diff options
Diffstat (limited to 'qemu/hw/misc/macio/macio.c')
| -rw-r--r-- | qemu/hw/misc/macio/macio.c | 449 |
1 files changed, 0 insertions, 449 deletions
diff --git a/qemu/hw/misc/macio/macio.c b/qemu/hw/misc/macio/macio.c deleted file mode 100644 index be03926b9..000000000 --- a/qemu/hw/misc/macio/macio.c +++ /dev/null @@ -1,449 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include "qapi/error.h" -#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; - uint64_t frequency; -} MacIOState; - -#define OLDWORLD_MACIO(obj) \ - OBJECT_CHECK(OldWorldMacIOState, (obj), TYPE_OLDWORLD_MACIO) - -typedef struct OldWorldMacIOState { - /*< private >*/ - MacIOState parent_obj; - /*< public >*/ - - qemu_irq irqs[5]; - - MacIONVRAMState nvram; - MACIOIDEState ide[2]; -} 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; - -/* - * The mac-io has two interfaces to the ESCC. One is called "escc-legacy", - * while the other one is the normal, current ESCC interface. - * - * The magic below creates memory aliases to spawn the escc-legacy device - * purely by rerouting the respective registers to our escc region. This - * works because the only difference between the two memory regions is the - * register layout, not their semantics. - * - * Reference: ftp://ftp.software.ibm.com/rs6000/technology/spec/chrp/inwork/CHRP_IORef_1.0.pdf - */ -static void macio_escc_legacy_setup(MacIOState *macio_state) -{ - MemoryRegion *escc_legacy = g_new(MemoryRegion, 1); - MemoryRegion *bar = &macio_state->bar; - int i; - static const int maps[] = { - 0x00, 0x00, - 0x02, 0x20, - 0x04, 0x10, - 0x06, 0x30, - 0x08, 0x40, - 0x0A, 0x50, - 0x60, 0x60, - 0x70, 0x70, - 0x80, 0x70, - 0x90, 0x80, - 0xA0, 0x90, - 0xB0, 0xA0, - 0xC0, 0xB0, - 0xD0, 0xC0, - 0xE0, 0xD0, - 0xF0, 0xE0, - }; - - memory_region_init(escc_legacy, OBJECT(macio_state), "escc-legacy", 256); - for (i = 0; i < ARRAY_SIZE(maps); i += 2) { - MemoryRegion *port = g_new(MemoryRegion, 1); - memory_region_init_alias(port, OBJECT(macio_state), "escc-legacy-port", - macio_state->escc_mem, maps[i+1], 0x2); - memory_region_add_subregion(escc_legacy, maps[i], port); - } - - memory_region_add_subregion(bar, 0x12000, escc_legacy); -} - -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); - macio_escc_legacy_setup(macio_state); - } -} - -static void macio_common_realize(PCIDevice *d, Error **errp) -{ - MacIOState *s = MACIO(d); - SysBusDevice *sysbus_dev; - Error *err = NULL; - MemoryRegion *dbdma_mem; - - s->dbdma = DBDMA_init(&dbdma_mem); - memory_region_add_subregion(&s->bar, 0x08000, dbdma_mem); - - object_property_set_bool(OBJECT(&s->cuda), true, "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } - 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); -} - -static void macio_realize_ide(MacIOState *s, MACIOIDEState *ide, - qemu_irq irq0, qemu_irq irq1, int dmaid, - Error **errp) -{ - SysBusDevice *sysbus_dev; - - sysbus_dev = SYS_BUS_DEVICE(ide); - sysbus_connect_irq(sysbus_dev, 0, irq0); - sysbus_connect_irq(sysbus_dev, 1, irq1); - macio_ide_register_dma(ide, s->dbdma, dmaid); - object_property_set_bool(OBJECT(ide), true, "realized", errp); -} - -static void macio_oldworld_realize(PCIDevice *d, Error **errp) -{ - MacIOState *s = MACIO(d); - OldWorldMacIOState *os = OLDWORLD_MACIO(d); - Error *err = NULL; - SysBusDevice *sysbus_dev; - int i; - int cur_irq = 0; - - macio_common_realize(d, &err); - if (err) { - error_propagate(errp, err); - return; - } - - sysbus_dev = SYS_BUS_DEVICE(&s->cuda); - sysbus_connect_irq(sysbus_dev, 0, os->irqs[cur_irq++]); - - object_property_set_bool(OBJECT(&os->nvram), true, "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } - 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); - } - - /* IDE buses */ - for (i = 0; i < ARRAY_SIZE(os->ide); i++) { - qemu_irq irq0 = os->irqs[cur_irq++]; - qemu_irq irq1 = os->irqs[cur_irq++]; - - macio_realize_ide(s, &os->ide[i], irq0, irq1, 0x16 + (i * 4), &err); - if (err) { - error_propagate(errp, err); - return; - } - } -} - -static void macio_init_ide(MacIOState *s, MACIOIDEState *ide, size_t ide_size, - int index) -{ - gchar *name; - - object_initialize(ide, ide_size, TYPE_MACIO_IDE); - qdev_set_parent_bus(DEVICE(ide), sysbus_get_default()); - memory_region_add_subregion(&s->bar, 0x1f000 + ((index + 1) * 0x1000), - &ide->mem); - name = g_strdup_printf("ide[%i]", index); - object_property_add_child(OBJECT(s), name, OBJECT(ide), NULL); - g_free(name); -} - -static void macio_oldworld_init(Object *obj) -{ - MacIOState *s = MACIO(obj); - OldWorldMacIOState *os = OLDWORLD_MACIO(obj); - DeviceState *dev; - int i; - - qdev_init_gpio_out(DEVICE(obj), os->irqs, ARRAY_SIZE(os->irqs)); - - object_initialize(&os->nvram, sizeof(os->nvram), TYPE_MACIO_NVRAM); - dev = DEVICE(&os->nvram); - qdev_prop_set_uint32(dev, "size", 0x2000); - qdev_prop_set_uint32(dev, "it_shift", 4); - - for (i = 0; i < 2; i++) { - macio_init_ide(s, &os->ide[i], sizeof(os->ide[i]), i); - } -} - -static void timer_write(void *opaque, hwaddr addr, uint64_t value, - unsigned size) -{ -} - -static uint64_t timer_read(void *opaque, hwaddr addr, unsigned size) -{ - uint32_t value = 0; - uint64_t systime = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - uint64_t kltime; - - kltime = muldiv64(systime, 4194300, NANOSECONDS_PER_SECOND * 4); - kltime = muldiv64(kltime, 18432000, 1048575); - - switch (addr) { - case 0x38: - value = kltime; - break; - case 0x3c: - value = kltime >> 32; - break; - } - - return value; -} - -static const MemoryRegionOps timer_ops = { - .read = timer_read, - .write = timer_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void macio_newworld_realize(PCIDevice *d, Error **errp) -{ - MacIOState *s = MACIO(d); - NewWorldMacIOState *ns = NEWWORLD_MACIO(d); - Error *err = NULL; - SysBusDevice *sysbus_dev; - MemoryRegion *timer_memory = NULL; - int i; - int cur_irq = 0; - - macio_common_realize(d, &err); - if (err) { - error_propagate(errp, err); - return; - } - - sysbus_dev = SYS_BUS_DEVICE(&s->cuda); - sysbus_connect_irq(sysbus_dev, 0, ns->irqs[cur_irq++]); - - if (s->pic_mem) { - /* OpenPIC */ - memory_region_add_subregion(&s->bar, 0x40000, s->pic_mem); - } - - /* IDE buses */ - for (i = 0; i < ARRAY_SIZE(ns->ide); i++) { - qemu_irq irq0 = ns->irqs[cur_irq++]; - qemu_irq irq1 = ns->irqs[cur_irq++]; - - macio_realize_ide(s, &ns->ide[i], irq0, irq1, 0x16 + (i * 4), &err); - if (err) { - error_propagate(errp, err); - return; - } - } - - /* Timer */ - timer_memory = g_new(MemoryRegion, 1); - memory_region_init_io(timer_memory, OBJECT(s), &timer_ops, NULL, "timer", - 0x1000); - memory_region_add_subregion(&s->bar, 0x15000, timer_memory); -} - -static void macio_newworld_init(Object *obj) -{ - MacIOState *s = MACIO(obj); - NewWorldMacIOState *ns = NEWWORLD_MACIO(obj); - int i; - - qdev_init_gpio_out(DEVICE(obj), ns->irqs, ARRAY_SIZE(ns->irqs)); - - for (i = 0; i < 2; i++) { - macio_init_ide(s, &ns->ide[i], sizeof(ns->ide[i]), i); - } -} - -static void macio_instance_init(Object *obj) -{ - MacIOState *s = MACIO(obj); - - memory_region_init(&s->bar, obj, "macio", 0x80000); - - object_initialize(&s->cuda, sizeof(s->cuda), TYPE_CUDA); - qdev_set_parent_bus(DEVICE(&s->cuda), sysbus_get_default()); - object_property_add_child(obj, "cuda", OBJECT(&s->cuda), NULL); -} - -static const VMStateDescription vmstate_macio_oldworld = { - .name = "macio-oldworld", - .version_id = 0, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(parent_obj.parent, OldWorldMacIOState), - VMSTATE_END_OF_LIST() - } -}; - -static void macio_oldworld_class_init(ObjectClass *oc, void *data) -{ - PCIDeviceClass *pdc = PCI_DEVICE_CLASS(oc); - DeviceClass *dc = DEVICE_CLASS(oc); - - pdc->realize = macio_oldworld_realize; - pdc->device_id = PCI_DEVICE_ID_APPLE_343S1201; - dc->vmsd = &vmstate_macio_oldworld; -} - -static const VMStateDescription vmstate_macio_newworld = { - .name = "macio-newworld", - .version_id = 0, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(parent_obj.parent, NewWorldMacIOState), - VMSTATE_END_OF_LIST() - } -}; - -static void macio_newworld_class_init(ObjectClass *oc, void *data) -{ - PCIDeviceClass *pdc = PCI_DEVICE_CLASS(oc); - DeviceClass *dc = DEVICE_CLASS(oc); - - pdc->realize = macio_newworld_realize; - pdc->device_id = PCI_DEVICE_ID_APPLE_UNI_N_KEYL; - dc->vmsd = &vmstate_macio_newworld; -} - -static Property macio_properties[] = { - DEFINE_PROP_UINT64("frequency", MacIOState, frequency, 0), - DEFINE_PROP_END_OF_LIST() -}; - -static void macio_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->vendor_id = PCI_VENDOR_ID_APPLE; - k->class_id = PCI_CLASS_OTHERS << 8; - dc->props = macio_properties; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); -} - -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_prop_set_uint64(DEVICE(&macio_state->cuda), "frequency", - macio_state->frequency); - - qdev_init_nofail(DEVICE(d)); -} |