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 "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
  36 static 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.  */
  42 enum realview_board_type {
  43     BOARD_EB,
  44     BOARD_EB_MPCORE,
  45     BOARD_PB_A8,
  46     BOARD_PBX_A9,
  47 };
  48
  49 static const int realview_board_id[] = {
  50     0x33b,
  51     0x33b,
  52     0x769,
  53     0x76d
  54 };
  55
  56 static 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(IF_SD, 0, 0);
 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.board_id = realview_board_id[board_type];
 367     realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
 368     arm_load_kernel(ARM_CPU(first_cpu), machine, &realview_binfo);
 369 }
 370
 371 static void realview_eb_init(MachineState *machine)
 372 {
 373     realview_init(machine, BOARD_EB);
 374 }
 375
 376 static void realview_eb_mpcore_init(MachineState *machine)
 377 {
 378     realview_init(machine, BOARD_EB_MPCORE);
 379 }
 380
 381 static void realview_pb_a8_init(MachineState *machine)
 382 {
 383     realview_init(machine, BOARD_PB_A8);
 384 }
 385
 386 static void realview_pbx_a9_init(MachineState *machine)
 387 {
 388     realview_init(machine, BOARD_PBX_A9);
 389 }
 390
 391 static void realview_eb_class_init(ObjectClass *oc, void *data)
 392 {
 393     MachineClass *mc = MACHINE_CLASS(oc);
 394
 395     mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
 396     mc->init = realview_eb_init;
 397     mc->block_default_type = IF_SCSI;
 398     mc->ignore_memory_transaction_failures = true;
 399     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
 400 }
 401
 402 static const TypeInfo realview_eb_type = {
 403     .name = MACHINE_TYPE_NAME("realview-eb"),
 404     .parent = TYPE_MACHINE,
 405     .class_init = realview_eb_class_init,
 406 };
 407
 408 static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
 409 {
 410     MachineClass *mc = MACHINE_CLASS(oc);
 411
 412     mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
 413     mc->init = realview_eb_mpcore_init;
 414     mc->block_default_type = IF_SCSI;
 415     mc->max_cpus = 4;
 416     mc->ignore_memory_transaction_failures = true;
 417     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
 418 }
 419
 420 static const TypeInfo realview_eb_mpcore_type = {
 421     .name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
 422     .parent = TYPE_MACHINE,
 423     .class_init = realview_eb_mpcore_class_init,
 424 };
 425
 426 static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
 427 {
 428     MachineClass *mc = MACHINE_CLASS(oc);
 429
 430     mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
 431     mc->init = realview_pb_a8_init;
 432     mc->ignore_memory_transaction_failures = true;
 433     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
 434 }
 435
 436 static const TypeInfo realview_pb_a8_type = {
 437     .name = MACHINE_TYPE_NAME("realview-pb-a8"),
 438     .parent = TYPE_MACHINE,
 439     .class_init = realview_pb_a8_class_init,
 440 };
 441
 442 static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
 443 {
 444     MachineClass *mc = MACHINE_CLASS(oc);
 445
 446     mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
 447     mc->init = realview_pbx_a9_init;
 448     mc->max_cpus = 4;
 449     mc->ignore_memory_transaction_failures = true;
 450     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
 451 }
 452
 453 static const TypeInfo realview_pbx_a9_type = {
 454     .name = MACHINE_TYPE_NAME("realview-pbx-a9"),
 455     .parent = TYPE_MACHINE,
 456     .class_init = realview_pbx_a9_class_init,
 457 };
 458
 459 static void realview_machine_init(void)
 460 {
 461     type_register_static(&realview_eb_type);
 462     type_register_static(&realview_eb_mpcore_type);
 463     type_register_static(&realview_pb_a8_type);
 464     type_register_static(&realview_pbx_a9_type);
 465 }
 466
 467 type_init(realview_machine_init)