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 "exec/address-spaces.h" 24 #include "qemu/error-report.h" 25 #include "hw/char/pl011.h" 26 #include "hw/cpu/a9mpcore.h" 27 #include "hw/intc/realview_gic.h" 28 29 #define SMP_BOOT_ADDR 0xe0000000 30 #define SMP_BOOTREG_ADDR 0x10000030 31 32 /* Board init. */ 33 34 static struct arm_boot_info realview_binfo = { 35 .smp_loader_start = SMP_BOOT_ADDR, 36 .smp_bootreg_addr = SMP_BOOTREG_ADDR, 37 }; 38 39 /* The following two lists must be consistent. */ 40 enum realview_board_type { 41 BOARD_EB, 42 BOARD_EB_MPCORE, 43 BOARD_PB_A8, 44 BOARD_PBX_A9, 45 }; 46 47 static const int realview_board_id[] = { 48 0x33b, 49 0x33b, 50 0x769, 51 0x76d 52 }; 53 54 static void realview_init(MachineState *machine, 55 enum realview_board_type board_type) 56 { 57 ARMCPU *cpu = NULL; 58 CPUARMState *env; 59 MemoryRegion *sysmem = get_system_memory(); 60 MemoryRegion *ram_lo; 61 MemoryRegion *ram_hi = g_new(MemoryRegion, 1); 62 MemoryRegion *ram_alias = g_new(MemoryRegion, 1); 63 MemoryRegion *ram_hack = g_new(MemoryRegion, 1); 64 DeviceState *dev, *sysctl, *gpio2, *pl041; 65 SysBusDevice *busdev; 66 qemu_irq pic[64]; 67 qemu_irq mmc_irq[2]; 68 PCIBus *pci_bus = NULL; 69 NICInfo *nd; 70 I2CBus *i2c; 71 int n; 72 int done_nic = 0; 73 qemu_irq cpu_irq[4]; 74 int is_mpcore = 0; 75 int is_pb = 0; 76 uint32_t proc_id = 0; 77 uint32_t sys_id; 78 ram_addr_t low_ram_size; 79 ram_addr_t ram_size = machine->ram_size; 80 hwaddr periphbase = 0; 81 82 switch (board_type) { 83 case BOARD_EB: 84 break; 85 case BOARD_EB_MPCORE: 86 is_mpcore = 1; 87 periphbase = 0x10100000; 88 break; 89 case BOARD_PB_A8: 90 is_pb = 1; 91 break; 92 case BOARD_PBX_A9: 93 is_mpcore = 1; 94 is_pb = 1; 95 periphbase = 0x1f000000; 96 break; 97 } 98 99 for (n = 0; n < smp_cpus; n++) { 100 Object *cpuobj = object_new(machine->cpu_type); 101 102 /* By default A9,A15 and ARM1176 CPUs have EL3 enabled. This board 103 * does not currently support EL3 so the CPU EL3 property is disabled 104 * before realization. 105 */ 106 if (object_property_find(cpuobj, "has_el3", NULL)) { 107 object_property_set_bool(cpuobj, false, "has_el3", &error_fatal); 108 } 109 110 if (is_pb && is_mpcore) { 111 object_property_set_int(cpuobj, periphbase, "reset-cbar", 112 &error_fatal); 113 } 114 115 object_property_set_bool(cpuobj, true, "realized", &error_fatal); 116 117 cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ); 118 } 119 cpu = ARM_CPU(first_cpu); 120 env = &cpu->env; 121 if (arm_feature(env, ARM_FEATURE_V7)) { 122 if (is_mpcore) { 123 proc_id = 0x0c000000; 124 } else { 125 proc_id = 0x0e000000; 126 } 127 } else if (arm_feature(env, ARM_FEATURE_V6K)) { 128 proc_id = 0x06000000; 129 } else if (arm_feature(env, ARM_FEATURE_V6)) { 130 proc_id = 0x04000000; 131 } else { 132 proc_id = 0x02000000; 133 } 134 135 if (is_pb && ram_size > 0x20000000) { 136 /* Core tile RAM. */ 137 ram_lo = g_new(MemoryRegion, 1); 138 low_ram_size = ram_size - 0x20000000; 139 ram_size = 0x20000000; 140 memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size, 141 &error_fatal); 142 memory_region_add_subregion(sysmem, 0x20000000, ram_lo); 143 } 144 145 memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size, 146 &error_fatal); 147 low_ram_size = ram_size; 148 if (low_ram_size > 0x10000000) 149 low_ram_size = 0x10000000; 150 /* SDRAM at address zero. */ 151 memory_region_init_alias(ram_alias, NULL, "realview.alias", 152 ram_hi, 0, low_ram_size); 153 memory_region_add_subregion(sysmem, 0, ram_alias); 154 if (is_pb) { 155 /* And again at a high address. */ 156 memory_region_add_subregion(sysmem, 0x70000000, ram_hi); 157 } else { 158 ram_size = low_ram_size; 159 } 160 161 sys_id = is_pb ? 0x01780500 : 0xc1400400; 162 sysctl = qdev_create(NULL, "realview_sysctl"); 163 qdev_prop_set_uint32(sysctl, "sys_id", sys_id); 164 qdev_prop_set_uint32(sysctl, "proc_id", proc_id); 165 qdev_init_nofail(sysctl); 166 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000); 167 168 if (is_mpcore) { 169 dev = qdev_create(NULL, is_pb ? TYPE_A9MPCORE_PRIV : "realview_mpcore"); 170 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 171 qdev_init_nofail(dev); 172 busdev = SYS_BUS_DEVICE(dev); 173 sysbus_mmio_map(busdev, 0, periphbase); 174 for (n = 0; n < smp_cpus; n++) { 175 sysbus_connect_irq(busdev, n, cpu_irq[n]); 176 } 177 sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL); 178 /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */ 179 realview_binfo.gic_cpu_if_addr = periphbase + 0x100; 180 } else { 181 uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000; 182 /* For now just create the nIRQ GIC, and ignore the others. */ 183 dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]); 184 } 185 for (n = 0; n < 64; n++) { 186 pic[n] = qdev_get_gpio_in(dev, n); 187 } 188 189 pl041 = qdev_create(NULL, "pl041"); 190 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); 191 qdev_init_nofail(pl041); 192 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000); 193 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]); 194 195 sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]); 196 sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]); 197 198 pl011_create(0x10009000, pic[12], serial_hd(0)); 199 pl011_create(0x1000a000, pic[13], serial_hd(1)); 200 pl011_create(0x1000b000, pic[14], serial_hd(2)); 201 pl011_create(0x1000c000, pic[15], serial_hd(3)); 202 203 /* DMA controller is optional, apparently. */ 204 dev = qdev_create(NULL, "pl081"); 205 object_property_set_link(OBJECT(dev), OBJECT(sysmem), "downstream", 206 &error_fatal); 207 qdev_init_nofail(dev); 208 busdev = SYS_BUS_DEVICE(dev); 209 sysbus_mmio_map(busdev, 0, 0x10030000); 210 sysbus_connect_irq(busdev, 0, pic[24]); 211 212 sysbus_create_simple("sp804", 0x10011000, pic[4]); 213 sysbus_create_simple("sp804", 0x10012000, pic[5]); 214 215 sysbus_create_simple("pl061", 0x10013000, pic[6]); 216 sysbus_create_simple("pl061", 0x10014000, pic[7]); 217 gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]); 218 219 sysbus_create_simple("pl111", 0x10020000, pic[23]); 220 221 dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL); 222 /* Wire up MMC card detect and read-only signals. These have 223 * to go to both the PL061 GPIO and the sysctl register. 224 * Note that the PL181 orders these lines (readonly,inserted) 225 * and the PL061 has them the other way about. Also the card 226 * detect line is inverted. 227 */ 228 mmc_irq[0] = qemu_irq_split( 229 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT), 230 qdev_get_gpio_in(gpio2, 1)); 231 mmc_irq[1] = qemu_irq_split( 232 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN), 233 qemu_irq_invert(qdev_get_gpio_in(gpio2, 0))); 234 qdev_connect_gpio_out(dev, 0, mmc_irq[0]); 235 qdev_connect_gpio_out(dev, 1, mmc_irq[1]); 236 237 sysbus_create_simple("pl031", 0x10017000, pic[10]); 238 239 if (!is_pb) { 240 dev = qdev_create(NULL, "realview_pci"); 241 busdev = SYS_BUS_DEVICE(dev); 242 qdev_init_nofail(dev); 243 sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */ 244 sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */ 245 sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */ 246 sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */ 247 sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */ 248 sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */ 249 sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */ 250 sysbus_connect_irq(busdev, 0, pic[48]); 251 sysbus_connect_irq(busdev, 1, pic[49]); 252 sysbus_connect_irq(busdev, 2, pic[50]); 253 sysbus_connect_irq(busdev, 3, pic[51]); 254 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); 255 if (machine_usb(machine)) { 256 pci_create_simple(pci_bus, -1, "pci-ohci"); 257 } 258 n = drive_get_max_bus(IF_SCSI); 259 while (n >= 0) { 260 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a")); 261 lsi53c8xx_handle_legacy_cmdline(dev); 262 n--; 263 } 264 } 265 for(n = 0; n < nb_nics; n++) { 266 nd = &nd_table[n]; 267 268 if (!done_nic && (!nd->model || 269 strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) { 270 if (is_pb) { 271 lan9118_init(nd, 0x4e000000, pic[28]); 272 } else { 273 smc91c111_init(nd, 0x4e000000, pic[28]); 274 } 275 done_nic = 1; 276 } else { 277 if (pci_bus) { 278 pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL); 279 } 280 } 281 } 282 283 dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); 284 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); 285 i2c_create_slave(i2c, "ds1338", 0x68); 286 287 /* Memory map for RealView Emulation Baseboard: */ 288 /* 0x10000000 System registers. */ 289 /* 0x10001000 System controller. */ 290 /* 0x10002000 Two-Wire Serial Bus. */ 291 /* 0x10003000 Reserved. */ 292 /* 0x10004000 AACI. */ 293 /* 0x10005000 MCI. */ 294 /* 0x10006000 KMI0. */ 295 /* 0x10007000 KMI1. */ 296 /* 0x10008000 Character LCD. (EB) */ 297 /* 0x10009000 UART0. */ 298 /* 0x1000a000 UART1. */ 299 /* 0x1000b000 UART2. */ 300 /* 0x1000c000 UART3. */ 301 /* 0x1000d000 SSPI. */ 302 /* 0x1000e000 SCI. */ 303 /* 0x1000f000 Reserved. */ 304 /* 0x10010000 Watchdog. */ 305 /* 0x10011000 Timer 0+1. */ 306 /* 0x10012000 Timer 2+3. */ 307 /* 0x10013000 GPIO 0. */ 308 /* 0x10014000 GPIO 1. */ 309 /* 0x10015000 GPIO 2. */ 310 /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */ 311 /* 0x10017000 RTC. */ 312 /* 0x10018000 DMC. */ 313 /* 0x10019000 PCI controller config. */ 314 /* 0x10020000 CLCD. */ 315 /* 0x10030000 DMA Controller. */ 316 /* 0x10040000 GIC1. (EB) */ 317 /* 0x10050000 GIC2. (EB) */ 318 /* 0x10060000 GIC3. (EB) */ 319 /* 0x10070000 GIC4. (EB) */ 320 /* 0x10080000 SMC. */ 321 /* 0x1e000000 GIC1. (PB) */ 322 /* 0x1e001000 GIC2. (PB) */ 323 /* 0x1e002000 GIC3. (PB) */ 324 /* 0x1e003000 GIC4. (PB) */ 325 /* 0x40000000 NOR flash. */ 326 /* 0x44000000 DoC flash. */ 327 /* 0x48000000 SRAM. */ 328 /* 0x4c000000 Configuration flash. */ 329 /* 0x4e000000 Ethernet. */ 330 /* 0x4f000000 USB. */ 331 /* 0x50000000 PISMO. */ 332 /* 0x54000000 PISMO. */ 333 /* 0x58000000 PISMO. */ 334 /* 0x5c000000 PISMO. */ 335 /* 0x60000000 PCI. */ 336 /* 0x60000000 PCI Self Config. */ 337 /* 0x61000000 PCI Config. */ 338 /* 0x62000000 PCI IO. */ 339 /* 0x63000000 PCI mem 0. */ 340 /* 0x64000000 PCI mem 1. */ 341 /* 0x68000000 PCI mem 2. */ 342 343 /* ??? Hack to map an additional page of ram for the secondary CPU 344 startup code. I guess this works on real hardware because the 345 BootROM happens to be in ROM/flash or in memory that isn't clobbered 346 until after Linux boots the secondary CPUs. */ 347 memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000, 348 &error_fatal); 349 memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack); 350 351 realview_binfo.ram_size = ram_size; 352 realview_binfo.kernel_filename = machine->kernel_filename; 353 realview_binfo.kernel_cmdline = machine->kernel_cmdline; 354 realview_binfo.initrd_filename = machine->initrd_filename; 355 realview_binfo.nb_cpus = smp_cpus; 356 realview_binfo.board_id = realview_board_id[board_type]; 357 realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0); 358 arm_load_kernel(ARM_CPU(first_cpu), &realview_binfo); 359 } 360 361 static void realview_eb_init(MachineState *machine) 362 { 363 realview_init(machine, BOARD_EB); 364 } 365 366 static void realview_eb_mpcore_init(MachineState *machine) 367 { 368 realview_init(machine, BOARD_EB_MPCORE); 369 } 370 371 static void realview_pb_a8_init(MachineState *machine) 372 { 373 realview_init(machine, BOARD_PB_A8); 374 } 375 376 static void realview_pbx_a9_init(MachineState *machine) 377 { 378 realview_init(machine, BOARD_PBX_A9); 379 } 380 381 static void realview_eb_class_init(ObjectClass *oc, void *data) 382 { 383 MachineClass *mc = MACHINE_CLASS(oc); 384 385 mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)"; 386 mc->init = realview_eb_init; 387 mc->block_default_type = IF_SCSI; 388 mc->ignore_memory_transaction_failures = true; 389 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926"); 390 } 391 392 static const TypeInfo realview_eb_type = { 393 .name = MACHINE_TYPE_NAME("realview-eb"), 394 .parent = TYPE_MACHINE, 395 .class_init = realview_eb_class_init, 396 }; 397 398 static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data) 399 { 400 MachineClass *mc = MACHINE_CLASS(oc); 401 402 mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)"; 403 mc->init = realview_eb_mpcore_init; 404 mc->block_default_type = IF_SCSI; 405 mc->max_cpus = 4; 406 mc->ignore_memory_transaction_failures = true; 407 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore"); 408 } 409 410 static const TypeInfo realview_eb_mpcore_type = { 411 .name = MACHINE_TYPE_NAME("realview-eb-mpcore"), 412 .parent = TYPE_MACHINE, 413 .class_init = realview_eb_mpcore_class_init, 414 }; 415 416 static void realview_pb_a8_class_init(ObjectClass *oc, void *data) 417 { 418 MachineClass *mc = MACHINE_CLASS(oc); 419 420 mc->desc = "ARM RealView Platform Baseboard for Cortex-A8"; 421 mc->init = realview_pb_a8_init; 422 mc->ignore_memory_transaction_failures = true; 423 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8"); 424 } 425 426 static const TypeInfo realview_pb_a8_type = { 427 .name = MACHINE_TYPE_NAME("realview-pb-a8"), 428 .parent = TYPE_MACHINE, 429 .class_init = realview_pb_a8_class_init, 430 }; 431 432 static void realview_pbx_a9_class_init(ObjectClass *oc, void *data) 433 { 434 MachineClass *mc = MACHINE_CLASS(oc); 435 436 mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9"; 437 mc->init = realview_pbx_a9_init; 438 mc->max_cpus = 4; 439 mc->ignore_memory_transaction_failures = true; 440 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); 441 } 442 443 static const TypeInfo realview_pbx_a9_type = { 444 .name = MACHINE_TYPE_NAME("realview-pbx-a9"), 445 .parent = TYPE_MACHINE, 446 .class_init = realview_pbx_a9_class_init, 447 }; 448 449 static void realview_machine_init(void) 450 { 451 type_register_static(&realview_eb_type); 452 type_register_static(&realview_eb_mpcore_type); 453 type_register_static(&realview_pb_a8_type); 454 type_register_static(&realview_pbx_a9_type); 455 } 456 457 type_init(realview_machine_init) 458