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hw/i2c: QOM'ify omap_i2c.c 

* Split the omap_i2c_init into an instance_init and realize function
* Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-4-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
xiaoqiang zhao 2016-06-14 15:59:13 +01:00 committed by Peter Maydell
parent 93d6599f46
commit 758aba7d73
1 changed files with 26 additions and 18 deletions
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44
hw/i2c/omap_i2c.c
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@ -22,6 +22,7 @@
#include "hw/arm/omap.h"
#include "hw/sysbus.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#define TYPE_OMAP_I2C "omap_i2c"
#define OMAP_I2C(obj) OBJECT_CHECK(OMAPI2CState, (obj), TYPE_OMAP_I2C)
@ -445,29 +446,35 @@ static const MemoryRegionOps omap_i2c_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
static int omap_i2c_init(SysBusDevice *sbd)
static void omap_i2c_init(Object *obj)
{
DeviceState *dev = DEVICE(sbd);
OMAPI2CState *s = OMAP_I2C(dev);
if (!s->fclk) {
error_report("omap_i2c: fclk not connected");
return -1;
}
if (s->revision >= OMAP2_INTR_REV && !s->iclk) {
/* Note that OMAP1 doesn't have a separate interface clock */
error_report("omap_i2c: iclk not connected");
return -1;
}
DeviceState *dev = DEVICE(obj);
OMAPI2CState *s = OMAP_I2C(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
sysbus_init_irq(sbd, &s->irq);
sysbus_init_irq(sbd, &s->drq[0]);
sysbus_init_irq(sbd, &s->drq[1]);
memory_region_init_io(&s->iomem, OBJECT(s), &omap_i2c_ops, s, "omap.i2c",
(s->revision < OMAP2_INTR_REV) ? 0x800 : 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
s->bus = i2c_init_bus(dev, NULL);
return 0;
}
static void omap_i2c_realize(DeviceState *dev, Error **errp)
{
OMAPI2CState *s = OMAP_I2C(dev);
memory_region_init_io(&s->iomem, OBJECT(dev), &omap_i2c_ops, s, "omap.i2c",
(s->revision < OMAP2_INTR_REV) ? 0x800 : 0x1000);
if (!s->fclk) {
error_setg(errp, "omap_i2c: fclk not connected");
return;
}
if (s->revision >= OMAP2_INTR_REV && !s->iclk) {
/* Note that OMAP1 doesn't have a separate interface clock */
error_setg(errp, "omap_i2c: iclk not connected");
return;
}
}
static Property omap_i2c_properties[] = {
@ -480,18 +487,19 @@ static Property omap_i2c_properties[] = {
static void omap_i2c_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = omap_i2c_init;
dc->props = omap_i2c_properties;
dc->reset = omap_i2c_reset;
/* Reason: pointer properties "iclk", "fclk" */
dc->cannot_instantiate_with_device_add_yet = true;
dc->realize = omap_i2c_realize;
}
static const TypeInfo omap_i2c_info = {
.name = TYPE_OMAP_I2C,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(OMAPI2CState),
.instance_init = omap_i2c_init,
.class_init = omap_i2c_class_init,
};