board/evb64260/serial.h

   1 /* serial.h - mostly useful for DUART serial_init in serial.c */
   2
   3 #ifndef __SERIAL_H__
   4 #define __SERIAL_H__
   5
   6 #if 0
   7
   8 #define B230400         1
   9 #define B115200         2
  10 #define B57600          4
  11 #define B38400          82
  12 #define B19200          163
  13 #define B9600           24
  14 #define B4800           651
  15 #define B2400           1302
  16 #define B1200           2604
  17 #define B600            5208
  18 #define B300            10417
  19 #define B150            20833
  20 #define B110            28409
  21 #define BDEFAULT        B115200
  22
  23                                 /* this stuff is important to initialize
  24                                 the DUART channels */
  25
  26 #define Scale           0x01L           /* distance between port addresses */
  27 #define COM1            0x000003f8              /* Keyboard */
  28 #define COM2            0x000002f8              /* Host */
  29
  30
  31 /* Port Definitions relative to base COM port addresses */
  32 #define DataIn  (0x00*Scale)    /* data input port */
  33 #define DataOut (0x00*Scale)    /* data output port */
  34 #define BaudLsb (0x00*Scale)    /* baud rate divisor least significant byte */
  35 #define BaudMsb (0x01*Scale)    /* baud rate divisor most significant byte */
  36 #define Ier     (0x01*Scale)    /* interrupt enable register */
  37 #define Iir     (0x02*Scale)    /* interrupt identification register */
  38 #define Lcr     (0x03*Scale)    /* line control register */
  39 #define Mcr     (0x04*Scale)    /* modem control register */
  40 #define Lsr     (0x05*Scale)    /* line status register */
  41 #define Msr     (0x06*Scale)    /* modem status register */
  42
  43 /* Bit Definitions for above ports */
  44 #define LcrDlab 0x80    /* b7:   enable baud rate divisor registers */
  45 #define LcrDflt 0x03    /* b6-0: no parity, 1 stop, 8 data */
  46
  47 #define McrRts  0x02    /* b1:  request to send (I am ready to xmit) */
  48 #define McrDtr  0x01    /* b0:  data terminal ready (I am alive ready to rcv) */
  49 #define McrDflt (McrRts|McrDtr)
  50
  51 #define LsrTxD  0x6000  /* b5: transmit holding register empty (i.e. xmit OK!)*/
  52                         /* b6: transmitter empty */
  53 #define LsrRxD  0x0100  /* b0: received data ready (i.e. got a byte!) */
  54
  55 #define MsrRi   0x0040  /* b6: ring indicator (other guy is ready to rcv) */
  56 #define MsrDsr  0x0020  /* b5: data set ready (other guy is alive ready to rcv */
  57 #define MsrCts  0x0010  /* b4: clear to send (other guy is ready to rcv) */
  58
  59 #define IerRda  0xf     /* b0: Enable received data available interrupt */
  60
  61 #endif
  62
  63 #endif /* __SERIAL_H__ */