diff options
Diffstat (limited to 'qemu/hw/usb/hcd-ehci-sysbus.c')
| -rw-r--r-- | qemu/hw/usb/hcd-ehci-sysbus.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/qemu/hw/usb/hcd-ehci-sysbus.c b/qemu/hw/usb/hcd-ehci-sysbus.c new file mode 100644 index 000000000..cd1cc142a --- /dev/null +++ b/qemu/hw/usb/hcd-ehci-sysbus.c @@ -0,0 +1,229 @@ +/* + * QEMU USB EHCI Emulation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or(at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "hw/usb/hcd-ehci.h" + +static const VMStateDescription vmstate_ehci_sysbus = { + .name = "ehci-sysbus", + .version_id = 2, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState), + VMSTATE_END_OF_LIST() + } +}; + +static Property ehci_sysbus_properties[] = { + DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128), + DEFINE_PROP_END_OF_LIST(), +}; + +static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp) +{ + SysBusDevice *d = SYS_BUS_DEVICE(dev); + EHCISysBusState *i = SYS_BUS_EHCI(dev); + EHCIState *s = &i->ehci; + + usb_ehci_realize(s, dev, errp); + sysbus_init_irq(d, &s->irq); +} + +static void usb_ehci_sysbus_reset(DeviceState *dev) +{ + SysBusDevice *d = SYS_BUS_DEVICE(dev); + EHCISysBusState *i = SYS_BUS_EHCI(d); + EHCIState *s = &i->ehci; + + ehci_reset(s); +} + +static void ehci_sysbus_init(Object *obj) +{ + SysBusDevice *d = SYS_BUS_DEVICE(obj); + EHCISysBusState *i = SYS_BUS_EHCI(obj); + SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj); + EHCIState *s = &i->ehci; + + s->capsbase = sec->capsbase; + s->opregbase = sec->opregbase; + s->portscbase = sec->portscbase; + s->portnr = sec->portnr; + s->as = &address_space_memory; + + usb_ehci_init(s, DEVICE(obj)); + sysbus_init_mmio(d, &s->mem); +} + +static void ehci_sysbus_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass); + + sec->portscbase = 0x44; + sec->portnr = NB_PORTS; + + dc->realize = usb_ehci_sysbus_realize; + dc->vmsd = &vmstate_ehci_sysbus; + dc->props = ehci_sysbus_properties; + dc->reset = usb_ehci_sysbus_reset; + set_bit(DEVICE_CATEGORY_USB, dc->categories); +} + +static const TypeInfo ehci_type_info = { + .name = TYPE_SYS_BUS_EHCI, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(EHCISysBusState), + .instance_init = ehci_sysbus_init, + .abstract = true, + .class_init = ehci_sysbus_class_init, + .class_size = sizeof(SysBusEHCIClass), +}; + +static void ehci_xlnx_class_init(ObjectClass *oc, void *data) +{ + SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc); + DeviceClass *dc = DEVICE_CLASS(oc); + + set_bit(DEVICE_CATEGORY_USB, dc->categories); + sec->capsbase = 0x100; + sec->opregbase = 0x140; +} + +static const TypeInfo ehci_xlnx_type_info = { + .name = "xlnx,ps7-usb", + .parent = TYPE_SYS_BUS_EHCI, + .class_init = ehci_xlnx_class_init, +}; + +static void ehci_exynos4210_class_init(ObjectClass *oc, void *data) +{ + SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc); + DeviceClass *dc = DEVICE_CLASS(oc); + + sec->capsbase = 0x0; + sec->opregbase = 0x10; + set_bit(DEVICE_CATEGORY_USB, dc->categories); +} + +static const TypeInfo ehci_exynos4210_type_info = { + .name = TYPE_EXYNOS4210_EHCI, + .parent = TYPE_SYS_BUS_EHCI, + .class_init = ehci_exynos4210_class_init, +}; + +static void ehci_tegra2_class_init(ObjectClass *oc, void *data) +{ + SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc); + DeviceClass *dc = DEVICE_CLASS(oc); + + sec->capsbase = 0x100; + sec->opregbase = 0x140; + set_bit(DEVICE_CATEGORY_USB, dc->categories); +} + +static const TypeInfo ehci_tegra2_type_info = { + .name = TYPE_TEGRA2_EHCI, + .parent = TYPE_SYS_BUS_EHCI, + .class_init = ehci_tegra2_class_init, +}; + +/* + * Faraday FUSBH200 USB 2.0 EHCI + */ + +/** + * FUSBH200EHCIRegs: + * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register + * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register + */ +enum FUSBH200EHCIRegs { + FUSBH200_REG_EOF_ASTR = 0x34, + FUSBH200_REG_BMCSR = 0x40, +}; + +static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size) +{ + EHCIState *s = opaque; + hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr; + + switch (off) { + case FUSBH200_REG_EOF_ASTR: + return 0x00000041; + case FUSBH200_REG_BMCSR: + /* High-Speed, VBUS valid, interrupt level-high active */ + return (2 << 9) | (1 << 8) | (1 << 3); + } + + return 0; +} + +static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) +{ +} + +static const MemoryRegionOps fusbh200_ehci_mmio_ops = { + .read = fusbh200_ehci_read, + .write = fusbh200_ehci_write, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void fusbh200_ehci_init(Object *obj) +{ + EHCISysBusState *i = SYS_BUS_EHCI(obj); + FUSBH200EHCIState *f = FUSBH200_EHCI(obj); + EHCIState *s = &i->ehci; + + memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s, + "fusbh200", 0x4c); + memory_region_add_subregion(&s->mem, + s->opregbase + s->portscbase + 4 * s->portnr, + &f->mem_vendor); +} + +static void fusbh200_ehci_class_init(ObjectClass *oc, void *data) +{ + SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc); + DeviceClass *dc = DEVICE_CLASS(oc); + + sec->capsbase = 0x0; + sec->opregbase = 0x10; + sec->portscbase = 0x20; + sec->portnr = 1; + set_bit(DEVICE_CATEGORY_USB, dc->categories); +} + +static const TypeInfo ehci_fusbh200_type_info = { + .name = TYPE_FUSBH200_EHCI, + .parent = TYPE_SYS_BUS_EHCI, + .instance_size = sizeof(FUSBH200EHCIState), + .instance_init = fusbh200_ehci_init, + .class_init = fusbh200_ehci_class_init, +}; + +static void ehci_sysbus_register_types(void) +{ + type_register_static(&ehci_type_info); + type_register_static(&ehci_xlnx_type_info); + type_register_static(&ehci_exynos4210_type_info); + type_register_static(&ehci_tegra2_type_info); + type_register_static(&ehci_fusbh200_type_info); +} + +type_init(ehci_sysbus_register_types) |