hw/arm/xlnx-zynqmp.c

   1 /*
   2  * Xilinx Zynq MPSoC emulation
   3  *
   4  * Copyright (C) 2015 Xilinx Inc
   5  * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 #include "qemu/osdep.h"
  19 #include "qapi/error.h"
  20 #include "qemu-common.h"
  21 #include "cpu.h"
  22 #include "hw/arm/xlnx-zynqmp.h"
  23 #include "hw/intc/arm_gic_common.h"
  24 #include "exec/address-spaces.h"
  25 #include "sysemu/kvm.h"
  26 #include "kvm_arm.h"
  27
  28 #define GIC_NUM_SPI_INTR 160
  29
  30 #define ARM_PHYS_TIMER_PPI  30
  31 #define ARM_VIRT_TIMER_PPI  27
  32
  33 #define GEM_REVISION        0x40070106
  34
  35 #define GIC_BASE_ADDR       0xf9000000
  36 #define GIC_DIST_ADDR       0xf9010000
  37 #define GIC_CPU_ADDR        0xf9020000
  38
  39 #define SATA_INTR           133
  40 #define SATA_ADDR           0xFD0C0000
  41 #define SATA_NUM_PORTS      2
  42
  43 #define QSPI_ADDR           0xff0f0000
  44 #define LQSPI_ADDR          0xc0000000
  45 #define QSPI_IRQ            15
  46
  47 #define DP_ADDR             0xfd4a0000
  48 #define DP_IRQ              113
  49
  50 #define DPDMA_ADDR          0xfd4c0000
  51 #define DPDMA_IRQ           116
  52
  53 static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
  54     0xFF0B0000, 0xFF0C0000, 0xFF0D0000, 0xFF0E0000,
  55 };
  56
  57 static const int gem_intr[XLNX_ZYNQMP_NUM_GEMS] = {
  58     57, 59, 61, 63,
  59 };
  60
  61 static const uint64_t uart_addr[XLNX_ZYNQMP_NUM_UARTS] = {
  62     0xFF000000, 0xFF010000,
  63 };
  64
  65 static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
  66     21, 22,
  67 };
  68
  69 static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = {
  70     0xFF160000, 0xFF170000,
  71 };
  72
  73 static const int sdhci_intr[XLNX_ZYNQMP_NUM_SDHCI] = {
  74     48, 49,
  75 };
  76
  77 static const uint64_t spi_addr[XLNX_ZYNQMP_NUM_SPIS] = {
  78     0xFF040000, 0xFF050000,
  79 };
  80
  81 static const int spi_intr[XLNX_ZYNQMP_NUM_SPIS] = {
  82     19, 20,
  83 };
  84
  85 typedef struct XlnxZynqMPGICRegion {
  86     int region_index;
  87     uint32_t address;
  88 } XlnxZynqMPGICRegion;
  89
  90 static const XlnxZynqMPGICRegion xlnx_zynqmp_gic_regions[] = {
  91     { .region_index = 0, .address = GIC_DIST_ADDR, },
  92     { .region_index = 1, .address = GIC_CPU_ADDR,  },
  93 };
  94
  95 static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index)
  96 {
  97     return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index;
  98 }
  99
 100 static void xlnx_zynqmp_create_rpu(XlnxZynqMPState *s, const char *boot_cpu,
 101                                    Error **errp)
 102 {
 103     Error *err = NULL;
 104     int i;
 105     int num_rpus = MIN(smp_cpus - XLNX_ZYNQMP_NUM_APU_CPUS, XLNX_ZYNQMP_NUM_RPU_CPUS);
 106
 107     for (i = 0; i < num_rpus; i++) {
 108         char *name;
 109
 110         object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]),
 111                           "cortex-r5-" TYPE_ARM_CPU);
 112         object_property_add_child(OBJECT(s), "rpu-cpu[*]",
 113                                   OBJECT(&s->rpu_cpu[i]), &error_abort);
 114
 115         name = object_get_canonical_path_component(OBJECT(&s->rpu_cpu[i]));
 116         if (strcmp(name, boot_cpu)) {
 117             /* Secondary CPUs start in PSCI powered-down state */
 118             object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true,
 119                                      "start-powered-off", &error_abort);
 120         } else {
 121             s->boot_cpu_ptr = &s->rpu_cpu[i];
 122         }
 123         g_free(name);
 124
 125         object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "reset-hivecs",
 126                                  &error_abort);
 127         object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "realized",
 128                                  &err);
 129         if (err) {
 130             error_propagate(errp, err);
 131             return;
 132         }
 133     }
 134 }
 135
 136 static void xlnx_zynqmp_init(Object *obj)
 137 {
 138     XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
 139     int i;
 140     int num_apus = MIN(smp_cpus, XLNX_ZYNQMP_NUM_APU_CPUS);
 141
 142     for (i = 0; i < num_apus; i++) {
 143         object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
 144                           "cortex-a53-" TYPE_ARM_CPU);
 145         object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
 146                                   &error_abort);
 147     }
 148
 149     object_initialize(&s->gic, sizeof(s->gic), gic_class_name());
 150     qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
 151
 152     for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
 153         object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM);
 154         qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default());
 155     }
 156
 157     for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
 158         object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART);
 159         qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
 160     }
 161
 162     object_initialize(&s->sata, sizeof(s->sata), TYPE_SYSBUS_AHCI);
 163     qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default());
 164
 165     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 166         object_initialize(&s->sdhci[i], sizeof(s->sdhci[i]),
 167                           TYPE_SYSBUS_SDHCI);
 168         qdev_set_parent_bus(DEVICE(&s->sdhci[i]),
 169                             sysbus_get_default());
 170     }
 171
 172     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
 173         object_initialize(&s->spi[i], sizeof(s->spi[i]),
 174                           TYPE_XILINX_SPIPS);
 175         qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
 176     }
 177
 178     object_initialize(&s->qspi, sizeof(s->qspi), TYPE_XLNX_ZYNQMP_QSPIPS);
 179     qdev_set_parent_bus(DEVICE(&s->qspi), sysbus_get_default());
 180
 181     object_initialize(&s->dp, sizeof(s->dp), TYPE_XLNX_DP);
 182     qdev_set_parent_bus(DEVICE(&s->dp), sysbus_get_default());
 183
 184     object_initialize(&s->dpdma, sizeof(s->dpdma), TYPE_XLNX_DPDMA);
 185     qdev_set_parent_bus(DEVICE(&s->dpdma), sysbus_get_default());
 186 }
 187
 188 static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
 189 {
 190     XlnxZynqMPState *s = XLNX_ZYNQMP(dev);
 191     MemoryRegion *system_memory = get_system_memory();
 192     uint8_t i;
 193     uint64_t ram_size;
 194     int num_apus = MIN(smp_cpus, XLNX_ZYNQMP_NUM_APU_CPUS);
 195     const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]";
 196     ram_addr_t ddr_low_size, ddr_high_size;
 197     qemu_irq gic_spi[GIC_NUM_SPI_INTR];
 198     Error *err = NULL;
 199
 200     ram_size = memory_region_size(s->ddr_ram);
 201
 202     /* Create the DDR Memory Regions. User friendly checks should happen at
 203      * the board level
 204      */
 205     if (ram_size > XLNX_ZYNQMP_MAX_LOW_RAM_SIZE) {
 206         /* The RAM size is above the maximum available for the low DDR.
 207          * Create the high DDR memory region as well.
 208          */
 209         assert(ram_size <= XLNX_ZYNQMP_MAX_RAM_SIZE);
 210         ddr_low_size = XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
 211         ddr_high_size = ram_size - XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
 212
 213         memory_region_init_alias(&s->ddr_ram_high, NULL,
 214                                  "ddr-ram-high", s->ddr_ram,
 215                                   ddr_low_size, ddr_high_size);
 216         memory_region_add_subregion(get_system_memory(),
 217                                     XLNX_ZYNQMP_HIGH_RAM_START,
 218                                     &s->ddr_ram_high);
 219     } else {
 220         /* RAM must be non-zero */
 221         assert(ram_size);
 222         ddr_low_size = ram_size;
 223     }
 224
 225     memory_region_init_alias(&s->ddr_ram_low, NULL,
 226                              "ddr-ram-low", s->ddr_ram,
 227                               0, ddr_low_size);
 228     memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram_low);
 229
 230     /* Create the four OCM banks */
 231     for (i = 0; i < XLNX_ZYNQMP_NUM_OCM_BANKS; i++) {
 232         char *ocm_name = g_strdup_printf("zynqmp.ocm_ram_bank_%d", i);
 233
 234         memory_region_init_ram(&s->ocm_ram[i], NULL, ocm_name,
 235                                XLNX_ZYNQMP_OCM_RAM_SIZE, &error_fatal);
 236         memory_region_add_subregion(get_system_memory(),
 237                                     XLNX_ZYNQMP_OCM_RAM_0_ADDRESS +
 238                                         i * XLNX_ZYNQMP_OCM_RAM_SIZE,
 239                                     &s->ocm_ram[i]);
 240
 241         g_free(ocm_name);
 242     }
 243
 244     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
 245     qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
 246     qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", num_apus);
 247
 248     /* Realize APUs before realizing the GIC. KVM requires this.  */
 249     for (i = 0; i < num_apus; i++) {
 250         char *name;
 251
 252         object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC,
 253                                 "psci-conduit", &error_abort);
 254
 255         name = object_get_canonical_path_component(OBJECT(&s->apu_cpu[i]));
 256         if (strcmp(name, boot_cpu)) {
 257             /* Secondary CPUs start in PSCI powered-down state */
 258             object_property_set_bool(OBJECT(&s->apu_cpu[i]), true,
 259                                      "start-powered-off", &error_abort);
 260         } else {
 261             s->boot_cpu_ptr = &s->apu_cpu[i];
 262         }
 263         g_free(name);
 264
 265         object_property_set_bool(OBJECT(&s->apu_cpu[i]),
 266                                  s->secure, "has_el3", NULL);
 267         object_property_set_bool(OBJECT(&s->apu_cpu[i]),
 268                                  s->virt, "has_el2", NULL);
 269         object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR,
 270                                 "reset-cbar", &error_abort);
 271         object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized",
 272                                  &err);
 273         if (err) {
 274             error_propagate(errp, err);
 275             return;
 276         }
 277     }
 278
 279     object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
 280     if (err) {
 281         error_propagate(errp, err);
 282         return;
 283     }
 284
 285     assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS);
 286     for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) {
 287         SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic);
 288         const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i];
 289         MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index);
 290         uint32_t addr = r->address;
 291         int j;
 292
 293         sysbus_mmio_map(gic, r->region_index, addr);
 294
 295         for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) {
 296             MemoryRegion *alias = &s->gic_mr[i][j];
 297
 298             addr += XLNX_ZYNQMP_GIC_REGION_SIZE;
 299             memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr,
 300                                      0, XLNX_ZYNQMP_GIC_REGION_SIZE);
 301             memory_region_add_subregion(system_memory, addr, alias);
 302         }
 303     }
 304
 305     for (i = 0; i < num_apus; i++) {
 306         qemu_irq irq;
 307
 308         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
 309                            qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]),
 310                                             ARM_CPU_IRQ));
 311         irq = qdev_get_gpio_in(DEVICE(&s->gic),
 312                                arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI));
 313         qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 0, irq);
 314         irq = qdev_get_gpio_in(DEVICE(&s->gic),
 315                                arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI));
 316         qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 1, irq);
 317     }
 318
 319     if (s->has_rpu) {
 320         info_report("The 'has_rpu' property is no longer required, to use the "
 321                     "RPUs just use -smp 6.");
 322     }
 323
 324     xlnx_zynqmp_create_rpu(s, boot_cpu, &err);
 325     if (err) {
 326         error_propagate(errp, err);
 327         return;
 328     }
 329
 330     if (!s->boot_cpu_ptr) {
 331         error_setg(errp, "ZynqMP Boot cpu %s not found", boot_cpu);
 332         return;
 333     }
 334
 335     for (i = 0; i < GIC_NUM_SPI_INTR; i++) {
 336         gic_spi[i] = qdev_get_gpio_in(DEVICE(&s->gic), i);
 337     }
 338
 339     for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
 340         NICInfo *nd = &nd_table[i];
 341
 342         if (nd->used) {
 343             qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
 344             qdev_set_nic_properties(DEVICE(&s->gem[i]), nd);
 345         }
 346         object_property_set_int(OBJECT(&s->gem[i]), GEM_REVISION, "revision",
 347                                 &error_abort);
 348         object_property_set_int(OBJECT(&s->gem[i]), 2, "num-priority-queues",
 349                                 &error_abort);
 350         object_property_set_bool(OBJECT(&s->gem[i]), true, "realized", &err);
 351         if (err) {
 352             error_propagate(errp, err);
 353             return;
 354         }
 355         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem[i]), 0, gem_addr[i]);
 356         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem[i]), 0,
 357                            gic_spi[gem_intr[i]]);
 358     }
 359
 360     for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
 361         qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hds[i]);
 362         object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
 363         if (err) {
 364             error_propagate(errp, err);
 365             return;
 366         }
 367         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, uart_addr[i]);
 368         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 369                            gic_spi[uart_intr[i]]);
 370     }
 371
 372     object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports",
 373                             &error_abort);
 374     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
 375     if (err) {
 376         error_propagate(errp, err);
 377         return;
 378     }
 379
 380     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, SATA_ADDR);
 381     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]);
 382
 383     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 384         char *bus_name;
 385
 386         object_property_set_bool(OBJECT(&s->sdhci[i]), true,
 387                                  "realized", &err);
 388         if (err) {
 389             error_propagate(errp, err);
 390             return;
 391         }
 392         sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
 393                         sdhci_addr[i]);
 394         sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
 395                            gic_spi[sdhci_intr[i]]);
 396         /* Alias controller SD bus to the SoC itself */
 397         bus_name = g_strdup_printf("sd-bus%d", i);
 398         object_property_add_alias(OBJECT(s), bus_name,
 399                                   OBJECT(&s->sdhci[i]), "sd-bus",
 400                                   &error_abort);
 401         g_free(bus_name);
 402     }
 403
 404     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
 405         gchar *bus_name;
 406
 407         object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
 408
 409         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_addr[i]);
 410         sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
 411                            gic_spi[spi_intr[i]]);
 412
 413         /* Alias controller SPI bus to the SoC itself */
 414         bus_name = g_strdup_printf("spi%d", i);
 415         object_property_add_alias(OBJECT(s), bus_name,
 416                                   OBJECT(&s->spi[i]), "spi0",
 417                                   &error_abort);
 418         g_free(bus_name);
 419     }
 420
 421     object_property_set_bool(OBJECT(&s->qspi), true, "realized", &err);
 422     sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 0, QSPI_ADDR);
 423     sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 1, LQSPI_ADDR);
 424     sysbus_connect_irq(SYS_BUS_DEVICE(&s->qspi), 0, gic_spi[QSPI_IRQ]);
 425
 426     for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_BUS; i++) {
 427         gchar *bus_name;
 428         gchar *target_bus;
 429
 430         /* Alias controller SPI bus to the SoC itself */
 431         bus_name = g_strdup_printf("qspi%d", i);
 432         target_bus = g_strdup_printf("spi%d", i);
 433         object_property_add_alias(OBJECT(s), bus_name,
 434                                   OBJECT(&s->qspi), target_bus,
 435                                   &error_abort);
 436         g_free(bus_name);
 437         g_free(target_bus);
 438     }
 439
 440     object_property_set_bool(OBJECT(&s->dp), true, "realized", &err);
 441     if (err) {
 442         error_propagate(errp, err);
 443         return;
 444     }
 445     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dp), 0, DP_ADDR);
 446     sysbus_connect_irq(SYS_BUS_DEVICE(&s->dp), 0, gic_spi[DP_IRQ]);
 447
 448     object_property_set_bool(OBJECT(&s->dpdma), true, "realized", &err);
 449     if (err) {
 450         error_propagate(errp, err);
 451         return;
 452     }
 453     object_property_set_link(OBJECT(&s->dp), OBJECT(&s->dpdma), "dpdma",
 454                              &error_abort);
 455     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dpdma), 0, DPDMA_ADDR);
 456     sysbus_connect_irq(SYS_BUS_DEVICE(&s->dpdma), 0, gic_spi[DPDMA_IRQ]);
 457 }
 458
 459 static Property xlnx_zynqmp_props[] = {
 460     DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu),
 461     DEFINE_PROP_BOOL("secure", XlnxZynqMPState, secure, false),
 462     DEFINE_PROP_BOOL("virtualization", XlnxZynqMPState, virt, false),
 463     DEFINE_PROP_BOOL("has_rpu", XlnxZynqMPState, has_rpu, false),
 464     DEFINE_PROP_LINK("ddr-ram", XlnxZynqMPState, ddr_ram, TYPE_MEMORY_REGION,
 465                      MemoryRegion *),
 466     DEFINE_PROP_END_OF_LIST()
 467 };
 468
 469 static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
 470 {
 471     DeviceClass *dc = DEVICE_CLASS(oc);
 472
 473     dc->props = xlnx_zynqmp_props;
 474     dc->realize = xlnx_zynqmp_realize;
 475     /* Reason: Uses serial_hds in realize function, thus can't be used twice */
 476     dc->user_creatable = false;
 477 }
 478
 479 static const TypeInfo xlnx_zynqmp_type_info = {
 480     .name = TYPE_XLNX_ZYNQMP,
 481     .parent = TYPE_DEVICE,
 482     .instance_size = sizeof(XlnxZynqMPState),
 483     .instance_init = xlnx_zynqmp_init,
 484     .class_init = xlnx_zynqmp_class_init,
 485 };
 486
 487 static void xlnx_zynqmp_register_types(void)
 488 {
 489     type_register_static(&xlnx_zynqmp_type_info);
 490 }
 491
 492 type_init(xlnx_zynqmp_register_types)