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
|
/*
* QEMU AMD PC-Net II (Am79C970A) emulation
*
* Copyright (c) 2004 Antony T Curtis
*
* 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.
*/
/* This software was written to be compatible with the specification:
* AMD Am79C970A PCnet-PCI II Ethernet Controller Data-Sheet
* AMD Publication# 19436 Rev:E Amendment/0 Issue Date: June 2000
*/
/*
* On Sparc32, this is the Lance (Am7990) part of chip STP2000 (Master I/O), also
* produced as NCR89C100. See
* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C100.txt
* and
* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt
*/
#include "sysbus.h"
#include "net.h"
#include "qemu-timer.h"
#include "qemu_socket.h"
#include "sun4m.h"
#include "pcnet.h"
#include "trace.h"
typedef struct {
SysBusDevice busdev;
PCNetState state;
} SysBusPCNetState;
static void parent_lance_reset(void *opaque, int irq, int level)
{
SysBusPCNetState *d = opaque;
if (level)
pcnet_h_reset(&d->state);
}
static void lance_mem_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
SysBusPCNetState *d = opaque;
trace_lance_mem_writew(addr, val & 0xffff);
pcnet_ioport_writew(&d->state, addr, val & 0xffff);
}
static uint64_t lance_mem_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
SysBusPCNetState *d = opaque;
uint32_t val;
val = pcnet_ioport_readw(&d->state, addr);
trace_lance_mem_readw(addr, val & 0xffff);
return val & 0xffff;
}
static const MemoryRegionOps lance_mem_ops = {
.read = lance_mem_read,
.write = lance_mem_write,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 2,
.max_access_size = 2,
},
};
static void lance_cleanup(NetClientState *nc)
{
PCNetState *d = DO_UPCAST(NICState, nc, nc)->opaque;
pcnet_common_cleanup(d);
}
static NetClientInfo net_lance_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.can_receive = pcnet_can_receive,
.receive = pcnet_receive,
.link_status_changed = pcnet_set_link_status,
.cleanup = lance_cleanup,
};
static const VMStateDescription vmstate_lance = {
.name = "pcnet",
.version_id = 3,
.minimum_version_id = 2,
.minimum_version_id_old = 2,
.fields = (VMStateField []) {
VMSTATE_STRUCT(state, SysBusPCNetState, 0, vmstate_pcnet, PCNetState),
VMSTATE_END_OF_LIST()
}
};
static int lance_init(SysBusDevice *dev)
{
SysBusPCNetState *d = FROM_SYSBUS(SysBusPCNetState, dev);
PCNetState *s = &d->state;
memory_region_init_io(&s->mmio, &lance_mem_ops, d, "lance-mmio", 4);
qdev_init_gpio_in(&dev->qdev, parent_lance_reset, 1);
sysbus_init_mmio(dev, &s->mmio);
sysbus_init_irq(dev, &s->irq);
s->phys_mem_read = ledma_memory_read;
s->phys_mem_write = ledma_memory_write;
return pcnet_common_init(&dev->qdev, s, &net_lance_info);
}
static void lance_reset(DeviceState *dev)
{
SysBusPCNetState *d = DO_UPCAST(SysBusPCNetState, busdev.qdev, dev);
pcnet_h_reset(&d->state);
}
static Property lance_properties[] = {
DEFINE_PROP_PTR("dma", SysBusPCNetState, state.dma_opaque),
DEFINE_NIC_PROPERTIES(SysBusPCNetState, state.conf),
DEFINE_PROP_END_OF_LIST(),
};
static void lance_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = lance_init;
dc->fw_name = "ethernet";
dc->reset = lance_reset;
dc->vmsd = &vmstate_lance;
dc->props = lance_properties;
}
static TypeInfo lance_info = {
.name = "lance",
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusPCNetState),
.class_init = lance_class_init,
};
static void lance_register_types(void)
{
type_register_static(&lance_info);
}
type_init(lance_register_types)
|
