package/uboot-ifxmips/files/include/asm-mips/ifx_asc.h

   1 /*****************************************************************************
   2  * DANUBE BootROM
   3  * Copyright (c) 2005, Infineon Technologies AG, All rights reserved
   4  * IFAP DC COM SD
   5  *****************************************************************************/
   6 #ifndef __ASC_H
   7 #define __ASC_H
   8
   9 #define DANUBEASC_TXFIFO_FL                     1
  10 #define DANUBEASC_RXFIFO_FL                     1
  11 #define DANUBEASC_TXFIFO_FULL                   16
  12
  13 /* channel operating modes */
  14 #define ASCOPT_CSIZE    0x00000003
  15 #define ASCOPT_CS7      0x00000001
  16 #define ASCOPT_CS8      0x00000002
  17 #define ASCOPT_PARENB   0x00000004
  18 #define ASCOPT_STOPB    0x00000008
  19 #define ASCOPT_PARODD   0x00000010
  20 #define ASCOPT_CREAD    0x00000020
  21
  22 #define ASC_OPTIONS             (ASCOPT_CREAD | ASCOPT_CS8)
  23
  24 /* ASC input select (0 or 1) */
  25 #define CONSOLE_TTY     0
  26
  27 #define DANUBEASC_TXFIFO_FL       1
  28 #define DANUBEASC_RXFIFO_FL       1
  29 #define DANUBEASC_TXFIFO_FULL     16
  30
  31 /* interrupt lines masks for the ASC device interrupts*/
  32 /* change these macroses if it's necessary */
  33 #define DANUBEASC_IRQ_LINE_ALL        0x0000007f  /* all IRQs */
  34
  35 #define DANUBEASC_IRQ_LINE_TIR            0x00000001      /* Tx Int */
  36 #define DANUBEASC_IRQ_LINE_TBIR           0x00000002      /* Tx Buffer Int */
  37 #define DANUBEASC_IRQ_LINE_RIR            0x00000004      /* Rx Int */
  38 #define DANUBEASC_IRQ_LINE_EIR            0x00000008      /* Error Int */
  39 #define DANUBEASC_IRQ_LINE_ABSTIR         0x00000010      /* Autobaud Start Int */
  40 #define DANUBEASC_IRQ_LINE_ABDETIP        0x00000020      /* Autobaud Detection Int */
  41 #define DANUBEASC_IRQ_LINE_SFCIR          0x00000040      /* Software Flow Control Int */
  42
  43 /* interrupt controller access macros */
  44 #define ASC_INTERRUPTS_ENABLE(X)  \
  45 *((volatile unsigned int*) DANUBE_ICU_IM0_IER) |= X;
  46 #define ASC_INTERRUPTS_DISABLE(X) \
  47 *((volatile unsigned int*) DANUBE_ICU_IM0_IER) &= ~X;
  48 #define ASC_INTERRUPTS_CLEAR(X)   \
  49 *((volatile unsigned int*) DANUBE_ICU_IM0_ISR) = X;
  50
  51 /* CLC register's bits and bitfields */
  52 #define ASCCLC_DISR        0x00000001
  53 #define ASCCLC_DISS        0x00000002
  54 #define ASCCLC_RMCMASK     0x0000FF00
  55 #define ASCCLC_RMCOFFSET   8
  56
  57 /* CON register's bits and bitfields */
  58 #define ASCCON_MODEMASK 0x0000000f
  59 #define ASCCON_M_8ASYNC 0x0
  60 #define ASCCON_M_8IRDA  0x1
  61 #define ASCCON_M_7ASYNC 0x2
  62 #define ASCCON_M_7IRDA  0x3
  63 #define ASCCON_WLSMASK  0x0000000c
  64 #define ASCCON_WLSOFFSET        2
  65 #define ASCCON_WLS_8BIT 0x0
  66 #define ASCCON_WLS_7BIT 0x1
  67 #define ASCCON_PEN      0x00000010
  68 #define ASCCON_ODD      0x00000020
  69 #define ASCCON_SP       0x00000040
  70 #define ASCCON_STP      0x00000080
  71 #define ASCCON_BRS      0x00000100
  72 #define ASCCON_FDE      0x00000200
  73 #define ASCCON_ERRCLK   0x00000400
  74 #define ASCCON_EMMASK   0x00001800
  75 #define ASCCON_EMOFFSET 11
  76 #define ASCCON_EM_ECHO_OFF      0x0
  77 #define ASCCON_EM_ECHO_AB       0x1
  78 #define ASCCON_EM_ECHO_ON       0x2
  79 #define ASCCON_LB               0x00002000
  80 #define ASCCON_ACO              0x00004000
  81 #define ASCCON_R                0x00008000
  82 #define ASCCON_PAL              0x00010000
  83 #define ASCCON_FEN              0x00020000
  84 #define ASCCON_RUEN             0x00040000
  85 #define ASCCON_ROEN             0x00080000
  86 #define ASCCON_TOEN             0x00100000
  87 #define ASCCON_BEN              0x00200000
  88 #define ASCCON_TXINV            0x01000000
  89 #define ASCCON_RXINV            0x02000000
  90 #define ASCCON_TXMSB            0x04000000
  91 #define ASCCON_RXMSB            0x08000000
  92
  93 /* STATE register's bits and bitfields */
  94 #define ASCSTATE_REN            0x00000001
  95 #define ASCSTATE_PE             0x00010000
  96 #define ASCSTATE_FE             0x00020000
  97 #define ASCSTATE_RUE            0x00040000
  98 #define ASCSTATE_ROE            0x00080000
  99 #define ASCSTATE_TOE            0x00100000
 100 #define ASCSTATE_BE             0x00200000
 101 #define ASCSTATE_TXBVMASK       0x07000000
 102 #define ASCSTATE_TXBVOFFSET     24
 103 #define ASCSTATE_TXEOM          0x08000000
 104 #define ASCSTATE_RXBVMASK       0x70000000
 105 #define ASCSTATE_RXBVOFFSET     28
 106 #define ASCSTATE_RXEOM          0x80000000
 107
 108 /* WHBSTATE register's bits and bitfields */
 109 #define ASCWHBSTATE_CLRREN    0x00000001
 110 #define ASCWHBSTATE_SETREN    0x00000002
 111 #define ASCWHBSTATE_CLRPE     0x00000004
 112 #define ASCWHBSTATE_CLRFE     0x00000008
 113 #define ASCWHBSTATE_CLRRUE    0x00000010
 114 #define ASCWHBSTATE_CLRROE    0x00000020
 115 #define ASCWHBSTATE_CLRTOE    0x00000040
 116 #define ASCWHBSTATE_CLRBE     0x00000080
 117 #define ASCWHBSTATE_SETPE     0x00000100
 118 #define ASCWHBSTATE_SETFE     0x00000200
 119 #define ASCWHBSTATE_SETRUE    0x00000400
 120 #define ASCWHBSTATE_SETROE    0x00000800
 121 #define ASCWHBSTATE_SETTOE    0x00001000
 122 #define ASCWHBSTATE_SETBE     0x00002000
 123
 124 /* ABCON register's bits and bitfields */
 125 #define ASCABCON_ABEN       0x0001
 126 #define ASCABCON_AUREN      0x0002
 127 #define ASCABCON_ABSTEN     0x0004
 128 #define ASCABCON_ABDETEN    0x0008
 129 #define ASCABCON_FCDETEN    0x0010
 130
 131 /* FDV register mask, offset and bitfields*/
 132 #define ASCFDV_VALUE_MASK     0x000001FF
 133
 134 /* WHBABCON register's bits and bitfields */
 135 #define ASCWHBABCON_CLRABEN     0x0001
 136 #define ASCWHBABCON_SETABEN     0x0002
 137
 138 /* ABSTAT register's bits and bitfields */
 139 #define ASCABSTAT_FCSDET    0x0001
 140 #define ASCABSTAT_FCCDET    0x0002
 141 #define ASCABSTAT_SCSDET    0x0004
 142 #define ASCABSTAT_SCCDET    0x0008
 143 #define ASCABSTAT_DETWAIT   0x0010
 144
 145 /* WHBABSTAT register's bits and bitfields */
 146 #define ASCWHBABSTAT_CLRFCSDET  0x0001
 147 #define ASCWHBABSTAT_SETFCSDET  0x0002
 148 #define ASCWHBABSTAT_CLRFCCDET  0x0004
 149 #define ASCWHBABSTAT_SETFCCDET  0x0008
 150 #define ASCWHBABSTAT_CLRSCSDET  0x0010
 151 #define ASCWHBABSTAT_SETSCSDET  0x0020
 152 #define ASCWHBABSTAT_CLRSCCDET  0x0040
 153 #define ASCWHBABSTAT_SETSCCDET  0x0080
 154 #define ASCWHBABSTAT_CLRDETWAIT 0x0100
 155 #define ASCWHBABSTAT_SETDETWAIT 0x0200
 156
 157 /* TXFCON register's bits and bitfields */
 158 #define ASCTXFCON_TXFIFO1       0x00000400
 159 #define ASCTXFCON_TXFEN         0x0001
 160 #define ASCTXFCON_TXFFLU        0x0002
 161 #define ASCTXFCON_TXFITLMASK    0x3F00
 162 #define ASCTXFCON_TXFITLOFF     8
 163
 164 /* RXFCON register's bits and bitfields */
 165 #define ASCRXFCON_RXFIFO1       0x00000400
 166 #define ASCRXFCON_RXFEN         0x0001
 167 #define ASCRXFCON_RXFFLU        0x0002
 168 #define ASCRXFCON_RXFITLMASK    0x3F00
 169 #define ASCRXFCON_RXFITLOFF     8
 170
 171 /* FSTAT register's bits and bitfields */
 172 #define ASCFSTAT_RXFFLMASK      0x003F
 173 #define ASCFSTAT_TXFFLMASK      0x3F00
 174 #define ASCFSTAT_TXFFLOFF       8
 175
 176 typedef  struct         /* DanubeAsc_t */
 177 {
 178         volatile unsigned long  asc_clc;                            /*0x0000*/
 179         volatile unsigned long  asc_pisel;                          /*0x0004*/
 180         volatile unsigned long  asc_id;                             /*0x0008*/
 181         volatile unsigned long  asc_rsvd1[1];   /* for mapping */   /*0x000C*/
 182         volatile unsigned long  asc_con;                           /*0x0010*/
 183         volatile unsigned long  asc_state;                          /*0x0014*/
 184         volatile unsigned long  asc_whbstate;                       /*0x0018*/
 185         volatile unsigned long  asc_rsvd2[1];   /* for mapping */   /*0x001C*/
 186         volatile unsigned long  asc_tbuf;                           /*0x0020*/
 187         volatile unsigned long  asc_rbuf;                           /*0x0024*/
 188         volatile unsigned long  asc_rsvd3[2];   /* for mapping */   /*0x0028*/
 189         volatile unsigned long  asc_abcon;                          /*0x0030*/
 190         volatile unsigned long  asc_abstat;     /* not used */      /*0x0034*/
 191         volatile unsigned long  asc_whbabcon;                       /*0x0038*/
 192         volatile unsigned long  asc_whbabstat;  /* not used */      /*0x003C*/
 193         volatile unsigned long  asc_rxfcon;                         /*0x0040*/
 194         volatile unsigned long  asc_txfcon;                         /*0x0044*/
 195         volatile unsigned long  asc_fstat;                          /*0x0048*/
 196         volatile unsigned long  asc_rsvd4[1];   /* for mapping */   /*0x004C*/
 197         volatile unsigned long  asc_bg;                             /*0x0050*/
 198         volatile unsigned long  asc_bg_timer;                       /*0x0054*/
 199         volatile unsigned long  asc_fdv;                            /*0x0058*/
 200         volatile unsigned long  asc_pmw;                            /*0x005C*/
 201         volatile unsigned long  asc_modcon;                         /*0x0060*/
 202         volatile unsigned long  asc_modstat;                        /*0x0064*/
 203         volatile unsigned long  asc_rsvd5[2];   /* for mapping */   /*0x0068*/
 204         volatile unsigned long  asc_sfcc;                           /*0x0070*/
 205         volatile unsigned long  asc_rsvd6[3];   /* for mapping */   /*0x0074*/
 206         volatile unsigned long  asc_eomcon;                         /*0x0080*/
 207         volatile unsigned long  asc_rsvd7[26];   /* for mapping */  /*0x0084*/
 208         volatile unsigned long  asc_dmacon;                         /*0x00EC*/
 209         volatile unsigned long  asc_rsvd8[1];   /* for mapping */   /*0x00F0*/
 210         volatile unsigned long  asc_irnen;                          /*0x00F4*/
 211         volatile unsigned long  asc_irnicr;                         /*0x00F8*/
 212         volatile unsigned long  asc_irncr;                          /*0x00FC*/
 213 } DanubeAsc_t;
 214
 215 int asc_init (void);
 216 void asc_puts (const char *s);
 217 void asc_putc (const char c);
 218 int asc_getc (void);
 219
 220 #endif /* __ASC_H */