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