diff options
Diffstat (limited to 'hw/timer/arm_timer.c')
-rw-r--r-- | hw/timer/arm_timer.c | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c index 798a8dabc7..acfea59779 100644 --- a/hw/timer/arm_timer.c +++ b/hw/timer/arm_timer.c @@ -179,14 +179,18 @@ static arm_timer_state *arm_timer_init(uint32_t freq) * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0271d/index.html */ -typedef struct { - SysBusDevice busdev; +#define TYPE_SP804 "sp804" +#define SP804(obj) OBJECT_CHECK(SP804State, (obj), TYPE_SP804) + +typedef struct SP804State { + SysBusDevice parent_obj; + MemoryRegion iomem; arm_timer_state *timer[2]; uint32_t freq0, freq1; int level[2]; qemu_irq irq; -} sp804_state; +} SP804State; static const uint8_t sp804_ids[] = { /* Timer ID */ @@ -198,7 +202,7 @@ static const uint8_t sp804_ids[] = { /* Merge the IRQs from the two component devices. */ static void sp804_set_irq(void *opaque, int irq, int level) { - sp804_state *s = (sp804_state *)opaque; + SP804State *s = (SP804State *)opaque; s->level[irq] = level; qemu_set_irq(s->irq, s->level[0] || s->level[1]); @@ -207,7 +211,7 @@ static void sp804_set_irq(void *opaque, int irq, int level) static uint64_t sp804_read(void *opaque, hwaddr offset, unsigned size) { - sp804_state *s = (sp804_state *)opaque; + SP804State *s = (SP804State *)opaque; if (offset < 0x20) { return arm_timer_read(s->timer[0], offset); @@ -239,7 +243,7 @@ static uint64_t sp804_read(void *opaque, hwaddr offset, static void sp804_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { - sp804_state *s = (sp804_state *)opaque; + SP804State *s = (SP804State *)opaque; if (offset < 0x20) { arm_timer_write(s->timer[0], offset, value); @@ -268,33 +272,39 @@ static const VMStateDescription vmstate_sp804 = { .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { - VMSTATE_INT32_ARRAY(level, sp804_state, 2), + VMSTATE_INT32_ARRAY(level, SP804State, 2), VMSTATE_END_OF_LIST() } }; -static int sp804_init(SysBusDevice *dev) +static int sp804_init(SysBusDevice *sbd) { - sp804_state *s = FROM_SYSBUS(sp804_state, dev); + DeviceState *dev = DEVICE(sbd); + SP804State *s = SP804(dev); qemu_irq *qi; qi = qemu_allocate_irqs(sp804_set_irq, s, 2); - sysbus_init_irq(dev, &s->irq); + sysbus_init_irq(sbd, &s->irq); s->timer[0] = arm_timer_init(s->freq0); s->timer[1] = arm_timer_init(s->freq1); s->timer[0]->irq = qi[0]; s->timer[1]->irq = qi[1]; memory_region_init_io(&s->iomem, OBJECT(s), &sp804_ops, s, "sp804", 0x1000); - sysbus_init_mmio(dev, &s->iomem); - vmstate_register(&dev->qdev, -1, &vmstate_sp804, s); + sysbus_init_mmio(sbd, &s->iomem); + vmstate_register(dev, -1, &vmstate_sp804, s); return 0; } /* Integrator/CP timer module. */ +#define TYPE_INTEGRATOR_PIT "integrator_pit" +#define INTEGRATOR_PIT(obj) \ + OBJECT_CHECK(icp_pit_state, (obj), TYPE_INTEGRATOR_PIT) + typedef struct { - SysBusDevice busdev; + SysBusDevice parent_obj; + MemoryRegion iomem; arm_timer_state *timer[3]; } icp_pit_state; @@ -336,7 +346,7 @@ static const MemoryRegionOps icp_pit_ops = { static int icp_pit_init(SysBusDevice *dev) { - icp_pit_state *s = FROM_SYSBUS(icp_pit_state, dev); + icp_pit_state *s = INTEGRATOR_PIT(dev); /* Timer 0 runs at the system clock speed (40MHz). */ s->timer[0] = arm_timer_init(40000000); @@ -364,15 +374,15 @@ static void icp_pit_class_init(ObjectClass *klass, void *data) } static const TypeInfo icp_pit_info = { - .name = "integrator_pit", + .name = TYPE_INTEGRATOR_PIT, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(icp_pit_state), .class_init = icp_pit_class_init, }; static Property sp804_properties[] = { - DEFINE_PROP_UINT32("freq0", sp804_state, freq0, 1000000), - DEFINE_PROP_UINT32("freq1", sp804_state, freq1, 1000000), + DEFINE_PROP_UINT32("freq0", SP804State, freq0, 1000000), + DEFINE_PROP_UINT32("freq1", SP804State, freq1, 1000000), DEFINE_PROP_END_OF_LIST(), }; @@ -386,9 +396,9 @@ static void sp804_class_init(ObjectClass *klass, void *data) } static const TypeInfo sp804_info = { - .name = "sp804", + .name = TYPE_SP804, .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(sp804_state), + .instance_size = sizeof(SP804State), .class_init = sp804_class_init, }; |