1 /* 2 * ARM Versatile Express emulation. 3 * 4 * Copyright (c) 2010 - 2011 B Labs Ltd. 5 * Copyright (c) 2011 Linaro Limited 6 * Written by Bahadir Balban, Amit Mahajan, Peter Maydell 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 * 20 * Contributions after 2012-01-13 are licensed under the terms of the 21 * GNU GPL, version 2 or (at your option) any later version. 22 */ 23 24 #include "hw/sysbus.h" 25 #include "hw/arm/arm.h" 26 #include "hw/arm/primecell.h" 27 #include "hw/devices.h" 28 #include "net/net.h" 29 #include "sysemu/sysemu.h" 30 #include "hw/boards.h" 31 #include "exec/address-spaces.h" 32 #include "sysemu/blockdev.h" 33 #include "hw/block/flash.h" 34 #include "sysemu/device_tree.h" 35 #include <libfdt.h> 36 37 #define VEXPRESS_BOARD_ID 0x8e0 38 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) 39 #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) 40 41 /* Number of virtio transports to create (0..8; limited by 42 * number of available IRQ lines). 43 */ 44 #define NUM_VIRTIO_TRANSPORTS 4 45 46 /* Address maps for peripherals: 47 * the Versatile Express motherboard has two possible maps, 48 * the "legacy" one (used for A9) and the "Cortex-A Series" 49 * map (used for newer cores). 50 * Individual daughterboards can also have different maps for 51 * their peripherals. 52 */ 53 54 enum { 55 VE_SYSREGS, 56 VE_SP810, 57 VE_SERIALPCI, 58 VE_PL041, 59 VE_MMCI, 60 VE_KMI0, 61 VE_KMI1, 62 VE_UART0, 63 VE_UART1, 64 VE_UART2, 65 VE_UART3, 66 VE_WDT, 67 VE_TIMER01, 68 VE_TIMER23, 69 VE_SERIALDVI, 70 VE_RTC, 71 VE_COMPACTFLASH, 72 VE_CLCD, 73 VE_NORFLASH0, 74 VE_NORFLASH1, 75 VE_NORFLASHALIAS, 76 VE_SRAM, 77 VE_VIDEORAM, 78 VE_ETHERNET, 79 VE_USB, 80 VE_DAPROM, 81 VE_VIRTIO, 82 }; 83 84 static hwaddr motherboard_legacy_map[] = { 85 /* CS7: 0x10000000 .. 0x10020000 */ 86 [VE_SYSREGS] = 0x10000000, 87 [VE_SP810] = 0x10001000, 88 [VE_SERIALPCI] = 0x10002000, 89 [VE_PL041] = 0x10004000, 90 [VE_MMCI] = 0x10005000, 91 [VE_KMI0] = 0x10006000, 92 [VE_KMI1] = 0x10007000, 93 [VE_UART0] = 0x10009000, 94 [VE_UART1] = 0x1000a000, 95 [VE_UART2] = 0x1000b000, 96 [VE_UART3] = 0x1000c000, 97 [VE_WDT] = 0x1000f000, 98 [VE_TIMER01] = 0x10011000, 99 [VE_TIMER23] = 0x10012000, 100 [VE_VIRTIO] = 0x10013000, 101 [VE_SERIALDVI] = 0x10016000, 102 [VE_RTC] = 0x10017000, 103 [VE_COMPACTFLASH] = 0x1001a000, 104 [VE_CLCD] = 0x1001f000, 105 /* CS0: 0x40000000 .. 0x44000000 */ 106 [VE_NORFLASH0] = 0x40000000, 107 /* CS1: 0x44000000 .. 0x48000000 */ 108 [VE_NORFLASH1] = 0x44000000, 109 /* CS2: 0x48000000 .. 0x4a000000 */ 110 [VE_SRAM] = 0x48000000, 111 /* CS3: 0x4c000000 .. 0x50000000 */ 112 [VE_VIDEORAM] = 0x4c000000, 113 [VE_ETHERNET] = 0x4e000000, 114 [VE_USB] = 0x4f000000, 115 [VE_NORFLASHALIAS] = -1, /* not present */ 116 }; 117 118 static hwaddr motherboard_aseries_map[] = { 119 [VE_NORFLASHALIAS] = 0, 120 /* CS0: 0x08000000 .. 0x0c000000 */ 121 [VE_NORFLASH0] = 0x08000000, 122 /* CS4: 0x0c000000 .. 0x10000000 */ 123 [VE_NORFLASH1] = 0x0c000000, 124 /* CS5: 0x10000000 .. 0x14000000 */ 125 /* CS1: 0x14000000 .. 0x18000000 */ 126 [VE_SRAM] = 0x14000000, 127 /* CS2: 0x18000000 .. 0x1c000000 */ 128 [VE_VIDEORAM] = 0x18000000, 129 [VE_ETHERNET] = 0x1a000000, 130 [VE_USB] = 0x1b000000, 131 /* CS3: 0x1c000000 .. 0x20000000 */ 132 [VE_DAPROM] = 0x1c000000, 133 [VE_SYSREGS] = 0x1c010000, 134 [VE_SP810] = 0x1c020000, 135 [VE_SERIALPCI] = 0x1c030000, 136 [VE_PL041] = 0x1c040000, 137 [VE_MMCI] = 0x1c050000, 138 [VE_KMI0] = 0x1c060000, 139 [VE_KMI1] = 0x1c070000, 140 [VE_UART0] = 0x1c090000, 141 [VE_UART1] = 0x1c0a0000, 142 [VE_UART2] = 0x1c0b0000, 143 [VE_UART3] = 0x1c0c0000, 144 [VE_WDT] = 0x1c0f0000, 145 [VE_TIMER01] = 0x1c110000, 146 [VE_TIMER23] = 0x1c120000, 147 [VE_VIRTIO] = 0x1c130000, 148 [VE_SERIALDVI] = 0x1c160000, 149 [VE_RTC] = 0x1c170000, 150 [VE_COMPACTFLASH] = 0x1c1a0000, 151 [VE_CLCD] = 0x1c1f0000, 152 }; 153 154 /* Structure defining the peculiarities of a specific daughterboard */ 155 156 typedef struct VEDBoardInfo VEDBoardInfo; 157 158 typedef void DBoardInitFn(const VEDBoardInfo *daughterboard, 159 ram_addr_t ram_size, 160 const char *cpu_model, 161 qemu_irq *pic); 162 163 struct VEDBoardInfo { 164 struct arm_boot_info bootinfo; 165 const hwaddr *motherboard_map; 166 hwaddr loader_start; 167 const hwaddr gic_cpu_if_addr; 168 uint32_t proc_id; 169 uint32_t num_voltage_sensors; 170 const uint32_t *voltages; 171 uint32_t num_clocks; 172 const uint32_t *clocks; 173 DBoardInitFn *init; 174 }; 175 176 static void a9_daughterboard_init(const VEDBoardInfo *daughterboard, 177 ram_addr_t ram_size, 178 const char *cpu_model, 179 qemu_irq *pic) 180 { 181 MemoryRegion *sysmem = get_system_memory(); 182 MemoryRegion *ram = g_new(MemoryRegion, 1); 183 MemoryRegion *lowram = g_new(MemoryRegion, 1); 184 DeviceState *dev; 185 SysBusDevice *busdev; 186 int n; 187 qemu_irq cpu_irq[4]; 188 ram_addr_t low_ram_size; 189 190 if (!cpu_model) { 191 cpu_model = "cortex-a9"; 192 } 193 194 for (n = 0; n < smp_cpus; n++) { 195 ARMCPU *cpu = cpu_arm_init(cpu_model); 196 if (!cpu) { 197 fprintf(stderr, "Unable to find CPU definition\n"); 198 exit(1); 199 } 200 cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ); 201 } 202 203 if (ram_size > 0x40000000) { 204 /* 1GB is the maximum the address space permits */ 205 fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n"); 206 exit(1); 207 } 208 209 memory_region_init_ram(ram, NULL, "vexpress.highmem", ram_size); 210 vmstate_register_ram_global(ram); 211 low_ram_size = ram_size; 212 if (low_ram_size > 0x4000000) { 213 low_ram_size = 0x4000000; 214 } 215 /* RAM is from 0x60000000 upwards. The bottom 64MB of the 216 * address space should in theory be remappable to various 217 * things including ROM or RAM; we always map the RAM there. 218 */ 219 memory_region_init_alias(lowram, NULL, "vexpress.lowmem", ram, 0, low_ram_size); 220 memory_region_add_subregion(sysmem, 0x0, lowram); 221 memory_region_add_subregion(sysmem, 0x60000000, ram); 222 223 /* 0x1e000000 A9MPCore (SCU) private memory region */ 224 dev = qdev_create(NULL, "a9mpcore_priv"); 225 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 226 qdev_init_nofail(dev); 227 busdev = SYS_BUS_DEVICE(dev); 228 sysbus_mmio_map(busdev, 0, 0x1e000000); 229 for (n = 0; n < smp_cpus; n++) { 230 sysbus_connect_irq(busdev, n, cpu_irq[n]); 231 } 232 /* Interrupts [42:0] are from the motherboard; 233 * [47:43] are reserved; [63:48] are daughterboard 234 * peripherals. Note that some documentation numbers 235 * external interrupts starting from 32 (because the 236 * A9MP has internal interrupts 0..31). 237 */ 238 for (n = 0; n < 64; n++) { 239 pic[n] = qdev_get_gpio_in(dev, n); 240 } 241 242 /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ 243 244 /* 0x10020000 PL111 CLCD (daughterboard) */ 245 sysbus_create_simple("pl111", 0x10020000, pic[44]); 246 247 /* 0x10060000 AXI RAM */ 248 /* 0x100e0000 PL341 Dynamic Memory Controller */ 249 /* 0x100e1000 PL354 Static Memory Controller */ 250 /* 0x100e2000 System Configuration Controller */ 251 252 sysbus_create_simple("sp804", 0x100e4000, pic[48]); 253 /* 0x100e5000 SP805 Watchdog module */ 254 /* 0x100e6000 BP147 TrustZone Protection Controller */ 255 /* 0x100e9000 PL301 'Fast' AXI matrix */ 256 /* 0x100ea000 PL301 'Slow' AXI matrix */ 257 /* 0x100ec000 TrustZone Address Space Controller */ 258 /* 0x10200000 CoreSight debug APB */ 259 /* 0x1e00a000 PL310 L2 Cache Controller */ 260 sysbus_create_varargs("l2x0", 0x1e00a000, NULL); 261 } 262 263 /* Voltage values for SYS_CFG_VOLT daughterboard registers; 264 * values are in microvolts. 265 */ 266 static const uint32_t a9_voltages[] = { 267 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ 268 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ 269 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ 270 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ 271 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ 272 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ 273 }; 274 275 /* Reset values for daughterboard oscillators (in Hz) */ 276 static const uint32_t a9_clocks[] = { 277 45000000, /* AMBA AXI ACLK: 45MHz */ 278 23750000, /* daughterboard CLCD clock: 23.75MHz */ 279 66670000, /* Test chip reference clock: 66.67MHz */ 280 }; 281 282 static VEDBoardInfo a9_daughterboard = { 283 .motherboard_map = motherboard_legacy_map, 284 .loader_start = 0x60000000, 285 .gic_cpu_if_addr = 0x1e000100, 286 .proc_id = 0x0c000191, 287 .num_voltage_sensors = ARRAY_SIZE(a9_voltages), 288 .voltages = a9_voltages, 289 .num_clocks = ARRAY_SIZE(a9_clocks), 290 .clocks = a9_clocks, 291 .init = a9_daughterboard_init, 292 }; 293 294 static void a15_daughterboard_init(const VEDBoardInfo *daughterboard, 295 ram_addr_t ram_size, 296 const char *cpu_model, 297 qemu_irq *pic) 298 { 299 int n; 300 MemoryRegion *sysmem = get_system_memory(); 301 MemoryRegion *ram = g_new(MemoryRegion, 1); 302 MemoryRegion *sram = g_new(MemoryRegion, 1); 303 qemu_irq cpu_irq[4]; 304 DeviceState *dev; 305 SysBusDevice *busdev; 306 307 if (!cpu_model) { 308 cpu_model = "cortex-a15"; 309 } 310 311 for (n = 0; n < smp_cpus; n++) { 312 ARMCPU *cpu; 313 314 cpu = cpu_arm_init(cpu_model); 315 if (!cpu) { 316 fprintf(stderr, "Unable to find CPU definition\n"); 317 exit(1); 318 } 319 cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ); 320 } 321 322 { 323 /* We have to use a separate 64 bit variable here to avoid the gcc 324 * "comparison is always false due to limited range of data type" 325 * warning if we are on a host where ram_addr_t is 32 bits. 326 */ 327 uint64_t rsz = ram_size; 328 if (rsz > (30ULL * 1024 * 1024 * 1024)) { 329 fprintf(stderr, "vexpress-a15: cannot model more than 30GB RAM\n"); 330 exit(1); 331 } 332 } 333 334 memory_region_init_ram(ram, NULL, "vexpress.highmem", ram_size); 335 vmstate_register_ram_global(ram); 336 /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ 337 memory_region_add_subregion(sysmem, 0x80000000, ram); 338 339 /* 0x2c000000 A15MPCore private memory region (GIC) */ 340 dev = qdev_create(NULL, "a15mpcore_priv"); 341 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 342 qdev_init_nofail(dev); 343 busdev = SYS_BUS_DEVICE(dev); 344 sysbus_mmio_map(busdev, 0, 0x2c000000); 345 for (n = 0; n < smp_cpus; n++) { 346 sysbus_connect_irq(busdev, n, cpu_irq[n]); 347 } 348 /* Interrupts [42:0] are from the motherboard; 349 * [47:43] are reserved; [63:48] are daughterboard 350 * peripherals. Note that some documentation numbers 351 * external interrupts starting from 32 (because there 352 * are internal interrupts 0..31). 353 */ 354 for (n = 0; n < 64; n++) { 355 pic[n] = qdev_get_gpio_in(dev, n); 356 } 357 358 /* A15 daughterboard peripherals: */ 359 360 /* 0x20000000: CoreSight interfaces: not modelled */ 361 /* 0x2a000000: PL301 AXI interconnect: not modelled */ 362 /* 0x2a420000: SCC: not modelled */ 363 /* 0x2a430000: system counter: not modelled */ 364 /* 0x2b000000: HDLCD controller: not modelled */ 365 /* 0x2b060000: SP805 watchdog: not modelled */ 366 /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ 367 /* 0x2e000000: system SRAM */ 368 memory_region_init_ram(sram, NULL, "vexpress.a15sram", 0x10000); 369 vmstate_register_ram_global(sram); 370 memory_region_add_subregion(sysmem, 0x2e000000, sram); 371 372 /* 0x7ffb0000: DMA330 DMA controller: not modelled */ 373 /* 0x7ffd0000: PL354 static memory controller: not modelled */ 374 } 375 376 static const uint32_t a15_voltages[] = { 377 900000, /* Vcore: 0.9V : CPU core voltage */ 378 }; 379 380 static const uint32_t a15_clocks[] = { 381 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */ 382 0, /* OSCCLK1: reserved */ 383 0, /* OSCCLK2: reserved */ 384 0, /* OSCCLK3: reserved */ 385 40000000, /* OSCCLK4: 40MHz : external AXI master clock */ 386 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */ 387 50000000, /* OSCCLK6: 50MHz : static memory controller clock */ 388 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */ 389 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */ 390 }; 391 392 static VEDBoardInfo a15_daughterboard = { 393 .motherboard_map = motherboard_aseries_map, 394 .loader_start = 0x80000000, 395 .gic_cpu_if_addr = 0x2c002000, 396 .proc_id = 0x14000237, 397 .num_voltage_sensors = ARRAY_SIZE(a15_voltages), 398 .voltages = a15_voltages, 399 .num_clocks = ARRAY_SIZE(a15_clocks), 400 .clocks = a15_clocks, 401 .init = a15_daughterboard_init, 402 }; 403 404 static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells, 405 hwaddr addr, hwaddr size, uint32_t intc, 406 int irq) 407 { 408 /* Add a virtio_mmio node to the device tree blob: 409 * virtio_mmio@ADDRESS { 410 * compatible = "virtio,mmio"; 411 * reg = <ADDRESS, SIZE>; 412 * interrupt-parent = <&intc>; 413 * interrupts = <0, irq, 1>; 414 * } 415 * (Note that the format of the interrupts property is dependent on the 416 * interrupt controller that interrupt-parent points to; these are for 417 * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.) 418 */ 419 int rc; 420 char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr); 421 422 rc = qemu_devtree_add_subnode(fdt, nodename); 423 rc |= qemu_devtree_setprop_string(fdt, nodename, 424 "compatible", "virtio,mmio"); 425 rc |= qemu_devtree_setprop_sized_cells(fdt, nodename, "reg", 426 acells, addr, scells, size); 427 qemu_devtree_setprop_cells(fdt, nodename, "interrupt-parent", intc); 428 qemu_devtree_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1); 429 g_free(nodename); 430 if (rc) { 431 return -1; 432 } 433 return 0; 434 } 435 436 static uint32_t find_int_controller(void *fdt) 437 { 438 /* Find the FDT node corresponding to the interrupt controller 439 * for virtio-mmio devices. We do this by scanning the fdt for 440 * a node with the right compatibility, since we know there is 441 * only one GIC on a vexpress board. 442 * We return the phandle of the node, or 0 if none was found. 443 */ 444 const char *compat = "arm,cortex-a9-gic"; 445 int offset; 446 447 offset = fdt_node_offset_by_compatible(fdt, -1, compat); 448 if (offset >= 0) { 449 return fdt_get_phandle(fdt, offset); 450 } 451 return 0; 452 } 453 454 static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt) 455 { 456 uint32_t acells, scells, intc; 457 const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info; 458 459 acells = qemu_devtree_getprop_cell(fdt, "/", "#address-cells"); 460 scells = qemu_devtree_getprop_cell(fdt, "/", "#size-cells"); 461 intc = find_int_controller(fdt); 462 if (!intc) { 463 /* Not fatal, we just won't provide virtio. This will 464 * happen with older device tree blobs. 465 */ 466 fprintf(stderr, "QEMU: warning: couldn't find interrupt controller in " 467 "dtb; will not include virtio-mmio devices in the dtb.\n"); 468 } else { 469 int i; 470 const hwaddr *map = daughterboard->motherboard_map; 471 472 /* We iterate backwards here because adding nodes 473 * to the dtb puts them in last-first. 474 */ 475 for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) { 476 add_virtio_mmio_node(fdt, acells, scells, 477 map[VE_VIRTIO] + 0x200 * i, 478 0x200, intc, 40 + i); 479 } 480 } 481 } 482 483 static void vexpress_common_init(VEDBoardInfo *daughterboard, 484 QEMUMachineInitArgs *args) 485 { 486 DeviceState *dev, *sysctl, *pl041; 487 qemu_irq pic[64]; 488 uint32_t sys_id; 489 DriveInfo *dinfo; 490 pflash_t *pflash0; 491 ram_addr_t vram_size, sram_size; 492 MemoryRegion *sysmem = get_system_memory(); 493 MemoryRegion *vram = g_new(MemoryRegion, 1); 494 MemoryRegion *sram = g_new(MemoryRegion, 1); 495 MemoryRegion *flashalias = g_new(MemoryRegion, 1); 496 MemoryRegion *flash0mem; 497 const hwaddr *map = daughterboard->motherboard_map; 498 int i; 499 500 daughterboard->init(daughterboard, args->ram_size, args->cpu_model, pic); 501 502 /* Motherboard peripherals: the wiring is the same but the 503 * addresses vary between the legacy and A-Series memory maps. 504 */ 505 506 sys_id = 0x1190f500; 507 508 sysctl = qdev_create(NULL, "realview_sysctl"); 509 qdev_prop_set_uint32(sysctl, "sys_id", sys_id); 510 qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); 511 qdev_prop_set_uint32(sysctl, "len-db-voltage", 512 daughterboard->num_voltage_sensors); 513 for (i = 0; i < daughterboard->num_voltage_sensors; i++) { 514 char *propname = g_strdup_printf("db-voltage[%d]", i); 515 qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]); 516 g_free(propname); 517 } 518 qdev_prop_set_uint32(sysctl, "len-db-clock", 519 daughterboard->num_clocks); 520 for (i = 0; i < daughterboard->num_clocks; i++) { 521 char *propname = g_strdup_printf("db-clock[%d]", i); 522 qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]); 523 g_free(propname); 524 } 525 qdev_init_nofail(sysctl); 526 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); 527 528 /* VE_SP810: not modelled */ 529 /* VE_SERIALPCI: not modelled */ 530 531 pl041 = qdev_create(NULL, "pl041"); 532 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); 533 qdev_init_nofail(pl041); 534 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]); 535 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]); 536 537 dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); 538 /* Wire up MMC card detect and read-only signals */ 539 qdev_connect_gpio_out(dev, 0, 540 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); 541 qdev_connect_gpio_out(dev, 1, 542 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); 543 544 sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); 545 sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); 546 547 sysbus_create_simple("pl011", map[VE_UART0], pic[5]); 548 sysbus_create_simple("pl011", map[VE_UART1], pic[6]); 549 sysbus_create_simple("pl011", map[VE_UART2], pic[7]); 550 sysbus_create_simple("pl011", map[VE_UART3], pic[8]); 551 552 sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); 553 sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); 554 555 /* VE_SERIALDVI: not modelled */ 556 557 sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ 558 559 /* VE_COMPACTFLASH: not modelled */ 560 561 sysbus_create_simple("pl111", map[VE_CLCD], pic[14]); 562 563 dinfo = drive_get_next(IF_PFLASH); 564 pflash0 = pflash_cfi01_register(map[VE_NORFLASH0], NULL, "vexpress.flash0", 565 VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL, 566 VEXPRESS_FLASH_SECT_SIZE, 567 VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4, 568 0x00, 0x89, 0x00, 0x18, 0); 569 if (!pflash0) { 570 fprintf(stderr, "vexpress: error registering flash 0.\n"); 571 exit(1); 572 } 573 574 if (map[VE_NORFLASHALIAS] != -1) { 575 /* Map flash 0 as an alias into low memory */ 576 flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0); 577 memory_region_init_alias(flashalias, NULL, "vexpress.flashalias", 578 flash0mem, 0, VEXPRESS_FLASH_SIZE); 579 memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias); 580 } 581 582 dinfo = drive_get_next(IF_PFLASH); 583 if (!pflash_cfi01_register(map[VE_NORFLASH1], NULL, "vexpress.flash1", 584 VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL, 585 VEXPRESS_FLASH_SECT_SIZE, 586 VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4, 587 0x00, 0x89, 0x00, 0x18, 0)) { 588 fprintf(stderr, "vexpress: error registering flash 1.\n"); 589 exit(1); 590 } 591 592 sram_size = 0x2000000; 593 memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size); 594 vmstate_register_ram_global(sram); 595 memory_region_add_subregion(sysmem, map[VE_SRAM], sram); 596 597 vram_size = 0x800000; 598 memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size); 599 vmstate_register_ram_global(vram); 600 memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); 601 602 /* 0x4e000000 LAN9118 Ethernet */ 603 if (nd_table[0].used) { 604 lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); 605 } 606 607 /* VE_USB: not modelled */ 608 609 /* VE_DAPROM: not modelled */ 610 611 /* Create mmio transports, so the user can create virtio backends 612 * (which will be automatically plugged in to the transports). If 613 * no backend is created the transport will just sit harmlessly idle. 614 */ 615 for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) { 616 sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i, 617 pic[40 + i]); 618 } 619 620 daughterboard->bootinfo.ram_size = args->ram_size; 621 daughterboard->bootinfo.kernel_filename = args->kernel_filename; 622 daughterboard->bootinfo.kernel_cmdline = args->kernel_cmdline; 623 daughterboard->bootinfo.initrd_filename = args->initrd_filename; 624 daughterboard->bootinfo.nb_cpus = smp_cpus; 625 daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; 626 daughterboard->bootinfo.loader_start = daughterboard->loader_start; 627 daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; 628 daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; 629 daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; 630 daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb; 631 arm_load_kernel(ARM_CPU(first_cpu), &daughterboard->bootinfo); 632 } 633 634 static void vexpress_a9_init(QEMUMachineInitArgs *args) 635 { 636 vexpress_common_init(&a9_daughterboard, args); 637 } 638 639 static void vexpress_a15_init(QEMUMachineInitArgs *args) 640 { 641 vexpress_common_init(&a15_daughterboard, args); 642 } 643 644 static QEMUMachine vexpress_a9_machine = { 645 .name = "vexpress-a9", 646 .desc = "ARM Versatile Express for Cortex-A9", 647 .init = vexpress_a9_init, 648 .block_default_type = IF_SCSI, 649 .max_cpus = 4, 650 }; 651 652 static QEMUMachine vexpress_a15_machine = { 653 .name = "vexpress-a15", 654 .desc = "ARM Versatile Express for Cortex-A15", 655 .init = vexpress_a15_init, 656 .block_default_type = IF_SCSI, 657 .max_cpus = 4, 658 }; 659 660 static void vexpress_machine_init(void) 661 { 662 qemu_register_machine(&vexpress_a9_machine); 663 qemu_register_machine(&vexpress_a15_machine); 664 } 665 666 machine_init(vexpress_machine_init); 667