-/* serial communication */
-#ifdef XPAR_UARTLITE_0_BASEADDR
-#define CONFIG_XILINX_UARTLITE
-#define CONFIG_SERIAL_BASE XPAR_UARTLITE_0_BASEADDR
-#define CONFIG_BAUDRATE XPAR_UARTLITE_0_BAUDRATE
-#define CONFIG_SYS_BAUDRATE_TABLE { CONFIG_BAUDRATE }
-#else
-#ifdef XPAR_UARTNS550_0_BASEADDR
-#define CONFIG_SYS_NS16550
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE 4
-#define CONFIG_CONS_INDEX 1
-#define CONFIG_SYS_NS16550_COM1 XPAR_UARTNS550_0_BASEADDR
-#define CONFIG_SYS_NS16550_CLK XPAR_UARTNS550_0_CLOCK_FREQ_HZ