summaryrefslogtreecommitdiff
path: root/hw/usb/hcd-ehci-sysbus.c
blob: fe6eea5908f0e86f953f98e6a4d922d2336b7b06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/*
 * 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 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;
    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)