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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | #ifndef __HD64570_H #define __HD64570_H /* SCA HD64570 register definitions - all addresses for mode 0 (8086 MPU) and 1 (64180 MPU). For modes 2 and 3, XOR the address with 0x01. Source: HD64570 SCA User's Manual */ /* SCA Control Registers */ #define LPR 0x00 /* Low Power */ /* Wait controller registers */ #define PABR0 0x02 /* Physical Address Boundary 0 */ #define PABR1 0x03 /* Physical Address Boundary 1 */ #define WCRL 0x04 /* Wait Control L */ #define WCRM 0x05 /* Wait Control M */ #define WCRH 0x06 /* Wait Control H */ #define PCR 0x08 /* DMA Priority Control */ #define DMER 0x09 /* DMA Master Enable */ /* Interrupt registers */ #define ISR0 0x10 /* Interrupt Status 0 */ #define ISR1 0x11 /* Interrupt Status 1 */ #define ISR2 0x12 /* Interrupt Status 2 */ #define IER0 0x14 /* Interrupt Enable 0 */ #define IER1 0x15 /* Interrupt Enable 1 */ #define IER2 0x16 /* Interrupt Enable 2 */ #define ITCR 0x18 /* Interrupt Control */ #define IVR 0x1A /* Interrupt Vector */ #define IMVR 0x1C /* Interrupt Modified Vector */ /* MSCI channel (port) 0 registers - offset 0x20 MSCI channel (port) 1 registers - offset 0x40 */ #define MSCI0_OFFSET 0x20 #define MSCI1_OFFSET 0x40 #define TRBL 0x00 /* TX/RX buffer L */ #define TRBH 0x01 /* TX/RX buffer H */ #define ST0 0x02 /* Status 0 */ #define ST1 0x03 /* Status 1 */ #define ST2 0x04 /* Status 2 */ #define ST3 0x05 /* Status 3 */ #define FST 0x06 /* Frame Status */ #define IE0 0x08 /* Interrupt Enable 0 */ #define IE1 0x09 /* Interrupt Enable 1 */ #define IE2 0x0A /* Interrupt Enable 2 */ #define FIE 0x0B /* Frame Interrupt Enable */ #define CMD 0x0C /* Command */ #define MD0 0x0E /* Mode 0 */ #define MD1 0x0F /* Mode 1 */ #define MD2 0x10 /* Mode 2 */ #define CTL 0x11 /* Control */ #define SA0 0x12 /* Sync/Address 0 */ #define SA1 0x13 /* Sync/Address 1 */ #define IDL 0x14 /* Idle Pattern */ #define TMC 0x15 /* Time Constant */ #define RXS 0x16 /* RX Clock Source */ #define TXS 0x17 /* TX Clock Source */ #define TRC0 0x18 /* TX Ready Control 0 */ #define TRC1 0x19 /* TX Ready Control 1 */ #define RRC 0x1A /* RX Ready Control */ #define CST0 0x1C /* Current Status 0 */ #define CST1 0x1D /* Current Status 1 */ /* Timer channel 0 (port 0 RX) registers - offset 0x60 Timer channel 1 (port 0 TX) registers - offset 0x68 Timer channel 2 (port 1 RX) registers - offset 0x70 Timer channel 3 (port 1 TX) registers - offset 0x78 */ #define TIMER0RX_OFFSET 0x60 #define TIMER0TX_OFFSET 0x68 #define TIMER1RX_OFFSET 0x70 #define TIMER1TX_OFFSET 0x78 #define TCNTL 0x00 /* Up-counter L */ #define TCNTH 0x01 /* Up-counter H */ #define TCONRL 0x02 /* Constant L */ #define TCONRH 0x03 /* Constant H */ #define TCSR 0x04 /* Control/Status */ #define TEPR 0x05 /* Expand Prescale */ /* DMA channel 0 (port 0 RX) registers - offset 0x80 DMA channel 1 (port 0 TX) registers - offset 0xA0 DMA channel 2 (port 1 RX) registers - offset 0xC0 DMA channel 3 (port 1 TX) registers - offset 0xE0 */ #define DMAC0RX_OFFSET 0x80 #define DMAC0TX_OFFSET 0xA0 #define DMAC1RX_OFFSET 0xC0 #define DMAC1TX_OFFSET 0xE0 #define BARL 0x00 /* Buffer Address L (chained block) */ #define BARH 0x01 /* Buffer Address H (chained block) */ #define BARB 0x02 /* Buffer Address B (chained block) */ #define DARL 0x00 /* RX Destination Addr L (single block) */ #define DARH 0x01 /* RX Destination Addr H (single block) */ #define DARB 0x02 /* RX Destination Addr B (single block) */ #define SARL 0x04 /* TX Source Address L (single block) */ #define SARH 0x05 /* TX Source Address H (single block) */ #define SARB 0x06 /* TX Source Address B (single block) */ #define CPB 0x06 /* Chain Pointer Base (chained block) */ #define CDAL 0x08 /* Current Descriptor Addr L (chained block) */ #define CDAH 0x09 /* Current Descriptor Addr H (chained block) */ #define EDAL 0x0A /* Error Descriptor Addr L (chained block) */ #define EDAH 0x0B /* Error Descriptor Addr H (chained block) */ #define BFLL 0x0C /* RX Receive Buffer Length L (chained block)*/ #define BFLH 0x0D /* RX Receive Buffer Length H (chained block)*/ #define BCRL 0x0E /* Byte Count L */ #define BCRH 0x0F /* Byte Count H */ #define DSR 0x10 /* DMA Status */ #define DSR_RX(node) (DSR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)) #define DSR_TX(node) (DSR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)) #define DMR 0x11 /* DMA Mode */ #define DMR_RX(node) (DMR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)) #define DMR_TX(node) (DMR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)) #define FCT 0x13 /* Frame End Interrupt Counter */ #define FCT_RX(node) (FCT + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)) #define FCT_TX(node) (FCT + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)) #define DIR 0x14 /* DMA Interrupt Enable */ #define DIR_RX(node) (DIR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)) #define DIR_TX(node) (DIR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)) #define DCR 0x15 /* DMA Command */ #define DCR_RX(node) (DCR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)) #define DCR_TX(node) (DCR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)) /* Descriptor Structure */ typedef struct { u16 cp; /* Chain Pointer */ u32 bp; /* Buffer Pointer (24 bits) */ u16 len; /* Data Length */ u8 stat; /* Status */ u8 unused2; }__attribute__ ((packed)) pkt_desc; /* Packet Descriptor Status bits */ #define ST_TX_EOM 0x80 /* End of frame */ #define ST_TX_EOT 0x01 /* End of transmition */ #define ST_RX_EOM 0x80 /* End of frame */ #define ST_RX_SHORT 0x40 /* Short frame */ #define ST_RX_ABORT 0x20 /* Abort */ #define ST_RX_RESBIT 0x10 /* Residual bit */ #define ST_RX_OVERRUN 0x08 /* Overrun */ #define ST_RX_CRC 0x04 /* CRC */ #define DIR_EOTE 0x80 /* Transfer completed */ #define DIR_EOME 0x40 /* Frame Transfer Completed (chained-block) */ #define DIR_BOFE 0x20 /* Buffer Overflow/Underflow (chained-block)*/ #define DIR_COFE 0x10 /* Counter Overflow (chained-block) */ #define DSR_EOT 0x80 /* Transfer completed */ #define DSR_EOM 0x40 /* Frame Transfer Completed (chained-block) */ #define DSR_BOF 0x20 /* Buffer Overflow/Underflow (chained-block)*/ #define DSR_COF 0x10 /* Counter Overflow (chained-block) */ #define DSR_DE 0x02 /* DMA Enable */ #define DSR_DWE 0x01 /* DMA Write Disable */ /* DMA Master Enable Register (DMER) bits */ #define DMER_DME 0x80 /* DMA Master Enable */ #define CMD_RESET 0x21 /* Reset Channel */ #define CMD_TX_ENABLE 0x02 /* Start transmitter */ #define CMD_RX_ENABLE 0x12 /* Start receiver */ #define MD0_HDLC 0x80 /* Bit-sync HDLC mode */ #define MD0_CRC_ENA 0x04 /* Enable CRC code calculation */ #define MD0_CRC_CCITT 0x02 /* CCITT CRC instead of CRC-16 */ #define MD0_CRC_PR1 0x01 /* Initial all-ones instead of all-zeros */ #define MD0_CRC_NONE 0x00 #define MD0_CRC_16_0 0x04 #define MD0_CRC_16 0x05 #define MD0_CRC_ITU_0 0x06 #define MD0_CRC_ITU 0x07 #define MD2_NRZI 0x20 /* NRZI mode */ #define MD2_LOOPBACK 0x03 /* Local data Loopback */ #define CTL_RTS 0x01 #define CTL_IDLE 0x10 /* Transmit an idle pattern */ #define CTL_UDRNC 0x20 /* Idle after CRC or FCS+flag transmition */ #define ST0_TXRDY 0x02 /* TX ready */ #define ST0_RXRDY 0x01 /* RX ready */ #define ST1_UDRN 0x80 /* MSCI TX underrun */ #define ST3_CTS 0x08 /* modem input - /CTS */ #define ST3_DCD 0x04 /* modem input - /DCD */ #define IE0_TXINT 0x80 /* TX INT MSCI interrupt enable */ #define IE1_UDRN 0x80 /* TX underrun MSCI interrupt enable */ #define DCR_ABORT 0x01 /* Software abort command */ #define DCR_CLEAR_EOF 0x02 /* Clear EOF interrupt */ /* TX and RX Clock Source - RXS and TXS */ #define CLK_LINE_RX 0x00 /* TX/RX clock line input */ #define CLK_LINE_TX 0x00 /* TX/RX line input */ #define CLK_BRG_RX 0x40 /* internal baud rate generator */ #define CLK_BRG_TX 0x40 /* internal baud rate generator */ #endif |