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 "qemu/osdep.h" 25 #include "qapi/error.h" 26 #include "qemu-common.h" 27 #include "qemu/datadir.h" 28 #include "cpu.h" 29 #include "hw/sysbus.h" 30 #include "hw/arm/boot.h" 31 #include "hw/arm/primecell.h" 32 #include "hw/net/lan9118.h" 33 #include "hw/i2c/i2c.h" 34 #include "net/net.h" 35 #include "sysemu/sysemu.h" 36 #include "hw/boards.h" 37 #include "hw/loader.h" 38 #include "hw/block/flash.h" 39 #include "sysemu/device_tree.h" 40 #include "qemu/error-report.h" 41 #include <libfdt.h> 42 #include "hw/char/pl011.h" 43 #include "hw/cpu/a9mpcore.h" 44 #include "hw/cpu/a15mpcore.h" 45 #include "hw/i2c/arm_sbcon_i2c.h" 46 #include "hw/sd/sd.h" 47 #include "qom/object.h" 48 49 #define VEXPRESS_BOARD_ID 0x8e0 50 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) 51 #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) 52 53 /* Number of virtio transports to create (0..8; limited by 54 * number of available IRQ lines). 55 */ 56 #define NUM_VIRTIO_TRANSPORTS 4 57 58 /* Address maps for peripherals: 59 * the Versatile Express motherboard has two possible maps, 60 * the "legacy" one (used for A9) and the "Cortex-A Series" 61 * map (used for newer cores). 62 * Individual daughterboards can also have different maps for 63 * their peripherals. 64 */ 65 66 enum { 67 VE_SYSREGS, 68 VE_SP810, 69 VE_SERIALPCI, 70 VE_PL041, 71 VE_MMCI, 72 VE_KMI0, 73 VE_KMI1, 74 VE_UART0, 75 VE_UART1, 76 VE_UART2, 77 VE_UART3, 78 VE_WDT, 79 VE_TIMER01, 80 VE_TIMER23, 81 VE_SERIALDVI, 82 VE_RTC, 83 VE_COMPACTFLASH, 84 VE_CLCD, 85 VE_NORFLASH0, 86 VE_NORFLASH1, 87 VE_NORFLASHALIAS, 88 VE_SRAM, 89 VE_VIDEORAM, 90 VE_ETHERNET, 91 VE_USB, 92 VE_DAPROM, 93 VE_VIRTIO, 94 }; 95 96 static hwaddr motherboard_legacy_map[] = { 97 [VE_NORFLASHALIAS] = 0, 98 /* CS7: 0x10000000 .. 0x10020000 */ 99 [VE_SYSREGS] = 0x10000000, 100 [VE_SP810] = 0x10001000, 101 [VE_SERIALPCI] = 0x10002000, 102 [VE_PL041] = 0x10004000, 103 [VE_MMCI] = 0x10005000, 104 [VE_KMI0] = 0x10006000, 105 [VE_KMI1] = 0x10007000, 106 [VE_UART0] = 0x10009000, 107 [VE_UART1] = 0x1000a000, 108 [VE_UART2] = 0x1000b000, 109 [VE_UART3] = 0x1000c000, 110 [VE_WDT] = 0x1000f000, 111 [VE_TIMER01] = 0x10011000, 112 [VE_TIMER23] = 0x10012000, 113 [VE_VIRTIO] = 0x10013000, 114 [VE_SERIALDVI] = 0x10016000, 115 [VE_RTC] = 0x10017000, 116 [VE_COMPACTFLASH] = 0x1001a000, 117 [VE_CLCD] = 0x1001f000, 118 /* CS0: 0x40000000 .. 0x44000000 */ 119 [VE_NORFLASH0] = 0x40000000, 120 /* CS1: 0x44000000 .. 0x48000000 */ 121 [VE_NORFLASH1] = 0x44000000, 122 /* CS2: 0x48000000 .. 0x4a000000 */ 123 [VE_SRAM] = 0x48000000, 124 /* CS3: 0x4c000000 .. 0x50000000 */ 125 [VE_VIDEORAM] = 0x4c000000, 126 [VE_ETHERNET] = 0x4e000000, 127 [VE_USB] = 0x4f000000, 128 }; 129 130 static hwaddr motherboard_aseries_map[] = { 131 [VE_NORFLASHALIAS] = 0, 132 /* CS0: 0x08000000 .. 0x0c000000 */ 133 [VE_NORFLASH0] = 0x08000000, 134 /* CS4: 0x0c000000 .. 0x10000000 */ 135 [VE_NORFLASH1] = 0x0c000000, 136 /* CS5: 0x10000000 .. 0x14000000 */ 137 /* CS1: 0x14000000 .. 0x18000000 */ 138 [VE_SRAM] = 0x14000000, 139 /* CS2: 0x18000000 .. 0x1c000000 */ 140 [VE_VIDEORAM] = 0x18000000, 141 [VE_ETHERNET] = 0x1a000000, 142 [VE_USB] = 0x1b000000, 143 /* CS3: 0x1c000000 .. 0x20000000 */ 144 [VE_DAPROM] = 0x1c000000, 145 [VE_SYSREGS] = 0x1c010000, 146 [VE_SP810] = 0x1c020000, 147 [VE_SERIALPCI] = 0x1c030000, 148 [VE_PL041] = 0x1c040000, 149 [VE_MMCI] = 0x1c050000, 150 [VE_KMI0] = 0x1c060000, 151 [VE_KMI1] = 0x1c070000, 152 [VE_UART0] = 0x1c090000, 153 [VE_UART1] = 0x1c0a0000, 154 [VE_UART2] = 0x1c0b0000, 155 [VE_UART3] = 0x1c0c0000, 156 [VE_WDT] = 0x1c0f0000, 157 [VE_TIMER01] = 0x1c110000, 158 [VE_TIMER23] = 0x1c120000, 159 [VE_VIRTIO] = 0x1c130000, 160 [VE_SERIALDVI] = 0x1c160000, 161 [VE_RTC] = 0x1c170000, 162 [VE_COMPACTFLASH] = 0x1c1a0000, 163 [VE_CLCD] = 0x1c1f0000, 164 }; 165 166 /* Structure defining the peculiarities of a specific daughterboard */ 167 168 typedef struct VEDBoardInfo VEDBoardInfo; 169 170 struct VexpressMachineClass { 171 MachineClass parent; 172 VEDBoardInfo *daughterboard; 173 }; 174 175 struct VexpressMachineState { 176 MachineState parent; 177 bool secure; 178 bool virt; 179 }; 180 181 #define TYPE_VEXPRESS_MACHINE "vexpress" 182 #define TYPE_VEXPRESS_A9_MACHINE MACHINE_TYPE_NAME("vexpress-a9") 183 #define TYPE_VEXPRESS_A15_MACHINE MACHINE_TYPE_NAME("vexpress-a15") 184 OBJECT_DECLARE_TYPE(VexpressMachineState, VexpressMachineClass, VEXPRESS_MACHINE) 185 186 typedef void DBoardInitFn(const VexpressMachineState *machine, 187 ram_addr_t ram_size, 188 const char *cpu_type, 189 qemu_irq *pic); 190 191 struct VEDBoardInfo { 192 struct arm_boot_info bootinfo; 193 const hwaddr *motherboard_map; 194 hwaddr loader_start; 195 const hwaddr gic_cpu_if_addr; 196 uint32_t proc_id; 197 uint32_t num_voltage_sensors; 198 const uint32_t *voltages; 199 uint32_t num_clocks; 200 const uint32_t *clocks; 201 DBoardInitFn *init; 202 }; 203 204 static void init_cpus(MachineState *ms, const char *cpu_type, 205 const char *privdev, hwaddr periphbase, 206 qemu_irq *pic, bool secure, bool virt) 207 { 208 DeviceState *dev; 209 SysBusDevice *busdev; 210 int n; 211 unsigned int smp_cpus = ms->smp.cpus; 212 213 /* Create the actual CPUs */ 214 for (n = 0; n < smp_cpus; n++) { 215 Object *cpuobj = object_new(cpu_type); 216 217 if (!secure) { 218 object_property_set_bool(cpuobj, "has_el3", false, NULL); 219 } 220 if (!virt) { 221 if (object_property_find(cpuobj, "has_el2")) { 222 object_property_set_bool(cpuobj, "has_el2", false, NULL); 223 } 224 } 225 226 if (object_property_find(cpuobj, "reset-cbar")) { 227 object_property_set_int(cpuobj, "reset-cbar", periphbase, 228 &error_abort); 229 } 230 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); 231 } 232 233 /* Create the private peripheral devices (including the GIC); 234 * this must happen after the CPUs are created because a15mpcore_priv 235 * wires itself up to the CPU's generic_timer gpio out lines. 236 */ 237 dev = qdev_new(privdev); 238 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 239 busdev = SYS_BUS_DEVICE(dev); 240 sysbus_realize_and_unref(busdev, &error_fatal); 241 sysbus_mmio_map(busdev, 0, periphbase); 242 243 /* Interrupts [42:0] are from the motherboard; 244 * [47:43] are reserved; [63:48] are daughterboard 245 * peripherals. Note that some documentation numbers 246 * external interrupts starting from 32 (because there 247 * are internal interrupts 0..31). 248 */ 249 for (n = 0; n < 64; n++) { 250 pic[n] = qdev_get_gpio_in(dev, n); 251 } 252 253 /* Connect the CPUs to the GIC */ 254 for (n = 0; n < smp_cpus; n++) { 255 DeviceState *cpudev = DEVICE(qemu_get_cpu(n)); 256 257 sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); 258 sysbus_connect_irq(busdev, n + smp_cpus, 259 qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); 260 sysbus_connect_irq(busdev, n + 2 * smp_cpus, 261 qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); 262 sysbus_connect_irq(busdev, n + 3 * smp_cpus, 263 qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); 264 } 265 } 266 267 static void a9_daughterboard_init(const VexpressMachineState *vms, 268 ram_addr_t ram_size, 269 const char *cpu_type, 270 qemu_irq *pic) 271 { 272 MachineState *machine = MACHINE(vms); 273 MemoryRegion *sysmem = get_system_memory(); 274 MemoryRegion *lowram = g_new(MemoryRegion, 1); 275 ram_addr_t low_ram_size; 276 277 if (ram_size > 0x40000000) { 278 /* 1GB is the maximum the address space permits */ 279 error_report("vexpress-a9: cannot model more than 1GB RAM"); 280 exit(1); 281 } 282 283 low_ram_size = ram_size; 284 if (low_ram_size > 0x4000000) { 285 low_ram_size = 0x4000000; 286 } 287 /* RAM is from 0x60000000 upwards. The bottom 64MB of the 288 * address space should in theory be remappable to various 289 * things including ROM or RAM; we always map the RAM there. 290 */ 291 memory_region_init_alias(lowram, NULL, "vexpress.lowmem", machine->ram, 292 0, low_ram_size); 293 memory_region_add_subregion(sysmem, 0x0, lowram); 294 memory_region_add_subregion(sysmem, 0x60000000, machine->ram); 295 296 /* 0x1e000000 A9MPCore (SCU) private memory region */ 297 init_cpus(machine, cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, 298 vms->secure, vms->virt); 299 300 /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ 301 302 /* 0x10020000 PL111 CLCD (daughterboard) */ 303 sysbus_create_simple("pl111", 0x10020000, pic[44]); 304 305 /* 0x10060000 AXI RAM */ 306 /* 0x100e0000 PL341 Dynamic Memory Controller */ 307 /* 0x100e1000 PL354 Static Memory Controller */ 308 /* 0x100e2000 System Configuration Controller */ 309 310 sysbus_create_simple("sp804", 0x100e4000, pic[48]); 311 /* 0x100e5000 SP805 Watchdog module */ 312 /* 0x100e6000 BP147 TrustZone Protection Controller */ 313 /* 0x100e9000 PL301 'Fast' AXI matrix */ 314 /* 0x100ea000 PL301 'Slow' AXI matrix */ 315 /* 0x100ec000 TrustZone Address Space Controller */ 316 /* 0x10200000 CoreSight debug APB */ 317 /* 0x1e00a000 PL310 L2 Cache Controller */ 318 sysbus_create_varargs("l2x0", 0x1e00a000, NULL); 319 } 320 321 /* Voltage values for SYS_CFG_VOLT daughterboard registers; 322 * values are in microvolts. 323 */ 324 static const uint32_t a9_voltages[] = { 325 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ 326 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ 327 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ 328 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ 329 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ 330 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ 331 }; 332 333 /* Reset values for daughterboard oscillators (in Hz) */ 334 static const uint32_t a9_clocks[] = { 335 45000000, /* AMBA AXI ACLK: 45MHz */ 336 23750000, /* daughterboard CLCD clock: 23.75MHz */ 337 66670000, /* Test chip reference clock: 66.67MHz */ 338 }; 339 340 static VEDBoardInfo a9_daughterboard = { 341 .motherboard_map = motherboard_legacy_map, 342 .loader_start = 0x60000000, 343 .gic_cpu_if_addr = 0x1e000100, 344 .proc_id = 0x0c000191, 345 .num_voltage_sensors = ARRAY_SIZE(a9_voltages), 346 .voltages = a9_voltages, 347 .num_clocks = ARRAY_SIZE(a9_clocks), 348 .clocks = a9_clocks, 349 .init = a9_daughterboard_init, 350 }; 351 352 static void a15_daughterboard_init(const VexpressMachineState *vms, 353 ram_addr_t ram_size, 354 const char *cpu_type, 355 qemu_irq *pic) 356 { 357 MachineState *machine = MACHINE(vms); 358 MemoryRegion *sysmem = get_system_memory(); 359 MemoryRegion *sram = g_new(MemoryRegion, 1); 360 361 { 362 /* We have to use a separate 64 bit variable here to avoid the gcc 363 * "comparison is always false due to limited range of data type" 364 * warning if we are on a host where ram_addr_t is 32 bits. 365 */ 366 uint64_t rsz = ram_size; 367 if (rsz > (30ULL * 1024 * 1024 * 1024)) { 368 error_report("vexpress-a15: cannot model more than 30GB RAM"); 369 exit(1); 370 } 371 } 372 373 /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ 374 memory_region_add_subregion(sysmem, 0x80000000, machine->ram); 375 376 /* 0x2c000000 A15MPCore private memory region (GIC) */ 377 init_cpus(machine, cpu_type, TYPE_A15MPCORE_PRIV, 378 0x2c000000, pic, vms->secure, vms->virt); 379 380 /* A15 daughterboard peripherals: */ 381 382 /* 0x20000000: CoreSight interfaces: not modelled */ 383 /* 0x2a000000: PL301 AXI interconnect: not modelled */ 384 /* 0x2a420000: SCC: not modelled */ 385 /* 0x2a430000: system counter: not modelled */ 386 /* 0x2b000000: HDLCD controller: not modelled */ 387 /* 0x2b060000: SP805 watchdog: not modelled */ 388 /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ 389 /* 0x2e000000: system SRAM */ 390 memory_region_init_ram(sram, NULL, "vexpress.a15sram", 0x10000, 391 &error_fatal); 392 memory_region_add_subregion(sysmem, 0x2e000000, sram); 393 394 /* 0x7ffb0000: DMA330 DMA controller: not modelled */ 395 /* 0x7ffd0000: PL354 static memory controller: not modelled */ 396 } 397 398 static const uint32_t a15_voltages[] = { 399 900000, /* Vcore: 0.9V : CPU core voltage */ 400 }; 401 402 static const uint32_t a15_clocks[] = { 403 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */ 404 0, /* OSCCLK1: reserved */ 405 0, /* OSCCLK2: reserved */ 406 0, /* OSCCLK3: reserved */ 407 40000000, /* OSCCLK4: 40MHz : external AXI master clock */ 408 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */ 409 50000000, /* OSCCLK6: 50MHz : static memory controller clock */ 410 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */ 411 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */ 412 }; 413 414 static VEDBoardInfo a15_daughterboard = { 415 .motherboard_map = motherboard_aseries_map, 416 .loader_start = 0x80000000, 417 .gic_cpu_if_addr = 0x2c002000, 418 .proc_id = 0x14000237, 419 .num_voltage_sensors = ARRAY_SIZE(a15_voltages), 420 .voltages = a15_voltages, 421 .num_clocks = ARRAY_SIZE(a15_clocks), 422 .clocks = a15_clocks, 423 .init = a15_daughterboard_init, 424 }; 425 426 static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells, 427 hwaddr addr, hwaddr size, uint32_t intc, 428 int irq) 429 { 430 /* Add a virtio_mmio node to the device tree blob: 431 * virtio_mmio@ADDRESS { 432 * compatible = "virtio,mmio"; 433 * reg = <ADDRESS, SIZE>; 434 * interrupt-parent = <&intc>; 435 * interrupts = <0, irq, 1>; 436 * } 437 * (Note that the format of the interrupts property is dependent on the 438 * interrupt controller that interrupt-parent points to; these are for 439 * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.) 440 */ 441 int rc; 442 char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr); 443 444 rc = qemu_fdt_add_subnode(fdt, nodename); 445 rc |= qemu_fdt_setprop_string(fdt, nodename, 446 "compatible", "virtio,mmio"); 447 rc |= qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", 448 acells, addr, scells, size); 449 qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", intc); 450 qemu_fdt_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1); 451 qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0); 452 g_free(nodename); 453 if (rc) { 454 return -1; 455 } 456 return 0; 457 } 458 459 static uint32_t find_int_controller(void *fdt) 460 { 461 /* Find the FDT node corresponding to the interrupt controller 462 * for virtio-mmio devices. We do this by scanning the fdt for 463 * a node with the right compatibility, since we know there is 464 * only one GIC on a vexpress board. 465 * We return the phandle of the node, or 0 if none was found. 466 */ 467 const char *compat = "arm,cortex-a9-gic"; 468 int offset; 469 470 offset = fdt_node_offset_by_compatible(fdt, -1, compat); 471 if (offset >= 0) { 472 return fdt_get_phandle(fdt, offset); 473 } 474 return 0; 475 } 476 477 static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt) 478 { 479 uint32_t acells, scells, intc; 480 const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info; 481 482 acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells", 483 NULL, &error_fatal); 484 scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells", 485 NULL, &error_fatal); 486 intc = find_int_controller(fdt); 487 if (!intc) { 488 /* Not fatal, we just won't provide virtio. This will 489 * happen with older device tree blobs. 490 */ 491 warn_report("couldn't find interrupt controller in " 492 "dtb; will not include virtio-mmio devices in the dtb"); 493 } else { 494 int i; 495 const hwaddr *map = daughterboard->motherboard_map; 496 497 /* We iterate backwards here because adding nodes 498 * to the dtb puts them in last-first. 499 */ 500 for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) { 501 add_virtio_mmio_node(fdt, acells, scells, 502 map[VE_VIRTIO] + 0x200 * i, 503 0x200, intc, 40 + i); 504 } 505 } 506 } 507 508 509 /* Open code a private version of pflash registration since we 510 * need to set non-default device width for VExpress platform. 511 */ 512 static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name, 513 DriveInfo *di) 514 { 515 DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); 516 517 if (di) { 518 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di)); 519 } 520 521 qdev_prop_set_uint32(dev, "num-blocks", 522 VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE); 523 qdev_prop_set_uint64(dev, "sector-length", VEXPRESS_FLASH_SECT_SIZE); 524 qdev_prop_set_uint8(dev, "width", 4); 525 qdev_prop_set_uint8(dev, "device-width", 2); 526 qdev_prop_set_bit(dev, "big-endian", false); 527 qdev_prop_set_uint16(dev, "id0", 0x89); 528 qdev_prop_set_uint16(dev, "id1", 0x18); 529 qdev_prop_set_uint16(dev, "id2", 0x00); 530 qdev_prop_set_uint16(dev, "id3", 0x00); 531 qdev_prop_set_string(dev, "name", name); 532 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 533 534 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); 535 return PFLASH_CFI01(dev); 536 } 537 538 static void vexpress_common_init(MachineState *machine) 539 { 540 VexpressMachineState *vms = VEXPRESS_MACHINE(machine); 541 VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine); 542 VEDBoardInfo *daughterboard = vmc->daughterboard; 543 DeviceState *dev, *sysctl, *pl041; 544 qemu_irq pic[64]; 545 uint32_t sys_id; 546 DriveInfo *dinfo; 547 PFlashCFI01 *pflash0; 548 I2CBus *i2c; 549 ram_addr_t vram_size, sram_size; 550 MemoryRegion *sysmem = get_system_memory(); 551 MemoryRegion *vram = g_new(MemoryRegion, 1); 552 MemoryRegion *sram = g_new(MemoryRegion, 1); 553 MemoryRegion *flashalias = g_new(MemoryRegion, 1); 554 MemoryRegion *flash0mem; 555 const hwaddr *map = daughterboard->motherboard_map; 556 int i; 557 558 daughterboard->init(vms, machine->ram_size, machine->cpu_type, pic); 559 560 /* 561 * If a bios file was provided, attempt to map it into memory 562 */ 563 if (machine->firmware) { 564 char *fn; 565 int image_size; 566 567 if (drive_get(IF_PFLASH, 0, 0)) { 568 error_report("The contents of the first flash device may be " 569 "specified with -bios or with -drive if=pflash... " 570 "but you cannot use both options at once"); 571 exit(1); 572 } 573 fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, machine->firmware); 574 if (!fn) { 575 error_report("Could not find ROM image '%s'", machine->firmware); 576 exit(1); 577 } 578 image_size = load_image_targphys(fn, map[VE_NORFLASH0], 579 VEXPRESS_FLASH_SIZE); 580 g_free(fn); 581 if (image_size < 0) { 582 error_report("Could not load ROM image '%s'", machine->firmware); 583 exit(1); 584 } 585 } 586 587 /* Motherboard peripherals: the wiring is the same but the 588 * addresses vary between the legacy and A-Series memory maps. 589 */ 590 591 sys_id = 0x1190f500; 592 593 sysctl = qdev_new("realview_sysctl"); 594 qdev_prop_set_uint32(sysctl, "sys_id", sys_id); 595 qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); 596 qdev_prop_set_uint32(sysctl, "len-db-voltage", 597 daughterboard->num_voltage_sensors); 598 for (i = 0; i < daughterboard->num_voltage_sensors; i++) { 599 char *propname = g_strdup_printf("db-voltage[%d]", i); 600 qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]); 601 g_free(propname); 602 } 603 qdev_prop_set_uint32(sysctl, "len-db-clock", 604 daughterboard->num_clocks); 605 for (i = 0; i < daughterboard->num_clocks; i++) { 606 char *propname = g_strdup_printf("db-clock[%d]", i); 607 qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]); 608 g_free(propname); 609 } 610 sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal); 611 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); 612 613 /* VE_SP810: not modelled */ 614 /* VE_SERIALPCI: not modelled */ 615 616 pl041 = qdev_new("pl041"); 617 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); 618 sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal); 619 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]); 620 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]); 621 622 dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); 623 /* Wire up MMC card detect and read-only signals */ 624 qdev_connect_gpio_out_named(dev, "card-read-only", 0, 625 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); 626 qdev_connect_gpio_out_named(dev, "card-inserted", 0, 627 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); 628 dinfo = drive_get_next(IF_SD); 629 if (dinfo) { 630 DeviceState *card; 631 632 card = qdev_new(TYPE_SD_CARD); 633 qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo), 634 &error_fatal); 635 qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"), 636 &error_fatal); 637 } 638 639 sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); 640 sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); 641 642 pl011_create(map[VE_UART0], pic[5], serial_hd(0)); 643 pl011_create(map[VE_UART1], pic[6], serial_hd(1)); 644 pl011_create(map[VE_UART2], pic[7], serial_hd(2)); 645 pl011_create(map[VE_UART3], pic[8], serial_hd(3)); 646 647 sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); 648 sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); 649 650 dev = sysbus_create_simple(TYPE_VERSATILE_I2C, map[VE_SERIALDVI], NULL); 651 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); 652 i2c_slave_create_simple(i2c, "sii9022", 0x39); 653 654 sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ 655 656 /* VE_COMPACTFLASH: not modelled */ 657 658 sysbus_create_simple("pl111", map[VE_CLCD], pic[14]); 659 660 dinfo = drive_get_next(IF_PFLASH); 661 pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0", 662 dinfo); 663 if (!pflash0) { 664 error_report("vexpress: error registering flash 0"); 665 exit(1); 666 } 667 668 if (map[VE_NORFLASHALIAS] != -1) { 669 /* Map flash 0 as an alias into low memory */ 670 flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0); 671 memory_region_init_alias(flashalias, NULL, "vexpress.flashalias", 672 flash0mem, 0, VEXPRESS_FLASH_SIZE); 673 memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias); 674 } 675 676 dinfo = drive_get_next(IF_PFLASH); 677 if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1", 678 dinfo)) { 679 error_report("vexpress: error registering flash 1"); 680 exit(1); 681 } 682 683 sram_size = 0x2000000; 684 memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size, 685 &error_fatal); 686 memory_region_add_subregion(sysmem, map[VE_SRAM], sram); 687 688 vram_size = 0x800000; 689 memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size, 690 &error_fatal); 691 memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); 692 693 /* 0x4e000000 LAN9118 Ethernet */ 694 if (nd_table[0].used) { 695 lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); 696 } 697 698 /* VE_USB: not modelled */ 699 700 /* VE_DAPROM: not modelled */ 701 702 /* Create mmio transports, so the user can create virtio backends 703 * (which will be automatically plugged in to the transports). If 704 * no backend is created the transport will just sit harmlessly idle. 705 */ 706 for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) { 707 sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i, 708 pic[40 + i]); 709 } 710 711 daughterboard->bootinfo.ram_size = machine->ram_size; 712 daughterboard->bootinfo.nb_cpus = machine->smp.cpus; 713 daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; 714 daughterboard->bootinfo.loader_start = daughterboard->loader_start; 715 daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; 716 daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; 717 daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; 718 daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb; 719 /* When booting Linux we should be in secure state if the CPU has one. */ 720 daughterboard->bootinfo.secure_boot = vms->secure; 721 arm_load_kernel(ARM_CPU(first_cpu), machine, &daughterboard->bootinfo); 722 } 723 724 static bool vexpress_get_secure(Object *obj, Error **errp) 725 { 726 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 727 728 return vms->secure; 729 } 730 731 static void vexpress_set_secure(Object *obj, bool value, Error **errp) 732 { 733 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 734 735 vms->secure = value; 736 } 737 738 static bool vexpress_get_virt(Object *obj, Error **errp) 739 { 740 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 741 742 return vms->virt; 743 } 744 745 static void vexpress_set_virt(Object *obj, bool value, Error **errp) 746 { 747 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 748 749 vms->virt = value; 750 } 751 752 static void vexpress_instance_init(Object *obj) 753 { 754 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 755 756 /* EL3 is enabled by default on vexpress */ 757 vms->secure = true; 758 } 759 760 static void vexpress_a15_instance_init(Object *obj) 761 { 762 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 763 764 /* 765 * For the vexpress-a15, EL2 is by default enabled if EL3 is, 766 * but can also be specifically set to on or off. 767 */ 768 vms->virt = true; 769 } 770 771 static void vexpress_a9_instance_init(Object *obj) 772 { 773 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 774 775 /* The A9 doesn't have the virt extensions */ 776 vms->virt = false; 777 } 778 779 static void vexpress_class_init(ObjectClass *oc, void *data) 780 { 781 MachineClass *mc = MACHINE_CLASS(oc); 782 783 mc->desc = "ARM Versatile Express"; 784 mc->init = vexpress_common_init; 785 mc->max_cpus = 4; 786 mc->ignore_memory_transaction_failures = true; 787 mc->default_ram_id = "vexpress.highmem"; 788 789 object_class_property_add_bool(oc, "secure", vexpress_get_secure, 790 vexpress_set_secure); 791 object_class_property_set_description(oc, "secure", 792 "Set on/off to enable/disable the ARM " 793 "Security Extensions (TrustZone)"); 794 } 795 796 static void vexpress_a9_class_init(ObjectClass *oc, void *data) 797 { 798 MachineClass *mc = MACHINE_CLASS(oc); 799 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 800 801 mc->desc = "ARM Versatile Express for Cortex-A9"; 802 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); 803 804 vmc->daughterboard = &a9_daughterboard; 805 } 806 807 static void vexpress_a15_class_init(ObjectClass *oc, void *data) 808 { 809 MachineClass *mc = MACHINE_CLASS(oc); 810 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 811 812 mc->desc = "ARM Versatile Express for Cortex-A15"; 813 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a15"); 814 815 vmc->daughterboard = &a15_daughterboard; 816 817 object_class_property_add_bool(oc, "virtualization", vexpress_get_virt, 818 vexpress_set_virt); 819 object_class_property_set_description(oc, "virtualization", 820 "Set on/off to enable/disable the ARM " 821 "Virtualization Extensions " 822 "(defaults to same as 'secure')"); 823 824 } 825 826 static const TypeInfo vexpress_info = { 827 .name = TYPE_VEXPRESS_MACHINE, 828 .parent = TYPE_MACHINE, 829 .abstract = true, 830 .instance_size = sizeof(VexpressMachineState), 831 .instance_init = vexpress_instance_init, 832 .class_size = sizeof(VexpressMachineClass), 833 .class_init = vexpress_class_init, 834 }; 835 836 static const TypeInfo vexpress_a9_info = { 837 .name = TYPE_VEXPRESS_A9_MACHINE, 838 .parent = TYPE_VEXPRESS_MACHINE, 839 .class_init = vexpress_a9_class_init, 840 .instance_init = vexpress_a9_instance_init, 841 }; 842 843 static const TypeInfo vexpress_a15_info = { 844 .name = TYPE_VEXPRESS_A15_MACHINE, 845 .parent = TYPE_VEXPRESS_MACHINE, 846 .class_init = vexpress_a15_class_init, 847 .instance_init = vexpress_a15_instance_init, 848 }; 849 850 static void vexpress_machine_init(void) 851 { 852 type_register_static(&vexpress_info); 853 type_register_static(&vexpress_a9_info); 854 type_register_static(&vexpress_a15_info); 855 } 856 857 type_init(vexpress_machine_init); 858