add support for the QMTech ATMSAME70N19A board

hw/bsp/same70_qmtech/board.mk

@@ -0,0 +1,56 @@
+DEPS_SUBMODULES += hw/mcu/microchip
+
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m7 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -D__SAME70N19B__ \
+  -DCFG_TUSB_MCU=OPT_MCU_SAMX7X
+
+# suppress following warnings from mcu driver
+CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align
+
+ASF_DIR = hw/mcu/microchip/same70
+
+# All source paths should be relative to the top level.
+LD_FILE = $(ASF_DIR)/same70b/gcc/gcc/same70q21b_flash.ld
+
+SRC_C += \
+	src/portable/microchip/samx7x/dcd_samx7x.c \
+	$(ASF_DIR)/same70b/gcc/gcc/startup_same70q21b.c \
+	$(ASF_DIR)/same70b/gcc/system_same70q21b.c \
+	$(ASF_DIR)/hpl/core/hpl_init.c \
+	$(ASF_DIR)/hpl/usart/hpl_usart.c \
+	$(ASF_DIR)/hpl/pmc/hpl_pmc.c \
+	$(ASF_DIR)/hal/src/hal_usart_async.c \
+	$(ASF_DIR)/hal/src/hal_io.c \
+	$(ASF_DIR)/hal/src/hal_atomic.c \
+	$(ASF_DIR)/hal/utils/src/utils_ringbuffer.c
+
+INC += \
+  $(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(ASF_DIR) \
+	$(TOP)/$(ASF_DIR)/config \
+	$(TOP)/$(ASF_DIR)/same70b/include \
+	$(TOP)/$(ASF_DIR)/hal/include \
+	$(TOP)/$(ASF_DIR)/hal/utils/include \
+	$(TOP)/$(ASF_DIR)/hpl/core \
+	$(TOP)/$(ASF_DIR)/hpl/pio \
+	$(TOP)/$(ASF_DIR)/hpl/pmc \
+	$(TOP)/$(ASF_DIR)/hri \
+	$(TOP)/$(ASF_DIR)/CMSIS/Core/Include
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM7
+
+# For flash-jlink target
+JLINK_DEVICE = SAME70N19B
+
+# flash using edbg from https://github.com/ataradov/edbg
+# Note: SAME70's GPNVM1 must be set to 1 to boot from flash with
+# 	edbg -t same70 -F w0,1,1
+flash: $(BUILD)/$(PROJECT).bin
+	edbg --verbose -t same70 -pv -f $<