diff options
Diffstat (limited to 'qemu/hw/ide/mmio.c')
| -rw-r--r-- | qemu/hw/ide/mmio.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/qemu/hw/ide/mmio.c b/qemu/hw/ide/mmio.c deleted file mode 100644 index 493f65a1d..000000000 --- a/qemu/hw/ide/mmio.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * QEMU IDE Emulation: mmio support (for embedded). - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * 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 "hw/hw.h" -#include "hw/sysbus.h" -#include "sysemu/block-backend.h" -#include "sysemu/dma.h" - -#include <hw/ide/internal.h> - -/***********************************************************/ -/* MMIO based ide port - * This emulates IDE device connected directly to the CPU bus without - * dedicated ide controller, which is often seen on embedded boards. - */ - -#define TYPE_MMIO_IDE "mmio-ide" -#define MMIO_IDE(obj) OBJECT_CHECK(MMIOState, (obj), TYPE_MMIO_IDE) - -typedef struct MMIOIDEState { - /*< private >*/ - SysBusDevice parent_obj; - /*< public >*/ - - IDEBus bus; - - uint32_t shift; - qemu_irq irq; - MemoryRegion iomem1, iomem2; -} MMIOState; - -static void mmio_ide_reset(DeviceState *dev) -{ - MMIOState *s = MMIO_IDE(dev); - - ide_bus_reset(&s->bus); -} - -static uint64_t mmio_ide_read(void *opaque, hwaddr addr, - unsigned size) -{ - MMIOState *s = opaque; - addr >>= s->shift; - if (addr & 7) - return ide_ioport_read(&s->bus, addr); - else - return ide_data_readw(&s->bus, 0); -} - -static void mmio_ide_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MMIOState *s = opaque; - addr >>= s->shift; - if (addr & 7) - ide_ioport_write(&s->bus, addr, val); - else - ide_data_writew(&s->bus, 0, val); -} - -static const MemoryRegionOps mmio_ide_ops = { - .read = mmio_ide_read, - .write = mmio_ide_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr, - unsigned size) -{ - MMIOState *s= opaque; - return ide_status_read(&s->bus, 0); -} - -static void mmio_ide_cmd_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MMIOState *s = opaque; - ide_cmd_write(&s->bus, 0, val); -} - -static const MemoryRegionOps mmio_ide_cs_ops = { - .read = mmio_ide_status_read, - .write = mmio_ide_cmd_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static const VMStateDescription vmstate_ide_mmio = { - .name = "mmio-ide", - .version_id = 3, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_IDE_BUS(bus, MMIOState), - VMSTATE_IDE_DRIVES(bus.ifs, MMIOState), - VMSTATE_END_OF_LIST() - } -}; - -static void mmio_ide_realizefn(DeviceState *dev, Error **errp) -{ - SysBusDevice *d = SYS_BUS_DEVICE(dev); - MMIOState *s = MMIO_IDE(dev); - - ide_init2(&s->bus, s->irq); - - memory_region_init_io(&s->iomem1, OBJECT(s), &mmio_ide_ops, s, - "ide-mmio.1", 16 << s->shift); - memory_region_init_io(&s->iomem2, OBJECT(s), &mmio_ide_cs_ops, s, - "ide-mmio.2", 2 << s->shift); - sysbus_init_mmio(d, &s->iomem1); - sysbus_init_mmio(d, &s->iomem2); -} - -static void mmio_ide_initfn(Object *obj) -{ - SysBusDevice *d = SYS_BUS_DEVICE(obj); - MMIOState *s = MMIO_IDE(obj); - - ide_bus_new(&s->bus, sizeof(s->bus), DEVICE(obj), 0, 2); - sysbus_init_irq(d, &s->irq); -} - -static Property mmio_ide_properties[] = { - DEFINE_PROP_UINT32("shift", MMIOState, shift, 0), - DEFINE_PROP_END_OF_LIST() -}; - -static void mmio_ide_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - - dc->realize = mmio_ide_realizefn; - dc->reset = mmio_ide_reset; - dc->props = mmio_ide_properties; - dc->vmsd = &vmstate_ide_mmio; -} - -static const TypeInfo mmio_ide_type_info = { - .name = TYPE_MMIO_IDE, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(MMIOState), - .instance_init = mmio_ide_initfn, - .class_init = mmio_ide_class_init, -}; - -static void mmio_ide_register_types(void) -{ - type_register_static(&mmio_ide_type_info); -} - -void mmio_ide_init_drives(DeviceState *dev, DriveInfo *hd0, DriveInfo *hd1) -{ - MMIOState *s = MMIO_IDE(dev); - - if (hd0 != NULL) { - ide_create_drive(&s->bus, 0, hd0); - } - if (hd1 != NULL) { - ide_create_drive(&s->bus, 1, hd1); - } -} - -type_init(mmio_ide_register_types) |