Merge pull request #194 from g-oikonomou/cc2538-forward

New Platform: TI CC2538 Development Kit

cpu/cc2538/Makefile.cc2538

@@ -0,0 +1,86 @@
+CC      = arm-none-eabi-gcc
+CPP     = arm-none-eabi-cpp
+LD      = arm-none-eabi-gcc
+AR      = arm-none-eabi-ar
+OBJCOPY = arm-none-eabi-objcopy
+NM      = arm-none-eabi-nm
+
+LDSCRIPT = $(OBJECTDIR)/cc2538.ld
+
+CFLAGS += -O2 -mcpu=cortex-m3 -mthumb -mlittle-endian
+CFLAGS += -fshort-enums -fomit-frame-pointer -fno-strict-aliasing
+CFLAGS += -Wall
+LDFLAGS += -mcpu=cortex-m3 -mthumb -nostartfiles
+LDFLAGS += -T $(LDSCRIPT)
+LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch
+OBJCOPY_FLAGS += -O binary --gap-fill 0xff
+
+### Are we building with code size optimisations?
+ifeq ($(SMALL),1)
+  CFLAGS += -ffunction-sections -fdata-sections
+  LDFLAGS += -Wl,--gc-sections
+endif
+
+### If the user-specified a Node ID, pass a define
+ifdef NODEID
+  CFLAGS += -DIEEE_ADDR_NODE_ID=$(NODEID)
+endif
+
+### CPU-dependent cleanup files
+CLEAN += symbols.c symbols.h *.d *.elf
+
+### CPU-dependent directories
+CONTIKI_CPU_DIRS = . dev usb
+
+### Use the existing debug I/O in cpu/arm/common
+CONTIKI_CPU_DIRS += ../arm/common/dbg-io
+
+### Use usb core from cpu/cc253x/usb/common
+CONTIKI_CPU_DIRS += ../cc253x/usb/common ../cc253x/usb/common/cdc-acm
+
+### CPU-dependent source files
+CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c uart.c watchdog.c
+CONTIKI_CPU_SOURCEFILES += nvic.c cpu.c sys-ctrl.c gpio.c ioc.c
+CONTIKI_CPU_SOURCEFILES += cc2538-rf.c udma.c lpm.c
+CONTIKI_CPU_SOURCEFILES += dbg.c ieee-addr.c
+CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c
+
+DEBUG_IO_SOURCEFILES += dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c
+
+USB_CORE_SOURCEFILES += usb-core.c cdc-acm.c
+USB_ARCH_SOURCEFILES += usb-arch.c usb-serial.c cdc-acm-descriptors.c
+
+CONTIKI_SOURCEFILES += $(CONTIKI_CPU_SOURCEFILES) $(DEBUG_IO_SOURCEFILES)
+CONTIKI_SOURCEFILES += $(USB_CORE_SOURCEFILES) $(USB_ARCH_SOURCEFILES)
+
+### Don't treat the .elf as intermediate
+.PRECIOUS: %.elf %.bin
+
+### Always re-build ieee-addr.o in case the command line passes a new NODEID
+FORCE:
+
+$(OBJECTDIR)/ieee-addr.o: ieee-addr.c FORCE
+	$(CC) $(CFLAGS) -c $< -o $@
+
+### Compilation rules
+CUSTOM_RULE_LINK=1
+
+%.elf: $(TARGET_STARTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a $(LDSCRIPT)
+	$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} -o $@
+
+%.bin: %.elf
+	$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@
+
+### We don't really need the .bin for the .$(TARGET) but let's make sure it
+### gets built
+%.$(TARGET): %.elf %.bin
+	cp $< $@
+
+### This rule is used to generate the correct linker script
+LDGENFLAGS += $(addprefix -D,$(subst $(COMMA), ,$(DEFINES)))
+LDGENFLAGS += $(addprefix -I,$(SOURCEDIRS))
+LDGENFLAGS += -imacros "contiki-conf.h"
+LDGENFLAGS += -P -E
+
+$(LDSCRIPT): $(CONTIKI_CPU)/cc2538.lds FORCE
+	$(CPP) $(LDGENFLAGS) $< -o $@

cpu/cc2538/cc2538.lds

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2013, Texas Instruments Incorporated - http://www.ti.com/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder 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.
+ */
+/*
+ * cc2538 linker configuration file. This is not the actual file used at link
+ * stage. Rather, it is used as input for the auto-generation of the actual
+ * ld script, which is called cc2538.ld and will be in the project directory
+ */
+#if (LPM_CONF_MAX_PM==2) && (LPM_CONF_ENABLE != 0)
+#define SRAM_START  0x20004000
+#define SRAM_LEN    0x00004000
+#else
+#define SRAM_START  0x20000000
+#define SRAM_LEN    0x00008000
+#endif
+
+MEMORY
+{
+    FLASH (rx) : ORIGIN = 0x200000, LENGTH = 0x0007FFD4
+    FLASH_CCA (RX) : ORIGIN = 0x0027FFD4, LENGTH = 12
+    SRAM (RWX) : ORIGIN = SRAM_START, LENGTH = SRAM_LEN
+}
+
+SECTIONS
+{
+    .text :
+    {
+        _text = .;
+        KEEP(*(.vectors))
+        *(.text*)
+        *(.rodata*)
+        _etext = .;
+    } > FLASH= 0
+
+    .data :
+    {
+        _data = .;
+        *(vtable)
+        *(.data*)
+        _edata = .;
+    } > SRAM AT > FLASH
+
+    .ARM.exidx :
+    {
+        *(.ARM.exidx*)
+    } > FLASH
+
+    .bss :
+    {
+        _bss = .;
+        *(.bss*)
+        *(COMMON)
+        _ebss = .;
+    } > SRAM
+
+    .flashcca :
+    {
+        KEEP(*(.flashcca))
+    } > FLASH_CCA
+}