[e7ff2b2] | 1 | /* |
---|
| 2 | * This file contains the TTY driver table for the DY-4 DMV177. |
---|
| 3 | * |
---|
| 4 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997. |
---|
| 5 | * On-Line Applications Research Corporation (OAR). |
---|
| 6 | * All rights assigned to U.S. Government, 1994. |
---|
| 7 | * |
---|
| 8 | * $Id$ |
---|
| 9 | */ |
---|
| 10 | |
---|
| 11 | #include <bsp.h> |
---|
| 12 | |
---|
| 13 | #include <libchip/serial.h> |
---|
| 14 | #include <libchip/mc68681.h> |
---|
| 15 | #include <libchip/z85c30.h> |
---|
| 16 | |
---|
| 17 | /* |
---|
| 18 | * Configuration specific probe routines |
---|
| 19 | * |
---|
| 20 | * |
---|
| 21 | * NOTE: There are no DMV177 specific configuration routines. These |
---|
| 22 | * routines could be written to dynamically determine which serial |
---|
| 23 | * ports are on a board. Debugging this would require access to |
---|
| 24 | * multiple board models. |
---|
| 25 | */ |
---|
| 26 | |
---|
| 27 | /* NONE CURRENTLY PROVIDED */ |
---|
| 28 | |
---|
| 29 | /* |
---|
| 30 | * The following table configures the console drivers used in this BSP. |
---|
| 31 | * |
---|
| 32 | * The first entry which, when probed, is available, will be named /dev/console, |
---|
| 33 | * all others being given the name indicated. |
---|
| 34 | */ |
---|
| 35 | |
---|
[459c1d2] | 36 | mc68681_baud_t |
---|
| 37 | dmv177_mc68681_baud_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES] = { |
---|
| 38 | { /* ACR[7] = 0, X = 0 */ |
---|
| 39 | MC68681_BAUD_NOT_VALID, /* B0 */ |
---|
| 40 | MC68681_BAUD_NOT_VALID, /* B50 */ |
---|
| 41 | 0x01, /* B75 */ |
---|
| 42 | MC68681_BAUD_NOT_VALID, /* B110 */ |
---|
| 43 | 0x03, /* B134 */ |
---|
| 44 | MC68681_BAUD_NOT_VALID, /* B150 */ |
---|
| 45 | 0x04, /* B200 */ |
---|
| 46 | MC68681_BAUD_NOT_VALID, /* B300 */ |
---|
| 47 | MC68681_BAUD_NOT_VALID, /* B600 */ |
---|
| 48 | MC68681_BAUD_NOT_VALID, /* B1200 */ |
---|
| 49 | MC68681_BAUD_NOT_VALID, /* B1800 */ |
---|
| 50 | MC68681_BAUD_NOT_VALID, /* B2400 */ |
---|
| 51 | 0x0A, /* B4800 */ |
---|
| 52 | MC68681_BAUD_NOT_VALID, /* B9600 */ |
---|
| 53 | MC68681_BAUD_NOT_VALID, /* B19200 */ |
---|
| 54 | MC68681_BAUD_NOT_VALID, /* B38400 */ |
---|
| 55 | MC68681_BAUD_NOT_VALID, /* B57600 */ |
---|
| 56 | MC68681_BAUD_NOT_VALID, /* B115200 */ |
---|
| 57 | MC68681_BAUD_NOT_VALID, /* B230400 */ |
---|
| 58 | MC68681_BAUD_NOT_VALID /* B460800 */ |
---|
| 59 | }, |
---|
| 60 | { /* ACR[7] = 1, X = 0 */ |
---|
| 61 | MC68681_BAUD_NOT_VALID, /* B0 */ |
---|
| 62 | 0x00, /* B50 */ |
---|
| 63 | 0x01, /* B75 */ |
---|
| 64 | MC68681_BAUD_NOT_VALID, /* B110 */ |
---|
| 65 | MC68681_BAUD_NOT_VALID, /* B134 */ |
---|
| 66 | MC68681_BAUD_NOT_VALID, /* B150 */ |
---|
| 67 | 0x04, /* B200 */ |
---|
| 68 | MC68681_BAUD_NOT_VALID, /* B300 */ |
---|
| 69 | MC68681_BAUD_NOT_VALID, /* B600 */ |
---|
| 70 | 0x0A, /* B1200 */ |
---|
| 71 | MC68681_BAUD_NOT_VALID, /* B1800 */ |
---|
| 72 | MC68681_BAUD_NOT_VALID, /* B2400 */ |
---|
| 73 | MC68681_BAUD_NOT_VALID, /* B4800 */ |
---|
| 74 | MC68681_BAUD_NOT_VALID, /* B9600 */ |
---|
| 75 | MC68681_BAUD_NOT_VALID, /* B19200 */ |
---|
| 76 | MC68681_BAUD_NOT_VALID, /* B38400 */ |
---|
| 77 | MC68681_BAUD_NOT_VALID, /* B57600 */ |
---|
| 78 | MC68681_BAUD_NOT_VALID, /* B115200 */ |
---|
| 79 | MC68681_BAUD_NOT_VALID, /* B230400 */ |
---|
| 80 | MC68681_BAUD_NOT_VALID /* B460800 */ |
---|
| 81 | }, |
---|
| 82 | { /* ACR[7] = 0, X = 1 */ |
---|
| 83 | MC68681_BAUD_NOT_VALID, /* B0 */ |
---|
| 84 | 0x00, /* B50 */ |
---|
| 85 | 0x01, /* B75 */ |
---|
| 86 | MC68681_BAUD_NOT_VALID, /* B110 */ |
---|
| 87 | MC68681_BAUD_NOT_VALID, /* B134 */ |
---|
| 88 | MC68681_BAUD_NOT_VALID, /* B150 */ |
---|
| 89 | MC68681_BAUD_NOT_VALID, /* B200 */ |
---|
| 90 | MC68681_BAUD_NOT_VALID, /* B300 */ |
---|
| 91 | MC68681_BAUD_NOT_VALID, /* B600 */ |
---|
| 92 | MC68681_BAUD_NOT_VALID, /* B1200 */ |
---|
| 93 | MC68681_BAUD_NOT_VALID, /* B1800 */ |
---|
| 94 | 0x04, /* B2400 */ |
---|
| 95 | MC68681_BAUD_NOT_VALID, /* B4800 */ |
---|
| 96 | 0x05, /* B9600 */ |
---|
| 97 | 0x06, /* B19200 */ |
---|
| 98 | 0x07, /* B38400 */ |
---|
| 99 | MC68681_BAUD_NOT_VALID, /* B57600 */ |
---|
| 100 | MC68681_BAUD_NOT_VALID, /* B115200 */ |
---|
| 101 | MC68681_BAUD_NOT_VALID, /* B230400 */ |
---|
| 102 | MC68681_BAUD_NOT_VALID /* B460800 */ |
---|
| 103 | }, |
---|
| 104 | { /* ACR[7] = 1, X = 1 */ |
---|
| 105 | MC68681_BAUD_NOT_VALID, /* B0 */ |
---|
| 106 | MC68681_BAUD_NOT_VALID, /* B50 */ |
---|
| 107 | 0x01, /* B75 */ |
---|
| 108 | MC68681_BAUD_NOT_VALID, /* B110 */ |
---|
| 109 | 0x03, /* B134 */ |
---|
| 110 | MC68681_BAUD_NOT_VALID, /* B150 */ |
---|
| 111 | MC68681_BAUD_NOT_VALID, /* B200 */ |
---|
| 112 | MC68681_BAUD_NOT_VALID, /* B300 */ |
---|
| 113 | MC68681_BAUD_NOT_VALID, /* B600 */ |
---|
| 114 | MC68681_BAUD_NOT_VALID, /* B1200 */ |
---|
| 115 | MC68681_BAUD_NOT_VALID, /* B1800 */ |
---|
| 116 | 0x04, /* B2400 */ |
---|
| 117 | 0x0A, /* B4800 */ |
---|
| 118 | 0x05, /* B9600 */ |
---|
| 119 | 0x06, /* B19200 */ |
---|
| 120 | 0x07, /* B38400 */ |
---|
| 121 | MC68681_BAUD_NOT_VALID, /* B57600 */ |
---|
| 122 | MC68681_BAUD_NOT_VALID, /* B115200 */ |
---|
| 123 | MC68681_BAUD_NOT_VALID, /* B230400 */ |
---|
| 124 | MC68681_BAUD_NOT_VALID /* B460800 */ |
---|
| 125 | }, |
---|
| 126 | }; |
---|
| 127 | |
---|
| 128 | #define MC68681_PORT_CONFIG \ |
---|
| 129 | (MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED) |
---|
| 130 | |
---|
[30a3f76] | 131 | /* |
---|
| 132 | * Based on BSP configuration information decide whether to do polling IO |
---|
| 133 | * or interrupt driven IO. |
---|
| 134 | */ |
---|
| 135 | |
---|
| 136 | #if (CONSOLE_USE_INTERRUPTS) |
---|
| 137 | #define MC68681_FUNCTIONS &mc68681_fns |
---|
| 138 | #define Z85C30_FUNCTIONS &z85c30_fns |
---|
| 139 | #else |
---|
| 140 | #define MC68681_FUNCTIONS &mc68681_fns_polled |
---|
| 141 | #define Z85C30_FUNCTIONS &z85c30_fns_polled |
---|
| 142 | #endif |
---|
| 143 | |
---|
[a4d34dd2] | 144 | boolean dmv177_z85c30_probe(int minor); |
---|
[308e18c] | 145 | boolean dmv177_mc68681_probe(int minor); |
---|
[a4d34dd2] | 146 | |
---|
[e7ff2b2] | 147 | console_tbl Console_Port_Tbl[] = { |
---|
| 148 | { |
---|
| 149 | "/dev/com0", /* sDeviceName */ |
---|
[38e717f] | 150 | SERIAL_MC68681, /* deviceType */ |
---|
[30a3f76] | 151 | MC68681_FUNCTIONS, /* pDeviceFns */ |
---|
[308e18c] | 152 | dmv177_mc68681_probe, /* deviceProbe */ |
---|
[e7ff2b2] | 153 | NULL, /* pDeviceFlow */ |
---|
| 154 | 16, /* ulMargin */ |
---|
| 155 | 8, /* ulHysteresis */ |
---|
| 156 | (void *)9600, /* baud rate */ /* pDeviceParams */ |
---|
| 157 | MC68681_ADDR, /* ulCtrlPort1 */ |
---|
| 158 | MC68681_PORT1_ADDR, /* ulCtrlPort2 */ |
---|
[459c1d2] | 159 | MC68681_PORT_CONFIG, /* ulDataPort */ |
---|
[670d037] | 160 | mc68681_get_register_8, /* getRegister */ |
---|
| 161 | mc68681_set_register_8, /* setRegister */ |
---|
[e7ff2b2] | 162 | NULL, /* unused */ /* getData */ |
---|
| 163 | NULL, /* unused */ /* setData */ |
---|
[459c1d2] | 164 | (unsigned32)dmv177_mc68681_baud_table, /* ulClock */ |
---|
[e7ff2b2] | 165 | DMV170_DUART_IRQ /* ulIntVector */ |
---|
| 166 | }, |
---|
| 167 | { |
---|
| 168 | "/dev/com1", /* sDeviceName */ |
---|
[38e717f] | 169 | SERIAL_MC68681, /* deviceType */ |
---|
[30a3f76] | 170 | MC68681_FUNCTIONS, /* pDeviceFns */ |
---|
[308e18c] | 171 | dmv177_mc68681_probe, /* deviceProbe */ |
---|
[e7ff2b2] | 172 | NULL, /* pDeviceFlow */ |
---|
| 173 | 16, /* ulMargin */ |
---|
| 174 | 8, /* ulHysteresis */ |
---|
| 175 | (void *)9600, /* baud rate */ /* pDeviceParams */ |
---|
| 176 | MC68681_ADDR, /* ulCtrlPort1 */ |
---|
| 177 | MC68681_PORT2_ADDR, /* ulCtrlPort2 */ |
---|
[459c1d2] | 178 | MC68681_PORT_CONFIG, /* ulDataPort */ |
---|
[670d037] | 179 | mc68681_get_register_8, /* getRegister */ |
---|
| 180 | mc68681_set_register_8, /* setRegister */ |
---|
[e7ff2b2] | 181 | NULL, /* unused */ /* getData */ |
---|
| 182 | NULL, /* unused */ /* setData */ |
---|
[459c1d2] | 183 | (unsigned32)dmv177_mc68681_baud_table, /* ulClock */ |
---|
[e7ff2b2] | 184 | DMV170_DUART_IRQ /* ulIntVector */ |
---|
| 185 | }, |
---|
| 186 | { |
---|
| 187 | "/dev/com3", /* sDeviceName */ |
---|
[38e717f] | 188 | SERIAL_Z85C30, /* deviceType */ |
---|
[30a3f76] | 189 | Z85C30_FUNCTIONS, /* pDeviceFns */ |
---|
[a4d34dd2] | 190 | dmv177_z85c30_probe, /* deviceProbe */ |
---|
[e7ff2b2] | 191 | NULL, /* pDeviceFlow */ |
---|
| 192 | 16, /* ulMargin */ |
---|
| 193 | 8, /* ulHysteresis */ |
---|
| 194 | (void *)9600, /* baud rate */ /* pDeviceParams */ |
---|
| 195 | Z85C30_CTRL_A, /* ulCtrlPort1 */ |
---|
| 196 | Z85C30_CTRL_A, /* ulCtrlPort2 */ |
---|
[3652929e] | 197 | 0, /* ulDataPort */ |
---|
[670d037] | 198 | z85c30_get_register, /* getRegister */ |
---|
| 199 | z85c30_set_register, /* setRegister */ |
---|
[3652929e] | 200 | NULL, /* getData */ |
---|
| 201 | NULL, /* setData */ |
---|
[a4d34dd2] | 202 | 0, /* filled in by probe */ /* ulClock */ |
---|
[e7ff2b2] | 203 | DMV170_SCC_IRQ /* ulIntVector */ |
---|
| 204 | }, |
---|
| 205 | { |
---|
| 206 | "/dev/com4", /* sDeviceName */ |
---|
[38e717f] | 207 | SERIAL_Z85C30, /* deviceType */ |
---|
[30a3f76] | 208 | Z85C30_FUNCTIONS, /* pDeviceFns */ |
---|
[a4d34dd2] | 209 | dmv177_z85c30_probe, /* deviceProbe */ |
---|
[e7ff2b2] | 210 | NULL, /* pDeviceFlow */ |
---|
| 211 | 16, /* ulMargin */ |
---|
| 212 | 8, /* ulHysteresis */ |
---|
| 213 | (void *)9600, /* baud rate */ /* pDeviceParams */ |
---|
| 214 | Z85C30_CTRL_B, /* ulCtrlPort1 */ |
---|
| 215 | Z85C30_CTRL_A, /* ulCtrlPort2 */ |
---|
[3652929e] | 216 | 0, /* ulDataPort */ |
---|
[4a11d8c] | 217 | z85c30_get_register, /* getRegister */ |
---|
| 218 | z85c30_set_register, /* setRegister */ |
---|
[3652929e] | 219 | NULL, /* getData */ |
---|
| 220 | NULL, /* setData */ |
---|
[a4d34dd2] | 221 | 0, /* filled in by probe */ /* ulClock */ |
---|
[e7ff2b2] | 222 | DMV170_SCC_IRQ /* ulIntVector */ |
---|
| 223 | } |
---|
| 224 | }; |
---|
| 225 | |
---|
| 226 | /* |
---|
| 227 | * Declare some information used by the console driver |
---|
| 228 | */ |
---|
| 229 | |
---|
| 230 | #define NUM_CONSOLE_PORTS (sizeof(Console_Port_Tbl)/sizeof(console_tbl)) |
---|
| 231 | |
---|
| 232 | unsigned long Console_Port_Count = NUM_CONSOLE_PORTS; |
---|
| 233 | |
---|
| 234 | console_data Console_Port_Data[NUM_CONSOLE_PORTS]; |
---|
| 235 | |
---|
| 236 | rtems_device_minor_number Console_Port_Minor; |
---|
[a4d34dd2] | 237 | |
---|
[308e18c] | 238 | /* |
---|
| 239 | * Hopefully, by checking the card resource register, this BSP |
---|
| 240 | * will be able to operate on the DMV171, DMV176, or DMV177. |
---|
| 241 | */ |
---|
| 242 | |
---|
[a4d34dd2] | 243 | boolean dmv177_z85c30_probe(int minor) |
---|
| 244 | { |
---|
| 245 | volatile unsigned32 *dma_control_status_reg; |
---|
[c23118b] | 246 | volatile unsigned16 *card_resource_reg; |
---|
| 247 | unsigned16 v; |
---|
[308e18c] | 248 | |
---|
[c23118b] | 249 | card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG; |
---|
[308e18c] | 250 | |
---|
[c23118b] | 251 | v = *card_resource_reg & DMV170_SCC_INST_MASK; |
---|
| 252 | |
---|
| 253 | if ( v != DMV170_SCC_INSTALLED ) |
---|
[308e18c] | 254 | return FALSE; |
---|
[a4d34dd2] | 255 | |
---|
| 256 | /* |
---|
| 257 | * Figure out the clock speed of the Z85C30 SCC |
---|
| 258 | */ |
---|
| 259 | |
---|
[308e18c] | 260 | dma_control_status_reg = (volatile unsigned32 *)DMV170_DMA_CONTROL_STATUS_REG; |
---|
[a4d34dd2] | 261 | |
---|
| 262 | if ( *dma_control_status_reg & DMV170_SCC_10MHZ ) |
---|
| 263 | Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_10; |
---|
| 264 | else |
---|
| 265 | Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_2; |
---|
| 266 | |
---|
| 267 | return TRUE; |
---|
| 268 | } |
---|
[308e18c] | 269 | |
---|
| 270 | boolean dmv177_mc68681_probe(int minor) |
---|
| 271 | { |
---|
[c23118b] | 272 | volatile unsigned16 *card_resource_reg; |
---|
| 273 | unsigned16 v; |
---|
| 274 | |
---|
| 275 | card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG; |
---|
[308e18c] | 276 | |
---|
[c23118b] | 277 | v = *card_resource_reg & DMV170_DUART_INST_MASK; |
---|
[308e18c] | 278 | |
---|
[c23118b] | 279 | if ( v == DMV170_DUART_INSTALLED ) |
---|
[308e18c] | 280 | return TRUE; |
---|
| 281 | |
---|
| 282 | return FALSE; |
---|
| 283 | } |
---|