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this library. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/* Generic linker script for STM32 targets using libopencm3. */ |
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/* Memory regions must be defined in the ld script which includes this one. */ |
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/* Enforce emmition of the vector table. */ |
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EXTERN (vector_table) |
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/* Define the entry point of the output file. */ |
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ENTRY(reset_handler) |
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/* Define sections. */ |
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SECTIONS |
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{ |
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.text : { |
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*(.vectors) /* Vector table */ |
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*(.text*) /* Program code */ |
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. = ALIGN(4); |
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*(.rodata*) /* Read-only data */ |
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. = ALIGN(4); |
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} >rom |
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/* C++ Static constructors/destructors, also used for __attribute__ |
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* ((constructor)) and the likes */ |
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.preinit_array : { |
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. = ALIGN(4); |
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__preinit_array_start = .; |
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KEEP (*(.preinit_array)) |
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__preinit_array_end = .; |
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} >rom |
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.init_array : { |
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. = ALIGN(4); |
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__init_array_start = .; |
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KEEP (*(SORT(.init_array.*))) |
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KEEP (*(.init_array)) |
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__init_array_end = .; |
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} >rom |
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.fini_array : { |
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. = ALIGN(4); |
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__fini_array_start = .; |
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KEEP (*(.fini_array)) |
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KEEP (*(SORT(.fini_array.*))) |
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__fini_array_end = .; |
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} >rom |
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/* |
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* Another section used by C++ stuff, appears when using newlib with |
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* 64bit (long long) printf support |
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*/ |
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.ARM.extab : { |
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*(.ARM.extab*) |
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} >rom |
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.ARM.exidx : { |
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__exidx_start = .; |
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*(.ARM.exidx*) |
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__exidx_end = .; |
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} >rom |
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. = ALIGN(4); |
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_etext = .; |
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.data : { |
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_data = .; |
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*(.data*) /* Read-write initialized data */ |
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. = ALIGN(4); |
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_edata = .; |
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} >ram AT >rom |
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_data_loadaddr = LOADADDR(.data); |
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.bss : { |
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*(.bss*) /* Read-write zero initialized data */ |
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*(COMMON) |
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. = ALIGN(4); |
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_ebss = .; |
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} >ram |
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/* |
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* The .eh_frame section appears to be used for C++ exception handling. |
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* You may need to fix this if you're using C++. |
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*/ |
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/DISCARD/ : { *(.eh_frame) } |
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. = ALIGN(4); |
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end = .; |
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} |
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PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram)); |
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