hw/arm/vexpress.c

   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
  47 #define VEXPRESS_BOARD_ID 0x8e0
  48 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
  49 #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024)
  50
  51 /* Number of virtio transports to create (0..8; limited by
  52  * number of available IRQ lines).
  53  */
  54 #define NUM_VIRTIO_TRANSPORTS 4
  55
  56 /* Address maps for peripherals:
  57  * the Versatile Express motherboard has two possible maps,
  58  * the "legacy" one (used for A9) and the "Cortex-A Series"
  59  * map (used for newer cores).
  60  * Individual daughterboards can also have different maps for
  61  * their peripherals.
  62  */
  63
  64 enum {
  65     VE_SYSREGS,
  66     VE_SP810,
  67     VE_SERIALPCI,
  68     VE_PL041,
  69     VE_MMCI,
  70     VE_KMI0,
  71     VE_KMI1,
  72     VE_UART0,
  73     VE_UART1,
  74     VE_UART2,
  75     VE_UART3,
  76     VE_WDT,
  77     VE_TIMER01,
  78     VE_TIMER23,
  79     VE_SERIALDVI,
  80     VE_RTC,
  81     VE_COMPACTFLASH,
  82     VE_CLCD,
  83     VE_NORFLASH0,
  84     VE_NORFLASH1,
  85     VE_NORFLASHALIAS,
  86     VE_SRAM,
  87     VE_VIDEORAM,
  88     VE_ETHERNET,
  89     VE_USB,
  90     VE_DAPROM,
  91     VE_VIRTIO,
  92 };
  93
  94 static hwaddr motherboard_legacy_map[] = {
  95     [VE_NORFLASHALIAS] = 0,
  96     /* CS7: 0x10000000 .. 0x10020000 */
  97     [VE_SYSREGS] = 0x10000000,
  98     [VE_SP810] = 0x10001000,
  99     [VE_SERIALPCI] = 0x10002000,
 100     [VE_PL041] = 0x10004000,
 101     [VE_MMCI] = 0x10005000,
 102     [VE_KMI0] = 0x10006000,
 103     [VE_KMI1] = 0x10007000,
 104     [VE_UART0] = 0x10009000,
 105     [VE_UART1] = 0x1000a000,
 106     [VE_UART2] = 0x1000b000,
 107     [VE_UART3] = 0x1000c000,
 108     [VE_WDT] = 0x1000f000,
 109     [VE_TIMER01] = 0x10011000,
 110     [VE_TIMER23] = 0x10012000,
 111     [VE_VIRTIO] = 0x10013000,
 112     [VE_SERIALDVI] = 0x10016000,
 113     [VE_RTC] = 0x10017000,
 114     [VE_COMPACTFLASH] = 0x1001a000,
 115     [VE_CLCD] = 0x1001f000,
 116     /* CS0: 0x40000000 .. 0x44000000 */
 117     [VE_NORFLASH0] = 0x40000000,
 118     /* CS1: 0x44000000 .. 0x48000000 */
 119     [VE_NORFLASH1] = 0x44000000,
 120     /* CS2: 0x48000000 .. 0x4a000000 */
 121     [VE_SRAM] = 0x48000000,
 122     /* CS3: 0x4c000000 .. 0x50000000 */
 123     [VE_VIDEORAM] = 0x4c000000,
 124     [VE_ETHERNET] = 0x4e000000,
 125     [VE_USB] = 0x4f000000,
 126 };
 127
 128 static hwaddr motherboard_aseries_map[] = {
 129     [VE_NORFLASHALIAS] = 0,
 130     /* CS0: 0x08000000 .. 0x0c000000 */
 131     [VE_NORFLASH0] = 0x08000000,
 132     /* CS4: 0x0c000000 .. 0x10000000 */
 133     [VE_NORFLASH1] = 0x0c000000,
 134     /* CS5: 0x10000000 .. 0x14000000 */
 135     /* CS1: 0x14000000 .. 0x18000000 */
 136     [VE_SRAM] = 0x14000000,
 137     /* CS2: 0x18000000 .. 0x1c000000 */
 138     [VE_VIDEORAM] = 0x18000000,
 139     [VE_ETHERNET] = 0x1a000000,
 140     [VE_USB] = 0x1b000000,
 141     /* CS3: 0x1c000000 .. 0x20000000 */
 142     [VE_DAPROM] = 0x1c000000,
 143     [VE_SYSREGS] = 0x1c010000,
 144     [VE_SP810] = 0x1c020000,
 145     [VE_SERIALPCI] = 0x1c030000,
 146     [VE_PL041] = 0x1c040000,
 147     [VE_MMCI] = 0x1c050000,
 148     [VE_KMI0] = 0x1c060000,
 149     [VE_KMI1] = 0x1c070000,
 150     [VE_UART0] = 0x1c090000,
 151     [VE_UART1] = 0x1c0a0000,
 152     [VE_UART2] = 0x1c0b0000,
 153     [VE_UART3] = 0x1c0c0000,
 154     [VE_WDT] = 0x1c0f0000,
 155     [VE_TIMER01] = 0x1c110000,
 156     [VE_TIMER23] = 0x1c120000,
 157     [VE_VIRTIO] = 0x1c130000,
 158     [VE_SERIALDVI] = 0x1c160000,
 159     [VE_RTC] = 0x1c170000,
 160     [VE_COMPACTFLASH] = 0x1c1a0000,
 161     [VE_CLCD] = 0x1c1f0000,
 162 };
 163
 164 /* Structure defining the peculiarities of a specific daughterboard */
 165
 166 typedef struct VEDBoardInfo VEDBoardInfo;
 167
 168 typedef struct {
 169     MachineClass parent;
 170     VEDBoardInfo *daughterboard;
 171 } VexpressMachineClass;
 172
 173 typedef struct {
 174     MachineState parent;
 175     bool secure;
 176     bool virt;
 177 } VexpressMachineState;
 178
 179 #define TYPE_VEXPRESS_MACHINE   "vexpress"
 180 #define TYPE_VEXPRESS_A9_MACHINE   MACHINE_TYPE_NAME("vexpress-a9")
 181 #define TYPE_VEXPRESS_A15_MACHINE   MACHINE_TYPE_NAME("vexpress-a15")
 182 #define VEXPRESS_MACHINE(obj) \
 183     OBJECT_CHECK(VexpressMachineState, (obj), TYPE_VEXPRESS_MACHINE)
 184 #define VEXPRESS_MACHINE_GET_CLASS(obj) \
 185     OBJECT_GET_CLASS(VexpressMachineClass, obj, TYPE_VEXPRESS_MACHINE)
 186 #define VEXPRESS_MACHINE_CLASS(klass) \
 187     OBJECT_CLASS_CHECK(VexpressMachineClass, klass, TYPE_VEXPRESS_MACHINE)
 188
 189 typedef void DBoardInitFn(const VexpressMachineState *machine,
 190                           ram_addr_t ram_size,
 191                           const char *cpu_type,
 192                           qemu_irq *pic);
 193
 194 struct VEDBoardInfo {
 195     struct arm_boot_info bootinfo;
 196     const hwaddr *motherboard_map;
 197     hwaddr loader_start;
 198     const hwaddr gic_cpu_if_addr;
 199     uint32_t proc_id;
 200     uint32_t num_voltage_sensors;
 201     const uint32_t *voltages;
 202     uint32_t num_clocks;
 203     const uint32_t *clocks;
 204     DBoardInitFn *init;
 205 };
 206
 207 static void init_cpus(MachineState *ms, const char *cpu_type,
 208                       const char *privdev, hwaddr periphbase,
 209                       qemu_irq *pic, bool secure, bool virt)
 210 {
 211     DeviceState *dev;
 212     SysBusDevice *busdev;
 213     int n;
 214     unsigned int smp_cpus = ms->smp.cpus;
 215
 216     /* Create the actual CPUs */
 217     for (n = 0; n < smp_cpus; n++) {
 218         Object *cpuobj = object_new(cpu_type);
 219
 220         if (!secure) {
 221             object_property_set_bool(cpuobj, "has_el3", false, NULL);
 222         }
 223         if (!virt) {
 224             if (object_property_find(cpuobj, "has_el2", NULL)) {
 225                 object_property_set_bool(cpuobj, "has_el2", false, NULL);
 226             }
 227         }
 228
 229         if (object_property_find(cpuobj, "reset-cbar", NULL)) {
 230             object_property_set_int(cpuobj, "reset-cbar", periphbase,
 231                                     &error_abort);
 232         }
 233         qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
 234     }
 235
 236     /* Create the private peripheral devices (including the GIC);
 237      * this must happen after the CPUs are created because a15mpcore_priv
 238      * wires itself up to the CPU's generic_timer gpio out lines.
 239      */
 240     dev = qdev_new(privdev);
 241     qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
 242     busdev = SYS_BUS_DEVICE(dev);
 243     sysbus_realize_and_unref(busdev, &error_fatal);
 244     sysbus_mmio_map(busdev, 0, periphbase);
 245
 246     /* Interrupts [42:0] are from the motherboard;
 247      * [47:43] are reserved; [63:48] are daughterboard
 248      * peripherals. Note that some documentation numbers
 249      * external interrupts starting from 32 (because there
 250      * are internal interrupts 0..31).
 251      */
 252     for (n = 0; n < 64; n++) {
 253         pic[n] = qdev_get_gpio_in(dev, n);
 254     }
 255
 256     /* Connect the CPUs to the GIC */
 257     for (n = 0; n < smp_cpus; n++) {
 258         DeviceState *cpudev = DEVICE(qemu_get_cpu(n));
 259
 260         sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
 261         sysbus_connect_irq(busdev, n + smp_cpus,
 262                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
 263         sysbus_connect_irq(busdev, n + 2 * smp_cpus,
 264                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
 265         sysbus_connect_irq(busdev, n + 3 * smp_cpus,
 266                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
 267     }
 268 }
 269
 270 static void a9_daughterboard_init(const VexpressMachineState *vms,
 271                                   ram_addr_t ram_size,
 272                                   const char *cpu_type,
 273                                   qemu_irq *pic)
 274 {
 275     MachineState *machine = MACHINE(vms);
 276     MemoryRegion *sysmem = get_system_memory();
 277     MemoryRegion *lowram = g_new(MemoryRegion, 1);
 278     ram_addr_t low_ram_size;
 279
 280     if (ram_size > 0x40000000) {
 281         /* 1GB is the maximum the address space permits */
 282         error_report("vexpress-a9: cannot model more than 1GB RAM");
 283         exit(1);
 284     }
 285
 286     low_ram_size = ram_size;
 287     if (low_ram_size > 0x4000000) {
 288         low_ram_size = 0x4000000;
 289     }
 290     /* RAM is from 0x60000000 upwards. The bottom 64MB of the
 291      * address space should in theory be remappable to various
 292      * things including ROM or RAM; we always map the RAM there.
 293      */
 294     memory_region_init_alias(lowram, NULL, "vexpress.lowmem", machine->ram,
 295                              0, low_ram_size);
 296     memory_region_add_subregion(sysmem, 0x0, lowram);
 297     memory_region_add_subregion(sysmem, 0x60000000, machine->ram);
 298
 299     /* 0x1e000000 A9MPCore (SCU) private memory region */
 300     init_cpus(machine, cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic,
 301               vms->secure, vms->virt);
 302
 303     /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */
 304
 305     /* 0x10020000 PL111 CLCD (daughterboard) */
 306     sysbus_create_simple("pl111", 0x10020000, pic[44]);
 307
 308     /* 0x10060000 AXI RAM */
 309     /* 0x100e0000 PL341 Dynamic Memory Controller */
 310     /* 0x100e1000 PL354 Static Memory Controller */
 311     /* 0x100e2000 System Configuration Controller */
 312
 313     sysbus_create_simple("sp804", 0x100e4000, pic[48]);
 314     /* 0x100e5000 SP805 Watchdog module */
 315     /* 0x100e6000 BP147 TrustZone Protection Controller */
 316     /* 0x100e9000 PL301 'Fast' AXI matrix */
 317     /* 0x100ea000 PL301 'Slow' AXI matrix */
 318     /* 0x100ec000 TrustZone Address Space Controller */
 319     /* 0x10200000 CoreSight debug APB */
 320     /* 0x1e00a000 PL310 L2 Cache Controller */
 321     sysbus_create_varargs("l2x0", 0x1e00a000, NULL);
 322 }
 323
 324 /* Voltage values for SYS_CFG_VOLT daughterboard registers;
 325  * values are in microvolts.
 326  */
 327 static const uint32_t a9_voltages[] = {
 328     1000000, /* VD10 : 1.0V : SoC internal logic voltage */
 329     1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */
 330     1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */
 331     1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */
 332     900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */
 333     3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */
 334 };
 335
 336 /* Reset values for daughterboard oscillators (in Hz) */
 337 static const uint32_t a9_clocks[] = {
 338     45000000, /* AMBA AXI ACLK: 45MHz */
 339     23750000, /* daughterboard CLCD clock: 23.75MHz */
 340     66670000, /* Test chip reference clock: 66.67MHz */
 341 };
 342
 343 static VEDBoardInfo a9_daughterboard = {
 344     .motherboard_map = motherboard_legacy_map,
 345     .loader_start = 0x60000000,
 346     .gic_cpu_if_addr = 0x1e000100,
 347     .proc_id = 0x0c000191,
 348     .num_voltage_sensors = ARRAY_SIZE(a9_voltages),
 349     .voltages = a9_voltages,
 350     .num_clocks = ARRAY_SIZE(a9_clocks),
 351     .clocks = a9_clocks,
 352     .init = a9_daughterboard_init,
 353 };
 354
 355 static void a15_daughterboard_init(const VexpressMachineState *vms,
 356                                    ram_addr_t ram_size,
 357                                    const char *cpu_type,
 358                                    qemu_irq *pic)
 359 {
 360     MachineState *machine = MACHINE(vms);
 361     MemoryRegion *sysmem = get_system_memory();
 362     MemoryRegion *sram = g_new(MemoryRegion, 1);
 363
 364     {
 365         /* We have to use a separate 64 bit variable here to avoid the gcc
 366          * "comparison is always false due to limited range of data type"
 367          * warning if we are on a host where ram_addr_t is 32 bits.
 368          */
 369         uint64_t rsz = ram_size;
 370         if (rsz > (30ULL * 1024 * 1024 * 1024)) {
 371             error_report("vexpress-a15: cannot model more than 30GB RAM");
 372             exit(1);
 373         }
 374     }
 375
 376     /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */
 377     memory_region_add_subregion(sysmem, 0x80000000, machine->ram);
 378
 379     /* 0x2c000000 A15MPCore private memory region (GIC) */
 380     init_cpus(machine, cpu_type, TYPE_A15MPCORE_PRIV,
 381               0x2c000000, pic, vms->secure, vms->virt);
 382
 383     /* A15 daughterboard peripherals: */
 384
 385     /* 0x20000000: CoreSight interfaces: not modelled */
 386     /* 0x2a000000: PL301 AXI interconnect: not modelled */
 387     /* 0x2a420000: SCC: not modelled */
 388     /* 0x2a430000: system counter: not modelled */
 389     /* 0x2b000000: HDLCD controller: not modelled */
 390     /* 0x2b060000: SP805 watchdog: not modelled */
 391     /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */
 392     /* 0x2e000000: system SRAM */
 393     memory_region_init_ram(sram, NULL, "vexpress.a15sram", 0x10000,
 394                            &error_fatal);
 395     memory_region_add_subregion(sysmem, 0x2e000000, sram);
 396
 397     /* 0x7ffb0000: DMA330 DMA controller: not modelled */
 398     /* 0x7ffd0000: PL354 static memory controller: not modelled */
 399 }
 400
 401 static const uint32_t a15_voltages[] = {
 402     900000, /* Vcore: 0.9V : CPU core voltage */
 403 };
 404
 405 static const uint32_t a15_clocks[] = {
 406     60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */
 407     0, /* OSCCLK1: reserved */
 408     0, /* OSCCLK2: reserved */
 409     0, /* OSCCLK3: reserved */
 410     40000000, /* OSCCLK4: 40MHz : external AXI master clock */
 411     23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */
 412     50000000, /* OSCCLK6: 50MHz : static memory controller clock */
 413     60000000, /* OSCCLK7: 60MHz : SYSCLK reference */
 414     40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */
 415 };
 416
 417 static VEDBoardInfo a15_daughterboard = {
 418     .motherboard_map = motherboard_aseries_map,
 419     .loader_start = 0x80000000,
 420     .gic_cpu_if_addr = 0x2c002000,
 421     .proc_id = 0x14000237,
 422     .num_voltage_sensors = ARRAY_SIZE(a15_voltages),
 423     .voltages = a15_voltages,
 424     .num_clocks = ARRAY_SIZE(a15_clocks),
 425     .clocks = a15_clocks,
 426     .init = a15_daughterboard_init,
 427 };
 428
 429 static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells,
 430                                 hwaddr addr, hwaddr size, uint32_t intc,
 431                                 int irq)
 432 {
 433     /* Add a virtio_mmio node to the device tree blob:
 434      *   virtio_mmio@ADDRESS {
 435      *       compatible = "virtio,mmio";
 436      *       reg = <ADDRESS, SIZE>;
 437      *       interrupt-parent = <&intc>;
 438      *       interrupts = <0, irq, 1>;
 439      *   }
 440      * (Note that the format of the interrupts property is dependent on the
 441      * interrupt controller that interrupt-parent points to; these are for
 442      * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.)
 443      */
 444     int rc;
 445     char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr);
 446
 447     rc = qemu_fdt_add_subnode(fdt, nodename);
 448     rc |= qemu_fdt_setprop_string(fdt, nodename,
 449                                   "compatible", "virtio,mmio");
 450     rc |= qemu_fdt_setprop_sized_cells(fdt, nodename, "reg",
 451                                        acells, addr, scells, size);
 452     qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", intc);
 453     qemu_fdt_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1);
 454     qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0);
 455     g_free(nodename);
 456     if (rc) {
 457         return -1;
 458     }
 459     return 0;
 460 }
 461
 462 static uint32_t find_int_controller(void *fdt)
 463 {
 464     /* Find the FDT node corresponding to the interrupt controller
 465      * for virtio-mmio devices. We do this by scanning the fdt for
 466      * a node with the right compatibility, since we know there is
 467      * only one GIC on a vexpress board.
 468      * We return the phandle of the node, or 0 if none was found.
 469      */
 470     const char *compat = "arm,cortex-a9-gic";
 471     int offset;
 472
 473     offset = fdt_node_offset_by_compatible(fdt, -1, compat);
 474     if (offset >= 0) {
 475         return fdt_get_phandle(fdt, offset);
 476     }
 477     return 0;
 478 }
 479
 480 static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt)
 481 {
 482     uint32_t acells, scells, intc;
 483     const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info;
 484
 485     acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells",
 486                                    NULL, &error_fatal);
 487     scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells",
 488                                    NULL, &error_fatal);
 489     intc = find_int_controller(fdt);
 490     if (!intc) {
 491         /* Not fatal, we just won't provide virtio. This will
 492          * happen with older device tree blobs.
 493          */
 494         warn_report("couldn't find interrupt controller in "
 495                     "dtb; will not include virtio-mmio devices in the dtb");
 496     } else {
 497         int i;
 498         const hwaddr *map = daughterboard->motherboard_map;
 499
 500         /* We iterate backwards here because adding nodes
 501          * to the dtb puts them in last-first.
 502          */
 503         for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) {
 504             add_virtio_mmio_node(fdt, acells, scells,
 505                                  map[VE_VIRTIO] + 0x200 * i,
 506                                  0x200, intc, 40 + i);
 507         }
 508     }
 509 }
 510
 511
 512 /* Open code a private version of pflash registration since we
 513  * need to set non-default device width for VExpress platform.
 514  */
 515 static PFlashCFI01 *ve_pflash_cfi01_register(hwaddr base, const char *name,
 516                                              DriveInfo *di)
 517 {
 518     DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01);
 519
 520     if (di) {
 521         qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di));
 522     }
 523
 524     qdev_prop_set_uint32(dev, "num-blocks",
 525                          VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE);
 526     qdev_prop_set_uint64(dev, "sector-length", VEXPRESS_FLASH_SECT_SIZE);
 527     qdev_prop_set_uint8(dev, "width", 4);
 528     qdev_prop_set_uint8(dev, "device-width", 2);
 529     qdev_prop_set_bit(dev, "big-endian", false);
 530     qdev_prop_set_uint16(dev, "id0", 0x89);
 531     qdev_prop_set_uint16(dev, "id1", 0x18);
 532     qdev_prop_set_uint16(dev, "id2", 0x00);
 533     qdev_prop_set_uint16(dev, "id3", 0x00);
 534     qdev_prop_set_string(dev, "name", name);
 535     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 536
 537     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
 538     return PFLASH_CFI01(dev);
 539 }
 540
 541 static void vexpress_common_init(MachineState *machine)
 542 {
 543     VexpressMachineState *vms = VEXPRESS_MACHINE(machine);
 544     VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine);
 545     VEDBoardInfo *daughterboard = vmc->daughterboard;
 546     DeviceState *dev, *sysctl, *pl041;
 547     qemu_irq pic[64];
 548     uint32_t sys_id;
 549     DriveInfo *dinfo;
 550     PFlashCFI01 *pflash0;
 551     I2CBus *i2c;
 552     ram_addr_t vram_size, sram_size;
 553     MemoryRegion *sysmem = get_system_memory();
 554     MemoryRegion *vram = g_new(MemoryRegion, 1);
 555     MemoryRegion *sram = g_new(MemoryRegion, 1);
 556     MemoryRegion *flashalias = g_new(MemoryRegion, 1);
 557     MemoryRegion *flash0mem;
 558     const hwaddr *map = daughterboard->motherboard_map;
 559     int i;
 560
 561     daughterboard->init(vms, machine->ram_size, machine->cpu_type, pic);
 562
 563     /*
 564      * If a bios file was provided, attempt to map it into memory
 565      */
 566     if (bios_name) {
 567         char *fn;
 568         int image_size;
 569
 570         if (drive_get(IF_PFLASH, 0, 0)) {
 571             error_report("The contents of the first flash device may be "
 572                          "specified with -bios or with -drive if=pflash... "
 573                          "but you cannot use both options at once");
 574             exit(1);
 575         }
 576         fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 577         if (!fn) {
 578             error_report("Could not find ROM image '%s'", bios_name);
 579             exit(1);
 580         }
 581         image_size = load_image_targphys(fn, map[VE_NORFLASH0],
 582                                          VEXPRESS_FLASH_SIZE);
 583         g_free(fn);
 584         if (image_size < 0) {
 585             error_report("Could not load ROM image '%s'", bios_name);
 586             exit(1);
 587         }
 588     }
 589
 590     /* Motherboard peripherals: the wiring is the same but the
 591      * addresses vary between the legacy and A-Series memory maps.
 592      */
 593
 594     sys_id = 0x1190f500;
 595
 596     sysctl = qdev_new("realview_sysctl");
 597     qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
 598     qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id);
 599     qdev_prop_set_uint32(sysctl, "len-db-voltage",
 600                          daughterboard->num_voltage_sensors);
 601     for (i = 0; i < daughterboard->num_voltage_sensors; i++) {
 602         char *propname = g_strdup_printf("db-voltage[%d]", i);
 603         qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]);
 604         g_free(propname);
 605     }
 606     qdev_prop_set_uint32(sysctl, "len-db-clock",
 607                          daughterboard->num_clocks);
 608     for (i = 0; i < daughterboard->num_clocks; i++) {
 609         char *propname = g_strdup_printf("db-clock[%d]", i);
 610         qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]);
 611         g_free(propname);
 612     }
 613     sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
 614     sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]);
 615
 616     /* VE_SP810: not modelled */
 617     /* VE_SERIALPCI: not modelled */
 618
 619     pl041 = qdev_new("pl041");
 620     qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
 621     sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
 622     sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]);
 623     sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]);
 624
 625     dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL);
 626     /* Wire up MMC card detect and read-only signals */
 627     qdev_connect_gpio_out(dev, 0,
 628                           qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
 629     qdev_connect_gpio_out(dev, 1,
 630                           qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));
 631
 632     sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
 633     sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);
 634
 635     pl011_create(map[VE_UART0], pic[5], serial_hd(0));
 636     pl011_create(map[VE_UART1], pic[6], serial_hd(1));
 637     pl011_create(map[VE_UART2], pic[7], serial_hd(2));
 638     pl011_create(map[VE_UART3], pic[8], serial_hd(3));
 639
 640     sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
 641     sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);
 642
 643     dev = sysbus_create_simple(TYPE_VERSATILE_I2C, map[VE_SERIALDVI], NULL);
 644     i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
 645     i2c_slave_create_simple(i2c, "sii9022", 0x39);
 646
 647     sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */
 648
 649     /* VE_COMPACTFLASH: not modelled */
 650
 651     sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);
 652
 653     dinfo = drive_get_next(IF_PFLASH);
 654     pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0",
 655                                        dinfo);
 656     if (!pflash0) {
 657         error_report("vexpress: error registering flash 0");
 658         exit(1);
 659     }
 660
 661     if (map[VE_NORFLASHALIAS] != -1) {
 662         /* Map flash 0 as an alias into low memory */
 663         flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0);
 664         memory_region_init_alias(flashalias, NULL, "vexpress.flashalias",
 665                                  flash0mem, 0, VEXPRESS_FLASH_SIZE);
 666         memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias);
 667     }
 668
 669     dinfo = drive_get_next(IF_PFLASH);
 670     if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1",
 671                                   dinfo)) {
 672         error_report("vexpress: error registering flash 1");
 673         exit(1);
 674     }
 675
 676     sram_size = 0x2000000;
 677     memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size,
 678                            &error_fatal);
 679     memory_region_add_subregion(sysmem, map[VE_SRAM], sram);
 680
 681     vram_size = 0x800000;
 682     memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size,
 683                            &error_fatal);
 684     memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);
 685
 686     /* 0x4e000000 LAN9118 Ethernet */
 687     if (nd_table[0].used) {
 688         lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]);
 689     }
 690
 691     /* VE_USB: not modelled */
 692
 693     /* VE_DAPROM: not modelled */
 694
 695     /* Create mmio transports, so the user can create virtio backends
 696      * (which will be automatically plugged in to the transports). If
 697      * no backend is created the transport will just sit harmlessly idle.
 698      */
 699     for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) {
 700         sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i,
 701                              pic[40 + i]);
 702     }
 703
 704     daughterboard->bootinfo.ram_size = machine->ram_size;
 705     daughterboard->bootinfo.nb_cpus = machine->smp.cpus;
 706     daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID;
 707     daughterboard->bootinfo.loader_start = daughterboard->loader_start;
 708     daughterboard->bootinfo.smp_loader_start = map[VE_SRAM];
 709     daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
 710     daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
 711     daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb;
 712     /* When booting Linux we should be in secure state if the CPU has one. */
 713     daughterboard->bootinfo.secure_boot = vms->secure;
 714     arm_load_kernel(ARM_CPU(first_cpu), machine, &daughterboard->bootinfo);
 715 }
 716
 717 static bool vexpress_get_secure(Object *obj, Error **errp)
 718 {
 719     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 720
 721     return vms->secure;
 722 }
 723
 724 static void vexpress_set_secure(Object *obj, bool value, Error **errp)
 725 {
 726     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 727
 728     vms->secure = value;
 729 }
 730
 731 static bool vexpress_get_virt(Object *obj, Error **errp)
 732 {
 733     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 734
 735     return vms->virt;
 736 }
 737
 738 static void vexpress_set_virt(Object *obj, bool value, Error **errp)
 739 {
 740     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 741
 742     vms->virt = value;
 743 }
 744
 745 static void vexpress_instance_init(Object *obj)
 746 {
 747     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 748
 749     /* EL3 is enabled by default on vexpress */
 750     vms->secure = true;
 751     object_property_add_bool(obj, "secure", vexpress_get_secure,
 752                              vexpress_set_secure);
 753     object_property_set_description(obj, "secure",
 754                                     "Set on/off to enable/disable the ARM "
 755                                     "Security Extensions (TrustZone)");
 756 }
 757
 758 static void vexpress_a15_instance_init(Object *obj)
 759 {
 760     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 761
 762     /*
 763      * For the vexpress-a15, EL2 is by default enabled if EL3 is,
 764      * but can also be specifically set to on or off.
 765      */
 766     vms->virt = true;
 767     object_property_add_bool(obj, "virtualization", vexpress_get_virt,
 768                              vexpress_set_virt);
 769     object_property_set_description(obj, "virtualization",
 770                                     "Set on/off to enable/disable the ARM "
 771                                     "Virtualization Extensions "
 772                                     "(defaults to same as 'secure')");
 773 }
 774
 775 static void vexpress_a9_instance_init(Object *obj)
 776 {
 777     VexpressMachineState *vms = VEXPRESS_MACHINE(obj);
 778
 779     /* The A9 doesn't have the virt extensions */
 780     vms->virt = false;
 781 }
 782
 783 static void vexpress_class_init(ObjectClass *oc, void *data)
 784 {
 785     MachineClass *mc = MACHINE_CLASS(oc);
 786
 787     mc->desc = "ARM Versatile Express";
 788     mc->init = vexpress_common_init;
 789     mc->max_cpus = 4;
 790     mc->ignore_memory_transaction_failures = true;
 791     mc->default_ram_id = "vexpress.highmem";
 792 }
 793
 794 static void vexpress_a9_class_init(ObjectClass *oc, void *data)
 795 {
 796     MachineClass *mc = MACHINE_CLASS(oc);
 797     VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc);
 798
 799     mc->desc = "ARM Versatile Express for Cortex-A9";
 800     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
 801
 802     vmc->daughterboard = &a9_daughterboard;
 803 }
 804
 805 static void vexpress_a15_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-A15";
 811     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a15");
 812
 813     vmc->daughterboard = &a15_daughterboard;
 814 }
 815
 816 static const TypeInfo vexpress_info = {
 817     .name = TYPE_VEXPRESS_MACHINE,
 818     .parent = TYPE_MACHINE,
 819     .abstract = true,
 820     .instance_size = sizeof(VexpressMachineState),
 821     .instance_init = vexpress_instance_init,
 822     .class_size = sizeof(VexpressMachineClass),
 823     .class_init = vexpress_class_init,
 824 };
 825
 826 static const TypeInfo vexpress_a9_info = {
 827     .name = TYPE_VEXPRESS_A9_MACHINE,
 828     .parent = TYPE_VEXPRESS_MACHINE,
 829     .class_init = vexpress_a9_class_init,
 830     .instance_init = vexpress_a9_instance_init,
 831 };
 832
 833 static const TypeInfo vexpress_a15_info = {
 834     .name = TYPE_VEXPRESS_A15_MACHINE,
 835     .parent = TYPE_VEXPRESS_MACHINE,
 836     .class_init = vexpress_a15_class_init,
 837     .instance_init = vexpress_a15_instance_init,
 838 };
 839
 840 static void vexpress_machine_init(void)
 841 {
 842     type_register_static(&vexpress_info);
 843     type_register_static(&vexpress_a9_info);
 844     type_register_static(&vexpress_a15_info);
 845 }
 846
 847 type_init(vexpress_machine_init);