Add software
This commit is contained in:
@ -0,0 +1,49 @@
|
||||
##
|
||||
## This file is part of the libopencm3 project.
|
||||
##
|
||||
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
||||
## Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
|
||||
## Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
|
||||
## Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
|
||||
##
|
||||
## This library is free software: you can redistribute it and/or modify
|
||||
## it under the terms of the GNU Lesser General Public License as published by
|
||||
## the Free Software Foundation, either version 3 of the License, or
|
||||
## (at your option) any later version.
|
||||
##
|
||||
## This library 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 Lesser General Public License for more details.
|
||||
##
|
||||
## You should have received a copy of the GNU Lesser General Public License
|
||||
## along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
##
|
||||
|
||||
LIBNAME = libopencm3_lpc43xx
|
||||
|
||||
FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
|
||||
PREFIX ?= arm-none-eabi
|
||||
|
||||
CC = $(PREFIX)-gcc
|
||||
AR = $(PREFIX)-ar
|
||||
CFLAGS = -O2 -g3 \
|
||||
-Wall -Wextra -Wimplicit-function-declaration \
|
||||
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
|
||||
-Wundef -Wshadow \
|
||||
-I../../../include -fno-common \
|
||||
-mcpu=cortex-m4 -mthumb -Wstrict-prototypes \
|
||||
-ffunction-sections -fdata-sections -MD \
|
||||
$(FP_FLAGS) -DLPC43XX -DLPC43XX_M4
|
||||
|
||||
ARFLAGS = rcs
|
||||
|
||||
# LPC43xx common files for M4 / M0
|
||||
OBJ_LPC43XX = gpio.o scu.o i2c.o ssp.o uart.o timer.o wwdt.o
|
||||
|
||||
#LPC43xx M4 specific file + Generic LPC43xx M4/M0 files
|
||||
OBJS = $(OBJ_LPC43XX) ipc.o
|
||||
|
||||
VPATH += ../:../../cm3
|
||||
|
||||
include ../../Makefile.include
|
@ -0,0 +1,127 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
||||
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
|
||||
* Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
|
||||
* Copyright (C) 2012 Jared Boone <jared@sharebrained.com>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* Generic linker script for LPC43XX targets using libopencm3. */
|
||||
|
||||
/* Memory regions must be defined in the ld script which includes this one. */
|
||||
|
||||
/* Enforce emmition of the vector table. */
|
||||
EXTERN (vector_table)
|
||||
|
||||
/* Define the entry point of the output file. */
|
||||
ENTRY(reset_handler)
|
||||
|
||||
/* Define sections. */
|
||||
SECTIONS
|
||||
{
|
||||
.text : {
|
||||
. = ALIGN(0x400);
|
||||
_text_ram = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
*(.vectors) /* Vector table */
|
||||
*(.text*) /* Program code */
|
||||
. = ALIGN(4);
|
||||
*(.rodata*) /* Read-only data */
|
||||
. = ALIGN(4);
|
||||
} >rom
|
||||
|
||||
/* C++ Static constructors/destructors, also used for __attribute__
|
||||
* ((constructor)) and the likes */
|
||||
.preinit_array : {
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
} >rom
|
||||
.init_array : {
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
} >rom
|
||||
.fini_array : {
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
} >rom
|
||||
|
||||
/*
|
||||
* Another section used by C++ stuff, appears when using newlib with
|
||||
* 64bit (long long) printf support
|
||||
*/
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >rom
|
||||
|
||||
/* exception index - required due to libgcc.a issuing /0 exceptions */
|
||||
.ARM.exidx : {
|
||||
__exidx_start = .;
|
||||
*(.ARM.exidx*)
|
||||
__exidx_end = .;
|
||||
} >rom
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
_etext_ram = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
_etext_rom = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
|
||||
. = ORIGIN(ram_local2);
|
||||
|
||||
.data : {
|
||||
_data = .;
|
||||
*(.data*) /* Read-write initialized data */
|
||||
. = ALIGN(4);
|
||||
_edata = .;
|
||||
} >ram_local2 AT >rom
|
||||
_data_loadaddr = LOADADDR(.data);
|
||||
|
||||
_data_rom = LOADADDR (.data) + ORIGIN(rom);
|
||||
_edata_rom = _data_rom + SIZEOF (.data);
|
||||
|
||||
.bss : {
|
||||
_bss = .;
|
||||
*(.bss*) /* Read-write zero initialized data */
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = .;
|
||||
} >ram_local2
|
||||
|
||||
/* exception unwind data - required due to libgcc.a issuing /0 exceptions */
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >ram_local2
|
||||
|
||||
/*
|
||||
* The .eh_frame section appears to be used for C++ exception handling.
|
||||
* You may need to fix this if you're using C++.
|
||||
*/
|
||||
/DISCARD/ : { *(.eh_frame) }
|
||||
|
||||
. = ALIGN(4);
|
||||
end = .;
|
||||
|
||||
/* Leave room above stack for IAP to run. */
|
||||
__StackTop = ORIGIN(ram_local2) + LENGTH(ram_local2) - 32;
|
||||
PROVIDE(_stack = __StackTop);
|
||||
}
|
@ -0,0 +1,139 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
||||
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
|
||||
* Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
|
||||
* Copyright (C) 2012 Jared Boone <jared@sharebrained.com>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* Generic linker script for LPC43XX targets using libopencm3. */
|
||||
|
||||
/* Memory regions must be defined in the ld script which includes this one. */
|
||||
|
||||
/* Enforce emmition of the vector table. */
|
||||
EXTERN (vector_table)
|
||||
|
||||
/* Define the entry point of the output file. */
|
||||
ENTRY(reset_handler)
|
||||
|
||||
/* Define sections. */
|
||||
SECTIONS
|
||||
{
|
||||
. = ORIGIN(ram_local1);
|
||||
|
||||
.text : {
|
||||
. = ALIGN(0x400);
|
||||
_text_ram = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
*(.vectors) /* Vector table */
|
||||
*(.text*) /* Program code */
|
||||
. = ALIGN(4);
|
||||
*(.rodata*) /* Read-only data */
|
||||
. = ALIGN(4);
|
||||
} >ram_local1
|
||||
|
||||
/* C++ Static constructors/destructors, also used for __attribute__
|
||||
* ((constructor)) and the likes */
|
||||
.preinit_array : {
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
} >ram_local1
|
||||
.init_array : {
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
} >ram_local1
|
||||
.fini_array : {
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
} >ram_local1
|
||||
|
||||
/*
|
||||
* Another section used by C++ stuff, appears when using newlib with
|
||||
* 64bit (long long) printf support
|
||||
*/
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >ram_local1
|
||||
|
||||
/* exception index - required due to libgcc.a issuing /0 exceptions */
|
||||
__exidx_start = .;
|
||||
.ARM.exidx : {
|
||||
__exidx_start = .;
|
||||
*(.ARM.exidx*)
|
||||
__exidx_end = .;
|
||||
} > ram_local1
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
_etext_ram = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
_etext_rom = 0; /* Start of Code in RAM NULL because Copy of Code from ROM to RAM disabled */
|
||||
|
||||
. = ORIGIN(ram_local2);
|
||||
|
||||
.data : {
|
||||
_data = .;
|
||||
*(.data*) /* Read-write initialized data */
|
||||
. = ALIGN(4);
|
||||
_edata = .;
|
||||
} >ram_local2
|
||||
_data_loadaddr = LOADADDR(.data);
|
||||
|
||||
/* Running from RAM only, loading the .elf will initialize data for us. */
|
||||
_data_rom = .;
|
||||
_edata_rom = .;
|
||||
|
||||
_data = .;
|
||||
_edata = .;
|
||||
|
||||
.bss : {
|
||||
_bss = .;
|
||||
*(.bss*) /* Read-write zero initialized data */
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = .;
|
||||
} >ram_local2
|
||||
|
||||
/* exception unwind data - required due to libgcc.a issuing /0 exceptions */
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >ram_local2
|
||||
|
||||
/*
|
||||
* The .eh_frame section appears to be used for C++ exception handling.
|
||||
* You may need to fix this if you're using C++.
|
||||
*/
|
||||
/DISCARD/ : { *(.eh_frame) }
|
||||
|
||||
/*
|
||||
* Another section used by C++ stuff, appears when using newlib with
|
||||
* 64bit (long long) printf support - discard it for now.
|
||||
*/
|
||||
/DISCARD/ : { *(.ARM.exidx) }
|
||||
|
||||
end = .;
|
||||
|
||||
/* Leave room above stack for IAP to run. */
|
||||
__StackTop = ORIGIN(ram_local2) + LENGTH(ram_local2) - 32;
|
||||
PROVIDE(_stack = __StackTop);
|
||||
}
|
@ -0,0 +1,128 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
||||
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
|
||||
* Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
|
||||
* Copyright (C) 2012 Jared Boone <jared@sharebrained.com>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* Generic linker script for LPC43XX targets using libopencm3. */
|
||||
|
||||
/* Memory regions must be defined in the ld script which includes this one. */
|
||||
|
||||
/* Enforce emmition of the vector table. */
|
||||
EXTERN (vector_table)
|
||||
|
||||
/* Define the entry point of the output file. */
|
||||
ENTRY(reset_handler)
|
||||
|
||||
/* Define sections. */
|
||||
SECTIONS
|
||||
{
|
||||
.text : {
|
||||
. = ALIGN(0x400);
|
||||
_text_ram = (. - ORIGIN(rom)) + ORIGIN(ram_local1); /* Start of Code in RAM */
|
||||
|
||||
*(.vectors) /* Vector table */
|
||||
*(.text*) /* Program code */
|
||||
. = ALIGN(4);
|
||||
*(.rodata*) /* Read-only data */
|
||||
. = ALIGN(4);
|
||||
} >rom
|
||||
|
||||
/* C++ Static constructors/destructors, also used for __attribute__
|
||||
* ((constructor)) and the likes */
|
||||
.preinit_array : {
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
} >rom
|
||||
.init_array : {
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
} >rom
|
||||
.fini_array : {
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
} >rom
|
||||
|
||||
/*
|
||||
* Another section used by C++ stuff, appears when using newlib with
|
||||
* 64bit (long long) printf support
|
||||
*/
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >rom
|
||||
|
||||
/* exception index - required due to libgcc.a issuing /0 exceptions */
|
||||
.ARM.exidx : {
|
||||
__exidx_start = .;
|
||||
*(.ARM.exidx*)
|
||||
__exidx_end = .;
|
||||
} >rom
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
_etext_ram = (. - ORIGIN(rom)) + ORIGIN(ram_local1);
|
||||
_etext_rom = (. - ORIGIN(rom)) + ORIGIN(rom_flash);
|
||||
|
||||
. = ORIGIN(ram_local2);
|
||||
|
||||
.data : {
|
||||
_data = .;
|
||||
*(.data*) /* Read-write initialized data */
|
||||
. = ALIGN(4);
|
||||
_edata = .;
|
||||
} >ram_local2 AT >rom
|
||||
_data_loadaddr = LOADADDR(.data);
|
||||
|
||||
_data_rom = LOADADDR (.data) + ORIGIN(rom_flash);
|
||||
_edata_rom = _data_rom + SIZEOF (.data);
|
||||
|
||||
.bss : {
|
||||
_bss = .;
|
||||
*(.bss*) /* Read-write zero initialized data */
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = .;
|
||||
} >ram_local2
|
||||
|
||||
/* exception unwind data - required due to libgcc.a issuing /0 exceptions */
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} >ram_local2
|
||||
|
||||
/*
|
||||
* The .eh_frame section appears to be used for C++ exception handling.
|
||||
* You may need to fix this if you're using C++.
|
||||
*/
|
||||
/DISCARD/ : { *(.eh_frame) }
|
||||
|
||||
. = ALIGN(4);
|
||||
end = .;
|
||||
|
||||
/* Leave room above stack for IAP to run. */
|
||||
__StackTop = ORIGIN(ram_local2) + LENGTH(ram_local2) - 32;
|
||||
PROVIDE(_stack = __StackTop);
|
||||
}
|
@ -0,0 +1,52 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
|
||||
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/cm3/common.h>
|
||||
#include <libopencm3/cm3/scb.h>
|
||||
|
||||
extern unsigned _etext_ram, _text_ram, _etext_rom;
|
||||
|
||||
#define CREG_M4MEMMAP MMIO32((0x40043000 + 0x100))
|
||||
|
||||
static void pre_main(void)
|
||||
{
|
||||
volatile unsigned *src, *dest;
|
||||
|
||||
/* Copy the code from ROM to Real RAM (if enabled) */
|
||||
if ((&_etext_ram-&_text_ram) > 0) {
|
||||
src = &_etext_rom-(&_etext_ram-&_text_ram);
|
||||
/* Change Shadow memory to ROM (for Debug Purpose in case Boot
|
||||
* has not set correctly the M4MEMMAP because of debug)
|
||||
*/
|
||||
CREG_M4MEMMAP = (unsigned long)src;
|
||||
|
||||
for (dest = &_text_ram; dest < &_etext_ram; ) {
|
||||
*dest++ = *src++;
|
||||
}
|
||||
|
||||
/* Change Shadow memory to Real RAM */
|
||||
CREG_M4MEMMAP = (unsigned long)&_text_ram;
|
||||
|
||||
/* Continue Execution in RAM */
|
||||
}
|
||||
|
||||
/* Enable access to Floating-Point coprocessor. */
|
||||
SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
|
||||
}
|
Reference in New Issue
Block a user