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mac_via: remove mac_via device

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Remove the mac_via device and wire up both q800 VIA1 and VIA2 directly for the
m68k q800 machine.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210830102447.10806-10-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2021-08-30 11:24:44 +01:00 • committed by Laurent Vivier
parent 846ae7c636
commit 02a68a3e65
3 changed files with 35 additions and 96 deletions
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78
hw/misc/mac_via.c
View file

@ -34,11 +34,9 @@
#include "qemu/log.h"
/*
* VIAs: There are two in every machine,
* VIAs: There are two in every machine
*/
#define VIA_SIZE (0x2000)
/*
* Not all of these are true post MacII I think.
* CSA: probably the ones CHRP marks as 'unused' change purposes
@ -945,52 +943,6 @@ static const MemoryRegionOps mos6522_q800_via2_ops = {
},
};
static void mac_via_realize(DeviceState *dev, Error **errp)
{
MacVIAState *m = MAC_VIA(dev);
MOS6522State *ms;
/* Pass through mos6522 output IRQs */
ms = MOS6522(&m->mos6522_via1);
object_property_add_alias(OBJECT(dev), "irq[0]", OBJECT(ms),
SYSBUS_DEVICE_GPIO_IRQ "[0]");
ms = MOS6522(&m->mos6522_via2);
object_property_add_alias(OBJECT(dev), "irq[1]", OBJECT(ms),
SYSBUS_DEVICE_GPIO_IRQ "[0]");
sysbus_realize(SYS_BUS_DEVICE(&m->mos6522_via1), &error_abort);
sysbus_realize(SYS_BUS_DEVICE(&m->mos6522_via2), &error_abort);
/* Pass through mos6522 input IRQs */
qdev_pass_gpios(DEVICE(&m->mos6522_via1), dev, "via1-irq");
qdev_pass_gpios(DEVICE(&m->mos6522_via2), dev, "via2-irq");
}
static void mac_via_init(Object *obj)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
MacVIAState *m = MAC_VIA(obj);
/* MMIO */
memory_region_init(&m->mmio, obj, "mac-via", 2 * VIA_SIZE);
sysbus_init_mmio(sbd, &m->mmio);
memory_region_init_io(&m->via1mem, obj, &mos6522_q800_via1_ops,
&m->mos6522_via1, "via1", VIA_SIZE);
memory_region_add_subregion(&m->mmio, 0x0, &m->via1mem);
memory_region_init_io(&m->via2mem, obj, &mos6522_q800_via2_ops,
&m->mos6522_via2, "via2", VIA_SIZE);
memory_region_add_subregion(&m->mmio, VIA_SIZE, &m->via2mem);
/* Init VIAs 1 and 2 */
object_initialize_child(obj, "via1", &m->mos6522_via1,
TYPE_MOS6522_Q800_VIA1);
object_initialize_child(obj, "via2", &m->mos6522_via2,
TYPE_MOS6522_Q800_VIA2);
}
static void via1_postload_update_cb(void *opaque, bool running, RunState state)
{
MOS6522Q800VIA1State *v1s = MOS6522_Q800_VIA1(opaque);
@ -1013,21 +965,6 @@ static int via1_post_load(void *opaque, int version_id)
return 0;
}
static void mac_via_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = mac_via_realize;
}
static TypeInfo mac_via_info = {
.name = TYPE_MAC_VIA,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(MacVIAState),
.instance_init = mac_via_init,
.class_init = mac_via_class_init,
};
/* VIA 1 */
static void mos6522_q800_via1_reset(DeviceState *dev)
{
@ -1095,6 +1032,11 @@ static void mos6522_q800_via1_realize(DeviceState *dev, Error **errp)
static void mos6522_q800_via1_init(Object *obj)
{
MOS6522Q800VIA1State *v1s = MOS6522_Q800_VIA1(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(v1s);
memory_region_init_io(&v1s->via_mem, obj, &mos6522_q800_via1_ops, v1s,
"via1", VIA_SIZE);
sysbus_init_mmio(sbd, &v1s->via_mem);
/* ADB */
qbus_create_inplace((BusState *)&v1s->adb_bus, sizeof(v1s->adb_bus),
@ -1187,6 +1129,13 @@ static void mos6522_q800_via2_reset(DeviceState *dev)
static void mos6522_q800_via2_init(Object *obj)
{
MOS6522Q800VIA2State *v2s = MOS6522_Q800_VIA2(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(v2s);
memory_region_init_io(&v2s->via_mem, obj, &mos6522_q800_via2_ops, v2s,
"via2", VIA_SIZE);
sysbus_init_mmio(sbd, &v2s->via_mem);
qdev_init_gpio_in_named(DEVICE(obj), via2_irq_request, "via2-irq",
VIA2_IRQ_NB);
}
@ -1224,7 +1173,6 @@ static void mac_via_register_types(void)
{
type_register_static(&mos6522_q800_via1_type_info);
type_register_static(&mos6522_q800_via2_type_info);
type_register_static(&mac_via_info);
}
type_init(mac_via_register_types);