Merge pull request #974 from jonnteolsson/cc26xx-contrib

New platform: Texas Instruments CC26xx
mbaddeley · Feb 25, 2015 · a3b664d · a3b664d
2 parents 0c7d261 + 8bf35f9
commit a3b664d
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diff --git a/.gitignore b/.gitignore
@@ -24,6 +24,7 @@
 *.c128
 *.c64
 *.cc2538dk
+*.srf06-cc26xx
 *.ev-aducrf101mkxz
 *.report
 summary

diff --git a/.travis.yml b/.travis.yml
@@ -48,6 +48,13 @@ before_script:
       arm-none-eabi-gcc --version ;
     fi
 
+  ## Download and extract cc26xxware
+  - if [ ${BUILD_ARCH:-0} = arm ] ; then
+      wget http://www.ti.com/lit/sw/swrc296/swrc296.zip &&
+      unzip swrc296.zip &&
+      export TI_CC26XXWARE=cc26xxware_2_20_06_14829 ;
+    fi
+
   ## Install RL78 GCC toolchain
   - sudo apt-get install libncurses5:i386 zlib1g:i386
   - $WGET http://adamdunkels.github.io/contiki-fork/gnurl78-v13.02-elf_1-2_i386.deb &&

diff --git a/cpu/cc26xx/Makefile.cc26xx b/cpu/cc26xx/Makefile.cc26xx
@@ -0,0 +1,132 @@
+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
+OBJDUMP = arm-none-eabi-objdump
+NM      = arm-none-eabi-nm
+SIZE    = arm-none-eabi-size
+
+### TI CC26xxware out-of-tree
+### TI_CC26XXWARE is the home directory of the cc26xxware
+### It MUST be provided as a path relative to $(CONTIKI)
+### For example, if
+### CONTIKI = /home/user/contiki
+### and TI_CC26XXWARE is stored in
+### /home/user/cc26xxware
+### then set
+### TI_CC26XXWARE = ../cc26xxware
+ifndef TI_CC26XXWARE
+  $(error TI_CC26XXWARE not defined. Please see the README)
+endif
+
+### cc26xxware sources will be added to the MODULES list
+TI_CC26XXWARE_SRC = $(TI_CC26XXWARE)/driverlib
+
+### The directory with startup sources will be added to the CONTIKI_CPU_DIRS
+### and the sources therein are added to the sources list explicitly. They are
+### also listed explicitly in the linker command (through TARGET_STARTFILES),
+### to make sure they always get linked in the image
+TI_CC26XXWARE_STARTUP = ../../$(TI_CC26XXWARE)/startup_files
+TI_CC26XXWARE_STARTUP_SRCS = ccfg.c startup_gcc.c
+
+### MODULES will add some of these to the include pach, but we need to add
+### them earlier to prevent filename clashes with Contiki core files
+CFLAGS += -I$(CONTIKI)/$(TI_CC26XXWARE) -I$(CONTIKI)/$(TI_CC26XXWARE_SRC) 
+CFLAGS += -I$(CONTIKI)/$(TI_CC26XXWARE)/inc
+MODULES += $(TI_CC26XXWARE_SRC)
+
+LDSCRIPT = $(CONTIKI_CPU)/cc26xx.ld
+
+CFLAGS += -mcpu=cortex-m3 -mthumb -mlittle-endian
+CFLAGS += -ffunction-sections -fdata-sections
+CFLAGS += -fshort-enums -fomit-frame-pointer -fno-strict-aliasing
+CFLAGS += -Wall -std=c99
+
+### Workaround for driverlib's cpu.h which tests if defined(gcc)
+### Delete if it gets fixed or if we stop using the driverlib
+CFLAGS += -Dgcc=__GNUC__
+
+LDFLAGS += -mcpu=cortex-m3 -mthumb -mlittle-endian -nostartfiles
+LDFLAGS += -T $(LDSCRIPT)
+LDFLAGS += -Wl,--gc-sections,--sort-section=alignment
+LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch
+OBJCOPY_FLAGS += -O binary --gap-fill 0xff
+OBJDUMP_FLAGS += --disassemble --source --disassembler-options=force-thumb
+
+### Are we building with code size optimisations?
+ifeq ($(SMALL),1)
+  CFLAGS += -Os
+else
+  CFLAGS += -O2
+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 *.hex
+
+### CPU-dependent directories
+CONTIKI_CPU_DIRS = . dev dev/rfc-api $(TI_CC26XXWARE_STARTUP)
+
+### Use the existing debug I/O in cpu/arm/common
+CONTIKI_CPU_DIRS += ../arm/common/dbg-io
+
+### CPU-dependent source files
+CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c cc26xx-rtc.c uart.c
+CONTIKI_CPU_SOURCEFILES += cc26xx-rf.c contiki-watchdog.c
+CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c
+CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c cc26xx-uart.c lpm.c
+CONTIKI_CPU_SOURCEFILES += gpio-interrupt.c
+
+DEBUG_IO_SOURCEFILES += dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c
+
+CONTIKI_SOURCEFILES += $(CONTIKI_CPU_SOURCEFILES) $(DEBUG_IO_SOURCEFILES)
+
+TARGET_START_SOURCEFILES += fault-handlers.c $(TI_CC26XXWARE_STARTUP_SRCS)
+TARGET_STARTFILES = $(addprefix $(OBJECTDIR)/,$(call oname, $(TARGET_START_SOURCEFILES)))
+
+### Don't treat the .elf as intermediate
+.PRECIOUS: %.elf %.hex %.bin
+
+### Always re-build ieee-addr.o in case the command line passes a new NODEID
+FORCE:
+
+$(OBJECTDIR)/ieee-addr.o: ieee-addr.c FORCE | $(OBJECTDIR)
+	$(TRACE_CC)
+	$(Q)$(CC) $(CFLAGS) -c $< -o $@
+
+### Compilation rules
+CUSTOM_RULE_LINK=1
+
+%.elf: $(TARGET_STARTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a $(LDSCRIPT)
+	$(TRACE_LD)
+	$(Q)$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -lm -o $@
+
+%.hex: %.elf
+	$(OBJCOPY) -O ihex $< $@
+
+%.bin: %.elf
+	$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@
+
+%.lst: %.elf
+	$(OBJDUMP) $(OBJDUMP_FLAGS) $< > $@
+
+### We don't really need the .hex and .bin for the .$(TARGET) but let's make
+### sure they get built
+%.$(TARGET): %.elf %.hex %.bin
+	cp $< $@
+
+# a target that gives a user-friendly memory profile, taking into account the RAM
+# that is statically occupied by the stack as defined in the linker script
+# see $(LDSCRIPT)
+RAM_SIZE = 0x00003E00
+FLASH_SIZE = 0x0001E000
+STACK_SIZE = 0
+%.size: %.$(TARGET)
+	@$(SIZE) -A $< | egrep "data|bss" | awk '{s+=$$2} END {s=s+$(STACK_SIZE); f=$(RAM_SIZE)-s; printf "[RAM]   used %6d, free %6d\n",s,f;}'
+	@$(SIZE) -A $< | egrep "text|isr_vector" | awk '{s+=$$2} END {f=$(FLASH_SIZE)-s; printf "[Flash] used %6d, free %6d\n",s,f;}'
+
diff --git a/cpu/cc26xx/cc26xx-model.h b/cpu/cc26xx/cc26xx-model.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+/*---------------------------------------------------------------------------*/
+/**
+ * \addtogroup cc26xx
+ * @{
+ *
+ * \defgroup cc26xx-models CC26xx models
+ *
+ * The CC26xx comes out in various flavours. Most notable within the context
+ * of this Contiki port: The CC2630 with IEEE (but no BLE) support and the
+ * CC2650 with IEEE and BLE support.
+ *
+ * This port supports both models and will automatically turn off the BLE code
+ * if the CC2630 is selected.
+ *
+ * @{
+ */
+/**
+ * \file
+ * Header file with definitions relating to various CC26xx variants
+ */
+/*---------------------------------------------------------------------------*/
+#ifndef CC26XX_MODEL_H_
+#define CC26XX_MODEL_H_
+/*---------------------------------------------------------------------------*/
+#include "contiki-conf.h"
+/*---------------------------------------------------------------------------*/
+#ifdef CC26XX_MODEL_CONF_CPU_VARIANT
+#define CC26XX_MODEL_CPU_VARIANT CC26XX_MODEL_CONF_CPU_VARIANT
+#else
+#define CC26XX_MODEL_CPU_VARIANT 2650
+#endif
+
+#if (CC26XX_MODEL_CPU_VARIANT != 2630) && (CC26XX_MODEL_CPU_VARIANT != 2650)
+#error Incorrect CC26xx variant selected.
+#error Check the value of CC26XX_MODEL_CONF_CPU_VARIANT
+#error Supported values: 2630 and 2650
+#endif
+/*---------------------------------------------------------------------------*/
+#endif /* CC26XX_MODEL_H_ */
+/*---------------------------------------------------------------------------*/
+/**
+ * @}
+ * @}
+ */
diff --git a/cpu/cc26xx/cc26xx.ld b/cpu/cc26xx/cc26xx.ld
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+/* CC26XX linker script */
+
+/* Entry Point */
+ENTRY(ResetISR)
+
+MEMORY
+{
+    /* Flash Size 128 KB minus the CCA area below (76 bytes) */
+    FLASH (RX) : ORIGIN = 0x00000000, LENGTH = 0x0001FFAC
+
+    /*
+     * Customer Configuration Area and Bootloader Backdoor configuration
+     * in flash, up to 80 bytes
+     */
+    FLASH_CCFG (RX) : ORIGIN = 0x0001FFAC, LENGTH = 84
+
+    /* RAM Size 20KB (PG2.1) */
+    SRAM (RWX) : ORIGIN = 0x20000000, LENGTH = 0x00005000
+}
+
+/*. Highest address of the stack. Used in startup file .*/
+_estack = ORIGIN(SRAM) + LENGTH(SRAM); /* End of SRAM */
+
+/*. Generate a link error if heap and stack don’t fit into RAM .*/
+_Min_Heap_Size = 0;
+_Min_Stack_Size = 0x100;
+
+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
+
+    .ccfg :
+    {
+        KEEP(*(.ccfg))
+    } > FLASH_CCFG
+
+    /* User_heap_stack section, used to check that there is enough RAM left */
+    ._user_heap_stack :
+    {
+      . = ALIGN(4);
+      . = . + _Min_Heap_Size;
+      . = . + _Min_Stack_Size;
+      . = ALIGN(4);
+    } >SRAM
+}