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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 "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(VLANClientState *nc)
{
PCNetState *d = DO_UPCAST(NICState, nc, nc)->opaque;
pcnet_common_cleanup(d);
}
static NetClientInfo net_lance_info = {
.type = NET_CLIENT_TYPE_NIC,
.size = sizeof(NICState),
.can_receive = pcnet_can_receive,
.receive = pcnet_receive,
.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_region(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 SysBusDeviceInfo lance_info = {
.init = lance_init,
.qdev.name = "lance",
.qdev.fw_name = "ethernet",
.qdev.size = sizeof(SysBusPCNetState),
.qdev.reset = lance_reset,
.qdev.vmsd = &vmstate_lance,
.qdev.props = (Property[]) {
DEFINE_PROP_PTR("dma", SysBusPCNetState, state.dma_opaque),
DEFINE_NIC_PROPERTIES(SysBusPCNetState, state.conf),
DEFINE_PROP_END_OF_LIST(),
}
};
static void lance_register_devices(void)
{
sysbus_register_withprop(&lance_info);
}
device_init(lance_register_devices)
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