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micropython/ports/alif/Makefile
Damien George ccc5935234 alif: Add initial port to Alif Ensemble MCUs. 
This commit adds the beginning of a new alif port with support for Alif
Ensemble MCUs.  See https://alifsemi.com/

Supported features of this port added by this commit:
- UART REPL.
- TinyUSB support, for REPL and MSC.
- Octal SPI flash support, for filesystem.
- machine.Pin support.

General notes about the port:
- It uses make, similar to other bare-metal ports here.
- The toolchain is the standard arm-none-eabi- toolchain.
- Flashing a board can be done using either the built-in serial bootloader,
  or JLink (both supported here).
- There are two required submodules (one for drivers/SDK, one for security
  tools), both of which are open source and on GitHub.
- No special hardware or software is needed for development, just a board
  connected over USB.

OpenMV have generously sponsored the development of this port.

Signed-off-by: Damien George <damien@micropython.org>
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-04-09 00:22:32 +10:00

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Makefile
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################################################################################
# Initial setup of Makefile environment
BOARD ?= ALIF_ENSEMBLE
BOARD_DIR ?= boards/$(BOARD)
BUILD ?= build-$(BOARD)
ifeq ($(wildcard $(BOARD_DIR)/.),)
$(error Invalid BOARD specified: $(BOARD_DIR))
endif
include ../../py/mkenv.mk
include mpconfigport.mk
include $(BOARD_DIR)/mpconfigboard.mk
# qstr definitions (must come before including py.mk)
QSTR_DEFS += qstrdefsport.h
# include py core make definitions
include $(TOP)/py/py.mk
include $(TOP)/extmod/extmod.mk
################################################################################
# Project specific settings and compiler/linker flags
CROSS_COMPILE ?= arm-none-eabi-
GIT_SUBMODULES += lib/tinyusb lib/alif_ensemble-cmsis-dfp lib/alif-security-toolkit
PORT ?= /dev/ttyACM0
ALIF_TOOLS ?= ../../lib/alif-security-toolkit/toolkit
ALIF_DFP_REL_TOP ?= lib/alif_ensemble-cmsis-dfp
ALIF_DFP_REL_HERE ?= $(TOP)/lib/alif_ensemble-cmsis-dfp
CMSIS_DIR ?= $(TOP)/lib/cmsis/inc
MCU_CORE ?= M55_HP
ALIF_CONFIG ?= mcu/$(MCU_CORE)_cfg.json
LD_FILE ?= mcu/ensemble.ld.S
INC += -I.
INC += -I$(TOP)
INC += -I$(BUILD)
INC += -I$(BOARD_DIR)
INC += -I$(CMSIS_DIR)
INC += -I$(ALIF_DFP_REL_HERE)/drivers/include/
INC += -I$(ALIF_DFP_REL_HERE)/ospi_xip/source/ospi
INC += -I$(ALIF_DFP_REL_HERE)/Device/common/config/
INC += -I$(ALIF_DFP_REL_HERE)/Device/common/include/
INC += -I$(ALIF_DFP_REL_HERE)/Device/core/$(MCU_CORE)/config/
INC += -I$(ALIF_DFP_REL_HERE)/Device/core/$(MCU_CORE)/include/
INC += -I$(ALIF_DFP_REL_HERE)/Device/$(MCU_SERIES)/$(MCU_VARIANT)/
INC += -I$(TOP)/lib/tinyusb/src
INC += -Itinyusb_port
GEN_PIN_MKPINS = mcu/make-pins.py
GEN_PIN_PREFIX = mcu/pins_prefix.c
GEN_PINS_BOARD_CSV = $(BOARD_DIR)/pins.csv
GEN_PINS_SRC = $(BUILD)/pins_board.c
GEN_PINS_HDR = $(HEADER_BUILD)/pins_board.h
CFLAGS_FPU += -mfloat-abi=hard -mfpu=fpv5-d16
CFLAGS_CORTEX_M55 += -mthumb -mcpu=cortex-m55 -mtune=cortex-m55 $(CFLAGS_FPU)
CFLAGS += $(INC) -Wall -Werror -std=c99 $(CFLAGS_CORTEX_M55) -nostdlib
CFLAGS += -Wdouble-promotion -Wfloat-conversion
CFLAGS += -fdata-sections -ffunction-sections
CFLAGS += -D$(MCU_CORE) -DCORE_$(MCU_CORE) -DALIF_CMSIS_H="\"$(MCU_CORE).h\""
ifeq ($(MICROPY_FLOAT_IMPL),float)
CFLAGS += -fsingle-precision-constant
CFLAGS += -DMICROPY_FLOAT_IMPL=MICROPY_FLOAT_IMPL_FLOAT
else
CFLAGS += -DMICROPY_FLOAT_IMPL=MICROPY_FLOAT_IMPL_DOUBLE
endif
AFLAGS = -mthumb -march=armv8.1-m.main $(CFLAGS_FPU)
LDFLAGS += -nostdlib
LDFLAGS += -T$(BUILD)/ensemble.ld -Map=$@.map --cref --gc-sections
LDFLAGS += --wrap=dcd_event_handler
# Tune for Debugging or Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -Og -ggdb3
# Disable text compression in debug builds
MICROPY_ROM_TEXT_COMPRESSION = 0
else
CFLAGS += -O2 -DNDEBUG
endif
LIBS += "$(shell $(CC) $(CFLAGS) -print-libgcc-file-name)"
JLINK_CMD = '\
ExitOnError 1\n\
Device $(JLINK_DEV)\n\
SelectInterface SWD\n\
Speed auto\n\
Connect\n\
Reset\n\
ShowHWStatus\n\
LoadFile "$(BUILD)/firmware_toc.bin",0x8057f1c0\n\
LoadFile "$(BUILD)/firmware.bin",0x80000000\n\
Reset\n\
Exit'
################################################################################
# Source files and libraries
SRC_O += \
shared/runtime/gchelper_thumb2.o
SRC_C = \
alif_flash.c \
fatfs_port.c \
machine_pin.c \
main.c \
modalif.c \
mphalport.c \
mpuart.c \
msc_disk.c \
ospi_flash.c \
pendsv.c \
usbd.c \
$(wildcard $(BOARD_DIR)/*.c)
ifeq ($(MICROPY_FLOAT_IMPL),float)
LIBM_SRC_C += $(SRC_LIB_LIBM_C)
LIBM_SRC_C += $(SRC_LIB_LIBM_SQRT_HW_C)
$(BUILD)/lib/libm/%.o: CFLAGS += -Wno-maybe-uninitialized
else
LIBM_SRC_C += $(SRC_LIB_LIBM_DBL_C)
LIBM_SRC_C += $(SRC_LIB_LIBM_DBL_SQRT_HW_C)
$(BUILD)/lib/libm_dbl/%.o: CFLAGS += -Wno-maybe-uninitialized
endif
SHARED_SRC_C += $(addprefix shared/,\
libc/string0.c \
netutils/dhcpserver.c \
netutils/netutils.c \
netutils/trace.c \
readline/readline.c \
runtime/gchelper_native.c \
runtime/interrupt_char.c \
runtime/mpirq.c \
runtime/pyexec.c \
runtime/softtimer.c \
runtime/stdout_helpers.c \
runtime/sys_stdio_mphal.c \
timeutils/timeutils.c \
tinyusb/mp_usbd.c \
tinyusb/mp_usbd_cdc.c \
tinyusb/mp_usbd_descriptor.c \
)
DRIVERS_SRC_C += $(addprefix drivers/,\
bus/softspi.c \
bus/softqspi.c \
memory/spiflash.c \
dht/dht.c \
)
TINYUSB_SRC_C += \
lib/tinyusb/src/tusb.c \
lib/tinyusb/src/class/cdc/cdc_device.c \
lib/tinyusb/src/class/msc/msc_device.c \
lib/tinyusb/src/common/tusb_fifo.c \
lib/tinyusb/src/device/usbd.c \
lib/tinyusb/src/device/usbd_control.c \
tinyusb_port/tusb_alif_dcd.c \
ALIF_SRC_C += $(addprefix $(ALIF_DFP_REL_TOP)/,\
Device/common/source/clk.c \
Device/common/source/mpu_M55.c \
Device/common/source/system_M55.c \
Device/common/source/system_utils.c \
Device/core/$(MCU_CORE)/source/startup_$(MCU_CORE).c \
drivers/source/pinconf.c \
drivers/source/uart.c \
ospi_xip/source/ospi/ospi_drv.c \
)
$(BUILD)/tinyusb_port/tusb_alif_dcd.o: CFLAGS += -Wno-unused-variable -DTUSB_ALIF_NO_IRQ_CFG=1
# List of sources for qstr extraction
SRC_QSTR += $(SRC_C) $(SHARED_SRC_C) $(GEN_PINS_SRC)
OBJ += $(PY_O)
OBJ += $(addprefix $(BUILD)/, $(SRC_O))
OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(LIBM_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SHARED_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(TINYUSB_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(ALIF_SRC_C:.c=.o))
OBJ += $(GEN_PINS_SRC:.c=.o)
################################################################################
# Main targets
.DELETE_ON_ERROR:
.PHONY: all
all: $(BUILD)/firmware_toc.bin
$(BUILD)/ensemble.ld: $(LD_FILE)
$(ECHO) "Preprocess linker script $@"
$(Q)$(CPP) -P -E $(CFLAGS) $^ > $@
$(BUILD)/firmware.elf: $(OBJ) $(BUILD)/ensemble.ld
$(ECHO) "Link $@"
$(Q)$(LD) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)
$(Q)$(SIZE) $@
$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
$(Q)$(OBJCOPY) -Obinary $^ $(BUILD)/firmware.bin
$(BUILD)/firmware_toc.bin: $(BUILD)/firmware.bin
$(Q)python $(ALIF_TOOLS)/app-gen-toc.py \
--filename $(abspath $(BUILD)/$(ALIF_TOC_CONFIG)) \
--output-dir $(BUILD) \
--firmware-dir $(BUILD) \
--output $@
.PHONY: deploy
deploy: $(BUILD)/firmware_toc.bin
$(ECHO) "Writing $< to the board"
$(Q)python $(ALIF_TOOLS)/app-write-mram.py \
--cfg-part $(ALIF_TOOLKIT_CFG_PART) \
--port $(PORT) \
--pad \
--images file:$(BUILD)/application_package.ds
.PHONY: deploy-jlink
deploy-jlink: $(BUILD)/firmware_toc.bin
$(Q)echo -e $(JLINK_CMD) | $(JLINK_EXE)
.PHONY: maintenance
maintenance:
$(Q)python $(ALIF_TOOLS)/maintenance.py \
--cfg-part $(ALIF_TOOLKIT_CFG_PART) \
--port $(PORT)
.PHONY: update-system-package
update-system-package:
$(Q)python $(ALIF_TOOLS)/updateSystemPackage.py \
--cfg-part $(ALIF_TOOLKIT_CFG_PART) \
--port $(PORT)
################################################################################
# Remaining make rules
# Use a pattern rule here so that make will only call make-pins.py once to make
# both pins_board.c and pins_board.h
$(BUILD)/%_board.c $(HEADER_BUILD)/%_board.h: $(BOARD_DIR)/%.csv $(GEN_PIN_MKPINS) $(GEN_PIN_PREFIX) | $(HEADER_BUILD)
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(GEN_PIN_MKPINS) \
--board-csv $(GEN_PINS_BOARD_CSV) \
--prefix $(GEN_PIN_PREFIX) \
--output-source $(GEN_PINS_SRC) \
--output-header $(GEN_PINS_HDR)
include $(TOP)/py/mkrules.mk
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