2005-03-08 19:53:11 +01:00
|
|
|
|
#ifdef ALLMULTI
|
|
|
|
|
#error multicast support is not yet implemented
|
|
|
|
|
#endif
|
|
|
|
|
/*------------------------------------------------------------------------
|
|
|
|
|
* smc9000.c
|
|
|
|
|
* This is a Etherboot driver for SMC's 9000 series of Ethernet cards.
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 1998 Daniel Engstr<EFBFBD>m <daniel.engstrom@riksnett.no>
|
|
|
|
|
* Based on the Linux SMC9000 driver, smc9194.c by Eric Stahlman
|
|
|
|
|
* Copyright (C) 1996 by Erik Stahlman <eric@vt.edu>
|
|
|
|
|
*
|
|
|
|
|
* This software may be used and distributed according to the terms
|
|
|
|
|
* of the GNU Public License, incorporated herein by reference.
|
|
|
|
|
*
|
|
|
|
|
* "Features" of the SMC chip:
|
|
|
|
|
* 4608 byte packet memory. ( for the 91C92/4. Others have more )
|
|
|
|
|
* EEPROM for configuration
|
|
|
|
|
* AUI/TP selection
|
|
|
|
|
*
|
|
|
|
|
* Authors
|
|
|
|
|
* Erik Stahlman <erik@vt.edu>
|
|
|
|
|
* Daniel Engstr<EFBFBD>m <daniel.engstrom@riksnett.no>
|
|
|
|
|
*
|
|
|
|
|
* History
|
|
|
|
|
* 98-09-25 Daniel Engstr<EFBFBD>m Etherboot driver crated from Eric's
|
|
|
|
|
* Linux driver.
|
|
|
|
|
*
|
|
|
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
|
#define LINUX_OUT_MACROS 1
|
|
|
|
|
#define SMC9000_VERBOSE 1
|
|
|
|
|
#define SMC9000_DEBUG 0
|
|
|
|
|
|
|
|
|
|
#include "etherboot.h"
|
|
|
|
|
#include "nic.h"
|
|
|
|
|
#include "isa.h"
|
|
|
|
|
#include "smc9000.h"
|
|
|
|
|
|
|
|
|
|
# define _outb outb
|
|
|
|
|
# define _outw outw
|
|
|
|
|
|
|
|
|
|
static const char smc9000_version[] = "Version 0.99 98-09-30";
|
|
|
|
|
static unsigned int smc9000_base=0;
|
|
|
|
|
static const char *interfaces[ 2 ] = { "TP", "AUI" };
|
|
|
|
|
static const char *chip_ids[ 15 ] = {
|
|
|
|
|
NULL, NULL, NULL,
|
|
|
|
|
/* 3 */ "SMC91C90/91C92",
|
|
|
|
|
/* 4 */ "SMC91C94",
|
|
|
|
|
/* 5 */ "SMC91C95",
|
|
|
|
|
NULL,
|
|
|
|
|
/* 7 */ "SMC91C100",
|
|
|
|
|
/* 8 */ "SMC91C100FD",
|
|
|
|
|
NULL, NULL, NULL,
|
|
|
|
|
NULL, NULL, NULL
|
|
|
|
|
};
|
|
|
|
|
static const char smc91c96_id[] = "SMC91C96";
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Function: smc_reset( int ioaddr )
|
|
|
|
|
* Purpose:
|
|
|
|
|
* This sets the SMC91xx chip to its normal state, hopefully from whatever
|
|
|
|
|
* mess that any other DOS driver has put it in.
|
|
|
|
|
*
|
|
|
|
|
* Maybe I should reset more registers to defaults in here? SOFTRESET should
|
|
|
|
|
* do that for me.
|
|
|
|
|
*
|
|
|
|
|
* Method:
|
|
|
|
|
* 1. send a SOFT RESET
|
|
|
|
|
* 2. wait for it to finish
|
|
|
|
|
* 3. reset the memory management unit
|
|
|
|
|
* 4. clear all interrupts
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
static void smc_reset(int ioaddr)
|
|
|
|
|
{
|
|
|
|
|
/* This resets the registers mostly to defaults, but doesn't
|
|
|
|
|
* affect EEPROM. That seems unnecessary */
|
|
|
|
|
SMC_SELECT_BANK(ioaddr, 0);
|
|
|
|
|
_outw( RCR_SOFTRESET, ioaddr + RCR );
|
|
|
|
|
|
|
|
|
|
/* this should pause enough for the chip to be happy */
|
|
|
|
|
SMC_DELAY(ioaddr);
|
|
|
|
|
|
|
|
|
|
/* Set the transmit and receive configuration registers to
|
|
|
|
|
* default values */
|
|
|
|
|
_outw(RCR_CLEAR, ioaddr + RCR);
|
|
|
|
|
_outw(TCR_CLEAR, ioaddr + TCR);
|
|
|
|
|
|
|
|
|
|
/* Reset the MMU */
|
|
|
|
|
SMC_SELECT_BANK(ioaddr, 2);
|
|
|
|
|
_outw( MC_RESET, ioaddr + MMU_CMD );
|
|
|
|
|
|
|
|
|
|
/* Note: It doesn't seem that waiting for the MMU busy is needed here,
|
|
|
|
|
* but this is a place where future chipsets _COULD_ break. Be wary
|
|
|
|
|
* of issuing another MMU command right after this */
|
|
|
|
|
_outb(0, ioaddr + INT_MASK);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*----------------------------------------------------------------------
|
|
|
|
|
* Function: smc_probe( int ioaddr )
|
|
|
|
|
*
|
|
|
|
|
* Purpose:
|
|
|
|
|
* Tests to see if a given ioaddr points to an SMC9xxx chip.
|
|
|
|
|
* Returns a 0 on success
|
|
|
|
|
*
|
|
|
|
|
* Algorithm:
|
|
|
|
|
* (1) see if the high byte of BANK_SELECT is 0x33
|
|
|
|
|
* (2) compare the ioaddr with the base register's address
|
|
|
|
|
* (3) see if I recognize the chip ID in the appropriate register
|
|
|
|
|
*
|
|
|
|
|
* ---------------------------------------------------------------------
|
|
|
|
|
*/
|
|
|
|
|
static int smc_probe( int ioaddr )
|
|
|
|
|
{
|
|
|
|
|
word bank;
|
|
|
|
|
word revision_register;
|
|
|
|
|
word base_address_register;
|
|
|
|
|
|
|
|
|
|
/* First, see if the high byte is 0x33 */
|
|
|
|
|
bank = inw(ioaddr + BANK_SELECT);
|
|
|
|
|
if ((bank & 0xFF00) != 0x3300) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
/* The above MIGHT indicate a device, but I need to write to further
|
|
|
|
|
* test this. */
|
|
|
|
|
_outw(0x0, ioaddr + BANK_SELECT);
|
|
|
|
|
bank = inw(ioaddr + BANK_SELECT);
|
|
|
|
|
if ((bank & 0xFF00) != 0x3300) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* well, we've already written once, so hopefully another time won't
|
|
|
|
|
* hurt. This time, I need to switch the bank register to bank 1,
|
|
|
|
|
* so I can access the base address register */
|
|
|
|
|
SMC_SELECT_BANK(ioaddr, 1);
|
|
|
|
|
base_address_register = inw(ioaddr + BASE);
|
|
|
|
|
|
|
|
|
|
if (ioaddr != (base_address_register >> 3 & 0x3E0)) {
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
printf("SMC9000: IOADDR %hX doesn't match configuration (%hX)."
|
|
|
|
|
"Probably not a SMC chip\n",
|
|
|
|
|
ioaddr, base_address_register >> 3 & 0x3E0);
|
|
|
|
|
#endif
|
|
|
|
|
/* well, the base address register didn't match. Must not have
|
|
|
|
|
* been a SMC chip after all. */
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* check if the revision register is something that I recognize.
|
|
|
|
|
* These might need to be added to later, as future revisions
|
|
|
|
|
* could be added. */
|
|
|
|
|
SMC_SELECT_BANK(ioaddr, 3);
|
|
|
|
|
revision_register = inw(ioaddr + REVISION);
|
|
|
|
|
if (!chip_ids[(revision_register >> 4) & 0xF]) {
|
|
|
|
|
/* I don't recognize this chip, so... */
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
printf("SMC9000: IO %hX: Unrecognized revision register:"
|
|
|
|
|
" %hX, Contact author.\n", ioaddr, revision_register);
|
|
|
|
|
#endif
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* at this point I'll assume that the chip is an SMC9xxx.
|
|
|
|
|
* It might be prudent to check a listing of MAC addresses
|
|
|
|
|
* against the hardware address, or do some other tests. */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
|
|
|
* ETH_TRANSMIT - Transmit a frame
|
|
|
|
|
***************************************************************************/
|
|
|
|
|
static void smc9000_transmit(
|
|
|
|
|
struct nic *nic,
|
|
|
|
|
const char *d, /* Destination */
|
|
|
|
|
unsigned int t, /* Type */
|
|
|
|
|
unsigned int s, /* size */
|
|
|
|
|
const char *p) /* Packet */
|
|
|
|
|
{
|
|
|
|
|
word length; /* real, length incl. header */
|
|
|
|
|
word numPages;
|
|
|
|
|
unsigned long time_out;
|
|
|
|
|
byte packet_no;
|
|
|
|
|
word status;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
/* We dont pad here since we can have the hardware doing it for us */
|
|
|
|
|
length = (s + ETH_HLEN + 1)&~1;
|
|
|
|
|
|
|
|
|
|
/* convert to MMU pages */
|
|
|
|
|
numPages = length / 256;
|
|
|
|
|
|
|
|
|
|
if (numPages > 7 ) {
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
printf("SMC9000: Far too big packet error. \n");
|
|
|
|
|
#endif
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* dont try more than, say 30 times */
|
|
|
|
|
for (i=0;i<30;i++) {
|
|
|
|
|
/* now, try to allocate the memory */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 2);
|
|
|
|
|
_outw(MC_ALLOC | numPages, smc9000_base + MMU_CMD);
|
|
|
|
|
|
|
|
|
|
status = 0;
|
|
|
|
|
/* wait for the memory allocation to finnish */
|
|
|
|
|
for (time_out = currticks() + 5*TICKS_PER_SEC; currticks() < time_out; ) {
|
|
|
|
|
status = inb(smc9000_base + INTERRUPT);
|
|
|
|
|
if ( status & IM_ALLOC_INT ) {
|
|
|
|
|
/* acknowledge the interrupt */
|
|
|
|
|
_outb(IM_ALLOC_INT, smc9000_base + INTERRUPT);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((status & IM_ALLOC_INT) != 0 ) {
|
|
|
|
|
/* We've got the memory */
|
|
|
|
|
break;
|
|
|
|
|
} else {
|
|
|
|
|
printf("SMC9000: Memory allocation timed out, resetting MMU.\n");
|
|
|
|
|
_outw(MC_RESET, smc9000_base + MMU_CMD);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If I get here, I _know_ there is a packet slot waiting for me */
|
|
|
|
|
packet_no = inb(smc9000_base + PNR_ARR + 1);
|
|
|
|
|
if (packet_no & 0x80) {
|
|
|
|
|
/* or isn't there? BAD CHIP! */
|
|
|
|
|
printf("SMC9000: Memory allocation failed. \n");
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* we have a packet address, so tell the card to use it */
|
|
|
|
|
_outb(packet_no, smc9000_base + PNR_ARR);
|
|
|
|
|
|
|
|
|
|
/* point to the beginning of the packet */
|
|
|
|
|
_outw(PTR_AUTOINC, smc9000_base + POINTER);
|
|
|
|
|
|
|
|
|
|
#if SMC9000_DEBUG > 2
|
|
|
|
|
printf("Trying to xmit packet of length %hX\n", length );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* send the packet length ( +6 for status, length and ctl byte )
|
|
|
|
|
* and the status word ( set to zeros ) */
|
|
|
|
|
_outw(0, smc9000_base + DATA_1 );
|
|
|
|
|
|
|
|
|
|
/* send the packet length ( +6 for status words, length, and ctl) */
|
|
|
|
|
_outb((length+6) & 0xFF, smc9000_base + DATA_1);
|
|
|
|
|
_outb((length+6) >> 8 , smc9000_base + DATA_1);
|
|
|
|
|
|
|
|
|
|
/* Write the contents of the packet */
|
|
|
|
|
|
|
|
|
|
/* The ethernet header first... */
|
|
|
|
|
outsw(smc9000_base + DATA_1, d, ETH_ALEN >> 1);
|
|
|
|
|
outsw(smc9000_base + DATA_1, nic->node_addr, ETH_ALEN >> 1);
|
|
|
|
|
_outw(htons(t), smc9000_base + DATA_1);
|
|
|
|
|
|
|
|
|
|
/* ... the data ... */
|
|
|
|
|
outsw(smc9000_base + DATA_1 , p, s >> 1);
|
|
|
|
|
|
|
|
|
|
/* ... and the last byte, if there is one. */
|
|
|
|
|
if ((s & 1) == 0) {
|
|
|
|
|
_outw(0, smc9000_base + DATA_1);
|
|
|
|
|
} else {
|
|
|
|
|
_outb(p[s-1], smc9000_base + DATA_1);
|
|
|
|
|
_outb(0x20, smc9000_base + DATA_1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* and let the chipset deal with it */
|
|
|
|
|
_outw(MC_ENQUEUE , smc9000_base + MMU_CMD);
|
|
|
|
|
|
|
|
|
|
status = 0; time_out = currticks() + 5*TICKS_PER_SEC;
|
|
|
|
|
do {
|
|
|
|
|
status = inb(smc9000_base + INTERRUPT);
|
|
|
|
|
|
|
|
|
|
if ((status & IM_TX_INT ) != 0) {
|
|
|
|
|
word tx_status;
|
|
|
|
|
|
|
|
|
|
/* ack interrupt */
|
|
|
|
|
_outb(IM_TX_INT, smc9000_base + INTERRUPT);
|
|
|
|
|
|
|
|
|
|
packet_no = inw(smc9000_base + FIFO_PORTS);
|
|
|
|
|
packet_no &= 0x7F;
|
|
|
|
|
|
|
|
|
|
/* select this as the packet to read from */
|
|
|
|
|
_outb( packet_no, smc9000_base + PNR_ARR );
|
|
|
|
|
|
|
|
|
|
/* read the first word from this packet */
|
|
|
|
|
_outw( PTR_AUTOINC | PTR_READ, smc9000_base + POINTER );
|
|
|
|
|
|
|
|
|
|
tx_status = inw( smc9000_base + DATA_1 );
|
|
|
|
|
|
|
|
|
|
if (0 == (tx_status & TS_SUCCESS)) {
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
printf("SMC9000: TX FAIL STATUS: %hX \n", tx_status);
|
|
|
|
|
#endif
|
|
|
|
|
/* re-enable transmit */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 0);
|
|
|
|
|
_outw(inw(smc9000_base + TCR ) | TCR_ENABLE, smc9000_base + TCR );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* kill the packet */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 2);
|
|
|
|
|
_outw(MC_FREEPKT, smc9000_base + MMU_CMD);
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}while(currticks() < time_out);
|
|
|
|
|
|
|
|
|
|
printf("SMC9000: Waring TX timed out, resetting board\n");
|
|
|
|
|
smc_reset(smc9000_base);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
|
|
|
* ETH_POLL - Wait for a frame
|
|
|
|
|
***************************************************************************/
|
|
|
|
|
static int smc9000_poll(struct nic *nic, int retrieve)
|
|
|
|
|
{
|
|
|
|
|
if(!smc9000_base)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 2);
|
|
|
|
|
if (inw(smc9000_base + FIFO_PORTS) & FP_RXEMPTY)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
if ( ! retrieve ) return 1;
|
|
|
|
|
|
|
|
|
|
/* start reading from the start of the packet */
|
|
|
|
|
_outw(PTR_READ | PTR_RCV | PTR_AUTOINC, smc9000_base + POINTER);
|
|
|
|
|
|
|
|
|
|
/* First read the status and check that we're ok */
|
|
|
|
|
if (!(inw(smc9000_base + DATA_1) & RS_ERRORS)) {
|
|
|
|
|
/* Next: read the packet length and mask off the top bits */
|
|
|
|
|
nic->packetlen = (inw(smc9000_base + DATA_1) & 0x07ff);
|
|
|
|
|
|
|
|
|
|
/* the packet length includes the 3 extra words */
|
|
|
|
|
nic->packetlen -= 6;
|
|
|
|
|
#if SMC9000_DEBUG > 2
|
|
|
|
|
printf(" Reading %d words (and %d byte(s))\n",
|
|
|
|
|
(nic->packetlen >> 1), nic->packetlen & 1);
|
|
|
|
|
#endif
|
|
|
|
|
/* read the packet (and the last "extra" word) */
|
|
|
|
|
insw(smc9000_base + DATA_1, nic->packet, (nic->packetlen+2) >> 1);
|
|
|
|
|
/* is there an odd last byte ? */
|
|
|
|
|
if (nic->packet[nic->packetlen+1] & 0x20)
|
|
|
|
|
nic->packetlen++;
|
|
|
|
|
|
|
|
|
|
/* error or good, tell the card to get rid of this packet */
|
|
|
|
|
_outw(MC_RELEASE, smc9000_base + MMU_CMD);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
printf("SMC9000: RX error\n");
|
|
|
|
|
/* error or good, tell the card to get rid of this packet */
|
|
|
|
|
_outw(MC_RELEASE, smc9000_base + MMU_CMD);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-04-13 01:31:37 +02:00
|
|
|
|
static void smc9000_disable ( struct nic *nic __unused ) {
|
2005-03-08 19:53:11 +01:00
|
|
|
|
if(!smc9000_base)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
smc_reset(smc9000_base);
|
|
|
|
|
|
|
|
|
|
/* no more interrupts for me */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 2);
|
|
|
|
|
_outb( 0, smc9000_base + INT_MASK);
|
|
|
|
|
|
|
|
|
|
/* and tell the card to stay away from that nasty outside world */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 0);
|
|
|
|
|
_outb( RCR_CLEAR, smc9000_base + RCR );
|
|
|
|
|
_outb( TCR_CLEAR, smc9000_base + TCR );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void smc9000_irq(struct nic *nic __unused, irq_action_t action __unused)
|
|
|
|
|
{
|
|
|
|
|
switch ( action ) {
|
|
|
|
|
case DISABLE :
|
|
|
|
|
break;
|
|
|
|
|
case ENABLE :
|
|
|
|
|
break;
|
|
|
|
|
case FORCE :
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
|
|
|
* ETH_PROBE - Look for an adapter
|
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
|
|
static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
|
|
|
|
|
{
|
|
|
|
|
struct nic *nic = (struct nic *)dev;
|
|
|
|
|
unsigned short revision;
|
|
|
|
|
int memory;
|
|
|
|
|
int media;
|
|
|
|
|
const char * version_string;
|
|
|
|
|
const char * if_string;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* the SMC9000 can be at any of the following port addresses. To change,
|
|
|
|
|
* for a slightly different card, you can add it to the array. Keep in
|
|
|
|
|
* mind that the array must end in zero.
|
|
|
|
|
*/
|
|
|
|
|
static unsigned short portlist[] = {
|
|
|
|
|
#ifdef SMC9000_SCAN
|
|
|
|
|
SMC9000_SCAN,
|
|
|
|
|
#else
|
|
|
|
|
0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0,
|
|
|
|
|
0x300, 0x320, 0x340, 0x360, 0x380, 0x3A0, 0x3C0, 0x3E0,
|
|
|
|
|
#endif
|
|
|
|
|
0 };
|
|
|
|
|
|
|
|
|
|
/* if no addresses supplied, fall back on defaults */
|
|
|
|
|
if (probe_addrs == 0 || probe_addrs[0] == 0)
|
|
|
|
|
probe_addrs = portlist;
|
|
|
|
|
|
|
|
|
|
/* check every ethernet address */
|
|
|
|
|
for (i = 0; probe_addrs[i]; i++) {
|
|
|
|
|
/* check this specific address */
|
|
|
|
|
if (smc_probe(probe_addrs[i]) == 0)
|
|
|
|
|
smc9000_base = probe_addrs[i];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* couldn't find anything */
|
|
|
|
|
if(0 == smc9000_base)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
nic->irqno = 0;
|
|
|
|
|
nic->ioaddr = smc9000_base;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Get the MAC address ( bank 1, regs 4 - 9 )
|
|
|
|
|
*/
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 1);
|
|
|
|
|
for ( i = 0; i < 6; i += 2 ) {
|
|
|
|
|
word address;
|
|
|
|
|
|
|
|
|
|
address = inw(smc9000_base + ADDR0 + i);
|
|
|
|
|
nic->node_addr[i+1] = address >> 8;
|
|
|
|
|
nic->node_addr[i] = address & 0xFF;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* get the memory information */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 0);
|
|
|
|
|
memory = ( inw(smc9000_base + MCR) >> 9 ) & 0x7; /* multiplier */
|
|
|
|
|
memory *= 256 * (inw(smc9000_base + MIR) & 0xFF);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Now, I want to find out more about the chip. This is sort of
|
|
|
|
|
* redundant, but it's cleaner to have it in both, rather than having
|
|
|
|
|
* one VERY long probe procedure.
|
|
|
|
|
*/
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 3);
|
|
|
|
|
revision = inw(smc9000_base + REVISION);
|
|
|
|
|
version_string = chip_ids[(revision >> 4) & 0xF];
|
|
|
|
|
|
|
|
|
|
if (((revision & 0xF0) >> 4 == CHIP_9196) &&
|
|
|
|
|
((revision & 0x0F) >= REV_9196)) {
|
|
|
|
|
/* This is a 91c96. 'c96 has the same chip id as 'c94 (4) but
|
|
|
|
|
* a revision starting at 6 */
|
|
|
|
|
version_string = smc91c96_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( !version_string ) {
|
|
|
|
|
/* I shouldn't get here because this call was done before.... */
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* is it using AUI or 10BaseT ? */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 1);
|
|
|
|
|
if (inw(smc9000_base + CONFIG) & CFG_AUI_SELECT)
|
|
|
|
|
media = 2;
|
|
|
|
|
else
|
|
|
|
|
media = 1;
|
|
|
|
|
|
|
|
|
|
if_string = interfaces[media - 1];
|
|
|
|
|
|
|
|
|
|
/* now, reset the chip, and put it into a known state */
|
|
|
|
|
smc_reset(smc9000_base);
|
|
|
|
|
|
|
|
|
|
printf("SMC9000 %s\n", smc9000_version);
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
printf("Copyright (C) 1998 Daniel Engstr\x94m\n");
|
|
|
|
|
printf("Copyright (C) 1996 Eric Stahlman\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
printf("%s rev:%d I/O port:%hX Interface:%s RAM:%d bytes \n",
|
|
|
|
|
version_string, revision & 0xF,
|
|
|
|
|
smc9000_base, if_string, memory );
|
|
|
|
|
/*
|
|
|
|
|
* Print the Ethernet address
|
|
|
|
|
*/
|
|
|
|
|
printf("Ethernet MAC address: %!\n", nic->node_addr);
|
|
|
|
|
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 0);
|
|
|
|
|
|
|
|
|
|
/* see the header file for options in TCR/RCR NORMAL*/
|
|
|
|
|
_outw(TCR_NORMAL, smc9000_base + TCR);
|
|
|
|
|
_outw(RCR_NORMAL, smc9000_base + RCR);
|
|
|
|
|
|
|
|
|
|
/* Select which interface to use */
|
|
|
|
|
SMC_SELECT_BANK(smc9000_base, 1);
|
|
|
|
|
if ( media == 1 ) {
|
|
|
|
|
_outw( inw( smc9000_base + CONFIG ) & ~CFG_AUI_SELECT,
|
|
|
|
|
smc9000_base + CONFIG );
|
|
|
|
|
}
|
|
|
|
|
else if ( media == 2 ) {
|
|
|
|
|
_outw( inw( smc9000_base + CONFIG ) | CFG_AUI_SELECT,
|
|
|
|
|
smc9000_base + CONFIG );
|
|
|
|
|
}
|
2005-04-13 02:02:40 +02:00
|
|
|
|
static struct nic_operations smc9000_operations;
|
|
|
|
|
static struct nic_operations smc9000_operations = {
|
|
|
|
|
.connect = dummy_connect,
|
|
|
|
|
.poll = smc9000_poll,
|
|
|
|
|
.transmit = smc9000_transmit,
|
|
|
|
|
.irq = smc9000_irq,
|
|
|
|
|
.disable = smc9000_disable,
|
|
|
|
|
};
|
|
|
|
|
nic->nic_op = &smc9000_operations;
|
2005-03-08 19:53:11 +01:00
|
|
|
|
|
|
|
|
|
/* Based on PnP ISA map */
|
|
|
|
|
dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR);
|
|
|
|
|
dev->devid.device_id = htons(0x8228);
|
|
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
#ifdef SMC9000_VERBOSE
|
|
|
|
|
/* printf("No SMC9000 adapters found\n"); */
|
|
|
|
|
#endif
|
|
|
|
|
smc9000_base = 0;
|
|
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct isa_driver smc9000_driver __isa_driver = {
|
|
|
|
|
.type = NIC_DRIVER,
|
|
|
|
|
.name = "SMC9000",
|
|
|
|
|
.probe = smc9000_probe,
|
|
|
|
|
.ioaddrs = 0,
|
|
|
|
|
};
|
2005-04-08 17:01:17 +02:00
|
|
|
|
ISA_ROM("smc9000","SMC9000");
|