#define US_CR_OFF 0x00000000
#define US0_CR
#define US1_CR
#define US_RSTRX 0x00000004
#define US_RSTTX 0x00000008
#define US_RXEN 0x00000010
#define US_RXDIS 0x00000020
#define US_TXEN 0x00000040
#define US_TXDIS 0x00000080
#define US_RSTSTA 0x00000100
#define US_STTBRK 0x00000200
#define US_STPBRK 0x00000400
#define US_STTTO 0x00000800
#define US_SENDA 0x00001000
#define US_MR_OFF 0x00000004
#define US0_MR
#define US1_MR
#define US_CLKS 0x00000030
#define US_CLKS_MCK 0x00000000
#define US_CLKS_MCK8 0x00000010
#define US_CLKS_SCK 0x00000020
#define US_CLKS_SLCK 0x00000030
#define US_CHRL 0x000000C0
#define US_CHRL_5 0x00000000
#define US_CHRL_6 0x00000040
#define US_CHRL_7 0x00000080
#define US_CHRL_8 0x000000C0
#define US_SYNC 0x00000100
#define US_PAR 0x00000E00
#define US_PAR_EVEN 0x00000000
#define US_PAR_ODD 0x00000200
#define US_PAR_SPACE 0x00000400
#define US_PAR_MARK 0x00000600
#define US_PAR_NO 0x00000800
#define US_PAR_MULTIDROP 0x00000C00
#define US_NBSTOP 0x00003000
#define US_NBSTOP_1 0x00000000
#define US_NBSTOP_1_5 0x00001000
#define US_NBSTOP_2 0x00002000
#define US_CHMODE 0x0000C000
#define US_CHMODE_NORMAL 0x00000000
#define US_CHMODE_AUTOMATIC_ECHO 0x00004000
#define US_CHMODE_LOCAL_LOOPBACK 0x00008000
#define US_CHMODE_REMOTE_LOOPBACK 0x0000C000
#define US_MODE9 0x00020000
#define US_CLKO 0x00040000
#define US_CSR_OFF 0x00000014
#define US0_CSR
#define US1_CSR
#define US_IER_OFF 0x00000008
#define US0_IER
#define US1_IER
#define US_IDR_OFF 0x0000000C
#define US0_IDR
#define US1_IDR
#define US_IMR_OFF 0x00000010
#define US0_IMR
#define US1_IMR
#define US_RXRDY 0x00000001
#define US_TXRDY 0x00000002
#define US_RXBRK 0x00000004
#define US_ENDRX 0x00000008
#define US_ENDTX 0x00000010
#define US_OVRE 0x00000020
#define US_FRAME 0x00000040
#define US_PARE 0x00000080
#define US_TIMEOUT 0x00000100
#define US_TXEMPTY 0x00000200
#define US_RXBUFF 0x00001000
#define AT91_US_BAUD( baud )
#define US_RHR_OFF 0x00000018
#define US0_RHR
#define US1_RHR
#define US_THR_OFF 0x0000001C
#define US0_THR
#define US1_THR
#define US_BRGR_OFF 0x00000020
#define US0_BRGR
#define US1_BRGR
#define US_RTOR_OFF 0x00000024
#define US0_RTOR
#define US1_RTOR
#define US_TTGR_OFF 0x00000028
#define US0_TTGR
#define US1_TTGR
#define US_FIDI_OFF 0x00000040
#define US0_FIDI
#define US1_FIDI
#define US_NER_OFF 0x00000044
#define US0_NER
#define US1_NER
#define US_IF_OFF 0x0000004C
#define US0_IF
#define US1_IF