static int smc91c111_init1(SysBusDevice *dev)
{
smc91c111_state *s = FROM_SYSBUS(smc91c111_state, dev);
s->mmio_index = cpu_register_io_memory(smc91c111_readfn,
smc91c111_writefn, s);
sysbus_init_mmio(dev, 16, s->mmio_index);
sysbus_init_irq(dev, &s->irq);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
smc91c111_reset(s);
s->nic = qemu_new_nic(&net_smc91c111_info, &s->conf,
dev->qdev.info->name, dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
/* ??? Save/restore. */
return 0;
}
static void smc91c111_init1(SysBusDevice *dev)
{
smc91c111_state *s = FROM_SYSBUS(smc91c111_state, dev);
s->mmio_index = cpu_register_io_memory(smc91c111_readfn,
smc91c111_writefn, s);
sysbus_init_mmio(dev, 16, s->mmio_index);
sysbus_init_irq(dev, &s->irq);
qdev_get_macaddr(&dev->qdev, s->macaddr);
smc91c111_reset(s);
s->vc = qdev_get_vlan_client(&dev->qdev,
smc91c111_can_receive, smc91c111_receive, NULL,
smc91c111_cleanup, s);
qemu_format_nic_info_str(s->vc, s->macaddr);
register_savevm( "smc91c111", 0, SMC91C111_SAVE_VERSION,
smc91c111_save, smc91c111_load, s);
}
void smc91c111_init(NICInfo *nd, uint32_t base, void *pic, int irq)
{
smc91c111_state *s;
int iomemtype;
s = (smc91c111_state *)qemu_mallocz(sizeof(smc91c111_state));
iomemtype = cpu_register_io_memory(0, smc91c111_readfn,
smc91c111_writefn, s);
cpu_register_physical_memory(base, 16, iomemtype);
s->base = base;
s->pic = pic;
s->irq = irq;
memcpy(s->macaddr, nd->macaddr, 6);
smc91c111_reset(s);
s->vc = qemu_new_vlan_client(nd->vlan, smc91c111_receive,
smc91c111_can_receive, s);
/* ??? Save/restore. */
}
void smc91c111_init(NICInfo *nd, uint32_t base, qemu_irq irq)
{
smc91c111_state *s;
int iomemtype;
qemu_check_nic_model(nd, "smc91c111");
s = (smc91c111_state *)qemu_mallocz(sizeof(smc91c111_state));
iomemtype = cpu_register_io_memory(0, smc91c111_readfn,
smc91c111_writefn, s);
cpu_register_physical_memory(base, 16, iomemtype);
s->irq = irq;
memcpy(s->macaddr, nd->macaddr, 6);
smc91c111_reset(s);
s->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
smc91c111_receive, smc91c111_can_receive, s);
qemu_format_nic_info_str(s->vc, s->macaddr);
/* ??? Save/restore. */
}
static void smc91c111_writeb(void *opaque, hwaddr offset,
uint32_t value)
{
smc91c111_state *s = (smc91c111_state *)opaque;
if (offset == 14) {
s->bank = value;
return;
}
if (offset == 15)
return;
switch (s->bank) {
case 0:
switch (offset) {
case 0: /* TCR */
SET_LOW(tcr, value);
return;
case 1:
SET_HIGH(tcr, value);
return;
case 4: /* RCR */
SET_LOW(rcr, value);
return;
case 5:
SET_HIGH(rcr, value);
if (s->rcr & RCR_SOFT_RST)
smc91c111_reset(s);
return;
case 10: case 11: /* RPCR */
/* Ignored */
return;
}
break;
case 1:
switch (offset) {
case 0: /* CONFIG */
SET_LOW(cr, value);
return;
case 1:
SET_HIGH(cr,value);
return;
case 2: case 3: /* BASE */
case 4: case 5: case 6: case 7: case 8: case 9: /* IA */
/* Not implemented. */
return;
case 10: /* Genral Purpose */
SET_LOW(gpr, value);
return;
case 11:
SET_HIGH(gpr, value);
return;
case 12: /* Control */
if (value & 1)
fprintf(stderr, "smc91c111:EEPROM store not implemented\n");
if (value & 2)
fprintf(stderr, "smc91c111:EEPROM reload not implemented\n");
value &= ~3;
SET_LOW(ctr, value);
return;
case 13:
SET_HIGH(ctr, value);
return;
}
break;
case 2:
switch (offset) {
case 0: /* MMU Command */
switch (value >> 5) {
case 0: /* no-op */
break;
case 1: /* Allocate for TX. */
s->tx_alloc = 0x80;
s->int_level &= ~INT_ALLOC;
smc91c111_update(s);
smc91c111_tx_alloc(s);
break;
case 2: /* Reset MMU. */
s->allocated = 0;
s->tx_fifo_len = 0;
s->tx_fifo_done_len = 0;
s->rx_fifo_len = 0;
s->tx_alloc = 0;
break;
case 3: /* Remove from RX FIFO. */
smc91c111_pop_rx_fifo(s);
break;
case 4: /* Remove from RX FIFO and release. */
if (s->rx_fifo_len > 0) {
smc91c111_release_packet(s, s->rx_fifo[0]);
}
smc91c111_pop_rx_fifo(s);
break;
case 5: /* Release. */
smc91c111_release_packet(s, s->packet_num);
break;
case 6: /* Add to TX FIFO. */
smc91c111_queue_tx(s, s->packet_num);
break;
case 7: /* Reset TX FIFO. */
s->tx_fifo_len = 0;
s->tx_fifo_done_len = 0;
break;
}
return;
case 1:
/* Ignore. */
return;
case 2: /* Packet Number Register */
s->packet_num = value;
return;
case 3: case 4: case 5:
/* Should be readonly, but linux writes to them anyway. Ignore. */
return;
case 6: /* Pointer */
SET_LOW(ptr, value);
return;
case 7:
SET_HIGH(ptr, value);
return;
case 8: case 9: case 10: case 11: /* Data */
{
int p;
int n;
if (s->ptr & 0x8000)
n = s->rx_fifo[0];
else
n = s->packet_num;
p = s->ptr & 0x07ff;
if (s->ptr & 0x4000) {
s->ptr = (s->ptr & 0xf800) | ((s->ptr + 1) & 0x7ff);
} else {
p += (offset & 3);
}
s->data[n][p] = value;
}
return;
case 12: /* Interrupt ACK. */
s->int_level &= ~(value & 0xd6);
if (value & INT_TX)
smc91c111_pop_tx_fifo_done(s);
smc91c111_update(s);
return;
case 13: /* Interrupt mask. */
s->int_mask = value;
smc91c111_update(s);
return;
}
break;;
case 3:
switch (offset) {
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
/* Multicast table. */
/* Not implemented. */
return;
case 8: case 9: /* Management Interface. */
/* Not implemented. */
return;
case 12: /* Early receive. */
s->ercv = value & 0x1f;
case 13:
/* Ignore. */
return;
}
break;
}
hw_error("smc91c111_write: Bad reg %d:%x\n", s->bank, (int)offset);
}
static void smc91c111_writeb(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
smc91c111_state *s = (smc91c111_state *)opaque;
if (offset == 14) {
s->bank = value;
return;
}
if (offset == 15)
return;
switch (s->bank) {
case 0:
switch (offset) {
case 0:
SET_LOW(tcr, value);
return;
case 1:
SET_HIGH(tcr, value);
return;
case 4:
SET_LOW(rcr, value);
return;
case 5:
SET_HIGH(rcr, value);
if (s->rcr & RCR_SOFT_RST)
smc91c111_reset(s);
return;
case 10: case 11:
return;
}
break;
case 1:
switch (offset) {
case 0:
SET_LOW(cr, value);
return;
case 1:
SET_HIGH(cr,value);
return;
case 2: case 3:
case 4: case 5: case 6: case 7: case 8: case 9:
return;
case 10:
SET_LOW(gpr, value);
return;
case 11:
SET_HIGH(gpr, value);
return;
case 12:
if (value & 1)
fprintf(stderr, "smc91c111:EEPROM store not implemented\n");
if (value & 2)
fprintf(stderr, "smc91c111:EEPROM reload not implemented\n");
value &= ~3;
SET_LOW(ctr, value);
return;
case 13:
SET_HIGH(ctr, value);
return;
}
break;
case 2:
switch (offset) {
case 0:
switch (value >> 5) {
case 0:
break;
case 1:
s->tx_alloc = 0x80;
s->int_level &= ~INT_ALLOC;
smc91c111_update(s);
smc91c111_tx_alloc(s);
break;
case 2:
s->allocated = 0;
s->tx_fifo_len = 0;
s->tx_fifo_done_len = 0;
s->rx_fifo_len = 0;
s->tx_alloc = 0;
break;
case 3:
smc91c111_pop_rx_fifo(s);
break;
case 4:
if (s->rx_fifo_len > 0) {
smc91c111_release_packet(s, s->rx_fifo[0]);
}
smc91c111_pop_rx_fifo(s);
break;
case 5:
smc91c111_release_packet(s, s->packet_num);
break;
case 6:
smc91c111_queue_tx(s, s->packet_num);
break;
case 7:
s->tx_fifo_len = 0;
s->tx_fifo_done_len = 0;
break;
}
return;
case 1:
return;
case 2:
s->packet_num = value;
return;
case 3: case 4: case 5:
return;
case 6:
SET_LOW(ptr, value);
return;
case 7:
SET_HIGH(ptr, value);
return;
case 8: case 9: case 10: case 11:
{
int p;
int n;
if (s->ptr & 0x8000)
n = s->rx_fifo[0];
else
n = s->packet_num;
p = s->ptr & 0x07ff;
if (s->ptr & 0x4000) {
s->ptr = (s->ptr & 0xf800) | ((s->ptr + 1) & 0x7ff);
} else {
p += (offset & 3);
}
s->data[n][p] = value;
}
return;
case 12:
s->int_level &= ~(value & 0xd6);
if (value & INT_TX)
smc91c111_pop_tx_fifo_done(s);
smc91c111_update(s);
return;
case 13:
s->int_mask = value;
smc91c111_update(s);
return;
}
break;;
case 3:
switch (offset) {
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
return;
case 8: case 9:
return;
case 12:
s->ercv = value & 0x1f;
case 13:
return;
}
break;
}
hw_error("smc91c111_write: Bad reg %d:%x\n", s->bank, (int)offset);
}
