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 "hw/sysbus.h" 11 #include "hw/arm/arm.h" 12 #include "hw/arm/primecell.h" 13 #include "hw/devices.h" 14 #include "hw/pci/pci.h" 15 #include "net/net.h" 16 #include "sysemu/sysemu.h" 17 #include "hw/boards.h" 18 #include "hw/i2c/i2c.h" 19 #include "sysemu/blockdev.h" 20 #include "exec/address-spaces.h" 21 #include "qemu/error-report.h" 22 23 #define SMP_BOOT_ADDR 0xe0000000 24 #define SMP_BOOTREG_ADDR 0x10000030 25 26 /* Board init. */ 27 28 static struct arm_boot_info realview_binfo = { 29 .smp_loader_start = SMP_BOOT_ADDR, 30 .smp_bootreg_addr = SMP_BOOTREG_ADDR, 31 }; 32 33 /* The following two lists must be consistent. */ 34 enum realview_board_type { 35 BOARD_EB, 36 BOARD_EB_MPCORE, 37 BOARD_PB_A8, 38 BOARD_PBX_A9, 39 }; 40 41 static const int realview_board_id[] = { 42 0x33b, 43 0x33b, 44 0x769, 45 0x76d 46 }; 47 48 static void realview_init(QEMUMachineInitArgs *args, 49 enum realview_board_type board_type) 50 { 51 ARMCPU *cpu = NULL; 52 CPUARMState *env; 53 ObjectClass *cpu_oc; 54 MemoryRegion *sysmem = get_system_memory(); 55 MemoryRegion *ram_lo = g_new(MemoryRegion, 1); 56 MemoryRegion *ram_hi = g_new(MemoryRegion, 1); 57 MemoryRegion *ram_alias = g_new(MemoryRegion, 1); 58 MemoryRegion *ram_hack = g_new(MemoryRegion, 1); 59 DeviceState *dev, *sysctl, *gpio2, *pl041; 60 SysBusDevice *busdev; 61 qemu_irq pic[64]; 62 qemu_irq mmc_irq[2]; 63 PCIBus *pci_bus = NULL; 64 NICInfo *nd; 65 I2CBus *i2c; 66 int n; 67 int done_nic = 0; 68 qemu_irq cpu_irq[4]; 69 int is_mpcore = 0; 70 int is_pb = 0; 71 uint32_t proc_id = 0; 72 uint32_t sys_id; 73 ram_addr_t low_ram_size; 74 ram_addr_t ram_size = args->ram_size; 75 hwaddr periphbase = 0; 76 77 switch (board_type) { 78 case BOARD_EB: 79 break; 80 case BOARD_EB_MPCORE: 81 is_mpcore = 1; 82 periphbase = 0x10100000; 83 break; 84 case BOARD_PB_A8: 85 is_pb = 1; 86 break; 87 case BOARD_PBX_A9: 88 is_mpcore = 1; 89 is_pb = 1; 90 periphbase = 0x1f000000; 91 break; 92 } 93 94 cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, args->cpu_model); 95 if (!cpu_oc) { 96 fprintf(stderr, "Unable to find CPU definition\n"); 97 exit(1); 98 } 99 100 for (n = 0; n < smp_cpus; n++) { 101 Object *cpuobj = object_new(object_class_get_name(cpu_oc)); 102 Error *err = NULL; 103 104 if (is_pb && is_mpcore) { 105 object_property_set_int(cpuobj, periphbase, "reset-cbar", &err); 106 if (err) { 107 error_report("%s", error_get_pretty(err)); 108 exit(1); 109 } 110 } 111 112 object_property_set_bool(cpuobj, true, "realized", &err); 113 if (err) { 114 error_report("%s", error_get_pretty(err)); 115 exit(1); 116 } 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 low_ram_size = ram_size - 0x20000000; 139 ram_size = 0x20000000; 140 memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size); 141 vmstate_register_ram_global(ram_lo); 142 memory_region_add_subregion(sysmem, 0x20000000, ram_lo); 143 } 144 145 memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size); 146 vmstate_register_ram_global(ram_hi); 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 ? "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("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 sysbus_create_simple("pl011", 0x10009000, pic[12]); 199 sysbus_create_simple("pl011", 0x1000a000, pic[13]); 200 sysbus_create_simple("pl011", 0x1000b000, pic[14]); 201 sysbus_create_simple("pl011", 0x1000c000, pic[15]); 202 203 /* DMA controller is optional, apparently. */ 204 sysbus_create_simple("pl081", 0x10030000, pic[24]); 205 206 sysbus_create_simple("sp804", 0x10011000, pic[4]); 207 sysbus_create_simple("sp804", 0x10012000, pic[5]); 208 209 sysbus_create_simple("pl061", 0x10013000, pic[6]); 210 sysbus_create_simple("pl061", 0x10014000, pic[7]); 211 gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]); 212 213 sysbus_create_simple("pl111", 0x10020000, pic[23]); 214 215 dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL); 216 /* Wire up MMC card detect and read-only signals. These have 217 * to go to both the PL061 GPIO and the sysctl register. 218 * Note that the PL181 orders these lines (readonly,inserted) 219 * and the PL061 has them the other way about. Also the card 220 * detect line is inverted. 221 */ 222 mmc_irq[0] = qemu_irq_split( 223 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT), 224 qdev_get_gpio_in(gpio2, 1)); 225 mmc_irq[1] = qemu_irq_split( 226 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN), 227 qemu_irq_invert(qdev_get_gpio_in(gpio2, 0))); 228 qdev_connect_gpio_out(dev, 0, mmc_irq[0]); 229 qdev_connect_gpio_out(dev, 1, mmc_irq[1]); 230 231 sysbus_create_simple("pl031", 0x10017000, pic[10]); 232 233 if (!is_pb) { 234 dev = qdev_create(NULL, "realview_pci"); 235 busdev = SYS_BUS_DEVICE(dev); 236 qdev_init_nofail(dev); 237 sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */ 238 sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */ 239 sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */ 240 sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */ 241 sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */ 242 sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */ 243 sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */ 244 sysbus_connect_irq(busdev, 0, pic[48]); 245 sysbus_connect_irq(busdev, 1, pic[49]); 246 sysbus_connect_irq(busdev, 2, pic[50]); 247 sysbus_connect_irq(busdev, 3, pic[51]); 248 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); 249 if (usb_enabled(false)) { 250 pci_create_simple(pci_bus, -1, "pci-ohci"); 251 } 252 n = drive_get_max_bus(IF_SCSI); 253 while (n >= 0) { 254 pci_create_simple(pci_bus, -1, "lsi53c895a"); 255 n--; 256 } 257 } 258 for(n = 0; n < nb_nics; n++) { 259 nd = &nd_table[n]; 260 261 if (!done_nic && (!nd->model || 262 strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) { 263 if (is_pb) { 264 lan9118_init(nd, 0x4e000000, pic[28]); 265 } else { 266 smc91c111_init(nd, 0x4e000000, pic[28]); 267 } 268 done_nic = 1; 269 } else { 270 if (pci_bus) { 271 pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL); 272 } 273 } 274 } 275 276 dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); 277 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); 278 i2c_create_slave(i2c, "ds1338", 0x68); 279 280 /* Memory map for RealView Emulation Baseboard: */ 281 /* 0x10000000 System registers. */ 282 /* 0x10001000 System controller. */ 283 /* 0x10002000 Two-Wire Serial Bus. */ 284 /* 0x10003000 Reserved. */ 285 /* 0x10004000 AACI. */ 286 /* 0x10005000 MCI. */ 287 /* 0x10006000 KMI0. */ 288 /* 0x10007000 KMI1. */ 289 /* 0x10008000 Character LCD. (EB) */ 290 /* 0x10009000 UART0. */ 291 /* 0x1000a000 UART1. */ 292 /* 0x1000b000 UART2. */ 293 /* 0x1000c000 UART3. */ 294 /* 0x1000d000 SSPI. */ 295 /* 0x1000e000 SCI. */ 296 /* 0x1000f000 Reserved. */ 297 /* 0x10010000 Watchdog. */ 298 /* 0x10011000 Timer 0+1. */ 299 /* 0x10012000 Timer 2+3. */ 300 /* 0x10013000 GPIO 0. */ 301 /* 0x10014000 GPIO 1. */ 302 /* 0x10015000 GPIO 2. */ 303 /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */ 304 /* 0x10017000 RTC. */ 305 /* 0x10018000 DMC. */ 306 /* 0x10019000 PCI controller config. */ 307 /* 0x10020000 CLCD. */ 308 /* 0x10030000 DMA Controller. */ 309 /* 0x10040000 GIC1. (EB) */ 310 /* 0x10050000 GIC2. (EB) */ 311 /* 0x10060000 GIC3. (EB) */ 312 /* 0x10070000 GIC4. (EB) */ 313 /* 0x10080000 SMC. */ 314 /* 0x1e000000 GIC1. (PB) */ 315 /* 0x1e001000 GIC2. (PB) */ 316 /* 0x1e002000 GIC3. (PB) */ 317 /* 0x1e003000 GIC4. (PB) */ 318 /* 0x40000000 NOR flash. */ 319 /* 0x44000000 DoC flash. */ 320 /* 0x48000000 SRAM. */ 321 /* 0x4c000000 Configuration flash. */ 322 /* 0x4e000000 Ethernet. */ 323 /* 0x4f000000 USB. */ 324 /* 0x50000000 PISMO. */ 325 /* 0x54000000 PISMO. */ 326 /* 0x58000000 PISMO. */ 327 /* 0x5c000000 PISMO. */ 328 /* 0x60000000 PCI. */ 329 /* 0x60000000 PCI Self Config. */ 330 /* 0x61000000 PCI Config. */ 331 /* 0x62000000 PCI IO. */ 332 /* 0x63000000 PCI mem 0. */ 333 /* 0x64000000 PCI mem 1. */ 334 /* 0x68000000 PCI mem 2. */ 335 336 /* ??? Hack to map an additional page of ram for the secondary CPU 337 startup code. I guess this works on real hardware because the 338 BootROM happens to be in ROM/flash or in memory that isn't clobbered 339 until after Linux boots the secondary CPUs. */ 340 memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000); 341 vmstate_register_ram_global(ram_hack); 342 memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack); 343 344 realview_binfo.ram_size = ram_size; 345 realview_binfo.kernel_filename = args->kernel_filename; 346 realview_binfo.kernel_cmdline = args->kernel_cmdline; 347 realview_binfo.initrd_filename = args->initrd_filename; 348 realview_binfo.nb_cpus = smp_cpus; 349 realview_binfo.board_id = realview_board_id[board_type]; 350 realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0); 351 arm_load_kernel(ARM_CPU(first_cpu), &realview_binfo); 352 } 353 354 static void realview_eb_init(QEMUMachineInitArgs *args) 355 { 356 if (!args->cpu_model) { 357 args->cpu_model = "arm926"; 358 } 359 realview_init(args, BOARD_EB); 360 } 361 362 static void realview_eb_mpcore_init(QEMUMachineInitArgs *args) 363 { 364 if (!args->cpu_model) { 365 args->cpu_model = "arm11mpcore"; 366 } 367 realview_init(args, BOARD_EB_MPCORE); 368 } 369 370 static void realview_pb_a8_init(QEMUMachineInitArgs *args) 371 { 372 if (!args->cpu_model) { 373 args->cpu_model = "cortex-a8"; 374 } 375 realview_init(args, BOARD_PB_A8); 376 } 377 378 static void realview_pbx_a9_init(QEMUMachineInitArgs *args) 379 { 380 if (!args->cpu_model) { 381 args->cpu_model = "cortex-a9"; 382 } 383 realview_init(args, BOARD_PBX_A9); 384 } 385 386 static QEMUMachine realview_eb_machine = { 387 .name = "realview-eb", 388 .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)", 389 .init = realview_eb_init, 390 .block_default_type = IF_SCSI, 391 }; 392 393 static QEMUMachine realview_eb_mpcore_machine = { 394 .name = "realview-eb-mpcore", 395 .desc = "ARM RealView Emulation Baseboard (ARM11MPCore)", 396 .init = realview_eb_mpcore_init, 397 .block_default_type = IF_SCSI, 398 .max_cpus = 4, 399 }; 400 401 static QEMUMachine realview_pb_a8_machine = { 402 .name = "realview-pb-a8", 403 .desc = "ARM RealView Platform Baseboard for Cortex-A8", 404 .init = realview_pb_a8_init, 405 }; 406 407 static QEMUMachine realview_pbx_a9_machine = { 408 .name = "realview-pbx-a9", 409 .desc = "ARM RealView Platform Baseboard Explore for Cortex-A9", 410 .init = realview_pbx_a9_init, 411 .block_default_type = IF_SCSI, 412 .max_cpus = 4, 413 }; 414 415 static void realview_machine_init(void) 416 { 417 qemu_register_machine(&realview_eb_machine); 418 qemu_register_machine(&realview_eb_mpcore_machine); 419 qemu_register_machine(&realview_pb_a8_machine); 420 qemu_register_machine(&realview_pbx_a9_machine); 421 } 422 423 machine_init(realview_machine_init); 424