LXR qemu/hw/arm/realview.c

   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 "qemu-common.h"
  13#include "cpu.h"
  14#include "hw/sysbus.h"
  15#include "hw/arm/arm.h"
  16#include "hw/arm/primecell.h"
  17#include "hw/devices.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 "sysemu/block-backend.h"
  24#include "exec/address-spaces.h"
  25#include "qemu/error-report.h"
  26#include "hw/char/pl011.h"
  27#include "hw/cpu/a9mpcore.h"
  28#include "hw/intc/realview_gic.h"
  29
  30#define SMP_BOOT_ADDR 0xe0000000
  31#define SMP_BOOTREG_ADDR 0x10000030
  32
  33/* Board init.  */
  34
  35static struct arm_boot_info realview_binfo = {
  36    .smp_loader_start = SMP_BOOT_ADDR,
  37    .smp_bootreg_addr = SMP_BOOTREG_ADDR,
  38};
  39
  40/* The following two lists must be consistent.  */
  41enum realview_board_type {
  42    BOARD_EB,
  43    BOARD_EB_MPCORE,
  44    BOARD_PB_A8,
  45    BOARD_PBX_A9,
  46};
  47
  48static const int realview_board_id[] = {
  49    0x33b,
  50    0x33b,
  51    0x769,
  52    0x76d
  53};
  54
  55static void realview_init(MachineState *machine,
  56                          enum realview_board_type board_type)
  57{
  58    ARMCPU *cpu = NULL;
  59    CPUARMState *env;
  60    MemoryRegion *sysmem = get_system_memory();
  61    MemoryRegion *ram_lo;
  62    MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
  63    MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
  64    MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
  65    DeviceState *dev, *sysctl, *gpio2, *pl041;
  66    SysBusDevice *busdev;
  67    qemu_irq pic[64];
  68    qemu_irq mmc_irq[2];
  69    PCIBus *pci_bus = NULL;
  70    NICInfo *nd;
  71    I2CBus *i2c;
  72    int n;
  73    int done_nic = 0;
  74    qemu_irq cpu_irq[4];
  75    int is_mpcore = 0;
  76    int is_pb = 0;
  77    uint32_t proc_id = 0;
  78    uint32_t sys_id;
  79    ram_addr_t low_ram_size;
  80    ram_addr_t ram_size = machine->ram_size;
  81    hwaddr periphbase = 0;
  82
  83    switch (board_type) {
  84    case BOARD_EB:
  85        break;
  86    case BOARD_EB_MPCORE:
  87        is_mpcore = 1;
  88        periphbase = 0x10100000;
  89        break;
  90    case BOARD_PB_A8:
  91        is_pb = 1;
  92        break;
  93    case BOARD_PBX_A9:
  94        is_mpcore = 1;
  95        is_pb = 1;
  96        periphbase = 0x1f000000;
  97        break;
  98    }
  99
 100    for (n = 0; n < smp_cpus; n++) {
 101        Object *cpuobj = object_new(machine->cpu_type);
 102
 103        /* By default A9,A15 and ARM1176 CPUs have EL3 enabled.  This board
 104         * does not currently support EL3 so the CPU EL3 property is disabled
 105         * before realization.
 106         */
 107        if (object_property_find(cpuobj, "has_el3", NULL)) {
 108            object_property_set_bool(cpuobj, false, "has_el3", &error_fatal);
 109        }
 110
 111        if (is_pb && is_mpcore) {
 112            object_property_set_int(cpuobj, periphbase, "reset-cbar",
 113                                    &error_fatal);
 114        }
 115
 116        object_property_set_bool(cpuobj, true, "realized", &error_fatal);
 117
 118        cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ);
 119    }
 120    cpu = ARM_CPU(first_cpu);
 121    env = &cpu->env;
 122    if (arm_feature(env, ARM_FEATURE_V7)) {
 123        if (is_mpcore) {
 124            proc_id = 0x0c000000;
 125        } else {
 126            proc_id = 0x0e000000;
 127        }
 128    } else if (arm_feature(env, ARM_FEATURE_V6K)) {
 129        proc_id = 0x06000000;
 130    } else if (arm_feature(env, ARM_FEATURE_V6)) {
 131        proc_id = 0x04000000;
 132    } else {
 133        proc_id = 0x02000000;
 134    }
 135
 136    if (is_pb && ram_size > 0x20000000) {
 137        /* Core tile RAM.  */
 138        ram_lo = g_new(MemoryRegion, 1);
 139        low_ram_size = ram_size - 0x20000000;
 140        ram_size = 0x20000000;
 141        memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size,
 142                               &error_fatal);
 143        memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
 144    }
 145
 146    memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size,
 147                           &error_fatal);
 148    low_ram_size = ram_size;
 149    if (low_ram_size > 0x10000000)
 150      low_ram_size = 0x10000000;
 151    /* SDRAM at address zero.  */
 152    memory_region_init_alias(ram_alias, NULL, "realview.alias",
 153                             ram_hi, 0, low_ram_size);
 154    memory_region_add_subregion(sysmem, 0, ram_alias);
 155    if (is_pb) {
 156        /* And again at a high address.  */
 157        memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
 158    } else {
 159        ram_size = low_ram_size;
 160    }
 161
 162    sys_id = is_pb ? 0x01780500 : 0xc1400400;
 163    sysctl = qdev_create(NULL, "realview_sysctl");
 164    qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
 165    qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
 166    qdev_init_nofail(sysctl);
 167    sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
 168
 169    if (is_mpcore) {
 170        dev = qdev_create(NULL, is_pb ? TYPE_A9MPCORE_PRIV : "realview_mpcore");
 171        qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
 172        qdev_init_nofail(dev);
 173        busdev = SYS_BUS_DEVICE(dev);
 174        sysbus_mmio_map(busdev, 0, periphbase);
 175        for (n = 0; n < smp_cpus; n++) {
 176            sysbus_connect_irq(busdev, n, cpu_irq[n]);
 177        }
 178        sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
 179        /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
 180        realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
 181    } else {
 182        uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
 183        /* For now just create the nIRQ GIC, and ignore the others.  */
 184        dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]);
 185    }
 186    for (n = 0; n < 64; n++) {
 187        pic[n] = qdev_get_gpio_in(dev, n);
 188    }
 189
 190    pl041 = qdev_create(NULL, "pl041");
 191    qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
 192    qdev_init_nofail(pl041);
 193    sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
 194    sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
 195
 196    sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
 197    sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
 198
 199    pl011_create(0x10009000, pic[12], serial_hds[0]);
 200    pl011_create(0x1000a000, pic[13], serial_hds[1]);
 201    pl011_create(0x1000b000, pic[14], serial_hds[2]);
 202    pl011_create(0x1000c000, pic[15], serial_hds[3]);
 203
 204    /* DMA controller is optional, apparently.  */
 205    sysbus_create_simple("pl081", 0x10030000, pic[24]);
 206
 207    sysbus_create_simple("sp804", 0x10011000, pic[4]);
 208    sysbus_create_simple("sp804", 0x10012000, pic[5]);
 209
 210    sysbus_create_simple("pl061", 0x10013000, pic[6]);
 211    sysbus_create_simple("pl061", 0x10014000, pic[7]);
 212    gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
 213
 214    sysbus_create_simple("pl111", 0x10020000, pic[23]);
 215
 216    dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
 217    /* Wire up MMC card detect and read-only signals. These have
 218     * to go to both the PL061 GPIO and the sysctl register.
 219     * Note that the PL181 orders these lines (readonly,inserted)
 220     * and the PL061 has them the other way about. Also the card
 221     * detect line is inverted.
 222     */
 223    mmc_irq[0] = qemu_irq_split(
 224        qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
 225        qdev_get_gpio_in(gpio2, 1));
 226    mmc_irq[1] = qemu_irq_split(
 227        qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
 228        qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
 229    qdev_connect_gpio_out(dev, 0, mmc_irq[0]);
 230    qdev_connect_gpio_out(dev, 1, mmc_irq[1]);
 231
 232    sysbus_create_simple("pl031", 0x10017000, pic[10]);
 233
 234    if (!is_pb) {
 235        dev = qdev_create(NULL, "realview_pci");
 236        busdev = SYS_BUS_DEVICE(dev);
 237        qdev_init_nofail(dev);
 238        sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */
 239        sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */
 240        sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */
 241        sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */
 242        sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */
 243        sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */
 244        sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */
 245        sysbus_connect_irq(busdev, 0, pic[48]);
 246        sysbus_connect_irq(busdev, 1, pic[49]);
 247        sysbus_connect_irq(busdev, 2, pic[50]);
 248        sysbus_connect_irq(busdev, 3, pic[51]);
 249        pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
 250        if (machine_usb(machine)) {
 251            pci_create_simple(pci_bus, -1, "pci-ohci");
 252        }
 253        n = drive_get_max_bus(IF_SCSI);
 254        while (n >= 0) {
 255            lsi53c895a_create(pci_bus);
 256            n--;
 257        }
 258    }
 259    for(n = 0; n < nb_nics; n++) {
 260        nd = &nd_table[n];
 261
 262        if (!done_nic && (!nd->model ||
 263                    strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
 264            if (is_pb) {
 265                lan9118_init(nd, 0x4e000000, pic[28]);
 266            } else {
 267                smc91c111_init(nd, 0x4e000000, pic[28]);
 268            }
 269            done_nic = 1;
 270        } else {
 271            if (pci_bus) {
 272                pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL);
 273            }
 274        }
 275    }
 276
 277    dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL);
 278    i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
 279    i2c_create_slave(i2c, "ds1338", 0x68);
 280
 281    /* Memory map for RealView Emulation Baseboard:  */
 282    /* 0x10000000 System registers.  */
 283    /*  0x10001000 System controller.  */
 284    /* 0x10002000 Two-Wire Serial Bus.  */
 285    /* 0x10003000 Reserved.  */
 286    /*  0x10004000 AACI.  */
 287    /*  0x10005000 MCI.  */
 288    /* 0x10006000 KMI0.  */
 289    /* 0x10007000 KMI1.  */
 290    /*  0x10008000 Character LCD. (EB) */
 291    /* 0x10009000 UART0.  */
 292    /* 0x1000a000 UART1.  */
 293    /* 0x1000b000 UART2.  */
 294    /* 0x1000c000 UART3.  */
 295    /*  0x1000d000 SSPI.  */
 296    /*  0x1000e000 SCI.  */
 297    /* 0x1000f000 Reserved.  */
 298    /*  0x10010000 Watchdog.  */
 299    /* 0x10011000 Timer 0+1.  */
 300    /* 0x10012000 Timer 2+3.  */
 301    /*  0x10013000 GPIO 0.  */
 302    /*  0x10014000 GPIO 1.  */
 303    /*  0x10015000 GPIO 2.  */
 304    /*  0x10002000 Two-Wire Serial Bus - DVI. (PB) */
 305    /* 0x10017000 RTC.  */
 306    /*  0x10018000 DMC.  */
 307    /*  0x10019000 PCI controller config.  */
 308    /*  0x10020000 CLCD.  */
 309    /* 0x10030000 DMA Controller.  */
 310    /* 0x10040000 GIC1. (EB) */
 311    /*  0x10050000 GIC2. (EB) */
 312    /*  0x10060000 GIC3. (EB) */
 313    /*  0x10070000 GIC4. (EB) */
 314    /*  0x10080000 SMC.  */
 315    /* 0x1e000000 GIC1. (PB) */
 316    /*  0x1e001000 GIC2. (PB) */
 317    /*  0x1e002000 GIC3. (PB) */
 318    /*  0x1e003000 GIC4. (PB) */
 319    /*  0x40000000 NOR flash.  */
 320    /*  0x44000000 DoC flash.  */
 321    /*  0x48000000 SRAM.  */
 322    /*  0x4c000000 Configuration flash.  */
 323    /* 0x4e000000 Ethernet.  */
 324    /*  0x4f000000 USB.  */
 325    /*  0x50000000 PISMO.  */
 326    /*  0x54000000 PISMO.  */
 327    /*  0x58000000 PISMO.  */
 328    /*  0x5c000000 PISMO.  */
 329    /* 0x60000000 PCI.  */
 330    /* 0x60000000 PCI Self Config.  */
 331    /* 0x61000000 PCI Config.  */
 332    /* 0x62000000 PCI IO.  */
 333    /* 0x63000000 PCI mem 0.  */
 334    /* 0x64000000 PCI mem 1.  */
 335    /* 0x68000000 PCI mem 2.  */
 336
 337    /* ??? Hack to map an additional page of ram for the secondary CPU
 338       startup code.  I guess this works on real hardware because the
 339       BootROM happens to be in ROM/flash or in memory that isn't clobbered
 340       until after Linux boots the secondary CPUs.  */
 341    memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000,
 342                           &error_fatal);
 343    memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
 344
 345    realview_binfo.ram_size = ram_size;
 346    realview_binfo.kernel_filename = machine->kernel_filename;
 347    realview_binfo.kernel_cmdline = machine->kernel_cmdline;
 348    realview_binfo.initrd_filename = machine->initrd_filename;
 349    realview_binfo.nb_cpus = smp_cpus;
 350    realview_binfo.board_id = realview_board_id[board_type];
 351    realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
 352    arm_load_kernel(ARM_CPU(first_cpu), &realview_binfo);
 353}
 354
 355static void realview_eb_init(MachineState *machine)
 356{
 357    realview_init(machine, BOARD_EB);
 358}
 359
 360static void realview_eb_mpcore_init(MachineState *machine)
 361{
 362    realview_init(machine, BOARD_EB_MPCORE);
 363}
 364
 365static void realview_pb_a8_init(MachineState *machine)
 366{
 367    realview_init(machine, BOARD_PB_A8);
 368}
 369
 370static void realview_pbx_a9_init(MachineState *machine)
 371{
 372    realview_init(machine, BOARD_PBX_A9);
 373}
 374
 375static void realview_eb_class_init(ObjectClass *oc, void *data)
 376{
 377    MachineClass *mc = MACHINE_CLASS(oc);
 378
 379    mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
 380    mc->init = realview_eb_init;
 381    mc->block_default_type = IF_SCSI;
 382    mc->ignore_memory_transaction_failures = true;
 383    mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
 384}
 385
 386static const TypeInfo realview_eb_type = {
 387    .name = MACHINE_TYPE_NAME("realview-eb"),
 388    .parent = TYPE_MACHINE,
 389    .class_init = realview_eb_class_init,
 390};
 391
 392static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
 393{
 394    MachineClass *mc = MACHINE_CLASS(oc);
 395
 396    mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
 397    mc->init = realview_eb_mpcore_init;
 398    mc->block_default_type = IF_SCSI;
 399    mc->max_cpus = 4;
 400    mc->ignore_memory_transaction_failures = true;
 401    mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
 402}
 403
 404static const TypeInfo realview_eb_mpcore_type = {
 405    .name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
 406    .parent = TYPE_MACHINE,
 407    .class_init = realview_eb_mpcore_class_init,
 408};
 409
 410static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
 411{
 412    MachineClass *mc = MACHINE_CLASS(oc);
 413
 414    mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
 415    mc->init = realview_pb_a8_init;
 416    mc->ignore_memory_transaction_failures = true;
 417    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
 418}
 419
 420static const TypeInfo realview_pb_a8_type = {
 421    .name = MACHINE_TYPE_NAME("realview-pb-a8"),
 422    .parent = TYPE_MACHINE,
 423    .class_init = realview_pb_a8_class_init,
 424};
 425
 426static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
 427{
 428    MachineClass *mc = MACHINE_CLASS(oc);
 429
 430    mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
 431    mc->init = realview_pbx_a9_init;
 432    mc->max_cpus = 4;
 433    mc->ignore_memory_transaction_failures = true;
 434    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
 435}
 436
 437static const TypeInfo realview_pbx_a9_type = {
 438    .name = MACHINE_TYPE_NAME("realview-pbx-a9"),
 439    .parent = TYPE_MACHINE,
 440    .class_init = realview_pbx_a9_class_init,
 441};
 442
 443static void realview_machine_init(void)
 444{
 445    type_register_static(&realview_eb_type);
 446    type_register_static(&realview_eb_mpcore_type);
 447    type_register_static(&realview_pb_a8_type);
 448    type_register_static(&realview_pbx_a9_type);
 449}
 450
 451type_init(realview_machine_init)
 452