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 "hw/arm/xlnx-zynqmp.h"
  19 #include "hw/intc/arm_gic_common.h"
  20 #include "exec/address-spaces.h"
  21
  22 #define GIC_NUM_SPI_INTR 160
  23
  24 #define ARM_PHYS_TIMER_PPI  30
  25 #define ARM_VIRT_TIMER_PPI  27
  26
  27 #define GIC_BASE_ADDR       0xf9000000
  28 #define GIC_DIST_ADDR       0xf9010000
  29 #define GIC_CPU_ADDR        0xf9020000
  30
  31 #define SATA_INTR           133
  32 #define SATA_ADDR           0xFD0C0000
  33 #define SATA_NUM_PORTS      2
  34
  35 static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
  36     0xFF0B0000, 0xFF0C0000, 0xFF0D0000, 0xFF0E0000,
  37 };
  38
  39 static const int gem_intr[XLNX_ZYNQMP_NUM_GEMS] = {
  40     57, 59, 61, 63,
  41 };
  42
  43 static const uint64_t uart_addr[XLNX_ZYNQMP_NUM_UARTS] = {
  44     0xFF000000, 0xFF010000,
  45 };
  46
  47 static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
  48     21, 22,
  49 };
  50
  51 static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = {
  52     0xFF160000, 0xFF170000,
  53 };
  54
  55 static const int sdhci_intr[XLNX_ZYNQMP_NUM_SDHCI] = {
  56     48, 49,
  57 };
  58
  59 typedef struct XlnxZynqMPGICRegion {
  60     int region_index;
  61     uint32_t address;
  62 } XlnxZynqMPGICRegion;
  63
  64 static const XlnxZynqMPGICRegion xlnx_zynqmp_gic_regions[] = {
  65     { .region_index = 0, .address = GIC_DIST_ADDR, },
  66     { .region_index = 1, .address = GIC_CPU_ADDR,  },
  67 };
  68
  69 static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index)
  70 {
  71     return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index;
  72 }
  73
  74 static void xlnx_zynqmp_init(Object *obj)
  75 {
  76     XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
  77     int i;
  78
  79     for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
  80         object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
  81                           "cortex-a53-" TYPE_ARM_CPU);
  82         object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
  83                                   &error_abort);
  84     }
  85
  86     for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
  87         object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]),
  88                           "cortex-r5-" TYPE_ARM_CPU);
  89         object_property_add_child(obj, "rpu-cpu[*]", OBJECT(&s->rpu_cpu[i]),
  90                                   &error_abort);
  91     }
  92
  93     object_property_add_link(obj, "ddr-ram", TYPE_MEMORY_REGION,
  94                              (Object **)&s->ddr_ram,
  95                              qdev_prop_allow_set_link_before_realize,
  96                              OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
  97
  98     object_initialize(&s->gic, sizeof(s->gic), TYPE_ARM_GIC);
  99     qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
 100
 101     for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
 102         object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM);
 103         qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default());
 104     }
 105
 106     for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
 107         object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART);
 108         qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
 109     }
 110
 111     object_initialize(&s->sata, sizeof(s->sata), TYPE_SYSBUS_AHCI);
 112     qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default());
 113
 114     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 115         object_initialize(&s->sdhci[i], sizeof(s->sdhci[i]),
 116                           TYPE_SYSBUS_SDHCI);
 117         qdev_set_parent_bus(DEVICE(&s->sdhci[i]),
 118                             sysbus_get_default());
 119     }
 120 }
 121
 122 static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
 123 {
 124     XlnxZynqMPState *s = XLNX_ZYNQMP(dev);
 125     MemoryRegion *system_memory = get_system_memory();
 126     uint8_t i;
 127     uint64_t ram_size;
 128     const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]";
 129     ram_addr_t ddr_low_size, ddr_high_size;
 130     qemu_irq gic_spi[GIC_NUM_SPI_INTR];
 131     Error *err = NULL;
 132
 133     ram_size = memory_region_size(s->ddr_ram);
 134
 135     /* Create the DDR Memory Regions. User friendly checks should happen at
 136      * the board level
 137      */
 138     if (ram_size > XLNX_ZYNQMP_MAX_LOW_RAM_SIZE) {
 139         /* The RAM size is above the maximum available for the low DDR.
 140          * Create the high DDR memory region as well.
 141          */
 142         assert(ram_size <= XLNX_ZYNQMP_MAX_RAM_SIZE);
 143         ddr_low_size = XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
 144         ddr_high_size = ram_size - XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
 145
 146         memory_region_init_alias(&s->ddr_ram_high, NULL,
 147                                  "ddr-ram-high", s->ddr_ram,
 148                                   ddr_low_size, ddr_high_size);
 149         memory_region_add_subregion(get_system_memory(),
 150                                     XLNX_ZYNQMP_HIGH_RAM_START,
 151                                     &s->ddr_ram_high);
 152     } else {
 153         /* RAM must be non-zero */
 154         assert(ram_size);
 155         ddr_low_size = ram_size;
 156     }
 157
 158     memory_region_init_alias(&s->ddr_ram_low, NULL,
 159                              "ddr-ram-low", s->ddr_ram,
 160                               0, ddr_low_size);
 161     memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram_low);
 162
 163     /* Create the four OCM banks */
 164     for (i = 0; i < XLNX_ZYNQMP_NUM_OCM_BANKS; i++) {
 165         char *ocm_name = g_strdup_printf("zynqmp.ocm_ram_bank_%d", i);
 166
 167         memory_region_init_ram(&s->ocm_ram[i], NULL, ocm_name,
 168                                XLNX_ZYNQMP_OCM_RAM_SIZE, &error_fatal);
 169         vmstate_register_ram_global(&s->ocm_ram[i]);
 170         memory_region_add_subregion(get_system_memory(),
 171                                     XLNX_ZYNQMP_OCM_RAM_0_ADDRESS +
 172                                         i * XLNX_ZYNQMP_OCM_RAM_SIZE,
 173                                     &s->ocm_ram[i]);
 174
 175         g_free(ocm_name);
 176     }
 177
 178     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
 179     qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
 180     qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS);
 181     object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
 182     if (err) {
 183         error_propagate(errp, err);
 184         return;
 185     }
 186     assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS);
 187     for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) {
 188         SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic);
 189         const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i];
 190         MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index);
 191         uint32_t addr = r->address;
 192         int j;
 193
 194         sysbus_mmio_map(gic, r->region_index, addr);
 195
 196         for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) {
 197             MemoryRegion *alias = &s->gic_mr[i][j];
 198
 199             addr += XLNX_ZYNQMP_GIC_REGION_SIZE;
 200             memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr,
 201                                      0, XLNX_ZYNQMP_GIC_REGION_SIZE);
 202             memory_region_add_subregion(system_memory, addr, alias);
 203         }
 204     }
 205
 206     for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
 207         qemu_irq irq;
 208         char *name;
 209
 210         object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC,
 211                                 "psci-conduit", &error_abort);
 212
 213         name = object_get_canonical_path_component(OBJECT(&s->apu_cpu[i]));
 214         if (strcmp(name, boot_cpu)) {
 215             /* Secondary CPUs start in PSCI powered-down state */
 216             object_property_set_bool(OBJECT(&s->apu_cpu[i]), true,
 217                                      "start-powered-off", &error_abort);
 218         } else {
 219             s->boot_cpu_ptr = &s->apu_cpu[i];
 220         }
 221         g_free(name);
 222
 223         object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR,
 224                                 "reset-cbar", &error_abort);
 225         object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized",
 226                                  &err);
 227         if (err) {
 228             error_propagate(errp, err);
 229             return;
 230         }
 231
 232         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
 233                            qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]),
 234                                             ARM_CPU_IRQ));
 235         irq = qdev_get_gpio_in(DEVICE(&s->gic),
 236                                arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI));
 237         qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 0, irq);
 238         irq = qdev_get_gpio_in(DEVICE(&s->gic),
 239                                arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI));
 240         qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 1, irq);
 241     }
 242
 243     for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
 244         char *name;
 245
 246         name = object_get_canonical_path_component(OBJECT(&s->rpu_cpu[i]));
 247         if (strcmp(name, boot_cpu)) {
 248             /* Secondary CPUs start in PSCI powered-down state */
 249             object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true,
 250                                      "start-powered-off", &error_abort);
 251         } else {
 252             s->boot_cpu_ptr = &s->rpu_cpu[i];
 253         }
 254         g_free(name);
 255
 256         object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "reset-hivecs",
 257                                  &error_abort);
 258         object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "realized",
 259                                  &err);
 260         if (err) {
 261             error_propagate(errp, err);
 262             return;
 263         }
 264     }
 265
 266     if (!s->boot_cpu_ptr) {
 267         error_setg(errp, "ZynqMP Boot cpu %s not found", boot_cpu);
 268         return;
 269     }
 270
 271     for (i = 0; i < GIC_NUM_SPI_INTR; i++) {
 272         gic_spi[i] = qdev_get_gpio_in(DEVICE(&s->gic), i);
 273     }
 274
 275     for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
 276         NICInfo *nd = &nd_table[i];
 277
 278         if (nd->used) {
 279             qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
 280             qdev_set_nic_properties(DEVICE(&s->gem[i]), nd);
 281         }
 282         object_property_set_bool(OBJECT(&s->gem[i]), true, "realized", &err);
 283         if (err) {
 284             error_propagate(errp, err);
 285             return;
 286         }
 287         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem[i]), 0, gem_addr[i]);
 288         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem[i]), 0,
 289                            gic_spi[gem_intr[i]]);
 290     }
 291
 292     for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
 293         object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
 294         if (err) {
 295             error_propagate(errp, err);
 296             return;
 297         }
 298         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, uart_addr[i]);
 299         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 300                            gic_spi[uart_intr[i]]);
 301     }
 302
 303     object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports",
 304                             &error_abort);
 305     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
 306     if (err) {
 307         error_propagate(errp, err);
 308         return;
 309     }
 310
 311     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, SATA_ADDR);
 312     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]);
 313
 314     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
 315         object_property_set_bool(OBJECT(&s->sdhci[i]), true,
 316                                  "realized", &err);
 317         if (err) {
 318             error_propagate(errp, err);
 319             return;
 320         }
 321         sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
 322                         sdhci_addr[i]);
 323         sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
 324                            gic_spi[sdhci_intr[i]]);
 325     }
 326 }
 327
 328 static Property xlnx_zynqmp_props[] = {
 329     DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu),
 330     DEFINE_PROP_END_OF_LIST()
 331 };
 332
 333 static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
 334 {
 335     DeviceClass *dc = DEVICE_CLASS(oc);
 336
 337     dc->props = xlnx_zynqmp_props;
 338     dc->realize = xlnx_zynqmp_realize;
 339
 340     /*
 341      * Reason: creates an ARM CPU, thus use after free(), see
 342      * arm_cpu_class_init()
 343      */
 344     dc->cannot_destroy_with_object_finalize_yet = true;
 345 }
 346
 347 static const TypeInfo xlnx_zynqmp_type_info = {
 348     .name = TYPE_XLNX_ZYNQMP,
 349     .parent = TYPE_DEVICE,
 350     .instance_size = sizeof(XlnxZynqMPState),
 351     .instance_init = xlnx_zynqmp_init,
 352     .class_init = xlnx_zynqmp_class_init,
 353 };
 354
 355 static void xlnx_zynqmp_register_types(void)
 356 {
 357     type_register_static(&xlnx_zynqmp_type_info);
 358 }
 359
 360 type_init(xlnx_zynqmp_register_types)