qemu/hw/arm/realview.c
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   1/*
   2 * ARM RealView Baseboard System emulation.
   3 *
   4 * Copyright (c) 2006-2007 CodeSourcery.
   5 * Written by Paul Brook
   6 *
   7 * This code is licensed under the GPL.
   8 */
   9
  10#include "qemu/osdep.h"
  11#include "qapi/error.h"
  12#include "cpu.h"
  13#include "hw/sysbus.h"
  14#include "hw/arm/boot.h"
  15#include "hw/arm/primecell.h"
  16#include "hw/net/lan9118.h"
  17#include "hw/net/smc91c111.h"
  18#include "hw/pci/pci.h"
  19#include "net/net.h"
  20#include "sysemu/sysemu.h"
  21#include "hw/boards.h"
  22#include "hw/i2c/i2c.h"
  23#include "qemu/error-report.h"
  24#include "hw/char/pl011.h"
  25#include "hw/cpu/a9mpcore.h"
  26#include "hw/intc/realview_gic.h"
  27#include "hw/irq.h"
  28#include "hw/i2c/arm_sbcon_i2c.h"
  29#include "hw/sd/sd.h"
  30
  31#define SMP_BOOT_ADDR 0xe0000000
  32#define SMP_BOOTREG_ADDR 0x10000030
  33
  34/* Board init.  */
  35
  36static struct arm_boot_info realview_binfo = {
  37    .smp_loader_start = SMP_BOOT_ADDR,
  38    .smp_bootreg_addr = SMP_BOOTREG_ADDR,
  39};
  40
  41/* The following two lists must be consistent.  */
  42enum realview_board_type {
  43    BOARD_EB,
  44    BOARD_EB_MPCORE,
  45    BOARD_PB_A8,
  46    BOARD_PBX_A9,
  47};
  48
  49static const int realview_board_id[] = {
  50    0x33b,
  51    0x33b,
  52    0x769,
  53    0x76d
  54};
  55
  56static void realview_init(MachineState *machine,
  57                          enum realview_board_type board_type)
  58{
  59    ARMCPU *cpu = NULL;
  60    CPUARMState *env;
  61    MemoryRegion *sysmem = get_system_memory();
  62    MemoryRegion *ram_lo;
  63    MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
  64    MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
  65    MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
  66    DeviceState *dev, *sysctl, *gpio2, *pl041;
  67    SysBusDevice *busdev;
  68    qemu_irq pic[64];
  69    qemu_irq mmc_irq[2];
  70    PCIBus *pci_bus = NULL;
  71    NICInfo *nd;
  72    DriveInfo *dinfo;
  73    I2CBus *i2c;
  74    int n;
  75    unsigned int smp_cpus = machine->smp.cpus;
  76    int done_nic = 0;
  77    qemu_irq cpu_irq[4];
  78    int is_mpcore = 0;
  79    int is_pb = 0;
  80    uint32_t proc_id = 0;
  81    uint32_t sys_id;
  82    ram_addr_t low_ram_size;
  83    ram_addr_t ram_size = machine->ram_size;
  84    hwaddr periphbase = 0;
  85
  86    switch (board_type) {
  87    case BOARD_EB:
  88        break;
  89    case BOARD_EB_MPCORE:
  90        is_mpcore = 1;
  91        periphbase = 0x10100000;
  92        break;
  93    case BOARD_PB_A8:
  94        is_pb = 1;
  95        break;
  96    case BOARD_PBX_A9:
  97        is_mpcore = 1;
  98        is_pb = 1;
  99        periphbase = 0x1f000000;
 100        break;
 101    }
 102
 103    for (n = 0; n < smp_cpus; n++) {
 104        Object *cpuobj = object_new(machine->cpu_type);
 105
 106        /* By default A9,A15 and ARM1176 CPUs have EL3 enabled.  This board
 107         * does not currently support EL3 so the CPU EL3 property is disabled
 108         * before realization.
 109         */
 110        if (object_property_find(cpuobj, "has_el3")) {
 111            object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
 112        }
 113
 114        if (is_pb && is_mpcore) {
 115            object_property_set_int(cpuobj, "reset-cbar", periphbase,
 116                                    &error_fatal);
 117        }
 118
 119        qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
 120
 121        cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ);
 122    }
 123    cpu = ARM_CPU(first_cpu);
 124    env = &cpu->env;
 125    if (arm_feature(env, ARM_FEATURE_V7)) {
 126        if (is_mpcore) {
 127            proc_id = 0x0c000000;
 128        } else {
 129            proc_id = 0x0e000000;
 130        }
 131    } else if (arm_feature(env, ARM_FEATURE_V6K)) {
 132        proc_id = 0x06000000;
 133    } else if (arm_feature(env, ARM_FEATURE_V6)) {
 134        proc_id = 0x04000000;
 135    } else {
 136        proc_id = 0x02000000;
 137    }
 138
 139    if (is_pb && ram_size > 0x20000000) {
 140        /* Core tile RAM.  */
 141        ram_lo = g_new(MemoryRegion, 1);
 142        low_ram_size = ram_size - 0x20000000;
 143        ram_size = 0x20000000;
 144        memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size,
 145                               &error_fatal);
 146        memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
 147    }
 148
 149    memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size,
 150                           &error_fatal);
 151    low_ram_size = ram_size;
 152    if (low_ram_size > 0x10000000)
 153      low_ram_size = 0x10000000;
 154    /* SDRAM at address zero.  */
 155    memory_region_init_alias(ram_alias, NULL, "realview.alias",
 156                             ram_hi, 0, low_ram_size);
 157    memory_region_add_subregion(sysmem, 0, ram_alias);
 158    if (is_pb) {
 159        /* And again at a high address.  */
 160        memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
 161    } else {
 162        ram_size = low_ram_size;
 163    }
 164
 165    sys_id = is_pb ? 0x01780500 : 0xc1400400;
 166    sysctl = qdev_new("realview_sysctl");
 167    qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
 168    qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
 169    sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
 170    sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
 171
 172    if (is_mpcore) {
 173        dev = qdev_new(is_pb ? TYPE_A9MPCORE_PRIV : "realview_mpcore");
 174        qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
 175        busdev = SYS_BUS_DEVICE(dev);
 176        sysbus_realize_and_unref(busdev, &error_fatal);
 177        sysbus_mmio_map(busdev, 0, periphbase);
 178        for (n = 0; n < smp_cpus; n++) {
 179            sysbus_connect_irq(busdev, n, cpu_irq[n]);
 180        }
 181        sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
 182        /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
 183        realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
 184    } else {
 185        uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
 186        /* For now just create the nIRQ GIC, and ignore the others.  */
 187        dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]);
 188    }
 189    for (n = 0; n < 64; n++) {
 190        pic[n] = qdev_get_gpio_in(dev, n);
 191    }
 192
 193    pl041 = qdev_new("pl041");
 194    qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
 195    sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
 196    sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
 197    sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
 198
 199    sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
 200    sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
 201
 202    pl011_create(0x10009000, pic[12], serial_hd(0));
 203    pl011_create(0x1000a000, pic[13], serial_hd(1));
 204    pl011_create(0x1000b000, pic[14], serial_hd(2));
 205    pl011_create(0x1000c000, pic[15], serial_hd(3));
 206
 207    /* DMA controller is optional, apparently.  */
 208    dev = qdev_new("pl081");
 209    object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem),
 210                             &error_fatal);
 211    busdev = SYS_BUS_DEVICE(dev);
 212    sysbus_realize_and_unref(busdev, &error_fatal);
 213    sysbus_mmio_map(busdev, 0, 0x10030000);
 214    sysbus_connect_irq(busdev, 0, pic[24]);
 215
 216    sysbus_create_simple("sp804", 0x10011000, pic[4]);
 217    sysbus_create_simple("sp804", 0x10012000, pic[5]);
 218
 219    sysbus_create_simple("pl061", 0x10013000, pic[6]);
 220    sysbus_create_simple("pl061", 0x10014000, pic[7]);
 221    gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
 222
 223    sysbus_create_simple("pl111", 0x10020000, pic[23]);
 224
 225    dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
 226    /* Wire up MMC card detect and read-only signals. These have
 227     * to go to both the PL061 GPIO and the sysctl register.
 228     * Note that the PL181 orders these lines (readonly,inserted)
 229     * and the PL061 has them the other way about. Also the card
 230     * detect line is inverted.
 231     */
 232    mmc_irq[0] = qemu_irq_split(
 233        qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
 234        qdev_get_gpio_in(gpio2, 1));
 235    mmc_irq[1] = qemu_irq_split(
 236        qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
 237        qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
 238    qdev_connect_gpio_out_named(dev, "card-read-only", 0, mmc_irq[0]);
 239    qdev_connect_gpio_out_named(dev, "card-inserted", 0, mmc_irq[1]);
 240    dinfo = drive_get_next(IF_SD);
 241    if (dinfo) {
 242        DeviceState *card;
 243
 244        card = qdev_new(TYPE_SD_CARD);
 245        qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
 246                                &error_fatal);
 247        qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
 248                               &error_fatal);
 249    }
 250
 251    sysbus_create_simple("pl031", 0x10017000, pic[10]);
 252
 253    if (!is_pb) {
 254        dev = qdev_new("realview_pci");
 255        busdev = SYS_BUS_DEVICE(dev);
 256        sysbus_realize_and_unref(busdev, &error_fatal);
 257        sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */
 258        sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */
 259        sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */
 260        sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */
 261        sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */
 262        sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */
 263        sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */
 264        sysbus_connect_irq(busdev, 0, pic[48]);
 265        sysbus_connect_irq(busdev, 1, pic[49]);
 266        sysbus_connect_irq(busdev, 2, pic[50]);
 267        sysbus_connect_irq(busdev, 3, pic[51]);
 268        pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
 269        if (machine_usb(machine)) {
 270            pci_create_simple(pci_bus, -1, "pci-ohci");
 271        }
 272        n = drive_get_max_bus(IF_SCSI);
 273        while (n >= 0) {
 274            dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
 275            lsi53c8xx_handle_legacy_cmdline(dev);
 276            n--;
 277        }
 278    }
 279    for(n = 0; n < nb_nics; n++) {
 280        nd = &nd_table[n];
 281
 282        if (!done_nic && (!nd->model ||
 283                    strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
 284            if (is_pb) {
 285                lan9118_init(nd, 0x4e000000, pic[28]);
 286            } else {
 287                smc91c111_init(nd, 0x4e000000, pic[28]);
 288            }
 289            done_nic = 1;
 290        } else {
 291            if (pci_bus) {
 292                pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL);
 293            }
 294        }
 295    }
 296
 297    dev = sysbus_create_simple(TYPE_VERSATILE_I2C, 0x10002000, NULL);
 298    i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
 299    i2c_slave_create_simple(i2c, "ds1338", 0x68);
 300
 301    /* Memory map for RealView Emulation Baseboard:  */
 302    /* 0x10000000 System registers.  */
 303    /*  0x10001000 System controller.  */
 304    /* 0x10002000 Two-Wire Serial Bus.  */
 305    /* 0x10003000 Reserved.  */
 306    /*  0x10004000 AACI.  */
 307    /*  0x10005000 MCI.  */
 308    /* 0x10006000 KMI0.  */
 309    /* 0x10007000 KMI1.  */
 310    /*  0x10008000 Character LCD. (EB) */
 311    /* 0x10009000 UART0.  */
 312    /* 0x1000a000 UART1.  */
 313    /* 0x1000b000 UART2.  */
 314    /* 0x1000c000 UART3.  */
 315    /*  0x1000d000 SSPI.  */
 316    /*  0x1000e000 SCI.  */
 317    /* 0x1000f000 Reserved.  */
 318    /*  0x10010000 Watchdog.  */
 319    /* 0x10011000 Timer 0+1.  */
 320    /* 0x10012000 Timer 2+3.  */
 321    /*  0x10013000 GPIO 0.  */
 322    /*  0x10014000 GPIO 1.  */
 323    /*  0x10015000 GPIO 2.  */
 324    /*  0x10002000 Two-Wire Serial Bus - DVI. (PB) */
 325    /* 0x10017000 RTC.  */
 326    /*  0x10018000 DMC.  */
 327    /*  0x10019000 PCI controller config.  */
 328    /*  0x10020000 CLCD.  */
 329    /* 0x10030000 DMA Controller.  */
 330    /* 0x10040000 GIC1. (EB) */
 331    /*  0x10050000 GIC2. (EB) */
 332    /*  0x10060000 GIC3. (EB) */
 333    /*  0x10070000 GIC4. (EB) */
 334    /*  0x10080000 SMC.  */
 335    /* 0x1e000000 GIC1. (PB) */
 336    /*  0x1e001000 GIC2. (PB) */
 337    /*  0x1e002000 GIC3. (PB) */
 338    /*  0x1e003000 GIC4. (PB) */
 339    /*  0x40000000 NOR flash.  */
 340    /*  0x44000000 DoC flash.  */
 341    /*  0x48000000 SRAM.  */
 342    /*  0x4c000000 Configuration flash.  */
 343    /* 0x4e000000 Ethernet.  */
 344    /*  0x4f000000 USB.  */
 345    /*  0x50000000 PISMO.  */
 346    /*  0x54000000 PISMO.  */
 347    /*  0x58000000 PISMO.  */
 348    /*  0x5c000000 PISMO.  */
 349    /* 0x60000000 PCI.  */
 350    /* 0x60000000 PCI Self Config.  */
 351    /* 0x61000000 PCI Config.  */
 352    /* 0x62000000 PCI IO.  */
 353    /* 0x63000000 PCI mem 0.  */
 354    /* 0x64000000 PCI mem 1.  */
 355    /* 0x68000000 PCI mem 2.  */
 356
 357    /* ??? Hack to map an additional page of ram for the secondary CPU
 358       startup code.  I guess this works on real hardware because the
 359       BootROM happens to be in ROM/flash or in memory that isn't clobbered
 360       until after Linux boots the secondary CPUs.  */
 361    memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000,
 362                           &error_fatal);
 363    memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
 364
 365    realview_binfo.ram_size = ram_size;
 366    realview_binfo.nb_cpus = smp_cpus;
 367    realview_binfo.board_id = realview_board_id[board_type];
 368    realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
 369    arm_load_kernel(ARM_CPU(first_cpu), machine, &realview_binfo);
 370}
 371
 372static void realview_eb_init(MachineState *machine)
 373{
 374    realview_init(machine, BOARD_EB);
 375}
 376
 377static void realview_eb_mpcore_init(MachineState *machine)
 378{
 379    realview_init(machine, BOARD_EB_MPCORE);
 380}
 381
 382static void realview_pb_a8_init(MachineState *machine)
 383{
 384    realview_init(machine, BOARD_PB_A8);
 385}
 386
 387static void realview_pbx_a9_init(MachineState *machine)
 388{
 389    realview_init(machine, BOARD_PBX_A9);
 390}
 391
 392static void realview_eb_class_init(ObjectClass *oc, void *data)
 393{
 394    MachineClass *mc = MACHINE_CLASS(oc);
 395
 396    mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
 397    mc->init = realview_eb_init;
 398    mc->block_default_type = IF_SCSI;
 399    mc->ignore_memory_transaction_failures = true;
 400    mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
 401}
 402
 403static const TypeInfo realview_eb_type = {
 404    .name = MACHINE_TYPE_NAME("realview-eb"),
 405    .parent = TYPE_MACHINE,
 406    .class_init = realview_eb_class_init,
 407};
 408
 409static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
 410{
 411    MachineClass *mc = MACHINE_CLASS(oc);
 412
 413    mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
 414    mc->init = realview_eb_mpcore_init;
 415    mc->block_default_type = IF_SCSI;
 416    mc->max_cpus = 4;
 417    mc->ignore_memory_transaction_failures = true;
 418    mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
 419}
 420
 421static const TypeInfo realview_eb_mpcore_type = {
 422    .name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
 423    .parent = TYPE_MACHINE,
 424    .class_init = realview_eb_mpcore_class_init,
 425};
 426
 427static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
 428{
 429    MachineClass *mc = MACHINE_CLASS(oc);
 430
 431    mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
 432    mc->init = realview_pb_a8_init;
 433    mc->ignore_memory_transaction_failures = true;
 434    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
 435}
 436
 437static const TypeInfo realview_pb_a8_type = {
 438    .name = MACHINE_TYPE_NAME("realview-pb-a8"),
 439    .parent = TYPE_MACHINE,
 440    .class_init = realview_pb_a8_class_init,
 441};
 442
 443static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
 444{
 445    MachineClass *mc = MACHINE_CLASS(oc);
 446
 447    mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
 448    mc->init = realview_pbx_a9_init;
 449    mc->max_cpus = 4;
 450    mc->ignore_memory_transaction_failures = true;
 451    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
 452}
 453
 454static const TypeInfo realview_pbx_a9_type = {
 455    .name = MACHINE_TYPE_NAME("realview-pbx-a9"),
 456    .parent = TYPE_MACHINE,
 457    .class_init = realview_pbx_a9_class_init,
 458};
 459
 460static void realview_machine_init(void)
 461{
 462    type_register_static(&realview_eb_type);
 463    type_register_static(&realview_eb_mpcore_type);
 464    type_register_static(&realview_pb_a8_type);
 465    type_register_static(&realview_pbx_a9_type);
 466}
 467
 468type_init(realview_machine_init)
 469