static void mca_handle_nmi_slot( int slot, int check_flag )
{
if( slot < MCA_MAX_SLOT_NR ) {
printk( "NMI: caused by MCA adapter in slot %d (%s)\n", slot+1,
mca_info->slot[slot].name );
} else if( slot == MCA_INTEGSCSI ) {
printk( "NMI: caused by MCA integrated SCSI adapter (%s)\n",
mca_info->slot[slot].name );
} else if( slot == MCA_INTEGVIDEO ) {
printk( "NMI: caused by MCA integrated video adapter (%s)\n",
mca_info->slot[slot].name );
}
/* more info available in pos 6 and 7? */
if( check_flag ) {
unsigned char pos6, pos7;
pos6 = mca_read_pos( slot, 6 );
pos7 = mca_read_pos( slot, 7 );
printk( "NMI: POS 6 = 0x%x, POS 7 = 0x%x\n", pos6, pos7 );
}
} /* mca_handle_nmi_slot */
void mca_handle_nmi( void )
{
int i;
unsigned char pos5;
/* First try - scan the various adapters and see if a specific
* adapter was responsible for the error
*/
for( i = 0; i < MCA_NUMADAPTERS; i += 1 ) {
/* bit 7 of POS 5 is reset when this adapter has a hardware
* error. bit 7 it reset if there's error information
* available in pos 6 and 7. */
pos5 = mca_read_pos( i, 5 );
if( !(pos5 & 0x80) ) {
mca_handle_nmi_slot( i, !(pos5 & 0x40) );
return;
}
}
/* if I recall correctly, there's a whole bunch of other things that
* we can do to check for NMI problems, but that's all I know about
* at the moment.
*/
printk( "NMI generated from unknown source!\n" );
} /* mca_handle_nmi */
static int __init mc32_probe1(struct net_device *dev, int slot)
{
static unsigned version_printed;
int i, err;
u8 POS;
u32 base;
struct mc32_local *lp = netdev_priv(dev);
static u16 mca_io_bases[]= {
0x7280,0x7290,
0x7680,0x7690,
0x7A80,0x7A90,
0x7E80,0x7E90
};
static u32 mca_mem_bases[]= {
0x00C0000,
0x00C4000,
0x00C8000,
0x00CC000,
0x00D0000,
0x00D4000,
0x00D8000,
0x00DC000
};
static char *failures[]= {
"Processor instruction",
"Processor data bus",
"Processor data bus",
"Processor data bus",
"Adapter bus",
"ROM checksum",
"Base RAM",
"Extended RAM",
"82586 internal loopback",
"82586 initialisation failure",
"Adapter list configuration error"
};
/* Time to play MCA games */
if (mc32_debug && version_printed++ == 0)
printk(KERN_DEBUG "%s", version);
printk(KERN_INFO "%s: %s found in slot %d:", dev->name, cardname, slot);
POS = mca_read_stored_pos(slot, 2);
if(!(POS&1))
{
printk(" disabled.\n");
return -ENODEV;
}
/* Fill in the 'dev' fields. */
dev->base_addr = mca_io_bases[(POS>>1)&7];
dev->mem_start = mca_mem_bases[(POS>>4)&7];
POS = mca_read_stored_pos(slot, 4);
if(!(POS&1))
{
printk("memory window disabled.\n");
return -ENODEV;
}
POS = mca_read_stored_pos(slot, 5);
i=(POS>>4)&3;
if(i==3)
{
printk("invalid memory window.\n");
return -ENODEV;
}
i*=16384;
i+=16384;
dev->mem_end=dev->mem_start + i;
dev->irq = ((POS>>2)&3)+9;
if(!request_region(dev->base_addr, MC32_IO_EXTENT, cardname))
{
printk("io 0x%3lX, which is busy.\n", dev->base_addr);
return -EBUSY;
}
printk("io 0x%3lX irq %d mem 0x%lX (%dK)\n",
dev->base_addr, dev->irq, dev->mem_start, i/1024);
/* We ought to set the cache line size here.. */
/*
* Go PROM browsing
*/
/* Retrieve and print the ethernet address. */
for (i = 0; i < 6; i++)
{
mca_write_pos(slot, 6, i+12);
mca_write_pos(slot, 7, 0);
dev->dev_addr[i] = mca_read_pos(slot,3);
}
printk("%s: Address %pM", dev->name, dev->dev_addr);
mca_write_pos(slot, 6, 0);
mca_write_pos(slot, 7, 0);
POS = mca_read_stored_pos(slot, 4);
if(POS&2)
printk(" : BNC port selected.\n");
else
printk(" : AUI port selected.\n");
POS=inb(dev->base_addr+HOST_CTRL);
POS|=HOST_CTRL_ATTN|HOST_CTRL_RESET;
POS&=~HOST_CTRL_INTE;
outb(POS, dev->base_addr+HOST_CTRL);
/* Reset adapter */
udelay(100);
/* Reset off */
POS&=~(HOST_CTRL_ATTN|HOST_CTRL_RESET);
outb(POS, dev->base_addr+HOST_CTRL);
udelay(300);
/*
* Grab the IRQ
*/
err = request_irq(dev->irq, &mc32_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM, DRV_NAME, dev);
if (err) {
release_region(dev->base_addr, MC32_IO_EXTENT);
printk(KERN_ERR "%s: unable to get IRQ %d.\n", DRV_NAME, dev->irq);
goto err_exit_ports;
}
memset(lp, 0, sizeof(struct mc32_local));
lp->slot = slot;
i=0;
base = inb(dev->base_addr);
while(base == 0xFF)
{
i++;
if(i == 1000)
{
printk(KERN_ERR "%s: failed to boot adapter.\n", dev->name);
err = -ENODEV;
goto err_exit_irq;
}
udelay(1000);
if(inb(dev->base_addr+2)&(1<<5))
base = inb(dev->base_addr);
}
if(base>0)
{
if(base < 0x0C)
printk(KERN_ERR "%s: %s%s.\n", dev->name, failures[base-1],
base<0x0A?" test failure":"");
else
printk(KERN_ERR "%s: unknown failure %d.\n", dev->name, base);
err = -ENODEV;
goto err_exit_irq;
}
base=0;
for(i=0; i<4; i++)
{
int n=0;
while(!(inb(dev->base_addr+2)&(1<<5)))
{
n++;
udelay(50);
if(n>100)
{
printk(KERN_ERR "%s: mailbox read fail (%d).\n", dev->name, i);
err = -ENODEV;
goto err_exit_irq;
}
}
base|=(inb(dev->base_addr)<<(8*i));
}
lp->exec_box=isa_bus_to_virt(dev->mem_start+base);
base=lp->exec_box->data[1]<<16|lp->exec_box->data[0];
lp->base = dev->mem_start+base;
lp->rx_box=isa_bus_to_virt(lp->base + lp->exec_box->data[2]);
lp->tx_box=isa_bus_to_virt(lp->base + lp->exec_box->data[3]);
lp->stats = isa_bus_to_virt(lp->base + lp->exec_box->data[5]);
/*
* Descriptor chains (card relative)
*/
lp->tx_chain = lp->exec_box->data[8]; /* Transmit list start offset */
lp->rx_chain = lp->exec_box->data[10]; /* Receive list start offset */
lp->tx_len = lp->exec_box->data[9]; /* Transmit list count */
lp->rx_len = lp->exec_box->data[11]; /* Receive list count */
init_MUTEX_LOCKED(&lp->cmd_mutex);
init_completion(&lp->execution_cmd);
init_completion(&lp->xceiver_cmd);
printk("%s: Firmware Rev %d. %d RX buffers, %d TX buffers. Base of 0x%08X.\n",
dev->name, lp->exec_box->data[12], lp->rx_len, lp->tx_len, lp->base);
dev->open = mc32_open;
dev->stop = mc32_close;
dev->hard_start_xmit = mc32_send_packet;
dev->get_stats = mc32_get_stats;
dev->set_multicast_list = mc32_set_multicast_list;
dev->tx_timeout = mc32_timeout;
dev->watchdog_timeo = HZ*5; /* Board does all the work */
dev->ethtool_ops = &netdev_ethtool_ops;
return 0;
err_exit_irq:
free_irq(dev->irq, dev);
err_exit_ports:
release_region(dev->base_addr, MC32_IO_EXTENT);
return err;
}
