hw/arm/versatilepb.c

   1 /*
   2  * ARM Versatile Platform/Application Baseboard System emulation.
   3  *
   4  * Copyright (c) 2005-2007 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 "migration/vmstate.h"
  15 #include "hw/arm/boot.h"
  16 #include "hw/net/smc91c111.h"
  17 #include "net/net.h"
  18 #include "sysemu/sysemu.h"
  19 #include "hw/pci/pci.h"
  20 #include "hw/i2c/i2c.h"
  21 #include "hw/i2c/arm_sbcon_i2c.h"
  22 #include "hw/irq.h"
  23 #include "hw/boards.h"
  24 #include "exec/address-spaces.h"
  25 #include "hw/block/flash.h"
  26 #include "qemu/error-report.h"
  27 #include "hw/char/pl011.h"
  28
  29 #define VERSATILE_FLASH_ADDR 0x34000000
  30 #define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
  31 #define VERSATILE_FLASH_SECT_SIZE (256 * 1024)
  32
  33 /* Primary interrupt controller.  */
  34
  35 #define TYPE_VERSATILE_PB_SIC "versatilepb_sic"
  36 #define VERSATILE_PB_SIC(obj) \
  37     OBJECT_CHECK(vpb_sic_state, (obj), TYPE_VERSATILE_PB_SIC)
  38
  39 typedef struct vpb_sic_state {
  40     SysBusDevice parent_obj;
  41
  42     MemoryRegion iomem;
  43     uint32_t level;
  44     uint32_t mask;
  45     uint32_t pic_enable;
  46     qemu_irq parent[32];
  47     int irq;
  48 } vpb_sic_state;
  49
  50 static const VMStateDescription vmstate_vpb_sic = {
  51     .name = "versatilepb_sic",
  52     .version_id = 1,
  53     .minimum_version_id = 1,
  54     .fields = (VMStateField[]) {
  55         VMSTATE_UINT32(level, vpb_sic_state),
  56         VMSTATE_UINT32(mask, vpb_sic_state),
  57         VMSTATE_UINT32(pic_enable, vpb_sic_state),
  58         VMSTATE_END_OF_LIST()
  59     }
  60 };
  61
  62 static void vpb_sic_update(vpb_sic_state *s)
  63 {
  64     uint32_t flags;
  65
  66     flags = s->level & s->mask;
  67     qemu_set_irq(s->parent[s->irq], flags != 0);
  68 }
  69
  70 static void vpb_sic_update_pic(vpb_sic_state *s)
  71 {
  72     int i;
  73     uint32_t mask;
  74
  75     for (i = 21; i <= 30; i++) {
  76         mask = 1u << i;
  77         if (!(s->pic_enable & mask))
  78             continue;
  79         qemu_set_irq(s->parent[i], (s->level & mask) != 0);
  80     }
  81 }
  82
  83 static void vpb_sic_set_irq(void *opaque, int irq, int level)
  84 {
  85     vpb_sic_state *s = (vpb_sic_state *)opaque;
  86     if (level)
  87         s->level |= 1u << irq;
  88     else
  89         s->level &= ~(1u << irq);
  90     if (s->pic_enable & (1u << irq))
  91         qemu_set_irq(s->parent[irq], level);
  92     vpb_sic_update(s);
  93 }
  94
  95 static uint64_t vpb_sic_read(void *opaque, hwaddr offset,
  96                              unsigned size)
  97 {
  98     vpb_sic_state *s = (vpb_sic_state *)opaque;
  99
 100     switch (offset >> 2) {
 101     case 0: /* STATUS */
 102         return s->level & s->mask;
 103     case 1: /* RAWSTAT */
 104         return s->level;
 105     case 2: /* ENABLE */
 106         return s->mask;
 107     case 4: /* SOFTINT */
 108         return s->level & 1;
 109     case 8: /* PICENABLE */
 110         return s->pic_enable;
 111     default:
 112         printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
 113         return 0;
 114     }
 115 }
 116
 117 static void vpb_sic_write(void *opaque, hwaddr offset,
 118                           uint64_t value, unsigned size)
 119 {
 120     vpb_sic_state *s = (vpb_sic_state *)opaque;
 121
 122     switch (offset >> 2) {
 123     case 2: /* ENSET */
 124         s->mask |= value;
 125         break;
 126     case 3: /* ENCLR */
 127         s->mask &= ~value;
 128         break;
 129     case 4: /* SOFTINTSET */
 130         if (value)
 131             s->mask |= 1;
 132         break;
 133     case 5: /* SOFTINTCLR */
 134         if (value)
 135             s->mask &= ~1u;
 136         break;
 137     case 8: /* PICENSET */
 138         s->pic_enable |= (value & 0x7fe00000);
 139         vpb_sic_update_pic(s);
 140         break;
 141     case 9: /* PICENCLR */
 142         s->pic_enable &= ~value;
 143         vpb_sic_update_pic(s);
 144         break;
 145     default:
 146         printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
 147         return;
 148     }
 149     vpb_sic_update(s);
 150 }
 151
 152 static const MemoryRegionOps vpb_sic_ops = {
 153     .read = vpb_sic_read,
 154     .write = vpb_sic_write,
 155     .endianness = DEVICE_NATIVE_ENDIAN,
 156 };
 157
 158 static void vpb_sic_init(Object *obj)
 159 {
 160     DeviceState *dev = DEVICE(obj);
 161     vpb_sic_state *s = VERSATILE_PB_SIC(obj);
 162     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
 163     int i;
 164
 165     qdev_init_gpio_in(dev, vpb_sic_set_irq, 32);
 166     for (i = 0; i < 32; i++) {
 167         sysbus_init_irq(sbd, &s->parent[i]);
 168     }
 169     s->irq = 31;
 170     memory_region_init_io(&s->iomem, obj, &vpb_sic_ops, s,
 171                           "vpb-sic", 0x1000);
 172     sysbus_init_mmio(sbd, &s->iomem);
 173 }
 174
 175 /* Board init.  */
 176
 177 /* The AB and PB boards both use the same core, just with different
 178    peripherals and expansion busses.  For now we emulate a subset of the
 179    PB peripherals and just change the board ID.  */
 180
 181 static struct arm_boot_info versatile_binfo;
 182
 183 static void versatile_init(MachineState *machine, int board_id)
 184 {
 185     Object *cpuobj;
 186     ARMCPU *cpu;
 187     MemoryRegion *sysmem = get_system_memory();
 188     qemu_irq pic[32];
 189     qemu_irq sic[32];
 190     DeviceState *dev, *sysctl;
 191     SysBusDevice *busdev;
 192     DeviceState *pl041;
 193     PCIBus *pci_bus;
 194     NICInfo *nd;
 195     I2CBus *i2c;
 196     int n;
 197     int done_smc = 0;
 198     DriveInfo *dinfo;
 199
 200     if (machine->ram_size > 0x10000000) {
 201         /* Device starting at address 0x10000000,
 202          * and memory cannot overlap with devices.
 203          * Refuse to run rather than behaving very confusingly.
 204          */
 205         error_report("versatilepb: memory size must not exceed 256MB");
 206         exit(1);
 207     }
 208
 209     cpuobj = object_new(machine->cpu_type);
 210
 211     /* By default ARM1176 CPUs have EL3 enabled.  This board does not
 212      * currently support EL3 so the CPU EL3 property is disabled before
 213      * realization.
 214      */
 215     if (object_property_find(cpuobj, "has_el3", NULL)) {
 216         object_property_set_bool(cpuobj, false, "has_el3", &error_fatal);
 217     }
 218
 219     qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
 220
 221     cpu = ARM_CPU(cpuobj);
 222
 223     /* ??? RAM should repeat to fill physical memory space.  */
 224     /* SDRAM at address zero.  */
 225     memory_region_add_subregion(sysmem, 0, machine->ram);
 226
 227     sysctl = qdev_new("realview_sysctl");
 228     qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
 229     qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000);
 230     sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
 231     sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
 232
 233     dev = sysbus_create_varargs("pl190", 0x10140000,
 234                                 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ),
 235                                 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ),
 236                                 NULL);
 237     for (n = 0; n < 32; n++) {
 238         pic[n] = qdev_get_gpio_in(dev, n);
 239     }
 240     dev = sysbus_create_simple(TYPE_VERSATILE_PB_SIC, 0x10003000, NULL);
 241     for (n = 0; n < 32; n++) {
 242         sysbus_connect_irq(SYS_BUS_DEVICE(dev), n, pic[n]);
 243         sic[n] = qdev_get_gpio_in(dev, n);
 244     }
 245
 246     sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
 247     sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
 248
 249     dev = qdev_new("versatile_pci");
 250     busdev = SYS_BUS_DEVICE(dev);
 251     sysbus_realize_and_unref(busdev, &error_fatal);
 252     sysbus_mmio_map(busdev, 0, 0x10001000); /* PCI controller regs */
 253     sysbus_mmio_map(busdev, 1, 0x41000000); /* PCI self-config */
 254     sysbus_mmio_map(busdev, 2, 0x42000000); /* PCI config */
 255     sysbus_mmio_map(busdev, 3, 0x43000000); /* PCI I/O */
 256     sysbus_mmio_map(busdev, 4, 0x44000000); /* PCI memory window 1 */
 257     sysbus_mmio_map(busdev, 5, 0x50000000); /* PCI memory window 2 */
 258     sysbus_mmio_map(busdev, 6, 0x60000000); /* PCI memory window 3 */
 259     sysbus_connect_irq(busdev, 0, sic[27]);
 260     sysbus_connect_irq(busdev, 1, sic[28]);
 261     sysbus_connect_irq(busdev, 2, sic[29]);
 262     sysbus_connect_irq(busdev, 3, sic[30]);
 263     pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
 264
 265     for(n = 0; n < nb_nics; n++) {
 266         nd = &nd_table[n];
 267
 268         if (!done_smc && (!nd->model || strcmp(nd->model, "smc91c111") == 0)) {
 269             smc91c111_init(nd, 0x10010000, sic[25]);
 270             done_smc = 1;
 271         } else {
 272             pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL);
 273         }
 274     }
 275     if (machine_usb(machine)) {
 276         pci_create_simple(pci_bus, -1, "pci-ohci");
 277     }
 278     n = drive_get_max_bus(IF_SCSI);
 279     while (n >= 0) {
 280         dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
 281         lsi53c8xx_handle_legacy_cmdline(dev);
 282         n--;
 283     }
 284
 285     pl011_create(0x101f1000, pic[12], serial_hd(0));
 286     pl011_create(0x101f2000, pic[13], serial_hd(1));
 287     pl011_create(0x101f3000, pic[14], serial_hd(2));
 288     pl011_create(0x10009000, sic[6], serial_hd(3));
 289
 290     dev = qdev_new("pl080");
 291     object_property_set_link(OBJECT(dev), OBJECT(sysmem), "downstream",
 292                              &error_fatal);
 293     busdev = SYS_BUS_DEVICE(dev);
 294     sysbus_realize_and_unref(busdev, &error_fatal);
 295     sysbus_mmio_map(busdev, 0, 0x10130000);
 296     sysbus_connect_irq(busdev, 0, pic[17]);
 297
 298     sysbus_create_simple("sp804", 0x101e2000, pic[4]);
 299     sysbus_create_simple("sp804", 0x101e3000, pic[5]);
 300
 301     sysbus_create_simple("pl061", 0x101e4000, pic[6]);
 302     sysbus_create_simple("pl061", 0x101e5000, pic[7]);
 303     sysbus_create_simple("pl061", 0x101e6000, pic[8]);
 304     sysbus_create_simple("pl061", 0x101e7000, pic[9]);
 305
 306     /* The versatile/PB actually has a modified Color LCD controller
 307        that includes hardware cursor support from the PL111.  */
 308     dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
 309     /* Wire up the mux control signals from the SYS_CLCD register */
 310     qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0));
 311
 312     sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
 313     sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
 314
 315     /* Add PL031 Real Time Clock. */
 316     sysbus_create_simple("pl031", 0x101e8000, pic[10]);
 317
 318     dev = sysbus_create_simple(TYPE_VERSATILE_I2C, 0x10002000, NULL);
 319     i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
 320     i2c_create_slave(i2c, "ds1338", 0x68);
 321
 322     /* Add PL041 AACI Interface to the LM4549 codec */
 323     pl041 = qdev_new("pl041");
 324     qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
 325     sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
 326     sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
 327     sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, sic[24]);
 328
 329     /* Memory map for Versatile/PB:  */
 330     /* 0x10000000 System registers.  */
 331     /* 0x10001000 PCI controller config registers.  */
 332     /* 0x10002000 Serial bus interface.  */
 333     /*  0x10003000 Secondary interrupt controller.  */
 334     /* 0x10004000 AACI (audio).  */
 335     /*  0x10005000 MMCI0.  */
 336     /*  0x10006000 KMI0 (keyboard).  */
 337     /*  0x10007000 KMI1 (mouse).  */
 338     /* 0x10008000 Character LCD Interface.  */
 339     /*  0x10009000 UART3.  */
 340     /* 0x1000a000 Smart card 1.  */
 341     /*  0x1000b000 MMCI1.  */
 342     /*  0x10010000 Ethernet.  */
 343     /* 0x10020000 USB.  */
 344     /* 0x10100000 SSMC.  */
 345     /* 0x10110000 MPMC.  */
 346     /*  0x10120000 CLCD Controller.  */
 347     /*  0x10130000 DMA Controller.  */
 348     /*  0x10140000 Vectored interrupt controller.  */
 349     /* 0x101d0000 AHB Monitor Interface.  */
 350     /* 0x101e0000 System Controller.  */
 351     /* 0x101e1000 Watchdog Interface.  */
 352     /* 0x101e2000 Timer 0/1.  */
 353     /* 0x101e3000 Timer 2/3.  */
 354     /* 0x101e4000 GPIO port 0.  */
 355     /* 0x101e5000 GPIO port 1.  */
 356     /* 0x101e6000 GPIO port 2.  */
 357     /* 0x101e7000 GPIO port 3.  */
 358     /* 0x101e8000 RTC.  */
 359     /* 0x101f0000 Smart card 0.  */
 360     /*  0x101f1000 UART0.  */
 361     /*  0x101f2000 UART1.  */
 362     /*  0x101f3000 UART2.  */
 363     /* 0x101f4000 SSPI.  */
 364     /* 0x34000000 NOR Flash */
 365
 366     dinfo = drive_get(IF_PFLASH, 0, 0);
 367     if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, "versatile.flash",
 368                           VERSATILE_FLASH_SIZE,
 369                           dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
 370                           VERSATILE_FLASH_SECT_SIZE,
 371                           4, 0x0089, 0x0018, 0x0000, 0x0, 0)) {
 372         fprintf(stderr, "qemu: Error registering flash memory.\n");
 373     }
 374
 375     versatile_binfo.ram_size = machine->ram_size;
 376     versatile_binfo.board_id = board_id;
 377     arm_load_kernel(cpu, machine, &versatile_binfo);
 378 }
 379
 380 static void vpb_init(MachineState *machine)
 381 {
 382     versatile_init(machine, 0x183);
 383 }
 384
 385 static void vab_init(MachineState *machine)
 386 {
 387     versatile_init(machine, 0x25e);
 388 }
 389
 390 static void versatilepb_class_init(ObjectClass *oc, void *data)
 391 {
 392     MachineClass *mc = MACHINE_CLASS(oc);
 393
 394     mc->desc = "ARM Versatile/PB (ARM926EJ-S)";
 395     mc->init = vpb_init;
 396     mc->block_default_type = IF_SCSI;
 397     mc->ignore_memory_transaction_failures = true;
 398     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
 399     mc->default_ram_id = "versatile.ram";
 400 }
 401
 402 static const TypeInfo versatilepb_type = {
 403     .name = MACHINE_TYPE_NAME("versatilepb"),
 404     .parent = TYPE_MACHINE,
 405     .class_init = versatilepb_class_init,
 406 };
 407
 408 static void versatileab_class_init(ObjectClass *oc, void *data)
 409 {
 410     MachineClass *mc = MACHINE_CLASS(oc);
 411
 412     mc->desc = "ARM Versatile/AB (ARM926EJ-S)";
 413     mc->init = vab_init;
 414     mc->block_default_type = IF_SCSI;
 415     mc->ignore_memory_transaction_failures = true;
 416     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
 417     mc->default_ram_id = "versatile.ram";
 418 }
 419
 420 static const TypeInfo versatileab_type = {
 421     .name = MACHINE_TYPE_NAME("versatileab"),
 422     .parent = TYPE_MACHINE,
 423     .class_init = versatileab_class_init,
 424 };
 425
 426 static void versatile_machine_init(void)
 427 {
 428     type_register_static(&versatilepb_type);
 429     type_register_static(&versatileab_type);
 430 }
 431
 432 type_init(versatile_machine_init)
 433
 434 static void vpb_sic_class_init(ObjectClass *klass, void *data)
 435 {
 436     DeviceClass *dc = DEVICE_CLASS(klass);
 437
 438     dc->vmsd = &vmstate_vpb_sic;
 439 }
 440
 441 static const TypeInfo vpb_sic_info = {
 442     .name          = TYPE_VERSATILE_PB_SIC,
 443     .parent        = TYPE_SYS_BUS_DEVICE,
 444     .instance_size = sizeof(vpb_sic_state),
 445     .instance_init = vpb_sic_init,
 446     .class_init    = vpb_sic_class_init,
 447 };
 448
 449 static void versatilepb_register_types(void)
 450 {
 451     type_register_static(&vpb_sic_info);
 452 }
 453
 454 type_init(versatilepb_register_types)