From 02a68a3e6588b4bea4e1abbf16aa9949c084e8bc Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Mon, 30 Aug 2021 11:24:44 +0100 Subject: [PATCH] mac_via: remove mac_via device 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 Reviewed-by: Laurent Vivier Message-Id: <20210830102447.10806-10-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier --- hw/m68k/q800.c | 32 ++++++++-------- hw/misc/mac_via.c | 78 +++++++-------------------------------- include/hw/misc/mac_via.h | 21 +++-------- 3 files changed, 35 insertions(+), 96 deletions(-) diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index e14f68f19b..ec28e69802 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -225,7 +225,7 @@ static void q800_init(MachineState *machine) hwaddr parameters_base; CPUState *cs; DeviceState *dev; - DeviceState *via_dev, *via1_dev; + DeviceState *via1_dev, *via2_dev; DeviceState *escc_orgate; SysBusESPState *sysbus_esp; ESPState *esp; @@ -270,28 +270,30 @@ static void q800_init(MachineState *machine) object_property_set_link(OBJECT(glue), "cpu", OBJECT(cpu), &error_abort); sysbus_realize_and_unref(SYS_BUS_DEVICE(glue), &error_fatal); - /* VIA */ - - via_dev = qdev_new(TYPE_MAC_VIA); + /* VIA 1 */ + via1_dev = qdev_new(TYPE_MOS6522_Q800_VIA1); dinfo = drive_get(IF_MTD, 0, 0); if (dinfo) { - qdev_prop_set_drive(via_dev, "drive", blk_by_legacy_dinfo(dinfo)); + qdev_prop_set_drive(via1_dev, "drive", blk_by_legacy_dinfo(dinfo)); } - sysbus = SYS_BUS_DEVICE(via_dev); + sysbus = SYS_BUS_DEVICE(via1_dev); sysbus_realize_and_unref(sysbus, &error_fatal); - sysbus_mmio_map(sysbus, 0, VIA_BASE); - qdev_connect_gpio_out_named(DEVICE(sysbus), "irq", 0, - qdev_get_gpio_in(glue, 0)); - qdev_connect_gpio_out_named(DEVICE(sysbus), "irq", 1, - qdev_get_gpio_in(glue, 1)); + sysbus_mmio_map(sysbus, 1, VIA_BASE); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 0)); - via1_dev = DEVICE(MOS6522_Q800_VIA1(&MAC_VIA(via_dev)->mos6522_via1)); - adb_bus = qdev_get_child_bus(DEVICE(via1_dev), "adb.0"); + adb_bus = qdev_get_child_bus(via1_dev, "adb.0"); dev = qdev_new(TYPE_ADB_KEYBOARD); qdev_realize_and_unref(dev, adb_bus, &error_fatal); dev = qdev_new(TYPE_ADB_MOUSE); qdev_realize_and_unref(dev, adb_bus, &error_fatal); + /* VIA 2 */ + via2_dev = qdev_new(TYPE_MOS6522_Q800_VIA2); + sysbus = SYS_BUS_DEVICE(via2_dev); + sysbus_realize_and_unref(sysbus, &error_fatal); + sysbus_mmio_map(sysbus, 1, VIA_BASE + VIA_SIZE); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 1)); + /* MACSONIC */ if (nb_nics > 1) { @@ -375,11 +377,11 @@ static void q800_init(MachineState *machine) sysbus = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sysbus, &error_fatal); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in_named(via_dev, + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in_named(via2_dev, "via2-irq", VIA2_IRQ_SCSI_BIT)); sysbus_connect_irq(sysbus, 1, - qdev_get_gpio_in_named(via_dev, "via2-irq", + qdev_get_gpio_in_named(via2_dev, "via2-irq", VIA2_IRQ_SCSI_DATA_BIT)); sysbus_mmio_map(sysbus, 0, ESP_BASE); sysbus_mmio_map(sysbus, 1, ESP_PDMA); diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c index bb8d682ce9..7b9f067e71 100644 --- a/hw/misc/mac_via.c +++ b/hw/misc/mac_via.c @@ -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); diff --git a/include/hw/misc/mac_via.h b/include/hw/misc/mac_via.h index 182dcb7422..9a8bca056e 100644 --- a/include/hw/misc/mac_via.h +++ b/include/hw/misc/mac_via.h @@ -15,6 +15,8 @@ #include "qom/object.h" +#define VIA_SIZE 0x2000 + /* VIA 1 */ #define VIA1_IRQ_ONE_SECOND_BIT 0 #define VIA1_IRQ_60HZ_BIT 1 @@ -38,6 +40,8 @@ struct MOS6522Q800VIA1State { /*< private >*/ MOS6522State parent_obj; + MemoryRegion via_mem; + qemu_irq irqs[VIA1_IRQ_NB]; uint8_t last_b; @@ -95,23 +99,8 @@ OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2) struct MOS6522Q800VIA2State { /*< private >*/ MOS6522State parent_obj; -}; - -#define TYPE_MAC_VIA "mac_via" -OBJECT_DECLARE_SIMPLE_TYPE(MacVIAState, MAC_VIA) - -struct MacVIAState { - SysBusDevice busdev; - - /* MMIO */ - MemoryRegion mmio; - MemoryRegion via1mem; - MemoryRegion via2mem; - - /* VIAs */ - MOS6522Q800VIA1State mos6522_via1; - MOS6522Q800VIA2State mos6522_via2; + MemoryRegion via_mem; }; #endif