qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

integratorcp.c (22033B)


      1 /*
      2  * ARM Integrator CP System emulation.
      3  *
      4  * Copyright (c) 2005-2007 CodeSourcery.
      5  * Written by Paul Brook
      6  *
      7  * This code is licensed under the GPL
      8  */
      9 
     10 #include "qemu/osdep.h"
     11 #include "qapi/error.h"
     12 #include "cpu.h"
     13 #include "hw/sysbus.h"
     14 #include "migration/vmstate.h"
     15 #include "hw/boards.h"
     16 #include "hw/arm/boot.h"
     17 #include "hw/misc/arm_integrator_debug.h"
     18 #include "hw/net/smc91c111.h"
     19 #include "net/net.h"
     20 #include "exec/address-spaces.h"
     21 #include "sysemu/runstate.h"
     22 #include "sysemu/sysemu.h"
     23 #include "qemu/log.h"
     24 #include "qemu/error-report.h"
     25 #include "hw/char/pl011.h"
     26 #include "hw/hw.h"
     27 #include "hw/irq.h"
     28 #include "hw/sd/sd.h"
     29 #include "qom/object.h"
     30 
     31 #define TYPE_INTEGRATOR_CM "integrator_core"
     32 OBJECT_DECLARE_SIMPLE_TYPE(IntegratorCMState, INTEGRATOR_CM)
     33 
     34 struct IntegratorCMState {
     35     /*< private >*/
     36     SysBusDevice parent_obj;
     37     /*< public >*/
     38 
     39     MemoryRegion iomem;
     40     uint32_t memsz;
     41     MemoryRegion flash;
     42     uint32_t cm_osc;
     43     uint32_t cm_ctrl;
     44     uint32_t cm_lock;
     45     uint32_t cm_auxosc;
     46     uint32_t cm_sdram;
     47     uint32_t cm_init;
     48     uint32_t cm_flags;
     49     uint32_t cm_nvflags;
     50     uint32_t cm_refcnt_offset;
     51     uint32_t int_level;
     52     uint32_t irq_enabled;
     53     uint32_t fiq_enabled;
     54 };
     55 
     56 static uint8_t integrator_spd[128] = {
     57    128, 8, 4, 11, 9, 1, 64, 0,  2, 0xa0, 0xa0, 0, 0, 8, 0, 1,
     58    0xe, 4, 0x1c, 1, 2, 0x20, 0xc0, 0, 0, 0, 0, 0x30, 0x28, 0x30, 0x28, 0x40
     59 };
     60 
     61 static const VMStateDescription vmstate_integratorcm = {
     62     .name = "integratorcm",
     63     .version_id = 1,
     64     .minimum_version_id = 1,
     65     .fields      = (VMStateField[]) {
     66         VMSTATE_UINT32(cm_osc, IntegratorCMState),
     67         VMSTATE_UINT32(cm_ctrl, IntegratorCMState),
     68         VMSTATE_UINT32(cm_lock, IntegratorCMState),
     69         VMSTATE_UINT32(cm_auxosc, IntegratorCMState),
     70         VMSTATE_UINT32(cm_sdram, IntegratorCMState),
     71         VMSTATE_UINT32(cm_init, IntegratorCMState),
     72         VMSTATE_UINT32(cm_flags, IntegratorCMState),
     73         VMSTATE_UINT32(cm_nvflags, IntegratorCMState),
     74         VMSTATE_UINT32(int_level, IntegratorCMState),
     75         VMSTATE_UINT32(irq_enabled, IntegratorCMState),
     76         VMSTATE_UINT32(fiq_enabled, IntegratorCMState),
     77         VMSTATE_END_OF_LIST()
     78     }
     79 };
     80 
     81 static uint64_t integratorcm_read(void *opaque, hwaddr offset,
     82                                   unsigned size)
     83 {
     84     IntegratorCMState *s = opaque;
     85     if (offset >= 0x100 && offset < 0x200) {
     86         /* CM_SPD */
     87         if (offset >= 0x180)
     88             return 0;
     89         return integrator_spd[offset >> 2];
     90     }
     91     switch (offset >> 2) {
     92     case 0: /* CM_ID */
     93         return 0x411a3001;
     94     case 1: /* CM_PROC */
     95         return 0;
     96     case 2: /* CM_OSC */
     97         return s->cm_osc;
     98     case 3: /* CM_CTRL */
     99         return s->cm_ctrl;
    100     case 4: /* CM_STAT */
    101         return 0x00100000;
    102     case 5: /* CM_LOCK */
    103         if (s->cm_lock == 0xa05f) {
    104             return 0x1a05f;
    105         } else {
    106             return s->cm_lock;
    107         }
    108     case 6: /* CM_LMBUSCNT */
    109         /* ??? High frequency timer.  */
    110         hw_error("integratorcm_read: CM_LMBUSCNT");
    111     case 7: /* CM_AUXOSC */
    112         return s->cm_auxosc;
    113     case 8: /* CM_SDRAM */
    114         return s->cm_sdram;
    115     case 9: /* CM_INIT */
    116         return s->cm_init;
    117     case 10: /* CM_REFCNT */
    118         /* This register, CM_REFCNT, provides a 32-bit count value.
    119          * The count increments at the fixed reference clock frequency of 24MHz
    120          * and can be used as a real-time counter.
    121          */
    122         return (uint32_t)muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24,
    123                                   1000) - s->cm_refcnt_offset;
    124     case 12: /* CM_FLAGS */
    125         return s->cm_flags;
    126     case 14: /* CM_NVFLAGS */
    127         return s->cm_nvflags;
    128     case 16: /* CM_IRQ_STAT */
    129         return s->int_level & s->irq_enabled;
    130     case 17: /* CM_IRQ_RSTAT */
    131         return s->int_level;
    132     case 18: /* CM_IRQ_ENSET */
    133         return s->irq_enabled;
    134     case 20: /* CM_SOFT_INTSET */
    135         return s->int_level & 1;
    136     case 24: /* CM_FIQ_STAT */
    137         return s->int_level & s->fiq_enabled;
    138     case 25: /* CM_FIQ_RSTAT */
    139         return s->int_level;
    140     case 26: /* CM_FIQ_ENSET */
    141         return s->fiq_enabled;
    142     case 32: /* CM_VOLTAGE_CTL0 */
    143     case 33: /* CM_VOLTAGE_CTL1 */
    144     case 34: /* CM_VOLTAGE_CTL2 */
    145     case 35: /* CM_VOLTAGE_CTL3 */
    146         /* ??? Voltage control unimplemented.  */
    147         return 0;
    148     default:
    149         qemu_log_mask(LOG_UNIMP,
    150                       "%s: Unimplemented offset 0x%" HWADDR_PRIX "\n",
    151                       __func__, offset);
    152         return 0;
    153     }
    154 }
    155 
    156 static void integratorcm_do_remap(IntegratorCMState *s)
    157 {
    158     /* Sync memory region state with CM_CTRL REMAP bit:
    159      * bit 0 => flash at address 0; bit 1 => RAM
    160      */
    161     memory_region_set_enabled(&s->flash, !(s->cm_ctrl & 4));
    162 }
    163 
    164 static void integratorcm_set_ctrl(IntegratorCMState *s, uint32_t value)
    165 {
    166     if (value & 8) {
    167         qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
    168     }
    169     if ((s->cm_ctrl ^ value) & 1) {
    170         /* (value & 1) != 0 means the green "MISC LED" is lit.
    171          * We don't have any nice place to display LEDs. printf is a bad
    172          * idea because Linux uses the LED as a heartbeat and the output
    173          * will swamp anything else on the terminal.
    174          */
    175     }
    176     /* Note that the RESET bit [3] always reads as zero */
    177     s->cm_ctrl = (s->cm_ctrl & ~5) | (value & 5);
    178     integratorcm_do_remap(s);
    179 }
    180 
    181 static void integratorcm_update(IntegratorCMState *s)
    182 {
    183     /* ??? The CPU irq/fiq is raised when either the core module or base PIC
    184        are active.  */
    185     if (s->int_level & (s->irq_enabled | s->fiq_enabled))
    186         hw_error("Core module interrupt\n");
    187 }
    188 
    189 static void integratorcm_write(void *opaque, hwaddr offset,
    190                                uint64_t value, unsigned size)
    191 {
    192     IntegratorCMState *s = opaque;
    193     switch (offset >> 2) {
    194     case 2: /* CM_OSC */
    195         if (s->cm_lock == 0xa05f)
    196             s->cm_osc = value;
    197         break;
    198     case 3: /* CM_CTRL */
    199         integratorcm_set_ctrl(s, value);
    200         break;
    201     case 5: /* CM_LOCK */
    202         s->cm_lock = value & 0xffff;
    203         break;
    204     case 7: /* CM_AUXOSC */
    205         if (s->cm_lock == 0xa05f)
    206             s->cm_auxosc = value;
    207         break;
    208     case 8: /* CM_SDRAM */
    209         s->cm_sdram = value;
    210         break;
    211     case 9: /* CM_INIT */
    212         /* ??? This can change the memory bus frequency.  */
    213         s->cm_init = value;
    214         break;
    215     case 12: /* CM_FLAGSS */
    216         s->cm_flags |= value;
    217         break;
    218     case 13: /* CM_FLAGSC */
    219         s->cm_flags &= ~value;
    220         break;
    221     case 14: /* CM_NVFLAGSS */
    222         s->cm_nvflags |= value;
    223         break;
    224     case 15: /* CM_NVFLAGSS */
    225         s->cm_nvflags &= ~value;
    226         break;
    227     case 18: /* CM_IRQ_ENSET */
    228         s->irq_enabled |= value;
    229         integratorcm_update(s);
    230         break;
    231     case 19: /* CM_IRQ_ENCLR */
    232         s->irq_enabled &= ~value;
    233         integratorcm_update(s);
    234         break;
    235     case 20: /* CM_SOFT_INTSET */
    236         s->int_level |= (value & 1);
    237         integratorcm_update(s);
    238         break;
    239     case 21: /* CM_SOFT_INTCLR */
    240         s->int_level &= ~(value & 1);
    241         integratorcm_update(s);
    242         break;
    243     case 26: /* CM_FIQ_ENSET */
    244         s->fiq_enabled |= value;
    245         integratorcm_update(s);
    246         break;
    247     case 27: /* CM_FIQ_ENCLR */
    248         s->fiq_enabled &= ~value;
    249         integratorcm_update(s);
    250         break;
    251     case 32: /* CM_VOLTAGE_CTL0 */
    252     case 33: /* CM_VOLTAGE_CTL1 */
    253     case 34: /* CM_VOLTAGE_CTL2 */
    254     case 35: /* CM_VOLTAGE_CTL3 */
    255         /* ??? Voltage control unimplemented.  */
    256         break;
    257     default:
    258         qemu_log_mask(LOG_UNIMP,
    259                       "%s: Unimplemented offset 0x%" HWADDR_PRIX "\n",
    260                       __func__, offset);
    261         break;
    262     }
    263 }
    264 
    265 /* Integrator/CM control registers.  */
    266 
    267 static const MemoryRegionOps integratorcm_ops = {
    268     .read = integratorcm_read,
    269     .write = integratorcm_write,
    270     .endianness = DEVICE_NATIVE_ENDIAN,
    271 };
    272 
    273 static void integratorcm_init(Object *obj)
    274 {
    275     IntegratorCMState *s = INTEGRATOR_CM(obj);
    276 
    277     s->cm_osc = 0x01000048;
    278     /* ??? What should the high bits of this value be?  */
    279     s->cm_auxosc = 0x0007feff;
    280     s->cm_sdram = 0x00011122;
    281     memcpy(integrator_spd + 73, "QEMU-MEMORY", 11);
    282     s->cm_init = 0x00000112;
    283     s->cm_refcnt_offset = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24,
    284                                    1000);
    285 
    286     /* ??? Save/restore.  */
    287 }
    288 
    289 static void integratorcm_realize(DeviceState *d, Error **errp)
    290 {
    291     IntegratorCMState *s = INTEGRATOR_CM(d);
    292     SysBusDevice *dev = SYS_BUS_DEVICE(d);
    293     Error *local_err = NULL;
    294 
    295     memory_region_init_ram(&s->flash, OBJECT(d), "integrator.flash", 0x100000,
    296                            &local_err);
    297     if (local_err) {
    298         error_propagate(errp, local_err);
    299         return;
    300     }
    301 
    302     memory_region_init_io(&s->iomem, OBJECT(d), &integratorcm_ops, s,
    303                           "integratorcm", 0x00800000);
    304     sysbus_init_mmio(dev, &s->iomem);
    305 
    306     integratorcm_do_remap(s);
    307 
    308     if (s->memsz >= 256) {
    309         integrator_spd[31] = 64;
    310         s->cm_sdram |= 0x10;
    311     } else if (s->memsz >= 128) {
    312         integrator_spd[31] = 32;
    313         s->cm_sdram |= 0x0c;
    314     } else if (s->memsz >= 64) {
    315         integrator_spd[31] = 16;
    316         s->cm_sdram |= 0x08;
    317     } else if (s->memsz >= 32) {
    318         integrator_spd[31] = 4;
    319         s->cm_sdram |= 0x04;
    320     } else {
    321         integrator_spd[31] = 2;
    322     }
    323 }
    324 
    325 /* Integrator/CP hardware emulation.  */
    326 /* Primary interrupt controller.  */
    327 
    328 #define TYPE_INTEGRATOR_PIC "integrator_pic"
    329 OBJECT_DECLARE_SIMPLE_TYPE(icp_pic_state, INTEGRATOR_PIC)
    330 
    331 struct icp_pic_state {
    332     /*< private >*/
    333     SysBusDevice parent_obj;
    334     /*< public >*/
    335 
    336     MemoryRegion iomem;
    337     uint32_t level;
    338     uint32_t irq_enabled;
    339     uint32_t fiq_enabled;
    340     qemu_irq parent_irq;
    341     qemu_irq parent_fiq;
    342 };
    343 
    344 static const VMStateDescription vmstate_icp_pic = {
    345     .name = "icp_pic",
    346     .version_id = 1,
    347     .minimum_version_id = 1,
    348     .fields      = (VMStateField[]) {
    349         VMSTATE_UINT32(level, icp_pic_state),
    350         VMSTATE_UINT32(irq_enabled, icp_pic_state),
    351         VMSTATE_UINT32(fiq_enabled, icp_pic_state),
    352         VMSTATE_END_OF_LIST()
    353     }
    354 };
    355 
    356 static void icp_pic_update(icp_pic_state *s)
    357 {
    358     uint32_t flags;
    359 
    360     flags = (s->level & s->irq_enabled);
    361     qemu_set_irq(s->parent_irq, flags != 0);
    362     flags = (s->level & s->fiq_enabled);
    363     qemu_set_irq(s->parent_fiq, flags != 0);
    364 }
    365 
    366 static void icp_pic_set_irq(void *opaque, int irq, int level)
    367 {
    368     icp_pic_state *s = (icp_pic_state *)opaque;
    369     if (level)
    370         s->level |= 1 << irq;
    371     else
    372         s->level &= ~(1 << irq);
    373     icp_pic_update(s);
    374 }
    375 
    376 static uint64_t icp_pic_read(void *opaque, hwaddr offset,
    377                              unsigned size)
    378 {
    379     icp_pic_state *s = (icp_pic_state *)opaque;
    380 
    381     switch (offset >> 2) {
    382     case 0: /* IRQ_STATUS */
    383         return s->level & s->irq_enabled;
    384     case 1: /* IRQ_RAWSTAT */
    385         return s->level;
    386     case 2: /* IRQ_ENABLESET */
    387         return s->irq_enabled;
    388     case 4: /* INT_SOFTSET */
    389         return s->level & 1;
    390     case 8: /* FRQ_STATUS */
    391         return s->level & s->fiq_enabled;
    392     case 9: /* FRQ_RAWSTAT */
    393         return s->level;
    394     case 10: /* FRQ_ENABLESET */
    395         return s->fiq_enabled;
    396     case 3: /* IRQ_ENABLECLR */
    397     case 5: /* INT_SOFTCLR */
    398     case 11: /* FRQ_ENABLECLR */
    399     default:
    400         qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
    401                       __func__, offset);
    402         return 0;
    403     }
    404 }
    405 
    406 static void icp_pic_write(void *opaque, hwaddr offset,
    407                           uint64_t value, unsigned size)
    408 {
    409     icp_pic_state *s = (icp_pic_state *)opaque;
    410 
    411     switch (offset >> 2) {
    412     case 2: /* IRQ_ENABLESET */
    413         s->irq_enabled |= value;
    414         break;
    415     case 3: /* IRQ_ENABLECLR */
    416         s->irq_enabled &= ~value;
    417         break;
    418     case 4: /* INT_SOFTSET */
    419         if (value & 1)
    420             icp_pic_set_irq(s, 0, 1);
    421         break;
    422     case 5: /* INT_SOFTCLR */
    423         if (value & 1)
    424             icp_pic_set_irq(s, 0, 0);
    425         break;
    426     case 10: /* FRQ_ENABLESET */
    427         s->fiq_enabled |= value;
    428         break;
    429     case 11: /* FRQ_ENABLECLR */
    430         s->fiq_enabled &= ~value;
    431         break;
    432     case 0: /* IRQ_STATUS */
    433     case 1: /* IRQ_RAWSTAT */
    434     case 8: /* FRQ_STATUS */
    435     case 9: /* FRQ_RAWSTAT */
    436     default:
    437         qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
    438                       __func__, offset);
    439         return;
    440     }
    441     icp_pic_update(s);
    442 }
    443 
    444 static const MemoryRegionOps icp_pic_ops = {
    445     .read = icp_pic_read,
    446     .write = icp_pic_write,
    447     .endianness = DEVICE_NATIVE_ENDIAN,
    448 };
    449 
    450 static void icp_pic_init(Object *obj)
    451 {
    452     DeviceState *dev = DEVICE(obj);
    453     icp_pic_state *s = INTEGRATOR_PIC(obj);
    454     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
    455 
    456     qdev_init_gpio_in(dev, icp_pic_set_irq, 32);
    457     sysbus_init_irq(sbd, &s->parent_irq);
    458     sysbus_init_irq(sbd, &s->parent_fiq);
    459     memory_region_init_io(&s->iomem, obj, &icp_pic_ops, s,
    460                           "icp-pic", 0x00800000);
    461     sysbus_init_mmio(sbd, &s->iomem);
    462 }
    463 
    464 /* CP control registers.  */
    465 
    466 #define TYPE_ICP_CONTROL_REGS "icp-ctrl-regs"
    467 OBJECT_DECLARE_SIMPLE_TYPE(ICPCtrlRegsState, ICP_CONTROL_REGS)
    468 
    469 struct ICPCtrlRegsState {
    470     /*< private >*/
    471     SysBusDevice parent_obj;
    472     /*< public >*/
    473 
    474     MemoryRegion iomem;
    475 
    476     qemu_irq mmc_irq;
    477     uint32_t intreg_state;
    478 };
    479 
    480 #define ICP_GPIO_MMC_WPROT      "mmc-wprot"
    481 #define ICP_GPIO_MMC_CARDIN     "mmc-cardin"
    482 
    483 #define ICP_INTREG_WPROT        (1 << 0)
    484 #define ICP_INTREG_CARDIN       (1 << 3)
    485 
    486 static const VMStateDescription vmstate_icp_control = {
    487     .name = "icp_control",
    488     .version_id = 1,
    489     .minimum_version_id = 1,
    490     .fields      = (VMStateField[]) {
    491         VMSTATE_UINT32(intreg_state, ICPCtrlRegsState),
    492         VMSTATE_END_OF_LIST()
    493     }
    494 };
    495 
    496 static uint64_t icp_control_read(void *opaque, hwaddr offset,
    497                                  unsigned size)
    498 {
    499     ICPCtrlRegsState *s = opaque;
    500 
    501     switch (offset >> 2) {
    502     case 0: /* CP_IDFIELD */
    503         return 0x41034003;
    504     case 1: /* CP_FLASHPROG */
    505         return 0;
    506     case 2: /* CP_INTREG */
    507         return s->intreg_state;
    508     case 3: /* CP_DECODE */
    509         return 0x11;
    510     default:
    511         qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
    512                       __func__, offset);
    513         return 0;
    514     }
    515 }
    516 
    517 static void icp_control_write(void *opaque, hwaddr offset,
    518                           uint64_t value, unsigned size)
    519 {
    520     ICPCtrlRegsState *s = opaque;
    521 
    522     switch (offset >> 2) {
    523     case 2: /* CP_INTREG */
    524         s->intreg_state &= ~(value & ICP_INTREG_CARDIN);
    525         qemu_set_irq(s->mmc_irq, !!(s->intreg_state & ICP_INTREG_CARDIN));
    526         break;
    527     case 1: /* CP_FLASHPROG */
    528     case 3: /* CP_DECODE */
    529         /* Nothing interesting implemented yet.  */
    530         break;
    531     default:
    532         qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
    533                       __func__, offset);
    534     }
    535 }
    536 
    537 static const MemoryRegionOps icp_control_ops = {
    538     .read = icp_control_read,
    539     .write = icp_control_write,
    540     .endianness = DEVICE_NATIVE_ENDIAN,
    541 };
    542 
    543 static void icp_control_mmc_wprot(void *opaque, int line, int level)
    544 {
    545     ICPCtrlRegsState *s = opaque;
    546 
    547     s->intreg_state &= ~ICP_INTREG_WPROT;
    548     if (level) {
    549         s->intreg_state |= ICP_INTREG_WPROT;
    550     }
    551 }
    552 
    553 static void icp_control_mmc_cardin(void *opaque, int line, int level)
    554 {
    555     ICPCtrlRegsState *s = opaque;
    556 
    557     /* line is released by writing to CP_INTREG */
    558     if (level) {
    559         s->intreg_state |= ICP_INTREG_CARDIN;
    560         qemu_set_irq(s->mmc_irq, 1);
    561     }
    562 }
    563 
    564 static void icp_control_init(Object *obj)
    565 {
    566     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
    567     ICPCtrlRegsState *s = ICP_CONTROL_REGS(obj);
    568     DeviceState *dev = DEVICE(obj);
    569 
    570     memory_region_init_io(&s->iomem, OBJECT(s), &icp_control_ops, s,
    571                           "icp_ctrl_regs", 0x00800000);
    572     sysbus_init_mmio(sbd, &s->iomem);
    573 
    574     qdev_init_gpio_in_named(dev, icp_control_mmc_wprot, ICP_GPIO_MMC_WPROT, 1);
    575     qdev_init_gpio_in_named(dev, icp_control_mmc_cardin,
    576                             ICP_GPIO_MMC_CARDIN, 1);
    577     sysbus_init_irq(sbd, &s->mmc_irq);
    578 }
    579 
    580 
    581 /* Board init.  */
    582 
    583 static struct arm_boot_info integrator_binfo = {
    584     .loader_start = 0x0,
    585     .board_id = 0x113,
    586 };
    587 
    588 static void integratorcp_init(MachineState *machine)
    589 {
    590     ram_addr_t ram_size = machine->ram_size;
    591     Object *cpuobj;
    592     ARMCPU *cpu;
    593     MemoryRegion *address_space_mem = get_system_memory();
    594     MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
    595     qemu_irq pic[32];
    596     DeviceState *dev, *sic, *icp;
    597     DriveInfo *dinfo;
    598     int i;
    599 
    600     cpuobj = object_new(machine->cpu_type);
    601 
    602     /* By default ARM1176 CPUs have EL3 enabled.  This board does not
    603      * currently support EL3 so the CPU EL3 property is disabled before
    604      * realization.
    605      */
    606     if (object_property_find(cpuobj, "has_el3")) {
    607         object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
    608     }
    609 
    610     qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
    611 
    612     cpu = ARM_CPU(cpuobj);
    613 
    614     /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash.  */
    615     /* ??? RAM should repeat to fill physical memory space.  */
    616     /* SDRAM at address zero*/
    617     memory_region_add_subregion(address_space_mem, 0, machine->ram);
    618     /* And again at address 0x80000000 */
    619     memory_region_init_alias(ram_alias, NULL, "ram.alias", machine->ram,
    620                              0, ram_size);
    621     memory_region_add_subregion(address_space_mem, 0x80000000, ram_alias);
    622 
    623     dev = qdev_new(TYPE_INTEGRATOR_CM);
    624     qdev_prop_set_uint32(dev, "memsz", ram_size >> 20);
    625     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
    626     sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000);
    627 
    628     dev = sysbus_create_varargs(TYPE_INTEGRATOR_PIC, 0x14000000,
    629                                 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ),
    630                                 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ),
    631                                 NULL);
    632     for (i = 0; i < 32; i++) {
    633         pic[i] = qdev_get_gpio_in(dev, i);
    634     }
    635     sic = sysbus_create_simple(TYPE_INTEGRATOR_PIC, 0xca000000, pic[26]);
    636     sysbus_create_varargs("integrator_pit", 0x13000000,
    637                           pic[5], pic[6], pic[7], NULL);
    638     sysbus_create_simple("pl031", 0x15000000, pic[8]);
    639     pl011_create(0x16000000, pic[1], serial_hd(0));
    640     pl011_create(0x17000000, pic[2], serial_hd(1));
    641     icp = sysbus_create_simple(TYPE_ICP_CONTROL_REGS, 0xcb000000,
    642                                qdev_get_gpio_in(sic, 3));
    643     sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]);
    644     sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]);
    645     sysbus_create_simple(TYPE_INTEGRATOR_DEBUG, 0x1a000000, 0);
    646 
    647     dev = sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL);
    648     qdev_connect_gpio_out_named(dev, "card-read-only", 0,
    649                           qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_WPROT, 0));
    650     qdev_connect_gpio_out_named(dev, "card-inserted", 0,
    651                           qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_CARDIN, 0));
    652     dinfo = drive_get(IF_SD, 0, 0);
    653     if (dinfo) {
    654         DeviceState *card;
    655 
    656         card = qdev_new(TYPE_SD_CARD);
    657         qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
    658                                 &error_fatal);
    659         qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
    660                                &error_fatal);
    661     }
    662 
    663     sysbus_create_varargs("pl041", 0x1d000000, pic[25], NULL);
    664 
    665     if (nd_table[0].used)
    666         smc91c111_init(&nd_table[0], 0xc8000000, pic[27]);
    667 
    668     sysbus_create_simple("pl110", 0xc0000000, pic[22]);
    669 
    670     integrator_binfo.ram_size = ram_size;
    671     arm_load_kernel(cpu, machine, &integrator_binfo);
    672 }
    673 
    674 static void integratorcp_machine_init(MachineClass *mc)
    675 {
    676     mc->desc = "ARM Integrator/CP (ARM926EJ-S)";
    677     mc->init = integratorcp_init;
    678     mc->ignore_memory_transaction_failures = true;
    679     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
    680     mc->default_ram_id = "integrator.ram";
    681 }
    682 
    683 DEFINE_MACHINE("integratorcp", integratorcp_machine_init)
    684 
    685 static Property core_properties[] = {
    686     DEFINE_PROP_UINT32("memsz", IntegratorCMState, memsz, 0),
    687     DEFINE_PROP_END_OF_LIST(),
    688 };
    689 
    690 static void core_class_init(ObjectClass *klass, void *data)
    691 {
    692     DeviceClass *dc = DEVICE_CLASS(klass);
    693 
    694     device_class_set_props(dc, core_properties);
    695     dc->realize = integratorcm_realize;
    696     dc->vmsd = &vmstate_integratorcm;
    697 }
    698 
    699 static void icp_pic_class_init(ObjectClass *klass, void *data)
    700 {
    701     DeviceClass *dc = DEVICE_CLASS(klass);
    702 
    703     dc->vmsd = &vmstate_icp_pic;
    704 }
    705 
    706 static void icp_control_class_init(ObjectClass *klass, void *data)
    707 {
    708     DeviceClass *dc = DEVICE_CLASS(klass);
    709 
    710     dc->vmsd = &vmstate_icp_control;
    711 }
    712 
    713 static const TypeInfo core_info = {
    714     .name          = TYPE_INTEGRATOR_CM,
    715     .parent        = TYPE_SYS_BUS_DEVICE,
    716     .instance_size = sizeof(IntegratorCMState),
    717     .instance_init = integratorcm_init,
    718     .class_init    = core_class_init,
    719 };
    720 
    721 static const TypeInfo icp_pic_info = {
    722     .name          = TYPE_INTEGRATOR_PIC,
    723     .parent        = TYPE_SYS_BUS_DEVICE,
    724     .instance_size = sizeof(icp_pic_state),
    725     .instance_init = icp_pic_init,
    726     .class_init    = icp_pic_class_init,
    727 };
    728 
    729 static const TypeInfo icp_ctrl_regs_info = {
    730     .name          = TYPE_ICP_CONTROL_REGS,
    731     .parent        = TYPE_SYS_BUS_DEVICE,
    732     .instance_size = sizeof(ICPCtrlRegsState),
    733     .instance_init = icp_control_init,
    734     .class_init    = icp_control_class_init,
    735 };
    736 
    737 static void integratorcp_register_types(void)
    738 {
    739     type_register_static(&icp_pic_info);
    740     type_register_static(&core_info);
    741     type_register_static(&icp_ctrl_regs_info);
    742 }
    743 
    744 type_init(integratorcp_register_types)