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 INITRD_MIN_ADDR 0x600000 48 49 #define KVMPPC_HCALL_BASE 0xf000 50 #define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0) 51 #define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5) 52 53 #define H_SUCCESS 0 54 #define H_PRIVILEGE -3 /* Caller not privileged */ 55 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */ 56 57 #define BUS_FREQ_HZ 133333333 58 59 #define PCI0_CFG_ADDR 0xcf8 60 #define PCI0_MEM_BASE 0xc0000000 61 #define PCI0_MEM_SIZE 0x20000000 62 #define PCI0_IO_BASE 0xf8000000 63 #define PCI0_IO_SIZE 0x10000 64 65 #define PCI1_CFG_ADDR 0xc78 66 #define PCI1_MEM_BASE 0x80000000 67 #define PCI1_MEM_SIZE 0x40000000 68 #define PCI1_IO_BASE 0xfe000000 69 #define PCI1_IO_SIZE 0x10000 70 71 #define TYPE_PEGASOS2_MACHINE MACHINE_TYPE_NAME("pegasos2") 72 OBJECT_DECLARE_TYPE(Pegasos2MachineState, MachineClass, PEGASOS2_MACHINE) 73 74 struct Pegasos2MachineState { 75 MachineState parent_obj; 76 PowerPCCPU *cpu; 77 DeviceState *mv; 78 qemu_irq mv_pirq[PCI_NUM_PINS]; 79 qemu_irq via_pirq[PCI_NUM_PINS]; 80 Vof *vof; 81 void *fdt_blob; 82 uint64_t kernel_addr; 83 uint64_t kernel_entry; 84 uint64_t kernel_size; 85 uint64_t initrd_addr; 86 uint64_t initrd_size; 87 }; 88 89 static void *build_fdt(MachineState *machine, int *fdt_size); 90 91 static void pegasos2_cpu_reset(void *opaque) 92 { 93 PowerPCCPU *cpu = opaque; 94 Pegasos2MachineState *pm = PEGASOS2_MACHINE(current_machine); 95 96 cpu_reset(CPU(cpu)); 97 cpu->env.spr[SPR_HID1] = 7ULL << 28; 98 if (pm->vof) { 99 cpu->env.gpr[1] = 2 * VOF_STACK_SIZE - 0x20; 100 cpu->env.nip = 0x100; 101 } 102 cpu_ppc_tb_reset(&cpu->env); 103 } 104 105 static void pegasos2_pci_irq(void *opaque, int n, int level) 106 { 107 Pegasos2MachineState *pm = opaque; 108 109 /* PCI interrupt lines are connected to both MV64361 and VT8231 */ 110 qemu_set_irq(pm->mv_pirq[n], level); 111 qemu_set_irq(pm->via_pirq[n], level); 112 } 113 114 static void pegasos2_init(MachineState *machine) 115 { 116 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 117 CPUPPCState *env; 118 MemoryRegion *rom = g_new(MemoryRegion, 1); 119 PCIBus *pci_bus; 120 Object *via; 121 PCIDevice *dev; 122 I2CBus *i2c_bus; 123 const char *fwname = machine->firmware ?: PROM_FILENAME; 124 char *filename; 125 int i; 126 ssize_t sz; 127 uint8_t *spd_data; 128 129 /* init CPU */ 130 pm->cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); 131 env = &pm->cpu->env; 132 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { 133 error_report("Incompatible CPU, only 6xx bus supported"); 134 exit(1); 135 } 136 137 /* Set time-base frequency */ 138 cpu_ppc_tb_init(env, BUS_FREQ_HZ / 4); 139 qemu_register_reset(pegasos2_cpu_reset, pm->cpu); 140 141 /* RAM */ 142 if (machine->ram_size > 2 * GiB) { 143 error_report("RAM size more than 2 GiB is not supported"); 144 exit(1); 145 } 146 memory_region_add_subregion(get_system_memory(), 0, machine->ram); 147 148 /* allocate and load firmware */ 149 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname); 150 if (!filename) { 151 error_report("Could not find firmware '%s'", fwname); 152 exit(1); 153 } 154 if (!machine->firmware && !pm->vof) { 155 pm->vof = g_malloc0(sizeof(*pm->vof)); 156 } 157 memory_region_init_rom(rom, NULL, "pegasos2.rom", PROM_SIZE, &error_fatal); 158 memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom); 159 sz = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, 160 PPC_ELF_MACHINE, 0, 0); 161 if (sz <= 0) { 162 sz = load_image_targphys(filename, pm->vof ? 0 : PROM_ADDR, PROM_SIZE); 163 } 164 if (sz <= 0 || sz > PROM_SIZE) { 165 error_report("Could not load firmware '%s'", filename); 166 exit(1); 167 } 168 g_free(filename); 169 if (pm->vof) { 170 pm->vof->fw_size = sz; 171 } 172 173 /* Marvell Discovery II system controller */ 174 pm->mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1, 175 qdev_get_gpio_in(DEVICE(pm->cpu), PPC6xx_INPUT_INT))); 176 for (i = 0; i < PCI_NUM_PINS; i++) { 177 pm->mv_pirq[i] = qdev_get_gpio_in_named(pm->mv, "gpp", 12 + i); 178 } 179 pci_bus = mv64361_get_pci_bus(pm->mv, 1); 180 pci_bus_irqs(pci_bus, pegasos2_pci_irq, pm, PCI_NUM_PINS); 181 182 /* VIA VT8231 South Bridge (multifunction PCI device) */ 183 via = OBJECT(pci_new_multifunction(PCI_DEVFN(12, 0), TYPE_VT8231_ISA)); 184 185 /* Set properties on individual devices before realizing the south bridge */ 186 if (machine->audiodev) { 187 dev = PCI_DEVICE(object_resolve_path_component(via, "ac97")); 188 qdev_prop_set_string(DEVICE(dev), "audiodev", machine->audiodev); 189 } 190 191 pci_realize_and_unref(PCI_DEVICE(via), pci_bus, &error_abort); 192 for (i = 0; i < PCI_NUM_PINS; i++) { 193 pm->via_pirq[i] = qdev_get_gpio_in_named(DEVICE(via), "pirq", i); 194 } 195 object_property_add_alias(OBJECT(machine), "rtc-time", 196 object_resolve_path_component(via, "rtc"), 197 "date"); 198 qdev_connect_gpio_out(DEVICE(via), 0, 199 qdev_get_gpio_in_named(pm->mv, "gpp", 31)); 200 201 dev = PCI_DEVICE(object_resolve_path_component(via, "ide")); 202 pci_ide_create_devs(dev); 203 204 dev = PCI_DEVICE(object_resolve_path_component(via, "pm")); 205 i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c")); 206 spd_data = spd_data_generate(DDR, machine->ram_size); 207 smbus_eeprom_init_one(i2c_bus, 0x57, spd_data); 208 209 /* other PC hardware */ 210 pci_vga_init(pci_bus); 211 212 if (machine->kernel_filename) { 213 sz = load_elf(machine->kernel_filename, NULL, NULL, NULL, 214 &pm->kernel_entry, &pm->kernel_addr, NULL, NULL, 1, 215 PPC_ELF_MACHINE, 0, 0); 216 if (sz <= 0) { 217 error_report("Could not load kernel '%s'", 218 machine->kernel_filename); 219 exit(1); 220 } 221 pm->kernel_size = sz; 222 if (!pm->vof) { 223 warn_report("Option -kernel may be ineffective with -bios."); 224 } 225 } else if (pm->vof && !qtest_enabled()) { 226 warn_report("Using Virtual OpenFirmware but no -kernel option."); 227 } 228 229 if (machine->initrd_filename) { 230 pm->initrd_addr = pm->kernel_addr + pm->kernel_size + 64 * KiB; 231 pm->initrd_addr = ROUND_UP(pm->initrd_addr, 4); 232 pm->initrd_addr = MAX(pm->initrd_addr, INITRD_MIN_ADDR); 233 sz = load_image_targphys(machine->initrd_filename, pm->initrd_addr, 234 machine->ram_size - pm->initrd_addr); 235 if (sz <= 0) { 236 error_report("Could not load initrd '%s'", 237 machine->initrd_filename); 238 exit(1); 239 } 240 pm->initrd_size = sz; 241 } 242 243 if (!pm->vof && machine->kernel_cmdline && machine->kernel_cmdline[0]) { 244 warn_report("Option -append may be ineffective with -bios."); 245 } 246 } 247 248 static uint32_t pegasos2_mv_reg_read(Pegasos2MachineState *pm, 249 uint32_t addr, uint32_t len) 250 { 251 MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); 252 uint64_t val = 0xffffffffULL; 253 memory_region_dispatch_read(r, addr, &val, size_memop(len) | MO_LE, 254 MEMTXATTRS_UNSPECIFIED); 255 return val; 256 } 257 258 static void pegasos2_mv_reg_write(Pegasos2MachineState *pm, uint32_t addr, 259 uint32_t len, uint32_t val) 260 { 261 MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); 262 memory_region_dispatch_write(r, addr, val, size_memop(len) | MO_LE, 263 MEMTXATTRS_UNSPECIFIED); 264 } 265 266 static uint32_t pegasos2_pci_config_read(Pegasos2MachineState *pm, int bus, 267 uint32_t addr, uint32_t len) 268 { 269 hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; 270 uint64_t val = 0xffffffffULL; 271 272 if (len <= 4) { 273 pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); 274 val = pegasos2_mv_reg_read(pm, pcicfg + 4, len); 275 } 276 return val; 277 } 278 279 static void pegasos2_pci_config_write(Pegasos2MachineState *pm, int bus, 280 uint32_t addr, uint32_t len, uint32_t val) 281 { 282 hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; 283 284 pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); 285 pegasos2_mv_reg_write(pm, pcicfg + 4, len, val); 286 } 287 288 static void pegasos2_machine_reset(MachineState *machine, ShutdownCause reason) 289 { 290 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 291 void *fdt; 292 uint64_t d[2]; 293 int sz; 294 295 qemu_devices_reset(reason); 296 if (!pm->vof) { 297 return; /* Firmware should set up machine so nothing to do */ 298 } 299 300 /* Otherwise, set up devices that board firmware would normally do */ 301 pegasos2_mv_reg_write(pm, 0, 4, 0x28020ff); 302 pegasos2_mv_reg_write(pm, 0x278, 4, 0xa31fc); 303 pegasos2_mv_reg_write(pm, 0xf300, 4, 0x11ff0400); 304 pegasos2_mv_reg_write(pm, 0xf10c, 4, 0x80000000); 305 pegasos2_mv_reg_write(pm, 0x1c, 4, 0x8000000); 306 pegasos2_pci_config_write(pm, 0, PCI_COMMAND, 2, PCI_COMMAND_IO | 307 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); 308 pegasos2_pci_config_write(pm, 1, PCI_COMMAND, 2, PCI_COMMAND_IO | 309 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); 310 311 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 312 PCI_INTERRUPT_LINE, 2, 0x9); 313 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 314 0x50, 1, 0x2); 315 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 316 0x55, 1, 0x90); 317 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 318 0x56, 1, 0x99); 319 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 320 0x57, 1, 0x90); 321 322 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 323 PCI_INTERRUPT_LINE, 2, 0x109); 324 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 325 PCI_CLASS_PROG, 1, 0xf); 326 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 327 0x40, 1, 0xb); 328 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 329 0x50, 4, 0x17171717); 330 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 331 PCI_COMMAND, 2, 0x87); 332 333 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 2) << 8) | 334 PCI_INTERRUPT_LINE, 2, 0x409); 335 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 2) << 8) | 336 PCI_COMMAND, 2, 0x7); 337 338 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 3) << 8) | 339 PCI_INTERRUPT_LINE, 2, 0x409); 340 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 3) << 8) | 341 PCI_COMMAND, 2, 0x7); 342 343 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 344 PCI_INTERRUPT_LINE, 2, 0x9); 345 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 346 0x48, 4, 0xf00); 347 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 348 0x40, 4, 0x558020); 349 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 350 0x90, 4, 0xd00); 351 352 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 5) << 8) | 353 PCI_INTERRUPT_LINE, 2, 0x309); 354 355 pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 6) << 8) | 356 PCI_INTERRUPT_LINE, 2, 0x309); 357 358 /* Device tree and VOF set up */ 359 vof_init(pm->vof, machine->ram_size, &error_fatal); 360 if (vof_claim(pm->vof, 0, VOF_STACK_SIZE, VOF_STACK_SIZE) == -1) { 361 error_report("Memory allocation for stack failed"); 362 exit(1); 363 } 364 if (pm->kernel_size && 365 vof_claim(pm->vof, pm->kernel_addr, pm->kernel_size, 0) == -1) { 366 error_report("Memory for kernel is in use"); 367 exit(1); 368 } 369 if (pm->initrd_size && 370 vof_claim(pm->vof, pm->initrd_addr, pm->initrd_size, 0) == -1) { 371 error_report("Memory for initrd is in use"); 372 exit(1); 373 } 374 fdt = build_fdt(machine, &sz); 375 /* FIXME: VOF assumes entry is same as load address */ 376 d[0] = cpu_to_be64(pm->kernel_entry); 377 d[1] = cpu_to_be64(pm->kernel_size - (pm->kernel_entry - pm->kernel_addr)); 378 qemu_fdt_setprop(fdt, "/chosen", "qemu,boot-kernel", d, sizeof(d)); 379 380 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 381 g_free(pm->fdt_blob); 382 pm->fdt_blob = fdt; 383 384 vof_build_dt(fdt, pm->vof); 385 vof_client_open_store(fdt, pm->vof, "/chosen", "stdout", "/failsafe"); 386 387 /* Set machine->fdt for 'dumpdtb' QMP/HMP command */ 388 machine->fdt = fdt; 389 390 pm->cpu->vhyp = PPC_VIRTUAL_HYPERVISOR(machine); 391 } 392 393 enum pegasos2_rtas_tokens { 394 RTAS_RESTART_RTAS = 0, 395 RTAS_NVRAM_FETCH = 1, 396 RTAS_NVRAM_STORE = 2, 397 RTAS_GET_TIME_OF_DAY = 3, 398 RTAS_SET_TIME_OF_DAY = 4, 399 RTAS_EVENT_SCAN = 6, 400 RTAS_CHECK_EXCEPTION = 7, 401 RTAS_READ_PCI_CONFIG = 8, 402 RTAS_WRITE_PCI_CONFIG = 9, 403 RTAS_DISPLAY_CHARACTER = 10, 404 RTAS_SET_INDICATOR = 11, 405 RTAS_POWER_OFF = 17, 406 RTAS_SUSPEND = 18, 407 RTAS_HIBERNATE = 19, 408 RTAS_SYSTEM_REBOOT = 20, 409 }; 410 411 static target_ulong pegasos2_rtas(PowerPCCPU *cpu, Pegasos2MachineState *pm, 412 target_ulong args_real) 413 { 414 AddressSpace *as = CPU(cpu)->as; 415 uint32_t token = ldl_be_phys(as, args_real); 416 uint32_t nargs = ldl_be_phys(as, args_real + 4); 417 uint32_t nrets = ldl_be_phys(as, args_real + 8); 418 uint32_t args = args_real + 12; 419 uint32_t rets = args_real + 12 + nargs * 4; 420 421 if (nrets < 1) { 422 qemu_log_mask(LOG_GUEST_ERROR, "Too few return values in RTAS call\n"); 423 return H_PARAMETER; 424 } 425 switch (token) { 426 case RTAS_GET_TIME_OF_DAY: 427 { 428 QObject *qo = object_property_get_qobject(qdev_get_machine(), 429 "rtc-time", &error_fatal); 430 QDict *qd = qobject_to(QDict, qo); 431 432 if (nargs != 0 || nrets != 8 || !qd) { 433 stl_be_phys(as, rets, -1); 434 qobject_unref(qo); 435 return H_PARAMETER; 436 } 437 438 stl_be_phys(as, rets, 0); 439 stl_be_phys(as, rets + 4, qdict_get_int(qd, "tm_year") + 1900); 440 stl_be_phys(as, rets + 8, qdict_get_int(qd, "tm_mon") + 1); 441 stl_be_phys(as, rets + 12, qdict_get_int(qd, "tm_mday")); 442 stl_be_phys(as, rets + 16, qdict_get_int(qd, "tm_hour")); 443 stl_be_phys(as, rets + 20, qdict_get_int(qd, "tm_min")); 444 stl_be_phys(as, rets + 24, qdict_get_int(qd, "tm_sec")); 445 stl_be_phys(as, rets + 28, 0); 446 qobject_unref(qo); 447 return H_SUCCESS; 448 } 449 case RTAS_READ_PCI_CONFIG: 450 { 451 uint32_t addr, len, val; 452 453 if (nargs != 2 || nrets != 2) { 454 stl_be_phys(as, rets, -1); 455 return H_PARAMETER; 456 } 457 addr = ldl_be_phys(as, args); 458 len = ldl_be_phys(as, args + 4); 459 val = pegasos2_pci_config_read(pm, !(addr >> 24), 460 addr & 0x0fffffff, len); 461 stl_be_phys(as, rets, 0); 462 stl_be_phys(as, rets + 4, val); 463 return H_SUCCESS; 464 } 465 case RTAS_WRITE_PCI_CONFIG: 466 { 467 uint32_t addr, len, val; 468 469 if (nargs != 3 || nrets != 1) { 470 stl_be_phys(as, rets, -1); 471 return H_PARAMETER; 472 } 473 addr = ldl_be_phys(as, args); 474 len = ldl_be_phys(as, args + 4); 475 val = ldl_be_phys(as, args + 8); 476 pegasos2_pci_config_write(pm, !(addr >> 24), 477 addr & 0x0fffffff, len, val); 478 stl_be_phys(as, rets, 0); 479 return H_SUCCESS; 480 } 481 case RTAS_DISPLAY_CHARACTER: 482 if (nargs != 1 || nrets != 1) { 483 stl_be_phys(as, rets, -1); 484 return H_PARAMETER; 485 } 486 qemu_log_mask(LOG_UNIMP, "%c", ldl_be_phys(as, args)); 487 stl_be_phys(as, rets, 0); 488 return H_SUCCESS; 489 case RTAS_POWER_OFF: 490 { 491 if (nargs != 2 || nrets != 1) { 492 stl_be_phys(as, rets, -1); 493 return H_PARAMETER; 494 } 495 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 496 stl_be_phys(as, rets, 0); 497 return H_SUCCESS; 498 } 499 default: 500 qemu_log_mask(LOG_UNIMP, "Unknown RTAS token %u (args=%u, rets=%u)\n", 501 token, nargs, nrets); 502 stl_be_phys(as, rets, 0); 503 return H_SUCCESS; 504 } 505 } 506 507 static bool pegasos2_cpu_in_nested(PowerPCCPU *cpu) 508 { 509 return false; 510 } 511 512 static void pegasos2_hypercall(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) 513 { 514 Pegasos2MachineState *pm = PEGASOS2_MACHINE(vhyp); 515 CPUPPCState *env = &cpu->env; 516 517 /* The TCG path should also be holding the BQL at this point */ 518 g_assert(bql_locked()); 519 520 if (FIELD_EX64(env->msr, MSR, PR)) { 521 qemu_log_mask(LOG_GUEST_ERROR, "Hypercall made with MSR[PR]=1\n"); 522 env->gpr[3] = H_PRIVILEGE; 523 } else if (env->gpr[3] == KVMPPC_H_RTAS) { 524 env->gpr[3] = pegasos2_rtas(cpu, pm, env->gpr[4]); 525 } else if (env->gpr[3] == KVMPPC_H_VOF_CLIENT) { 526 int ret = vof_client_call(MACHINE(pm), pm->vof, pm->fdt_blob, 527 env->gpr[4]); 528 env->gpr[3] = (ret ? H_PARAMETER : H_SUCCESS); 529 } else { 530 qemu_log_mask(LOG_GUEST_ERROR, "Unsupported hypercall " TARGET_FMT_lx 531 "\n", env->gpr[3]); 532 env->gpr[3] = -1; 533 } 534 } 535 536 static void vhyp_nop(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) 537 { 538 } 539 540 static target_ulong vhyp_encode_hpt_for_kvm_pr(PPCVirtualHypervisor *vhyp) 541 { 542 return POWERPC_CPU(current_cpu)->env.spr[SPR_SDR1]; 543 } 544 545 static bool pegasos2_setprop(MachineState *ms, const char *path, 546 const char *propname, void *val, int vallen) 547 { 548 return true; 549 } 550 551 static void pegasos2_machine_class_init(ObjectClass *oc, void *data) 552 { 553 MachineClass *mc = MACHINE_CLASS(oc); 554 PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc); 555 VofMachineIfClass *vmc = VOF_MACHINE_CLASS(oc); 556 557 mc->desc = "Genesi/bPlan Pegasos II"; 558 mc->init = pegasos2_init; 559 mc->reset = pegasos2_machine_reset; 560 mc->block_default_type = IF_IDE; 561 mc->default_boot_order = "cd"; 562 mc->default_display = "std"; 563 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7457_v1.2"); 564 mc->default_ram_id = "pegasos2.ram"; 565 mc->default_ram_size = 512 * MiB; 566 machine_add_audiodev_property(mc); 567 568 vhc->cpu_in_nested = pegasos2_cpu_in_nested; 569 vhc->hypercall = pegasos2_hypercall; 570 vhc->cpu_exec_enter = vhyp_nop; 571 vhc->cpu_exec_exit = vhyp_nop; 572 vhc->encode_hpt_for_kvm_pr = vhyp_encode_hpt_for_kvm_pr; 573 574 vmc->setprop = pegasos2_setprop; 575 } 576 577 static const TypeInfo pegasos2_machine_info = { 578 .name = TYPE_PEGASOS2_MACHINE, 579 .parent = TYPE_MACHINE, 580 .class_init = pegasos2_machine_class_init, 581 .instance_size = sizeof(Pegasos2MachineState), 582 .interfaces = (InterfaceInfo[]) { 583 { TYPE_PPC_VIRTUAL_HYPERVISOR }, 584 { TYPE_VOF_MACHINE_IF }, 585 { } 586 }, 587 }; 588 589 static void pegasos2_machine_register_types(void) 590 { 591 type_register_static(&pegasos2_machine_info); 592 } 593 594 type_init(pegasos2_machine_register_types) 595 596 /* FDT creation for passing to firmware */ 597 598 typedef struct { 599 void *fdt; 600 const char *path; 601 } FDTInfo; 602 603 /* We do everything in reverse order so it comes out right in the tree */ 604 605 static void dt_ide(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 606 { 607 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "spi"); 608 } 609 610 static void dt_usb(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 611 { 612 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 0); 613 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 1); 614 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "usb"); 615 } 616 617 static void dt_isa(PCIBus *bus, PCIDevice *d, FDTInfo *fi) 618 { 619 GString *name = g_string_sized_new(64); 620 uint32_t cells[3]; 621 622 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 1); 623 qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 2); 624 qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "isa"); 625 qemu_fdt_setprop_string(fi->fdt, fi->path, "name", "isa"); 626 627 /* additional devices */ 628 g_string_printf(name, "%s/lpt@i3bc", fi->path); 629 qemu_fdt_add_subnode(fi->fdt, name->str); 630 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 631 cells[0] = cpu_to_be32(7); 632 cells[1] = 0; 633 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 634 cells, 2 * sizeof(cells[0])); 635 cells[0] = cpu_to_be32(1); 636 cells[1] = cpu_to_be32(0x3bc); 637 cells[2] = cpu_to_be32(8); 638 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 639 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "lpt"); 640 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "lpt"); 641 642 g_string_printf(name, "%s/fdc@i3f0", fi->path); 643 qemu_fdt_add_subnode(fi->fdt, name->str); 644 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 645 cells[0] = cpu_to_be32(6); 646 cells[1] = 0; 647 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 648 cells, 2 * sizeof(cells[0])); 649 cells[0] = cpu_to_be32(1); 650 cells[1] = cpu_to_be32(0x3f0); 651 cells[2] = cpu_to_be32(8); 652 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 653 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "fdc"); 654 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "fdc"); 655 656 g_string_printf(name, "%s/timer@i40", fi->path); 657 qemu_fdt_add_subnode(fi->fdt, name->str); 658 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 659 cells[0] = cpu_to_be32(1); 660 cells[1] = cpu_to_be32(0x40); 661 cells[2] = cpu_to_be32(8); 662 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 663 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "timer"); 664 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "timer"); 665 666 g_string_printf(name, "%s/rtc@i70", fi->path); 667 qemu_fdt_add_subnode(fi->fdt, name->str); 668 qemu_fdt_setprop_string(fi->fdt, name->str, "compatible", "ds1385-rtc"); 669 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 670 cells[0] = cpu_to_be32(8); 671 cells[1] = 0; 672 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 673 cells, 2 * sizeof(cells[0])); 674 cells[0] = cpu_to_be32(1); 675 cells[1] = cpu_to_be32(0x70); 676 cells[2] = cpu_to_be32(2); 677 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 678 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "rtc"); 679 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "rtc"); 680 681 g_string_printf(name, "%s/keyboard@i60", fi->path); 682 qemu_fdt_add_subnode(fi->fdt, name->str); 683 cells[0] = cpu_to_be32(1); 684 cells[1] = 0; 685 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 686 cells, 2 * sizeof(cells[0])); 687 cells[0] = cpu_to_be32(1); 688 cells[1] = cpu_to_be32(0x60); 689 cells[2] = cpu_to_be32(5); 690 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 691 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "keyboard"); 692 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "keyboard"); 693 694 g_string_printf(name, "%s/8042@i60", fi->path); 695 qemu_fdt_add_subnode(fi->fdt, name->str); 696 qemu_fdt_setprop_cell(fi->fdt, name->str, "#interrupt-cells", 2); 697 qemu_fdt_setprop_cell(fi->fdt, name->str, "#size-cells", 0); 698 qemu_fdt_setprop_cell(fi->fdt, name->str, "#address-cells", 1); 699 qemu_fdt_setprop_string(fi->fdt, name->str, "interrupt-controller", ""); 700 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 701 cells[0] = cpu_to_be32(1); 702 cells[1] = cpu_to_be32(0x60); 703 cells[2] = cpu_to_be32(5); 704 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 705 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", ""); 706 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "8042"); 707 708 g_string_printf(name, "%s/serial@i2f8", fi->path); 709 qemu_fdt_add_subnode(fi->fdt, name->str); 710 qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); 711 cells[0] = cpu_to_be32(3); 712 cells[1] = 0; 713 qemu_fdt_setprop(fi->fdt, name->str, "interrupts", 714 cells, 2 * sizeof(cells[0])); 715 cells[0] = cpu_to_be32(1); 716 cells[1] = cpu_to_be32(0x2f8); 717 cells[2] = cpu_to_be32(8); 718 qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); 719 qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "serial"); 720 qemu_fdt_setprop_string(fi->fdt, name->str, "name", "serial"); 721 722 g_string_free(name, TRUE); 723 } 724 725 static struct { 726 const char *id; 727 const char *name; 728 void (*dtf)(PCIBus *bus, PCIDevice *d, FDTInfo *fi); 729 } device_map[] = { 730 { "pci11ab,6460", "host", NULL }, 731 { "pci1106,8231", "isa", dt_isa }, 732 { "pci1106,571", "ide", dt_ide }, 733 { "pci1106,3044", "firewire", NULL }, 734 { "pci1106,3038", "usb", dt_usb }, 735 { "pci1106,8235", "other", NULL }, 736 { "pci1106,3058", "sound", NULL }, 737 { NULL, NULL } 738 }; 739 740 static void add_pci_device(PCIBus *bus, PCIDevice *d, void *opaque) 741 { 742 FDTInfo *fi = opaque; 743 GString *node = g_string_new(NULL); 744 uint32_t cells[(PCI_NUM_REGIONS + 1) * 5]; 745 int i, j; 746 const char *name = NULL; 747 g_autofree const gchar *pn = g_strdup_printf("pci%x,%x", 748 pci_get_word(&d->config[PCI_VENDOR_ID]), 749 pci_get_word(&d->config[PCI_DEVICE_ID])); 750 751 if (pci_get_word(&d->config[PCI_CLASS_DEVICE]) == 752 PCI_CLASS_NETWORK_ETHERNET) { 753 name = "ethernet"; 754 } else if (pci_get_word(&d->config[PCI_CLASS_DEVICE]) >> 8 == 755 PCI_BASE_CLASS_DISPLAY) { 756 name = "display"; 757 } 758 for (i = 0; device_map[i].id; i++) { 759 if (!strcmp(pn, device_map[i].id)) { 760 name = device_map[i].name; 761 break; 762 } 763 } 764 g_string_printf(node, "%s/%s@%x", fi->path, (name ?: pn), 765 PCI_SLOT(d->devfn)); 766 if (PCI_FUNC(d->devfn)) { 767 g_string_append_printf(node, ",%x", PCI_FUNC(d->devfn)); 768 } 769 770 qemu_fdt_add_subnode(fi->fdt, node->str); 771 if (device_map[i].dtf) { 772 FDTInfo cfi = { fi->fdt, node->str }; 773 device_map[i].dtf(bus, d, &cfi); 774 } 775 cells[0] = cpu_to_be32(d->devfn << 8); 776 cells[1] = 0; 777 cells[2] = 0; 778 cells[3] = 0; 779 cells[4] = 0; 780 j = 5; 781 for (i = 0; i < PCI_NUM_REGIONS; i++) { 782 if (!d->io_regions[i].size) { 783 continue; 784 } 785 cells[j] = PCI_BASE_ADDRESS_0 + i * 4; 786 if (cells[j] == 0x28) { 787 cells[j] = 0x30; 788 } 789 cells[j] = cpu_to_be32(d->devfn << 8 | cells[j]); 790 if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { 791 cells[j] |= cpu_to_be32(1 << 24); 792 } else { 793 if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_TYPE_64) { 794 cells[j] |= cpu_to_be32(3 << 24); 795 } else { 796 cells[j] |= cpu_to_be32(2 << 24); 797 } 798 if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_PREFETCH) { 799 cells[j] |= cpu_to_be32(4 << 28); 800 } 801 } 802 cells[j + 1] = 0; 803 cells[j + 2] = 0; 804 cells[j + 3] = cpu_to_be32(d->io_regions[i].size >> 32); 805 cells[j + 4] = cpu_to_be32(d->io_regions[i].size); 806 j += 5; 807 } 808 qemu_fdt_setprop(fi->fdt, node->str, "reg", cells, j * sizeof(cells[0])); 809 qemu_fdt_setprop_string(fi->fdt, node->str, "name", name ?: pn); 810 if (pci_get_byte(&d->config[PCI_INTERRUPT_PIN])) { 811 qemu_fdt_setprop_cell(fi->fdt, node->str, "interrupts", 812 pci_get_byte(&d->config[PCI_INTERRUPT_PIN])); 813 } 814 /* Pegasos2 firmware has subsystem-id amd subsystem-vendor-id swapped */ 815 qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-vendor-id", 816 pci_get_word(&d->config[PCI_SUBSYSTEM_ID])); 817 qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-id", 818 pci_get_word(&d->config[PCI_SUBSYSTEM_VENDOR_ID])); 819 cells[0] = pci_get_long(&d->config[PCI_CLASS_REVISION]); 820 qemu_fdt_setprop_cell(fi->fdt, node->str, "class-code", cells[0] >> 8); 821 qemu_fdt_setprop_cell(fi->fdt, node->str, "revision-id", cells[0] & 0xff); 822 qemu_fdt_setprop_cell(fi->fdt, node->str, "device-id", 823 pci_get_word(&d->config[PCI_DEVICE_ID])); 824 qemu_fdt_setprop_cell(fi->fdt, node->str, "vendor-id", 825 pci_get_word(&d->config[PCI_VENDOR_ID])); 826 827 g_string_free(node, TRUE); 828 } 829 830 static void *build_fdt(MachineState *machine, int *fdt_size) 831 { 832 Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); 833 PowerPCCPU *cpu = pm->cpu; 834 PCIBus *pci_bus; 835 FDTInfo fi; 836 uint32_t cells[16]; 837 void *fdt = create_device_tree(fdt_size); 838 839 fi.fdt = fdt; 840 841 /* root node */ 842 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,description", 843 "Pegasos CHRP PowerPC System"); 844 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,board", "Pegasos2"); 845 qemu_fdt_setprop_string(fdt, "/", "CODEGEN,vendor", "bplan GmbH"); 846 qemu_fdt_setprop_string(fdt, "/", "revision", "2B"); 847 qemu_fdt_setprop_string(fdt, "/", "model", "Pegasos2"); 848 qemu_fdt_setprop_string(fdt, "/", "device_type", "chrp"); 849 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 1); 850 qemu_fdt_setprop_string(fdt, "/", "name", "bplan,Pegasos2"); 851 852 /* pci@c0000000 */ 853 qemu_fdt_add_subnode(fdt, "/pci@c0000000"); 854 cells[0] = 0; 855 cells[1] = 0; 856 qemu_fdt_setprop(fdt, "/pci@c0000000", "bus-range", 857 cells, 2 * sizeof(cells[0])); 858 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "pci-bridge-number", 1); 859 cells[0] = cpu_to_be32(PCI0_MEM_BASE); 860 cells[1] = cpu_to_be32(PCI0_MEM_SIZE); 861 qemu_fdt_setprop(fdt, "/pci@c0000000", "reg", cells, 2 * sizeof(cells[0])); 862 cells[0] = cpu_to_be32(0x01000000); 863 cells[1] = 0; 864 cells[2] = 0; 865 cells[3] = cpu_to_be32(PCI0_IO_BASE); 866 cells[4] = 0; 867 cells[5] = cpu_to_be32(PCI0_IO_SIZE); 868 cells[6] = cpu_to_be32(0x02000000); 869 cells[7] = 0; 870 cells[8] = cpu_to_be32(PCI0_MEM_BASE); 871 cells[9] = cpu_to_be32(PCI0_MEM_BASE); 872 cells[10] = 0; 873 cells[11] = cpu_to_be32(PCI0_MEM_SIZE); 874 qemu_fdt_setprop(fdt, "/pci@c0000000", "ranges", 875 cells, 12 * sizeof(cells[0])); 876 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#size-cells", 2); 877 qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#address-cells", 3); 878 qemu_fdt_setprop_string(fdt, "/pci@c0000000", "device_type", "pci"); 879 qemu_fdt_setprop_string(fdt, "/pci@c0000000", "name", "pci"); 880 881 fi.path = "/pci@c0000000"; 882 pci_bus = mv64361_get_pci_bus(pm->mv, 0); 883 pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); 884 885 /* pci@80000000 */ 886 qemu_fdt_add_subnode(fdt, "/pci@80000000"); 887 cells[0] = 0; 888 cells[1] = 0; 889 qemu_fdt_setprop(fdt, "/pci@80000000", "bus-range", 890 cells, 2 * sizeof(cells[0])); 891 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "pci-bridge-number", 0); 892 cells[0] = cpu_to_be32(PCI1_MEM_BASE); 893 cells[1] = cpu_to_be32(PCI1_MEM_SIZE); 894 qemu_fdt_setprop(fdt, "/pci@80000000", "reg", cells, 2 * sizeof(cells[0])); 895 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "8259-interrupt-acknowledge", 896 0xf1000cb4); 897 cells[0] = cpu_to_be32(0x01000000); 898 cells[1] = 0; 899 cells[2] = 0; 900 cells[3] = cpu_to_be32(PCI1_IO_BASE); 901 cells[4] = 0; 902 cells[5] = cpu_to_be32(PCI1_IO_SIZE); 903 cells[6] = cpu_to_be32(0x02000000); 904 cells[7] = 0; 905 cells[8] = cpu_to_be32(PCI1_MEM_BASE); 906 cells[9] = cpu_to_be32(PCI1_MEM_BASE); 907 cells[10] = 0; 908 cells[11] = cpu_to_be32(PCI1_MEM_SIZE); 909 qemu_fdt_setprop(fdt, "/pci@80000000", "ranges", 910 cells, 12 * sizeof(cells[0])); 911 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#size-cells", 2); 912 qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#address-cells", 3); 913 qemu_fdt_setprop_string(fdt, "/pci@80000000", "device_type", "pci"); 914 qemu_fdt_setprop_string(fdt, "/pci@80000000", "name", "pci"); 915 916 fi.path = "/pci@80000000"; 917 pci_bus = mv64361_get_pci_bus(pm->mv, 1); 918 pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); 919 920 qemu_fdt_add_subnode(fdt, "/failsafe"); 921 qemu_fdt_setprop_string(fdt, "/failsafe", "device_type", "serial"); 922 qemu_fdt_setprop_string(fdt, "/failsafe", "name", "failsafe"); 923 924 qemu_fdt_add_subnode(fdt, "/rtas"); 925 qemu_fdt_setprop_cell(fdt, "/rtas", "system-reboot", RTAS_SYSTEM_REBOOT); 926 qemu_fdt_setprop_cell(fdt, "/rtas", "hibernate", RTAS_HIBERNATE); 927 qemu_fdt_setprop_cell(fdt, "/rtas", "suspend", RTAS_SUSPEND); 928 qemu_fdt_setprop_cell(fdt, "/rtas", "power-off", RTAS_POWER_OFF); 929 qemu_fdt_setprop_cell(fdt, "/rtas", "set-indicator", RTAS_SET_INDICATOR); 930 qemu_fdt_setprop_cell(fdt, "/rtas", "display-character", 931 RTAS_DISPLAY_CHARACTER); 932 qemu_fdt_setprop_cell(fdt, "/rtas", "write-pci-config", 933 RTAS_WRITE_PCI_CONFIG); 934 qemu_fdt_setprop_cell(fdt, "/rtas", "read-pci-config", 935 RTAS_READ_PCI_CONFIG); 936 /* Pegasos2 firmware misspells check-exception and guests use that */ 937 qemu_fdt_setprop_cell(fdt, "/rtas", "check-execption", 938 RTAS_CHECK_EXCEPTION); 939 qemu_fdt_setprop_cell(fdt, "/rtas", "event-scan", RTAS_EVENT_SCAN); 940 qemu_fdt_setprop_cell(fdt, "/rtas", "set-time-of-day", 941 RTAS_SET_TIME_OF_DAY); 942 qemu_fdt_setprop_cell(fdt, "/rtas", "get-time-of-day", 943 RTAS_GET_TIME_OF_DAY); 944 qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-store", RTAS_NVRAM_STORE); 945 qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-fetch", RTAS_NVRAM_FETCH); 946 qemu_fdt_setprop_cell(fdt, "/rtas", "restart-rtas", RTAS_RESTART_RTAS); 947 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-error-log-max", 0); 948 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-event-scan-rate", 0); 949 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-display-device", 0); 950 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size", 20); 951 qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-version", 1); 952 qemu_fdt_setprop_string(fdt, "/rtas", "name", "rtas"); 953 954 /* cpus */ 955 qemu_fdt_add_subnode(fdt, "/cpus"); 956 qemu_fdt_setprop_cell(fdt, "/cpus", "#cpus", 1); 957 qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 1); 958 qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0); 959 qemu_fdt_setprop_string(fdt, "/cpus", "name", "cpus"); 960 961 /* FIXME Get CPU name from CPU object */ 962 const char *cp = "/cpus/PowerPC,G4"; 963 qemu_fdt_add_subnode(fdt, cp); 964 qemu_fdt_setprop_cell(fdt, cp, "l2cr", 0); 965 qemu_fdt_setprop_cell(fdt, cp, "d-cache-size", 0x8000); 966 qemu_fdt_setprop_cell(fdt, cp, "d-cache-block-size", 967 cpu->env.dcache_line_size); 968 qemu_fdt_setprop_cell(fdt, cp, "d-cache-line-size", 969 cpu->env.dcache_line_size); 970 qemu_fdt_setprop_cell(fdt, cp, "i-cache-size", 0x8000); 971 qemu_fdt_setprop_cell(fdt, cp, "i-cache-block-size", 972 cpu->env.icache_line_size); 973 qemu_fdt_setprop_cell(fdt, cp, "i-cache-line-size", 974 cpu->env.icache_line_size); 975 if (cpu->env.id_tlbs) { 976 qemu_fdt_setprop_cell(fdt, cp, "i-tlb-sets", cpu->env.nb_ways); 977 qemu_fdt_setprop_cell(fdt, cp, "i-tlb-size", cpu->env.tlb_per_way); 978 qemu_fdt_setprop_cell(fdt, cp, "d-tlb-sets", cpu->env.nb_ways); 979 qemu_fdt_setprop_cell(fdt, cp, "d-tlb-size", cpu->env.tlb_per_way); 980 qemu_fdt_setprop_string(fdt, cp, "tlb-split", ""); 981 } 982 qemu_fdt_setprop_cell(fdt, cp, "tlb-sets", cpu->env.nb_ways); 983 qemu_fdt_setprop_cell(fdt, cp, "tlb-size", cpu->env.nb_tlb); 984 qemu_fdt_setprop_string(fdt, cp, "state", "running"); 985 if (cpu->env.insns_flags & PPC_ALTIVEC) { 986 qemu_fdt_setprop_string(fdt, cp, "altivec", ""); 987 qemu_fdt_setprop_string(fdt, cp, "data-streams", ""); 988 } 989 /* 990 * FIXME What flags do data-streams, external-control and 991 * performance-monitor depend on? 992 */ 993 qemu_fdt_setprop_string(fdt, cp, "external-control", ""); 994 if (cpu->env.insns_flags & PPC_FLOAT_FSQRT) { 995 qemu_fdt_setprop_string(fdt, cp, "general-purpose", ""); 996 } 997 qemu_fdt_setprop_string(fdt, cp, "performance-monitor", ""); 998 if (cpu->env.insns_flags & PPC_FLOAT_FRES) { 999 qemu_fdt_setprop_string(fdt, cp, "graphics", ""); 1000 } 1001 qemu_fdt_setprop_cell(fdt, cp, "reservation-granule-size", 4); 1002 qemu_fdt_setprop_cell(fdt, cp, "timebase-frequency", 1003 cpu->env.tb_env->tb_freq); 1004 qemu_fdt_setprop_cell(fdt, cp, "bus-frequency", BUS_FREQ_HZ); 1005 qemu_fdt_setprop_cell(fdt, cp, "clock-frequency", BUS_FREQ_HZ * 7.5); 1006 qemu_fdt_setprop_cell(fdt, cp, "cpu-version", cpu->env.spr[SPR_PVR]); 1007 cells[0] = 0; 1008 cells[1] = 0; 1009 qemu_fdt_setprop(fdt, cp, "reg", cells, 2 * sizeof(cells[0])); 1010 qemu_fdt_setprop_string(fdt, cp, "device_type", "cpu"); 1011 qemu_fdt_setprop_string(fdt, cp, "name", strrchr(cp, '/') + 1); 1012 1013 /* memory */ 1014 qemu_fdt_add_subnode(fdt, "/memory@0"); 1015 cells[0] = 0; 1016 cells[1] = cpu_to_be32(machine->ram_size); 1017 qemu_fdt_setprop(fdt, "/memory@0", "reg", cells, 2 * sizeof(cells[0])); 1018 qemu_fdt_setprop_string(fdt, "/memory@0", "device_type", "memory"); 1019 qemu_fdt_setprop_string(fdt, "/memory@0", "name", "memory"); 1020 1021 qemu_fdt_add_subnode(fdt, "/chosen"); 1022 if (pm->initrd_addr && pm->initrd_size) { 1023 qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", 1024 pm->initrd_addr + pm->initrd_size); 1025 qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", 1026 pm->initrd_addr); 1027 } 1028 qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", 1029 machine->kernel_cmdline ?: ""); 1030 qemu_fdt_setprop_string(fdt, "/chosen", "name", "chosen"); 1031 1032 qemu_fdt_add_subnode(fdt, "/openprom"); 1033 qemu_fdt_setprop_string(fdt, "/openprom", "model", "Pegasos2,1.1"); 1034 1035 return fdt; 1036 } 1037