diff options
Diffstat (limited to 'hw/misc/macio/macio.c')
| -rw-r--r-- | hw/misc/macio/macio.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c new file mode 100644 index 0000000000..2f389dd7cc --- /dev/null +++ b/hw/misc/macio/macio.c @@ -0,0 +1,305 @@ +/* + * PowerMac MacIO device emulation + * + * Copyright (c) 2005-2007 Fabrice Bellard + * Copyright (c) 2007 Jocelyn Mayer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw/hw.h" +#include "hw/ppc/mac.h" +#include "hw/pci/pci.h" +#include "hw/ppc/mac_dbdma.h" +#include "hw/char/escc.h" + +#define TYPE_MACIO "macio" +#define MACIO(obj) OBJECT_CHECK(MacIOState, (obj), TYPE_MACIO) + +typedef struct MacIOState +{ + /*< private >*/ + PCIDevice parent; + /*< public >*/ + + MemoryRegion bar; + CUDAState cuda; + void *dbdma; + MemoryRegion *pic_mem; + MemoryRegion *escc_mem; +} MacIOState; + +#define OLDWORLD_MACIO(obj) \ + OBJECT_CHECK(OldWorldMacIOState, (obj), TYPE_OLDWORLD_MACIO) + +typedef struct OldWorldMacIOState { + /*< private >*/ + MacIOState parent_obj; + /*< public >*/ + + qemu_irq irqs[3]; + + MacIONVRAMState nvram; + MACIOIDEState ide; +} OldWorldMacIOState; + +#define NEWWORLD_MACIO(obj) \ + OBJECT_CHECK(NewWorldMacIOState, (obj), TYPE_NEWWORLD_MACIO) + +typedef struct NewWorldMacIOState { + /*< private >*/ + MacIOState parent_obj; + /*< public >*/ + qemu_irq irqs[5]; + MACIOIDEState ide[2]; +} NewWorldMacIOState; + +static void macio_bar_setup(MacIOState *macio_state) +{ + MemoryRegion *bar = &macio_state->bar; + + if (macio_state->escc_mem) { + memory_region_add_subregion(bar, 0x13000, macio_state->escc_mem); + } +} + +static int macio_common_initfn(PCIDevice *d) +{ + MacIOState *s = MACIO(d); + SysBusDevice *sysbus_dev; + int ret; + + d->config[0x3d] = 0x01; // interrupt on pin 1 + + ret = qdev_init(DEVICE(&s->cuda)); + if (ret < 0) { + return ret; + } + sysbus_dev = SYS_BUS_DEVICE(&s->cuda); + memory_region_add_subregion(&s->bar, 0x16000, + sysbus_mmio_get_region(sysbus_dev, 0)); + + macio_bar_setup(s); + pci_register_bar(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar); + + return 0; +} + +static int macio_oldworld_initfn(PCIDevice *d) +{ + MacIOState *s = MACIO(d); + OldWorldMacIOState *os = OLDWORLD_MACIO(d); + SysBusDevice *sysbus_dev; + int ret = macio_common_initfn(d); + if (ret < 0) { + return ret; + } + + sysbus_dev = SYS_BUS_DEVICE(&s->cuda); + sysbus_connect_irq(sysbus_dev, 0, os->irqs[0]); + + ret = qdev_init(DEVICE(&os->nvram)); + if (ret < 0) { + return ret; + } + sysbus_dev = SYS_BUS_DEVICE(&os->nvram); + memory_region_add_subregion(&s->bar, 0x60000, + sysbus_mmio_get_region(sysbus_dev, 0)); + pmac_format_nvram_partition(&os->nvram, os->nvram.size); + + if (s->pic_mem) { + /* Heathrow PIC */ + memory_region_add_subregion(&s->bar, 0x00000, s->pic_mem); + } + + sysbus_dev = SYS_BUS_DEVICE(&os->ide); + sysbus_connect_irq(sysbus_dev, 0, os->irqs[1]); + sysbus_connect_irq(sysbus_dev, 1, os->irqs[2]); + macio_ide_register_dma(&os->ide, s->dbdma, 0x16); + ret = qdev_init(DEVICE(&os->ide)); + if (ret < 0) { + return ret; + } + + return 0; +} + +static void macio_oldworld_init(Object *obj) +{ + MacIOState *s = MACIO(obj); + OldWorldMacIOState *os = OLDWORLD_MACIO(obj); + DeviceState *dev; + + qdev_init_gpio_out(DEVICE(obj), os->irqs, ARRAY_SIZE(os->irqs)); + + object_initialize(&os->nvram, TYPE_MACIO_NVRAM); + dev = DEVICE(&os->nvram); + qdev_prop_set_uint32(dev, "size", 0x2000); + qdev_prop_set_uint32(dev, "it_shift", 4); + + object_initialize(&os->ide, TYPE_MACIO_IDE); + qdev_set_parent_bus(DEVICE(&os->ide), sysbus_get_default()); + memory_region_add_subregion(&s->bar, 0x1f000 + (1 * 0x1000), &os->ide.mem); + object_property_add_child(obj, "ide", OBJECT(&os->ide), NULL); +} + +static int macio_newworld_initfn(PCIDevice *d) +{ + MacIOState *s = MACIO(d); + NewWorldMacIOState *ns = NEWWORLD_MACIO(d); + SysBusDevice *sysbus_dev; + int ret = macio_common_initfn(d); + if (ret < 0) { + return ret; + } + + sysbus_dev = SYS_BUS_DEVICE(&s->cuda); + sysbus_connect_irq(sysbus_dev, 0, ns->irqs[0]); + + if (s->pic_mem) { + /* OpenPIC */ + memory_region_add_subregion(&s->bar, 0x40000, s->pic_mem); + } + + sysbus_dev = SYS_BUS_DEVICE(&ns->ide[0]); + sysbus_connect_irq(sysbus_dev, 0, ns->irqs[1]); + sysbus_connect_irq(sysbus_dev, 1, ns->irqs[2]); + macio_ide_register_dma(&ns->ide[0], s->dbdma, 0x16); + ret = qdev_init(DEVICE(&ns->ide[0])); + if (ret < 0) { + return ret; + } + + sysbus_dev = SYS_BUS_DEVICE(&ns->ide[1]); + sysbus_connect_irq(sysbus_dev, 0, ns->irqs[3]); + sysbus_connect_irq(sysbus_dev, 1, ns->irqs[4]); + macio_ide_register_dma(&ns->ide[1], s->dbdma, 0x1a); + ret = qdev_init(DEVICE(&ns->ide[1])); + if (ret < 0) { + return ret; + } + + return 0; +} + +static void macio_newworld_init(Object *obj) +{ + MacIOState *s = MACIO(obj); + NewWorldMacIOState *ns = NEWWORLD_MACIO(obj); + int i; + gchar *name; + + qdev_init_gpio_out(DEVICE(obj), ns->irqs, ARRAY_SIZE(ns->irqs)); + + for (i = 0; i < 2; i++) { + object_initialize(&ns->ide[i], TYPE_MACIO_IDE); + qdev_set_parent_bus(DEVICE(&ns->ide[i]), sysbus_get_default()); + memory_region_add_subregion(&s->bar, 0x1f000 + ((i + 1) * 0x1000), + &ns->ide[i].mem); + name = g_strdup_printf("ide[%i]", i); + object_property_add_child(obj, name, OBJECT(&ns->ide[i]), NULL); + g_free(name); + } +} + +static void macio_instance_init(Object *obj) +{ + MacIOState *s = MACIO(obj); + MemoryRegion *dbdma_mem; + + memory_region_init(&s->bar, "macio", 0x80000); + + object_initialize(&s->cuda, TYPE_CUDA); + qdev_set_parent_bus(DEVICE(&s->cuda), sysbus_get_default()); + object_property_add_child(obj, "cuda", OBJECT(&s->cuda), NULL); + + s->dbdma = DBDMA_init(&dbdma_mem); + memory_region_add_subregion(&s->bar, 0x08000, dbdma_mem); +} + +static void macio_oldworld_class_init(ObjectClass *oc, void *data) +{ + PCIDeviceClass *pdc = PCI_DEVICE_CLASS(oc); + + pdc->init = macio_oldworld_initfn; + pdc->device_id = PCI_DEVICE_ID_APPLE_343S1201; +} + +static void macio_newworld_class_init(ObjectClass *oc, void *data) +{ + PCIDeviceClass *pdc = PCI_DEVICE_CLASS(oc); + + pdc->init = macio_newworld_initfn; + pdc->device_id = PCI_DEVICE_ID_APPLE_UNI_N_KEYL; +} + +static void macio_class_init(ObjectClass *klass, void *data) +{ + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->vendor_id = PCI_VENDOR_ID_APPLE; + k->class_id = PCI_CLASS_OTHERS << 8; +} + +static const TypeInfo macio_oldworld_type_info = { + .name = TYPE_OLDWORLD_MACIO, + .parent = TYPE_MACIO, + .instance_size = sizeof(OldWorldMacIOState), + .instance_init = macio_oldworld_init, + .class_init = macio_oldworld_class_init, +}; + +static const TypeInfo macio_newworld_type_info = { + .name = TYPE_NEWWORLD_MACIO, + .parent = TYPE_MACIO, + .instance_size = sizeof(NewWorldMacIOState), + .instance_init = macio_newworld_init, + .class_init = macio_newworld_class_init, +}; + +static const TypeInfo macio_type_info = { + .name = TYPE_MACIO, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(MacIOState), + .instance_init = macio_instance_init, + .abstract = true, + .class_init = macio_class_init, +}; + +static void macio_register_types(void) +{ + type_register_static(&macio_type_info); + type_register_static(&macio_oldworld_type_info); + type_register_static(&macio_newworld_type_info); +} + +type_init(macio_register_types) + +void macio_init(PCIDevice *d, + MemoryRegion *pic_mem, + MemoryRegion *escc_mem) +{ + MacIOState *macio_state = MACIO(d); + + macio_state->pic_mem = pic_mem; + macio_state->escc_mem = escc_mem; + /* Note: this code is strongly inspirated from the corresponding code + in PearPC */ + + qdev_init_nofail(DEVICE(d)); +} |