Added SoftDevice 6 support + OpenOCD flash + some fixes

4 files changed, 149 insertions, 102 deletions

diff --git a/Makefile.common b/Makefile.common
index b4cfbe8..9618c57 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,31 +1,37 @@
 DEVICE := NRF51

 DEVICESERIES := nrf51

 

-SDK_INCLUDE_PATH = $(SDK_PATH)/Include/

-SDK_SOURCE_PATH = $(SDK_PATH)/Source/

-# TEMPLATE_PATH += $(SDK_SOURCE_PATH)/templates/gcc/

-OUTPUT_BINARY_DIRECTORY := _build

+SDK_INCLUDE_PATH = $(SDK_PATH)/Include

+SDK_SOURCE_PATH = $(SDK_PATH)/Source

+# TEMPLATE_PATH += $(SDK_SOURCE_PATH)/templates/gcc

+OUTPUT_BINARY_DIRECTORY := build

 

 ifeq ($(OS),Windows_NT)

-include $(TEMPLATE_PATH)Makefile.windows

+include $(TEMPLATE_PATH)/Makefile.windows

 else

-include $(TEMPLATE_PATH)Makefile.posix

+include $(TEMPLATE_PATH)/Makefile.posix

 endif

 

 ifeq ($(LINKER_SCRIPT),)

-	ifeq ($(USE_SOFTDEVICE), S110)

-		LINKER_SCRIPT = gcc_$(DEVICESERIES)_s110_$(DEVICE_VARIANT).ld

-		OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s110_$(DEVICE_VARIANT)

-        STARTADDRESS = 0x16000

+	ifeq ($(USE_SOFTDEVICE), S110-sd6)

+		LINKER_SCRIPT = gcc_$(DEVICESERIES)_s110-sd6_$(DEVICE_VARIANT).ld

+		OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s110-sd6_$(DEVICE_VARIANT)

+		STARTADDRESS = 0x14000

 	else

-		ifeq ($(USE_SOFTDEVICE), S210)

-			LINKER_SCRIPT = gcc_$(DEVICESERIES)_s210_$(DEVICE_VARIANT).ld

-			OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s210_$(DEVICE_VARIANT)

-            STARTADDRESS = 0x16000

+		ifeq ($(USE_SOFTDEVICE), S110)

+			LINKER_SCRIPT = gcc_$(DEVICESERIES)_s110_$(DEVICE_VARIANT).ld

+			OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s110_$(DEVICE_VARIANT)

+			STARTADDRESS = 0x16000

 		else

-			LINKER_SCRIPT = gcc_$(DEVICESERIES)_blank_$(DEVICE_VARIANT).ld

-			OUTPUT_FILENAME := $(OUTPUT_FILENAME)_$(DEVICE_VARIANT)

-            STARTADDRESS = 0x0

+			ifeq ($(USE_SOFTDEVICE), S120)

+				LINKER_SCRIPT = gcc_$(DEVICESERIES)_s120_$(DEVICE_VARIANT).ld

+				OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s120_$(DEVICE_VARIANT)

+	 			STARTADDRESS = 0x18000

+			else

+				LINKER_SCRIPT = gcc_$(DEVICESERIES)_blank_$(DEVICE_VARIANT).ld

+				OUTPUT_FILENAME := $(OUTPUT_FILENAME)_$(DEVICE_VARIANT)

+				STARTADDRESS = 0x0

+			endif

 		endif

 	endif

 else

@@ -36,19 +42,20 @@ CPU := cortex-m0
 

 # Toolchain commands

 JLINK           := JLinkExe -Device nrf51822 -speed 100 -if swd

-CC       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-gcc"

-AS       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-as"

-AR       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ar" -r

-LD       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ld"

-NM       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-nm"

-OBJDUMP  		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objdump"

-OBJCOPY  		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objcopy"

-

-MK 				:= mkdir

+OPENOCD		:= /usr/local/bin/openocd -f interface/stlink-v2.cfg -c"transport select hla_swd" -f target/nrf51.cfg

+CC			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-gcc"

+AS			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-as"

+AR			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ar" -r

+LD			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ld"

+NM			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-nm"

+OBJDUMP			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objdump"

+OBJCOPY			:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objcopy"

+

+MK				:= mkdir

 RM 				:= rm -rf

 

-OBJECT_DIRECTORY := _build

-LISTING_DIRECTORY := _build

+OBJECT_DIRECTORY := build

+LISTING_DIRECTORY := build

 

 C_SOURCE_FILES += system_$(DEVICESERIES).c

 ASSEMBLER_SOURCE_FILES += gcc_startup_$(DEVICESERIES).s

@@ -57,46 +64,51 @@ ASSEMBLER_SOURCE_FILES += gcc_startup_$(DEVICESERIES).s
 #LDFLAGS += -L"$(GNU_INSTALL_ROOT)/arm-none-eabi/lib/armv6-m"

 #LDFLAGS += -L"$(GNU_INSTALL_ROOT)/lib/gcc/arm-none-eabi/$(GNU_VERSION)/armv6-m"

 LDFLAGS += -Xlinker -Map=$(LISTING_DIRECTORY)/$(OUTPUT_FILENAME).map

-LDFLAGS += -mcpu=$(CPU) -mthumb -mabi=aapcs -L $(TEMPLATE_PATH) -T$(LINKER_SCRIPT) 

+LDFLAGS += -mcpu=$(CPU) -mthumb -mabi=aapcs -L $(TEMPLATE_PATH) -T$(LINKER_SCRIPT)

 

 # Compiler flags

 CFLAGS += -mcpu=$(CPU) -mthumb -mabi=aapcs -D$(DEVICE) -D$(BOARD) -D$(TARGET_CHIP) --std=gnu99

-CFLAGS += -Wall -Werror

+CFLAGS += -Wall

 CFLAGS += -mfloat-abi=soft

 

 # Assembler flags

 ASMFLAGS += -x assembler-with-cpp

- 

-INCLUDEPATHS += -I"$(SDK_PATH)Include"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/gcc"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/console"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/nrf_assert"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/sdk"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/app_common"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/sd_common"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/ble"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/ble/ble_services"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/ble/device_manager"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/ble/device_manager/experimental"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/ext_sensors"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/common"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/common/transport"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/common/struct_ser"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/connectivity"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/connectivity/codecs"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/application/transport"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/application/codecs/common"

-INCLUDEPATHS += -I"$(SDK_PATH)Include/serialization/application/codecs/s110/serializers"

-

-ifeq ($(USE_SOFTDEVICE), S110)

-    INCLUDEPATHS += -I"$(SDK_PATH)Include/s110"

+

+INCLUDEPATHS += -I./src

+INCLUDEPATHS += -I"$(SDK_PATH)/Include"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/gcc"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/console"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/nrf_assert"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/sdk"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/app_common"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/sd_common"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/ble"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/ble/ble_services"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/ble/device_manager"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/ble/device_manager/experimental"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/ext_sensors"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/common"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/common/transport"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/common/struct_ser"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/connectivity"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/connectivity/codecs"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/application/transport"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/application/codecs/common"

+INCLUDEPATHS += -I"$(SDK_PATH)/Include/serialization/application/codecs/s110/serializers"

+

+ifeq ($(USE_SOFTDEVICE), S110-sd6)

+	INCLUDEPATHS += -I"$(SDK_PATH)/Include/s110"

 else

-    ifeq ($(USE_SOFTDEVICE), S210)

-        INCLUDEPATHS += -I"$(SDK_PATH)Include/s120"

-    else

-        INCLUDEPATHS += -I"$(SDK_PATH)Include/sdk_soc"

-    endif    

+	ifeq ($(USE_SOFTDEVICE), S110)

+		INCLUDEPATHS += -I"$(SDK_PATH)/Include/s110"

+	else

+		ifeq ($(USE_SOFTDEVICE), S120)

+			INCLUDEPATHS += -I"$(SDK_PATH)/Include/s120"

+		else

+			INCLUDEPATHS += -I"$(SDK_PATH)/Include/sdk_soc"

+		endif

+	endif

 endif

 

 # Sorting removes duplicates

@@ -110,8 +122,8 @@ C_SOURCE_FILENAMES = $(notdir $(C_SOURCE_FILES) )
 ASSEMBLER_SOURCE_FILENAMES = $(notdir $(ASSEMBLER_SOURCE_FILES) )

 

 # Make a list of source paths

-C_SOURCE_PATHS += $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)*/)  $(wildcard $(SDK_SOURCE_PATH)ext_sensors/*/) $(wildcard $(SDK_SOURCE_PATH)ble/*/) $(BUILD_SCRIPTS_PATH)

-ASSEMBLER_SOURCE_PATHS = $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)*/) $(BUILD_SCRIPTS_PATH)

+C_SOURCE_PATHS += $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)/*/)  $(wildcard $(SDK_SOURCE_PATH)/ext_sensors/*/) $(wildcard $(SDK_SOURCE_PATH)/ble/*/) $(BUILD_SCRIPTS_PATH) src

+ASSEMBLER_SOURCE_PATHS = $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)/*/) $(BUILD_SCRIPTS_PATH)

 

 C_OBJECTS = $(addprefix $(OBJECT_DIRECTORY)/, $(C_SOURCE_FILENAMES:.c=.o) )

 ASSEMBLER_OBJECTS = $(addprefix $(OBJECT_DIRECTORY)/, $(ASSEMBLER_SOURCE_FILENAMES:.s=.o) )

@@ -124,13 +136,13 @@ vpath %.s $(ASSEMBLER_SOURCE_PATHS)
 -include $(addprefix $(OBJECT_DIRECTORY)/, $(COBJS:.o=.d))

 

 ### Targets

-# debug:    OUTPUT_FILENAME:=$(OUTPUT_FILENAME)-debug
+# debug:    OUTPUT_FILENAME:=$(OUTPUT_FILENAME)-debug

 debug:    CFLAGS += -DDEBUG -g3 -O0

 debug:    ASMFLAGS += -DDEBUG -g3 -O0

 debug:    $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex

 

 .PHONY: release

-# release:  OUTPUT_FILENAME:=$(OUTPUT_FILENAME)-release
+# release:  OUTPUT_FILENAME:=$(OUTPUT_FILENAME)-release

 release:  CFLAGS += -DNDEBUG -O3

 release:  ASMFLAGS += -DNDEBUG -O3

 release:  $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex

@@ -187,13 +199,14 @@ sleep 500 \n\
 r \n\

 q \n\

   " \

-    > $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink 

+    > $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink

 

-erase_all: $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink 

+erase_all: $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink

 	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink; [ "$$?" -eq 1 ]

 

 $(OUTPUT_BINARY_DIRECTORY)/softdevice.bin: $(BUILD_DIRECTORIES)

-	$(OBJCOPY) -I ihex -O binary $(SOFTDEVICE_HEX_PATH) $(OUTPUT_BINARY_DIRECTORY)/softdevice.bin

+		$(OBJCOPY) -I ihex -O binary $(SOFTDEVICE_HEX_PATH) $(OUTPUT_BINARY_DIRECTORY)/softdevice.bin

+	endif

 

 $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink: $(BUILD_DIRECTORIES)

 	echo " \n\

@@ -214,7 +227,6 @@ r \n\
 qc \n\

 " > $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink

 

-

 flash_softdevice: $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink $(OUTPUT_BINARY_DIRECTORY)/softdevice.bin

 	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink; [ "$$?" -eq 1 ]

 

@@ -235,7 +247,7 @@ w4 0x4001e504,2 # enable erase \n\
         page=`expr $$page + 1`; \

         startaddr=`expr $$startaddr + 1024`; \

         starthexaddr=`printf "0x%x" $$startaddr`; \

-    done 

+    done

 	echo "sleep 1000 \n\

 r \n\

 w4 0x4001e504,1  # enable write \n\

@@ -261,29 +273,41 @@ $(OUTPUT_BINARY_DIRECTORY)/pinreset.jlink: $(BUILD_DIRECTORIES)
 

 pin-reset: $(OUTPUT_BINARY_DIRECTORY)/pinreset.jlink

 	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/pinreset.jlink; [ "$$?" -eq 1 ]

-
-START_GDB_SERVER_SCRIPT=$(OUTPUT_BINARY_DIRECTORY)/start_gdbserver.sh
-$(START_GDB_SERVER_SCRIPT): $(BUILD_DIRECTORIES)
-	echo "JLinkGDBServer -if swd -device nrf51822 -LocalHostOnly" > $(START_GDB_SERVER_SCRIPT)
-
-gdbserver: $(START_GDB_SERVER_SCRIPT)
-	/bin/sh $(START_GDB_SERVER_SCRIPT)
-
-GDB_COMMAND_SCRIPT=$(OUTPUT_BINARY_DIRECTORY)/gdbinit
-$(GDB_COMMAND_SCRIPT): debug
-	echo " \n\
-        target remote localhost:2331    \n\
-        mon flash breakpoints = 1       \n\
-        monitor reset                   \n\
-        file $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out  \n\
-        load                            \n\
-        b main                          \n\
-        b app_error_handler             \n\
-        monitor reset                   \n\
-        continue" >> $(GDB_COMMAND_SCRIPT)
-
-gdb: $(GDB_COMMAND_SCRIPT) debug
-	arm-none-eabi-gdb -x $(GDB_COMMAND_SCRIPT)
-
-serial:
-	screen /dev/cu.usbmodem1411 38400
+

+START_GDB_SERVER_SCRIPT=$(OUTPUT_BINARY_DIRECTORY)/start_gdbserver.sh

+$(START_GDB_SERVER_SCRIPT): $(BUILD_DIRECTORIES)

+	echo "JLinkGDBServer -if swd -device nrf51822 -LocalHostOnly" > $(START_GDB_SERVER_SCRIPT)

+

+gdbserver: $(START_GDB_SERVER_SCRIPT)

+	/bin/sh $(START_GDB_SERVER_SCRIPT)

+

+GDB_COMMAND_SCRIPT=$(OUTPUT_BINARY_DIRECTORY)/gdbinit

+$(GDB_COMMAND_SCRIPT): debug

+	echo " \n\

+        target remote localhost:2331    \n\

+        mon flash breakpoints = 1       \n\

+        monitor reset                   \n\

+        file $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out  \n\

+        load                            \n\

+        b main                          \n\

+        b app_error_handler             \n\

+        monitor reset                   \n\

+        continue" >> $(GDB_COMMAND_SCRIPT)

+

+gdb: $(GDB_COMMAND_SCRIPT) debug

+	arm-none-eabi-gdb -x $(GDB_COMMAND_SCRIPT)

+

+serial:

+	screen /dev/cu.usbmodem1411 38400

+

+openocd_flash: $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin

+	$(OPENOCD) $(OPENOCD_ARGS) -c "program $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin verify $(STARTADDRESS)"

+

+openocd_flash_softdevice6: $(OUTPUT_BINARY_DIRECTORY)/softdevice_main.bin $(OUTPUT_BINARY_DIRECTORY)/softdevice_uicr.bin

+	$(OPENOCD) -c"init; reset halt; nrf51 mass_erase; flash write_image $(OUTPUT_BINARY_DIRECTORY)/softdevice_uicr.bin 0x10001000; flash write_image $(OUTPUT_BINARY_DIRECTORY)/softdevice_main.bin 0; verify_image $(OUTPUT_BINARY_DIRECTORY)/softdevice_uicr.bin 0x10001000; verify_image $(OUTPUT_BINARY_DIRECTORY)/softdevice_main.bin 0; reset; shutdown"

+

+$(OUTPUT_BINARY_DIRECTORY)/softdevice_uicr.bin: $(SOFTDEVICE_HEX_PATH)  $(BUILD_DIRECTORIES)

+	$(OBJCOPY) -Iihex -Obinary --only-section .sec3 $< $@

+

+$(OUTPUT_BINARY_DIRECTORY)/softdevice_main.bin: $(SOFTDEVICE_HEX_PATH)  $(BUILD_DIRECTORIES)

+	$(OBJCOPY) -Iihex -Obinary --remove-section .sec3 $< $@

diff --git a/Makefile.template b/Makefile.template
index 5d57cbd..15a1713 100644
--- a/Makefile.template
+++ b/Makefile.template
@@ -6,12 +6,15 @@ DEVICE_VARIANT := xxaa
 #DEVICE_VARIANT := xxab

 

 USE_SOFTDEVICE := S110

-#USE_SOFTDEVICE := S210

-

-HOME = /Users/hongbo.yang/

-SDK_PATH = $(HOME)Developer/prjs/embeded/nrf/nrf51_sdk_v6_0_0_43681/nrf51822/

-SOFTDEVICE_HEX_PATH = $(HOME)Developer/prjs/embeded/nrf/s110_nrf51822_7.0.0/s110_nrf51822_7.0.0_softdevice.hex

-BUILD_SCRIPTS_PATH = $(HOME)Developer/prjs/embeded/prjs/nrf51822/build_scripts/

+#USE_SOFTDEVICE := S120

+#USE_SOFTDEVICE := S110-sd6

+#USE_SOFTDEVICE := S120-sd6

+

+HOME = ~

+SDK_PATH = $(HOME)/nRF51_SDK_v6.0.0.43681/Nordic/nrf51822

+SOFTDEVICE_HEX_PATH = $(HOME)/s110_nrf51822_7_0_0/s110_nrf51822_7.0.0_softdevice.hex

+#SOFTDEVICE_HEX_PATH = $(HOME)/s110_nrf51822_6_0_0/s110_nrf51822_6.0.0_softdevice.hex

+BUILD_SCRIPTS_PATH = $(HOME)/F2FS/nrf51822-macosx-build-scripts

 TEMPLATE_PATH = $(BUILD_SCRIPTS_PATH)

 

 # CFLAGS += -DBLE_STACK_SUPPORT_REQD

@@ -107,5 +110,5 @@ endif
 

 OUTPUT_FILENAME := main

 

-include $(TEMPLATE_PATH)Makefile.common

+include $(TEMPLATE_PATH)/Makefile.common

 

diff --git a/gcc_nrf51_s110-sd6_xxaa.ld b/gcc_nrf51_s110-sd6_xxaa.ld
new file mode 100644
index 0000000..ac2bf9e
--- /dev/null
+++ b/gcc_nrf51_s110-sd6_xxaa.ld
@@ -0,0 +1,10 @@
+/* Linker script to configure memory regions. */

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x14000, LENGTH = 0x2C000 /* 80 kB is taken by S110, 176 kB available for application. */

+  RAM (rwx) : ORIGIN = 0x20002000, LENGTH = 0x2000 /* 8 kB, 8 kB is taken by S110. */

+}

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_s110-sd6_xxab.ld b/gcc_nrf51_s110-sd6_xxab.ld
new file mode 100644
index 0000000..e59c48d
--- /dev/null
+++ b/gcc_nrf51_s110-sd6_xxab.ld
@@ -0,0 +1,10 @@
+/* Linker script to configure memory regions. */

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x14000, LENGTH = 0xC000 /* 80 kB is taken by S110, 48 kB available for application. */

+  RAM (rwx) : ORIGIN = 0x20002000, LENGTH = 0x2000 /* 8 kB, 8 kB is taken by S110. */

+}

+INCLUDE "gcc_nrf51_common.ld"