| /* |
| * 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" |
| |
| #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 void lance_cleanup(NetClientState *nc) |
| { |
| PCNetState *d = qemu_get_nic_opaque(nc); |
| |
| 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, |
| .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; |
| return pcnet_common_init(dev, s, &net_lance_info); |
| } |
| |
| static void lance_reset(DeviceState *dev) |
| { |
| SysBusPCNetState *d = SYSBUS_PCNET(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; |
| 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, |
| }; |
| |
| static void lance_register_types(void) |
| { |
| type_register_static(&lance_info); |
| } |
| |
| type_init(lance_register_types) |