| 1 | /* |
| 2 | * QEMU Universal Flash Storage (UFS) sysbus controller |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 5 | */ |
| 6 | |
| 7 | #include "qemu/osdep.h" |
| 8 | #include "hw/core/qdev-properties.h" |
| 9 | #include "ufs-sysbus.h" |
| 10 | #include "migration/vmstate.h" |
| 11 | #include "system/address-spaces.h" |
| 12 | |
| 13 | static void ufs_sysbus_realize(DeviceState *dev, Error **errp) |
| 14 | { |
| 15 | SysbusUfsState *s = SYSBUS_UFS(dev); |
| 16 | |
| 17 | if (!ufs_realize(&s->ufs, dev, &address_space_memory, errp)) { |
| 18 | return; |
| 19 | } |
| 20 | |
| 21 | sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->ufs.iomem); |
| 22 | } |
| 23 | |
| 24 | static void ufs_sysbus_unrealize(DeviceState *dev) |
| 25 | { |
| 26 | SysbusUfsState *s = SYSBUS_UFS(dev); |
| 27 | |
| 28 | ufs_unrealize(&s->ufs); |
| 29 | } |
| 30 | |
| 31 | static void ufs_sysbus_init(Object *obj) |
| 32 | { |
| 33 | SysbusUfsState *s = SYSBUS_UFS(obj); |
| 34 | |
| 35 | sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->ufs.irq); |
| 36 | } |
| 37 | |
| 38 | static const Property ufs_sysbus_props[] = { |
| 39 | DEFINE_PROP_STRING("serial", SysbusUfsState, ufs.params.serial), |
| 40 | DEFINE_PROP_UINT8("nutrs", SysbusUfsState, ufs.params.nutrs, 32), |
| 41 | DEFINE_PROP_UINT8("nutmrs", SysbusUfsState, ufs.params.nutmrs, 8), |
| 42 | DEFINE_PROP_BOOL("mcq", SysbusUfsState, ufs.params.mcq, false), |
| 43 | DEFINE_PROP_UINT8("mcq-maxq", SysbusUfsState, ufs.params.mcq_maxq, 2), |
| 44 | DEFINE_PROP_UINT32("wb-max-size", SysbusUfsState, ufs.params.wb_max_size, |
| 45 | 0x400), |
| 46 | DEFINE_PROP_UINT32("wb-min-size", SysbusUfsState, ufs.params.wb_min_size, |
| 47 | 0x100), |
| 48 | }; |
| 49 | |
| 50 | static const VMStateDescription ufs_sysbus_vmstate = { |
| 51 | .name = TYPE_SYSBUS_UFS, |
| 52 | .unmigratable = 1, |
| 53 | }; |
| 54 | |
| 55 | static void ufs_sysbus_class_init(ObjectClass *oc, const void *data) |
| 56 | { |
| 57 | DeviceClass *dc = DEVICE_CLASS(oc); |
| 58 | |
| 59 | dc->realize = ufs_sysbus_realize; |
| 60 | dc->unrealize = ufs_sysbus_unrealize; |
| 61 | dc->vmsd = &ufs_sysbus_vmstate; |
| 62 | dc->desc = "Universal Flash Storage"; |
| 63 | device_class_set_props(dc, ufs_sysbus_props); |
| 64 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
| 65 | } |
| 66 | |
| 67 | static const TypeInfo ufs_sysbus_info = { |
| 68 | .name = TYPE_SYSBUS_UFS, |
| 69 | .parent = TYPE_SYS_BUS_DEVICE, |
| 70 | .instance_size = sizeof(SysbusUfsState), |
| 71 | .instance_init = ufs_sysbus_init, |
| 72 | .class_init = ufs_sysbus_class_init, |
| 73 | }; |
| 74 | |
| 75 | static void ufs_sysbus_register_types(void) |
| 76 | { |
| 77 | type_register_static(&ufs_sysbus_info); |
| 78 | } |
| 79 | |
| 80 | type_init(ufs_sysbus_register_types) |