target/linux/ifxmips/image/u-boot/files/cpu/mips/danube/asc_serial.h

   1 /* incaAscSio.h - (INCA) ASC UART tty driver header */
   2
   3 #ifndef __INCincaAscSioh
   4 #define __INCincaAscSioh
   5
   6 #include <asm/inca-ip.h>
   7
   8 /* channel operating modes */
   9 #define ASCOPT_CSIZE    0x00000003
  10 #define ASCOPT_CS7      0x00000001
  11 #define ASCOPT_CS8      0x00000002
  12 #define ASCOPT_PARENB   0x00000004
  13 #define ASCOPT_STOPB    0x00000008
  14 #define ASCOPT_PARODD   0x00000010
  15 #define ASCOPT_CREAD    0x00000020
  16
  17 #define ASC_OPTIONS             (ASCOPT_CREAD | ASCOPT_CS8)
  18
  19 /* ASC input select (0 or 1) */
  20 #define CONSOLE_TTY     0
  21
  22 /* use fractional divider for baudrate settings */
  23 #define INCAASC_USE_FDV
  24
  25 #ifdef INCAASC_USE_FDV
  26    #define INCAASC_FDV_LOW_BAUDRATE        71
  27    #define INCAASC_FDV_HIGH_BAUDRATE       453
  28 #endif /*INCAASC_USE_FDV*/
  29
  30
  31 #define INCAASC_TXFIFO_FL       1
  32 #define INCAASC_RXFIFO_FL       1
  33 #define INCAASC_TXFIFO_FULL     16
  34
  35 /* interrupt lines masks for the ASC device interrupts*/
  36 /* change these macroses if it's necessary */
  37 #define INCAASC_IRQ_LINE_ALL        0x000F0000  /* all IRQs */
  38
  39 #define INCAASC_IRQ_LINE_TIR            0x00010000      /* TIR - Tx */
  40 #define INCAASC_IRQ_LINE_RIR            0x00020000      /* RIR - Rx */
  41 #define INCAASC_IRQ_LINE_EIR            0x00040000      /* EIR - Err */
  42 #define INCAASC_IRQ_LINE_TBIR           0x00080000      /* TBIR - Tx Buf*/
  43
  44 /* interrupt controller access macros */
  45 #define ASC_INTERRUPTS_ENABLE(X)  \
  46    *((volatile unsigned int*) INCA_IP_ICU_IM2_IER) |= X;
  47 #define ASC_INTERRUPTS_DISABLE(X) \
  48    *((volatile unsigned int*) INCA_IP_ICU_IM2_IER) &= ~X;
  49 #define ASC_INTERRUPTS_CLEAR(X)   \
  50    *((volatile unsigned int*) INCA_IP_ICU_IM2_ISR) = X;
  51
  52 /* CLC register's bits and bitfields */
  53 #define ASCCLC_DISR        0x00000001
  54 #define ASCCLC_DISS        0x00000002
  55 #define ASCCLC_RMCMASK     0x0000FF00
  56 #define ASCCLC_RMCOFFSET   8
  57
  58 /* CON register's bits and bitfields */
  59 #define ASCCON_MODEMASK 0x0007
  60     #define ASCCON_M_8SYNC          0x0
  61     #define ASCCON_M_8ASYNC         0x1
  62     #define ASCCON_M_8IRDAASYNC     0x2
  63     #define ASCCON_M_7ASYNCPAR      0x3
  64     #define ASCCON_M_9ASYNC         0x4
  65     #define ASCCON_M_8WAKEUPASYNC   0x5
  66     #define ASCCON_M_8ASYNCPAR      0x7
  67 #define ASCCON_STP      0x0008
  68 #define ASCCON_REN      0x0010
  69 #define ASCCON_PEN      0x0020
  70 #define ASCCON_FEN      0x0040
  71 #define ASCCON_OEN      0x0080
  72 #define ASCCON_PE       0x0100
  73 #define ASCCON_FE       0x0200
  74 #define ASCCON_OE       0x0400
  75 #define ASCCON_FDE      0x0800
  76 #define ASCCON_ODD      0x1000
  77 #define ASCCON_BRS      0x2000
  78 #define ASCCON_LB       0x4000
  79 #define ASCCON_R        0x8000
  80
  81 /* WHBCON register's bits and bitfields */
  82 #define ASCWHBCON_CLRREN    0x0010
  83 #define ASCWHBCON_SETREN    0x0020
  84 #define ASCWHBCON_CLRPE     0x0100
  85 #define ASCWHBCON_CLRFE     0x0200
  86 #define ASCWHBCON_CLROE     0x0400
  87 #define ASCWHBCON_SETPE     0x0800
  88 #define ASCWHBCON_SETFE     0x1000
  89 #define ASCWHBCON_SETOE     0x2000
  90
  91 /* ABCON register's bits and bitfields */
  92 #define ASCABCON_ABEN       0x0001
  93 #define ASCABCON_AUREN      0x0002
  94 #define ASCABCON_ABSTEN     0x0004
  95 #define ASCABCON_ABDETEN    0x0008
  96 #define ASCABCON_FCDETEN    0x0010
  97 #define ASCABCON_EMMASK     0x0300
  98     #define ASCABCON_EMOFF          8
  99         #define ASCABCON_EM_DISAB       0x0
 100         #define ASCABCON_EM_DURAB       0x1
 101         #define ASCABCON_EM_ALWAYS      0x2
 102 #define ASCABCON_TXINV      0x0400
 103 #define ASCABCON_RXINV      0x0800
 104
 105 /* FDV register mask, offset and bitfields*/
 106 #define ASCFDV_VALUE_MASK     0x000001FF
 107
 108 /* WHBABCON register's bits and bitfields */
 109 #define ASCWHBABCON_SETABEN     0x0001
 110 #define ASCWHBABCON_CLRABEN     0x0002
 111
 112 /* ABSTAT register's bits and bitfields */
 113 #define ASCABSTAT_FCSDET    0x0001
 114 #define ASCABSTAT_FCCDET    0x0002
 115 #define ASCABSTAT_SCSDET    0x0004
 116 #define ASCABSTAT_SCCDET    0x0008
 117 #define ASCABSTAT_DETWAIT   0x0010
 118
 119 /* WHBABSTAT register's bits and bitfields */
 120 #define ASCWHBABSTAT_CLRFCSDET  0x0001
 121 #define ASCWHBABSTAT_SETFCSDET  0x0002
 122 #define ASCWHBABSTAT_CLRFCCDET  0x0004
 123 #define ASCWHBABSTAT_SETFCCDET  0x0008
 124 #define ASCWHBABSTAT_CLRSCSDET  0x0010
 125 #define ASCWHBABSTAT_SETSCSDET  0x0020
 126 #define ASCWHBABSTAT_SETSCCDET  0x0040
 127 #define ASCWHBABSTAT_CLRSCCDET  0x0080
 128 #define ASCWHBABSTAT_CLRDETWAIT 0x0100
 129 #define ASCWHBABSTAT_SETDETWAIT 0x0200
 130
 131 /* TXFCON register's bits and bitfields */
 132 #define ASCTXFCON_TXFEN         0x0001
 133 #define ASCTXFCON_TXFFLU        0x0002
 134 #define ASCTXFCON_TXTMEN        0x0004
 135 #define ASCTXFCON_TXFITLMASK    0x3F00
 136 #define ASCTXFCON_TXFITLOFF     8
 137
 138 /* RXFCON register's bits and bitfields */
 139 #define ASCRXFCON_RXFEN         0x0001
 140 #define ASCRXFCON_RXFFLU        0x0002
 141 #define ASCRXFCON_RXTMEN        0x0004
 142 #define ASCRXFCON_RXFITLMASK    0x3F00
 143 #define ASCRXFCON_RXFITLOFF     8
 144
 145 /* FSTAT register's bits and bitfields */
 146 #define ASCFSTAT_RXFFLMASK      0x003F
 147 #define ASCFSTAT_TXFFLMASK      0x3F00
 148 #define ASCFSTAT_TXFFLOFF       8
 149
 150 #define INCAASC_PMU_ENABLE(BIT) *((volatile ulong*)0xBF102000) |= (0x1 << BIT);
 151
 152 typedef  struct         /* incaAsc_t */
 153 {
 154     volatile unsigned long  asc_clc;                            /*0x0000*/
 155     volatile unsigned long  asc_pisel;                          /*0x0004*/
 156     volatile unsigned long  asc_rsvd1[2];   /* for mapping */   /*0x0008*/
 157     volatile unsigned long  asc_con;                            /*0x0010*/
 158     volatile unsigned long  asc_bg;                             /*0x0014*/
 159     volatile unsigned long  asc_fdv;                            /*0x0018*/
 160     volatile unsigned long  asc_pmw;        /* not used */      /*0x001C*/
 161     volatile unsigned long  asc_tbuf;                           /*0x0020*/
 162     volatile unsigned long  asc_rbuf;                           /*0x0024*/
 163     volatile unsigned long  asc_rsvd2[2];   /* for mapping */   /*0x0028*/
 164     volatile unsigned long  asc_abcon;                          /*0x0030*/
 165     volatile unsigned long  asc_abstat;     /* not used */      /*0x0034*/
 166     volatile unsigned long  asc_rsvd3[2];   /* for mapping */   /*0x0038*/
 167     volatile unsigned long  asc_rxfcon;                         /*0x0040*/
 168     volatile unsigned long  asc_txfcon;                         /*0x0044*/
 169     volatile unsigned long  asc_fstat;                          /*0x0048*/
 170     volatile unsigned long  asc_rsvd4;      /* for mapping */   /*0x004C*/
 171     volatile unsigned long  asc_whbcon;                         /*0x0050*/
 172     volatile unsigned long  asc_whbabcon;                       /*0x0054*/
 173     volatile unsigned long  asc_whbabstat;  /* not used */      /*0x0058*/
 174
 175 } incaAsc_t;
 176
 177 #endif /* __INCincaAscSioh */