1 /* 2 * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator 3 * 4 * Copyright (c) 2018-2021 BALATON Zoltan 5 * 6 * This work is licensed under the GNU GPL license version 2 or later. 7 * 8 */ 9 10 #include "qemu/osdep.h" 11 #include "qemu/units.h" 12 #include "qapi/error.h" 13 #include "hw/ppc/ppc.h" 14 #include "hw/sysbus.h" 15 #include "hw/pci/pci_host.h" 16 #include "hw/irq.h" 17 #include "hw/pci-host/mv64361.h" 18 #include "hw/isa/vt82c686.h" 19 #include "hw/ide/pci.h" 20 #include "hw/i2c/smbus_eeprom.h" 21 #include "hw/qdev-properties.h" 22 #include "sysemu/reset.h" 23 #include "sysemu/runstate.h" 24 #include "sysemu/qtest.h" 25 #include "hw/boards.h" 26 #include "hw/loader.h" 27 #include "hw/fw-path-provider.h" 28 #include "elf.h" 29 #include "qemu/log.h" 30 #include "qemu/error-report.h" 31 #include "sysemu/kvm.h" 32 #include "kvm_ppc.h" 33 #include "exec/address-spaces.h" 34 #include "qom/qom-qobject.h" 35 #include "qapi/qmp/qdict.h" 36 #include "trace.h" 37 #include "qemu/datadir.h" 38 #include "sysemu/device_tree.h" 39 #include "hw/ppc/vof.h" 40 41 #include <libfdt.h> 42 43 #define PROM_FILENAME "vof.bin" 44 #define PROM_ADDR 0xfff00000 45 #define PROM_SIZE 0x80000 46 47 #define KVMPPC_HCALL_BASE 0xf000 48 #define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0) 49 #define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5) 50 51 #define H_SUCCESS 0 52 #define H_PRIVILEGE -3 /* Caller not privileged */ 53 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */ 54 55 #define BUS_FREQ_HZ 133333333 56 57 #define PCI0_CFG_ADDR 0xcf8 58 #define PCI0_MEM_BASE 0xc0000000 59 #define PCI0_MEM_SIZE 0x20000000 60 #define PCI0_IO_BASE 0xf8000000 61 #define PCI0_IO_SIZE 0x10000 62 63 #define PCI1_CFG_ADDR 0xc78 64 #define PCI1_MEM_BASE 0x80000000 65 #define PCI1_MEM_SIZE 0x40000000 66 #define PCI1_IO_BASE 0xfe000000 67 #define PCI1_IO_SIZE 0x10000 68 69 #define TYPE_PEGASOS2_MACHINE MACHINE_TYPE_NAME("pegasos2") 70 OBJECT_DECLARE_TYPE(Pegasos2MachineState, MachineClass, PEGASOS2_MACHINE) 71 72 struct Pegasos2MachineState { 73 MachineState parent_obj; 74 PowerPCCPU *cpu; 75 DeviceState *mv; 76 qemu_irq mv_pirq[PCI_NUM_PINS]; 77 qemu_irq via_pirq[PCI_NUM_PINS]; 78 Vof *vof; 79 void *fdt_blob; 80 uint64_t kernel_addr; 81 uint64_t kernel_entry; 82 uint64_t kernel_size; 83 }; 84 85 static void *build_fdt(MachineState *machine, int *fdt_size); 86 87 static void pegasos2_cpu_reset(void *opaque) 88 { 89 PowerPCCPU *cpu = opaque; 90 Pegasos2MachineState *pm = PEGASOS2_MACHINE(current_machine); 91 92 cpu_reset(CPU(cpu)); 93 cpu->env.spr[SPR_HID1] = 7ULL << 28; 94 if (pm->vof) { 95 cpu->env.gpr[1] = 2 * VOF_STACK_SIZE - 0x20; 96 cpu->env.nip = 0x100; 97 } 98 } 99 100 static void pegasos2_pci_irq(void *opaque, int n, int level) 101 { 102 Pegasos2MachineState *pm = opaque; 103 104 /* PCI interrupt lines are connected to both MV64361 and VT8231 */ 105 qemu_set_irq(pm->mv_pirq[n], level); 106 qemu_set_irq(pm->via_pirq[n], level); 107 } 108 109 static void pegasos2_init(MachineState *machine) 110 { 111 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 112 CPUPPCState *env; 113 MemoryRegion *rom = g_new(MemoryRegion, 1); 114 PCIBus *pci_bus; 115 Object *via; 116 PCIDevice *dev; 117 I2CBus *i2c_bus; 118 const char *fwname = machine->firmware ?: PROM_FILENAME; 119 char *filename; 120 int i, sz; 121 uint8_t *spd_data; 122 123 /* init CPU */ 124 pm->cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); 125 env = &pm->cpu->env; 126 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { 127 error_report("Incompatible CPU, only 6xx bus supported"); 128 exit(1); 129 } 130 131 /* Set time-base frequency */ 132 cpu_ppc_tb_init(env, BUS_FREQ_HZ / 4); 133 qemu_register_reset(pegasos2_cpu_reset, pm->cpu); 134 135 /* RAM */ 136 if (machine->ram_size > 2 * GiB) { 137 error_report("RAM size more than 2 GiB is not supported"); 138 exit(1); 139 } 140 memory_region_add_subregion(get_system_memory(), 0, machine->ram); 141 142 /* allocate and load firmware */ 143 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname); 144 if (!filename) { 145 error_report("Could not find firmware '%s'", fwname); 146 exit(1); 147 } 148 if (!machine->firmware && !pm->vof) { 149 pm->vof = g_malloc0(sizeof(*pm->vof)); 150 } 151 memory_region_init_rom(rom, NULL, "pegasos2.rom", PROM_SIZE, &error_fatal); 152 memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom); 153 sz = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, 154 PPC_ELF_MACHINE, 0, 0); 155 if (sz <= 0) { 156 sz = load_image_targphys(filename, pm->vof ? 0 : PROM_ADDR, PROM_SIZE); 157 } 158 if (sz <= 0 || sz > PROM_SIZE) { 159 error_report("Could not load firmware '%s'", filename); 160 exit(1); 161 } 162 g_free(filename); 163 if (pm->vof) { 164 pm->vof->fw_size = sz; 165 } 166 167 /* Marvell Discovery II system controller */ 168 pm->mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1, 169 qdev_get_gpio_in(DEVICE(pm->cpu), PPC6xx_INPUT_INT))); 170 for (i = 0; i < PCI_NUM_PINS; i++) { 171 pm->mv_pirq[i] = qdev_get_gpio_in_named(pm->mv, "gpp", 12 + i); 172 } 173 pci_bus = mv64361_get_pci_bus(pm->mv, 1); 174 pci_bus_irqs(pci_bus, pegasos2_pci_irq, pm, PCI_NUM_PINS); 175 176 /* VIA VT8231 South Bridge (multifunction PCI device) */ 177 via = OBJECT(pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0), 178 true, TYPE_VT8231_ISA)); 179 for (i = 0; i < PCI_NUM_PINS; i++) { 180 pm->via_pirq[i] = qdev_get_gpio_in_named(DEVICE(via), "pirq", i); 181 } 182 object_property_add_alias(OBJECT(machine), "rtc-time", 183 object_resolve_path_component(via, "rtc"), 184 "date"); 185 qdev_connect_gpio_out(DEVICE(via), 0, 186 qdev_get_gpio_in_named(pm->mv, "gpp", 31)); 187 188 dev = PCI_DEVICE(object_resolve_path_component(via, "ide")); 189 pci_ide_create_devs(dev); 190 191 dev = PCI_DEVICE(object_resolve_path_component(via, "pm")); 192 i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c")); 193 spd_data = spd_data_generate(DDR, machine->ram_size); 194 smbus_eeprom_init_one(i2c_bus, 0x57, spd_data); 195 196 /* other PC hardware */ 197 pci_vga_init(pci_bus); 198 199 if (machine->kernel_filename) { 200 sz = load_elf(machine->kernel_filename, NULL, NULL, NULL, 201 &pm->kernel_entry, &pm->kernel_addr, NULL, NULL, 1, 202 PPC_ELF_MACHINE, 0, 0); 203 if (sz <= 0) { 204 error_report("Could not load kernel '%s'", 205 machine->kernel_filename); 206 exit(1); 207 } 208 pm->kernel_size = sz; 209 if (!pm->vof) { 210 warn_report("Option -kernel may be ineffective with -bios."); 211 } 212 } else if (pm->vof && !qtest_enabled()) { 213 warn_report("Using Virtual OpenFirmware but no -kernel option."); 214 } 215 216 if (!pm->vof && machine->kernel_cmdline && machine->kernel_cmdline[0]) { 217 warn_report("Option -append may be ineffective with -bios."); 218 } 219 } 220 221 static uint32_t pegasos2_mv_reg_read(Pegasos2MachineState *pm, 222 uint32_t addr, uint32_t len) 223 { 224 MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); 225 uint64_t val = 0xffffffffULL; 226 memory_region_dispatch_read(r, addr, &val, size_memop(len) | MO_LE, 227 MEMTXATTRS_UNSPECIFIED); 228 return val; 229 } 230 231 static void pegasos2_mv_reg_write(Pegasos2MachineState *pm, uint32_t addr, 232 uint32_t len, uint32_t val) 233 { 234 MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); 235 memory_region_dispatch_write(r, addr, val, size_memop(len) | MO_LE, 236 MEMTXATTRS_UNSPECIFIED); 237 } 238 239 static uint32_t pegasos2_pci_config_read(Pegasos2MachineState *pm, int bus, 240 uint32_t addr, uint32_t len) 241 { 242 hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; 243 uint64_t val = 0xffffffffULL; 244 245 if (len <= 4) { 246 pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); 247 val = pegasos2_mv_reg_read(pm, pcicfg + 4, len); 248 } 249 return val; 250 } 251 252 static void pegasos2_pci_config_write(Pegasos2MachineState *pm, int bus, 253 uint32_t addr, uint32_t len, uint32_t val) 254 { 255 hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; 256 257 pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); 258 pegasos2_mv_reg_write(pm, pcicfg + 4, len, val); 259 } 260 261 static void pegasos2_machine_reset(MachineState *machine, ShutdownCause reason) 262 { 263 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 264 void *fdt; 265 uint64_t d[2]; 266 int sz; 267 268 qemu_devices_reset(reason); 269 if (!pm->vof) { 270 return; /* Firmware should set up machine so nothing to do */ 271 } 272 273 /* Otherwise, set up devices that board firmware would normally do */ 274 pegasos2_mv_reg_write(pm, 0, 4, 0x28020ff); 275 pegasos2_mv_reg_write(pm, 0x278, 4, 0xa31fc); 276 pegasos2_mv_reg_write(pm, 0xf300, 4, 0x11ff0400); 277 pegasos2_mv_reg_write(pm, 0xf10c, 4, 0x80000000); 278 pegasos2_mv_reg_write(pm, 0x1c, 4, 0x8000000); 279 pegasos2_pci_config_write(pm, 0, PCI_COMMAND, 2, PCI_COMMAND_IO | 280 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); 281 pegasos2_pci_config_write(pm, 1, PCI_COMMAND, 2, PCI_COMMAND_IO | 282 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); 283 284 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 285 PCI_INTERRUPT_LINE, 2, 0x9); 286 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 287 0x50, 1, 0x2); 288 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 289 0x55, 1, 0x90); 290 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 291 0x56, 1, 0x99); 292 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 293 0x57, 1, 0x90); 294 295 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 296 PCI_INTERRUPT_LINE, 2, 0x109); 297 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 298 PCI_CLASS_PROG, 1, 0xf); 299 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 300 0x40, 1, 0xb); 301 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 302 0x50, 4, 0x17171717); 303 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 304 PCI_COMMAND, 2, 0x87); 305 306 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 2) << 8) | 307 PCI_INTERRUPT_LINE, 2, 0x409); 308 309 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 3) << 8) | 310 PCI_INTERRUPT_LINE, 2, 0x409); 311 312 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 313 PCI_INTERRUPT_LINE, 2, 0x9); 314 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 315 0x48, 4, 0xf00); 316 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 317 0x40, 4, 0x558020); 318 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 319 0x90, 4, 0xd00); 320 321 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 5) << 8) | 322 PCI_INTERRUPT_LINE, 2, 0x309); 323 324 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 6) << 8) | 325 PCI_INTERRUPT_LINE, 2, 0x309); 326 327 /* Device tree and VOF set up */ 328 vof_init(pm->vof, machine->ram_size, &error_fatal); 329 if (vof_claim(pm->vof, 0, VOF_STACK_SIZE, VOF_STACK_SIZE) == -1) { 330 error_report("Memory allocation for stack failed"); 331 exit(1); 332 } 333 if (pm->kernel_size && 334 vof_claim(pm->vof, pm->kernel_addr, pm->kernel_size, 0) == -1) { 335 error_report("Memory for kernel is in use"); 336 exit(1); 337 } 338 fdt = build_fdt(machine, &sz); 339 /* FIXME: VOF assumes entry is same as load address */ 340 d[0] = cpu_to_be64(pm->kernel_entry); 341 d[1] = cpu_to_be64(pm->kernel_size - (pm->kernel_entry - pm->kernel_addr)); 342 qemu_fdt_setprop(fdt, "/chosen", "qemu,boot-kernel", d, sizeof(d)); 343 344 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 345 g_free(pm->fdt_blob); 346 pm->fdt_blob = fdt; 347 348 vof_build_dt(fdt, pm->vof); 349 vof_client_open_store(fdt, pm->vof, "/chosen", "stdout", "/failsafe"); 350 351 /* Set machine->fdt for 'dumpdtb' QMP/HMP command */ 352 machine->fdt = fdt; 353 354 pm->cpu->vhyp = PPC_VIRTUAL_HYPERVISOR(machine); 355 } 356 357 enum pegasos2_rtas_tokens { 358 RTAS_RESTART_RTAS = 0, 359 RTAS_NVRAM_FETCH = 1, 360 RTAS_NVRAM_STORE = 2, 361 RTAS_GET_TIME_OF_DAY = 3, 362 RTAS_SET_TIME_OF_DAY = 4, 363 RTAS_EVENT_SCAN = 6, 364 RTAS_CHECK_EXCEPTION = 7, 365 RTAS_READ_PCI_CONFIG = 8, 366 RTAS_WRITE_PCI_CONFIG = 9, 367 RTAS_DISPLAY_CHARACTER = 10, 368 RTAS_SET_INDICATOR = 11, 369 RTAS_POWER_OFF = 17, 370 RTAS_SUSPEND = 18, 371 RTAS_HIBERNATE = 19, 372 RTAS_SYSTEM_REBOOT = 20, 373 }; 374 375 static target_ulong pegasos2_rtas(PowerPCCPU *cpu, Pegasos2MachineState *pm, 376 target_ulong args_real) 377 { 378 AddressSpace *as = CPU(cpu)->as; 379 uint32_t token = ldl_be_phys(as, args_real); 380 uint32_t nargs = ldl_be_phys(as, args_real + 4); 381 uint32_t nrets = ldl_be_phys(as, args_real + 8); 382 uint32_t args = args_real + 12; 383 uint32_t rets = args_real + 12 + nargs * 4; 384 385 if (nrets < 1) { 386 qemu_log_mask(LOG_GUEST_ERROR, "Too few return values in RTAS call\n"); 387 return H_PARAMETER; 388 } 389 switch (token) { 390 case RTAS_GET_TIME_OF_DAY: 391 { 392 QObject *qo = object_property_get_qobject(qdev_get_machine(), 393 "rtc-time", &error_fatal); 394 QDict *qd = qobject_to(QDict, qo); 395 396 if (nargs != 0 || nrets != 8 || !qd) { 397 stl_be_phys(as, rets, -1); 398 qobject_unref(qo); 399 return H_PARAMETER; 400 } 401 402 stl_be_phys(as, rets, 0); 403 stl_be_phys(as, rets + 4, qdict_get_int(qd, "tm_year") + 1900); 404 stl_be_phys(as, rets + 8, qdict_get_int(qd, "tm_mon") + 1); 405 stl_be_phys(as, rets + 12, qdict_get_int(qd, "tm_mday")); 406 stl_be_phys(as, rets + 16, qdict_get_int(qd, "tm_hour")); 407 stl_be_phys(as, rets + 20, qdict_get_int(qd, "tm_min")); 408 stl_be_phys(as, rets + 24, qdict_get_int(qd, "tm_sec")); 409 stl_be_phys(as, rets + 28, 0); 410 qobject_unref(qo); 411 return H_SUCCESS; 412 } 413 case RTAS_READ_PCI_CONFIG: 414 { 415 uint32_t addr, len, val; 416 417 if (nargs != 2 || nrets != 2) { 418 stl_be_phys(as, rets, -1); 419 return H_PARAMETER; 420 } 421 addr = ldl_be_phys(as, args); 422 len = ldl_be_phys(as, args + 4); 423 val = pegasos2_pci_config_read(pm, !(addr >> 24), 424 addr & 0x0fffffff, len); 425 stl_be_phys(as, rets, 0); 426 stl_be_phys(as, rets + 4, val); 427 return H_SUCCESS; 428 } 429 case RTAS_WRITE_PCI_CONFIG: 430 { 431 uint32_t addr, len, val; 432 433 if (nargs != 3 || nrets != 1) { 434 stl_be_phys(as, rets, -1); 435 return H_PARAMETER; 436 } 437 addr = ldl_be_phys(as, args); 438 len = ldl_be_phys(as, args + 4); 439 val = ldl_be_phys(as, args + 8); 440 pegasos2_pci_config_write(pm, !(addr >> 24), 441 addr & 0x0fffffff, len, val); 442 stl_be_phys(as, rets, 0); 443 return H_SUCCESS; 444 } 445 case RTAS_DISPLAY_CHARACTER: 446 if (nargs != 1 || nrets != 1) { 447 stl_be_phys(as, rets, -1); 448 return H_PARAMETER; 449 } 450 qemu_log_mask(LOG_UNIMP, "%c", ldl_be_phys(as, args)); 451 stl_be_phys(as, rets, 0); 452 return H_SUCCESS; 453 case RTAS_POWER_OFF: 454 { 455 if (nargs != 2 || nrets != 1) { 456 stl_be_phys(as, rets, -1); 457 return H_PARAMETER; 458 } 459 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 460 stl_be_phys(as, rets, 0); 461 return H_SUCCESS; 462 } 463 default: 464 qemu_log_mask(LOG_UNIMP, "Unknown RTAS token %u (args=%u, rets=%u)\n", 465 token, nargs, nrets); 466 stl_be_phys(as, rets, 0); 467 return H_SUCCESS; 468 } 469 } 470 471 static bool pegasos2_cpu_in_nested(PowerPCCPU *cpu) 472 { 473 return false; 474 } 475 476 static void pegasos2_hypercall(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) 477 { 478 Pegasos2MachineState *pm = PEGASOS2_MACHINE(vhyp); 479 CPUPPCState *env = &cpu->env; 480 481 /* The TCG path should also be holding the BQL at this point */ 482 g_assert(qemu_mutex_iothread_locked()); 483 484 if (FIELD_EX64(env->msr, MSR, PR)) { 485 qemu_log_mask(LOG_GUEST_ERROR, "Hypercall made with MSR[PR]=1\n"); 486 env->gpr[3] = H_PRIVILEGE; 487 } else if (env->gpr[3] == KVMPPC_H_RTAS) { 488 env->gpr[3] = pegasos2_rtas(cpu, pm, env->gpr[4]); 489 } else if (env->gpr[3] == KVMPPC_H_VOF_CLIENT) { 490 int ret = vof_client_call(MACHINE(pm), pm->vof, pm->fdt_blob, 491 env->gpr[4]); 492 env->gpr[3] = (ret ? H_PARAMETER : H_SUCCESS); 493 } else { 494 qemu_log_mask(LOG_GUEST_ERROR, "Unsupported hypercall " TARGET_FMT_lx 495 "\n", env->gpr[3]); 496 env->gpr[3] = -1; 497 } 498 } 499 500 static void vhyp_nop(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) 501 { 502 } 503 504 static target_ulong vhyp_encode_hpt_for_kvm_pr(PPCVirtualHypervisor *vhyp) 505 { 506 return POWERPC_CPU(current_cpu)->env.spr[SPR_SDR1]; 507 } 508 509 static bool pegasos2_setprop(MachineState *ms, const char *path, 510 const char *propname, void *val, int vallen) 511 { 512 return true; 513 } 514 515 static void pegasos2_machine_class_init(ObjectClass *oc, void *data) 516 { 517 MachineClass *mc = MACHINE_CLASS(oc); 518 PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc); 519 VofMachineIfClass *vmc = VOF_MACHINE_CLASS(oc); 520 521 mc->desc = "Genesi/bPlan Pegasos II"; 522 mc->init = pegasos2_init; 523 mc->reset = pegasos2_machine_reset; 524 mc->block_default_type = IF_IDE; 525 mc->default_boot_order = "cd"; 526 mc->default_display = "std"; 527 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7457_v1.2"); 528 mc->default_ram_id = "pegasos2.ram"; 529 mc->default_ram_size = 512 * MiB; 530 531 vhc->cpu_in_nested = pegasos2_cpu_in_nested; 532 vhc->hypercall = pegasos2_hypercall; 533 vhc->cpu_exec_enter = vhyp_nop; 534 vhc->cpu_exec_exit = vhyp_nop; 535 vhc->encode_hpt_for_kvm_pr = vhyp_encode_hpt_for_kvm_pr; 536 537 vmc->setprop = pegasos2_setprop; 538 } 539 540 static const TypeInfo pegasos2_machine_info = { 541 .name = TYPE_PEGASOS2_MACHINE, 542 .parent = TYPE_MACHINE, 543 .class_init = pegasos2_machine_class_init, 544 .instance_size = sizeof(Pegasos2MachineState), 545 .interfaces = (InterfaceInfo[]) { 546 { TYPE_PPC_VIRTUAL_HYPERVISOR }, 547 { TYPE_VOF_MACHINE_IF }, 548 { } 549 }, 550 }; 551 552 static void pegasos2_machine_register_types(void) 553 { 554 type_register_static(&pegasos2_machine_info); 555 } 556 557 type_init(pegasos2_machine_register_types) 558 559 /* FDT creation for passing to firmware */ 560 561 typedef struct { 562 void *fdt; 563 const char *path; 564 } FDTInfo; 565 566 /* We do everything in reverse order so it comes out right in the tree */ 567 568 static void dt_ide(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 569 { 570 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "spi"); 571 } 572 573 static void dt_usb(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 574 { 575 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 0); 576 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 1); 577 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "usb"); 578 } 579 580 static void dt_isa(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 581 { 582 GString *name = g_string_sized_new(64); 583 uint32_t cells[3]; 584 585 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 1); 586 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 2); 587 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "isa"); 588 qemu_fdt_setprop_string(fi->fdt, fi->path, "name", "isa"); 589 590 /* additional devices */ 591 g_string_printf(name, "%s/lpt@i3bc", fi->path); 592 qemu_fdt_add_subnode(fi->fdt, name->str); 593 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 594 cells[0] = cpu_to_be32(7); 595 cells[1] = 0; 596 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 597 cells, 2 * sizeof(cells[0])); 598 cells[0] = cpu_to_be32(1); 599 cells[1] = cpu_to_be32(0x3bc); 600 cells[2] = cpu_to_be32(8); 601 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 602 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "lpt"); 603 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "lpt"); 604 605 g_string_printf(name, "%s/fdc@i3f0", fi->path); 606 qemu_fdt_add_subnode(fi->fdt, name->str); 607 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 608 cells[0] = cpu_to_be32(6); 609 cells[1] = 0; 610 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 611 cells, 2 * sizeof(cells[0])); 612 cells[0] = cpu_to_be32(1); 613 cells[1] = cpu_to_be32(0x3f0); 614 cells[2] = cpu_to_be32(8); 615 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 616 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "fdc"); 617 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "fdc"); 618 619 g_string_printf(name, "%s/timer@i40", fi->path); 620 qemu_fdt_add_subnode(fi->fdt, name->str); 621 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 622 cells[0] = cpu_to_be32(1); 623 cells[1] = cpu_to_be32(0x40); 624 cells[2] = cpu_to_be32(8); 625 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 626 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "timer"); 627 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "timer"); 628 629 g_string_printf(name, "%s/rtc@i70", fi->path); 630 qemu_fdt_add_subnode(fi->fdt, name->str); 631 qemu_fdt_setprop_string(fi->fdt, name->str, "compatible", "ds1385-rtc"); 632 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 633 cells[0] = cpu_to_be32(8); 634 cells[1] = 0; 635 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 636 cells, 2 * sizeof(cells[0])); 637 cells[0] = cpu_to_be32(1); 638 cells[1] = cpu_to_be32(0x70); 639 cells[2] = cpu_to_be32(2); 640 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 641 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "rtc"); 642 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "rtc"); 643 644 g_string_printf(name, "%s/keyboard@i60", fi->path); 645 qemu_fdt_add_subnode(fi->fdt, name->str); 646 cells[0] = cpu_to_be32(1); 647 cells[1] = 0; 648 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 649 cells, 2 * sizeof(cells[0])); 650 cells[0] = cpu_to_be32(1); 651 cells[1] = cpu_to_be32(0x60); 652 cells[2] = cpu_to_be32(5); 653 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 654 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "keyboard"); 655 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "keyboard"); 656 657 g_string_printf(name, "%s/8042@i60", fi->path); 658 qemu_fdt_add_subnode(fi->fdt, name->str); 659 qemu_fdt_setprop_cell(fi->fdt, name->str, "#interrupt-cells", 2); 660 qemu_fdt_setprop_cell(fi->fdt, name->str, "#size-cells", 0); 661 qemu_fdt_setprop_cell(fi->fdt, name->str, "#address-cells", 1); 662 qemu_fdt_setprop_string(fi->fdt, name->str, "interrupt-controller", ""); 663 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 664 cells[0] = cpu_to_be32(1); 665 cells[1] = cpu_to_be32(0x60); 666 cells[2] = cpu_to_be32(5); 667 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 668 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", ""); 669 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "8042"); 670 671 g_string_printf(name, "%s/serial@i2f8", fi->path); 672 qemu_fdt_add_subnode(fi->fdt, name->str); 673 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 674 cells[0] = cpu_to_be32(3); 675 cells[1] = 0; 676 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 677 cells, 2 * sizeof(cells[0])); 678 cells[0] = cpu_to_be32(1); 679 cells[1] = cpu_to_be32(0x2f8); 680 cells[2] = cpu_to_be32(8); 681 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 682 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "serial"); 683 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "serial"); 684 685 g_string_free(name, TRUE); 686 } 687 688 static struct { 689 const char *id; 690 const char *name; 691 void (*dtf)(PCIBus *bus, PCIDevice *d, FDTInfo *fi); 692 } device_map[] = { 693 { "pci11ab,6460", "host", NULL }, 694 { "pci1106,8231", "isa", dt_isa }, 695 { "pci1106,571", "ide", dt_ide }, 696 { "pci1106,3044", "firewire", NULL }, 697 { "pci1106,3038", "usb", dt_usb }, 698 { "pci1106,8235", "other", NULL }, 699 { "pci1106,3058", "sound", NULL }, 700 { NULL, NULL } 701 }; 702 703 static void add_pci_device(PCIBus *bus, PCIDevice *d, void *opaque) 704 { 705 FDTInfo *fi = opaque; 706 GString *node = g_string_new(NULL); 707 uint32_t cells[(PCI_NUM_REGIONS + 1) * 5]; 708 int i, j; 709 const char *name = NULL; 710 g_autofree const gchar *pn = g_strdup_printf("pci%x,%x", 711 pci_get_word(&d->config[PCI_VENDOR_ID]), 712 pci_get_word(&d->config[PCI_DEVICE_ID])); 713 714 for (i = 0; device_map[i].id; i++) { 715 if (!strcmp(pn, device_map[i].id)) { 716 name = device_map[i].name; 717 break; 718 } 719 } 720 g_string_printf(node, "%s/%s@%x", fi->path, (name ?: pn), 721 PCI_SLOT(d->devfn)); 722 if (PCI_FUNC(d->devfn)) { 723 g_string_append_printf(node, ",%x", PCI_FUNC(d->devfn)); 724 } 725 726 qemu_fdt_add_subnode(fi->fdt, node->str); 727 if (device_map[i].dtf) { 728 FDTInfo cfi = { fi->fdt, node->str }; 729 device_map[i].dtf(bus, d, &cfi); 730 } 731 cells[0] = cpu_to_be32(d->devfn << 8); 732 cells[1] = 0; 733 cells[2] = 0; 734 cells[3] = 0; 735 cells[4] = 0; 736 j = 5; 737 for (i = 0; i < PCI_NUM_REGIONS; i++) { 738 if (!d->io_regions[i].size) { 739 continue; 740 } 741 cells[j] = cpu_to_be32(d->devfn << 8 | (PCI_BASE_ADDRESS_0 + i * 4)); 742 if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { 743 cells[j] |= cpu_to_be32(1 << 24); 744 } else { 745 cells[j] |= cpu_to_be32(2 << 24); 746 if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_PREFETCH) { 747 cells[j] |= cpu_to_be32(4 << 28); 748 } 749 } 750 cells[j + 1] = 0; 751 cells[j + 2] = 0; 752 cells[j + 3] = cpu_to_be32(d->io_regions[i].size >> 32); 753 cells[j + 4] = cpu_to_be32(d->io_regions[i].size); 754 j += 5; 755 } 756 qemu_fdt_setprop(fi->fdt, node->str, "reg", cells, j * sizeof(cells[0])); 757 qemu_fdt_setprop_string(fi->fdt, node->str, "name", name ?: pn); 758 if (pci_get_byte(&d->config[PCI_INTERRUPT_PIN])) { 759 qemu_fdt_setprop_cell(fi->fdt, node->str, "interrupts", 760 pci_get_byte(&d->config[PCI_INTERRUPT_PIN])); 761 } 762 /* Pegasos2 firmware has subsystem-id amd subsystem-vendor-id swapped */ 763 qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-vendor-id", 764 pci_get_word(&d->config[PCI_SUBSYSTEM_ID])); 765 qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-id", 766 pci_get_word(&d->config[PCI_SUBSYSTEM_VENDOR_ID])); 767 cells[0] = pci_get_long(&d->config[PCI_CLASS_REVISION]); 768 qemu_fdt_setprop_cell(fi->fdt, node->str, "class-code", cells[0] >> 8); 769 qemu_fdt_setprop_cell(fi->fdt, node->str, "revision-id", cells[0] & 0xff); 770 qemu_fdt_setprop_cell(fi->fdt, node->str, "device-id", 771 pci_get_word(&d->config[PCI_DEVICE_ID])); 772 qemu_fdt_setprop_cell(fi->fdt, node->str, "vendor-id", 773 pci_get_word(&d->config[PCI_VENDOR_ID])); 774 775 g_string_free(node, TRUE); 776 } 777 778 static void *build_fdt(MachineState *machine, int *fdt_size) 779 { 780 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 781 PowerPCCPU *cpu = pm->cpu; 782 PCIBus *pci_bus; 783 FDTInfo fi; 784 uint32_t cells[16]; 785 void *fdt = create_device_tree(fdt_size); 786 787 fi.fdt = fdt; 788 789 /* root node */ 790 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,description", 791 "Pegasos CHRP PowerPC System"); 792 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,board", "Pegasos2"); 793 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,vendor", "bplan GmbH"); 794 qemu_fdt_setprop_string(fdt, "/", "revision", "2B"); 795 qemu_fdt_setprop_string(fdt, "/", "model", "Pegasos2"); 796 qemu_fdt_setprop_string(fdt, "/", "device_type", "chrp"); 797 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 1); 798 qemu_fdt_setprop_string(fdt, "/", "name", "bplan,Pegasos2"); 799 800 /* pci@c0000000 */ 801 qemu_fdt_add_subnode(fdt, "/pci@c0000000"); 802 cells[0] = 0; 803 cells[1] = 0; 804 qemu_fdt_setprop(fdt, "/pci@c0000000", "bus-range", 805 cells, 2 * sizeof(cells[0])); 806 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "pci-bridge-number", 1); 807 cells[0] = cpu_to_be32(PCI0_MEM_BASE); 808 cells[1] = cpu_to_be32(PCI0_MEM_SIZE); 809 qemu_fdt_setprop(fdt, "/pci@c0000000", "reg", cells, 2 * sizeof(cells[0])); 810 cells[0] = cpu_to_be32(0x01000000); 811 cells[1] = 0; 812 cells[2] = 0; 813 cells[3] = cpu_to_be32(PCI0_IO_BASE); 814 cells[4] = 0; 815 cells[5] = cpu_to_be32(PCI0_IO_SIZE); 816 cells[6] = cpu_to_be32(0x02000000); 817 cells[7] = 0; 818 cells[8] = cpu_to_be32(PCI0_MEM_BASE); 819 cells[9] = cpu_to_be32(PCI0_MEM_BASE); 820 cells[10] = 0; 821 cells[11] = cpu_to_be32(PCI0_MEM_SIZE); 822 qemu_fdt_setprop(fdt, "/pci@c0000000", "ranges", 823 cells, 12 * sizeof(cells[0])); 824 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#size-cells", 2); 825 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#address-cells", 3); 826 qemu_fdt_setprop_string(fdt, "/pci@c0000000", "device_type", "pci"); 827 qemu_fdt_setprop_string(fdt, "/pci@c0000000", "name", "pci"); 828 829 fi.path = "/pci@c0000000"; 830 pci_bus = mv64361_get_pci_bus(pm->mv, 0); 831 pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); 832 833 /* pci@80000000 */ 834 qemu_fdt_add_subnode(fdt, "/pci@80000000"); 835 cells[0] = 0; 836 cells[1] = 0; 837 qemu_fdt_setprop(fdt, "/pci@80000000", "bus-range", 838 cells, 2 * sizeof(cells[0])); 839 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "pci-bridge-number", 0); 840 cells[0] = cpu_to_be32(PCI1_MEM_BASE); 841 cells[1] = cpu_to_be32(PCI1_MEM_SIZE); 842 qemu_fdt_setprop(fdt, "/pci@80000000", "reg", cells, 2 * sizeof(cells[0])); 843 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "8259-interrupt-acknowledge", 844 0xf1000cb4); 845 cells[0] = cpu_to_be32(0x01000000); 846 cells[1] = 0; 847 cells[2] = 0; 848 cells[3] = cpu_to_be32(PCI1_IO_BASE); 849 cells[4] = 0; 850 cells[5] = cpu_to_be32(PCI1_IO_SIZE); 851 cells[6] = cpu_to_be32(0x02000000); 852 cells[7] = 0; 853 cells[8] = cpu_to_be32(PCI1_MEM_BASE); 854 cells[9] = cpu_to_be32(PCI1_MEM_BASE); 855 cells[10] = 0; 856 cells[11] = cpu_to_be32(PCI1_MEM_SIZE); 857 qemu_fdt_setprop(fdt, "/pci@80000000", "ranges", 858 cells, 12 * sizeof(cells[0])); 859 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#size-cells", 2); 860 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#address-cells", 3); 861 qemu_fdt_setprop_string(fdt, "/pci@80000000", "device_type", "pci"); 862 qemu_fdt_setprop_string(fdt, "/pci@80000000", "name", "pci"); 863 864 fi.path = "/pci@80000000"; 865 pci_bus = mv64361_get_pci_bus(pm->mv, 1); 866 pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); 867 868 qemu_fdt_add_subnode(fdt, "/failsafe"); 869 qemu_fdt_setprop_string(fdt, "/failsafe", "device_type", "serial"); 870 qemu_fdt_setprop_string(fdt, "/failsafe", "name", "failsafe"); 871 872 qemu_fdt_add_subnode(fdt, "/rtas"); 873 qemu_fdt_setprop_cell(fdt, "/rtas", "system-reboot", RTAS_SYSTEM_REBOOT); 874 qemu_fdt_setprop_cell(fdt, "/rtas", "hibernate", RTAS_HIBERNATE); 875 qemu_fdt_setprop_cell(fdt, "/rtas", "suspend", RTAS_SUSPEND); 876 qemu_fdt_setprop_cell(fdt, "/rtas", "power-off", RTAS_POWER_OFF); 877 qemu_fdt_setprop_cell(fdt, "/rtas", "set-indicator", RTAS_SET_INDICATOR); 878 qemu_fdt_setprop_cell(fdt, "/rtas", "display-character", 879 RTAS_DISPLAY_CHARACTER); 880 qemu_fdt_setprop_cell(fdt, "/rtas", "write-pci-config", 881 RTAS_WRITE_PCI_CONFIG); 882 qemu_fdt_setprop_cell(fdt, "/rtas", "read-pci-config", 883 RTAS_READ_PCI_CONFIG); 884 /* Pegasos2 firmware misspells check-exception and guests use that */ 885 qemu_fdt_setprop_cell(fdt, "/rtas", "check-execption", 886 RTAS_CHECK_EXCEPTION); 887 qemu_fdt_setprop_cell(fdt, "/rtas", "event-scan", RTAS_EVENT_SCAN); 888 qemu_fdt_setprop_cell(fdt, "/rtas", "set-time-of-day", 889 RTAS_SET_TIME_OF_DAY); 890 qemu_fdt_setprop_cell(fdt, "/rtas", "get-time-of-day", 891 RTAS_GET_TIME_OF_DAY); 892 qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-store", RTAS_NVRAM_STORE); 893 qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-fetch", RTAS_NVRAM_FETCH); 894 qemu_fdt_setprop_cell(fdt, "/rtas", "restart-rtas", RTAS_RESTART_RTAS); 895 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-error-log-max", 0); 896 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-event-scan-rate", 0); 897 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-display-device", 0); 898 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size", 20); 899 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-version", 1); 900 901 /* cpus */ 902 qemu_fdt_add_subnode(fdt, "/cpus"); 903 qemu_fdt_setprop_cell(fdt, "/cpus", "#cpus", 1); 904 qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 1); 905 qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0); 906 qemu_fdt_setprop_string(fdt, "/cpus", "name", "cpus"); 907 908 /* FIXME Get CPU name from CPU object */ 909 const char *cp = "/cpus/PowerPC,G4"; 910 qemu_fdt_add_subnode(fdt, cp); 911 qemu_fdt_setprop_cell(fdt, cp, "l2cr", 0); 912 qemu_fdt_setprop_cell(fdt, cp, "d-cache-size", 0x8000); 913 qemu_fdt_setprop_cell(fdt, cp, "d-cache-block-size", 914 cpu->env.dcache_line_size); 915 qemu_fdt_setprop_cell(fdt, cp, "d-cache-line-size", 916 cpu->env.dcache_line_size); 917 qemu_fdt_setprop_cell(fdt, cp, "i-cache-size", 0x8000); 918 qemu_fdt_setprop_cell(fdt, cp, "i-cache-block-size", 919 cpu->env.icache_line_size); 920 qemu_fdt_setprop_cell(fdt, cp, "i-cache-line-size", 921 cpu->env.icache_line_size); 922 if (cpu->env.id_tlbs) { 923 qemu_fdt_setprop_cell(fdt, cp, "i-tlb-sets", cpu->env.nb_ways); 924 qemu_fdt_setprop_cell(fdt, cp, "i-tlb-size", cpu->env.tlb_per_way); 925 qemu_fdt_setprop_cell(fdt, cp, "d-tlb-sets", cpu->env.nb_ways); 926 qemu_fdt_setprop_cell(fdt, cp, "d-tlb-size", cpu->env.tlb_per_way); 927 qemu_fdt_setprop_string(fdt, cp, "tlb-split", ""); 928 } 929 qemu_fdt_setprop_cell(fdt, cp, "tlb-sets", cpu->env.nb_ways); 930 qemu_fdt_setprop_cell(fdt, cp, "tlb-size", cpu->env.nb_tlb); 931 qemu_fdt_setprop_string(fdt, cp, "state", "running"); 932 if (cpu->env.insns_flags & PPC_ALTIVEC) { 933 qemu_fdt_setprop_string(fdt, cp, "altivec", ""); 934 qemu_fdt_setprop_string(fdt, cp, "data-streams", ""); 935 } 936 /* 937 * FIXME What flags do data-streams, external-control and 938 * performance-monitor depend on? 939 */ 940 qemu_fdt_setprop_string(fdt, cp, "external-control", ""); 941 if (cpu->env.insns_flags & PPC_FLOAT_FSQRT) { 942 qemu_fdt_setprop_string(fdt, cp, "general-purpose", ""); 943 } 944 qemu_fdt_setprop_string(fdt, cp, "performance-monitor", ""); 945 if (cpu->env.insns_flags & PPC_FLOAT_FRES) { 946 qemu_fdt_setprop_string(fdt, cp, "graphics", ""); 947 } 948 qemu_fdt_setprop_cell(fdt, cp, "reservation-granule-size", 4); 949 qemu_fdt_setprop_cell(fdt, cp, "timebase-frequency", 950 cpu->env.tb_env->tb_freq); 951 qemu_fdt_setprop_cell(fdt, cp, "bus-frequency", BUS_FREQ_HZ); 952 qemu_fdt_setprop_cell(fdt, cp, "clock-frequency", BUS_FREQ_HZ * 7.5); 953 qemu_fdt_setprop_cell(fdt, cp, "cpu-version", cpu->env.spr[SPR_PVR]); 954 cells[0] = 0; 955 cells[1] = 0; 956 qemu_fdt_setprop(fdt, cp, "reg", cells, 2 * sizeof(cells[0])); 957 qemu_fdt_setprop_string(fdt, cp, "device_type", "cpu"); 958 qemu_fdt_setprop_string(fdt, cp, "name", strrchr(cp, '/') + 1); 959 960 /* memory */ 961 qemu_fdt_add_subnode(fdt, "/memory@0"); 962 cells[0] = 0; 963 cells[1] = cpu_to_be32(machine->ram_size); 964 qemu_fdt_setprop(fdt, "/memory@0", "reg", cells, 2 * sizeof(cells[0])); 965 qemu_fdt_setprop_string(fdt, "/memory@0", "device_type", "memory"); 966 qemu_fdt_setprop_string(fdt, "/memory@0", "name", "memory"); 967 968 qemu_fdt_add_subnode(fdt, "/chosen"); 969 qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", 970 machine->kernel_cmdline ?: ""); 971 qemu_fdt_setprop_string(fdt, "/chosen", "name", "chosen"); 972 973 qemu_fdt_add_subnode(fdt, "/openprom"); 974 qemu_fdt_setprop_string(fdt, "/openprom", "model", "Pegasos2,1.1"); 975 976 return fdt; 977 } 978