1 /* 2 * QEMU PowerPC PowerNV machine model 3 * 4 * Copyright (c) 2016, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qemu/datadir.h" 22 #include "qemu/units.h" 23 #include "qemu/cutils.h" 24 #include "qapi/error.h" 25 #include "sysemu/qtest.h" 26 #include "sysemu/sysemu.h" 27 #include "sysemu/numa.h" 28 #include "sysemu/reset.h" 29 #include "sysemu/runstate.h" 30 #include "sysemu/cpus.h" 31 #include "sysemu/device_tree.h" 32 #include "sysemu/hw_accel.h" 33 #include "target/ppc/cpu.h" 34 #include "hw/ppc/fdt.h" 35 #include "hw/ppc/ppc.h" 36 #include "hw/ppc/pnv.h" 37 #include "hw/ppc/pnv_core.h" 38 #include "hw/loader.h" 39 #include "hw/nmi.h" 40 #include "qapi/visitor.h" 41 #include "qapi/type-helpers.h" 42 #include "monitor/monitor.h" 43 #include "hw/intc/intc.h" 44 #include "hw/ipmi/ipmi.h" 45 #include "target/ppc/mmu-hash64.h" 46 #include "hw/pci/msi.h" 47 #include "hw/pci-host/pnv_phb.h" 48 #include "hw/pci-host/pnv_phb3.h" 49 #include "hw/pci-host/pnv_phb4.h" 50 51 #include "hw/ppc/xics.h" 52 #include "hw/qdev-properties.h" 53 #include "hw/ppc/pnv_chip.h" 54 #include "hw/ppc/pnv_xscom.h" 55 #include "hw/ppc/pnv_pnor.h" 56 57 #include "hw/isa/isa.h" 58 #include "hw/char/serial.h" 59 #include "hw/rtc/mc146818rtc.h" 60 61 #include <libfdt.h> 62 63 #define FDT_MAX_SIZE (1 * MiB) 64 65 #define FW_FILE_NAME "skiboot.lid" 66 #define FW_LOAD_ADDR 0x0 67 #define FW_MAX_SIZE (16 * MiB) 68 69 #define KERNEL_LOAD_ADDR 0x20000000 70 #define KERNEL_MAX_SIZE (128 * MiB) 71 #define INITRD_LOAD_ADDR 0x28000000 72 #define INITRD_MAX_SIZE (128 * MiB) 73 74 static const char *pnv_chip_core_typename(const PnvChip *o) 75 { 76 const char *chip_type = object_class_get_name(object_get_class(OBJECT(o))); 77 int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX); 78 char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type); 79 const char *core_type = object_class_get_name(object_class_by_name(s)); 80 g_free(s); 81 return core_type; 82 } 83 84 /* 85 * On Power Systems E880 (POWER8), the max cpus (threads) should be : 86 * 4 * 4 sockets * 12 cores * 8 threads = 1536 87 * Let's make it 2^11 88 */ 89 #define MAX_CPUS 2048 90 91 /* 92 * Memory nodes are created by hostboot, one for each range of memory 93 * that has a different "affinity". In practice, it means one range 94 * per chip. 95 */ 96 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size) 97 { 98 char *mem_name; 99 uint64_t mem_reg_property[2]; 100 int off; 101 102 mem_reg_property[0] = cpu_to_be64(start); 103 mem_reg_property[1] = cpu_to_be64(size); 104 105 mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start); 106 off = fdt_add_subnode(fdt, 0, mem_name); 107 g_free(mem_name); 108 109 _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 110 _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 111 sizeof(mem_reg_property)))); 112 _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id))); 113 } 114 115 static int get_cpus_node(void *fdt) 116 { 117 int cpus_offset = fdt_path_offset(fdt, "/cpus"); 118 119 if (cpus_offset < 0) { 120 cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); 121 if (cpus_offset) { 122 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); 123 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); 124 } 125 } 126 _FDT(cpus_offset); 127 return cpus_offset; 128 } 129 130 /* 131 * The PowerNV cores (and threads) need to use real HW ids and not an 132 * incremental index like it has been done on other platforms. This HW 133 * id is stored in the CPU PIR, it is used to create cpu nodes in the 134 * device tree, used in XSCOM to address cores and in interrupt 135 * servers. 136 */ 137 static int pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) 138 { 139 PowerPCCPU *cpu = pc->threads[0]; 140 CPUState *cs = CPU(cpu); 141 DeviceClass *dc = DEVICE_GET_CLASS(cs); 142 int smt_threads = CPU_CORE(pc)->nr_threads; 143 CPUPPCState *env = &cpu->env; 144 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 145 PnvChipClass *pnv_cc = PNV_CHIP_GET_CLASS(chip); 146 g_autofree uint32_t *servers_prop = g_new(uint32_t, smt_threads); 147 int i; 148 uint32_t pir; 149 uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 150 0xffffffff, 0xffffffff}; 151 uint32_t tbfreq = PNV_TIMEBASE_FREQ; 152 uint32_t cpufreq = 1000000000; 153 uint32_t page_sizes_prop[64]; 154 size_t page_sizes_prop_size; 155 int offset; 156 char *nodename; 157 int cpus_offset = get_cpus_node(fdt); 158 159 pir = pnv_cc->chip_pir(chip, pc->hwid, 0); 160 161 nodename = g_strdup_printf("%s@%x", dc->fw_name, pir); 162 offset = fdt_add_subnode(fdt, cpus_offset, nodename); 163 _FDT(offset); 164 g_free(nodename); 165 166 _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id))); 167 168 _FDT((fdt_setprop_cell(fdt, offset, "reg", pir))); 169 _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pir))); 170 _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); 171 172 _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); 173 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", 174 env->dcache_line_size))); 175 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", 176 env->dcache_line_size))); 177 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", 178 env->icache_line_size))); 179 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", 180 env->icache_line_size))); 181 182 if (pcc->l1_dcache_size) { 183 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", 184 pcc->l1_dcache_size))); 185 } else { 186 warn_report("Unknown L1 dcache size for cpu"); 187 } 188 if (pcc->l1_icache_size) { 189 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", 190 pcc->l1_icache_size))); 191 } else { 192 warn_report("Unknown L1 icache size for cpu"); 193 } 194 195 _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); 196 _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); 197 _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", 198 cpu->hash64_opts->slb_size))); 199 _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); 200 _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); 201 202 if (ppc_has_spr(cpu, SPR_PURR)) { 203 _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); 204 } 205 206 if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { 207 _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", 208 segs, sizeof(segs)))); 209 } 210 211 /* 212 * Advertise VMX/VSX (vector extensions) if available 213 * 0 / no property == no vector extensions 214 * 1 == VMX / Altivec available 215 * 2 == VSX available 216 */ 217 if (env->insns_flags & PPC_ALTIVEC) { 218 uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 219 220 _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); 221 } 222 223 /* 224 * Advertise DFP (Decimal Floating Point) if available 225 * 0 / no property == no DFP 226 * 1 == DFP available 227 */ 228 if (env->insns_flags2 & PPC2_DFP) { 229 _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); 230 } 231 232 page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop, 233 sizeof(page_sizes_prop)); 234 if (page_sizes_prop_size) { 235 _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", 236 page_sizes_prop, page_sizes_prop_size))); 237 } 238 239 /* Build interrupt servers properties */ 240 for (i = 0; i < smt_threads; i++) { 241 servers_prop[i] = cpu_to_be32(pnv_cc->chip_pir(chip, pc->hwid, i)); 242 } 243 _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 244 servers_prop, sizeof(*servers_prop) * smt_threads))); 245 246 return offset; 247 } 248 249 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t hwid, 250 uint32_t nr_threads) 251 { 252 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 253 uint32_t pir = pcc->chip_pir(chip, hwid, 0); 254 uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12); 255 char *name; 256 const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp"; 257 uint32_t irange[2], i, rsize; 258 uint64_t *reg; 259 int offset; 260 261 irange[0] = cpu_to_be32(pir); 262 irange[1] = cpu_to_be32(nr_threads); 263 264 rsize = sizeof(uint64_t) * 2 * nr_threads; 265 reg = g_malloc(rsize); 266 for (i = 0; i < nr_threads; i++) { 267 /* We know P8 PIR is linear with thread id */ 268 reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000)); 269 reg[i * 2 + 1] = cpu_to_be64(0x1000); 270 } 271 272 name = g_strdup_printf("interrupt-controller@%"PRIX64, addr); 273 offset = fdt_add_subnode(fdt, 0, name); 274 _FDT(offset); 275 g_free(name); 276 277 _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat)))); 278 _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize))); 279 _FDT((fdt_setprop_string(fdt, offset, "device_type", 280 "PowerPC-External-Interrupt-Presentation"))); 281 _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0))); 282 _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges", 283 irange, sizeof(irange)))); 284 _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1))); 285 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0))); 286 g_free(reg); 287 } 288 289 /* 290 * Adds a PnvPHB to the chip on P8. 291 * Implemented here, like for defaults PHBs 292 */ 293 PnvChip *pnv_chip_add_phb(PnvChip *chip, PnvPHB *phb) 294 { 295 Pnv8Chip *chip8 = PNV8_CHIP(chip); 296 297 phb->chip = chip; 298 299 chip8->phbs[chip8->num_phbs] = phb; 300 chip8->num_phbs++; 301 return chip; 302 } 303 304 /* 305 * Same as spapr pa_features_207 except pnv always enables CI largepages bit. 306 * HTM is always enabled because TCG does implement HTM, it's just a 307 * degenerate implementation. 308 */ 309 static const uint8_t pa_features_207[] = { 24, 0, 310 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, 311 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 312 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 313 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 }; 314 315 static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt) 316 { 317 static const char compat[] = "ibm,power8-xscom\0ibm,xscom"; 318 int i; 319 320 pnv_dt_xscom(chip, fdt, 0, 321 cpu_to_be64(PNV_XSCOM_BASE(chip)), 322 cpu_to_be64(PNV_XSCOM_SIZE), 323 compat, sizeof(compat)); 324 325 for (i = 0; i < chip->nr_cores; i++) { 326 PnvCore *pnv_core = chip->cores[i]; 327 int offset; 328 329 offset = pnv_dt_core(chip, pnv_core, fdt); 330 331 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", 332 pa_features_207, sizeof(pa_features_207)))); 333 334 /* Interrupt Control Presenters (ICP). One per core. */ 335 pnv_dt_icp(chip, fdt, pnv_core->hwid, CPU_CORE(pnv_core)->nr_threads); 336 } 337 338 if (chip->ram_size) { 339 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 340 } 341 } 342 343 /* 344 * Same as spapr pa_features_300 except pnv always enables CI largepages bit. 345 */ 346 static const uint8_t pa_features_300[] = { 66, 0, 347 /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: CILRG|fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ 348 /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, 5: LE|CFAR|EB|LSQ */ 349 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, /* 0 - 5 */ 350 /* 6: DS207 */ 351 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ 352 /* 16: Vector */ 353 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ 354 /* 18: Vec. Scalar, 20: Vec. XOR, 22: HTM */ 355 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 18 - 23 */ 356 /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ 357 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ 358 /* 32: LE atomic, 34: EBB + ext EBB */ 359 0x00, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ 360 /* 40: Radix MMU */ 361 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 36 - 41 */ 362 /* 42: PM, 44: PC RA, 46: SC vec'd */ 363 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ 364 /* 48: SIMD, 50: QP BFP, 52: String */ 365 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ 366 /* 54: DecFP, 56: DecI, 58: SHA */ 367 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ 368 /* 60: NM atomic, 62: RNG */ 369 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ 370 }; 371 372 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) 373 { 374 static const char compat[] = "ibm,power9-xscom\0ibm,xscom"; 375 int i; 376 377 pnv_dt_xscom(chip, fdt, 0, 378 cpu_to_be64(PNV9_XSCOM_BASE(chip)), 379 cpu_to_be64(PNV9_XSCOM_SIZE), 380 compat, sizeof(compat)); 381 382 for (i = 0; i < chip->nr_cores; i++) { 383 PnvCore *pnv_core = chip->cores[i]; 384 int offset; 385 386 offset = pnv_dt_core(chip, pnv_core, fdt); 387 388 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", 389 pa_features_300, sizeof(pa_features_300)))); 390 } 391 392 if (chip->ram_size) { 393 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 394 } 395 396 pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE); 397 } 398 399 /* 400 * Same as spapr pa_features_31 except pnv always enables CI largepages bit, 401 * always disables copy/paste. 402 */ 403 static const uint8_t pa_features_31[] = { 74, 0, 404 /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: CILRG|fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ 405 /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, 5: LE|CFAR|EB|LSQ */ 406 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, /* 0 - 5 */ 407 /* 6: DS207 */ 408 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ 409 /* 16: Vector */ 410 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ 411 /* 18: Vec. Scalar, 20: Vec. XOR */ 412 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 18 - 23 */ 413 /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ 414 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ 415 /* 32: LE atomic, 34: EBB + ext EBB */ 416 0x00, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ 417 /* 40: Radix MMU */ 418 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 36 - 41 */ 419 /* 42: PM, 44: PC RA, 46: SC vec'd */ 420 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ 421 /* 48: SIMD, 50: QP BFP, 52: String */ 422 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ 423 /* 54: DecFP, 56: DecI, 58: SHA */ 424 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ 425 /* 60: NM atomic, 62: RNG */ 426 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ 427 /* 68: DEXCR[SBHE|IBRTPDUS|SRAPD|NPHIE|PHIE] */ 428 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 66 - 71 */ 429 /* 72: [P]HASHST/[P]HASHCHK */ 430 0x80, 0x00, /* 72 - 73 */ 431 }; 432 433 static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) 434 { 435 static const char compat[] = "ibm,power10-xscom\0ibm,xscom"; 436 int i; 437 438 pnv_dt_xscom(chip, fdt, 0, 439 cpu_to_be64(PNV10_XSCOM_BASE(chip)), 440 cpu_to_be64(PNV10_XSCOM_SIZE), 441 compat, sizeof(compat)); 442 443 for (i = 0; i < chip->nr_cores; i++) { 444 PnvCore *pnv_core = chip->cores[i]; 445 int offset; 446 447 offset = pnv_dt_core(chip, pnv_core, fdt); 448 449 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", 450 pa_features_31, sizeof(pa_features_31)))); 451 } 452 453 if (chip->ram_size) { 454 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 455 } 456 457 pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE); 458 } 459 460 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) 461 { 462 uint32_t io_base = d->ioport_id; 463 uint32_t io_regs[] = { 464 cpu_to_be32(1), 465 cpu_to_be32(io_base), 466 cpu_to_be32(2) 467 }; 468 char *name; 469 int node; 470 471 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 472 node = fdt_add_subnode(fdt, lpc_off, name); 473 _FDT(node); 474 g_free(name); 475 476 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 477 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00"))); 478 } 479 480 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off) 481 { 482 const char compatible[] = "ns16550\0pnpPNP,501"; 483 uint32_t io_base = d->ioport_id; 484 uint32_t io_regs[] = { 485 cpu_to_be32(1), 486 cpu_to_be32(io_base), 487 cpu_to_be32(8) 488 }; 489 uint32_t irq; 490 char *name; 491 int node; 492 493 irq = object_property_get_uint(OBJECT(d), "irq", &error_fatal); 494 495 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 496 node = fdt_add_subnode(fdt, lpc_off, name); 497 _FDT(node); 498 g_free(name); 499 500 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 501 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 502 sizeof(compatible)))); 503 504 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200))); 505 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200))); 506 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); 507 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 508 fdt_get_phandle(fdt, lpc_off)))); 509 510 /* This is needed by Linux */ 511 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial"))); 512 } 513 514 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off) 515 { 516 const char compatible[] = "bt\0ipmi-bt"; 517 uint32_t io_base; 518 uint32_t io_regs[] = { 519 cpu_to_be32(1), 520 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */ 521 cpu_to_be32(3) 522 }; 523 uint32_t irq; 524 char *name; 525 int node; 526 527 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal); 528 io_regs[1] = cpu_to_be32(io_base); 529 530 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal); 531 532 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 533 node = fdt_add_subnode(fdt, lpc_off, name); 534 _FDT(node); 535 g_free(name); 536 537 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 538 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 539 sizeof(compatible)))); 540 541 /* Mark it as reserved to avoid Linux trying to claim it */ 542 _FDT((fdt_setprop_string(fdt, node, "status", "reserved"))); 543 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); 544 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 545 fdt_get_phandle(fdt, lpc_off)))); 546 } 547 548 typedef struct ForeachPopulateArgs { 549 void *fdt; 550 int offset; 551 } ForeachPopulateArgs; 552 553 static int pnv_dt_isa_device(DeviceState *dev, void *opaque) 554 { 555 ForeachPopulateArgs *args = opaque; 556 ISADevice *d = ISA_DEVICE(dev); 557 558 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) { 559 pnv_dt_rtc(d, args->fdt, args->offset); 560 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) { 561 pnv_dt_serial(d, args->fdt, args->offset); 562 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) { 563 pnv_dt_ipmi_bt(d, args->fdt, args->offset); 564 } else { 565 error_report("unknown isa device %s@i%x", qdev_fw_name(dev), 566 d->ioport_id); 567 } 568 569 return 0; 570 } 571 572 /* 573 * The default LPC bus of a multichip system is on chip 0. It's 574 * recognized by the firmware (skiboot) using a "primary" property. 575 */ 576 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) 577 { 578 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename); 579 ForeachPopulateArgs args = { 580 .fdt = fdt, 581 .offset = isa_offset, 582 }; 583 uint32_t phandle; 584 585 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0))); 586 587 phandle = qemu_fdt_alloc_phandle(fdt); 588 assert(phandle > 0); 589 _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle))); 590 591 /* 592 * ISA devices are not necessarily parented to the ISA bus so we 593 * can not use object_child_foreach() 594 */ 595 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, 596 &args); 597 } 598 599 static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt) 600 { 601 int off; 602 603 off = fdt_add_subnode(fdt, 0, "ibm,opal"); 604 off = fdt_add_subnode(fdt, off, "power-mgt"); 605 606 _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000)); 607 } 608 609 static void *pnv_dt_create(MachineState *machine) 610 { 611 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); 612 PnvMachineState *pnv = PNV_MACHINE(machine); 613 void *fdt; 614 char *buf; 615 int off; 616 int i; 617 618 fdt = g_malloc0(FDT_MAX_SIZE); 619 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); 620 621 /* /qemu node */ 622 _FDT((fdt_add_subnode(fdt, 0, "qemu"))); 623 624 /* Root node */ 625 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2))); 626 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2))); 627 _FDT((fdt_setprop_string(fdt, 0, "model", 628 "IBM PowerNV (emulated by qemu)"))); 629 _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size))); 630 631 buf = qemu_uuid_unparse_strdup(&qemu_uuid); 632 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf))); 633 if (qemu_uuid_set) { 634 _FDT((fdt_setprop_string(fdt, 0, "system-id", buf))); 635 } 636 g_free(buf); 637 638 off = fdt_add_subnode(fdt, 0, "chosen"); 639 if (machine->kernel_cmdline) { 640 _FDT((fdt_setprop_string(fdt, off, "bootargs", 641 machine->kernel_cmdline))); 642 } 643 644 if (pnv->initrd_size) { 645 uint32_t start_prop = cpu_to_be32(pnv->initrd_base); 646 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size); 647 648 _FDT((fdt_setprop(fdt, off, "linux,initrd-start", 649 &start_prop, sizeof(start_prop)))); 650 _FDT((fdt_setprop(fdt, off, "linux,initrd-end", 651 &end_prop, sizeof(end_prop)))); 652 } 653 654 /* Populate device tree for each chip */ 655 for (i = 0; i < pnv->num_chips; i++) { 656 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt); 657 } 658 659 /* Populate ISA devices on chip 0 */ 660 pnv_dt_isa(pnv, fdt); 661 662 if (pnv->bmc) { 663 pnv_dt_bmc_sensors(pnv->bmc, fdt); 664 } 665 666 /* Create an extra node for power management on machines that support it */ 667 if (pmc->dt_power_mgt) { 668 pmc->dt_power_mgt(pnv, fdt); 669 } 670 671 return fdt; 672 } 673 674 static void pnv_powerdown_notify(Notifier *n, void *opaque) 675 { 676 PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier); 677 678 if (pnv->bmc) { 679 pnv_bmc_powerdown(pnv->bmc); 680 } 681 } 682 683 static void pnv_reset(MachineState *machine, ShutdownCause reason) 684 { 685 PnvMachineState *pnv = PNV_MACHINE(machine); 686 IPMIBmc *bmc; 687 void *fdt; 688 689 qemu_devices_reset(reason); 690 691 /* 692 * The machine should provide by default an internal BMC simulator. 693 * If not, try to use the BMC device that was provided on the command 694 * line. 695 */ 696 bmc = pnv_bmc_find(&error_fatal); 697 if (!pnv->bmc) { 698 if (!bmc) { 699 if (!qtest_enabled()) { 700 warn_report("machine has no BMC device. Use '-device " 701 "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' " 702 "to define one"); 703 } 704 } else { 705 pnv_bmc_set_pnor(bmc, pnv->pnor); 706 pnv->bmc = bmc; 707 } 708 } 709 710 fdt = pnv_dt_create(machine); 711 712 /* Pack resulting tree */ 713 _FDT((fdt_pack(fdt))); 714 715 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 716 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); 717 718 /* 719 * Set machine->fdt for 'dumpdtb' QMP/HMP command. Free 720 * the existing machine->fdt to avoid leaking it during 721 * a reset. 722 */ 723 g_free(machine->fdt); 724 machine->fdt = fdt; 725 } 726 727 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) 728 { 729 Pnv8Chip *chip8 = PNV8_CHIP(chip); 730 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_EXTERNAL); 731 732 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); 733 return pnv_lpc_isa_create(&chip8->lpc, true, errp); 734 } 735 736 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) 737 { 738 Pnv8Chip *chip8 = PNV8_CHIP(chip); 739 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_LPC_I2C); 740 741 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); 742 return pnv_lpc_isa_create(&chip8->lpc, false, errp); 743 } 744 745 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) 746 { 747 Pnv9Chip *chip9 = PNV9_CHIP(chip); 748 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip9->psi), PSIHB9_IRQ_LPCHC); 749 750 qdev_connect_gpio_out(DEVICE(&chip9->lpc), 0, irq); 751 return pnv_lpc_isa_create(&chip9->lpc, false, errp); 752 } 753 754 static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) 755 { 756 Pnv10Chip *chip10 = PNV10_CHIP(chip); 757 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_LPCHC); 758 759 qdev_connect_gpio_out(DEVICE(&chip10->lpc), 0, irq); 760 return pnv_lpc_isa_create(&chip10->lpc, false, errp); 761 } 762 763 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) 764 { 765 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); 766 } 767 768 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon) 769 { 770 Pnv8Chip *chip8 = PNV8_CHIP(chip); 771 int i; 772 773 g_autoptr(GString) buf = g_string_new(""); 774 g_autoptr(HumanReadableText) info = NULL; 775 776 ics_pic_print_info(&chip8->psi.ics, buf); 777 778 for (i = 0; i < chip8->num_phbs; i++) { 779 PnvPHB *phb = chip8->phbs[i]; 780 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 781 782 pnv_phb3_msi_pic_print_info(&phb3->msis, buf); 783 ics_pic_print_info(&phb3->lsis, buf); 784 } 785 786 info = human_readable_text_from_str(buf); 787 monitor_puts(mon, info->human_readable_text); 788 } 789 790 static int pnv_chip_power9_pic_print_info_child(Object *child, void *opaque) 791 { 792 Monitor *mon = opaque; 793 PnvPHB *phb = (PnvPHB *) object_dynamic_cast(child, TYPE_PNV_PHB); 794 795 if (!phb) { 796 return 0; 797 } 798 799 pnv_phb4_pic_print_info(PNV_PHB4(phb->backend), mon); 800 801 return 0; 802 } 803 804 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon) 805 { 806 Pnv9Chip *chip9 = PNV9_CHIP(chip); 807 808 pnv_xive_pic_print_info(&chip9->xive, mon); 809 pnv_psi_pic_print_info(&chip9->psi, mon); 810 811 object_child_foreach_recursive(OBJECT(chip), 812 pnv_chip_power9_pic_print_info_child, mon); 813 } 814 815 static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip, 816 uint32_t core_id) 817 { 818 return PNV_XSCOM_EX_BASE(core_id); 819 } 820 821 static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip, 822 uint32_t core_id) 823 { 824 return PNV9_XSCOM_EC_BASE(core_id); 825 } 826 827 static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip, 828 uint32_t core_id) 829 { 830 return PNV10_XSCOM_EC_BASE(core_id); 831 } 832 833 static bool pnv_match_cpu(const char *default_type, const char *cpu_type) 834 { 835 PowerPCCPUClass *ppc_default = 836 POWERPC_CPU_CLASS(object_class_by_name(default_type)); 837 PowerPCCPUClass *ppc = 838 POWERPC_CPU_CLASS(object_class_by_name(cpu_type)); 839 840 return ppc_default->pvr_match(ppc_default, ppc->pvr, false); 841 } 842 843 static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq) 844 { 845 ISADevice *dev = isa_new("isa-ipmi-bt"); 846 847 object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal); 848 object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal); 849 isa_realize_and_unref(dev, bus, &error_fatal); 850 } 851 852 static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon) 853 { 854 Pnv10Chip *chip10 = PNV10_CHIP(chip); 855 856 pnv_xive2_pic_print_info(&chip10->xive, mon); 857 pnv_psi_pic_print_info(&chip10->psi, mon); 858 859 object_child_foreach_recursive(OBJECT(chip), 860 pnv_chip_power9_pic_print_info_child, mon); 861 } 862 863 /* Always give the first 1GB to chip 0 else we won't boot */ 864 static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id) 865 { 866 MachineState *machine = MACHINE(pnv); 867 uint64_t ram_per_chip; 868 869 assert(machine->ram_size >= 1 * GiB); 870 871 ram_per_chip = machine->ram_size / pnv->num_chips; 872 if (ram_per_chip >= 1 * GiB) { 873 return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); 874 } 875 876 assert(pnv->num_chips > 1); 877 878 ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1); 879 return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); 880 } 881 882 static void pnv_init(MachineState *machine) 883 { 884 const char *bios_name = machine->firmware ?: FW_FILE_NAME; 885 PnvMachineState *pnv = PNV_MACHINE(machine); 886 MachineClass *mc = MACHINE_GET_CLASS(machine); 887 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); 888 char *fw_filename; 889 long fw_size; 890 uint64_t chip_ram_start = 0; 891 int i; 892 char *chip_typename; 893 DriveInfo *pnor = drive_get(IF_MTD, 0, 0); 894 DeviceState *dev; 895 896 if (kvm_enabled()) { 897 error_report("machine %s does not support the KVM accelerator", 898 mc->name); 899 exit(EXIT_FAILURE); 900 } 901 902 /* allocate RAM */ 903 if (machine->ram_size < mc->default_ram_size) { 904 char *sz = size_to_str(mc->default_ram_size); 905 error_report("Invalid RAM size, should be bigger than %s", sz); 906 g_free(sz); 907 exit(EXIT_FAILURE); 908 } 909 memory_region_add_subregion(get_system_memory(), 0, machine->ram); 910 911 /* 912 * Create our simple PNOR device 913 */ 914 dev = qdev_new(TYPE_PNV_PNOR); 915 if (pnor) { 916 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor)); 917 } 918 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 919 pnv->pnor = PNV_PNOR(dev); 920 921 /* load skiboot firmware */ 922 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 923 if (!fw_filename) { 924 error_report("Could not find OPAL firmware '%s'", bios_name); 925 exit(1); 926 } 927 928 fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE); 929 if (fw_size < 0) { 930 error_report("Could not load OPAL firmware '%s'", fw_filename); 931 exit(1); 932 } 933 g_free(fw_filename); 934 935 /* load kernel */ 936 if (machine->kernel_filename) { 937 long kernel_size; 938 939 kernel_size = load_image_targphys(machine->kernel_filename, 940 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE); 941 if (kernel_size < 0) { 942 error_report("Could not load kernel '%s'", 943 machine->kernel_filename); 944 exit(1); 945 } 946 } 947 948 /* load initrd */ 949 if (machine->initrd_filename) { 950 pnv->initrd_base = INITRD_LOAD_ADDR; 951 pnv->initrd_size = load_image_targphys(machine->initrd_filename, 952 pnv->initrd_base, INITRD_MAX_SIZE); 953 if (pnv->initrd_size < 0) { 954 error_report("Could not load initial ram disk '%s'", 955 machine->initrd_filename); 956 exit(1); 957 } 958 } 959 960 /* MSIs are supported on this platform */ 961 msi_nonbroken = true; 962 963 /* 964 * Check compatibility of the specified CPU with the machine 965 * default. 966 */ 967 if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) { 968 error_report("invalid CPU model '%s' for %s machine", 969 machine->cpu_type, mc->name); 970 exit(1); 971 } 972 973 /* Create the processor chips */ 974 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX); 975 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"), 976 i, machine->cpu_type); 977 if (!object_class_by_name(chip_typename)) { 978 error_report("invalid chip model '%.*s' for %s machine", 979 i, machine->cpu_type, mc->name); 980 exit(1); 981 } 982 983 pnv->num_chips = 984 machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads); 985 986 if (machine->smp.threads > 8) { 987 error_report("Cannot support more than 8 threads/core " 988 "on a powernv machine"); 989 exit(1); 990 } 991 if (!is_power_of_2(machine->smp.threads)) { 992 error_report("Cannot support %d threads/core on a powernv" 993 "machine because it must be a power of 2", 994 machine->smp.threads); 995 exit(1); 996 } 997 /* 998 * TODO: should we decide on how many chips we can create based 999 * on #cores and Venice vs. Murano vs. Naples chip type etc..., 1000 */ 1001 if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 16) { 1002 error_report("invalid number of chips: '%d'", pnv->num_chips); 1003 error_printf( 1004 "Try '-smp sockets=N'. Valid values are : 1, 2, 4, 8 and 16.\n"); 1005 exit(1); 1006 } 1007 1008 pnv->chips = g_new0(PnvChip *, pnv->num_chips); 1009 for (i = 0; i < pnv->num_chips; i++) { 1010 char chip_name[32]; 1011 Object *chip = OBJECT(qdev_new(chip_typename)); 1012 uint64_t chip_ram_size = pnv_chip_get_ram_size(pnv, i); 1013 1014 pnv->chips[i] = PNV_CHIP(chip); 1015 1016 /* Distribute RAM among the chips */ 1017 object_property_set_int(chip, "ram-start", chip_ram_start, 1018 &error_fatal); 1019 object_property_set_int(chip, "ram-size", chip_ram_size, 1020 &error_fatal); 1021 chip_ram_start += chip_ram_size; 1022 1023 snprintf(chip_name, sizeof(chip_name), "chip[%d]", i); 1024 object_property_add_child(OBJECT(pnv), chip_name, chip); 1025 object_property_set_int(chip, "chip-id", i, &error_fatal); 1026 object_property_set_int(chip, "nr-cores", machine->smp.cores, 1027 &error_fatal); 1028 object_property_set_int(chip, "nr-threads", machine->smp.threads, 1029 &error_fatal); 1030 /* 1031 * The POWER8 machine use the XICS interrupt interface. 1032 * Propagate the XICS fabric to the chip and its controllers. 1033 */ 1034 if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) { 1035 object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort); 1036 } 1037 if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) { 1038 object_property_set_link(chip, "xive-fabric", OBJECT(pnv), 1039 &error_abort); 1040 } 1041 sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal); 1042 } 1043 g_free(chip_typename); 1044 1045 /* Instantiate ISA bus on chip 0 */ 1046 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal); 1047 1048 /* Create serial port */ 1049 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS); 1050 1051 /* Create an RTC ISA device too */ 1052 mc146818_rtc_init(pnv->isa_bus, 2000, NULL); 1053 1054 /* 1055 * Create the machine BMC simulator and the IPMI BT device for 1056 * communication with the BMC 1057 */ 1058 if (defaults_enabled()) { 1059 pnv->bmc = pnv_bmc_create(pnv->pnor); 1060 pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10); 1061 } 1062 1063 /* 1064 * The PNOR is mapped on the LPC FW address space by the BMC. 1065 * Since we can not reach the remote BMC machine with LPC memops, 1066 * map it always for now. 1067 */ 1068 memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET, 1069 &pnv->pnor->mmio); 1070 1071 /* 1072 * OpenPOWER systems use a IPMI SEL Event message to notify the 1073 * host to powerdown 1074 */ 1075 pnv->powerdown_notifier.notify = pnv_powerdown_notify; 1076 qemu_register_powerdown_notifier(&pnv->powerdown_notifier); 1077 1078 /* 1079 * Create/Connect any machine-specific I2C devices 1080 */ 1081 if (pmc->i2c_init) { 1082 pmc->i2c_init(pnv); 1083 } 1084 } 1085 1086 /* 1087 * 0:21 Reserved - Read as zeros 1088 * 22:24 Chip ID 1089 * 25:28 Core number 1090 * 29:31 Thread ID 1091 */ 1092 static uint32_t pnv_chip_pir_p8(PnvChip *chip, uint32_t core_id, 1093 uint32_t thread_id) 1094 { 1095 return (chip->chip_id << 7) | (core_id << 3) | thread_id; 1096 } 1097 1098 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1099 Error **errp) 1100 { 1101 Pnv8Chip *chip8 = PNV8_CHIP(chip); 1102 Error *local_err = NULL; 1103 Object *obj; 1104 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1105 1106 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err); 1107 if (local_err) { 1108 error_propagate(errp, local_err); 1109 return; 1110 } 1111 1112 pnv_cpu->intc = obj; 1113 } 1114 1115 1116 static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1117 { 1118 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1119 1120 icp_reset(ICP(pnv_cpu->intc)); 1121 } 1122 1123 static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1124 { 1125 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1126 1127 icp_destroy(ICP(pnv_cpu->intc)); 1128 pnv_cpu->intc = NULL; 1129 } 1130 1131 static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1132 GString *buf) 1133 { 1134 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), buf); 1135 } 1136 1137 /* 1138 * 0:48 Reserved - Read as zeroes 1139 * 49:52 Node ID 1140 * 53:55 Chip ID 1141 * 56 Reserved - Read as zero 1142 * 57:61 Core number 1143 * 62:63 Thread ID 1144 * 1145 * We only care about the lower bits. uint32_t is fine for the moment. 1146 */ 1147 static uint32_t pnv_chip_pir_p9(PnvChip *chip, uint32_t core_id, 1148 uint32_t thread_id) 1149 { 1150 if (chip->nr_threads == 8) { 1151 return (chip->chip_id << 8) | ((thread_id & 1) << 2) | (core_id << 3) | 1152 (thread_id >> 1); 1153 } else { 1154 return (chip->chip_id << 8) | (core_id << 2) | thread_id; 1155 } 1156 } 1157 1158 /* 1159 * 0:48 Reserved - Read as zeroes 1160 * 49:52 Node ID 1161 * 53:55 Chip ID 1162 * 56 Reserved - Read as zero 1163 * 57:59 Quad ID 1164 * 60 Core Chiplet Pair ID 1165 * 61:63 Thread/Core Chiplet ID t0-t2 1166 * 1167 * We only care about the lower bits. uint32_t is fine for the moment. 1168 */ 1169 static uint32_t pnv_chip_pir_p10(PnvChip *chip, uint32_t core_id, 1170 uint32_t thread_id) 1171 { 1172 if (chip->nr_threads == 8) { 1173 return (chip->chip_id << 8) | ((core_id / 4) << 4) | 1174 ((core_id % 2) << 3) | thread_id; 1175 } else { 1176 return (chip->chip_id << 8) | (core_id << 2) | thread_id; 1177 } 1178 } 1179 1180 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1181 Error **errp) 1182 { 1183 Pnv9Chip *chip9 = PNV9_CHIP(chip); 1184 Error *local_err = NULL; 1185 Object *obj; 1186 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1187 1188 /* 1189 * The core creates its interrupt presenter but the XIVE interrupt 1190 * controller object is initialized afterwards. Hopefully, it's 1191 * only used at runtime. 1192 */ 1193 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive), 1194 &local_err); 1195 if (local_err) { 1196 error_propagate(errp, local_err); 1197 return; 1198 } 1199 1200 pnv_cpu->intc = obj; 1201 } 1202 1203 static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1204 { 1205 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1206 1207 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); 1208 } 1209 1210 static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1211 { 1212 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1213 1214 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); 1215 pnv_cpu->intc = NULL; 1216 } 1217 1218 static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1219 GString *buf) 1220 { 1221 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), buf); 1222 } 1223 1224 static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1225 Error **errp) 1226 { 1227 Pnv10Chip *chip10 = PNV10_CHIP(chip); 1228 Error *local_err = NULL; 1229 Object *obj; 1230 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1231 1232 /* 1233 * The core creates its interrupt presenter but the XIVE2 interrupt 1234 * controller object is initialized afterwards. Hopefully, it's 1235 * only used at runtime. 1236 */ 1237 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip10->xive), 1238 &local_err); 1239 if (local_err) { 1240 error_propagate(errp, local_err); 1241 return; 1242 } 1243 1244 pnv_cpu->intc = obj; 1245 } 1246 1247 static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1248 { 1249 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1250 1251 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); 1252 } 1253 1254 static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1255 { 1256 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1257 1258 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); 1259 pnv_cpu->intc = NULL; 1260 } 1261 1262 static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1263 GString *buf) 1264 { 1265 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), buf); 1266 } 1267 1268 /* 1269 * Allowed core identifiers on a POWER8 Processor Chip : 1270 * 1271 * <EX0 reserved> 1272 * EX1 - Venice only 1273 * EX2 - Venice only 1274 * EX3 - Venice only 1275 * EX4 1276 * EX5 1277 * EX6 1278 * <EX7,8 reserved> <reserved> 1279 * EX9 - Venice only 1280 * EX10 - Venice only 1281 * EX11 - Venice only 1282 * EX12 1283 * EX13 1284 * EX14 1285 * <EX15 reserved> 1286 */ 1287 #define POWER8E_CORE_MASK (0x7070ull) 1288 #define POWER8_CORE_MASK (0x7e7eull) 1289 1290 /* 1291 * POWER9 has 24 cores, ids starting at 0x0 1292 */ 1293 #define POWER9_CORE_MASK (0xffffffffffffffull) 1294 1295 1296 #define POWER10_CORE_MASK (0xffffffffffffffull) 1297 1298 static void pnv_chip_power8_instance_init(Object *obj) 1299 { 1300 Pnv8Chip *chip8 = PNV8_CHIP(obj); 1301 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1302 int i; 1303 1304 object_property_add_link(obj, "xics", TYPE_XICS_FABRIC, 1305 (Object **)&chip8->xics, 1306 object_property_allow_set_link, 1307 OBJ_PROP_LINK_STRONG); 1308 1309 object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI); 1310 1311 object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC); 1312 1313 object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC); 1314 1315 object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER); 1316 1317 if (defaults_enabled()) { 1318 chip8->num_phbs = pcc->num_phbs; 1319 1320 for (i = 0; i < chip8->num_phbs; i++) { 1321 Object *phb = object_new(TYPE_PNV_PHB); 1322 1323 /* 1324 * We need the chip to parent the PHB to allow the DT 1325 * to build correctly (via pnv_xscom_dt()). 1326 * 1327 * TODO: the PHB should be parented by a PEC device that, at 1328 * this moment, is not modelled powernv8/phb3. 1329 */ 1330 object_property_add_child(obj, "phb[*]", phb); 1331 chip8->phbs[i] = PNV_PHB(phb); 1332 } 1333 } 1334 1335 } 1336 1337 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) 1338 { 1339 PnvChip *chip = PNV_CHIP(chip8); 1340 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1341 int i, j; 1342 char *name; 1343 1344 name = g_strdup_printf("icp-%x", chip->chip_id); 1345 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); 1346 g_free(name); 1347 memory_region_add_subregion(get_system_memory(), PNV_ICP_BASE(chip), 1348 &chip8->icp_mmio); 1349 1350 /* Map the ICP registers for each thread */ 1351 for (i = 0; i < chip->nr_cores; i++) { 1352 PnvCore *pnv_core = chip->cores[i]; 1353 int core_hwid = CPU_CORE(pnv_core)->core_id; 1354 1355 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { 1356 uint32_t pir = pcc->chip_pir(chip, core_hwid, j); 1357 PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir)); 1358 1359 memory_region_add_subregion(&chip8->icp_mmio, pir << 12, 1360 &icp->mmio); 1361 } 1362 } 1363 } 1364 1365 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) 1366 { 1367 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1368 PnvChip *chip = PNV_CHIP(dev); 1369 Pnv8Chip *chip8 = PNV8_CHIP(dev); 1370 Pnv8Psi *psi8 = &chip8->psi; 1371 Error *local_err = NULL; 1372 int i; 1373 1374 assert(chip8->xics); 1375 1376 /* XSCOM bridge is first */ 1377 pnv_xscom_init(chip, PNV_XSCOM_SIZE, PNV_XSCOM_BASE(chip)); 1378 1379 pcc->parent_realize(dev, &local_err); 1380 if (local_err) { 1381 error_propagate(errp, local_err); 1382 return; 1383 } 1384 1385 /* Processor Service Interface (PSI) Host Bridge */ 1386 object_property_set_int(OBJECT(psi8), "bar", PNV_PSIHB_BASE(chip), 1387 &error_fatal); 1388 object_property_set_link(OBJECT(psi8), ICS_PROP_XICS, 1389 OBJECT(chip8->xics), &error_abort); 1390 if (!qdev_realize(DEVICE(psi8), NULL, errp)) { 1391 return; 1392 } 1393 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, 1394 &PNV_PSI(psi8)->xscom_regs); 1395 1396 /* Create LPC controller */ 1397 qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal); 1398 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); 1399 1400 chip->fw_mr = &chip8->lpc.isa_fw; 1401 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", 1402 (uint64_t) PNV_XSCOM_BASE(chip), 1403 PNV_XSCOM_LPC_BASE); 1404 1405 /* 1406 * Interrupt Management Area. This is the memory region holding 1407 * all the Interrupt Control Presenter (ICP) registers 1408 */ 1409 pnv_chip_icp_realize(chip8, &local_err); 1410 if (local_err) { 1411 error_propagate(errp, local_err); 1412 return; 1413 } 1414 1415 /* Create the simplified OCC model */ 1416 if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) { 1417 return; 1418 } 1419 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs); 1420 qdev_connect_gpio_out(DEVICE(&chip8->occ), 0, 1421 qdev_get_gpio_in(DEVICE(psi8), PSIHB_IRQ_OCC)); 1422 1423 /* OCC SRAM model */ 1424 memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip), 1425 &chip8->occ.sram_regs); 1426 1427 /* HOMER */ 1428 object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip), 1429 &error_abort); 1430 if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) { 1431 return; 1432 } 1433 /* Homer Xscom region */ 1434 pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs); 1435 1436 /* Homer mmio region */ 1437 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip), 1438 &chip8->homer.regs); 1439 1440 /* PHB controllers */ 1441 for (i = 0; i < chip8->num_phbs; i++) { 1442 PnvPHB *phb = chip8->phbs[i]; 1443 1444 object_property_set_int(OBJECT(phb), "index", i, &error_fatal); 1445 object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id, 1446 &error_fatal); 1447 object_property_set_link(OBJECT(phb), "chip", OBJECT(chip), 1448 &error_fatal); 1449 if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) { 1450 return; 1451 } 1452 } 1453 } 1454 1455 static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr) 1456 { 1457 addr &= (PNV_XSCOM_SIZE - 1); 1458 return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf); 1459 } 1460 1461 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) 1462 { 1463 DeviceClass *dc = DEVICE_CLASS(klass); 1464 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1465 1466 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */ 1467 k->cores_mask = POWER8E_CORE_MASK; 1468 k->num_phbs = 3; 1469 k->chip_pir = pnv_chip_pir_p8; 1470 k->intc_create = pnv_chip_power8_intc_create; 1471 k->intc_reset = pnv_chip_power8_intc_reset; 1472 k->intc_destroy = pnv_chip_power8_intc_destroy; 1473 k->intc_print_info = pnv_chip_power8_intc_print_info; 1474 k->isa_create = pnv_chip_power8_isa_create; 1475 k->dt_populate = pnv_chip_power8_dt_populate; 1476 k->pic_print_info = pnv_chip_power8_pic_print_info; 1477 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1478 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1479 dc->desc = "PowerNV Chip POWER8E"; 1480 1481 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1482 &k->parent_realize); 1483 } 1484 1485 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) 1486 { 1487 DeviceClass *dc = DEVICE_CLASS(klass); 1488 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1489 1490 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ 1491 k->cores_mask = POWER8_CORE_MASK; 1492 k->num_phbs = 3; 1493 k->chip_pir = pnv_chip_pir_p8; 1494 k->intc_create = pnv_chip_power8_intc_create; 1495 k->intc_reset = pnv_chip_power8_intc_reset; 1496 k->intc_destroy = pnv_chip_power8_intc_destroy; 1497 k->intc_print_info = pnv_chip_power8_intc_print_info; 1498 k->isa_create = pnv_chip_power8_isa_create; 1499 k->dt_populate = pnv_chip_power8_dt_populate; 1500 k->pic_print_info = pnv_chip_power8_pic_print_info; 1501 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1502 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1503 dc->desc = "PowerNV Chip POWER8"; 1504 1505 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1506 &k->parent_realize); 1507 } 1508 1509 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) 1510 { 1511 DeviceClass *dc = DEVICE_CLASS(klass); 1512 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1513 1514 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */ 1515 k->cores_mask = POWER8_CORE_MASK; 1516 k->num_phbs = 4; 1517 k->chip_pir = pnv_chip_pir_p8; 1518 k->intc_create = pnv_chip_power8_intc_create; 1519 k->intc_reset = pnv_chip_power8_intc_reset; 1520 k->intc_destroy = pnv_chip_power8_intc_destroy; 1521 k->intc_print_info = pnv_chip_power8_intc_print_info; 1522 k->isa_create = pnv_chip_power8nvl_isa_create; 1523 k->dt_populate = pnv_chip_power8_dt_populate; 1524 k->pic_print_info = pnv_chip_power8_pic_print_info; 1525 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1526 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1527 dc->desc = "PowerNV Chip POWER8NVL"; 1528 1529 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1530 &k->parent_realize); 1531 } 1532 1533 static void pnv_chip_power9_instance_init(Object *obj) 1534 { 1535 PnvChip *chip = PNV_CHIP(obj); 1536 Pnv9Chip *chip9 = PNV9_CHIP(obj); 1537 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1538 int i; 1539 1540 object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE); 1541 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive), 1542 "xive-fabric"); 1543 1544 object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI); 1545 1546 object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC); 1547 1548 object_initialize_child(obj, "chiptod", &chip9->chiptod, TYPE_PNV9_CHIPTOD); 1549 1550 object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC); 1551 1552 object_initialize_child(obj, "sbe", &chip9->sbe, TYPE_PNV9_SBE); 1553 1554 object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER); 1555 1556 /* Number of PECs is the chip default */ 1557 chip->num_pecs = pcc->num_pecs; 1558 1559 for (i = 0; i < chip->num_pecs; i++) { 1560 object_initialize_child(obj, "pec[*]", &chip9->pecs[i], 1561 TYPE_PNV_PHB4_PEC); 1562 } 1563 1564 for (i = 0; i < pcc->i2c_num_engines; i++) { 1565 object_initialize_child(obj, "i2c[*]", &chip9->i2c[i], TYPE_PNV_I2C); 1566 } 1567 } 1568 1569 static void pnv_chip_quad_realize_one(PnvChip *chip, PnvQuad *eq, 1570 PnvCore *pnv_core, 1571 const char *type) 1572 { 1573 char eq_name[32]; 1574 int core_id = CPU_CORE(pnv_core)->core_id; 1575 1576 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); 1577 object_initialize_child_with_props(OBJECT(chip), eq_name, eq, 1578 sizeof(*eq), type, 1579 &error_fatal, NULL); 1580 1581 object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal); 1582 qdev_realize(DEVICE(eq), NULL, &error_fatal); 1583 } 1584 1585 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) 1586 { 1587 PnvChip *chip = PNV_CHIP(chip9); 1588 int i; 1589 1590 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); 1591 chip9->quads = g_new0(PnvQuad, chip9->nr_quads); 1592 1593 for (i = 0; i < chip9->nr_quads; i++) { 1594 PnvQuad *eq = &chip9->quads[i]; 1595 1596 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], 1597 PNV_QUAD_TYPE_NAME("power9")); 1598 1599 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id), 1600 &eq->xscom_regs); 1601 } 1602 } 1603 1604 static void pnv_chip_power9_pec_realize(PnvChip *chip, Error **errp) 1605 { 1606 Pnv9Chip *chip9 = PNV9_CHIP(chip); 1607 int i; 1608 1609 for (i = 0; i < chip->num_pecs; i++) { 1610 PnvPhb4PecState *pec = &chip9->pecs[i]; 1611 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); 1612 uint32_t pec_nest_base; 1613 uint32_t pec_pci_base; 1614 1615 object_property_set_int(OBJECT(pec), "index", i, &error_fatal); 1616 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, 1617 &error_fatal); 1618 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), 1619 &error_fatal); 1620 if (!qdev_realize(DEVICE(pec), NULL, errp)) { 1621 return; 1622 } 1623 1624 pec_nest_base = pecc->xscom_nest_base(pec); 1625 pec_pci_base = pecc->xscom_pci_base(pec); 1626 1627 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); 1628 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); 1629 } 1630 } 1631 1632 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) 1633 { 1634 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1635 Pnv9Chip *chip9 = PNV9_CHIP(dev); 1636 PnvChip *chip = PNV_CHIP(dev); 1637 Pnv9Psi *psi9 = &chip9->psi; 1638 Error *local_err = NULL; 1639 int i; 1640 1641 /* XSCOM bridge is first */ 1642 pnv_xscom_init(chip, PNV9_XSCOM_SIZE, PNV9_XSCOM_BASE(chip)); 1643 1644 pcc->parent_realize(dev, &local_err); 1645 if (local_err) { 1646 error_propagate(errp, local_err); 1647 return; 1648 } 1649 1650 pnv_chip_quad_realize(chip9, &local_err); 1651 if (local_err) { 1652 error_propagate(errp, local_err); 1653 return; 1654 } 1655 1656 /* XIVE interrupt controller (POWER9) */ 1657 object_property_set_int(OBJECT(&chip9->xive), "ic-bar", 1658 PNV9_XIVE_IC_BASE(chip), &error_fatal); 1659 object_property_set_int(OBJECT(&chip9->xive), "vc-bar", 1660 PNV9_XIVE_VC_BASE(chip), &error_fatal); 1661 object_property_set_int(OBJECT(&chip9->xive), "pc-bar", 1662 PNV9_XIVE_PC_BASE(chip), &error_fatal); 1663 object_property_set_int(OBJECT(&chip9->xive), "tm-bar", 1664 PNV9_XIVE_TM_BASE(chip), &error_fatal); 1665 object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip), 1666 &error_abort); 1667 if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) { 1668 return; 1669 } 1670 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE, 1671 &chip9->xive.xscom_regs); 1672 1673 /* Processor Service Interface (PSI) Host Bridge */ 1674 object_property_set_int(OBJECT(psi9), "bar", PNV9_PSIHB_BASE(chip), 1675 &error_fatal); 1676 /* This is the only device with 4k ESB pages */ 1677 object_property_set_int(OBJECT(psi9), "shift", XIVE_ESB_4K, 1678 &error_fatal); 1679 if (!qdev_realize(DEVICE(psi9), NULL, errp)) { 1680 return; 1681 } 1682 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE, 1683 &PNV_PSI(psi9)->xscom_regs); 1684 1685 /* LPC */ 1686 if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) { 1687 return; 1688 } 1689 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip), 1690 &chip9->lpc.xscom_regs); 1691 1692 chip->fw_mr = &chip9->lpc.isa_fw; 1693 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1694 (uint64_t) PNV9_LPCM_BASE(chip)); 1695 1696 /* ChipTOD */ 1697 object_property_set_bool(OBJECT(&chip9->chiptod), "primary", 1698 chip->chip_id == 0, &error_abort); 1699 object_property_set_bool(OBJECT(&chip9->chiptod), "secondary", 1700 chip->chip_id == 1, &error_abort); 1701 object_property_set_link(OBJECT(&chip9->chiptod), "chip", OBJECT(chip), 1702 &error_abort); 1703 if (!qdev_realize(DEVICE(&chip9->chiptod), NULL, errp)) { 1704 return; 1705 } 1706 pnv_xscom_add_subregion(chip, PNV9_XSCOM_CHIPTOD_BASE, 1707 &chip9->chiptod.xscom_regs); 1708 1709 /* Create the simplified OCC model */ 1710 if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) { 1711 return; 1712 } 1713 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); 1714 qdev_connect_gpio_out(DEVICE(&chip9->occ), 0, qdev_get_gpio_in( 1715 DEVICE(psi9), PSIHB9_IRQ_OCC)); 1716 1717 /* OCC SRAM model */ 1718 memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip), 1719 &chip9->occ.sram_regs); 1720 1721 /* SBE */ 1722 if (!qdev_realize(DEVICE(&chip9->sbe), NULL, errp)) { 1723 return; 1724 } 1725 pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_CTRL_BASE, 1726 &chip9->sbe.xscom_ctrl_regs); 1727 pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_MBOX_BASE, 1728 &chip9->sbe.xscom_mbox_regs); 1729 qdev_connect_gpio_out(DEVICE(&chip9->sbe), 0, qdev_get_gpio_in( 1730 DEVICE(psi9), PSIHB9_IRQ_PSU)); 1731 1732 /* HOMER */ 1733 object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip), 1734 &error_abort); 1735 if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) { 1736 return; 1737 } 1738 /* Homer Xscom region */ 1739 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs); 1740 1741 /* Homer mmio region */ 1742 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip), 1743 &chip9->homer.regs); 1744 1745 /* PEC PHBs */ 1746 pnv_chip_power9_pec_realize(chip, &local_err); 1747 if (local_err) { 1748 error_propagate(errp, local_err); 1749 return; 1750 } 1751 1752 /* 1753 * I2C 1754 */ 1755 for (i = 0; i < pcc->i2c_num_engines; i++) { 1756 Object *obj = OBJECT(&chip9->i2c[i]); 1757 1758 object_property_set_int(obj, "engine", i + 1, &error_fatal); 1759 object_property_set_int(obj, "num-busses", 1760 pcc->i2c_ports_per_engine[i], 1761 &error_fatal); 1762 object_property_set_link(obj, "chip", OBJECT(chip), &error_abort); 1763 if (!qdev_realize(DEVICE(obj), NULL, errp)) { 1764 return; 1765 } 1766 pnv_xscom_add_subregion(chip, PNV9_XSCOM_I2CM_BASE + 1767 (chip9->i2c[i].engine - 1) * 1768 PNV9_XSCOM_I2CM_SIZE, 1769 &chip9->i2c[i].xscom_regs); 1770 qdev_connect_gpio_out(DEVICE(&chip9->i2c[i]), 0, 1771 qdev_get_gpio_in(DEVICE(psi9), 1772 PSIHB9_IRQ_SBE_I2C)); 1773 } 1774 } 1775 1776 static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr) 1777 { 1778 addr &= (PNV9_XSCOM_SIZE - 1); 1779 return addr >> 3; 1780 } 1781 1782 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) 1783 { 1784 DeviceClass *dc = DEVICE_CLASS(klass); 1785 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1786 static const int i2c_ports_per_engine[PNV9_CHIP_MAX_I2C] = {2, 13, 2, 2}; 1787 1788 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */ 1789 k->cores_mask = POWER9_CORE_MASK; 1790 k->chip_pir = pnv_chip_pir_p9; 1791 k->intc_create = pnv_chip_power9_intc_create; 1792 k->intc_reset = pnv_chip_power9_intc_reset; 1793 k->intc_destroy = pnv_chip_power9_intc_destroy; 1794 k->intc_print_info = pnv_chip_power9_intc_print_info; 1795 k->isa_create = pnv_chip_power9_isa_create; 1796 k->dt_populate = pnv_chip_power9_dt_populate; 1797 k->pic_print_info = pnv_chip_power9_pic_print_info; 1798 k->xscom_core_base = pnv_chip_power9_xscom_core_base; 1799 k->xscom_pcba = pnv_chip_power9_xscom_pcba; 1800 dc->desc = "PowerNV Chip POWER9"; 1801 k->num_pecs = PNV9_CHIP_MAX_PEC; 1802 k->i2c_num_engines = PNV9_CHIP_MAX_I2C; 1803 k->i2c_ports_per_engine = i2c_ports_per_engine; 1804 1805 device_class_set_parent_realize(dc, pnv_chip_power9_realize, 1806 &k->parent_realize); 1807 } 1808 1809 static void pnv_chip_power10_instance_init(Object *obj) 1810 { 1811 PnvChip *chip = PNV_CHIP(obj); 1812 Pnv10Chip *chip10 = PNV10_CHIP(obj); 1813 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1814 int i; 1815 1816 object_initialize_child(obj, "xive", &chip10->xive, TYPE_PNV_XIVE2); 1817 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip10->xive), 1818 "xive-fabric"); 1819 object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI); 1820 object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC); 1821 object_initialize_child(obj, "chiptod", &chip10->chiptod, 1822 TYPE_PNV10_CHIPTOD); 1823 object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC); 1824 object_initialize_child(obj, "sbe", &chip10->sbe, TYPE_PNV10_SBE); 1825 object_initialize_child(obj, "homer", &chip10->homer, TYPE_PNV10_HOMER); 1826 object_initialize_child(obj, "n1-chiplet", &chip10->n1_chiplet, 1827 TYPE_PNV_N1_CHIPLET); 1828 1829 chip->num_pecs = pcc->num_pecs; 1830 1831 for (i = 0; i < chip->num_pecs; i++) { 1832 object_initialize_child(obj, "pec[*]", &chip10->pecs[i], 1833 TYPE_PNV_PHB5_PEC); 1834 } 1835 1836 for (i = 0; i < pcc->i2c_num_engines; i++) { 1837 object_initialize_child(obj, "i2c[*]", &chip10->i2c[i], TYPE_PNV_I2C); 1838 } 1839 } 1840 1841 static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp) 1842 { 1843 PnvChip *chip = PNV_CHIP(chip10); 1844 int i; 1845 1846 chip10->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); 1847 chip10->quads = g_new0(PnvQuad, chip10->nr_quads); 1848 1849 for (i = 0; i < chip10->nr_quads; i++) { 1850 PnvQuad *eq = &chip10->quads[i]; 1851 1852 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], 1853 PNV_QUAD_TYPE_NAME("power10")); 1854 1855 pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->quad_id), 1856 &eq->xscom_regs); 1857 1858 pnv_xscom_add_subregion(chip, PNV10_XSCOM_QME_BASE(eq->quad_id), 1859 &eq->xscom_qme_regs); 1860 } 1861 } 1862 1863 static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp) 1864 { 1865 Pnv10Chip *chip10 = PNV10_CHIP(chip); 1866 int i; 1867 1868 for (i = 0; i < chip->num_pecs; i++) { 1869 PnvPhb4PecState *pec = &chip10->pecs[i]; 1870 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); 1871 uint32_t pec_nest_base; 1872 uint32_t pec_pci_base; 1873 1874 object_property_set_int(OBJECT(pec), "index", i, &error_fatal); 1875 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, 1876 &error_fatal); 1877 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), 1878 &error_fatal); 1879 if (!qdev_realize(DEVICE(pec), NULL, errp)) { 1880 return; 1881 } 1882 1883 pec_nest_base = pecc->xscom_nest_base(pec); 1884 pec_pci_base = pecc->xscom_pci_base(pec); 1885 1886 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); 1887 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); 1888 } 1889 } 1890 1891 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) 1892 { 1893 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1894 PnvChip *chip = PNV_CHIP(dev); 1895 Pnv10Chip *chip10 = PNV10_CHIP(dev); 1896 Error *local_err = NULL; 1897 int i; 1898 1899 /* XSCOM bridge is first */ 1900 pnv_xscom_init(chip, PNV10_XSCOM_SIZE, PNV10_XSCOM_BASE(chip)); 1901 1902 pcc->parent_realize(dev, &local_err); 1903 if (local_err) { 1904 error_propagate(errp, local_err); 1905 return; 1906 } 1907 1908 pnv_chip_power10_quad_realize(chip10, &local_err); 1909 if (local_err) { 1910 error_propagate(errp, local_err); 1911 return; 1912 } 1913 1914 /* XIVE2 interrupt controller (POWER10) */ 1915 object_property_set_int(OBJECT(&chip10->xive), "ic-bar", 1916 PNV10_XIVE2_IC_BASE(chip), &error_fatal); 1917 object_property_set_int(OBJECT(&chip10->xive), "esb-bar", 1918 PNV10_XIVE2_ESB_BASE(chip), &error_fatal); 1919 object_property_set_int(OBJECT(&chip10->xive), "end-bar", 1920 PNV10_XIVE2_END_BASE(chip), &error_fatal); 1921 object_property_set_int(OBJECT(&chip10->xive), "nvpg-bar", 1922 PNV10_XIVE2_NVPG_BASE(chip), &error_fatal); 1923 object_property_set_int(OBJECT(&chip10->xive), "nvc-bar", 1924 PNV10_XIVE2_NVC_BASE(chip), &error_fatal); 1925 object_property_set_int(OBJECT(&chip10->xive), "tm-bar", 1926 PNV10_XIVE2_TM_BASE(chip), &error_fatal); 1927 object_property_set_link(OBJECT(&chip10->xive), "chip", OBJECT(chip), 1928 &error_abort); 1929 if (!sysbus_realize(SYS_BUS_DEVICE(&chip10->xive), errp)) { 1930 return; 1931 } 1932 pnv_xscom_add_subregion(chip, PNV10_XSCOM_XIVE2_BASE, 1933 &chip10->xive.xscom_regs); 1934 1935 /* Processor Service Interface (PSI) Host Bridge */ 1936 object_property_set_int(OBJECT(&chip10->psi), "bar", 1937 PNV10_PSIHB_BASE(chip), &error_fatal); 1938 /* PSI can now be configured to use 64k ESB pages on POWER10 */ 1939 object_property_set_int(OBJECT(&chip10->psi), "shift", XIVE_ESB_64K, 1940 &error_fatal); 1941 if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) { 1942 return; 1943 } 1944 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE, 1945 &PNV_PSI(&chip10->psi)->xscom_regs); 1946 1947 /* LPC */ 1948 if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) { 1949 return; 1950 } 1951 memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip), 1952 &chip10->lpc.xscom_regs); 1953 1954 chip->fw_mr = &chip10->lpc.isa_fw; 1955 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1956 (uint64_t) PNV10_LPCM_BASE(chip)); 1957 1958 /* ChipTOD */ 1959 object_property_set_bool(OBJECT(&chip10->chiptod), "primary", 1960 chip->chip_id == 0, &error_abort); 1961 object_property_set_bool(OBJECT(&chip10->chiptod), "secondary", 1962 chip->chip_id == 1, &error_abort); 1963 object_property_set_link(OBJECT(&chip10->chiptod), "chip", OBJECT(chip), 1964 &error_abort); 1965 if (!qdev_realize(DEVICE(&chip10->chiptod), NULL, errp)) { 1966 return; 1967 } 1968 pnv_xscom_add_subregion(chip, PNV10_XSCOM_CHIPTOD_BASE, 1969 &chip10->chiptod.xscom_regs); 1970 1971 /* Create the simplified OCC model */ 1972 if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) { 1973 return; 1974 } 1975 pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE, 1976 &chip10->occ.xscom_regs); 1977 qdev_connect_gpio_out(DEVICE(&chip10->occ), 0, qdev_get_gpio_in( 1978 DEVICE(&chip10->psi), PSIHB9_IRQ_OCC)); 1979 1980 /* OCC SRAM model */ 1981 memory_region_add_subregion(get_system_memory(), 1982 PNV10_OCC_SENSOR_BASE(chip), 1983 &chip10->occ.sram_regs); 1984 1985 /* SBE */ 1986 if (!qdev_realize(DEVICE(&chip10->sbe), NULL, errp)) { 1987 return; 1988 } 1989 pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_CTRL_BASE, 1990 &chip10->sbe.xscom_ctrl_regs); 1991 pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_MBOX_BASE, 1992 &chip10->sbe.xscom_mbox_regs); 1993 qdev_connect_gpio_out(DEVICE(&chip10->sbe), 0, qdev_get_gpio_in( 1994 DEVICE(&chip10->psi), PSIHB9_IRQ_PSU)); 1995 1996 /* HOMER */ 1997 object_property_set_link(OBJECT(&chip10->homer), "chip", OBJECT(chip), 1998 &error_abort); 1999 if (!qdev_realize(DEVICE(&chip10->homer), NULL, errp)) { 2000 return; 2001 } 2002 /* Homer Xscom region */ 2003 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PBA_BASE, 2004 &chip10->homer.pba_regs); 2005 2006 /* Homer mmio region */ 2007 memory_region_add_subregion(get_system_memory(), PNV10_HOMER_BASE(chip), 2008 &chip10->homer.regs); 2009 2010 /* N1 chiplet */ 2011 if (!qdev_realize(DEVICE(&chip10->n1_chiplet), NULL, errp)) { 2012 return; 2013 } 2014 pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_CHIPLET_CTRL_REGS_BASE, 2015 &chip10->n1_chiplet.nest_pervasive.xscom_ctrl_regs_mr); 2016 2017 pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_PB_SCOM_EQ_BASE, 2018 &chip10->n1_chiplet.xscom_pb_eq_mr); 2019 2020 pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_PB_SCOM_ES_BASE, 2021 &chip10->n1_chiplet.xscom_pb_es_mr); 2022 2023 /* PHBs */ 2024 pnv_chip_power10_phb_realize(chip, &local_err); 2025 if (local_err) { 2026 error_propagate(errp, local_err); 2027 return; 2028 } 2029 2030 2031 /* 2032 * I2C 2033 */ 2034 for (i = 0; i < pcc->i2c_num_engines; i++) { 2035 Object *obj = OBJECT(&chip10->i2c[i]); 2036 2037 object_property_set_int(obj, "engine", i + 1, &error_fatal); 2038 object_property_set_int(obj, "num-busses", 2039 pcc->i2c_ports_per_engine[i], 2040 &error_fatal); 2041 object_property_set_link(obj, "chip", OBJECT(chip), &error_abort); 2042 if (!qdev_realize(DEVICE(obj), NULL, errp)) { 2043 return; 2044 } 2045 pnv_xscom_add_subregion(chip, PNV10_XSCOM_I2CM_BASE + 2046 (chip10->i2c[i].engine - 1) * 2047 PNV10_XSCOM_I2CM_SIZE, 2048 &chip10->i2c[i].xscom_regs); 2049 qdev_connect_gpio_out(DEVICE(&chip10->i2c[i]), 0, 2050 qdev_get_gpio_in(DEVICE(&chip10->psi), 2051 PSIHB9_IRQ_SBE_I2C)); 2052 } 2053 2054 } 2055 2056 static void pnv_rainier_i2c_init(PnvMachineState *pnv) 2057 { 2058 int i; 2059 for (i = 0; i < pnv->num_chips; i++) { 2060 Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]); 2061 2062 /* 2063 * Add a PCA9552 I2C device for PCIe hotplug control 2064 * to engine 2, bus 1, address 0x63 2065 */ 2066 I2CSlave *dev = i2c_slave_create_simple(chip10->i2c[2].busses[1], 2067 "pca9552", 0x63); 2068 2069 /* 2070 * Connect PCA9552 GPIO pins 0-4 (SLOTx_EN) outputs to GPIO pins 5-9 2071 * (SLOTx_PG) inputs in order to fake the pgood state of PCIe slots 2072 * after hypervisor code sets a SLOTx_EN pin high. 2073 */ 2074 qdev_connect_gpio_out(DEVICE(dev), 0, qdev_get_gpio_in(DEVICE(dev), 5)); 2075 qdev_connect_gpio_out(DEVICE(dev), 1, qdev_get_gpio_in(DEVICE(dev), 6)); 2076 qdev_connect_gpio_out(DEVICE(dev), 2, qdev_get_gpio_in(DEVICE(dev), 7)); 2077 qdev_connect_gpio_out(DEVICE(dev), 3, qdev_get_gpio_in(DEVICE(dev), 8)); 2078 qdev_connect_gpio_out(DEVICE(dev), 4, qdev_get_gpio_in(DEVICE(dev), 9)); 2079 2080 /* 2081 * Add a PCA9554 I2C device for cable card presence detection 2082 * to engine 2, bus 1, address 0x25 2083 */ 2084 i2c_slave_create_simple(chip10->i2c[2].busses[1], "pca9554", 0x25); 2085 } 2086 } 2087 2088 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr) 2089 { 2090 addr &= (PNV10_XSCOM_SIZE - 1); 2091 return addr >> 3; 2092 } 2093 2094 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) 2095 { 2096 DeviceClass *dc = DEVICE_CLASS(klass); 2097 PnvChipClass *k = PNV_CHIP_CLASS(klass); 2098 static const int i2c_ports_per_engine[PNV10_CHIP_MAX_I2C] = {14, 14, 2, 16}; 2099 2100 k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */ 2101 k->cores_mask = POWER10_CORE_MASK; 2102 k->chip_pir = pnv_chip_pir_p10; 2103 k->intc_create = pnv_chip_power10_intc_create; 2104 k->intc_reset = pnv_chip_power10_intc_reset; 2105 k->intc_destroy = pnv_chip_power10_intc_destroy; 2106 k->intc_print_info = pnv_chip_power10_intc_print_info; 2107 k->isa_create = pnv_chip_power10_isa_create; 2108 k->dt_populate = pnv_chip_power10_dt_populate; 2109 k->pic_print_info = pnv_chip_power10_pic_print_info; 2110 k->xscom_core_base = pnv_chip_power10_xscom_core_base; 2111 k->xscom_pcba = pnv_chip_power10_xscom_pcba; 2112 dc->desc = "PowerNV Chip POWER10"; 2113 k->num_pecs = PNV10_CHIP_MAX_PEC; 2114 k->i2c_num_engines = PNV10_CHIP_MAX_I2C; 2115 k->i2c_ports_per_engine = i2c_ports_per_engine; 2116 2117 device_class_set_parent_realize(dc, pnv_chip_power10_realize, 2118 &k->parent_realize); 2119 } 2120 2121 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) 2122 { 2123 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 2124 int cores_max; 2125 2126 /* 2127 * No custom mask for this chip, let's use the default one from * 2128 * the chip class 2129 */ 2130 if (!chip->cores_mask) { 2131 chip->cores_mask = pcc->cores_mask; 2132 } 2133 2134 /* filter alien core ids ! some are reserved */ 2135 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) { 2136 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !", 2137 chip->cores_mask); 2138 return; 2139 } 2140 chip->cores_mask &= pcc->cores_mask; 2141 2142 /* now that we have a sane layout, let check the number of cores */ 2143 cores_max = ctpop64(chip->cores_mask); 2144 if (chip->nr_cores > cores_max) { 2145 error_setg(errp, "warning: too many cores for chip ! Limit is %d", 2146 cores_max); 2147 return; 2148 } 2149 } 2150 2151 static void pnv_chip_core_realize(PnvChip *chip, Error **errp) 2152 { 2153 Error *error = NULL; 2154 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 2155 const char *typename = pnv_chip_core_typename(chip); 2156 int i, core_hwid; 2157 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine()); 2158 2159 if (!object_class_by_name(typename)) { 2160 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename); 2161 return; 2162 } 2163 2164 /* Cores */ 2165 pnv_chip_core_sanitize(chip, &error); 2166 if (error) { 2167 error_propagate(errp, error); 2168 return; 2169 } 2170 2171 chip->cores = g_new0(PnvCore *, chip->nr_cores); 2172 2173 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8) 2174 && (i < chip->nr_cores); core_hwid++) { 2175 char core_name[32]; 2176 PnvCore *pnv_core; 2177 uint64_t xscom_core_base; 2178 2179 if (!(chip->cores_mask & (1ull << core_hwid))) { 2180 continue; 2181 } 2182 2183 pnv_core = PNV_CORE(object_new(typename)); 2184 2185 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid); 2186 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core)); 2187 chip->cores[i] = pnv_core; 2188 object_property_set_int(OBJECT(pnv_core), "nr-threads", 2189 chip->nr_threads, &error_fatal); 2190 object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID, 2191 core_hwid, &error_fatal); 2192 object_property_set_int(OBJECT(pnv_core), "hwid", core_hwid, 2193 &error_fatal); 2194 object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr, 2195 &error_fatal); 2196 object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip), 2197 &error_abort); 2198 qdev_realize(DEVICE(pnv_core), NULL, &error_fatal); 2199 2200 /* Each core has an XSCOM MMIO region */ 2201 xscom_core_base = pcc->xscom_core_base(chip, core_hwid); 2202 2203 pnv_xscom_add_subregion(chip, xscom_core_base, 2204 &pnv_core->xscom_regs); 2205 i++; 2206 } 2207 } 2208 2209 static void pnv_chip_realize(DeviceState *dev, Error **errp) 2210 { 2211 PnvChip *chip = PNV_CHIP(dev); 2212 Error *error = NULL; 2213 2214 /* Cores */ 2215 pnv_chip_core_realize(chip, &error); 2216 if (error) { 2217 error_propagate(errp, error); 2218 return; 2219 } 2220 } 2221 2222 static Property pnv_chip_properties[] = { 2223 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0), 2224 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0), 2225 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0), 2226 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1), 2227 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0), 2228 DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1), 2229 DEFINE_PROP_END_OF_LIST(), 2230 }; 2231 2232 static void pnv_chip_class_init(ObjectClass *klass, void *data) 2233 { 2234 DeviceClass *dc = DEVICE_CLASS(klass); 2235 2236 set_bit(DEVICE_CATEGORY_CPU, dc->categories); 2237 dc->realize = pnv_chip_realize; 2238 device_class_set_props(dc, pnv_chip_properties); 2239 dc->desc = "PowerNV Chip"; 2240 } 2241 2242 PnvCore *pnv_chip_find_core(PnvChip *chip, uint32_t core_id) 2243 { 2244 int i; 2245 2246 for (i = 0; i < chip->nr_cores; i++) { 2247 PnvCore *pc = chip->cores[i]; 2248 CPUCore *cc = CPU_CORE(pc); 2249 2250 if (cc->core_id == core_id) { 2251 return pc; 2252 } 2253 } 2254 return NULL; 2255 } 2256 2257 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir) 2258 { 2259 int i, j; 2260 2261 for (i = 0; i < chip->nr_cores; i++) { 2262 PnvCore *pc = chip->cores[i]; 2263 CPUCore *cc = CPU_CORE(pc); 2264 2265 for (j = 0; j < cc->nr_threads; j++) { 2266 if (ppc_cpu_pir(pc->threads[j]) == pir) { 2267 return pc->threads[j]; 2268 } 2269 } 2270 } 2271 return NULL; 2272 } 2273 2274 static ICSState *pnv_ics_get(XICSFabric *xi, int irq) 2275 { 2276 PnvMachineState *pnv = PNV_MACHINE(xi); 2277 int i, j; 2278 2279 for (i = 0; i < pnv->num_chips; i++) { 2280 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 2281 2282 if (ics_valid_irq(&chip8->psi.ics, irq)) { 2283 return &chip8->psi.ics; 2284 } 2285 2286 for (j = 0; j < chip8->num_phbs; j++) { 2287 PnvPHB *phb = chip8->phbs[j]; 2288 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 2289 2290 if (ics_valid_irq(&phb3->lsis, irq)) { 2291 return &phb3->lsis; 2292 } 2293 2294 if (ics_valid_irq(ICS(&phb3->msis), irq)) { 2295 return ICS(&phb3->msis); 2296 } 2297 } 2298 } 2299 return NULL; 2300 } 2301 2302 PnvChip *pnv_get_chip(PnvMachineState *pnv, uint32_t chip_id) 2303 { 2304 int i; 2305 2306 for (i = 0; i < pnv->num_chips; i++) { 2307 PnvChip *chip = pnv->chips[i]; 2308 if (chip->chip_id == chip_id) { 2309 return chip; 2310 } 2311 } 2312 return NULL; 2313 } 2314 2315 static void pnv_ics_resend(XICSFabric *xi) 2316 { 2317 PnvMachineState *pnv = PNV_MACHINE(xi); 2318 int i, j; 2319 2320 for (i = 0; i < pnv->num_chips; i++) { 2321 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 2322 2323 ics_resend(&chip8->psi.ics); 2324 2325 for (j = 0; j < chip8->num_phbs; j++) { 2326 PnvPHB *phb = chip8->phbs[j]; 2327 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 2328 2329 ics_resend(&phb3->lsis); 2330 ics_resend(ICS(&phb3->msis)); 2331 } 2332 } 2333 } 2334 2335 static ICPState *pnv_icp_get(XICSFabric *xi, int pir) 2336 { 2337 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir); 2338 2339 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL; 2340 } 2341 2342 static void pnv_pic_print_info(InterruptStatsProvider *obj, 2343 Monitor *mon) 2344 { 2345 PnvMachineState *pnv = PNV_MACHINE(obj); 2346 int i; 2347 CPUState *cs; 2348 g_autoptr(GString) buf = g_string_new(""); 2349 g_autoptr(HumanReadableText) info = NULL; 2350 2351 CPU_FOREACH(cs) { 2352 PowerPCCPU *cpu = POWERPC_CPU(cs); 2353 2354 /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */ 2355 PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu, 2356 buf); 2357 } 2358 info = human_readable_text_from_str(buf); 2359 monitor_puts(mon, info->human_readable_text); 2360 2361 for (i = 0; i < pnv->num_chips; i++) { 2362 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon); 2363 } 2364 } 2365 2366 static int pnv_match_nvt(XiveFabric *xfb, uint8_t format, 2367 uint8_t nvt_blk, uint32_t nvt_idx, 2368 bool cam_ignore, uint8_t priority, 2369 uint32_t logic_serv, 2370 XiveTCTXMatch *match) 2371 { 2372 PnvMachineState *pnv = PNV_MACHINE(xfb); 2373 int total_count = 0; 2374 int i; 2375 2376 for (i = 0; i < pnv->num_chips; i++) { 2377 Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]); 2378 XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive); 2379 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); 2380 int count; 2381 2382 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, 2383 priority, logic_serv, match); 2384 2385 if (count < 0) { 2386 return count; 2387 } 2388 2389 total_count += count; 2390 } 2391 2392 return total_count; 2393 } 2394 2395 static int pnv10_xive_match_nvt(XiveFabric *xfb, uint8_t format, 2396 uint8_t nvt_blk, uint32_t nvt_idx, 2397 bool cam_ignore, uint8_t priority, 2398 uint32_t logic_serv, 2399 XiveTCTXMatch *match) 2400 { 2401 PnvMachineState *pnv = PNV_MACHINE(xfb); 2402 int total_count = 0; 2403 int i; 2404 2405 for (i = 0; i < pnv->num_chips; i++) { 2406 Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]); 2407 XivePresenter *xptr = XIVE_PRESENTER(&chip10->xive); 2408 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); 2409 int count; 2410 2411 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, 2412 priority, logic_serv, match); 2413 2414 if (count < 0) { 2415 return count; 2416 } 2417 2418 total_count += count; 2419 } 2420 2421 return total_count; 2422 } 2423 2424 static void pnv_machine_power8_class_init(ObjectClass *oc, void *data) 2425 { 2426 MachineClass *mc = MACHINE_CLASS(oc); 2427 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); 2428 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2429 static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv"; 2430 2431 static GlobalProperty phb_compat[] = { 2432 { TYPE_PNV_PHB, "version", "3" }, 2433 { TYPE_PNV_PHB_ROOT_PORT, "version", "3" }, 2434 }; 2435 2436 mc->desc = "IBM PowerNV (Non-Virtualized) POWER8"; 2437 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); 2438 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2439 2440 xic->icp_get = pnv_icp_get; 2441 xic->ics_get = pnv_ics_get; 2442 xic->ics_resend = pnv_ics_resend; 2443 2444 pmc->compat = compat; 2445 pmc->compat_size = sizeof(compat); 2446 2447 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2448 } 2449 2450 static void pnv_machine_power9_class_init(ObjectClass *oc, void *data) 2451 { 2452 MachineClass *mc = MACHINE_CLASS(oc); 2453 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); 2454 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2455 static const char compat[] = "qemu,powernv9\0ibm,powernv"; 2456 2457 static GlobalProperty phb_compat[] = { 2458 { TYPE_PNV_PHB, "version", "4" }, 2459 { TYPE_PNV_PHB_ROOT_PORT, "version", "4" }, 2460 }; 2461 2462 mc->desc = "IBM PowerNV (Non-Virtualized) POWER9"; 2463 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.2"); 2464 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2465 2466 xfc->match_nvt = pnv_match_nvt; 2467 2468 pmc->compat = compat; 2469 pmc->compat_size = sizeof(compat); 2470 pmc->dt_power_mgt = pnv_dt_power_mgt; 2471 2472 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2473 } 2474 2475 static void pnv_machine_p10_common_class_init(ObjectClass *oc, void *data) 2476 { 2477 MachineClass *mc = MACHINE_CLASS(oc); 2478 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2479 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); 2480 static const char compat[] = "qemu,powernv10\0ibm,powernv"; 2481 2482 static GlobalProperty phb_compat[] = { 2483 { TYPE_PNV_PHB, "version", "5" }, 2484 { TYPE_PNV_PHB_ROOT_PORT, "version", "5" }, 2485 }; 2486 2487 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0"); 2488 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2489 2490 mc->alias = "powernv"; 2491 2492 pmc->compat = compat; 2493 pmc->compat_size = sizeof(compat); 2494 pmc->dt_power_mgt = pnv_dt_power_mgt; 2495 2496 xfc->match_nvt = pnv10_xive_match_nvt; 2497 2498 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2499 } 2500 2501 static void pnv_machine_power10_class_init(ObjectClass *oc, void *data) 2502 { 2503 MachineClass *mc = MACHINE_CLASS(oc); 2504 2505 pnv_machine_p10_common_class_init(oc, data); 2506 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10"; 2507 } 2508 2509 static void pnv_machine_p10_rainier_class_init(ObjectClass *oc, void *data) 2510 { 2511 MachineClass *mc = MACHINE_CLASS(oc); 2512 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2513 2514 pnv_machine_p10_common_class_init(oc, data); 2515 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10 Rainier"; 2516 pmc->i2c_init = pnv_rainier_i2c_init; 2517 } 2518 2519 static bool pnv_machine_get_hb(Object *obj, Error **errp) 2520 { 2521 PnvMachineState *pnv = PNV_MACHINE(obj); 2522 2523 return !!pnv->fw_load_addr; 2524 } 2525 2526 static void pnv_machine_set_hb(Object *obj, bool value, Error **errp) 2527 { 2528 PnvMachineState *pnv = PNV_MACHINE(obj); 2529 2530 if (value) { 2531 pnv->fw_load_addr = 0x8000000; 2532 } 2533 } 2534 2535 static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) 2536 { 2537 CPUPPCState *env = cpu_env(cs); 2538 2539 cpu_synchronize_state(cs); 2540 ppc_cpu_do_system_reset(cs); 2541 if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) { 2542 /* 2543 * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the 2544 * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100 2545 * (PPC_BIT(43)). 2546 */ 2547 if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) { 2548 warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason"); 2549 env->spr[SPR_SRR1] |= SRR1_WAKERESET; 2550 } 2551 } else { 2552 /* 2553 * For non-powersave system resets, SRR1[42:45] are defined to be 2554 * implementation-dependent. The POWER9 User Manual specifies that 2555 * an external (SCOM driven, which may come from a BMC nmi command or 2556 * another CPU requesting a NMI IPI) system reset exception should be 2557 * 0b0010 (PPC_BIT(44)). 2558 */ 2559 env->spr[SPR_SRR1] |= SRR1_WAKESCOM; 2560 } 2561 } 2562 2563 static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) 2564 { 2565 CPUState *cs; 2566 2567 CPU_FOREACH(cs) { 2568 async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); 2569 } 2570 } 2571 2572 static void pnv_machine_class_init(ObjectClass *oc, void *data) 2573 { 2574 MachineClass *mc = MACHINE_CLASS(oc); 2575 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); 2576 NMIClass *nc = NMI_CLASS(oc); 2577 2578 mc->desc = "IBM PowerNV (Non-Virtualized)"; 2579 mc->init = pnv_init; 2580 mc->reset = pnv_reset; 2581 mc->max_cpus = MAX_CPUS; 2582 /* Pnv provides a AHCI device for storage */ 2583 mc->block_default_type = IF_IDE; 2584 mc->no_parallel = 1; 2585 mc->default_boot_order = NULL; 2586 /* 2587 * RAM defaults to less than 2048 for 32-bit hosts, and large 2588 * enough to fit the maximum initrd size at it's load address 2589 */ 2590 mc->default_ram_size = 1 * GiB; 2591 mc->default_ram_id = "pnv.ram"; 2592 ispc->print_info = pnv_pic_print_info; 2593 nc->nmi_monitor_handler = pnv_nmi; 2594 2595 object_class_property_add_bool(oc, "hb-mode", 2596 pnv_machine_get_hb, pnv_machine_set_hb); 2597 object_class_property_set_description(oc, "hb-mode", 2598 "Use a hostboot like boot loader"); 2599 } 2600 2601 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \ 2602 { \ 2603 .name = type, \ 2604 .class_init = class_initfn, \ 2605 .parent = TYPE_PNV8_CHIP, \ 2606 } 2607 2608 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \ 2609 { \ 2610 .name = type, \ 2611 .class_init = class_initfn, \ 2612 .parent = TYPE_PNV9_CHIP, \ 2613 } 2614 2615 #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \ 2616 { \ 2617 .name = type, \ 2618 .class_init = class_initfn, \ 2619 .parent = TYPE_PNV10_CHIP, \ 2620 } 2621 2622 static const TypeInfo types[] = { 2623 { 2624 .name = MACHINE_TYPE_NAME("powernv10-rainier"), 2625 .parent = MACHINE_TYPE_NAME("powernv10"), 2626 .class_init = pnv_machine_p10_rainier_class_init, 2627 }, 2628 { 2629 .name = MACHINE_TYPE_NAME("powernv10"), 2630 .parent = TYPE_PNV_MACHINE, 2631 .class_init = pnv_machine_power10_class_init, 2632 .interfaces = (InterfaceInfo[]) { 2633 { TYPE_XIVE_FABRIC }, 2634 { }, 2635 }, 2636 }, 2637 { 2638 .name = MACHINE_TYPE_NAME("powernv9"), 2639 .parent = TYPE_PNV_MACHINE, 2640 .class_init = pnv_machine_power9_class_init, 2641 .interfaces = (InterfaceInfo[]) { 2642 { TYPE_XIVE_FABRIC }, 2643 { }, 2644 }, 2645 }, 2646 { 2647 .name = MACHINE_TYPE_NAME("powernv8"), 2648 .parent = TYPE_PNV_MACHINE, 2649 .class_init = pnv_machine_power8_class_init, 2650 .interfaces = (InterfaceInfo[]) { 2651 { TYPE_XICS_FABRIC }, 2652 { }, 2653 }, 2654 }, 2655 { 2656 .name = TYPE_PNV_MACHINE, 2657 .parent = TYPE_MACHINE, 2658 .abstract = true, 2659 .instance_size = sizeof(PnvMachineState), 2660 .class_init = pnv_machine_class_init, 2661 .class_size = sizeof(PnvMachineClass), 2662 .interfaces = (InterfaceInfo[]) { 2663 { TYPE_INTERRUPT_STATS_PROVIDER }, 2664 { TYPE_NMI }, 2665 { }, 2666 }, 2667 }, 2668 { 2669 .name = TYPE_PNV_CHIP, 2670 .parent = TYPE_SYS_BUS_DEVICE, 2671 .class_init = pnv_chip_class_init, 2672 .instance_size = sizeof(PnvChip), 2673 .class_size = sizeof(PnvChipClass), 2674 .abstract = true, 2675 }, 2676 2677 /* 2678 * P10 chip and variants 2679 */ 2680 { 2681 .name = TYPE_PNV10_CHIP, 2682 .parent = TYPE_PNV_CHIP, 2683 .instance_init = pnv_chip_power10_instance_init, 2684 .instance_size = sizeof(Pnv10Chip), 2685 }, 2686 DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init), 2687 2688 /* 2689 * P9 chip and variants 2690 */ 2691 { 2692 .name = TYPE_PNV9_CHIP, 2693 .parent = TYPE_PNV_CHIP, 2694 .instance_init = pnv_chip_power9_instance_init, 2695 .instance_size = sizeof(Pnv9Chip), 2696 }, 2697 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), 2698 2699 /* 2700 * P8 chip and variants 2701 */ 2702 { 2703 .name = TYPE_PNV8_CHIP, 2704 .parent = TYPE_PNV_CHIP, 2705 .instance_init = pnv_chip_power8_instance_init, 2706 .instance_size = sizeof(Pnv8Chip), 2707 }, 2708 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), 2709 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), 2710 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, 2711 pnv_chip_power8nvl_class_init), 2712 }; 2713 2714 DEFINE_TYPES(types) 2715