Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c

Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/mbed1768/board.mk b/hw/bsp/mbed1768/board.mk
new file mode 100644
index 0000000..b0d8858
--- /dev/null
+++ b/hw/bsp/mbed1768/board.mk
@@ -0,0 +1,45 @@
+DEPS_SUBMODULES += hw/mcu/nxp/lpcopen
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m3 \
+  -nostdlib \
+  -DCORE_M3 \
+  -D__USE_LPCOPEN \
+  -DCFG_TUSB_MCU=OPT_MCU_LPC175X_6X \
+  -DRTC_EV_SUPPORT=0
+
+# startup.c and lpc_types.h cause following errors
+CFLAGS += -Wno-error=strict-prototypes -Wno-error=cast-qual
+
+MCU_DIR = hw/mcu/nxp/lpcopen/lpc175x_6x/lpc_chip_175x_6x
+
+# All source paths should be relative to the top level.
+LD_FILE = hw/bsp/$(BOARD)/lpc1768.ld
+
+SRC_C += \
+	src/portable/nxp/lpc17_40/dcd_lpc17_40.c \
+	$(MCU_DIR)/../gcc/cr_startup_lpc175x_6x.c \
+	$(MCU_DIR)/src/chip_17xx_40xx.c \
+	$(MCU_DIR)/src/clock_17xx_40xx.c \
+	$(MCU_DIR)/src/gpio_17xx_40xx.c \
+	$(MCU_DIR)/src/iocon_17xx_40xx.c \
+	$(MCU_DIR)/src/sysctl_17xx_40xx.c \
+	$(MCU_DIR)/src/sysinit_17xx_40xx.c \
+	$(MCU_DIR)/src/uart_17xx_40xx.c
+
+INC += \
+	$(TOP)/$(MCU_DIR)/inc
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM3
+
+# For flash-jlink target
+JLINK_DEVICE = LPC1768
+
+# flash using pyocd 
+flash: $(BUILD)/$(PROJECT).hex
+	pyocd flash -t lpc1768 $<
+