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serial-mm: use sysbus facilities 

Make SerialMM a regular sysbus device, by registering the irq, and the
mmio region. Reexport the internal serial properties.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marc-André Lureau 2019-11-20 12:28:15 +04:00
parent 80b2eed95d
commit 9bc7176c8c
1 changed files with 28 additions and 22 deletions
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50
hw/char/serial.c
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@ -1044,18 +1044,6 @@ static void serial_mm_write(void *opaque, hwaddr addr,
serial_ioport_write(&s->serial, addr >> s->regshift, value, 1);
}
static void serial_mm_realize(DeviceState *dev, Error **errp)
{
SerialMM *s = SERIAL_MM(dev);
Error *local_err = NULL;
object_property_set_bool(OBJECT(&s->serial), true, "realized", &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
}
static const MemoryRegionOps serial_mm_ops[3] = {
[DEVICE_NATIVE_ENDIAN] = {
.read = serial_mm_read,
@ -1080,26 +1068,42 @@ static const MemoryRegionOps serial_mm_ops[3] = {
},
};
static void serial_mm_realize(DeviceState *dev, Error **errp)
{
SerialMM *smm = SERIAL_MM(dev);
SerialState *s = &smm->serial;
Error *local_err = NULL;
object_property_set_bool(OBJECT(s), true, "realized", &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
memory_region_init_io(&s->io, NULL, &serial_mm_ops[smm->endianness], smm,
"serial", 8 << smm->regshift);
sysbus_init_mmio(SYS_BUS_DEVICE(smm), &s->io);
sysbus_init_irq(SYS_BUS_DEVICE(smm), &smm->serial.irq);
}
SerialMM *serial_mm_init(MemoryRegion *address_space,
hwaddr base, int regshift,
qemu_irq irq, int baudbase,
Chardev *chr, enum device_endian end)
{
SerialMM *smm = SERIAL_MM(qdev_create(NULL, TYPE_SERIAL_MM));
SerialState *s = &smm->serial;
MemoryRegion *mr;
qdev_prop_set_uint8(DEVICE(smm), "regshift", regshift);
s->irq = irq;
qdev_prop_set_uint32(DEVICE(s), "baudbase", baudbase);
qdev_prop_set_chr(DEVICE(s), "chardev", chr);
qdev_set_legacy_instance_id(DEVICE(s), base, 2);
qdev_prop_set_uint8(DEVICE(self), "endianness", end);
qdev_prop_set_uint32(DEVICE(smm), "baudbase", baudbase);
qdev_prop_set_chr(DEVICE(smm), "chardev", chr);
qdev_set_legacy_instance_id(DEVICE(smm), base, 2);
qdev_prop_set_uint8(DEVICE(smm), "endianness", end);
qdev_init_nofail(DEVICE(smm));
memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], smm,
"serial", 8 << regshift);
memory_region_add_subregion(address_space, base, &s->io);
sysbus_connect_irq(SYS_BUS_DEVICE(smm), 0, irq);
mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(smm), 0);
memory_region_add_subregion(address_space, base, mr);
return smm;
}
@ -1110,6 +1114,8 @@ static void serial_mm_instance_init(Object *o)
object_initialize_child(o, "serial", &smm->serial, sizeof(smm->serial),
TYPE_SERIAL, &error_abort, NULL);
qdev_alias_all_properties(DEVICE(&smm->serial), o);
}
static Property serial_mm_properties[] = {