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 */ 178