#define UART2_UTXD MMAP_REG32(0x43f94040)
#define UART2_USR1 MMAP_REG32(0x43f94094)
#define UART2_URXD MMAP_REG32(0x43f94000)

#define USR1_TRDY  (1<<13)
#define USR1_RRDY  (1<<9)

#define TRANSMIT_A_CHAR(x) (UART2_UTXD = x)
#define TRANSMIT_READY (UART2_USR1 & USR1_TRDY)

#define RECEIVE_READY (UART2_USR1 & USR1_RRDY)
#define RECEIVE_A_CHAR (UART2_URXD & 0xFF)

#define UART2_UBIR MMAP_REG32(0X43F940A4)
#define UART2_UBMR MMAP_REG32(0X43F940A8)