Add [bootloader_zevero_sd_m1284p_make] bootloader prj

bootloader_zevero_sd_m1284p_make/Makefile

@@ -0,0 +1,70 @@
+#------------------------------------------------------------------
+# Makefile for stand-alone MMC boot strap loader
+#------------------------------------------------------------------
+# Change these defs for the target device
+
+MCU_TARGET    = atmega1284p # Target device to be used (32K or larger)
+BOOT_ADR      = 0x1F000 # Boot loader start address [byte] NOT [word] as in http://eleccelerator.com/fusecalc/fusecalc.php?chip=atmega1284p
+F_CPU         = 16000000  # CPU clock frequency [Hz] NOT critical: it just should be higher than the actual Hz 
+SD_CS_PORT    = PORTB # Data Register of the SD CS pin
+SD_CS_DDR     = DDRB # Data Direction Register of the SD CS pin
+SD_CS_BIT     = 0 # Bit of the SD CS pin
+USE_LED       = 1 # Debug with two (defined in asmfunc.S)
+USE_UART      = 0 # Debug on Serial. 0 ... deactivate or divider of http://wormfood.net/avrbaudcalc.php for baud rate!
+#------------------------------------------------------------------
+ifeq ($(strip $(USE_UART)),0)
+CSRC        = main.c pff/src/pff.c diskio.c
+else
+CSRC        = main.c pff/src/pff.c diskio.c uart/uart.c
+endif
+
+TARGET      = avr_boot
+ASRC        = asmfunc.S
+OPTIMIZE    = -Os -mcall-prologues -ffunction-sections -fdata-sections
+DEFS        = -DBOOT_ADR=$(BOOT_ADR) -DF_CPU=$(F_CPU) -DUSE_LED=$(USE_LED) -DUSE_UART=$(USE_UART) -DSD_CS_PORT=$(SD_CS_PORT) -DSD_CS_DDR=$(SD_CS_DDR) -DSD_CS_BIT=$(SD_CS_BIT)
+LIBS        =
+DEBUG       = dwarf-2
+
+ASFLAGS     = -Wa,-adhlns=$(<:.S=.lst),-gstabs $(DEFS)
+ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
+CFLAGS      = -g$(DEBUG) -Wall $(OPTIMIZE) $(ADDED_CFLAGS) -mmcu=$(MCU_TARGET) -std=c99 $(DEFS)
+LDFLAGS     = -Wl,-Map,$(TARGET).map -Wl,--gc-sections -Wl,--section-start,.text=$(BOOT_ADR)
+OBJ         = $(CSRC:.c=.o) $(ASRC:.S=.o)
+
+CC          = avr-gcc
+OBJCOPY     = avr-objcopy
+OBJDUMP     = avr-objdump
+SIZE        = avr-size
+
+
+all:	clean $(TARGET).elf lst text bin size
+
+$(TARGET).elf: $(OBJ)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+clean:
+	rm -rf *.o $(TARGET).elf *.eps *.bak *.a *.bin
+	rm -rf pff/src/*.o uart/*.o
+	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
+	rm -rf $(TARGET).hex
+
+size: $(TARGET).elf
+	$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
+
+lst:  $(TARGET).lst
+%.lst: %.elf
+	$(OBJDUMP) -h -S $< > $@
+
+%.o : %.S
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+text: $(TARGET).hex
+%.hex: %.elf
+	$(OBJCOPY) -j .text -j .data -j .fuse -O ihex $< $@
+# --- make bin just to check size :)
+bin: $(TARGET).bin
+%.bin: %.hex
+	$(OBJCOPY) -I ihex -O binary $< $@
+
+print-%  : ; @echo $* = $($*)  #test any var with make print-XXX
+