1 /* 2 * Status and system control registers for ARM RealView/Versatile boards. 3 * 4 * Copyright (c) 2006-2007 CodeSourcery. 5 * Written by Paul Brook 6 * 7 * This code is licensed under the GPL. 8 */ 9 10 #include "qemu/osdep.h" 11 #include "hw/hw.h" 12 #include "qemu/timer.h" 13 #include "qemu/bitops.h" 14 #include "hw/sysbus.h" 15 #include "hw/arm/primecell.h" 16 #include "sysemu/sysemu.h" 17 #include "qemu/log.h" 18 19 #define LOCK_VALUE 0xa05f 20 21 #define TYPE_ARM_SYSCTL "realview_sysctl" 22 #define ARM_SYSCTL(obj) \ 23 OBJECT_CHECK(arm_sysctl_state, (obj), TYPE_ARM_SYSCTL) 24 25 typedef struct { 26 SysBusDevice parent_obj; 27 28 MemoryRegion iomem; 29 qemu_irq pl110_mux_ctrl; 30 31 uint32_t sys_id; 32 uint32_t leds; 33 uint16_t lockval; 34 uint32_t cfgdata1; 35 uint32_t cfgdata2; 36 uint32_t flags; 37 uint32_t nvflags; 38 uint32_t resetlevel; 39 uint32_t proc_id; 40 uint32_t sys_mci; 41 uint32_t sys_cfgdata; 42 uint32_t sys_cfgctrl; 43 uint32_t sys_cfgstat; 44 uint32_t sys_clcd; 45 uint32_t mb_clock[6]; 46 uint32_t *db_clock; 47 uint32_t db_num_vsensors; 48 uint32_t *db_voltage; 49 uint32_t db_num_clocks; 50 uint32_t *db_clock_reset; 51 } arm_sysctl_state; 52 53 static const VMStateDescription vmstate_arm_sysctl = { 54 .name = "realview_sysctl", 55 .version_id = 4, 56 .minimum_version_id = 1, 57 .fields = (VMStateField[]) { 58 VMSTATE_UINT32(leds, arm_sysctl_state), 59 VMSTATE_UINT16(lockval, arm_sysctl_state), 60 VMSTATE_UINT32(cfgdata1, arm_sysctl_state), 61 VMSTATE_UINT32(cfgdata2, arm_sysctl_state), 62 VMSTATE_UINT32(flags, arm_sysctl_state), 63 VMSTATE_UINT32(nvflags, arm_sysctl_state), 64 VMSTATE_UINT32(resetlevel, arm_sysctl_state), 65 VMSTATE_UINT32_V(sys_mci, arm_sysctl_state, 2), 66 VMSTATE_UINT32_V(sys_cfgdata, arm_sysctl_state, 2), 67 VMSTATE_UINT32_V(sys_cfgctrl, arm_sysctl_state, 2), 68 VMSTATE_UINT32_V(sys_cfgstat, arm_sysctl_state, 2), 69 VMSTATE_UINT32_V(sys_clcd, arm_sysctl_state, 3), 70 VMSTATE_UINT32_ARRAY_V(mb_clock, arm_sysctl_state, 6, 4), 71 VMSTATE_VARRAY_UINT32(db_clock, arm_sysctl_state, db_num_clocks, 72 4, vmstate_info_uint32, uint32_t), 73 VMSTATE_END_OF_LIST() 74 } 75 }; 76 77 /* The PB926 actually uses a different format for 78 * its SYS_ID register. Fortunately the bits which are 79 * board type on later boards are distinct. 80 */ 81 #define BOARD_ID_PB926 0x100 82 #define BOARD_ID_EB 0x140 83 #define BOARD_ID_PBA8 0x178 84 #define BOARD_ID_PBX 0x182 85 #define BOARD_ID_VEXPRESS 0x190 86 87 static int board_id(arm_sysctl_state *s) 88 { 89 /* Extract the board ID field from the SYS_ID register value */ 90 return (s->sys_id >> 16) & 0xfff; 91 } 92 93 static void arm_sysctl_reset(DeviceState *d) 94 { 95 arm_sysctl_state *s = ARM_SYSCTL(d); 96 int i; 97 98 s->leds = 0; 99 s->lockval = 0; 100 s->cfgdata1 = 0; 101 s->cfgdata2 = 0; 102 s->flags = 0; 103 s->resetlevel = 0; 104 /* Motherboard oscillators (in Hz) */ 105 s->mb_clock[0] = 50000000; /* Static memory clock: 50MHz */ 106 s->mb_clock[1] = 23750000; /* motherboard CLCD clock: 23.75MHz */ 107 s->mb_clock[2] = 24000000; /* IO FPGA peripheral clock: 24MHz */ 108 s->mb_clock[3] = 24000000; /* IO FPGA reserved clock: 24MHz */ 109 s->mb_clock[4] = 24000000; /* System bus global clock: 24MHz */ 110 s->mb_clock[5] = 24000000; /* IO FPGA reserved clock: 24MHz */ 111 /* Daughterboard oscillators: reset from property values */ 112 for (i = 0; i < s->db_num_clocks; i++) { 113 s->db_clock[i] = s->db_clock_reset[i]; 114 } 115 if (board_id(s) == BOARD_ID_VEXPRESS) { 116 /* On VExpress this register will RAZ/WI */ 117 s->sys_clcd = 0; 118 } else { 119 /* All others: CLCDID 0x1f, indicating VGA */ 120 s->sys_clcd = 0x1f00; 121 } 122 } 123 124 static uint64_t arm_sysctl_read(void *opaque, hwaddr offset, 125 unsigned size) 126 { 127 arm_sysctl_state *s = (arm_sysctl_state *)opaque; 128 129 switch (offset) { 130 case 0x00: /* ID */ 131 return s->sys_id; 132 case 0x04: /* SW */ 133 /* General purpose hardware switches. 134 We don't have a useful way of exposing these to the user. */ 135 return 0; 136 case 0x08: /* LED */ 137 return s->leds; 138 case 0x20: /* LOCK */ 139 return s->lockval; 140 case 0x0c: /* OSC0 */ 141 case 0x10: /* OSC1 */ 142 case 0x14: /* OSC2 */ 143 case 0x18: /* OSC3 */ 144 case 0x1c: /* OSC4 */ 145 case 0x24: /* 100HZ */ 146 /* ??? Implement these. */ 147 return 0; 148 case 0x28: /* CFGDATA1 */ 149 return s->cfgdata1; 150 case 0x2c: /* CFGDATA2 */ 151 return s->cfgdata2; 152 case 0x30: /* FLAGS */ 153 return s->flags; 154 case 0x38: /* NVFLAGS */ 155 return s->nvflags; 156 case 0x40: /* RESETCTL */ 157 if (board_id(s) == BOARD_ID_VEXPRESS) { 158 /* reserved: RAZ/WI */ 159 return 0; 160 } 161 return s->resetlevel; 162 case 0x44: /* PCICTL */ 163 return 1; 164 case 0x48: /* MCI */ 165 return s->sys_mci; 166 case 0x4c: /* FLASH */ 167 return 0; 168 case 0x50: /* CLCD */ 169 return s->sys_clcd; 170 case 0x54: /* CLCDSER */ 171 return 0; 172 case 0x58: /* BOOTCS */ 173 return 0; 174 case 0x5c: /* 24MHz */ 175 return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24000000, 176 NANOSECONDS_PER_SECOND); 177 case 0x60: /* MISC */ 178 return 0; 179 case 0x84: /* PROCID0 */ 180 return s->proc_id; 181 case 0x88: /* PROCID1 */ 182 return 0xff000000; 183 case 0x64: /* DMAPSR0 */ 184 case 0x68: /* DMAPSR1 */ 185 case 0x6c: /* DMAPSR2 */ 186 case 0x70: /* IOSEL */ 187 case 0x74: /* PLDCTL */ 188 case 0x80: /* BUSID */ 189 case 0x8c: /* OSCRESET0 */ 190 case 0x90: /* OSCRESET1 */ 191 case 0x94: /* OSCRESET2 */ 192 case 0x98: /* OSCRESET3 */ 193 case 0x9c: /* OSCRESET4 */ 194 case 0xc0: /* SYS_TEST_OSC0 */ 195 case 0xc4: /* SYS_TEST_OSC1 */ 196 case 0xc8: /* SYS_TEST_OSC2 */ 197 case 0xcc: /* SYS_TEST_OSC3 */ 198 case 0xd0: /* SYS_TEST_OSC4 */ 199 return 0; 200 case 0xa0: /* SYS_CFGDATA */ 201 if (board_id(s) != BOARD_ID_VEXPRESS) { 202 goto bad_reg; 203 } 204 return s->sys_cfgdata; 205 case 0xa4: /* SYS_CFGCTRL */ 206 if (board_id(s) != BOARD_ID_VEXPRESS) { 207 goto bad_reg; 208 } 209 return s->sys_cfgctrl; 210 case 0xa8: /* SYS_CFGSTAT */ 211 if (board_id(s) != BOARD_ID_VEXPRESS) { 212 goto bad_reg; 213 } 214 return s->sys_cfgstat; 215 default: 216 bad_reg: 217 qemu_log_mask(LOG_GUEST_ERROR, 218 "arm_sysctl_read: Bad register offset 0x%x\n", 219 (int)offset); 220 return 0; 221 } 222 } 223 224 /* SYS_CFGCTRL functions */ 225 #define SYS_CFG_OSC 1 226 #define SYS_CFG_VOLT 2 227 #define SYS_CFG_AMP 3 228 #define SYS_CFG_TEMP 4 229 #define SYS_CFG_RESET 5 230 #define SYS_CFG_SCC 6 231 #define SYS_CFG_MUXFPGA 7 232 #define SYS_CFG_SHUTDOWN 8 233 #define SYS_CFG_REBOOT 9 234 #define SYS_CFG_DVIMODE 11 235 #define SYS_CFG_POWER 12 236 #define SYS_CFG_ENERGY 13 237 238 /* SYS_CFGCTRL site field values */ 239 #define SYS_CFG_SITE_MB 0 240 #define SYS_CFG_SITE_DB1 1 241 #define SYS_CFG_SITE_DB2 2 242 243 /** 244 * vexpress_cfgctrl_read: 245 * @s: arm_sysctl_state pointer 246 * @dcc, @function, @site, @position, @device: split out values from 247 * SYS_CFGCTRL register 248 * @val: pointer to where to put the read data on success 249 * 250 * Handle a VExpress SYS_CFGCTRL register read. On success, return true and 251 * write the read value to *val. On failure, return false (and val may 252 * or may not be written to). 253 */ 254 static bool vexpress_cfgctrl_read(arm_sysctl_state *s, unsigned int dcc, 255 unsigned int function, unsigned int site, 256 unsigned int position, unsigned int device, 257 uint32_t *val) 258 { 259 /* We don't support anything other than DCC 0, board stack position 0 260 * or sites other than motherboard/daughterboard: 261 */ 262 if (dcc != 0 || position != 0 || 263 (site != SYS_CFG_SITE_MB && site != SYS_CFG_SITE_DB1)) { 264 goto cfgctrl_unimp; 265 } 266 267 switch (function) { 268 case SYS_CFG_VOLT: 269 if (site == SYS_CFG_SITE_DB1 && device < s->db_num_vsensors) { 270 *val = s->db_voltage[device]; 271 return true; 272 } 273 if (site == SYS_CFG_SITE_MB && device == 0) { 274 /* There is only one motherboard voltage sensor: 275 * VIO : 3.3V : bus voltage between mother and daughterboard 276 */ 277 *val = 3300000; 278 return true; 279 } 280 break; 281 case SYS_CFG_OSC: 282 if (site == SYS_CFG_SITE_MB && device < ARRAY_SIZE(s->mb_clock)) { 283 /* motherboard clock */ 284 *val = s->mb_clock[device]; 285 return true; 286 } 287 if (site == SYS_CFG_SITE_DB1 && device < s->db_num_clocks) { 288 /* daughterboard clock */ 289 *val = s->db_clock[device]; 290 return true; 291 } 292 break; 293 default: 294 break; 295 } 296 297 cfgctrl_unimp: 298 qemu_log_mask(LOG_UNIMP, 299 "arm_sysctl: Unimplemented SYS_CFGCTRL read of function " 300 "0x%x DCC 0x%x site 0x%x position 0x%x device 0x%x\n", 301 function, dcc, site, position, device); 302 return false; 303 } 304 305 /** 306 * vexpress_cfgctrl_write: 307 * @s: arm_sysctl_state pointer 308 * @dcc, @function, @site, @position, @device: split out values from 309 * SYS_CFGCTRL register 310 * @val: data to write 311 * 312 * Handle a VExpress SYS_CFGCTRL register write. On success, return true. 313 * On failure, return false. 314 */ 315 static bool vexpress_cfgctrl_write(arm_sysctl_state *s, unsigned int dcc, 316 unsigned int function, unsigned int site, 317 unsigned int position, unsigned int device, 318 uint32_t val) 319 { 320 /* We don't support anything other than DCC 0, board stack position 0 321 * or sites other than motherboard/daughterboard: 322 */ 323 if (dcc != 0 || position != 0 || 324 (site != SYS_CFG_SITE_MB && site != SYS_CFG_SITE_DB1)) { 325 goto cfgctrl_unimp; 326 } 327 328 switch (function) { 329 case SYS_CFG_OSC: 330 if (site == SYS_CFG_SITE_MB && device < ARRAY_SIZE(s->mb_clock)) { 331 /* motherboard clock */ 332 s->mb_clock[device] = val; 333 return true; 334 } 335 if (site == SYS_CFG_SITE_DB1 && device < s->db_num_clocks) { 336 /* daughterboard clock */ 337 s->db_clock[device] = val; 338 return true; 339 } 340 break; 341 case SYS_CFG_MUXFPGA: 342 if (site == SYS_CFG_SITE_MB && device == 0) { 343 /* Select whether video output comes from motherboard 344 * or daughterboard: log and ignore as QEMU doesn't 345 * support this. 346 */ 347 qemu_log_mask(LOG_UNIMP, "arm_sysctl: selection of video output " 348 "not supported, ignoring\n"); 349 return true; 350 } 351 break; 352 case SYS_CFG_SHUTDOWN: 353 if (site == SYS_CFG_SITE_MB && device == 0) { 354 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 355 return true; 356 } 357 break; 358 case SYS_CFG_REBOOT: 359 if (site == SYS_CFG_SITE_MB && device == 0) { 360 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 361 return true; 362 } 363 break; 364 case SYS_CFG_DVIMODE: 365 if (site == SYS_CFG_SITE_MB && device == 0) { 366 /* Selecting DVI mode is meaningless for QEMU: we will 367 * always display the output correctly according to the 368 * pixel height/width programmed into the CLCD controller. 369 */ 370 return true; 371 } 372 default: 373 break; 374 } 375 376 cfgctrl_unimp: 377 qemu_log_mask(LOG_UNIMP, 378 "arm_sysctl: Unimplemented SYS_CFGCTRL write of function " 379 "0x%x DCC 0x%x site 0x%x position 0x%x device 0x%x\n", 380 function, dcc, site, position, device); 381 return false; 382 } 383 384 static void arm_sysctl_write(void *opaque, hwaddr offset, 385 uint64_t val, unsigned size) 386 { 387 arm_sysctl_state *s = (arm_sysctl_state *)opaque; 388 389 switch (offset) { 390 case 0x08: /* LED */ 391 s->leds = val; 392 break; 393 case 0x0c: /* OSC0 */ 394 case 0x10: /* OSC1 */ 395 case 0x14: /* OSC2 */ 396 case 0x18: /* OSC3 */ 397 case 0x1c: /* OSC4 */ 398 /* ??? */ 399 break; 400 case 0x20: /* LOCK */ 401 if (val == LOCK_VALUE) 402 s->lockval = val; 403 else 404 s->lockval = val & 0x7fff; 405 break; 406 case 0x28: /* CFGDATA1 */ 407 /* ??? Need to implement this. */ 408 s->cfgdata1 = val; 409 break; 410 case 0x2c: /* CFGDATA2 */ 411 /* ??? Need to implement this. */ 412 s->cfgdata2 = val; 413 break; 414 case 0x30: /* FLAGSSET */ 415 s->flags |= val; 416 break; 417 case 0x34: /* FLAGSCLR */ 418 s->flags &= ~val; 419 break; 420 case 0x38: /* NVFLAGSSET */ 421 s->nvflags |= val; 422 break; 423 case 0x3c: /* NVFLAGSCLR */ 424 s->nvflags &= ~val; 425 break; 426 case 0x40: /* RESETCTL */ 427 switch (board_id(s)) { 428 case BOARD_ID_PB926: 429 if (s->lockval == LOCK_VALUE) { 430 s->resetlevel = val; 431 if (val & 0x100) { 432 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 433 } 434 } 435 break; 436 case BOARD_ID_PBX: 437 case BOARD_ID_PBA8: 438 if (s->lockval == LOCK_VALUE) { 439 s->resetlevel = val; 440 if (val & 0x04) { 441 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 442 } 443 } 444 break; 445 case BOARD_ID_VEXPRESS: 446 case BOARD_ID_EB: 447 default: 448 /* reserved: RAZ/WI */ 449 break; 450 } 451 break; 452 case 0x44: /* PCICTL */ 453 /* nothing to do. */ 454 break; 455 case 0x4c: /* FLASH */ 456 break; 457 case 0x50: /* CLCD */ 458 switch (board_id(s)) { 459 case BOARD_ID_PB926: 460 /* On 926 bits 13:8 are R/O, bits 1:0 control 461 * the mux that defines how to interpret the PL110 462 * graphics format, and other bits are r/w but we 463 * don't implement them to do anything. 464 */ 465 s->sys_clcd &= 0x3f00; 466 s->sys_clcd |= val & ~0x3f00; 467 qemu_set_irq(s->pl110_mux_ctrl, val & 3); 468 break; 469 case BOARD_ID_EB: 470 /* The EB is the same except that there is no mux since 471 * the EB has a PL111. 472 */ 473 s->sys_clcd &= 0x3f00; 474 s->sys_clcd |= val & ~0x3f00; 475 break; 476 case BOARD_ID_PBA8: 477 case BOARD_ID_PBX: 478 /* On PBA8 and PBX bit 7 is r/w and all other bits 479 * are either r/o or RAZ/WI. 480 */ 481 s->sys_clcd &= (1 << 7); 482 s->sys_clcd |= val & ~(1 << 7); 483 break; 484 case BOARD_ID_VEXPRESS: 485 default: 486 /* On VExpress this register is unimplemented and will RAZ/WI */ 487 break; 488 } 489 break; 490 case 0x54: /* CLCDSER */ 491 case 0x64: /* DMAPSR0 */ 492 case 0x68: /* DMAPSR1 */ 493 case 0x6c: /* DMAPSR2 */ 494 case 0x70: /* IOSEL */ 495 case 0x74: /* PLDCTL */ 496 case 0x80: /* BUSID */ 497 case 0x84: /* PROCID0 */ 498 case 0x88: /* PROCID1 */ 499 case 0x8c: /* OSCRESET0 */ 500 case 0x90: /* OSCRESET1 */ 501 case 0x94: /* OSCRESET2 */ 502 case 0x98: /* OSCRESET3 */ 503 case 0x9c: /* OSCRESET4 */ 504 break; 505 case 0xa0: /* SYS_CFGDATA */ 506 if (board_id(s) != BOARD_ID_VEXPRESS) { 507 goto bad_reg; 508 } 509 s->sys_cfgdata = val; 510 return; 511 case 0xa4: /* SYS_CFGCTRL */ 512 if (board_id(s) != BOARD_ID_VEXPRESS) { 513 goto bad_reg; 514 } 515 /* Undefined bits [19:18] are RAZ/WI, and writing to 516 * the start bit just triggers the action; it always reads 517 * as zero. 518 */ 519 s->sys_cfgctrl = val & ~((3 << 18) | (1 << 31)); 520 if (val & (1 << 31)) { 521 /* Start bit set -- actually do something */ 522 unsigned int dcc = extract32(s->sys_cfgctrl, 26, 4); 523 unsigned int function = extract32(s->sys_cfgctrl, 20, 6); 524 unsigned int site = extract32(s->sys_cfgctrl, 16, 2); 525 unsigned int position = extract32(s->sys_cfgctrl, 12, 4); 526 unsigned int device = extract32(s->sys_cfgctrl, 0, 12); 527 s->sys_cfgstat = 1; /* complete */ 528 if (s->sys_cfgctrl & (1 << 30)) { 529 if (!vexpress_cfgctrl_write(s, dcc, function, site, position, 530 device, s->sys_cfgdata)) { 531 s->sys_cfgstat |= 2; /* error */ 532 } 533 } else { 534 uint32_t val; 535 if (!vexpress_cfgctrl_read(s, dcc, function, site, position, 536 device, &val)) { 537 s->sys_cfgstat |= 2; /* error */ 538 } else { 539 s->sys_cfgdata = val; 540 } 541 } 542 } 543 s->sys_cfgctrl &= ~(1 << 31); 544 return; 545 case 0xa8: /* SYS_CFGSTAT */ 546 if (board_id(s) != BOARD_ID_VEXPRESS) { 547 goto bad_reg; 548 } 549 s->sys_cfgstat = val & 3; 550 return; 551 default: 552 bad_reg: 553 qemu_log_mask(LOG_GUEST_ERROR, 554 "arm_sysctl_write: Bad register offset 0x%x\n", 555 (int)offset); 556 return; 557 } 558 } 559 560 static const MemoryRegionOps arm_sysctl_ops = { 561 .read = arm_sysctl_read, 562 .write = arm_sysctl_write, 563 .endianness = DEVICE_NATIVE_ENDIAN, 564 }; 565 566 static void arm_sysctl_gpio_set(void *opaque, int line, int level) 567 { 568 arm_sysctl_state *s = (arm_sysctl_state *)opaque; 569 switch (line) { 570 case ARM_SYSCTL_GPIO_MMC_WPROT: 571 { 572 /* For PB926 and EB write-protect is bit 2 of SYS_MCI; 573 * for all later boards it is bit 1. 574 */ 575 int bit = 2; 576 if ((board_id(s) == BOARD_ID_PB926) || (board_id(s) == BOARD_ID_EB)) { 577 bit = 4; 578 } 579 s->sys_mci &= ~bit; 580 if (level) { 581 s->sys_mci |= bit; 582 } 583 break; 584 } 585 case ARM_SYSCTL_GPIO_MMC_CARDIN: 586 s->sys_mci &= ~1; 587 if (level) { 588 s->sys_mci |= 1; 589 } 590 break; 591 } 592 } 593 594 static void arm_sysctl_init(Object *obj) 595 { 596 DeviceState *dev = DEVICE(obj); 597 SysBusDevice *sd = SYS_BUS_DEVICE(obj); 598 arm_sysctl_state *s = ARM_SYSCTL(obj); 599 600 memory_region_init_io(&s->iomem, OBJECT(dev), &arm_sysctl_ops, s, 601 "arm-sysctl", 0x1000); 602 sysbus_init_mmio(sd, &s->iomem); 603 qdev_init_gpio_in(dev, arm_sysctl_gpio_set, 2); 604 qdev_init_gpio_out(dev, &s->pl110_mux_ctrl, 1); 605 } 606 607 static void arm_sysctl_realize(DeviceState *d, Error **errp) 608 { 609 arm_sysctl_state *s = ARM_SYSCTL(d); 610 611 s->db_clock = g_new0(uint32_t, s->db_num_clocks); 612 } 613 614 static void arm_sysctl_finalize(Object *obj) 615 { 616 arm_sysctl_state *s = ARM_SYSCTL(obj); 617 618 g_free(s->db_voltage); 619 g_free(s->db_clock); 620 g_free(s->db_clock_reset); 621 } 622 623 static Property arm_sysctl_properties[] = { 624 DEFINE_PROP_UINT32("sys_id", arm_sysctl_state, sys_id, 0), 625 DEFINE_PROP_UINT32("proc_id", arm_sysctl_state, proc_id, 0), 626 /* Daughterboard power supply voltages (as reported via SYS_CFG) */ 627 DEFINE_PROP_ARRAY("db-voltage", arm_sysctl_state, db_num_vsensors, 628 db_voltage, qdev_prop_uint32, uint32_t), 629 /* Daughterboard clock reset values (as reported via SYS_CFG) */ 630 DEFINE_PROP_ARRAY("db-clock", arm_sysctl_state, db_num_clocks, 631 db_clock_reset, qdev_prop_uint32, uint32_t), 632 DEFINE_PROP_END_OF_LIST(), 633 }; 634 635 static void arm_sysctl_class_init(ObjectClass *klass, void *data) 636 { 637 DeviceClass *dc = DEVICE_CLASS(klass); 638 639 dc->realize = arm_sysctl_realize; 640 dc->reset = arm_sysctl_reset; 641 dc->vmsd = &vmstate_arm_sysctl; 642 dc->props = arm_sysctl_properties; 643 } 644 645 static const TypeInfo arm_sysctl_info = { 646 .name = TYPE_ARM_SYSCTL, 647 .parent = TYPE_SYS_BUS_DEVICE, 648 .instance_size = sizeof(arm_sysctl_state), 649 .instance_init = arm_sysctl_init, 650 .instance_finalize = arm_sysctl_finalize, 651 .class_init = arm_sysctl_class_init, 652 }; 653 654 static void arm_sysctl_register_types(void) 655 { 656 type_register_static(&arm_sysctl_info); 657 } 658 659 type_init(arm_sysctl_register_types) 660