Split sam3x/sam3n support.
This commit is contained in:
Gareth McMullin
committed by
Piotr Esden-Tempski
Piotr Esden-Tempski
parent
4535a4c9b6
commit
ce3e3dc39b
@@ -24,7 +24,9 @@
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# include "../lpc43xx/vector_nvic.c"
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#elif defined(SAM3X)
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# include "../sam3x/vector_nvic.c"
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# include "../sam/3x/vector_nvic.c"
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#elif defined(SAM3N)
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# include "../sam/3n/vector_nvic.c"
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#elif defined(LM3S) || defined(LM4F)
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/* Yes, we use the same interrupt table for both LM3S and LM4F */
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36
lib/sam/3n/Makefile
Normal file
36
lib/sam/3n/Makefile
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@@ -0,0 +1,36 @@
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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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@@ -23,14 +23,14 @@ 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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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 -DSAM3X
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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 += ../usb:../cm3
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VPATH += ../../usb:../../cm3:../common
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include ../Makefile.include
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include ../../Makefile.include
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106
lib/sam/3x/libopencm3_sam3x.ld
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106
lib/sam/3x/libopencm3_sam3x.ld
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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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@@ -17,7 +17,7 @@
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/sam3x/gpio.h>
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#include <libopencm3/sam/gpio.h>
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void gpio_init(u32 port, u32 pins, enum gpio_flags flags)
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{
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@@ -17,8 +17,8 @@
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/sam3x/pmc.h>
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#include <libopencm3/sam3x/eefc.h>
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#include <libopencm3/sam/pmc.h>
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#include <libopencm3/sam/eefc.h>
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/** Default peripheral clock frequency after reset. */
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u32 pmc_mck_frequency = 4000000;
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@@ -17,8 +17,8 @@
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/sam3x/usart.h>
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#include <libopencm3/sam3x/pmc.h>
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#include <libopencm3/sam/usart.h>
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#include <libopencm3/sam/pmc.h>
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void usart_set_baudrate(u32 usart, u32 baud)
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{
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@@ -1,28 +0,0 @@
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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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#include <libopencm3/sam3x/pio.h>
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void pio_toggle(u32 gpioport, u32 gpios)
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{
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u32 odsr = PIO_ODSR(gpioport);
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PIO_CODR(gpioport) = odsr & gpios;
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PIO_SODR(gpioport) = ~odsr & gpios;
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}
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