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/*
* 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 "hw/sysbus.h"
#include "net/net.h"
#include "qemu/timer.h"
#include "qemu/sockets.h"
#include "hw/sparc/sun4m.h"
#include "pcnet.h"
#include "trace.h"
#include "sysemu/sysemu.h"
#define TYPE_LANCE "lance"
#define SYSBUS_PCNET(obj) \
OBJECT_CHECK(SysBusPCNetState, (obj), TYPE_LANCE)
typedef struct {
SysBusDevice parent_obj;
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, hwaddr 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, hwaddr 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 NetClientInfo net_lance_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.receive = pcnet_receive,
.link_status_changed = pcnet_set_link_status,
};
static const VMStateDescription vmstate_lance = {
.name = "pcnet",
.version_id = 3,
.minimum_version_id = 2,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(state, SysBusPCNetState, 0, vmstate_pcnet, PCNetState),
VMSTATE_END_OF_LIST()
}
};
static int lance_init(SysBusDevice *sbd)
{
DeviceState *dev = DEVICE(sbd);
SysBusPCNetState *d = SYSBUS_PCNET(dev);
PCNetState *s = &d->state;
memory_region_init_io(&s->mmio, OBJECT(d), &lance_mem_ops, d,
"lance-mmio", 4);
qdev_init_gpio_in(dev, parent_lance_reset, 1);
sysbus_init_mmio(sbd, &s->mmio);
sysbus_init_irq(sbd, &s->irq);
s->phys_mem_read = ledma_memory_read;
s->phys_mem_write = ledma_memory_write;
pcnet_common_init(dev, s, &net_lance_info);
return 0;
}
static void lance_reset(DeviceState *dev)
{
SysBusPCNetState *d = SYSBUS_PCNET(dev);
pcnet_h_reset(&d->state);
}
static void lance_instance_init(Object *obj)
{
SysBusPCNetState *d = SYSBUS_PCNET(obj);
PCNetState *s = &d->state;
device_add_bootindex_property(obj, &s->conf.bootindex,
"bootindex", "/ethernet-phy@0",
DEVICE(obj), NULL);
}
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;
set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
dc->fw_name = "ethernet";
dc->reset = lance_reset;
dc->vmsd = &vmstate_lance;
dc->props = lance_properties;
/* Reason: pointer property "dma" */
dc->cannot_instantiate_with_device_add_yet = true;
}
static const TypeInfo lance_info = {
.name = TYPE_LANCE,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusPCNetState),
.class_init = lance_class_init,
.instance_init = lance_instance_init,
};
static void lance_register_types(void)
{
type_register_static(&lance_info);
}
type_init(lance_register_types)
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