| 1 |
/* |
| 2 |
* Cisco router simulation platform. |
| 3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
| 4 |
* |
| 5 |
* TODO: Online Insertion/Removal (OIR). |
| 6 |
*/ |
| 7 |
|
| 8 |
#include <stdio.h> |
| 9 |
#include <stdlib.h> |
| 10 |
#include <string.h> |
| 11 |
#include <unistd.h> |
| 12 |
#include <sys/types.h> |
| 13 |
#include <termios.h> |
| 14 |
#include <fcntl.h> |
| 15 |
#include <pthread.h> |
| 16 |
|
| 17 |
#include "ptask.h" |
| 18 |
#include "cpu.h" |
| 19 |
#include "vm.h" |
| 20 |
#include "dynamips.h" |
| 21 |
#include "memory.h" |
| 22 |
#include "device.h" |
| 23 |
#include "dev_vtty.h" |
| 24 |
#include "nmc93cX6.h" |
| 25 |
#include "dev_c3600.h" |
| 26 |
|
| 27 |
/* Debugging flags */ |
| 28 |
#define DEBUG_UNKNOWN 1 |
| 29 |
#define DEBUG_ACCESS 0 |
| 30 |
#define DEBUG_NET_IRQ 0 |
| 31 |
|
| 32 |
/* Definitions for Mainboard EEPROM */ |
| 33 |
#define EEPROM_MB_DOUT 3 |
| 34 |
#define EEPROM_MB_DIN 2 |
| 35 |
#define EEPROM_MB_CLK 1 |
| 36 |
#define EEPROM_MB_CS 0 |
| 37 |
|
| 38 |
/* Definitions for Network Modules EEPROM */ |
| 39 |
#define EEPROM_NM_DOUT 7 |
| 40 |
#define EEPROM_NM_DIN 6 |
| 41 |
#define EEPROM_NM_CLK 2 |
| 42 |
#define EEPROM_NM_CS 4 |
| 43 |
|
| 44 |
/* Network IRQ distribution */ |
| 45 |
struct net_irq_distrib { |
| 46 |
u_int c3620_c3640_offset; |
| 47 |
u_int c3660_reg; |
| 48 |
u_int c3660_offset; |
| 49 |
}; |
| 50 |
|
| 51 |
/* |
| 52 |
* Network IRQ distribution for c3620/c3640 |
| 53 |
* |
| 54 |
* Slot 0 | 3620/3640: reg 0x20001 | 3660: reg 0x20010, offset 0 |
| 55 |
* Slot 1 | 3620/3640: reg 0x20000 | 3660: reg 0x10010, offset 24 |
| 56 |
* Slot 2 | 3640 : reg 0x20003 | 3660: reg 0x10010, offset 16 |
| 57 |
* Slot 3 | 3640 : reg 0x20002 | 3660: reg 0x10010, offset 28 |
| 58 |
* Slot 4 | 3620/3640: N/A | 3660: reg 0x10010, offset 20 |
| 59 |
* Slot 5 | 3620/3640: N/A | 3660: reg 0x10010, offset 8 |
| 60 |
* Slot 6 | 3620/3640: N/A | 3660: reg 0x10010, offset 0 |
| 61 |
*/ |
| 62 |
static struct net_irq_distrib net_irq_dist[C3600_MAX_NM_BAYS] = { |
| 63 |
{ 16, 1, 0 }, |
| 64 |
{ 24, 0, 24 }, |
| 65 |
{ 0, 0, 16 }, |
| 66 |
{ 8, 0, 28 }, |
| 67 |
{ 32, 0, 20 }, |
| 68 |
{ 32, 0, 8 }, |
| 69 |
{ 32, 0, 0 }, |
| 70 |
}; |
| 71 |
|
| 72 |
/* IO FPGA structure */ |
| 73 |
struct c3600_iofpga_data { |
| 74 |
vm_obj_t vm_obj; |
| 75 |
struct vdevice dev; |
| 76 |
c3600_t *router; |
| 77 |
|
| 78 |
/* Network IRQ status */ |
| 79 |
m_uint32_t net_irq_status[2]; |
| 80 |
|
| 81 |
/* Slot select for EEPROM access */ |
| 82 |
u_int eeprom_slot; |
| 83 |
|
| 84 |
/* IO Mask. Don't know the meaning */ |
| 85 |
m_uint8_t io_mask; |
| 86 |
|
| 87 |
m_uint16_t sel; |
| 88 |
}; |
| 89 |
|
| 90 |
/* Mainboard EEPROM definition */ |
| 91 |
static const struct nmc93cX6_eeprom_def eeprom_mb_def = { |
| 92 |
EEPROM_MB_CLK, EEPROM_MB_CS, |
| 93 |
EEPROM_MB_DIN, EEPROM_MB_DOUT, |
| 94 |
}; |
| 95 |
|
| 96 |
/* Mainboard EEPROM */ |
| 97 |
static const struct nmc93cX6_group eeprom_mb_group = { |
| 98 |
EEPROM_TYPE_NMC93C46, 1, 0, "Mainboard EEPROM", 0, { &eeprom_mb_def }, |
| 99 |
}; |
| 100 |
|
| 101 |
/* NM EEPROM definition */ |
| 102 |
static const struct nmc93cX6_eeprom_def eeprom_nm_def = { |
| 103 |
EEPROM_NM_CLK, EEPROM_NM_CS, |
| 104 |
EEPROM_NM_DIN, EEPROM_NM_DOUT, |
| 105 |
}; |
| 106 |
|
| 107 |
/* NM EEPROM */ |
| 108 |
static const struct nmc93cX6_group eeprom_nm_group = { |
| 109 |
EEPROM_TYPE_NMC93C46, 1, 0, "NM EEPROM", 0, { &eeprom_nm_def }, |
| 110 |
}; |
| 111 |
|
| 112 |
/* C3660 NM presence masks */ |
| 113 |
static const m_uint16_t c3660_nm_masks[6] = { |
| 114 |
0xF0FF, /* slot 1 */ |
| 115 |
0xFFF0, /* slot 2 */ |
| 116 |
0x0FFF, /* slot 3 */ |
| 117 |
0xFF0F, /* slot 4 */ |
| 118 |
0xF0FF, /* slot 5 */ |
| 119 |
0xFFF0, /* slot 6 */ |
| 120 |
}; |
| 121 |
|
| 122 |
/* Select the current NM EEPROM */ |
| 123 |
static void nm_eeprom_select(struct c3600_iofpga_data *d,u_int slot) |
| 124 |
{ |
| 125 |
d->router->nm_eeprom_group.eeprom[0] = &d->router->nm_bay[slot].eeprom; |
| 126 |
} |
| 127 |
|
| 128 |
/* Return the NM status register given the detected EEPROM (3620/3640) */ |
| 129 |
static u_int nm_get_status_1(struct c3600_iofpga_data *d) |
| 130 |
{ |
| 131 |
u_int res = 0xFFFF; |
| 132 |
int i; |
| 133 |
|
| 134 |
for(i=0;i<4;i++) { |
| 135 |
if (c3600_nm_check_eeprom(d->router,i)) |
| 136 |
res &= ~(0x1111 << i); |
| 137 |
} |
| 138 |
|
| 139 |
return(res); |
| 140 |
} |
| 141 |
|
| 142 |
/* Return the NM status register given the detected EEPROM (3660) */ |
| 143 |
static u_int nm_get_status_2(struct c3600_iofpga_data *d,u_int pos) |
| 144 |
{ |
| 145 |
u_int res = 0xFFFF; |
| 146 |
u_int start,end; |
| 147 |
int i; |
| 148 |
|
| 149 |
switch(pos) { |
| 150 |
case 0: /* word 0: slot 1 - 4 */ |
| 151 |
start = 1; |
| 152 |
end = 4; |
| 153 |
break; |
| 154 |
case 1: /* word 1: slot 5 - 6 */ |
| 155 |
start = 5; |
| 156 |
end = 6; |
| 157 |
break; |
| 158 |
default: |
| 159 |
return(res); |
| 160 |
} |
| 161 |
|
| 162 |
for(i=start;i<=end;i++) { |
| 163 |
if (c3600_nm_check_eeprom(d->router,i)) |
| 164 |
res &= c3660_nm_masks[i-1]; |
| 165 |
} |
| 166 |
|
| 167 |
return(res); |
| 168 |
} |
| 169 |
|
| 170 |
/* Update network interrupt status */ |
| 171 |
static inline void |
| 172 |
dev_c3620_c3640_iofpga_net_update_irq(struct c3600_iofpga_data *d) |
| 173 |
{ |
| 174 |
if (d->net_irq_status[0]) { |
| 175 |
vm_set_irq(d->router->vm,C3600_NETIO_IRQ); |
| 176 |
} else { |
| 177 |
vm_clear_irq(d->router->vm,C3600_NETIO_IRQ); |
| 178 |
} |
| 179 |
} |
| 180 |
|
| 181 |
static inline void |
| 182 |
dev_c3660_iofpga_net_update_irq(struct c3600_iofpga_data *d) |
| 183 |
{ |
| 184 |
if (d->net_irq_status[0] || d->net_irq_status[1]) { |
| 185 |
vm_set_irq(d->router->vm,C3600_NETIO_IRQ); |
| 186 |
} else { |
| 187 |
vm_clear_irq(d->router->vm,C3600_NETIO_IRQ); |
| 188 |
} |
| 189 |
} |
| 190 |
|
| 191 |
/* Trigger a Network IRQ for the specified slot/port */ |
| 192 |
void dev_c3600_iofpga_net_set_irq(struct c3600_iofpga_data *d, |
| 193 |
u_int slot,u_int port) |
| 194 |
{ |
| 195 |
struct net_irq_distrib *irq_dist; |
| 196 |
|
| 197 |
#if DEBUG_NET_IRQ |
| 198 |
vm_log(d->router->vm,"IO_FPGA","setting NetIRQ for slot %u port %u\n", |
| 199 |
slot,port); |
| 200 |
#endif |
| 201 |
|
| 202 |
irq_dist = &net_irq_dist[slot]; |
| 203 |
|
| 204 |
switch(c3600_chassis_get_id(d->router)) { |
| 205 |
case 3620: |
| 206 |
case 3640: |
| 207 |
d->net_irq_status[0] |= (1 << (irq_dist->c3620_c3640_offset + port)); |
| 208 |
dev_c3620_c3640_iofpga_net_update_irq(d); |
| 209 |
break; |
| 210 |
case 3660: |
| 211 |
d->net_irq_status[irq_dist->c3660_reg] |= |
| 212 |
(1 << (irq_dist->c3660_offset + port)); |
| 213 |
dev_c3660_iofpga_net_update_irq(d); |
| 214 |
break; |
| 215 |
} |
| 216 |
} |
| 217 |
|
| 218 |
/* Clear a Network IRQ for the specified slot/port */ |
| 219 |
void dev_c3600_iofpga_net_clear_irq(struct c3600_iofpga_data *d, |
| 220 |
u_int slot,u_int port) |
| 221 |
{ |
| 222 |
struct net_irq_distrib *irq_dist; |
| 223 |
|
| 224 |
#if DEBUG_NET_IRQ |
| 225 |
vm_log(d->router->vm,"IO_FPGA","clearing NetIRQ for slot %u port %u\n", |
| 226 |
slot,port); |
| 227 |
#endif |
| 228 |
|
| 229 |
irq_dist = &net_irq_dist[slot]; |
| 230 |
|
| 231 |
switch(c3600_chassis_get_id(d->router)) { |
| 232 |
case 3620: |
| 233 |
case 3640: |
| 234 |
d->net_irq_status[0] &= ~(1 << (irq_dist->c3620_c3640_offset + port)); |
| 235 |
dev_c3620_c3640_iofpga_net_update_irq(d); |
| 236 |
break; |
| 237 |
case 3660: |
| 238 |
d->net_irq_status[irq_dist->c3660_reg] &= |
| 239 |
~(1 << (irq_dist->c3660_offset + port)); |
| 240 |
dev_c3660_iofpga_net_update_irq(d); |
| 241 |
break; |
| 242 |
} |
| 243 |
} |
| 244 |
|
| 245 |
/* |
| 246 |
* dev_c3620_c3640_iofpga_access() |
| 247 |
*/ |
| 248 |
static void * |
| 249 |
dev_c3620_c3640_iofpga_access(cpu_gen_t *cpu,struct vdevice *dev, |
| 250 |
m_uint32_t offset,u_int op_size,u_int op_type, |
| 251 |
m_uint64_t *data) |
| 252 |
{ |
| 253 |
struct c3600_iofpga_data *d = dev->priv_data; |
| 254 |
|
| 255 |
if (op_type == MTS_READ) |
| 256 |
*data = 0x0; |
| 257 |
|
| 258 |
#if DEBUG_ACCESS |
| 259 |
if (offset != 0x0c) { |
| 260 |
if (op_type == MTS_READ) { |
| 261 |
cpu_log(cpu,"IO_FPGA","reading reg 0x%x at pc=0x%llx (size=%u)\n", |
| 262 |
offset,cpu_get_pc(cpu),op_size); |
| 263 |
} else { |
| 264 |
cpu_log(cpu,"IO_FPGA", |
| 265 |
"writing reg 0x%x at pc=0x%llx, data=0x%llx (size=%u)\n", |
| 266 |
offset,cpu_get_pc(cpu),*data,op_size); |
| 267 |
} |
| 268 |
} |
| 269 |
#endif |
| 270 |
|
| 271 |
switch(offset) { |
| 272 |
/* Probably flash protection (if 0, no write access allowed) */ |
| 273 |
case 0x00008: |
| 274 |
if (op_type == MTS_READ) |
| 275 |
*data = 0xFF; |
| 276 |
break; |
| 277 |
|
| 278 |
/* Bootflash of 8 Mb */ |
| 279 |
case 0x0000a: |
| 280 |
if (op_type == MTS_READ) |
| 281 |
*data = 0x1000; |
| 282 |
break; |
| 283 |
|
| 284 |
/* |
| 285 |
* 0x7d00 is written here regularly. |
| 286 |
* Some kind of hardware watchdog ? |
| 287 |
*/ |
| 288 |
case 0x0000c: |
| 289 |
break; |
| 290 |
|
| 291 |
/* Mainboard EEPROM */ |
| 292 |
case 0x0000e: |
| 293 |
if (op_type == MTS_WRITE) |
| 294 |
nmc93cX6_write(&d->router->mb_eeprom_group,(u_int)(*data)); |
| 295 |
else |
| 296 |
*data = nmc93cX6_read(&d->router->mb_eeprom_group); |
| 297 |
break; |
| 298 |
|
| 299 |
case 0x10004: /* ??? OIR control ??? */ |
| 300 |
if (op_type == MTS_READ) { |
| 301 |
*data = 0x0000; |
| 302 |
} |
| 303 |
break; |
| 304 |
|
| 305 |
/* |
| 306 |
* Network modules presence. |
| 307 |
* |
| 308 |
* Bit 0: 0 = NM in slot 0 is valid |
| 309 |
* Bit 1: 0 = NM in slot 1 is valid |
| 310 |
* Bit 2: 0 = NM in slot 2 is valid |
| 311 |
* Bit 3: 0 = NM in slot 3 is valid |
| 312 |
* |
| 313 |
* Very well explained on Cisco website: |
| 314 |
* http://www.cisco.com/en/US/customer/products/hw/routers/ps274/products_tech_note09186a0080109510.shtml |
| 315 |
*/ |
| 316 |
case 0x10006: |
| 317 |
if (op_type == MTS_READ) |
| 318 |
*data = nm_get_status_1(d); |
| 319 |
break; |
| 320 |
|
| 321 |
/* |
| 322 |
* NM EEPROMs. |
| 323 |
*/ |
| 324 |
case 0x10008: |
| 325 |
if (op_type == MTS_WRITE) { |
| 326 |
d->eeprom_slot = *data & 0x03; |
| 327 |
nm_eeprom_select(d,d->eeprom_slot); |
| 328 |
nmc93cX6_write(&d->router->nm_eeprom_group,*data); |
| 329 |
} else { |
| 330 |
*data = nmc93cX6_read(&d->router->nm_eeprom_group); |
| 331 |
} |
| 332 |
break; |
| 333 |
|
| 334 |
/* Network interrupt status */ |
| 335 |
case 0x20000: /* slot 1 */ |
| 336 |
if (op_type == MTS_READ) |
| 337 |
*data = d->net_irq_status[0] >> 24; |
| 338 |
break; |
| 339 |
case 0x20001: /* slot 0 */ |
| 340 |
if (op_type == MTS_READ) |
| 341 |
*data = d->net_irq_status[0] >> 16; |
| 342 |
break; |
| 343 |
case 0x20002: /* slot 3 */ |
| 344 |
if (op_type == MTS_READ) |
| 345 |
*data = d->net_irq_status[0] >> 8; |
| 346 |
break; |
| 347 |
case 0x20003: /* slot 2 */ |
| 348 |
if (op_type == MTS_READ) |
| 349 |
*data = d->net_irq_status[0]; |
| 350 |
break; |
| 351 |
|
| 352 |
/* |
| 353 |
* Read when a PA Management interrupt is triggered. |
| 354 |
* |
| 355 |
* If not 0, we get: |
| 356 |
* "Error: Unexpected NM Interrupt received from slot: x" |
| 357 |
*/ |
| 358 |
case 0x20004: |
| 359 |
if (op_type == MTS_READ) |
| 360 |
*data = 0x00; |
| 361 |
vm_clear_irq(d->router->vm,C3600_NM_MGMT_IRQ); |
| 362 |
break; |
| 363 |
|
| 364 |
/* |
| 365 |
* Read when an external interrupt is triggered. |
| 366 |
* |
| 367 |
* Bit 4: 1 = %UNKNOWN-1-GT64010: Unknown fatal interrupt(s) |
| 368 |
* Bit 6: 1 = %OIRINT: OIR Event has occurred oir_ctrl 1000 oir_stat FFFF |
| 369 |
* |
| 370 |
* oir_ctrl = register 0x10004 |
| 371 |
* oir_stat = register 0x10006 |
| 372 |
*/ |
| 373 |
case 0x20006: |
| 374 |
if (op_type == MTS_READ) |
| 375 |
*data = 0x00; |
| 376 |
vm_clear_irq(d->router->vm,C3600_EXT_IRQ); |
| 377 |
break; |
| 378 |
|
| 379 |
/* IO Mask (displayed by "show c3600") */ |
| 380 |
case 0x20008: |
| 381 |
if (op_type == MTS_READ) |
| 382 |
*data = d->io_mask; |
| 383 |
else |
| 384 |
d->io_mask = *data; |
| 385 |
break; |
| 386 |
|
| 387 |
/* |
| 388 |
* Platform type ? |
| 389 |
* 0: 3640, 4 << 5: 3620, 3 << 5: 3660 |
| 390 |
*/ |
| 391 |
case 0x30000: |
| 392 |
if (op_type == MTS_READ) { |
| 393 |
switch(c3600_chassis_get_id(d->router)) { |
| 394 |
case 3620: |
| 395 |
*data = 4 << 5; |
| 396 |
break; |
| 397 |
case 3640: |
| 398 |
*data = 0 << 5; |
| 399 |
break; |
| 400 |
case 3660: |
| 401 |
*data = 3 << 5; |
| 402 |
break; |
| 403 |
default: |
| 404 |
*data = 0; |
| 405 |
} |
| 406 |
} |
| 407 |
break; |
| 408 |
|
| 409 |
/* ??? */ |
| 410 |
case 0x30002: |
| 411 |
if (op_type == MTS_WRITE) { |
| 412 |
d->sel = *data; |
| 413 |
} else { |
| 414 |
//*data = d->sel; |
| 415 |
} |
| 416 |
break; |
| 417 |
|
| 418 |
/* |
| 419 |
* Environmental parameters, determined with "sh env all". |
| 420 |
* |
| 421 |
* Bit 0: 0 = overtemperature condition. |
| 422 |
* Bit 4: 0 = RPS present. |
| 423 |
* Bit 5: 0 = Input Voltage status failure. |
| 424 |
* Bit 6: 1 = Thermal status failure. |
| 425 |
* Bit 7: 1 = DC Output Voltage status failure. |
| 426 |
*/ |
| 427 |
case 0x30004: |
| 428 |
if (op_type == MTS_READ) { |
| 429 |
*data = 32 + 1; |
| 430 |
} |
| 431 |
break; |
| 432 |
|
| 433 |
#if DEBUG_UNKNOWN |
| 434 |
default: |
| 435 |
if (op_type == MTS_READ) { |
| 436 |
cpu_log(cpu,"IO_FPGA", |
| 437 |
"read from unknown addr 0x%x, pc=0x%llx (size=%u)\n", |
| 438 |
offset,cpu_get_pc(cpu),op_size); |
| 439 |
} else { |
| 440 |
cpu_log(cpu,"IO_FPGA", |
| 441 |
"write to unknown addr 0x%x, value=0x%llx, " |
| 442 |
"pc=0x%llx (size=%u)\n", |
| 443 |
offset,*data,cpu_get_pc(cpu),op_size); |
| 444 |
} |
| 445 |
#endif |
| 446 |
} |
| 447 |
|
| 448 |
return NULL; |
| 449 |
} |
| 450 |
|
| 451 |
/* |
| 452 |
* dev_c3660_iofpga_access() |
| 453 |
*/ |
| 454 |
static void * |
| 455 |
dev_c3660_iofpga_access(cpu_gen_t *cpu,struct vdevice *dev, |
| 456 |
m_uint32_t offset,u_int op_size,u_int op_type, |
| 457 |
m_uint64_t *data) |
| 458 |
{ |
| 459 |
struct c3600_iofpga_data *d = dev->priv_data; |
| 460 |
u_int slot; |
| 461 |
|
| 462 |
if (op_type == MTS_READ) |
| 463 |
*data = 0x0; |
| 464 |
|
| 465 |
#if DEBUG_ACCESS |
| 466 |
if (offset != 0x0c) { |
| 467 |
if (op_type == MTS_READ) { |
| 468 |
cpu_log(cpu,"IO_FPGA","reading reg 0x%x at pc=0x%llx (size=%u)\n", |
| 469 |
offset,cpu_get_pc(cpu),op_size); |
| 470 |
} else { |
| 471 |
cpu_log(cpu,"IO_FPGA", |
| 472 |
"writing reg 0x%x at pc=0x%llx, data=0x%llx (size=%u)\n", |
| 473 |
offset,cpu_get_pc(cpu),*data,op_size); |
| 474 |
} |
| 475 |
} |
| 476 |
#endif |
| 477 |
|
| 478 |
switch(offset) { |
| 479 |
/* |
| 480 |
* 0x7d00 is written here regularly. |
| 481 |
* Some kind of hardware watchdog ? |
| 482 |
*/ |
| 483 |
case 0x0000c: |
| 484 |
break; |
| 485 |
|
| 486 |
/* Probably flash protection (if 0, no write access allowed) */ |
| 487 |
case 0x00008: |
| 488 |
if (op_type == MTS_READ) |
| 489 |
*data = 0xFF; |
| 490 |
break; |
| 491 |
|
| 492 |
/* Bootflash of 8 Mb */ |
| 493 |
case 0x0000a: |
| 494 |
if (op_type == MTS_READ) |
| 495 |
*data = 0x1000; |
| 496 |
break; |
| 497 |
|
| 498 |
/* NM presence - slots 1 to 4 */ |
| 499 |
case 0x10006: |
| 500 |
if (op_type == MTS_READ) |
| 501 |
*data = nm_get_status_2(d,0); |
| 502 |
break; |
| 503 |
|
| 504 |
/* NM presence - slot 5 to 6 */ |
| 505 |
case 0x10008: |
| 506 |
if (op_type == MTS_READ) |
| 507 |
*data = nm_get_status_2(d,1); |
| 508 |
break; |
| 509 |
|
| 510 |
/* Fan status, PS presence */ |
| 511 |
case 0x10018: |
| 512 |
if (op_type == MTS_READ) |
| 513 |
*data = 0x0000; |
| 514 |
break; |
| 515 |
|
| 516 |
/* unknown, read by env monitor */ |
| 517 |
case 0x1001a: |
| 518 |
if (op_type == MTS_READ) |
| 519 |
*data = 0x0000; |
| 520 |
break; |
| 521 |
|
| 522 |
/* board temperature */ |
| 523 |
case 0x30004: |
| 524 |
if (op_type == MTS_READ) { |
| 525 |
*data = 32 + 1; |
| 526 |
} |
| 527 |
break; |
| 528 |
|
| 529 |
/* sh c3600: Per Slot Intr Mask */ |
| 530 |
case 0x10016: |
| 531 |
if (op_type == MTS_READ) |
| 532 |
*data = 0x12; |
| 533 |
break; |
| 534 |
|
| 535 |
/* sh c3600: OIR fsm state slot's (12) */ |
| 536 |
case 0x10020: |
| 537 |
if (op_type == MTS_READ) |
| 538 |
*data = 0x00; |
| 539 |
break; |
| 540 |
|
| 541 |
/* sh c3600: OIR fsm state slot's (34) */ |
| 542 |
case 0x10022: |
| 543 |
if (op_type == MTS_READ) |
| 544 |
*data = 0x00; |
| 545 |
break; |
| 546 |
|
| 547 |
/* sh c3600: OIR fsm state slot's (56) */ |
| 548 |
case 0x10024: |
| 549 |
if (op_type == MTS_READ) |
| 550 |
*data = 0x00; |
| 551 |
break; |
| 552 |
|
| 553 |
/* |
| 554 |
* Backplane EEPROM. |
| 555 |
* |
| 556 |
* Bit 7: 0=Telco chassis, 1=Enterprise chassis. |
| 557 |
*/ |
| 558 |
case 0x10000: |
| 559 |
if (op_type == MTS_WRITE) |
| 560 |
nmc93cX6_write(&d->router->mb_eeprom_group,(u_int)(*data)); |
| 561 |
else |
| 562 |
*data = nmc93cX6_read(&d->router->mb_eeprom_group) | 0x80; |
| 563 |
break; |
| 564 |
|
| 565 |
/* NM EEPROMs - slots 1 to 6 */ |
| 566 |
case 0x1000a: |
| 567 |
case 0x1000b: |
| 568 |
case 0x1000c: |
| 569 |
case 0x1000d: |
| 570 |
case 0x1000e: |
| 571 |
case 0x1000f: |
| 572 |
slot = (offset - 0x1000a) + 1; |
| 573 |
|
| 574 |
if (op_type == MTS_WRITE) { |
| 575 |
nmc93cX6_write(&d->router->c3660_nm_eeprom_group[slot], |
| 576 |
(u_int)(*data)); |
| 577 |
} else { |
| 578 |
*data = nmc93cX6_read(&d->router->c3660_nm_eeprom_group[slot]); |
| 579 |
} |
| 580 |
break; |
| 581 |
|
| 582 |
/* NM EEPROM - slot 0 */ |
| 583 |
case 0x20006: |
| 584 |
if (op_type == MTS_WRITE) { |
| 585 |
nmc93cX6_write(&d->router->c3660_nm_eeprom_group[0], |
| 586 |
(u_int)(*data)); |
| 587 |
} else { |
| 588 |
*data = nmc93cX6_read(&d->router->c3660_nm_eeprom_group[0]); |
| 589 |
} |
| 590 |
break; |
| 591 |
|
| 592 |
/* Unknown EEPROMs ? */ |
| 593 |
case 0x20000: |
| 594 |
case 0x20002: |
| 595 |
case 0x20004: |
| 596 |
if (op_type == MTS_READ) |
| 597 |
*data = 0xFFFF; |
| 598 |
break; |
| 599 |
|
| 600 |
/* IO Mask (displayed by "show c3600") */ |
| 601 |
case 0x20008: |
| 602 |
if (op_type == MTS_READ) |
| 603 |
*data = d->io_mask; |
| 604 |
else |
| 605 |
d->io_mask = *data; |
| 606 |
break; |
| 607 |
|
| 608 |
/* 0: 3640, 4 << 5: 3620, 3 << 5: 3660 */ |
| 609 |
case 0x30000: |
| 610 |
if (op_type == MTS_READ) |
| 611 |
*data = 3 << 5; |
| 612 |
break; |
| 613 |
|
| 614 |
/* ??? */ |
| 615 |
case 0x30008: |
| 616 |
if (op_type == MTS_READ) |
| 617 |
*data = 0xFF; |
| 618 |
break; |
| 619 |
|
| 620 |
/* |
| 621 |
* Read at net interrupt (size 4). |
| 622 |
* It seems that there are 4 lines per slot. |
| 623 |
* |
| 624 |
* Bit 24-27: slot 1 |
| 625 |
* Bit 16-19: slot 2 |
| 626 |
* Bit 28-31: slot 3 |
| 627 |
* Bit 20-23: slot 4 |
| 628 |
* Bit 08-11: slot 5 |
| 629 |
* Bit 00-03: slot 6 |
| 630 |
* |
| 631 |
* Other bits are unknown. |
| 632 |
*/ |
| 633 |
case 0x10010: |
| 634 |
if (op_type == MTS_READ) |
| 635 |
*data = d->net_irq_status[0]; |
| 636 |
break; |
| 637 |
|
| 638 |
/* |
| 639 |
* Read at net interrupt (size 1) |
| 640 |
* |
| 641 |
* Bit 7-6: we get "Unexpected AIM interrupt on AIM slot 1". |
| 642 |
* Bit 5-4: we get "Unexpected AIM interrupt on AIM slot 0". |
| 643 |
* Bit 0-3: net interrupt for slot 0. |
| 644 |
*/ |
| 645 |
case 0x20010: |
| 646 |
if (op_type == MTS_READ) |
| 647 |
*data = d->net_irq_status[1]; |
| 648 |
break; |
| 649 |
|
| 650 |
/* |
| 651 |
* Read when a PA Management interrupt is triggered. |
| 652 |
* |
| 653 |
* If not 0, we get: |
| 654 |
* "Error: Unexpected NM Interrupt received from slot: x" |
| 655 |
*/ |
| 656 |
case 0x10014: |
| 657 |
if (op_type == MTS_READ) |
| 658 |
*data = 0x00; |
| 659 |
vm_clear_irq(d->router->vm,C3600_NM_MGMT_IRQ); |
| 660 |
break; |
| 661 |
|
| 662 |
/* |
| 663 |
* Read when an external interrupt is triggered. |
| 664 |
* |
| 665 |
* Bit 4: 1 = %UNKNOWN-1-GT64010: Unknown fatal interrupt(s) |
| 666 |
* Bit 6: 1 = %OIRINT: OIR Event has occurred oir_ctrl 1000 oir_stat FFFF |
| 667 |
* |
| 668 |
* oir_ctrl = register 0x10004 |
| 669 |
* oir_stat = register 0x10006 |
| 670 |
*/ |
| 671 |
case 0x2000a: |
| 672 |
if (op_type == MTS_READ) |
| 673 |
*data = 0x54; |
| 674 |
vm_clear_irq(d->router->vm,C3600_EXT_IRQ); |
| 675 |
break; |
| 676 |
|
| 677 |
#if DEBUG_UNKNOWN |
| 678 |
default: |
| 679 |
if (op_type == MTS_READ) { |
| 680 |
cpu_log(cpu,"IO_FPGA", |
| 681 |
"read from unknown addr 0x%x, pc=0x%llx (size=%u)\n", |
| 682 |
offset,cpu_get_pc(cpu),op_size); |
| 683 |
} else { |
| 684 |
cpu_log(cpu,"IO_FPGA", |
| 685 |
"write to unknown addr 0x%x, value=0x%llx, " |
| 686 |
"pc=0x%llx (size=%u)\n", |
| 687 |
offset,*data,cpu_get_pc(cpu),op_size); |
| 688 |
} |
| 689 |
#endif |
| 690 |
} |
| 691 |
|
| 692 |
return NULL; |
| 693 |
} |
| 694 |
|
| 695 |
/* Initialize EEPROM groups */ |
| 696 |
void c3600_init_eeprom_groups(c3600_t *router) |
| 697 |
{ |
| 698 |
int i; |
| 699 |
|
| 700 |
/* Initialize Mainboard EEPROM */ |
| 701 |
router->mb_eeprom_group = eeprom_mb_group; |
| 702 |
router->mb_eeprom_group.eeprom[0] = &router->mb_eeprom; |
| 703 |
router->mb_eeprom.data = NULL; |
| 704 |
router->mb_eeprom.len = 0; |
| 705 |
|
| 706 |
/* Initialize NM EEPROM for 3620/3640 */ |
| 707 |
router->nm_eeprom_group = eeprom_nm_group; |
| 708 |
router->nm_eeprom_group.eeprom[0] = NULL; |
| 709 |
|
| 710 |
/* Initialize NM EEPROM for 3660 */ |
| 711 |
for(i=0;i<C3600_MAX_NM_BAYS;i++) { |
| 712 |
router->c3660_nm_eeprom_group[i] = eeprom_nm_group; |
| 713 |
router->c3660_nm_eeprom_group[i].eeprom[0] = &router->nm_bay[i].eeprom; |
| 714 |
} |
| 715 |
} |
| 716 |
|
| 717 |
/* Shutdown the IO FPGA device */ |
| 718 |
static void |
| 719 |
dev_c3600_iofpga_shutdown(vm_instance_t *vm,struct c3600_iofpga_data *d) |
| 720 |
{ |
| 721 |
if (d != NULL) { |
| 722 |
/* Remove the device */ |
| 723 |
dev_remove(vm,&d->dev); |
| 724 |
|
| 725 |
/* Free the structure itself */ |
| 726 |
free(d); |
| 727 |
} |
| 728 |
} |
| 729 |
|
| 730 |
/* |
| 731 |
* dev_c3600_iofpga_init() |
| 732 |
*/ |
| 733 |
int dev_c3600_iofpga_init(c3600_t *router,m_uint64_t paddr,m_uint32_t len) |
| 734 |
{ |
| 735 |
vm_instance_t *vm = router->vm; |
| 736 |
struct c3600_iofpga_data *d; |
| 737 |
|
| 738 |
/* Allocate private data structure */ |
| 739 |
if (!(d = malloc(sizeof(*d)))) { |
| 740 |
fprintf(stderr,"IO_FPGA: out of memory\n"); |
| 741 |
return(-1); |
| 742 |
} |
| 743 |
|
| 744 |
memset(d,0,sizeof(*d)); |
| 745 |
d->router = router; |
| 746 |
|
| 747 |
vm_object_init(&d->vm_obj); |
| 748 |
d->vm_obj.name = "io_fpga"; |
| 749 |
d->vm_obj.data = d; |
| 750 |
d->vm_obj.shutdown = (vm_shutdown_t)dev_c3600_iofpga_shutdown; |
| 751 |
|
| 752 |
/* Set device properties */ |
| 753 |
dev_init(&d->dev); |
| 754 |
d->dev.name = "io_fpga"; |
| 755 |
d->dev.phys_addr = paddr; |
| 756 |
d->dev.phys_len = len; |
| 757 |
d->dev.priv_data = d; |
| 758 |
|
| 759 |
switch(router->chassis_driver->chassis_id) { |
| 760 |
case 3620: |
| 761 |
case 3640: |
| 762 |
d->dev.handler = dev_c3620_c3640_iofpga_access; |
| 763 |
break; |
| 764 |
case 3660: |
| 765 |
d->dev.handler = dev_c3660_iofpga_access; |
| 766 |
break; |
| 767 |
default: |
| 768 |
fprintf(stderr,"C3600 '%s': invalid chassis ID %d\n", |
| 769 |
router->vm->name,router->chassis_driver->chassis_id); |
| 770 |
free(d); |
| 771 |
return(-1); |
| 772 |
} |
| 773 |
|
| 774 |
/* Map this device to the VM */ |
| 775 |
vm_bind_device(router->vm,&d->dev); |
| 776 |
vm_object_add(vm,&d->vm_obj); |
| 777 |
return(0); |
| 778 |
} |
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