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 "cpu.h" 28 #include "hw/sysbus.h" 29 #include "hw/arm/boot.h" 30 #include "hw/arm/primecell.h" 31 #include "hw/net/lan9118.h" 32 #include "hw/i2c/i2c.h" 33 #include "net/net.h" 34 #include "sysemu/sysemu.h" 35 #include "hw/boards.h" 36 #include "hw/loader.h" 37 #include "exec/address-spaces.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 48 #define VEXPRESS_BOARD_ID 0x8e0 49 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) 50 #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) 51 52 /* Number of virtio transports to create (0..8; limited by 53 * number of available IRQ lines). 54 */ 55 #define NUM_VIRTIO_TRANSPORTS 4 56 57 /* Address maps for peripherals: 58 * the Versatile Express motherboard has two possible maps, 59 * the "legacy" one (used for A9) and the "Cortex-A Series" 60 * map (used for newer cores). 61 * Individual daughterboards can also have different maps for 62 * their peripherals. 63 */ 64 65 enum { 66 VE_SYSREGS, 67 VE_SP810, 68 VE_SERIALPCI, 69 VE_PL041, 70 VE_MMCI, 71 VE_KMI0, 72 VE_KMI1, 73 VE_UART0, 74 VE_UART1, 75 VE_UART2, 76 VE_UART3, 77 VE_WDT, 78 VE_TIMER01, 79 VE_TIMER23, 80 VE_SERIALDVI, 81 VE_RTC, 82 VE_COMPACTFLASH, 83 VE_CLCD, 84 VE_NORFLASH0, 85 VE_NORFLASH1, 86 VE_NORFLASHALIAS, 87 VE_SRAM, 88 VE_VIDEORAM, 89 VE_ETHERNET, 90 VE_USB, 91 VE_DAPROM, 92 VE_VIRTIO, 93 }; 94 95 static hwaddr motherboard_legacy_map[] = { 96 [VE_NORFLASHALIAS] = 0, 97 /* CS7: 0x10000000 .. 0x10020000 */ 98 [VE_SYSREGS] = 0x10000000, 99 [VE_SP810] = 0x10001000, 100 [VE_SERIALPCI] = 0x10002000, 101 [VE_PL041] = 0x10004000, 102 [VE_MMCI] = 0x10005000, 103 [VE_KMI0] = 0x10006000, 104 [VE_KMI1] = 0x10007000, 105 [VE_UART0] = 0x10009000, 106 [VE_UART1] = 0x1000a000, 107 [VE_UART2] = 0x1000b000, 108 [VE_UART3] = 0x1000c000, 109 [VE_WDT] = 0x1000f000, 110 [VE_TIMER01] = 0x10011000, 111 [VE_TIMER23] = 0x10012000, 112 [VE_VIRTIO] = 0x10013000, 113 [VE_SERIALDVI] = 0x10016000, 114 [VE_RTC] = 0x10017000, 115 [VE_COMPACTFLASH] = 0x1001a000, 116 [VE_CLCD] = 0x1001f000, 117 /* CS0: 0x40000000 .. 0x44000000 */ 118 [VE_NORFLASH0] = 0x40000000, 119 /* CS1: 0x44000000 .. 0x48000000 */ 120 [VE_NORFLASH1] = 0x44000000, 121 /* CS2: 0x48000000 .. 0x4a000000 */ 122 [VE_SRAM] = 0x48000000, 123 /* CS3: 0x4c000000 .. 0x50000000 */ 124 [VE_VIDEORAM] = 0x4c000000, 125 [VE_ETHERNET] = 0x4e000000, 126 [VE_USB] = 0x4f000000, 127 }; 128 129 static hwaddr motherboard_aseries_map[] = { 130 [VE_NORFLASHALIAS] = 0, 131 /* CS0: 0x08000000 .. 0x0c000000 */ 132 [VE_NORFLASH0] = 0x08000000, 133 /* CS4: 0x0c000000 .. 0x10000000 */ 134 [VE_NORFLASH1] = 0x0c000000, 135 /* CS5: 0x10000000 .. 0x14000000 */ 136 /* CS1: 0x14000000 .. 0x18000000 */ 137 [VE_SRAM] = 0x14000000, 138 /* CS2: 0x18000000 .. 0x1c000000 */ 139 [VE_VIDEORAM] = 0x18000000, 140 [VE_ETHERNET] = 0x1a000000, 141 [VE_USB] = 0x1b000000, 142 /* CS3: 0x1c000000 .. 0x20000000 */ 143 [VE_DAPROM] = 0x1c000000, 144 [VE_SYSREGS] = 0x1c010000, 145 [VE_SP810] = 0x1c020000, 146 [VE_SERIALPCI] = 0x1c030000, 147 [VE_PL041] = 0x1c040000, 148 [VE_MMCI] = 0x1c050000, 149 [VE_KMI0] = 0x1c060000, 150 [VE_KMI1] = 0x1c070000, 151 [VE_UART0] = 0x1c090000, 152 [VE_UART1] = 0x1c0a0000, 153 [VE_UART2] = 0x1c0b0000, 154 [VE_UART3] = 0x1c0c0000, 155 [VE_WDT] = 0x1c0f0000, 156 [VE_TIMER01] = 0x1c110000, 157 [VE_TIMER23] = 0x1c120000, 158 [VE_VIRTIO] = 0x1c130000, 159 [VE_SERIALDVI] = 0x1c160000, 160 [VE_RTC] = 0x1c170000, 161 [VE_COMPACTFLASH] = 0x1c1a0000, 162 [VE_CLCD] = 0x1c1f0000, 163 }; 164 165 /* Structure defining the peculiarities of a specific daughterboard */ 166 167 typedef struct VEDBoardInfo VEDBoardInfo; 168 169 typedef struct { 170 MachineClass parent; 171 VEDBoardInfo *daughterboard; 172 } VexpressMachineClass; 173 174 typedef struct { 175 MachineState parent; 176 bool secure; 177 bool virt; 178 } VexpressMachineState; 179 180 #define TYPE_VEXPRESS_MACHINE "vexpress" 181 #define TYPE_VEXPRESS_A9_MACHINE MACHINE_TYPE_NAME("vexpress-a9") 182 #define TYPE_VEXPRESS_A15_MACHINE MACHINE_TYPE_NAME("vexpress-a15") 183 #define VEXPRESS_MACHINE(obj) \ 184 OBJECT_CHECK(VexpressMachineState, (obj), TYPE_VEXPRESS_MACHINE) 185 #define VEXPRESS_MACHINE_GET_CLASS(obj) \ 186 OBJECT_GET_CLASS(VexpressMachineClass, obj, TYPE_VEXPRESS_MACHINE) 187 #define VEXPRESS_MACHINE_CLASS(klass) \ 188 OBJECT_CLASS_CHECK(VexpressMachineClass, klass, TYPE_VEXPRESS_MACHINE) 189 190 typedef void DBoardInitFn(const VexpressMachineState *machine, 191 ram_addr_t ram_size, 192 const char *cpu_type, 193 qemu_irq *pic); 194 195 struct VEDBoardInfo { 196 struct arm_boot_info bootinfo; 197 const hwaddr *motherboard_map; 198 hwaddr loader_start; 199 const hwaddr gic_cpu_if_addr; 200 uint32_t proc_id; 201 uint32_t num_voltage_sensors; 202 const uint32_t *voltages; 203 uint32_t num_clocks; 204 const uint32_t *clocks; 205 DBoardInitFn *init; 206 }; 207 208 static void init_cpus(MachineState *ms, const char *cpu_type, 209 const char *privdev, hwaddr periphbase, 210 qemu_irq *pic, bool secure, bool virt) 211 { 212 DeviceState *dev; 213 SysBusDevice *busdev; 214 int n; 215 unsigned int smp_cpus = ms->smp.cpus; 216 217 /* Create the actual CPUs */ 218 for (n = 0; n < smp_cpus; n++) { 219 Object *cpuobj = object_new(cpu_type); 220 221 if (!secure) { 222 object_property_set_bool(cpuobj, "has_el3", false, NULL); 223 } 224 if (!virt) { 225 if (object_property_find(cpuobj, "has_el2", NULL)) { 226 object_property_set_bool(cpuobj, "has_el2", false, NULL); 227 } 228 } 229 230 if (object_property_find(cpuobj, "reset-cbar", NULL)) { 231 object_property_set_int(cpuobj, "reset-cbar", periphbase, 232 &error_abort); 233 } 234 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); 235 } 236 237 /* Create the private peripheral devices (including the GIC); 238 * this must happen after the CPUs are created because a15mpcore_priv 239 * wires itself up to the CPU's generic_timer gpio out lines. 240 */ 241 dev = qdev_new(privdev); 242 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 243 busdev = SYS_BUS_DEVICE(dev); 244 sysbus_realize_and_unref(busdev, &error_fatal); 245 sysbus_mmio_map(busdev, 0, periphbase); 246 247 /* Interrupts [42:0] are from the motherboard; 248 * [47:43] are reserved; [63:48] are daughterboard 249 * peripherals. Note that some documentation numbers 250 * external interrupts starting from 32 (because there 251 * are internal interrupts 0..31). 252 */ 253 for (n = 0; n < 64; n++) { 254 pic[n] = qdev_get_gpio_in(dev, n); 255 } 256 257 /* Connect the CPUs to the GIC */ 258 for (n = 0; n < smp_cpus; n++) { 259 DeviceState *cpudev = DEVICE(qemu_get_cpu(n)); 260 261 sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); 262 sysbus_connect_irq(busdev, n + smp_cpus, 263 qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); 264 sysbus_connect_irq(busdev, n + 2 * smp_cpus, 265 qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); 266 sysbus_connect_irq(busdev, n + 3 * smp_cpus, 267 qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); 268 } 269 } 270 271 static void a9_daughterboard_init(const VexpressMachineState *vms, 272 ram_addr_t ram_size, 273 const char *cpu_type, 274 qemu_irq *pic) 275 { 276 MachineState *machine = MACHINE(vms); 277 MemoryRegion *sysmem = get_system_memory(); 278 MemoryRegion *lowram = g_new(MemoryRegion, 1); 279 ram_addr_t low_ram_size; 280 281 if (ram_size > 0x40000000) { 282 /* 1GB is the maximum the address space permits */ 283 error_report("vexpress-a9: cannot model more than 1GB RAM"); 284 exit(1); 285 } 286 287 low_ram_size = ram_size; 288 if (low_ram_size > 0x4000000) { 289 low_ram_size = 0x4000000; 290 } 291 /* RAM is from 0x60000000 upwards. The bottom 64MB of the 292 * address space should in theory be remappable to various 293 * things including ROM or RAM; we always map the RAM there. 294 */ 295 memory_region_init_alias(lowram, NULL, "vexpress.lowmem", machine->ram, 296 0, low_ram_size); 297 memory_region_add_subregion(sysmem, 0x0, lowram); 298 memory_region_add_subregion(sysmem, 0x60000000, machine->ram); 299 300 /* 0x1e000000 A9MPCore (SCU) private memory region */ 301 init_cpus(machine, cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, 302 vms->secure, vms->virt); 303 304 /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ 305 306 /* 0x10020000 PL111 CLCD (daughterboard) */ 307 sysbus_create_simple("pl111", 0x10020000, pic[44]); 308 309 /* 0x10060000 AXI RAM */ 310 /* 0x100e0000 PL341 Dynamic Memory Controller */ 311 /* 0x100e1000 PL354 Static Memory Controller */ 312 /* 0x100e2000 System Configuration Controller */ 313 314 sysbus_create_simple("sp804", 0x100e4000, pic[48]); 315 /* 0x100e5000 SP805 Watchdog module */ 316 /* 0x100e6000 BP147 TrustZone Protection Controller */ 317 /* 0x100e9000 PL301 'Fast' AXI matrix */ 318 /* 0x100ea000 PL301 'Slow' AXI matrix */ 319 /* 0x100ec000 TrustZone Address Space Controller */ 320 /* 0x10200000 CoreSight debug APB */ 321 /* 0x1e00a000 PL310 L2 Cache Controller */ 322 sysbus_create_varargs("l2x0", 0x1e00a000, NULL); 323 } 324 325 /* Voltage values for SYS_CFG_VOLT daughterboard registers; 326 * values are in microvolts. 327 */ 328 static const uint32_t a9_voltages[] = { 329 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ 330 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ 331 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ 332 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ 333 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ 334 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ 335 }; 336 337 /* Reset values for daughterboard oscillators (in Hz) */ 338 static const uint32_t a9_clocks[] = { 339 45000000, /* AMBA AXI ACLK: 45MHz */ 340 23750000, /* daughterboard CLCD clock: 23.75MHz */ 341 66670000, /* Test chip reference clock: 66.67MHz */ 342 }; 343 344 static VEDBoardInfo a9_daughterboard = { 345 .motherboard_map = motherboard_legacy_map, 346 .loader_start = 0x60000000, 347 .gic_cpu_if_addr = 0x1e000100, 348 .proc_id = 0x0c000191, 349 .num_voltage_sensors = ARRAY_SIZE(a9_voltages), 350 .voltages = a9_voltages, 351 .num_clocks = ARRAY_SIZE(a9_clocks), 352 .clocks = a9_clocks, 353 .init = a9_daughterboard_init, 354 }; 355 356 static void a15_daughterboard_init(const VexpressMachineState *vms, 357 ram_addr_t ram_size, 358 const char *cpu_type, 359 qemu_irq *pic) 360 { 361 MachineState *machine = MACHINE(vms); 362 MemoryRegion *sysmem = get_system_memory(); 363 MemoryRegion *sram = g_new(MemoryRegion, 1); 364 365 { 366 /* We have to use a separate 64 bit variable here to avoid the gcc 367 * "comparison is always false due to limited range of data type" 368 * warning if we are on a host where ram_addr_t is 32 bits. 369 */ 370 uint64_t rsz = ram_size; 371 if (rsz > (30ULL * 1024 * 1024 * 1024)) { 372 error_report("vexpress-a15: cannot model more than 30GB RAM"); 373 exit(1); 374 } 375 } 376 377 /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ 378 memory_region_add_subregion(sysmem, 0x80000000, machine->ram); 379 380 /* 0x2c000000 A15MPCore private memory region (GIC) */ 381 init_cpus(machine, cpu_type, TYPE_A15MPCORE_PRIV, 382 0x2c000000, pic, vms->secure, vms->virt); 383 384 /* A15 daughterboard peripherals: */ 385 386 /* 0x20000000: CoreSight interfaces: not modelled */ 387 /* 0x2a000000: PL301 AXI interconnect: not modelled */ 388 /* 0x2a420000: SCC: not modelled */ 389 /* 0x2a430000: system counter: not modelled */ 390 /* 0x2b000000: HDLCD controller: not modelled */ 391 /* 0x2b060000: SP805 watchdog: not modelled */ 392 /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ 393 /* 0x2e000000: system SRAM */ 394 memory_region_init_ram(sram, NULL, "vexpress.a15sram", 0x10000, 395 &error_fatal); 396 memory_region_add_subregion(sysmem, 0x2e000000, sram); 397 398 /* 0x7ffb0000: DMA330 DMA controller: not modelled */ 399 /* 0x7ffd0000: PL354 static memory controller: not modelled */ 400 } 401 402 static const uint32_t a15_voltages[] = { 403 900000, /* Vcore: 0.9V : CPU core voltage */ 404 }; 405 406 static const uint32_t a15_clocks[] = { 407 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */ 408 0, /* OSCCLK1: reserved */ 409 0, /* OSCCLK2: reserved */ 410 0, /* OSCCLK3: reserved */ 411 40000000, /* OSCCLK4: 40MHz : external AXI master clock */ 412 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */ 413 50000000, /* OSCCLK6: 50MHz : static memory controller clock */ 414 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */ 415 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */ 416 }; 417 418 static VEDBoardInfo a15_daughterboard = { 419 .motherboard_map = motherboard_aseries_map, 420 .loader_start = 0x80000000, 421 .gic_cpu_if_addr = 0x2c002000, 422 .proc_id = 0x14000237, 423 .num_voltage_sensors = ARRAY_SIZE(a15_voltages), 424 .voltages = a15_voltages, 425 .num_clocks = ARRAY_SIZE(a15_clocks), 426 .clocks = a15_clocks, 427 .init = a15_daughterboard_init, 428 }; 429 430 static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells, 431 hwaddr addr, hwaddr size, uint32_t intc, 432 int irq) 433 { 434 /* Add a virtio_mmio node to the device tree blob: 435 * virtio_mmio@ADDRESS { 436 * compatible = "virtio,mmio"; 437 * reg = <ADDRESS, SIZE>; 438 * interrupt-parent = <&intc>; 439 * interrupts = <0, irq, 1>; 440 * } 441 * (Note that the format of the interrupts property is dependent on the 442 * interrupt controller that interrupt-parent points to; these are for 443 * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.) 444 */ 445 int rc; 446 char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr); 447 448 rc = qemu_fdt_add_subnode(fdt, nodename); 449 rc |= qemu_fdt_setprop_string(fdt, nodename, 450 "compatible", "virtio,mmio"); 451 rc |= qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", 452 acells, addr, scells, size); 453 qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", intc); 454 qemu_fdt_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1); 455 qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0); 456 g_free(nodename); 457 if (rc) { 458 return -1; 459 } 460 return 0; 461 } 462 463 static uint32_t find_int_controller(void *fdt) 464 { 465 /* Find the FDT node corresponding to the interrupt controller 466 * for virtio-mmio devices. We do this by scanning the fdt for 467 * a node with the right compatibility, since we know there is 468 * only one GIC on a vexpress board. 469 * We return the phandle of the node, or 0 if none was found. 470 */ 471 const char *compat = "arm,cortex-a9-gic"; 472 int offset; 473 474 offset = fdt_node_offset_by_compatible(fdt, -1, compat); 475 if (offset >= 0) { 476 return fdt_get_phandle(fdt, offset); 477 } 478 return 0; 479 } 480 481 static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt) 482 { 483 uint32_t acells, scells, intc; 484 const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info; 485 486 acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells", 487 NULL, &error_fatal); 488 scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells", 489 NULL, &error_fatal); 490 intc = find_int_controller(fdt); 491 if (!intc) { 492 /* Not fatal, we just won't provide virtio. This will 493 * happen with older device tree blobs. 494 */ 495 warn_report("couldn't find interrupt controller in " 496 "dtb; will not include virtio-mmio devices in the dtb"); 497 } else { 498 int i; 499 const hwaddr *map = daughterboard->motherboard_map; 500 501 /* We iterate backwards here because adding nodes 502 * to the dtb puts them in last-first. 503 */ 504 for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) { 505 add_virtio_mmio_node(fdt, acells, scells, 506 map[VE_VIRTIO] + 0x200 * i, 507 0x200, intc, 40 + i); 508 } 509 } 510 } 511 512 513 /* Open code a private version of pflash registration since we 514 * need to set non-default device width for VExpress platform. 515 */ 516 static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name, 517 DriveInfo *di) 518 { 519 DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); 520 521 if (di) { 522 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di)); 523 } 524 525 qdev_prop_set_uint32(dev, "num-blocks", 526 VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE); 527 qdev_prop_set_uint64(dev, "sector-length", VEXPRESS_FLASH_SECT_SIZE); 528 qdev_prop_set_uint8(dev, "width", 4); 529 qdev_prop_set_uint8(dev, "device-width", 2); 530 qdev_prop_set_bit(dev, "big-endian", false); 531 qdev_prop_set_uint16(dev, "id0", 0x89); 532 qdev_prop_set_uint16(dev, "id1", 0x18); 533 qdev_prop_set_uint16(dev, "id2", 0x00); 534 qdev_prop_set_uint16(dev, "id3", 0x00); 535 qdev_prop_set_string(dev, "name", name); 536 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 537 538 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); 539 return PFLASH_CFI01(dev); 540 } 541 542 static void vexpress_common_init(MachineState *machine) 543 { 544 VexpressMachineState *vms = VEXPRESS_MACHINE(machine); 545 VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine); 546 VEDBoardInfo *daughterboard = vmc->daughterboard; 547 DeviceState *dev, *sysctl, *pl041; 548 qemu_irq pic[64]; 549 uint32_t sys_id; 550 DriveInfo *dinfo; 551 PFlashCFI01 *pflash0; 552 I2CBus *i2c; 553 ram_addr_t vram_size, sram_size; 554 MemoryRegion *sysmem = get_system_memory(); 555 MemoryRegion *vram = g_new(MemoryRegion, 1); 556 MemoryRegion *sram = g_new(MemoryRegion, 1); 557 MemoryRegion *flashalias = g_new(MemoryRegion, 1); 558 MemoryRegion *flash0mem; 559 const hwaddr *map = daughterboard->motherboard_map; 560 int i; 561 562 daughterboard->init(vms, machine->ram_size, machine->cpu_type, pic); 563 564 /* 565 * If a bios file was provided, attempt to map it into memory 566 */ 567 if (bios_name) { 568 char *fn; 569 int image_size; 570 571 if (drive_get(IF_PFLASH, 0, 0)) { 572 error_report("The contents of the first flash device may be " 573 "specified with -bios or with -drive if=pflash... " 574 "but you cannot use both options at once"); 575 exit(1); 576 } 577 fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 578 if (!fn) { 579 error_report("Could not find ROM image '%s'", bios_name); 580 exit(1); 581 } 582 image_size = load_image_targphys(fn, map[VE_NORFLASH0], 583 VEXPRESS_FLASH_SIZE); 584 g_free(fn); 585 if (image_size < 0) { 586 error_report("Could not load ROM image '%s'", bios_name); 587 exit(1); 588 } 589 } 590 591 /* Motherboard peripherals: the wiring is the same but the 592 * addresses vary between the legacy and A-Series memory maps. 593 */ 594 595 sys_id = 0x1190f500; 596 597 sysctl = qdev_new("realview_sysctl"); 598 qdev_prop_set_uint32(sysctl, "sys_id", sys_id); 599 qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); 600 qdev_prop_set_uint32(sysctl, "len-db-voltage", 601 daughterboard->num_voltage_sensors); 602 for (i = 0; i < daughterboard->num_voltage_sensors; i++) { 603 char *propname = g_strdup_printf("db-voltage[%d]", i); 604 qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]); 605 g_free(propname); 606 } 607 qdev_prop_set_uint32(sysctl, "len-db-clock", 608 daughterboard->num_clocks); 609 for (i = 0; i < daughterboard->num_clocks; i++) { 610 char *propname = g_strdup_printf("db-clock[%d]", i); 611 qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]); 612 g_free(propname); 613 } 614 sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal); 615 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); 616 617 /* VE_SP810: not modelled */ 618 /* VE_SERIALPCI: not modelled */ 619 620 pl041 = qdev_new("pl041"); 621 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); 622 sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal); 623 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]); 624 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]); 625 626 dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); 627 /* Wire up MMC card detect and read-only signals */ 628 qdev_connect_gpio_out_named(dev, "card-read-only", 0, 629 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); 630 qdev_connect_gpio_out_named(dev, "card-inserted", 0, 631 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); 632 dinfo = drive_get_next(IF_SD); 633 if (dinfo) { 634 DeviceState *card; 635 636 card = qdev_new(TYPE_SD_CARD); 637 qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo), 638 &error_fatal); 639 qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"), 640 &error_fatal); 641 } 642 643 sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); 644 sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); 645 646 pl011_create(map[VE_UART0], pic[5], serial_hd(0)); 647 pl011_create(map[VE_UART1], pic[6], serial_hd(1)); 648 pl011_create(map[VE_UART2], pic[7], serial_hd(2)); 649 pl011_create(map[VE_UART3], pic[8], serial_hd(3)); 650 651 sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); 652 sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); 653 654 dev = sysbus_create_simple(TYPE_VERSATILE_I2C, map[VE_SERIALDVI], NULL); 655 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); 656 i2c_slave_create_simple(i2c, "sii9022", 0x39); 657 658 sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ 659 660 /* VE_COMPACTFLASH: not modelled */ 661 662 sysbus_create_simple("pl111", map[VE_CLCD], pic[14]); 663 664 dinfo = drive_get_next(IF_PFLASH); 665 pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0", 666 dinfo); 667 if (!pflash0) { 668 error_report("vexpress: error registering flash 0"); 669 exit(1); 670 } 671 672 if (map[VE_NORFLASHALIAS] != -1) { 673 /* Map flash 0 as an alias into low memory */ 674 flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0); 675 memory_region_init_alias(flashalias, NULL, "vexpress.flashalias", 676 flash0mem, 0, VEXPRESS_FLASH_SIZE); 677 memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias); 678 } 679 680 dinfo = drive_get_next(IF_PFLASH); 681 if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1", 682 dinfo)) { 683 error_report("vexpress: error registering flash 1"); 684 exit(1); 685 } 686 687 sram_size = 0x2000000; 688 memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size, 689 &error_fatal); 690 memory_region_add_subregion(sysmem, map[VE_SRAM], sram); 691 692 vram_size = 0x800000; 693 memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size, 694 &error_fatal); 695 memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); 696 697 /* 0x4e000000 LAN9118 Ethernet */ 698 if (nd_table[0].used) { 699 lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); 700 } 701 702 /* VE_USB: not modelled */ 703 704 /* VE_DAPROM: not modelled */ 705 706 /* Create mmio transports, so the user can create virtio backends 707 * (which will be automatically plugged in to the transports). If 708 * no backend is created the transport will just sit harmlessly idle. 709 */ 710 for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) { 711 sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i, 712 pic[40 + i]); 713 } 714 715 daughterboard->bootinfo.ram_size = machine->ram_size; 716 daughterboard->bootinfo.nb_cpus = machine->smp.cpus; 717 daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; 718 daughterboard->bootinfo.loader_start = daughterboard->loader_start; 719 daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; 720 daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; 721 daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; 722 daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb; 723 /* When booting Linux we should be in secure state if the CPU has one. */ 724 daughterboard->bootinfo.secure_boot = vms->secure; 725 arm_load_kernel(ARM_CPU(first_cpu), machine, &daughterboard->bootinfo); 726 } 727 728 static bool vexpress_get_secure(Object *obj, Error **errp) 729 { 730 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 731 732 return vms->secure; 733 } 734 735 static void vexpress_set_secure(Object *obj, bool value, Error **errp) 736 { 737 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 738 739 vms->secure = value; 740 } 741 742 static bool vexpress_get_virt(Object *obj, Error **errp) 743 { 744 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 745 746 return vms->virt; 747 } 748 749 static void vexpress_set_virt(Object *obj, bool value, Error **errp) 750 { 751 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 752 753 vms->virt = value; 754 } 755 756 static void vexpress_instance_init(Object *obj) 757 { 758 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 759 760 /* EL3 is enabled by default on vexpress */ 761 vms->secure = true; 762 object_property_add_bool(obj, "secure", vexpress_get_secure, 763 vexpress_set_secure); 764 object_property_set_description(obj, "secure", 765 "Set on/off to enable/disable the ARM " 766 "Security Extensions (TrustZone)"); 767 } 768 769 static void vexpress_a15_instance_init(Object *obj) 770 { 771 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 772 773 /* 774 * For the vexpress-a15, EL2 is by default enabled if EL3 is, 775 * but can also be specifically set to on or off. 776 */ 777 vms->virt = true; 778 object_property_add_bool(obj, "virtualization", vexpress_get_virt, 779 vexpress_set_virt); 780 object_property_set_description(obj, "virtualization", 781 "Set on/off to enable/disable the ARM " 782 "Virtualization Extensions " 783 "(defaults to same as 'secure')"); 784 } 785 786 static void vexpress_a9_instance_init(Object *obj) 787 { 788 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 789 790 /* The A9 doesn't have the virt extensions */ 791 vms->virt = false; 792 } 793 794 static void vexpress_class_init(ObjectClass *oc, void *data) 795 { 796 MachineClass *mc = MACHINE_CLASS(oc); 797 798 mc->desc = "ARM Versatile Express"; 799 mc->init = vexpress_common_init; 800 mc->max_cpus = 4; 801 mc->ignore_memory_transaction_failures = true; 802 mc->default_ram_id = "vexpress.highmem"; 803 } 804 805 static void vexpress_a9_class_init(ObjectClass *oc, void *data) 806 { 807 MachineClass *mc = MACHINE_CLASS(oc); 808 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 809 810 mc->desc = "ARM Versatile Express for Cortex-A9"; 811 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); 812 813 vmc->daughterboard = &a9_daughterboard; 814 } 815 816 static void vexpress_a15_class_init(ObjectClass *oc, void *data) 817 { 818 MachineClass *mc = MACHINE_CLASS(oc); 819 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 820 821 mc->desc = "ARM Versatile Express for Cortex-A15"; 822 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a15"); 823 824 vmc->daughterboard = &a15_daughterboard; 825 } 826 827 static const TypeInfo vexpress_info = { 828 .name = TYPE_VEXPRESS_MACHINE, 829 .parent = TYPE_MACHINE, 830 .abstract = true, 831 .instance_size = sizeof(VexpressMachineState), 832 .instance_init = vexpress_instance_init, 833 .class_size = sizeof(VexpressMachineClass), 834 .class_init = vexpress_class_init, 835 }; 836 837 static const TypeInfo vexpress_a9_info = { 838 .name = TYPE_VEXPRESS_A9_MACHINE, 839 .parent = TYPE_VEXPRESS_MACHINE, 840 .class_init = vexpress_a9_class_init, 841 .instance_init = vexpress_a9_instance_init, 842 }; 843 844 static const TypeInfo vexpress_a15_info = { 845 .name = TYPE_VEXPRESS_A15_MACHINE, 846 .parent = TYPE_VEXPRESS_MACHINE, 847 .class_init = vexpress_a15_class_init, 848 .instance_init = vexpress_a15_instance_init, 849 }; 850 851 static void vexpress_machine_init(void) 852 { 853 type_register_static(&vexpress_info); 854 type_register_static(&vexpress_a9_info); 855 type_register_static(&vexpress_a15_info); 856 } 857 858 type_init(vexpress_machine_init); 859