|  | /* | 
|  | * ARM Integrator CP System emulation. | 
|  | * | 
|  | * Copyright (c) 2005-2007 CodeSourcery. | 
|  | * Written by Paul Brook | 
|  | * | 
|  | * This code is licensed under the GPL | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "qapi/error.h" | 
|  | #include "cpu.h" | 
|  | #include "hw/sysbus.h" | 
|  | #include "migration/vmstate.h" | 
|  | #include "hw/boards.h" | 
|  | #include "hw/arm/boot.h" | 
|  | #include "hw/misc/arm_integrator_debug.h" | 
|  | #include "hw/net/smc91c111.h" | 
|  | #include "net/net.h" | 
|  | #include "exec/address-spaces.h" | 
|  | #include "sysemu/runstate.h" | 
|  | #include "sysemu/sysemu.h" | 
|  | #include "qemu/log.h" | 
|  | #include "qemu/error-report.h" | 
|  | #include "hw/char/pl011.h" | 
|  | #include "hw/hw.h" | 
|  | #include "hw/irq.h" | 
|  | #include "hw/sd/sd.h" | 
|  | #include "qom/object.h" | 
|  | #include "audio/audio.h" | 
|  |  | 
|  | #define TYPE_INTEGRATOR_CM "integrator_core" | 
|  | OBJECT_DECLARE_SIMPLE_TYPE(IntegratorCMState, INTEGRATOR_CM) | 
|  |  | 
|  | struct IntegratorCMState { | 
|  | /*< private >*/ | 
|  | SysBusDevice parent_obj; | 
|  | /*< public >*/ | 
|  |  | 
|  | MemoryRegion iomem; | 
|  | uint32_t memsz; | 
|  | MemoryRegion flash; | 
|  | uint32_t cm_osc; | 
|  | uint32_t cm_ctrl; | 
|  | uint32_t cm_lock; | 
|  | uint32_t cm_auxosc; | 
|  | uint32_t cm_sdram; | 
|  | uint32_t cm_init; | 
|  | uint32_t cm_flags; | 
|  | uint32_t cm_nvflags; | 
|  | uint32_t cm_refcnt_offset; | 
|  | uint32_t int_level; | 
|  | uint32_t irq_enabled; | 
|  | uint32_t fiq_enabled; | 
|  | }; | 
|  |  | 
|  | static uint8_t integrator_spd[128] = { | 
|  | 128, 8, 4, 11, 9, 1, 64, 0,  2, 0xa0, 0xa0, 0, 0, 8, 0, 1, | 
|  | 0xe, 4, 0x1c, 1, 2, 0x20, 0xc0, 0, 0, 0, 0, 0x30, 0x28, 0x30, 0x28, 0x40 | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_integratorcm = { | 
|  | .name = "integratorcm", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields      = (VMStateField[]) { | 
|  | VMSTATE_UINT32(cm_osc, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_ctrl, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_lock, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_auxosc, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_sdram, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_init, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_flags, IntegratorCMState), | 
|  | VMSTATE_UINT32(cm_nvflags, IntegratorCMState), | 
|  | VMSTATE_UINT32(int_level, IntegratorCMState), | 
|  | VMSTATE_UINT32(irq_enabled, IntegratorCMState), | 
|  | VMSTATE_UINT32(fiq_enabled, IntegratorCMState), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static uint64_t integratorcm_read(void *opaque, hwaddr offset, | 
|  | unsigned size) | 
|  | { | 
|  | IntegratorCMState *s = opaque; | 
|  | if (offset >= 0x100 && offset < 0x200) { | 
|  | /* CM_SPD */ | 
|  | if (offset >= 0x180) | 
|  | return 0; | 
|  | return integrator_spd[offset >> 2]; | 
|  | } | 
|  | switch (offset >> 2) { | 
|  | case 0: /* CM_ID */ | 
|  | return 0x411a3001; | 
|  | case 1: /* CM_PROC */ | 
|  | return 0; | 
|  | case 2: /* CM_OSC */ | 
|  | return s->cm_osc; | 
|  | case 3: /* CM_CTRL */ | 
|  | return s->cm_ctrl; | 
|  | case 4: /* CM_STAT */ | 
|  | return 0x00100000; | 
|  | case 5: /* CM_LOCK */ | 
|  | if (s->cm_lock == 0xa05f) { | 
|  | return 0x1a05f; | 
|  | } else { | 
|  | return s->cm_lock; | 
|  | } | 
|  | case 6: /* CM_LMBUSCNT */ | 
|  | /* ??? High frequency timer.  */ | 
|  | hw_error("integratorcm_read: CM_LMBUSCNT"); | 
|  | case 7: /* CM_AUXOSC */ | 
|  | return s->cm_auxosc; | 
|  | case 8: /* CM_SDRAM */ | 
|  | return s->cm_sdram; | 
|  | case 9: /* CM_INIT */ | 
|  | return s->cm_init; | 
|  | case 10: /* CM_REFCNT */ | 
|  | /* This register, CM_REFCNT, provides a 32-bit count value. | 
|  | * The count increments at the fixed reference clock frequency of 24MHz | 
|  | * and can be used as a real-time counter. | 
|  | */ | 
|  | return (uint32_t)muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24, | 
|  | 1000) - s->cm_refcnt_offset; | 
|  | case 12: /* CM_FLAGS */ | 
|  | return s->cm_flags; | 
|  | case 14: /* CM_NVFLAGS */ | 
|  | return s->cm_nvflags; | 
|  | case 16: /* CM_IRQ_STAT */ | 
|  | return s->int_level & s->irq_enabled; | 
|  | case 17: /* CM_IRQ_RSTAT */ | 
|  | return s->int_level; | 
|  | case 18: /* CM_IRQ_ENSET */ | 
|  | return s->irq_enabled; | 
|  | case 20: /* CM_SOFT_INTSET */ | 
|  | return s->int_level & 1; | 
|  | case 24: /* CM_FIQ_STAT */ | 
|  | return s->int_level & s->fiq_enabled; | 
|  | case 25: /* CM_FIQ_RSTAT */ | 
|  | return s->int_level; | 
|  | case 26: /* CM_FIQ_ENSET */ | 
|  | return s->fiq_enabled; | 
|  | case 32: /* CM_VOLTAGE_CTL0 */ | 
|  | case 33: /* CM_VOLTAGE_CTL1 */ | 
|  | case 34: /* CM_VOLTAGE_CTL2 */ | 
|  | case 35: /* CM_VOLTAGE_CTL3 */ | 
|  | /* ??? Voltage control unimplemented.  */ | 
|  | return 0; | 
|  | default: | 
|  | qemu_log_mask(LOG_UNIMP, | 
|  | "%s: Unimplemented offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void integratorcm_do_remap(IntegratorCMState *s) | 
|  | { | 
|  | /* Sync memory region state with CM_CTRL REMAP bit: | 
|  | * bit 0 => flash at address 0; bit 1 => RAM | 
|  | */ | 
|  | memory_region_set_enabled(&s->flash, !(s->cm_ctrl & 4)); | 
|  | } | 
|  |  | 
|  | static void integratorcm_set_ctrl(IntegratorCMState *s, uint32_t value) | 
|  | { | 
|  | if (value & 8) { | 
|  | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); | 
|  | } | 
|  | if ((s->cm_ctrl ^ value) & 1) { | 
|  | /* (value & 1) != 0 means the green "MISC LED" is lit. | 
|  | * We don't have any nice place to display LEDs. printf is a bad | 
|  | * idea because Linux uses the LED as a heartbeat and the output | 
|  | * will swamp anything else on the terminal. | 
|  | */ | 
|  | } | 
|  | /* Note that the RESET bit [3] always reads as zero */ | 
|  | s->cm_ctrl = (s->cm_ctrl & ~5) | (value & 5); | 
|  | integratorcm_do_remap(s); | 
|  | } | 
|  |  | 
|  | static void integratorcm_update(IntegratorCMState *s) | 
|  | { | 
|  | /* ??? The CPU irq/fiq is raised when either the core module or base PIC | 
|  | are active.  */ | 
|  | if (s->int_level & (s->irq_enabled | s->fiq_enabled)) | 
|  | hw_error("Core module interrupt\n"); | 
|  | } | 
|  |  | 
|  | static void integratorcm_write(void *opaque, hwaddr offset, | 
|  | uint64_t value, unsigned size) | 
|  | { | 
|  | IntegratorCMState *s = opaque; | 
|  | switch (offset >> 2) { | 
|  | case 2: /* CM_OSC */ | 
|  | if (s->cm_lock == 0xa05f) | 
|  | s->cm_osc = value; | 
|  | break; | 
|  | case 3: /* CM_CTRL */ | 
|  | integratorcm_set_ctrl(s, value); | 
|  | break; | 
|  | case 5: /* CM_LOCK */ | 
|  | s->cm_lock = value & 0xffff; | 
|  | break; | 
|  | case 7: /* CM_AUXOSC */ | 
|  | if (s->cm_lock == 0xa05f) | 
|  | s->cm_auxosc = value; | 
|  | break; | 
|  | case 8: /* CM_SDRAM */ | 
|  | s->cm_sdram = value; | 
|  | break; | 
|  | case 9: /* CM_INIT */ | 
|  | /* ??? This can change the memory bus frequency.  */ | 
|  | s->cm_init = value; | 
|  | break; | 
|  | case 12: /* CM_FLAGSS */ | 
|  | s->cm_flags |= value; | 
|  | break; | 
|  | case 13: /* CM_FLAGSC */ | 
|  | s->cm_flags &= ~value; | 
|  | break; | 
|  | case 14: /* CM_NVFLAGSS */ | 
|  | s->cm_nvflags |= value; | 
|  | break; | 
|  | case 15: /* CM_NVFLAGSS */ | 
|  | s->cm_nvflags &= ~value; | 
|  | break; | 
|  | case 18: /* CM_IRQ_ENSET */ | 
|  | s->irq_enabled |= value; | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 19: /* CM_IRQ_ENCLR */ | 
|  | s->irq_enabled &= ~value; | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 20: /* CM_SOFT_INTSET */ | 
|  | s->int_level |= (value & 1); | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 21: /* CM_SOFT_INTCLR */ | 
|  | s->int_level &= ~(value & 1); | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 26: /* CM_FIQ_ENSET */ | 
|  | s->fiq_enabled |= value; | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 27: /* CM_FIQ_ENCLR */ | 
|  | s->fiq_enabled &= ~value; | 
|  | integratorcm_update(s); | 
|  | break; | 
|  | case 32: /* CM_VOLTAGE_CTL0 */ | 
|  | case 33: /* CM_VOLTAGE_CTL1 */ | 
|  | case 34: /* CM_VOLTAGE_CTL2 */ | 
|  | case 35: /* CM_VOLTAGE_CTL3 */ | 
|  | /* ??? Voltage control unimplemented.  */ | 
|  | break; | 
|  | default: | 
|  | qemu_log_mask(LOG_UNIMP, | 
|  | "%s: Unimplemented offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Integrator/CM control registers.  */ | 
|  |  | 
|  | static const MemoryRegionOps integratorcm_ops = { | 
|  | .read = integratorcm_read, | 
|  | .write = integratorcm_write, | 
|  | .endianness = DEVICE_NATIVE_ENDIAN, | 
|  | }; | 
|  |  | 
|  | static void integratorcm_init(Object *obj) | 
|  | { | 
|  | IntegratorCMState *s = INTEGRATOR_CM(obj); | 
|  |  | 
|  | s->cm_osc = 0x01000048; | 
|  | /* ??? What should the high bits of this value be?  */ | 
|  | s->cm_auxosc = 0x0007feff; | 
|  | s->cm_sdram = 0x00011122; | 
|  | memcpy(integrator_spd + 73, "QEMU-MEMORY", 11); | 
|  | s->cm_init = 0x00000112; | 
|  | s->cm_refcnt_offset = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24, | 
|  | 1000); | 
|  |  | 
|  | /* ??? Save/restore.  */ | 
|  | } | 
|  |  | 
|  | static void integratorcm_realize(DeviceState *d, Error **errp) | 
|  | { | 
|  | IntegratorCMState *s = INTEGRATOR_CM(d); | 
|  | SysBusDevice *dev = SYS_BUS_DEVICE(d); | 
|  | Error *local_err = NULL; | 
|  |  | 
|  | memory_region_init_ram(&s->flash, OBJECT(d), "integrator.flash", 0x100000, | 
|  | &local_err); | 
|  | if (local_err) { | 
|  | error_propagate(errp, local_err); | 
|  | return; | 
|  | } | 
|  |  | 
|  | memory_region_init_io(&s->iomem, OBJECT(d), &integratorcm_ops, s, | 
|  | "integratorcm", 0x00800000); | 
|  | sysbus_init_mmio(dev, &s->iomem); | 
|  |  | 
|  | integratorcm_do_remap(s); | 
|  |  | 
|  | if (s->memsz >= 256) { | 
|  | integrator_spd[31] = 64; | 
|  | s->cm_sdram |= 0x10; | 
|  | } else if (s->memsz >= 128) { | 
|  | integrator_spd[31] = 32; | 
|  | s->cm_sdram |= 0x0c; | 
|  | } else if (s->memsz >= 64) { | 
|  | integrator_spd[31] = 16; | 
|  | s->cm_sdram |= 0x08; | 
|  | } else if (s->memsz >= 32) { | 
|  | integrator_spd[31] = 4; | 
|  | s->cm_sdram |= 0x04; | 
|  | } else { | 
|  | integrator_spd[31] = 2; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Integrator/CP hardware emulation.  */ | 
|  | /* Primary interrupt controller.  */ | 
|  |  | 
|  | #define TYPE_INTEGRATOR_PIC "integrator_pic" | 
|  | OBJECT_DECLARE_SIMPLE_TYPE(icp_pic_state, INTEGRATOR_PIC) | 
|  |  | 
|  | struct icp_pic_state { | 
|  | /*< private >*/ | 
|  | SysBusDevice parent_obj; | 
|  | /*< public >*/ | 
|  |  | 
|  | MemoryRegion iomem; | 
|  | uint32_t level; | 
|  | uint32_t irq_enabled; | 
|  | uint32_t fiq_enabled; | 
|  | qemu_irq parent_irq; | 
|  | qemu_irq parent_fiq; | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_icp_pic = { | 
|  | .name = "icp_pic", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields      = (VMStateField[]) { | 
|  | VMSTATE_UINT32(level, icp_pic_state), | 
|  | VMSTATE_UINT32(irq_enabled, icp_pic_state), | 
|  | VMSTATE_UINT32(fiq_enabled, icp_pic_state), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void icp_pic_update(icp_pic_state *s) | 
|  | { | 
|  | uint32_t flags; | 
|  |  | 
|  | flags = (s->level & s->irq_enabled); | 
|  | qemu_set_irq(s->parent_irq, flags != 0); | 
|  | flags = (s->level & s->fiq_enabled); | 
|  | qemu_set_irq(s->parent_fiq, flags != 0); | 
|  | } | 
|  |  | 
|  | static void icp_pic_set_irq(void *opaque, int irq, int level) | 
|  | { | 
|  | icp_pic_state *s = (icp_pic_state *)opaque; | 
|  | if (level) | 
|  | s->level |= 1 << irq; | 
|  | else | 
|  | s->level &= ~(1 << irq); | 
|  | icp_pic_update(s); | 
|  | } | 
|  |  | 
|  | static uint64_t icp_pic_read(void *opaque, hwaddr offset, | 
|  | unsigned size) | 
|  | { | 
|  | icp_pic_state *s = (icp_pic_state *)opaque; | 
|  |  | 
|  | switch (offset >> 2) { | 
|  | case 0: /* IRQ_STATUS */ | 
|  | return s->level & s->irq_enabled; | 
|  | case 1: /* IRQ_RAWSTAT */ | 
|  | return s->level; | 
|  | case 2: /* IRQ_ENABLESET */ | 
|  | return s->irq_enabled; | 
|  | case 4: /* INT_SOFTSET */ | 
|  | return s->level & 1; | 
|  | case 8: /* FRQ_STATUS */ | 
|  | return s->level & s->fiq_enabled; | 
|  | case 9: /* FRQ_RAWSTAT */ | 
|  | return s->level; | 
|  | case 10: /* FRQ_ENABLESET */ | 
|  | return s->fiq_enabled; | 
|  | case 3: /* IRQ_ENABLECLR */ | 
|  | case 5: /* INT_SOFTCLR */ | 
|  | case 11: /* FRQ_ENABLECLR */ | 
|  | default: | 
|  | qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void icp_pic_write(void *opaque, hwaddr offset, | 
|  | uint64_t value, unsigned size) | 
|  | { | 
|  | icp_pic_state *s = (icp_pic_state *)opaque; | 
|  |  | 
|  | switch (offset >> 2) { | 
|  | case 2: /* IRQ_ENABLESET */ | 
|  | s->irq_enabled |= value; | 
|  | break; | 
|  | case 3: /* IRQ_ENABLECLR */ | 
|  | s->irq_enabled &= ~value; | 
|  | break; | 
|  | case 4: /* INT_SOFTSET */ | 
|  | if (value & 1) | 
|  | icp_pic_set_irq(s, 0, 1); | 
|  | break; | 
|  | case 5: /* INT_SOFTCLR */ | 
|  | if (value & 1) | 
|  | icp_pic_set_irq(s, 0, 0); | 
|  | break; | 
|  | case 10: /* FRQ_ENABLESET */ | 
|  | s->fiq_enabled |= value; | 
|  | break; | 
|  | case 11: /* FRQ_ENABLECLR */ | 
|  | s->fiq_enabled &= ~value; | 
|  | break; | 
|  | case 0: /* IRQ_STATUS */ | 
|  | case 1: /* IRQ_RAWSTAT */ | 
|  | case 8: /* FRQ_STATUS */ | 
|  | case 9: /* FRQ_RAWSTAT */ | 
|  | default: | 
|  | qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | return; | 
|  | } | 
|  | icp_pic_update(s); | 
|  | } | 
|  |  | 
|  | static const MemoryRegionOps icp_pic_ops = { | 
|  | .read = icp_pic_read, | 
|  | .write = icp_pic_write, | 
|  | .endianness = DEVICE_NATIVE_ENDIAN, | 
|  | }; | 
|  |  | 
|  | static void icp_pic_init(Object *obj) | 
|  | { | 
|  | DeviceState *dev = DEVICE(obj); | 
|  | icp_pic_state *s = INTEGRATOR_PIC(obj); | 
|  | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | 
|  |  | 
|  | qdev_init_gpio_in(dev, icp_pic_set_irq, 32); | 
|  | sysbus_init_irq(sbd, &s->parent_irq); | 
|  | sysbus_init_irq(sbd, &s->parent_fiq); | 
|  | memory_region_init_io(&s->iomem, obj, &icp_pic_ops, s, | 
|  | "icp-pic", 0x00800000); | 
|  | sysbus_init_mmio(sbd, &s->iomem); | 
|  | } | 
|  |  | 
|  | /* CP control registers.  */ | 
|  |  | 
|  | #define TYPE_ICP_CONTROL_REGS "icp-ctrl-regs" | 
|  | OBJECT_DECLARE_SIMPLE_TYPE(ICPCtrlRegsState, ICP_CONTROL_REGS) | 
|  |  | 
|  | struct ICPCtrlRegsState { | 
|  | /*< private >*/ | 
|  | SysBusDevice parent_obj; | 
|  | /*< public >*/ | 
|  |  | 
|  | MemoryRegion iomem; | 
|  |  | 
|  | qemu_irq mmc_irq; | 
|  | uint32_t intreg_state; | 
|  | }; | 
|  |  | 
|  | #define ICP_GPIO_MMC_WPROT      "mmc-wprot" | 
|  | #define ICP_GPIO_MMC_CARDIN     "mmc-cardin" | 
|  |  | 
|  | #define ICP_INTREG_WPROT        (1 << 0) | 
|  | #define ICP_INTREG_CARDIN       (1 << 3) | 
|  |  | 
|  | static const VMStateDescription vmstate_icp_control = { | 
|  | .name = "icp_control", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields      = (VMStateField[]) { | 
|  | VMSTATE_UINT32(intreg_state, ICPCtrlRegsState), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static uint64_t icp_control_read(void *opaque, hwaddr offset, | 
|  | unsigned size) | 
|  | { | 
|  | ICPCtrlRegsState *s = opaque; | 
|  |  | 
|  | switch (offset >> 2) { | 
|  | case 0: /* CP_IDFIELD */ | 
|  | return 0x41034003; | 
|  | case 1: /* CP_FLASHPROG */ | 
|  | return 0; | 
|  | case 2: /* CP_INTREG */ | 
|  | return s->intreg_state; | 
|  | case 3: /* CP_DECODE */ | 
|  | return 0x11; | 
|  | default: | 
|  | qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void icp_control_write(void *opaque, hwaddr offset, | 
|  | uint64_t value, unsigned size) | 
|  | { | 
|  | ICPCtrlRegsState *s = opaque; | 
|  |  | 
|  | switch (offset >> 2) { | 
|  | case 2: /* CP_INTREG */ | 
|  | s->intreg_state &= ~(value & ICP_INTREG_CARDIN); | 
|  | qemu_set_irq(s->mmc_irq, !!(s->intreg_state & ICP_INTREG_CARDIN)); | 
|  | break; | 
|  | case 1: /* CP_FLASHPROG */ | 
|  | case 3: /* CP_DECODE */ | 
|  | /* Nothing interesting implemented yet.  */ | 
|  | break; | 
|  | default: | 
|  | qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n", | 
|  | __func__, offset); | 
|  | } | 
|  | } | 
|  |  | 
|  | static const MemoryRegionOps icp_control_ops = { | 
|  | .read = icp_control_read, | 
|  | .write = icp_control_write, | 
|  | .endianness = DEVICE_NATIVE_ENDIAN, | 
|  | }; | 
|  |  | 
|  | static void icp_control_mmc_wprot(void *opaque, int line, int level) | 
|  | { | 
|  | ICPCtrlRegsState *s = opaque; | 
|  |  | 
|  | s->intreg_state &= ~ICP_INTREG_WPROT; | 
|  | if (level) { | 
|  | s->intreg_state |= ICP_INTREG_WPROT; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void icp_control_mmc_cardin(void *opaque, int line, int level) | 
|  | { | 
|  | ICPCtrlRegsState *s = opaque; | 
|  |  | 
|  | /* line is released by writing to CP_INTREG */ | 
|  | if (level) { | 
|  | s->intreg_state |= ICP_INTREG_CARDIN; | 
|  | qemu_set_irq(s->mmc_irq, 1); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void icp_control_init(Object *obj) | 
|  | { | 
|  | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | 
|  | ICPCtrlRegsState *s = ICP_CONTROL_REGS(obj); | 
|  | DeviceState *dev = DEVICE(obj); | 
|  |  | 
|  | memory_region_init_io(&s->iomem, OBJECT(s), &icp_control_ops, s, | 
|  | "icp_ctrl_regs", 0x00800000); | 
|  | sysbus_init_mmio(sbd, &s->iomem); | 
|  |  | 
|  | qdev_init_gpio_in_named(dev, icp_control_mmc_wprot, ICP_GPIO_MMC_WPROT, 1); | 
|  | qdev_init_gpio_in_named(dev, icp_control_mmc_cardin, | 
|  | ICP_GPIO_MMC_CARDIN, 1); | 
|  | sysbus_init_irq(sbd, &s->mmc_irq); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* Board init.  */ | 
|  |  | 
|  | static struct arm_boot_info integrator_binfo = { | 
|  | .loader_start = 0x0, | 
|  | .board_id = 0x113, | 
|  | }; | 
|  |  | 
|  | static void integratorcp_init(MachineState *machine) | 
|  | { | 
|  | ram_addr_t ram_size = machine->ram_size; | 
|  | Object *cpuobj; | 
|  | ARMCPU *cpu; | 
|  | MemoryRegion *address_space_mem = get_system_memory(); | 
|  | MemoryRegion *ram_alias = g_new(MemoryRegion, 1); | 
|  | qemu_irq pic[32]; | 
|  | DeviceState *dev, *sic, *icp; | 
|  | DriveInfo *dinfo; | 
|  | int i; | 
|  |  | 
|  | cpuobj = object_new(machine->cpu_type); | 
|  |  | 
|  | /* By default ARM1176 CPUs have EL3 enabled.  This board does not | 
|  | * currently support EL3 so the CPU EL3 property is disabled before | 
|  | * realization. | 
|  | */ | 
|  | if (object_property_find(cpuobj, "has_el3")) { | 
|  | object_property_set_bool(cpuobj, "has_el3", false, &error_fatal); | 
|  | } | 
|  |  | 
|  | qdev_realize(DEVICE(cpuobj), NULL, &error_fatal); | 
|  |  | 
|  | cpu = ARM_CPU(cpuobj); | 
|  |  | 
|  | /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash.  */ | 
|  | /* ??? RAM should repeat to fill physical memory space.  */ | 
|  | /* SDRAM at address zero*/ | 
|  | memory_region_add_subregion(address_space_mem, 0, machine->ram); | 
|  | /* And again at address 0x80000000 */ | 
|  | memory_region_init_alias(ram_alias, NULL, "ram.alias", machine->ram, | 
|  | 0, ram_size); | 
|  | memory_region_add_subregion(address_space_mem, 0x80000000, ram_alias); | 
|  |  | 
|  | dev = qdev_new(TYPE_INTEGRATOR_CM); | 
|  | qdev_prop_set_uint32(dev, "memsz", ram_size >> 20); | 
|  | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); | 
|  | sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000); | 
|  |  | 
|  | dev = sysbus_create_varargs(TYPE_INTEGRATOR_PIC, 0x14000000, | 
|  | qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ), | 
|  | qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ), | 
|  | NULL); | 
|  | for (i = 0; i < 32; i++) { | 
|  | pic[i] = qdev_get_gpio_in(dev, i); | 
|  | } | 
|  | sic = sysbus_create_simple(TYPE_INTEGRATOR_PIC, 0xca000000, pic[26]); | 
|  | sysbus_create_varargs("integrator_pit", 0x13000000, | 
|  | pic[5], pic[6], pic[7], NULL); | 
|  | sysbus_create_simple("pl031", 0x15000000, pic[8]); | 
|  | pl011_create(0x16000000, pic[1], serial_hd(0)); | 
|  | pl011_create(0x17000000, pic[2], serial_hd(1)); | 
|  | icp = sysbus_create_simple(TYPE_ICP_CONTROL_REGS, 0xcb000000, | 
|  | qdev_get_gpio_in(sic, 3)); | 
|  | sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]); | 
|  | sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]); | 
|  | sysbus_create_simple(TYPE_INTEGRATOR_DEBUG, 0x1a000000, 0); | 
|  |  | 
|  | dev = sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL); | 
|  | qdev_connect_gpio_out_named(dev, "card-read-only", 0, | 
|  | qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_WPROT, 0)); | 
|  | qdev_connect_gpio_out_named(dev, "card-inserted", 0, | 
|  | qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_CARDIN, 0)); | 
|  | dinfo = drive_get(IF_SD, 0, 0); | 
|  | if (dinfo) { | 
|  | DeviceState *card; | 
|  |  | 
|  | card = qdev_new(TYPE_SD_CARD); | 
|  | qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo), | 
|  | &error_fatal); | 
|  | qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"), | 
|  | &error_fatal); | 
|  | } | 
|  |  | 
|  | dev = qdev_new("pl041"); | 
|  | if (machine->audiodev) { | 
|  | qdev_prop_set_string(dev, "audiodev", machine->audiodev); | 
|  | } | 
|  | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x1d000000); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[25]); | 
|  |  | 
|  | if (nd_table[0].used) | 
|  | smc91c111_init(&nd_table[0], 0xc8000000, pic[27]); | 
|  |  | 
|  | sysbus_create_simple("pl110", 0xc0000000, pic[22]); | 
|  |  | 
|  | integrator_binfo.ram_size = ram_size; | 
|  | arm_load_kernel(cpu, machine, &integrator_binfo); | 
|  | } | 
|  |  | 
|  | static void integratorcp_machine_init(MachineClass *mc) | 
|  | { | 
|  | mc->desc = "ARM Integrator/CP (ARM926EJ-S)"; | 
|  | mc->init = integratorcp_init; | 
|  | mc->ignore_memory_transaction_failures = true; | 
|  | mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926"); | 
|  | mc->default_ram_id = "integrator.ram"; | 
|  |  | 
|  | machine_add_audiodev_property(mc); | 
|  | } | 
|  |  | 
|  | DEFINE_MACHINE("integratorcp", integratorcp_machine_init) | 
|  |  | 
|  | static Property core_properties[] = { | 
|  | DEFINE_PROP_UINT32("memsz", IntegratorCMState, memsz, 0), | 
|  | DEFINE_PROP_END_OF_LIST(), | 
|  | }; | 
|  |  | 
|  | static void core_class_init(ObjectClass *klass, void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(klass); | 
|  |  | 
|  | device_class_set_props(dc, core_properties); | 
|  | dc->realize = integratorcm_realize; | 
|  | dc->vmsd = &vmstate_integratorcm; | 
|  | } | 
|  |  | 
|  | static void icp_pic_class_init(ObjectClass *klass, void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(klass); | 
|  |  | 
|  | dc->vmsd = &vmstate_icp_pic; | 
|  | } | 
|  |  | 
|  | static void icp_control_class_init(ObjectClass *klass, void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(klass); | 
|  |  | 
|  | dc->vmsd = &vmstate_icp_control; | 
|  | } | 
|  |  | 
|  | static const TypeInfo core_info = { | 
|  | .name          = TYPE_INTEGRATOR_CM, | 
|  | .parent        = TYPE_SYS_BUS_DEVICE, | 
|  | .instance_size = sizeof(IntegratorCMState), | 
|  | .instance_init = integratorcm_init, | 
|  | .class_init    = core_class_init, | 
|  | }; | 
|  |  | 
|  | static const TypeInfo icp_pic_info = { | 
|  | .name          = TYPE_INTEGRATOR_PIC, | 
|  | .parent        = TYPE_SYS_BUS_DEVICE, | 
|  | .instance_size = sizeof(icp_pic_state), | 
|  | .instance_init = icp_pic_init, | 
|  | .class_init    = icp_pic_class_init, | 
|  | }; | 
|  |  | 
|  | static const TypeInfo icp_ctrl_regs_info = { | 
|  | .name          = TYPE_ICP_CONTROL_REGS, | 
|  | .parent        = TYPE_SYS_BUS_DEVICE, | 
|  | .instance_size = sizeof(ICPCtrlRegsState), | 
|  | .instance_init = icp_control_init, | 
|  | .class_init    = icp_control_class_init, | 
|  | }; | 
|  |  | 
|  | static void integratorcp_register_types(void) | 
|  | { | 
|  | type_register_static(&icp_pic_info); | 
|  | type_register_static(&core_info); | 
|  | type_register_static(&icp_ctrl_regs_info); | 
|  | } | 
|  |  | 
|  | type_init(integratorcp_register_types) |