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
  35 static 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.  */
  41 enum realview_board_type {
  42     BOARD_EB,
  43     BOARD_EB_MPCORE,
  44     BOARD_PB_A8,
  45     BOARD_PBX_A9,
  46 };
  47
  48 static const int realview_board_id[] = {
  49     0x33b,
  50     0x33b,
  51     0x769,
  52     0x76d
  53 };
  54
  55 static 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
 355 static void realview_eb_init(MachineState *machine)
 356 {
 357     realview_init(machine, BOARD_EB);
 358 }
 359
 360 static void realview_eb_mpcore_init(MachineState *machine)
 361 {
 362     realview_init(machine, BOARD_EB_MPCORE);
 363 }
 364
 365 static void realview_pb_a8_init(MachineState *machine)
 366 {
 367     realview_init(machine, BOARD_PB_A8);
 368 }
 369
 370 static void realview_pbx_a9_init(MachineState *machine)
 371 {
 372     realview_init(machine, BOARD_PBX_A9);
 373 }
 374
 375 static 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
 386 static 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
 392 static 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
 404 static 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
 410 static 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
 420 static 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
 426 static 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
 437 static 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
 443 static 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
 451 type_init(realview_machine_init)