qemu/hw/arm/xlnx-versal.c
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   1/*
   2 * Xilinx Versal SoC model.
   3 *
   4 * Copyright (c) 2018 Xilinx Inc.
   5 * Written by Edgar E. Iglesias
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 or
   9 * (at your option) any later version.
  10 */
  11
  12#include "qemu/osdep.h"
  13#include "qemu/units.h"
  14#include "qapi/error.h"
  15#include "qemu/module.h"
  16#include "hw/sysbus.h"
  17#include "net/net.h"
  18#include "sysemu/sysemu.h"
  19#include "sysemu/kvm.h"
  20#include "hw/arm/boot.h"
  21#include "kvm_arm.h"
  22#include "hw/misc/unimp.h"
  23#include "hw/arm/xlnx-versal.h"
  24#include "qemu/log.h"
  25
  26#define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
  27#define XLNX_VERSAL_RCPU_TYPE ARM_CPU_TYPE_NAME("cortex-r5f")
  28#define GEM_REVISION        0x40070106
  29
  30#define VERSAL_NUM_PMC_APB_IRQS 3
  31#define NUM_OSPI_IRQ_LINES 3
  32
  33static void versal_create_apu_cpus(Versal *s)
  34{
  35    int i;
  36
  37    object_initialize_child(OBJECT(s), "apu-cluster", &s->fpd.apu.cluster,
  38                            TYPE_CPU_CLUSTER);
  39    qdev_prop_set_uint32(DEVICE(&s->fpd.apu.cluster), "cluster-id", 0);
  40
  41    for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
  42        Object *obj;
  43
  44        object_initialize_child(OBJECT(&s->fpd.apu.cluster),
  45                                "apu-cpu[*]", &s->fpd.apu.cpu[i],
  46                                XLNX_VERSAL_ACPU_TYPE);
  47        obj = OBJECT(&s->fpd.apu.cpu[i]);
  48        if (i) {
  49            /* Secondary CPUs start in powered-down state */
  50            object_property_set_bool(obj, "start-powered-off", true,
  51                                     &error_abort);
  52        }
  53
  54        object_property_set_int(obj, "core-count", ARRAY_SIZE(s->fpd.apu.cpu),
  55                                &error_abort);
  56        object_property_set_link(obj, "memory", OBJECT(&s->fpd.apu.mr),
  57                                 &error_abort);
  58        qdev_realize(DEVICE(obj), NULL, &error_fatal);
  59    }
  60
  61    qdev_realize(DEVICE(&s->fpd.apu.cluster), NULL, &error_fatal);
  62}
  63
  64static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
  65{
  66    static const uint64_t addrs[] = {
  67        MM_GIC_APU_DIST_MAIN,
  68        MM_GIC_APU_REDIST_0
  69    };
  70    SysBusDevice *gicbusdev;
  71    DeviceState *gicdev;
  72    int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu);
  73    int i;
  74
  75    object_initialize_child(OBJECT(s), "apu-gic", &s->fpd.apu.gic,
  76                            gicv3_class_name());
  77    gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic);
  78    gicdev = DEVICE(&s->fpd.apu.gic);
  79    qdev_prop_set_uint32(gicdev, "revision", 3);
  80    qdev_prop_set_uint32(gicdev, "num-cpu", nr_apu_cpus);
  81    qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32);
  82    qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
  83    qdev_prop_set_uint32(gicdev, "redist-region-count[0]", nr_apu_cpus);
  84    qdev_prop_set_bit(gicdev, "has-security-extensions", true);
  85
  86    sysbus_realize(SYS_BUS_DEVICE(&s->fpd.apu.gic), &error_fatal);
  87
  88    for (i = 0; i < ARRAY_SIZE(addrs); i++) {
  89        MemoryRegion *mr;
  90
  91        mr = sysbus_mmio_get_region(gicbusdev, i);
  92        memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr);
  93    }
  94
  95    for (i = 0; i < nr_apu_cpus; i++) {
  96        DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]);
  97        int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
  98        qemu_irq maint_irq;
  99        int ti;
 100        /* Mapping from the output timer irq lines from the CPU to the
 101         * GIC PPI inputs.
 102         */
 103        const int timer_irq[] = {
 104            [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ,
 105            [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ,
 106            [GTIMER_HYP]  = VERSAL_TIMER_NS_EL2_IRQ,
 107            [GTIMER_SEC]  = VERSAL_TIMER_S_EL1_IRQ,
 108        };
 109
 110        for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) {
 111            qdev_connect_gpio_out(cpudev, ti,
 112                                  qdev_get_gpio_in(gicdev,
 113                                                   ppibase + timer_irq[ti]));
 114        }
 115        maint_irq = qdev_get_gpio_in(gicdev,
 116                                        ppibase + VERSAL_GIC_MAINT_IRQ);
 117        qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
 118                                    0, maint_irq);
 119        sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
 120        sysbus_connect_irq(gicbusdev, i + nr_apu_cpus,
 121                           qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
 122        sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus,
 123                           qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
 124        sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus,
 125                           qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
 126    }
 127
 128    for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) {
 129        pic[i] = qdev_get_gpio_in(gicdev, i);
 130    }
 131}
 132
 133static void versal_create_rpu_cpus(Versal *s)
 134{
 135    int i;
 136
 137    object_initialize_child(OBJECT(s), "rpu-cluster", &s->lpd.rpu.cluster,
 138                            TYPE_CPU_CLUSTER);
 139    qdev_prop_set_uint32(DEVICE(&s->lpd.rpu.cluster), "cluster-id", 1);
 140
 141    for (i = 0; i < ARRAY_SIZE(s->lpd.rpu.cpu); i++) {
 142        Object *obj;
 143
 144        object_initialize_child(OBJECT(&s->lpd.rpu.cluster),
 145                                "rpu-cpu[*]", &s->lpd.rpu.cpu[i],
 146                                XLNX_VERSAL_RCPU_TYPE);
 147        obj = OBJECT(&s->lpd.rpu.cpu[i]);
 148        object_property_set_bool(obj, "start-powered-off", true,
 149                                 &error_abort);
 150
 151        object_property_set_int(obj, "mp-affinity", 0x100 | i, &error_abort);
 152        object_property_set_int(obj, "core-count", ARRAY_SIZE(s->lpd.rpu.cpu),
 153                                &error_abort);
 154        object_property_set_link(obj, "memory", OBJECT(&s->lpd.rpu.mr),
 155                                 &error_abort);
 156        qdev_realize(DEVICE(obj), NULL, &error_fatal);
 157    }
 158
 159    qdev_realize(DEVICE(&s->lpd.rpu.cluster), NULL, &error_fatal);
 160}
 161
 162static void versal_create_uarts(Versal *s, qemu_irq *pic)
 163{
 164    int i;
 165
 166    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
 167        static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0};
 168        static const uint64_t addrs[] = { MM_UART0, MM_UART1 };
 169        char *name = g_strdup_printf("uart%d", i);
 170        DeviceState *dev;
 171        MemoryRegion *mr;
 172
 173        object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i],
 174                                TYPE_PL011);
 175        dev = DEVICE(&s->lpd.iou.uart[i]);
 176        qdev_prop_set_chr(dev, "chardev", serial_hd(i));
 177        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
 178
 179        mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 180        memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
 181
 182        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
 183        g_free(name);
 184    }
 185}
 186
 187static void versal_create_usbs(Versal *s, qemu_irq *pic)
 188{
 189    DeviceState *dev;
 190    MemoryRegion *mr;
 191
 192    object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb,
 193                            TYPE_XILINX_VERSAL_USB2);
 194    dev = DEVICE(&s->lpd.iou.usb);
 195
 196    object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
 197                             &error_abort);
 198    qdev_prop_set_uint32(dev, "intrs", 1);
 199    qdev_prop_set_uint32(dev, "slots", 2);
 200
 201    sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
 202
 203    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 204    memory_region_add_subregion(&s->mr_ps, MM_USB_0, mr);
 205
 206    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]);
 207
 208    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
 209    memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, mr);
 210}
 211
 212static void versal_create_gems(Versal *s, qemu_irq *pic)
 213{
 214    int i;
 215
 216    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
 217        static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0};
 218        static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 };
 219        char *name = g_strdup_printf("gem%d", i);
 220        NICInfo *nd = &nd_table[i];
 221        DeviceState *dev;
 222        MemoryRegion *mr;
 223
 224        object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i],
 225                                TYPE_CADENCE_GEM);
 226        dev = DEVICE(&s->lpd.iou.gem[i]);
 227        /* FIXME use qdev NIC properties instead of nd_table[] */
 228        if (nd->used) {
 229            qemu_check_nic_model(nd, "cadence_gem");
 230            qdev_set_nic_properties(dev, nd);
 231        }
 232        object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort);
 233        object_property_set_int(OBJECT(dev), "num-priority-queues", 2,
 234                                &error_abort);
 235        object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
 236                                 &error_abort);
 237        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
 238
 239        mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 240        memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
 241
 242        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
 243        g_free(name);
 244    }
 245}
 246
 247static void versal_create_admas(Versal *s, qemu_irq *pic)
 248{
 249    int i;
 250
 251    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
 252        char *name = g_strdup_printf("adma%d", i);
 253        DeviceState *dev;
 254        MemoryRegion *mr;
 255
 256        object_initialize_child(OBJECT(s), name, &s->lpd.iou.adma[i],
 257                                TYPE_XLNX_ZDMA);
 258        dev = DEVICE(&s->lpd.iou.adma[i]);
 259        object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort);
 260        object_property_set_link(OBJECT(dev), "dma",
 261                                 OBJECT(get_system_memory()), &error_fatal);
 262        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
 263
 264        mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 265        memory_region_add_subregion(&s->mr_ps,
 266                                    MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
 267
 268        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]);
 269        g_free(name);
 270    }
 271}
 272
 273#define SDHCI_CAPABILITIES  0x280737ec6481 /* Same as on ZynqMP.  */
 274static void versal_create_sds(Versal *s, qemu_irq *pic)
 275{
 276    int i;
 277
 278    for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) {
 279        DeviceState *dev;
 280        MemoryRegion *mr;
 281
 282        object_initialize_child(OBJECT(s), "sd[*]", &s->pmc.iou.sd[i],
 283                                TYPE_SYSBUS_SDHCI);
 284        dev = DEVICE(&s->pmc.iou.sd[i]);
 285
 286        object_property_set_uint(OBJECT(dev), "sd-spec-version", 3,
 287                                 &error_fatal);
 288        object_property_set_uint(OBJECT(dev), "capareg", SDHCI_CAPABILITIES,
 289                                 &error_fatal);
 290        object_property_set_uint(OBJECT(dev), "uhs", UHS_I, &error_fatal);
 291        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
 292
 293        mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 294        memory_region_add_subregion(&s->mr_ps,
 295                                    MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr);
 296
 297        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
 298                           pic[VERSAL_SD0_IRQ_0 + i * 2]);
 299    }
 300}
 301
 302static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic)
 303{
 304    DeviceState *orgate;
 305
 306    /*
 307     * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following
 308     * models:
 309     *  - RTC
 310     *  - BBRAM
 311     *  - PMC SLCR
 312     */
 313    object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate",
 314                            &s->pmc.apb_irq_orgate, TYPE_OR_IRQ);
 315    orgate = DEVICE(&s->pmc.apb_irq_orgate);
 316    object_property_set_int(OBJECT(orgate),
 317                            "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal);
 318    qdev_realize(orgate, NULL, &error_fatal);
 319    qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]);
 320}
 321
 322static void versal_create_rtc(Versal *s, qemu_irq *pic)
 323{
 324    SysBusDevice *sbd;
 325    MemoryRegion *mr;
 326
 327    object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc,
 328                            TYPE_XLNX_ZYNQMP_RTC);
 329    sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
 330    sysbus_realize(SYS_BUS_DEVICE(sbd), &error_fatal);
 331
 332    mr = sysbus_mmio_get_region(sbd, 0);
 333    memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
 334
 335    /*
 336     * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
 337     * supports them.
 338     */
 339    sysbus_connect_irq(sbd, 1,
 340                       qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0));
 341}
 342
 343static void versal_create_xrams(Versal *s, qemu_irq *pic)
 344{
 345    int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
 346    DeviceState *orgate;
 347    int i;
 348
 349    /* XRAM IRQs get ORed into a single line.  */
 350    object_initialize_child(OBJECT(s), "xram-irq-orgate",
 351                            &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
 352    orgate = DEVICE(&s->lpd.xram.irq_orgate);
 353    object_property_set_int(OBJECT(orgate),
 354                            "num-lines", nr_xrams, &error_fatal);
 355    qdev_realize(orgate, NULL, &error_fatal);
 356    qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
 357
 358    for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
 359        SysBusDevice *sbd;
 360        MemoryRegion *mr;
 361
 362        object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
 363                                TYPE_XLNX_XRAM_CTRL);
 364        sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
 365        sysbus_realize(sbd, &error_fatal);
 366
 367        mr = sysbus_mmio_get_region(sbd, 0);
 368        memory_region_add_subregion(&s->mr_ps,
 369                                    MM_XRAMC + i * MM_XRAMC_SIZE, mr);
 370        mr = sysbus_mmio_get_region(sbd, 1);
 371        memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
 372
 373        sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
 374    }
 375}
 376
 377static void versal_create_bbram(Versal *s, qemu_irq *pic)
 378{
 379    SysBusDevice *sbd;
 380
 381    object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram,
 382                                       sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM,
 383                                       &error_fatal,
 384                                       "crc-zpads", "0",
 385                                       NULL);
 386    sbd = SYS_BUS_DEVICE(&s->pmc.bbram);
 387
 388    sysbus_realize(sbd, &error_fatal);
 389    memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL,
 390                                sysbus_mmio_get_region(sbd, 0));
 391    sysbus_connect_irq(sbd, 0,
 392                       qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1));
 393}
 394
 395static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base)
 396{
 397    SysBusDevice *part = SYS_BUS_DEVICE(dev);
 398
 399    object_property_set_link(OBJECT(part), "efuse",
 400                             OBJECT(&s->pmc.efuse), &error_abort);
 401
 402    sysbus_realize(part, &error_abort);
 403    memory_region_add_subregion(&s->mr_ps, base,
 404                                sysbus_mmio_get_region(part, 0));
 405}
 406
 407static void versal_create_efuse(Versal *s, qemu_irq *pic)
 408{
 409    Object *bits = OBJECT(&s->pmc.efuse);
 410    Object *ctrl = OBJECT(&s->pmc.efuse_ctrl);
 411    Object *cache = OBJECT(&s->pmc.efuse_cache);
 412
 413    object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl,
 414                            TYPE_XLNX_VERSAL_EFUSE_CTRL);
 415
 416    object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache,
 417                            TYPE_XLNX_VERSAL_EFUSE_CACHE);
 418
 419    object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
 420                                       sizeof(s->pmc.efuse),
 421                                       TYPE_XLNX_EFUSE, &error_abort,
 422                                       "efuse-nr", "3",
 423                                       "efuse-size", "8192",
 424                                       NULL);
 425
 426    qdev_realize(DEVICE(bits), NULL, &error_abort);
 427    versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL);
 428    versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE);
 429
 430    sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]);
 431}
 432
 433static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic)
 434{
 435    SysBusDevice *sbd;
 436
 437    object_initialize_child(OBJECT(s), "versal-pmc-iou-slcr", &s->pmc.iou.slcr,
 438                            TYPE_XILINX_VERSAL_PMC_IOU_SLCR);
 439
 440    sbd = SYS_BUS_DEVICE(&s->pmc.iou.slcr);
 441    sysbus_realize(sbd, &error_fatal);
 442
 443    memory_region_add_subregion(&s->mr_ps, MM_PMC_PMC_IOU_SLCR,
 444                                sysbus_mmio_get_region(sbd, 0));
 445
 446    sysbus_connect_irq(sbd, 0,
 447                       qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2));
 448}
 449
 450static void versal_create_ospi(Versal *s, qemu_irq *pic)
 451{
 452    SysBusDevice *sbd;
 453    MemoryRegion *mr_dac;
 454    qemu_irq ospi_mux_sel;
 455    DeviceState *orgate;
 456
 457    memory_region_init(&s->pmc.iou.ospi.linear_mr, OBJECT(s),
 458                       "versal-ospi-linear-mr" , MM_PMC_OSPI_DAC_SIZE);
 459
 460    object_initialize_child(OBJECT(s), "versal-ospi", &s->pmc.iou.ospi.ospi,
 461                            TYPE_XILINX_VERSAL_OSPI);
 462
 463    mr_dac = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 1);
 464    memory_region_add_subregion(&s->pmc.iou.ospi.linear_mr, 0x0, mr_dac);
 465
 466    /* Create the OSPI destination DMA */
 467    object_initialize_child(OBJECT(s), "versal-ospi-dma-dst",
 468                            &s->pmc.iou.ospi.dma_dst,
 469                            TYPE_XLNX_CSU_DMA);
 470
 471    object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_dst),
 472                            "dma", OBJECT(get_system_memory()),
 473                             &error_abort);
 474
 475    sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst);
 476    sysbus_realize(sbd, &error_fatal);
 477
 478    memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_DST,
 479                                sysbus_mmio_get_region(sbd, 0));
 480
 481    /* Create the OSPI source DMA */
 482    object_initialize_child(OBJECT(s), "versal-ospi-dma-src",
 483                            &s->pmc.iou.ospi.dma_src,
 484                            TYPE_XLNX_CSU_DMA);
 485
 486    object_property_set_bool(OBJECT(&s->pmc.iou.ospi.dma_src), "is-dst",
 487                             false, &error_abort);
 488
 489    object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
 490                            "dma", OBJECT(mr_dac), &error_abort);
 491
 492    object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
 493                            "stream-connected-dma",
 494                             OBJECT(&s->pmc.iou.ospi.dma_dst),
 495                             &error_abort);
 496
 497    sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src);
 498    sysbus_realize(sbd, &error_fatal);
 499
 500    memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_SRC,
 501                                sysbus_mmio_get_region(sbd, 0));
 502
 503    /* Realize the OSPI */
 504    object_property_set_link(OBJECT(&s->pmc.iou.ospi.ospi), "dma-src",
 505                             OBJECT(&s->pmc.iou.ospi.dma_src), &error_abort);
 506
 507    sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi);
 508    sysbus_realize(sbd, &error_fatal);
 509
 510    memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI,
 511                                sysbus_mmio_get_region(sbd, 0));
 512
 513    memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DAC,
 514                                &s->pmc.iou.ospi.linear_mr);
 515
 516    /* ospi_mux_sel */
 517    ospi_mux_sel = qdev_get_gpio_in_named(DEVICE(&s->pmc.iou.ospi.ospi),
 518                                          "ospi-mux-sel", 0);
 519    qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "ospi-mux-sel", 0,
 520                                ospi_mux_sel);
 521
 522    /* OSPI irq */
 523    object_initialize_child(OBJECT(s), "ospi-irq-orgate",
 524                            &s->pmc.iou.ospi.irq_orgate, TYPE_OR_IRQ);
 525    object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq_orgate),
 526                            "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal);
 527
 528    orgate = DEVICE(&s->pmc.iou.ospi.irq_orgate);
 529    qdev_realize(orgate, NULL, &error_fatal);
 530
 531    sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0,
 532                       qdev_get_gpio_in(orgate, 0));
 533    sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0,
 534                       qdev_get_gpio_in(orgate, 1));
 535    sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0,
 536                       qdev_get_gpio_in(orgate, 2));
 537
 538    qdev_connect_gpio_out(orgate, 0, pic[VERSAL_OSPI_IRQ]);
 539}
 540
 541static void versal_create_crl(Versal *s, qemu_irq *pic)
 542{
 543    SysBusDevice *sbd;
 544    int i;
 545
 546    object_initialize_child(OBJECT(s), "crl", &s->lpd.crl,
 547                            TYPE_XLNX_VERSAL_CRL);
 548    sbd = SYS_BUS_DEVICE(&s->lpd.crl);
 549
 550    for (i = 0; i < ARRAY_SIZE(s->lpd.rpu.cpu); i++) {
 551        g_autofree gchar *name = g_strdup_printf("cpu_r5[%d]", i);
 552
 553        object_property_set_link(OBJECT(&s->lpd.crl),
 554                                 name, OBJECT(&s->lpd.rpu.cpu[i]),
 555                                 &error_abort);
 556    }
 557
 558    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
 559        g_autofree gchar *name = g_strdup_printf("gem[%d]", i);
 560
 561        object_property_set_link(OBJECT(&s->lpd.crl),
 562                                 name, OBJECT(&s->lpd.iou.gem[i]),
 563                                 &error_abort);
 564    }
 565
 566    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
 567        g_autofree gchar *name = g_strdup_printf("adma[%d]", i);
 568
 569        object_property_set_link(OBJECT(&s->lpd.crl),
 570                                 name, OBJECT(&s->lpd.iou.adma[i]),
 571                                 &error_abort);
 572    }
 573
 574    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
 575        g_autofree gchar *name = g_strdup_printf("uart[%d]", i);
 576
 577        object_property_set_link(OBJECT(&s->lpd.crl),
 578                                 name, OBJECT(&s->lpd.iou.uart[i]),
 579                                 &error_abort);
 580    }
 581
 582    object_property_set_link(OBJECT(&s->lpd.crl),
 583                             "usb", OBJECT(&s->lpd.iou.usb),
 584                             &error_abort);
 585
 586    sysbus_realize(sbd, &error_fatal);
 587    memory_region_add_subregion(&s->mr_ps, MM_CRL,
 588                                sysbus_mmio_get_region(sbd, 0));
 589    sysbus_connect_irq(sbd, 0, pic[VERSAL_CRL_IRQ]);
 590}
 591
 592/* This takes the board allocated linear DDR memory and creates aliases
 593 * for each split DDR range/aperture on the Versal address map.
 594 */
 595static void versal_map_ddr(Versal *s)
 596{
 597    uint64_t size = memory_region_size(s->cfg.mr_ddr);
 598    /* Describes the various split DDR access regions.  */
 599    static const struct {
 600        uint64_t base;
 601        uint64_t size;
 602    } addr_ranges[] = {
 603        { MM_TOP_DDR, MM_TOP_DDR_SIZE },
 604        { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
 605        { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
 606        { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
 607    };
 608    uint64_t offset = 0;
 609    int i;
 610
 611    assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
 612    for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
 613        char *name;
 614        uint64_t mapsize;
 615
 616        mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
 617        name = g_strdup_printf("noc-ddr-range%d", i);
 618        /* Create the MR alias.  */
 619        memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
 620                                 name, s->cfg.mr_ddr,
 621                                 offset, mapsize);
 622
 623        /* Map it onto the NoC MR.  */
 624        memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
 625                                    &s->noc.mr_ddr_ranges[i]);
 626        offset += mapsize;
 627        size -= mapsize;
 628        g_free(name);
 629    }
 630}
 631
 632static void versal_unimp_area(Versal *s, const char *name,
 633                                MemoryRegion *mr,
 634                                hwaddr base, hwaddr size)
 635{
 636    DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
 637    MemoryRegion *mr_dev;
 638
 639    qdev_prop_set_string(dev, "name", name);
 640    qdev_prop_set_uint64(dev, "size", size);
 641    object_property_add_child(OBJECT(s), name, OBJECT(dev));
 642    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 643
 644    mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
 645    memory_region_add_subregion(mr, base, mr_dev);
 646}
 647
 648static void versal_unimp_sd_emmc_sel(void *opaque, int n, int level)
 649{
 650    qemu_log_mask(LOG_UNIMP,
 651                  "Selecting between enabling SD mode or eMMC mode on "
 652                  "controller %d is not yet implemented\n", n);
 653}
 654
 655static void versal_unimp_qspi_ospi_mux_sel(void *opaque, int n, int level)
 656{
 657    qemu_log_mask(LOG_UNIMP,
 658                  "Selecting between enabling the QSPI or OSPI linear address "
 659                  "region is not yet implemented\n");
 660}
 661
 662static void versal_unimp_irq_parity_imr(void *opaque, int n, int level)
 663{
 664    qemu_log_mask(LOG_UNIMP,
 665                  "PMC SLCR parity interrupt behaviour "
 666                  "is not yet implemented\n");
 667}
 668
 669static void versal_unimp(Versal *s)
 670{
 671    qemu_irq gpio_in;
 672
 673    versal_unimp_area(s, "psm", &s->mr_ps,
 674                        MM_PSM_START, MM_PSM_END - MM_PSM_START);
 675    versal_unimp_area(s, "crf", &s->mr_ps,
 676                        MM_FPD_CRF, MM_FPD_CRF_SIZE);
 677    versal_unimp_area(s, "apu", &s->mr_ps,
 678                        MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
 679    versal_unimp_area(s, "crp", &s->mr_ps,
 680                        MM_PMC_CRP, MM_PMC_CRP_SIZE);
 681    versal_unimp_area(s, "iou-scntr", &s->mr_ps,
 682                        MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
 683    versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
 684                        MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
 685
 686    qdev_init_gpio_in_named(DEVICE(s), versal_unimp_sd_emmc_sel,
 687                            "sd-emmc-sel-dummy", 2);
 688    qdev_init_gpio_in_named(DEVICE(s), versal_unimp_qspi_ospi_mux_sel,
 689                            "qspi-ospi-mux-sel-dummy", 1);
 690    qdev_init_gpio_in_named(DEVICE(s), versal_unimp_irq_parity_imr,
 691                            "irq-parity-imr-dummy", 1);
 692
 693    gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 0);
 694    qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 0,
 695                                gpio_in);
 696
 697    gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 1);
 698    qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 1,
 699                                gpio_in);
 700
 701    gpio_in = qdev_get_gpio_in_named(DEVICE(s), "qspi-ospi-mux-sel-dummy", 0);
 702    qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
 703                                "qspi-ospi-mux-sel", 0,
 704                                gpio_in);
 705
 706    gpio_in = qdev_get_gpio_in_named(DEVICE(s), "irq-parity-imr-dummy", 0);
 707    qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
 708                                SYSBUS_DEVICE_GPIO_IRQ, 0,
 709                                gpio_in);
 710}
 711
 712static void versal_realize(DeviceState *dev, Error **errp)
 713{
 714    Versal *s = XLNX_VERSAL(dev);
 715    qemu_irq pic[XLNX_VERSAL_NR_IRQS];
 716
 717    versal_create_apu_cpus(s);
 718    versal_create_apu_gic(s, pic);
 719    versal_create_rpu_cpus(s);
 720    versal_create_uarts(s, pic);
 721    versal_create_usbs(s, pic);
 722    versal_create_gems(s, pic);
 723    versal_create_admas(s, pic);
 724    versal_create_sds(s, pic);
 725    versal_create_pmc_apb_irq_orgate(s, pic);
 726    versal_create_rtc(s, pic);
 727    versal_create_xrams(s, pic);
 728    versal_create_bbram(s, pic);
 729    versal_create_efuse(s, pic);
 730    versal_create_pmc_iou_slcr(s, pic);
 731    versal_create_ospi(s, pic);
 732    versal_create_crl(s, pic);
 733    versal_map_ddr(s);
 734    versal_unimp(s);
 735
 736    /* Create the On Chip Memory (OCM).  */
 737    memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
 738                           MM_OCM_SIZE, &error_fatal);
 739
 740    memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
 741    memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
 742    memory_region_add_subregion_overlap(&s->lpd.rpu.mr, 0,
 743                                        &s->lpd.rpu.mr_ps_alias, 0);
 744}
 745
 746static void versal_init(Object *obj)
 747{
 748    Versal *s = XLNX_VERSAL(obj);
 749
 750    memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
 751    memory_region_init(&s->lpd.rpu.mr, obj, "mr-rpu", UINT64_MAX);
 752    memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
 753    memory_region_init_alias(&s->lpd.rpu.mr_ps_alias, OBJECT(s),
 754                             "mr-rpu-ps-alias", &s->mr_ps, 0, UINT64_MAX);
 755}
 756
 757static Property versal_properties[] = {
 758    DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
 759                     MemoryRegion *),
 760    DEFINE_PROP_END_OF_LIST()
 761};
 762
 763static void versal_class_init(ObjectClass *klass, void *data)
 764{
 765    DeviceClass *dc = DEVICE_CLASS(klass);
 766
 767    dc->realize = versal_realize;
 768    device_class_set_props(dc, versal_properties);
 769    /* No VMSD since we haven't got any top-level SoC state to save.  */
 770}
 771
 772static const TypeInfo versal_info = {
 773    .name = TYPE_XLNX_VERSAL,
 774    .parent = TYPE_SYS_BUS_DEVICE,
 775    .instance_size = sizeof(Versal),
 776    .instance_init = versal_init,
 777    .class_init = versal_class_init,
 778};
 779
 780static void versal_register_types(void)
 781{
 782    type_register_static(&versal_info);
 783}
 784
 785type_init(versal_register_types);
 786