#include "config.h"
#define UART0_BASE (IO_BASE | 0x201000)
-#define UART0_REG(x) *(volatile uint32_t*)(UART0_BASE | (x))
+#define UART0_REG(x) (*(volatile uint32_t*)(UART0_BASE | (x)))
#define REG_DR UART0_REG(0x00) /* data register */
#define REG_RSRECR UART0_REG(0x04) /* receive status & error clear */