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lpc176x: Update code to use armcm_boot mechanism

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-08-21 20:27:15 -04:00
parent 6409eda058
commit 1022729a2a
9 changed files with 38 additions and 42 deletions
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34
src/lpc176x/Makefile
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@@ -3,40 +3,25 @@
# Setup the toolchain
CROSS_PREFIX=arm-none-eabi-
dirs-y += src/lpc176x src/generic
dirs-y += lib/lpc176x/device/TOOLCHAIN_GCC_ARM
dirs-y += src/lpc176x src/generic lib/lpc176x/device
CFLAGS += -mthumb -mcpu=cortex-m3
CFLAGS += -Ilib/lpc176x/device -Ilib/cmsis-core
CFLAGS += -mthumb -mcpu=cortex-m3 -Ilib/lpc176x/device -Ilib/cmsis-core
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
CFLAGS_klipper.elf += -T $(OUT)src/generic/armcm_boot.ld
$(OUT)klipper.elf: $(OUT)src/generic/armcm_boot.ld
# Add source files
src-y += lpc176x/main.c lpc176x/gpio.c
src-y += generic/armcm_boot.c generic/armcm_irq.c generic/armcm_timer.c
src-y += generic/crc16_ccitt.c
src-y += ../lib/lpc176x/device/system_LPC17xx.c
src-$(CONFIG_HAVE_GPIO_ADC) += lpc176x/adc.c
src-$(CONFIG_HAVE_GPIO_I2C) += lpc176x/i2c.c
src-$(CONFIG_HAVE_GPIO_SPI) += lpc176x/spi.c
src-y += generic/crc16_ccitt.c generic/alloc.c
src-y += generic/armcm_irq.c generic/armcm_timer.c
src-y += ../lib/lpc176x/device/system_LPC17xx.c
src-$(CONFIG_USBSERIAL) += lpc176x/usbserial.c generic/usb_cdc.c
src-$(CONFIG_SERIAL) += lpc176x/serial.c generic/serial_irq.c
# Add assembler build rules
$(OUT)%.o: %.S
@echo " Assembling $@"
$(Q)$(AS) $< -o $@
asmsrc-y := ../lib/lpc176x/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
OBJS_klipper.elf += $(patsubst %.S, $(OUT)src/%.o,$(asmsrc-y))
# Build the linker script
$(OUT)LPC1768.ld: lib/lpc176x/device/TOOLCHAIN_GCC_ARM/LPC1768.ld $(OUT)board-link
@echo " Preprocessing $@"
$(Q)$(CPP) -P -MD -MT $@ -DMBED_APP_START=$(CONFIG_FLASH_START) -DMBED_APP_SIZE="(512K - $(CONFIG_FLASH_START))" $< -o $@
CFLAGS_klipper.elf += -T $(OUT)LPC1768.ld
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
$(OUT)klipper.elf : $(OUT)LPC1768.ld
# Build the additional bin output file
target-y += $(OUT)klipper.bin
@@ -44,6 +29,7 @@ $(OUT)klipper.bin: $(OUT)klipper.elf
@echo " Creating bin file $@"
$(Q)$(OBJCOPY) -O binary $< $@
# Flash rules
flash: $(OUT)klipper.bin
@echo " Flashing $< to $(FLASH_DEVICE)"
$(Q)$(PYTHON) ./scripts/flash_usb.py -t lpc176x -d "$(FLASH_DEVICE)" $(if $(NOSUDO),--no-sudo) $(OUT)klipper.bin