添加boot0获取唤醒源

lichee/brandy-2.0/spl/include/arch/uart.h

@@ -40,6 +40,11 @@ typedef struct serial_hw
 /* Data Length: 0 - 5bits; 1 - 6bits; 2 - 7bits; 3 - 8bit */
 #define   DLEN         3 
 
+#ifdef CFG_GET_WKSRC
+void sunxi_serial_M0_init(int uart_port, void *gpio_cfg, int gpio_max);
+int has_sunxi_serial_M0_send(unsigned char *buff, size_t len);
+int has_sunxi_serial_M0_get(unsigned char *buff, size_t len);
+#endif
 
 void sunxi_serial_init(int uart_port, void *gpio_cfg, int gpio_max);
 void sunxi_serial_putc (char c);