void
mc_rint(struct mc_softc *sc)
{
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
#define rxf sc->sc_rxframe
u_int len;
len = (rxf.rx_rcvcnt | ((rxf.rx_rcvsts & 0xf) << 8)) - 4;
#ifdef MCDEBUG
if (rxf.rx_rcvsts & 0xf0)
printf("%s: rcvcnt %02x rcvsts %02x rntpc 0x%02x rcvcc 0x%02x\n",
sc->sc_dev.dv_xname, rxf.rx_rcvcnt, rxf.rx_rcvsts,
rxf.rx_rntpc, rxf.rx_rcvcc);
#endif
if (rxf.rx_rcvsts & OFLO) {
#ifdef MCDEBUG
printf("%s: receive FIFO overflow\n", sc->sc_dev.dv_xname);
#endif
ifp->if_ierrors++;
return;
}
if (rxf.rx_rcvsts & CLSN)
ifp->if_collisions++;
if (rxf.rx_rcvsts & FRAM) {
#ifdef MCDEBUG
printf("%s: framing error\n", sc->sc_dev.dv_xname);
#endif
ifp->if_ierrors++;
return;
}
if (rxf.rx_rcvsts & FCS) {
#ifdef MCDEBUG
printf("%s: frame control checksum error\n", sc->sc_dev.dv_xname);
#endif
ifp->if_ierrors++;
return;
}
mace_read(sc, rxf.rx_frame, len);
#undef rxf
}
static int nmclan_config(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
mace_private *lp = netdev_priv(dev);
tuple_t tuple;
u_char buf[64];
int i, last_ret, last_fn;
kio_addr_t ioaddr;
DEBUG(0, "nmclan_config(0x%p)\n", link);
CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;
ioaddr = dev->base_addr;
/* Read the ethernet address from the CIS. */
tuple.DesiredTuple = 0x80 /* CISTPL_CFTABLE_ENTRY_MISC */;
tuple.TupleData = buf;
tuple.TupleDataMax = 64;
tuple.TupleOffset = 0;
tuple.Attributes = 0;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
memcpy(dev->dev_addr, tuple.TupleData, ETHER_ADDR_LEN);
/* Verify configuration by reading the MACE ID. */
{
char sig[2];
sig[0] = mace_read(lp, ioaddr, MACE_CHIPIDL);
sig[1] = mace_read(lp, ioaddr, MACE_CHIPIDH);
if ((sig[0] == 0x40) && ((sig[1] & 0x0F) == 0x09)) {
DEBUG(0, "nmclan_cs configured: mace id=%x %x\n",
sig[0], sig[1]);
} else {
printk(KERN_NOTICE "nmclan_cs: mace id not found: %x %x should"
" be 0x40 0x?9\n", sig[0], sig[1]);
return -ENODEV;
}
}
if(mace_init(lp, ioaddr, dev->dev_addr) == -1)
goto failed;
/* The if_port symbol can be set when the module is loaded */
if (if_port <= 2)
dev->if_port = if_port;
else
printk(KERN_NOTICE "nmclan_cs: invalid if_port requested\n");
link->dev_node = &lp->node;
SET_NETDEV_DEV(dev, &handle_to_dev(link));
i = register_netdev(dev);
if (i != 0) {
printk(KERN_NOTICE "nmclan_cs: register_netdev() failed\n");
link->dev_node = NULL;
goto failed;
}
strcpy(lp->node.dev_name, dev->name);
printk(KERN_INFO "%s: nmclan: port %#3lx, irq %d, %s port, hw_addr ",
dev->name, dev->base_addr, dev->irq, if_names[dev->if_port]);
for (i = 0; i < 6; i++)
printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
return 0;
cs_failed:
cs_error(link, last_fn, last_ret);
failed:
nmclan_release(link);
return -ENODEV;
} /* nmclan_config */
/* ----------------------------------------------------------------------------
mace_init
Resets the MACE chip.
---------------------------------------------------------------------------- */
static int mace_init(mace_private *lp, kio_addr_t ioaddr, char *enet_addr)
{
int i;
int ct = 0;
/* MACE Software reset */
mace_write(lp, ioaddr, MACE_BIUCC, 1);
while (mace_read(lp, ioaddr, MACE_BIUCC) & 0x01) {
/* Wait for reset bit to be cleared automatically after <= 200ns */;
if(++ct > 500)
{
printk(KERN_ERR "mace: reset failed, card removed ?\n");
return -1;
}
udelay(1);
}
mace_write(lp, ioaddr, MACE_BIUCC, 0);
/* The Am2150 requires that the MACE FIFOs operate in burst mode. */
mace_write(lp, ioaddr, MACE_FIFOCC, 0x0F);
mace_write(lp,ioaddr, MACE_RCVFC, 0); /* Disable Auto Strip Receive */
mace_write(lp, ioaddr, MACE_IMR, 0xFF); /* Disable all interrupts until _open */
/*
* Bit 2-1 PORTSEL[1-0] Port Select.
* 00 AUI/10Base-2
* 01 10Base-T
* 10 DAI Port (reserved in Am2150)
* 11 GPSI
* For this card, only the first two are valid.
* So, PLSCC should be set to
* 0x00 for 10Base-2
* 0x02 for 10Base-T
* Or just set ASEL in PHYCC below!
*/
switch (if_port) {
case 1:
mace_write(lp, ioaddr, MACE_PLSCC, 0x02);
break;
case 2:
mace_write(lp, ioaddr, MACE_PLSCC, 0x00);
break;
default:
mace_write(lp, ioaddr, MACE_PHYCC, /* ASEL */ 4);
/* ASEL Auto Select. When set, the PORTSEL[1-0] bits are overridden,
and the MACE device will automatically select the operating media
interface port. */
break;
}
mace_write(lp, ioaddr, MACE_IAC, MACE_IAC_ADDRCHG | MACE_IAC_PHYADDR);
/* Poll ADDRCHG bit */
ct = 0;
while (mace_read(lp, ioaddr, MACE_IAC) & MACE_IAC_ADDRCHG)
{
if(++ ct > 500)
{
printk(KERN_ERR "mace: ADDRCHG timeout, card removed ?\n");
return -1;
}
}
/* Set PADR register */
for (i = 0; i < ETHER_ADDR_LEN; i++)
mace_write(lp, ioaddr, MACE_PADR, enet_addr[i]);
/* MAC Configuration Control Register should be written last */
/* Let set_multicast_list set this. */
/* mace_write(lp, ioaddr, MACE_MACCC, MACE_MACCC_ENXMT | MACE_MACCC_ENRCV); */
mace_write(lp, ioaddr, MACE_MACCC, 0x00);
return 0;
} /* mace_init */
static int nmclan_config(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
mace_private *lp = netdev_priv(dev);
u8 *buf;
size_t len;
int i, ret;
unsigned int ioaddr;
dev_dbg(&link->dev, "nmclan_config\n");
ret = pcmcia_request_io(link, &link->io);
if (ret)
goto failed;
ret = pcmcia_request_irq(link, &link->irq);
if (ret)
goto failed;
ret = pcmcia_request_configuration(link, &link->conf);
if (ret)
goto failed;
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;
ioaddr = dev->base_addr;
/* Read the ethernet address from the CIS. */
len = pcmcia_get_tuple(link, 0x80, &buf);
if (!buf || len < ETHER_ADDR_LEN) {
kfree(buf);
goto failed;
}
memcpy(dev->dev_addr, buf, ETHER_ADDR_LEN);
kfree(buf);
/* Verify configuration by reading the MACE ID. */
{
char sig[2];
sig[0] = mace_read(lp, ioaddr, MACE_CHIPIDL);
sig[1] = mace_read(lp, ioaddr, MACE_CHIPIDH);
if ((sig[0] == 0x40) && ((sig[1] & 0x0F) == 0x09)) {
dev_dbg(&link->dev, "nmclan_cs configured: mace id=%x %x\n",
sig[0], sig[1]);
} else {
printk(KERN_NOTICE "nmclan_cs: mace id not found: %x %x should"
" be 0x40 0x?9\n", sig[0], sig[1]);
return -ENODEV;
}
}
if(mace_init(lp, ioaddr, dev->dev_addr) == -1)
goto failed;
/* The if_port symbol can be set when the module is loaded */
if (if_port <= 2)
dev->if_port = if_port;
else
printk(KERN_NOTICE "nmclan_cs: invalid if_port requested\n");
link->dev_node = &lp->node;
SET_NETDEV_DEV(dev, &link->dev);
i = register_netdev(dev);
if (i != 0) {
printk(KERN_NOTICE "nmclan_cs: register_netdev() failed\n");
link->dev_node = NULL;
goto failed;
}
strcpy(lp->node.dev_name, dev->name);
printk(KERN_INFO "%s: nmclan: port %#3lx, irq %d, %s port,"
" hw_addr %pM\n",
dev->name, dev->base_addr, dev->irq, if_names[dev->if_port],
dev->dev_addr);
return 0;
failed:
nmclan_release(link);
return -ENODEV;
} /* nmclan_config */
static int nmclan_config(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
mace_private *lp = netdev_priv(dev);
u8 *buf;
size_t len;
int i, ret;
unsigned int ioaddr;
dev_dbg(&link->dev, "nmclan_config\n");
link->io_lines = 5;
ret = pcmcia_request_io(link);
if (ret)
goto failed;
ret = pcmcia_request_exclusive_irq(link, mace_interrupt);
if (ret)
goto failed;
ret = pcmcia_enable_device(link);
if (ret)
goto failed;
dev->irq = link->irq;
dev->base_addr = link->resource[0]->start;
ioaddr = dev->base_addr;
/* Read the ethernet address from the CIS. */
len = pcmcia_get_tuple(link, 0x80, &buf);
if (!buf || len < ETH_ALEN) {
kfree(buf);
goto failed;
}
memcpy(dev->dev_addr, buf, ETH_ALEN);
kfree(buf);
/* Verify configuration by reading the MACE ID. */
{
char sig[2];
sig[0] = mace_read(lp, ioaddr, MACE_CHIPIDL);
sig[1] = mace_read(lp, ioaddr, MACE_CHIPIDH);
if ((sig[0] == 0x40) && ((sig[1] & 0x0F) == 0x09)) {
dev_dbg(&link->dev, "nmclan_cs configured: mace id=%x %x\n",
sig[0], sig[1]);
} else {
pr_notice("mace id not found: %x %x should be 0x40 0x?9\n",
sig[0], sig[1]);
return -ENODEV;
}
}
if(mace_init(lp, ioaddr, dev->dev_addr) == -1)
goto failed;
/* The if_port symbol can be set when the module is loaded */
if (if_port <= 2)
dev->if_port = if_port;
else
pr_notice("invalid if_port requested\n");
SET_NETDEV_DEV(dev, &link->dev);
i = register_netdev(dev);
if (i != 0) {
pr_notice("register_netdev() failed\n");
goto failed;
}
netdev_info(dev, "nmclan: port %#3lx, irq %d, %s port, hw_addr %pM\n",
dev->base_addr, dev->irq, if_names[dev->if_port], dev->dev_addr);
return 0;
failed:
nmclan_release(link);
return -ENODEV;
} /* nmclan_config */
