/**************************************************************************
NE_PROBE - Initialize an adapter ???
**************************************************************************/
static int ne_probe(struct nic *nic, struct isa_device *isa) {
int i;
unsigned char c;
unsigned char romdata[16];
unsigned char testbuf[32];
eth_vendor = VENDOR_NONE;
eth_drain_receiver = 0;
nic->irqno = 0;
nic->ioaddr = isa->ioaddr;
eth_nic_base = isa->ioaddr;
/******************************************************************
Search for NE1000/2000 if no WD/SMC or 3com cards
******************************************************************/
if (eth_vendor == VENDOR_NONE) {
static unsigned char test[] = "NE*000 memory";
eth_bmem = 0; /* No shared memory */
eth_flags = FLAG_PIO;
eth_asic_base = eth_nic_base + NE_ASIC_OFFSET;
eth_memsize = MEM_16384;
eth_tx_start = 32;
eth_rx_start = 32 + D8390_TXBUF_SIZE;
c = inb(eth_asic_base + NE_RESET);
outb(c, eth_asic_base + NE_RESET);
(void) inb(0x84);
outb(D8390_COMMAND_STP | D8390_COMMAND_RD2, eth_nic_base
+ D8390_P0_COMMAND);
outb(D8390_RCR_MON, eth_nic_base + D8390_P0_RCR);
outb(D8390_DCR_FT1 | D8390_DCR_LS, eth_nic_base + D8390_P0_DCR);
outb(MEM_8192, eth_nic_base + D8390_P0_PSTART);
outb(MEM_16384, eth_nic_base + D8390_P0_PSTOP);
eth_pio_write((unsigned char *) test, 8192, sizeof(test));
eth_pio_read(8192, testbuf, sizeof(test));
if (!memcmp(test, testbuf, sizeof(test)))
goto out;
eth_flags |= FLAG_16BIT;
eth_memsize = MEM_32768;
eth_tx_start = 64;
eth_rx_start = 64 + D8390_TXBUF_SIZE;
outb(D8390_DCR_WTS | D8390_DCR_FT1 | D8390_DCR_LS, eth_nic_base
+ D8390_P0_DCR);
outb(MEM_16384, eth_nic_base + D8390_P0_PSTART);
outb(MEM_32768, eth_nic_base + D8390_P0_PSTOP);
eth_pio_write((unsigned char *) test, 16384, sizeof(test));
eth_pio_read(16384, testbuf, sizeof(test));
if (!memcmp(testbuf, test, sizeof(test)))
goto out;
out:
if (eth_nic_base == 0)
return (0);
if (eth_nic_base > ISA_MAX_ADDR) /* PCI probably */
eth_flags |= FLAG_16BIT;
eth_vendor = VENDOR_NOVELL;
eth_pio_read(0, romdata, sizeof(romdata));
for (i = 0; i < ETH_ALEN; i++) {
nic->node_addr[i] = romdata[i + ((eth_flags & FLAG_16BIT) ? i : 0)];
}
nic->ioaddr = eth_nic_base;
DBG("\nNE%c000 base %4.4x, MAC Addr %s\n",
(eth_flags & FLAG_16BIT) ? '2' : '1', eth_nic_base, eth_ntoa(
nic->node_addr));
}
if (eth_vendor == VENDOR_NONE)
return (0);
if (eth_vendor != VENDOR_3COM)
eth_rmem = eth_bmem;
ne_reset(nic, isa);
nic->nic_op = &ne_operations;
return 1;
}
void ne2k_append_data(unsigned char *d, int len, unsigned int base)
{
eth_pio_write(d, (TX_START << 8) + 42 + get_count(base), len, base);
set_count(base, get_count(base)+len);
}
