1 /* 2 * ARM SBSA Reference Platform emulation 3 * 4 * Copyright (c) 2018 Linaro Limited 5 * Written by Hongbo Zhang <hongbo.zhang@linaro.org> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2 or later, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qemu-common.h" 22 #include "qapi/error.h" 23 #include "qemu/error-report.h" 24 #include "qemu/units.h" 25 #include "sysemu/device_tree.h" 26 #include "sysemu/numa.h" 27 #include "sysemu/runstate.h" 28 #include "sysemu/sysemu.h" 29 #include "exec/address-spaces.h" 30 #include "exec/hwaddr.h" 31 #include "kvm_arm.h" 32 #include "hw/arm/boot.h" 33 #include "hw/block/flash.h" 34 #include "hw/boards.h" 35 #include "hw/ide/internal.h" 36 #include "hw/ide/ahci_internal.h" 37 #include "hw/intc/arm_gicv3_common.h" 38 #include "hw/loader.h" 39 #include "hw/pci-host/gpex.h" 40 #include "hw/qdev-properties.h" 41 #include "hw/usb.h" 42 #include "hw/char/pl011.h" 43 #include "net/net.h" 44 45 #define RAMLIMIT_GB 8192 46 #define RAMLIMIT_BYTES (RAMLIMIT_GB * GiB) 47 48 #define NUM_IRQS 256 49 #define NUM_SMMU_IRQS 4 50 #define NUM_SATA_PORTS 6 51 52 #define VIRTUAL_PMU_IRQ 7 53 #define ARCH_GIC_MAINT_IRQ 9 54 #define ARCH_TIMER_VIRT_IRQ 11 55 #define ARCH_TIMER_S_EL1_IRQ 13 56 #define ARCH_TIMER_NS_EL1_IRQ 14 57 #define ARCH_TIMER_NS_EL2_IRQ 10 58 59 enum { 60 SBSA_FLASH, 61 SBSA_MEM, 62 SBSA_CPUPERIPHS, 63 SBSA_GIC_DIST, 64 SBSA_GIC_REDIST, 65 SBSA_SMMU, 66 SBSA_UART, 67 SBSA_RTC, 68 SBSA_PCIE, 69 SBSA_PCIE_MMIO, 70 SBSA_PCIE_MMIO_HIGH, 71 SBSA_PCIE_PIO, 72 SBSA_PCIE_ECAM, 73 SBSA_GPIO, 74 SBSA_SECURE_UART, 75 SBSA_SECURE_UART_MM, 76 SBSA_SECURE_MEM, 77 SBSA_AHCI, 78 SBSA_EHCI, 79 }; 80 81 typedef struct MemMapEntry { 82 hwaddr base; 83 hwaddr size; 84 } MemMapEntry; 85 86 typedef struct { 87 MachineState parent; 88 struct arm_boot_info bootinfo; 89 int smp_cpus; 90 void *fdt; 91 int fdt_size; 92 int psci_conduit; 93 DeviceState *gic; 94 PFlashCFI01 *flash[2]; 95 } SBSAMachineState; 96 97 #define TYPE_SBSA_MACHINE MACHINE_TYPE_NAME("sbsa-ref") 98 #define SBSA_MACHINE(obj) \ 99 OBJECT_CHECK(SBSAMachineState, (obj), TYPE_SBSA_MACHINE) 100 101 static const MemMapEntry sbsa_ref_memmap[] = { 102 /* 512M boot ROM */ 103 [SBSA_FLASH] = { 0, 0x20000000 }, 104 /* 512M secure memory */ 105 [SBSA_SECURE_MEM] = { 0x20000000, 0x20000000 }, 106 /* Space reserved for CPU peripheral devices */ 107 [SBSA_CPUPERIPHS] = { 0x40000000, 0x00040000 }, 108 [SBSA_GIC_DIST] = { 0x40060000, 0x00010000 }, 109 [SBSA_GIC_REDIST] = { 0x40080000, 0x04000000 }, 110 [SBSA_UART] = { 0x60000000, 0x00001000 }, 111 [SBSA_RTC] = { 0x60010000, 0x00001000 }, 112 [SBSA_GPIO] = { 0x60020000, 0x00001000 }, 113 [SBSA_SECURE_UART] = { 0x60030000, 0x00001000 }, 114 [SBSA_SECURE_UART_MM] = { 0x60040000, 0x00001000 }, 115 [SBSA_SMMU] = { 0x60050000, 0x00020000 }, 116 /* Space here reserved for more SMMUs */ 117 [SBSA_AHCI] = { 0x60100000, 0x00010000 }, 118 [SBSA_EHCI] = { 0x60110000, 0x00010000 }, 119 /* Space here reserved for other devices */ 120 [SBSA_PCIE_PIO] = { 0x7fff0000, 0x00010000 }, 121 /* 32-bit address PCIE MMIO space */ 122 [SBSA_PCIE_MMIO] = { 0x80000000, 0x70000000 }, 123 /* 256M PCIE ECAM space */ 124 [SBSA_PCIE_ECAM] = { 0xf0000000, 0x10000000 }, 125 /* ~1TB PCIE MMIO space (4GB to 1024GB boundary) */ 126 [SBSA_PCIE_MMIO_HIGH] = { 0x100000000ULL, 0xFF00000000ULL }, 127 [SBSA_MEM] = { 0x10000000000ULL, RAMLIMIT_BYTES }, 128 }; 129 130 static const int sbsa_ref_irqmap[] = { 131 [SBSA_UART] = 1, 132 [SBSA_RTC] = 2, 133 [SBSA_PCIE] = 3, /* ... to 6 */ 134 [SBSA_GPIO] = 7, 135 [SBSA_SECURE_UART] = 8, 136 [SBSA_SECURE_UART_MM] = 9, 137 [SBSA_AHCI] = 10, 138 [SBSA_EHCI] = 11, 139 }; 140 141 /* 142 * Firmware on this machine only uses ACPI table to load OS, these limited 143 * device tree nodes are just to let firmware know the info which varies from 144 * command line parameters, so it is not necessary to be fully compatible 145 * with the kernel CPU and NUMA binding rules. 146 */ 147 static void create_fdt(SBSAMachineState *sms) 148 { 149 void *fdt = create_device_tree(&sms->fdt_size); 150 const MachineState *ms = MACHINE(sms); 151 int nb_numa_nodes = ms->numa_state->num_nodes; 152 int cpu; 153 154 if (!fdt) { 155 error_report("create_device_tree() failed"); 156 exit(1); 157 } 158 159 sms->fdt = fdt; 160 161 qemu_fdt_setprop_string(fdt, "/", "compatible", "linux,sbsa-ref"); 162 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2); 163 qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2); 164 165 if (ms->numa_state->have_numa_distance) { 166 int size = nb_numa_nodes * nb_numa_nodes * 3 * sizeof(uint32_t); 167 uint32_t *matrix = g_malloc0(size); 168 int idx, i, j; 169 170 for (i = 0; i < nb_numa_nodes; i++) { 171 for (j = 0; j < nb_numa_nodes; j++) { 172 idx = (i * nb_numa_nodes + j) * 3; 173 matrix[idx + 0] = cpu_to_be32(i); 174 matrix[idx + 1] = cpu_to_be32(j); 175 matrix[idx + 2] = 176 cpu_to_be32(ms->numa_state->nodes[i].distance[j]); 177 } 178 } 179 180 qemu_fdt_add_subnode(fdt, "/distance-map"); 181 qemu_fdt_setprop(fdt, "/distance-map", "distance-matrix", 182 matrix, size); 183 g_free(matrix); 184 } 185 186 qemu_fdt_add_subnode(sms->fdt, "/cpus"); 187 188 for (cpu = sms->smp_cpus - 1; cpu >= 0; cpu--) { 189 char *nodename = g_strdup_printf("/cpus/cpu@%d", cpu); 190 ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(cpu)); 191 CPUState *cs = CPU(armcpu); 192 193 qemu_fdt_add_subnode(sms->fdt, nodename); 194 195 if (ms->possible_cpus->cpus[cs->cpu_index].props.has_node_id) { 196 qemu_fdt_setprop_cell(sms->fdt, nodename, "numa-node-id", 197 ms->possible_cpus->cpus[cs->cpu_index].props.node_id); 198 } 199 200 g_free(nodename); 201 } 202 } 203 204 #define SBSA_FLASH_SECTOR_SIZE (256 * KiB) 205 206 static PFlashCFI01 *sbsa_flash_create1(SBSAMachineState *sms, 207 const char *name, 208 const char *alias_prop_name) 209 { 210 /* 211 * Create a single flash device. We use the same parameters as 212 * the flash devices on the Versatile Express board. 213 */ 214 DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); 215 216 qdev_prop_set_uint64(dev, "sector-length", SBSA_FLASH_SECTOR_SIZE); 217 qdev_prop_set_uint8(dev, "width", 4); 218 qdev_prop_set_uint8(dev, "device-width", 2); 219 qdev_prop_set_bit(dev, "big-endian", false); 220 qdev_prop_set_uint16(dev, "id0", 0x89); 221 qdev_prop_set_uint16(dev, "id1", 0x18); 222 qdev_prop_set_uint16(dev, "id2", 0x00); 223 qdev_prop_set_uint16(dev, "id3", 0x00); 224 qdev_prop_set_string(dev, "name", name); 225 object_property_add_child(OBJECT(sms), name, OBJECT(dev)); 226 object_property_add_alias(OBJECT(sms), alias_prop_name, 227 OBJECT(dev), "drive"); 228 return PFLASH_CFI01(dev); 229 } 230 231 static void sbsa_flash_create(SBSAMachineState *sms) 232 { 233 sms->flash[0] = sbsa_flash_create1(sms, "sbsa.flash0", "pflash0"); 234 sms->flash[1] = sbsa_flash_create1(sms, "sbsa.flash1", "pflash1"); 235 } 236 237 static void sbsa_flash_map1(PFlashCFI01 *flash, 238 hwaddr base, hwaddr size, 239 MemoryRegion *sysmem) 240 { 241 DeviceState *dev = DEVICE(flash); 242 243 assert(QEMU_IS_ALIGNED(size, SBSA_FLASH_SECTOR_SIZE)); 244 assert(size / SBSA_FLASH_SECTOR_SIZE <= UINT32_MAX); 245 qdev_prop_set_uint32(dev, "num-blocks", size / SBSA_FLASH_SECTOR_SIZE); 246 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 247 248 memory_region_add_subregion(sysmem, base, 249 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 250 0)); 251 } 252 253 static void sbsa_flash_map(SBSAMachineState *sms, 254 MemoryRegion *sysmem, 255 MemoryRegion *secure_sysmem) 256 { 257 /* 258 * Map two flash devices to fill the SBSA_FLASH space in the memmap. 259 * sysmem is the system memory space. secure_sysmem is the secure view 260 * of the system, and the first flash device should be made visible only 261 * there. The second flash device is visible to both secure and nonsecure. 262 */ 263 hwaddr flashsize = sbsa_ref_memmap[SBSA_FLASH].size / 2; 264 hwaddr flashbase = sbsa_ref_memmap[SBSA_FLASH].base; 265 266 sbsa_flash_map1(sms->flash[0], flashbase, flashsize, 267 secure_sysmem); 268 sbsa_flash_map1(sms->flash[1], flashbase + flashsize, flashsize, 269 sysmem); 270 } 271 272 static bool sbsa_firmware_init(SBSAMachineState *sms, 273 MemoryRegion *sysmem, 274 MemoryRegion *secure_sysmem) 275 { 276 int i; 277 BlockBackend *pflash_blk0; 278 279 /* Map legacy -drive if=pflash to machine properties */ 280 for (i = 0; i < ARRAY_SIZE(sms->flash); i++) { 281 pflash_cfi01_legacy_drive(sms->flash[i], 282 drive_get(IF_PFLASH, 0, i)); 283 } 284 285 sbsa_flash_map(sms, sysmem, secure_sysmem); 286 287 pflash_blk0 = pflash_cfi01_get_blk(sms->flash[0]); 288 289 if (bios_name) { 290 char *fname; 291 MemoryRegion *mr; 292 int image_size; 293 294 if (pflash_blk0) { 295 error_report("The contents of the first flash device may be " 296 "specified with -bios or with -drive if=pflash... " 297 "but you cannot use both options at once"); 298 exit(1); 299 } 300 301 /* Fall back to -bios */ 302 303 fname = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 304 if (!fname) { 305 error_report("Could not find ROM image '%s'", bios_name); 306 exit(1); 307 } 308 mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(sms->flash[0]), 0); 309 image_size = load_image_mr(fname, mr); 310 g_free(fname); 311 if (image_size < 0) { 312 error_report("Could not load ROM image '%s'", bios_name); 313 exit(1); 314 } 315 } 316 317 return pflash_blk0 || bios_name; 318 } 319 320 static void create_secure_ram(SBSAMachineState *sms, 321 MemoryRegion *secure_sysmem) 322 { 323 MemoryRegion *secram = g_new(MemoryRegion, 1); 324 hwaddr base = sbsa_ref_memmap[SBSA_SECURE_MEM].base; 325 hwaddr size = sbsa_ref_memmap[SBSA_SECURE_MEM].size; 326 327 memory_region_init_ram(secram, NULL, "sbsa-ref.secure-ram", size, 328 &error_fatal); 329 memory_region_add_subregion(secure_sysmem, base, secram); 330 } 331 332 static void create_gic(SBSAMachineState *sms) 333 { 334 unsigned int smp_cpus = MACHINE(sms)->smp.cpus; 335 SysBusDevice *gicbusdev; 336 const char *gictype; 337 uint32_t redist0_capacity, redist0_count; 338 int i; 339 340 gictype = gicv3_class_name(); 341 342 sms->gic = qdev_new(gictype); 343 qdev_prop_set_uint32(sms->gic, "revision", 3); 344 qdev_prop_set_uint32(sms->gic, "num-cpu", smp_cpus); 345 /* 346 * Note that the num-irq property counts both internal and external 347 * interrupts; there are always 32 of the former (mandated by GIC spec). 348 */ 349 qdev_prop_set_uint32(sms->gic, "num-irq", NUM_IRQS + 32); 350 qdev_prop_set_bit(sms->gic, "has-security-extensions", true); 351 352 redist0_capacity = 353 sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE; 354 redist0_count = MIN(smp_cpus, redist0_capacity); 355 356 qdev_prop_set_uint32(sms->gic, "len-redist-region-count", 1); 357 qdev_prop_set_uint32(sms->gic, "redist-region-count[0]", redist0_count); 358 359 gicbusdev = SYS_BUS_DEVICE(sms->gic); 360 sysbus_realize_and_unref(gicbusdev, &error_fatal); 361 sysbus_mmio_map(gicbusdev, 0, sbsa_ref_memmap[SBSA_GIC_DIST].base); 362 sysbus_mmio_map(gicbusdev, 1, sbsa_ref_memmap[SBSA_GIC_REDIST].base); 363 364 /* 365 * Wire the outputs from each CPU's generic timer and the GICv3 366 * maintenance interrupt signal to the appropriate GIC PPI inputs, 367 * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs. 368 */ 369 for (i = 0; i < smp_cpus; i++) { 370 DeviceState *cpudev = DEVICE(qemu_get_cpu(i)); 371 int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS; 372 int irq; 373 /* 374 * Mapping from the output timer irq lines from the CPU to the 375 * GIC PPI inputs used for this board. 376 */ 377 const int timer_irq[] = { 378 [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ, 379 [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ, 380 [GTIMER_HYP] = ARCH_TIMER_NS_EL2_IRQ, 381 [GTIMER_SEC] = ARCH_TIMER_S_EL1_IRQ, 382 }; 383 384 for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) { 385 qdev_connect_gpio_out(cpudev, irq, 386 qdev_get_gpio_in(sms->gic, 387 ppibase + timer_irq[irq])); 388 } 389 390 qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt", 0, 391 qdev_get_gpio_in(sms->gic, ppibase 392 + ARCH_GIC_MAINT_IRQ)); 393 qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0, 394 qdev_get_gpio_in(sms->gic, ppibase 395 + VIRTUAL_PMU_IRQ)); 396 397 sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); 398 sysbus_connect_irq(gicbusdev, i + smp_cpus, 399 qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); 400 sysbus_connect_irq(gicbusdev, i + 2 * smp_cpus, 401 qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); 402 sysbus_connect_irq(gicbusdev, i + 3 * smp_cpus, 403 qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); 404 } 405 } 406 407 static void create_uart(const SBSAMachineState *sms, int uart, 408 MemoryRegion *mem, Chardev *chr) 409 { 410 hwaddr base = sbsa_ref_memmap[uart].base; 411 int irq = sbsa_ref_irqmap[uart]; 412 DeviceState *dev = qdev_new(TYPE_PL011); 413 SysBusDevice *s = SYS_BUS_DEVICE(dev); 414 415 qdev_prop_set_chr(dev, "chardev", chr); 416 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 417 memory_region_add_subregion(mem, base, 418 sysbus_mmio_get_region(s, 0)); 419 sysbus_connect_irq(s, 0, qdev_get_gpio_in(sms->gic, irq)); 420 } 421 422 static void create_rtc(const SBSAMachineState *sms) 423 { 424 hwaddr base = sbsa_ref_memmap[SBSA_RTC].base; 425 int irq = sbsa_ref_irqmap[SBSA_RTC]; 426 427 sysbus_create_simple("pl031", base, qdev_get_gpio_in(sms->gic, irq)); 428 } 429 430 static DeviceState *gpio_key_dev; 431 static void sbsa_ref_powerdown_req(Notifier *n, void *opaque) 432 { 433 /* use gpio Pin 3 for power button event */ 434 qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1); 435 } 436 437 static Notifier sbsa_ref_powerdown_notifier = { 438 .notify = sbsa_ref_powerdown_req 439 }; 440 441 static void create_gpio(const SBSAMachineState *sms) 442 { 443 DeviceState *pl061_dev; 444 hwaddr base = sbsa_ref_memmap[SBSA_GPIO].base; 445 int irq = sbsa_ref_irqmap[SBSA_GPIO]; 446 447 pl061_dev = sysbus_create_simple("pl061", base, 448 qdev_get_gpio_in(sms->gic, irq)); 449 450 gpio_key_dev = sysbus_create_simple("gpio-key", -1, 451 qdev_get_gpio_in(pl061_dev, 3)); 452 453 /* connect powerdown request */ 454 qemu_register_powerdown_notifier(&sbsa_ref_powerdown_notifier); 455 } 456 457 static void create_ahci(const SBSAMachineState *sms) 458 { 459 hwaddr base = sbsa_ref_memmap[SBSA_AHCI].base; 460 int irq = sbsa_ref_irqmap[SBSA_AHCI]; 461 DeviceState *dev; 462 DriveInfo *hd[NUM_SATA_PORTS]; 463 SysbusAHCIState *sysahci; 464 AHCIState *ahci; 465 int i; 466 467 dev = qdev_new("sysbus-ahci"); 468 qdev_prop_set_uint32(dev, "num-ports", NUM_SATA_PORTS); 469 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 470 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); 471 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(sms->gic, irq)); 472 473 sysahci = SYSBUS_AHCI(dev); 474 ahci = &sysahci->ahci; 475 ide_drive_get(hd, ARRAY_SIZE(hd)); 476 for (i = 0; i < ahci->ports; i++) { 477 if (hd[i] == NULL) { 478 continue; 479 } 480 ide_create_drive(&ahci->dev[i].port, 0, hd[i]); 481 } 482 } 483 484 static void create_ehci(const SBSAMachineState *sms) 485 { 486 hwaddr base = sbsa_ref_memmap[SBSA_EHCI].base; 487 int irq = sbsa_ref_irqmap[SBSA_EHCI]; 488 489 sysbus_create_simple("platform-ehci-usb", base, 490 qdev_get_gpio_in(sms->gic, irq)); 491 } 492 493 static void create_smmu(const SBSAMachineState *sms, PCIBus *bus) 494 { 495 hwaddr base = sbsa_ref_memmap[SBSA_SMMU].base; 496 int irq = sbsa_ref_irqmap[SBSA_SMMU]; 497 DeviceState *dev; 498 int i; 499 500 dev = qdev_new("arm-smmuv3"); 501 502 object_property_set_link(OBJECT(dev), "primary-bus", OBJECT(bus), 503 &error_abort); 504 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 505 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); 506 for (i = 0; i < NUM_SMMU_IRQS; i++) { 507 sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, 508 qdev_get_gpio_in(sms->gic, irq + 1)); 509 } 510 } 511 512 static void create_pcie(SBSAMachineState *sms) 513 { 514 hwaddr base_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].base; 515 hwaddr size_ecam = sbsa_ref_memmap[SBSA_PCIE_ECAM].size; 516 hwaddr base_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].base; 517 hwaddr size_mmio = sbsa_ref_memmap[SBSA_PCIE_MMIO].size; 518 hwaddr base_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].base; 519 hwaddr size_mmio_high = sbsa_ref_memmap[SBSA_PCIE_MMIO_HIGH].size; 520 hwaddr base_pio = sbsa_ref_memmap[SBSA_PCIE_PIO].base; 521 int irq = sbsa_ref_irqmap[SBSA_PCIE]; 522 MemoryRegion *mmio_alias, *mmio_alias_high, *mmio_reg; 523 MemoryRegion *ecam_alias, *ecam_reg; 524 DeviceState *dev; 525 PCIHostState *pci; 526 int i; 527 528 dev = qdev_new(TYPE_GPEX_HOST); 529 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 530 531 /* Map ECAM space */ 532 ecam_alias = g_new0(MemoryRegion, 1); 533 ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); 534 memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam", 535 ecam_reg, 0, size_ecam); 536 memory_region_add_subregion(get_system_memory(), base_ecam, ecam_alias); 537 538 /* Map the MMIO space */ 539 mmio_alias = g_new0(MemoryRegion, 1); 540 mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); 541 memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio", 542 mmio_reg, base_mmio, size_mmio); 543 memory_region_add_subregion(get_system_memory(), base_mmio, mmio_alias); 544 545 /* Map the MMIO_HIGH space */ 546 mmio_alias_high = g_new0(MemoryRegion, 1); 547 memory_region_init_alias(mmio_alias_high, OBJECT(dev), "pcie-mmio-high", 548 mmio_reg, base_mmio_high, size_mmio_high); 549 memory_region_add_subregion(get_system_memory(), base_mmio_high, 550 mmio_alias_high); 551 552 /* Map IO port space */ 553 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio); 554 555 for (i = 0; i < GPEX_NUM_IRQS; i++) { 556 sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, 557 qdev_get_gpio_in(sms->gic, irq + i)); 558 gpex_set_irq_num(GPEX_HOST(dev), i, irq + i); 559 } 560 561 pci = PCI_HOST_BRIDGE(dev); 562 if (pci->bus) { 563 for (i = 0; i < nb_nics; i++) { 564 NICInfo *nd = &nd_table[i]; 565 566 if (!nd->model) { 567 nd->model = g_strdup("e1000e"); 568 } 569 570 pci_nic_init_nofail(nd, pci->bus, nd->model, NULL); 571 } 572 } 573 574 pci_create_simple(pci->bus, -1, "VGA"); 575 576 create_smmu(sms, pci->bus); 577 } 578 579 static void *sbsa_ref_dtb(const struct arm_boot_info *binfo, int *fdt_size) 580 { 581 const SBSAMachineState *board = container_of(binfo, SBSAMachineState, 582 bootinfo); 583 584 *fdt_size = board->fdt_size; 585 return board->fdt; 586 } 587 588 static void sbsa_ref_init(MachineState *machine) 589 { 590 unsigned int smp_cpus = machine->smp.cpus; 591 unsigned int max_cpus = machine->smp.max_cpus; 592 SBSAMachineState *sms = SBSA_MACHINE(machine); 593 MachineClass *mc = MACHINE_GET_CLASS(machine); 594 MemoryRegion *sysmem = get_system_memory(); 595 MemoryRegion *secure_sysmem = g_new(MemoryRegion, 1); 596 bool firmware_loaded; 597 const CPUArchIdList *possible_cpus; 598 int n, sbsa_max_cpus; 599 600 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a57"))) { 601 error_report("sbsa-ref: CPU type other than the built-in " 602 "cortex-a57 not supported"); 603 exit(1); 604 } 605 606 if (kvm_enabled()) { 607 error_report("sbsa-ref: KVM is not supported for this machine"); 608 exit(1); 609 } 610 611 /* 612 * The Secure view of the world is the same as the NonSecure, 613 * but with a few extra devices. Create it as a container region 614 * containing the system memory at low priority; any secure-only 615 * devices go in at higher priority and take precedence. 616 */ 617 memory_region_init(secure_sysmem, OBJECT(machine), "secure-memory", 618 UINT64_MAX); 619 memory_region_add_subregion_overlap(secure_sysmem, 0, sysmem, -1); 620 621 firmware_loaded = sbsa_firmware_init(sms, sysmem, secure_sysmem); 622 623 if (machine->kernel_filename && firmware_loaded) { 624 error_report("sbsa-ref: No fw_cfg device on this machine, " 625 "so -kernel option is not supported when firmware loaded, " 626 "please load OS from hard disk instead"); 627 exit(1); 628 } 629 630 /* 631 * This machine has EL3 enabled, external firmware should supply PSCI 632 * implementation, so the QEMU's internal PSCI is disabled. 633 */ 634 sms->psci_conduit = QEMU_PSCI_CONDUIT_DISABLED; 635 636 sbsa_max_cpus = sbsa_ref_memmap[SBSA_GIC_REDIST].size / GICV3_REDIST_SIZE; 637 638 if (max_cpus > sbsa_max_cpus) { 639 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs " 640 "supported by machine 'sbsa-ref' (%d)", 641 max_cpus, sbsa_max_cpus); 642 exit(1); 643 } 644 645 sms->smp_cpus = smp_cpus; 646 647 if (machine->ram_size > sbsa_ref_memmap[SBSA_MEM].size) { 648 error_report("sbsa-ref: cannot model more than %dGB RAM", RAMLIMIT_GB); 649 exit(1); 650 } 651 652 possible_cpus = mc->possible_cpu_arch_ids(machine); 653 for (n = 0; n < possible_cpus->len; n++) { 654 Object *cpuobj; 655 CPUState *cs; 656 657 if (n >= smp_cpus) { 658 break; 659 } 660 661 cpuobj = object_new(possible_cpus->cpus[n].type); 662 object_property_set_int(cpuobj, "mp-affinity", 663 possible_cpus->cpus[n].arch_id, NULL); 664 665 cs = CPU(cpuobj); 666 cs->cpu_index = n; 667 668 numa_cpu_pre_plug(&possible_cpus->cpus[cs->cpu_index], DEVICE(cpuobj), 669 &error_fatal); 670 671 if (object_property_find(cpuobj, "reset-cbar", NULL)) { 672 object_property_set_int(cpuobj, "reset-cbar", 673 sbsa_ref_memmap[SBSA_CPUPERIPHS].base, 674 &error_abort); 675 } 676 677 object_property_set_link(cpuobj, "memory", OBJECT(sysmem), 678 &error_abort); 679 680 object_property_set_link(cpuobj, "secure-memory", 681 OBJECT(secure_sysmem), &error_abort); 682 683 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); 684 object_unref(cpuobj); 685 } 686 687 memory_region_add_subregion(sysmem, sbsa_ref_memmap[SBSA_MEM].base, 688 machine->ram); 689 690 create_fdt(sms); 691 692 create_secure_ram(sms, secure_sysmem); 693 694 create_gic(sms); 695 696 create_uart(sms, SBSA_UART, sysmem, serial_hd(0)); 697 create_uart(sms, SBSA_SECURE_UART, secure_sysmem, serial_hd(1)); 698 /* Second secure UART for RAS and MM from EL0 */ 699 create_uart(sms, SBSA_SECURE_UART_MM, secure_sysmem, serial_hd(2)); 700 701 create_rtc(sms); 702 703 create_gpio(sms); 704 705 create_ahci(sms); 706 707 create_ehci(sms); 708 709 create_pcie(sms); 710 711 sms->bootinfo.ram_size = machine->ram_size; 712 sms->bootinfo.nb_cpus = smp_cpus; 713 sms->bootinfo.board_id = -1; 714 sms->bootinfo.loader_start = sbsa_ref_memmap[SBSA_MEM].base; 715 sms->bootinfo.get_dtb = sbsa_ref_dtb; 716 sms->bootinfo.firmware_loaded = firmware_loaded; 717 arm_load_kernel(ARM_CPU(first_cpu), machine, &sms->bootinfo); 718 } 719 720 static uint64_t sbsa_ref_cpu_mp_affinity(SBSAMachineState *sms, int idx) 721 { 722 uint8_t clustersz = ARM_DEFAULT_CPUS_PER_CLUSTER; 723 return arm_cpu_mp_affinity(idx, clustersz); 724 } 725 726 static const CPUArchIdList *sbsa_ref_possible_cpu_arch_ids(MachineState *ms) 727 { 728 unsigned int max_cpus = ms->smp.max_cpus; 729 SBSAMachineState *sms = SBSA_MACHINE(ms); 730 int n; 731 732 if (ms->possible_cpus) { 733 assert(ms->possible_cpus->len == max_cpus); 734 return ms->possible_cpus; 735 } 736 737 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 738 sizeof(CPUArchId) * max_cpus); 739 ms->possible_cpus->len = max_cpus; 740 for (n = 0; n < ms->possible_cpus->len; n++) { 741 ms->possible_cpus->cpus[n].type = ms->cpu_type; 742 ms->possible_cpus->cpus[n].arch_id = 743 sbsa_ref_cpu_mp_affinity(sms, n); 744 ms->possible_cpus->cpus[n].props.has_thread_id = true; 745 ms->possible_cpus->cpus[n].props.thread_id = n; 746 } 747 return ms->possible_cpus; 748 } 749 750 static CpuInstanceProperties 751 sbsa_ref_cpu_index_to_props(MachineState *ms, unsigned cpu_index) 752 { 753 MachineClass *mc = MACHINE_GET_CLASS(ms); 754 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 755 756 assert(cpu_index < possible_cpus->len); 757 return possible_cpus->cpus[cpu_index].props; 758 } 759 760 static int64_t 761 sbsa_ref_get_default_cpu_node_id(const MachineState *ms, int idx) 762 { 763 return idx % ms->numa_state->num_nodes; 764 } 765 766 static void sbsa_ref_instance_init(Object *obj) 767 { 768 SBSAMachineState *sms = SBSA_MACHINE(obj); 769 770 sbsa_flash_create(sms); 771 } 772 773 static void sbsa_ref_class_init(ObjectClass *oc, void *data) 774 { 775 MachineClass *mc = MACHINE_CLASS(oc); 776 777 mc->init = sbsa_ref_init; 778 mc->desc = "QEMU 'SBSA Reference' ARM Virtual Machine"; 779 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a57"); 780 mc->max_cpus = 512; 781 mc->pci_allow_0_address = true; 782 mc->minimum_page_bits = 12; 783 mc->block_default_type = IF_IDE; 784 mc->no_cdrom = 1; 785 mc->default_ram_size = 1 * GiB; 786 mc->default_ram_id = "sbsa-ref.ram"; 787 mc->default_cpus = 4; 788 mc->possible_cpu_arch_ids = sbsa_ref_possible_cpu_arch_ids; 789 mc->cpu_index_to_instance_props = sbsa_ref_cpu_index_to_props; 790 mc->get_default_cpu_node_id = sbsa_ref_get_default_cpu_node_id; 791 } 792 793 static const TypeInfo sbsa_ref_info = { 794 .name = TYPE_SBSA_MACHINE, 795 .parent = TYPE_MACHINE, 796 .instance_init = sbsa_ref_instance_init, 797 .class_init = sbsa_ref_class_init, 798 .instance_size = sizeof(SBSAMachineState), 799 }; 800 801 static void sbsa_ref_machine_init(void) 802 { 803 type_register_static(&sbsa_ref_info); 804 } 805 806 type_init(sbsa_ref_machine_init); 807