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/*-
* Copyright (c) 2000
* Paul Richards. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name Paul Richards may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifdef PC98
#include "lnc.h"
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <machine/clock.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <i386/isa/isa_device.h>
#include <dev/lnc/if_lncvar.h>
#include <dev/lnc/if_lncreg.h>
int pcnet_probe __P((struct lnc_softc *sc));
static int cnet98s_probe __P((struct lnc_softc *sc, unsigned iobase));
/* C-NET(98)S port addresses */
#define CNET98S_RDP 0x400 /* Register Data Port */
#define CNET98S_RAP 0x402 /* Register Address Port */
#define CNET98S_RESET 0x404
#define CNET98S_IDP 0x406
#define CNET98S_EEPROM 0x40e
/*
* XXX - The I/O address range is fragmented in the C-NET(98)S.
* This is the number of regs at iobase.
*/
#define CNET98S_IOSIZE 16 /* # of i/o addresses used. */
/* ISA Bus Configuration Registers */
/* XXX - Should be in ic/Am7990.h */
#define MSRDA 0x0000 /* ISACSR0: Master Mode Read Activity */
#define MSWRA 0x0001 /* ISACSR1: Master Mode Write Activity */
#define MC 0x0002 /* ISACSR2: Miscellaneous Configuration */
#define LED1 0x0005 /* ISACSR5: LED1 Status */
#define LED2 0x0006 /* ISACSR6: LED2 Status */
#define LED3 0x0007 /* ISACSR7: LED3 Status */
#define LED_PSE 0x0080 /* Pulse Stretcher */
#define LED_XMTE 0x0010 /* Transmit Status */
#define LED_RVPOLE 0x0008 /* Receive Polarity */
#define LED_RCVE 0x0004 /* Receive Status */
#define LED_JABE 0x0002 /* Jabber */
#define LED_COLE 0x0001 /* Collision */
static int
cnet98s_probe(struct lnc_softc *sc, unsigned iobase)
{
int i;
ushort tmp;
sc->rap = iobase + CNET98S_RAP;
sc->rdp = iobase + CNET98S_RDP;
/* Reset */
tmp = inw(iobase + CNET98S_RESET);
outw(iobase + CNET98S_RESET, tmp);
DELAY(500);
sc->nic.ic = pcnet_probe(sc);
if ((sc->nic.ic == UNKNOWN) || (sc->nic.ic > PCnet_32)) {
return (0);
}
sc->nic.ident = CNET98S;
sc->nic.mem_mode = DMA_FIXED;
/* XXX - For now just use the defines */
sc->nrdre = NRDRE;
sc->ntdre = NTDRE;
/* Extract MAC address from PROM */
for (i = 0; i < ETHER_ADDR_LEN; i++) {
sc->arpcom.ac_enaddr[i] = inb(iobase + (i * 2));
}
/*
* ISA Configuration
*
* XXX - Following parameters are Contec C-NET(98)S only.
* So, check the Ethernet address here.
*
* Contec uses 00 80 4c ?? ?? ??
*/
if (sc->arpcom.ac_enaddr[0] == (u_char)0x00
&& sc->arpcom.ac_enaddr[1] == (u_char)0x80
&& sc->arpcom.ac_enaddr[2] == (u_char)0x4c) {
outw(sc->rap, MSRDA);
outw(iobase + CNET98S_IDP, 0x0006);
outw(sc->rap, MSWRA);
outw(iobase + CNET98S_IDP, 0x0006);
#ifdef DIAGNOSTIC
outw(sc->rap, MC);
printf("ISACSR2 = %x\n", inw(iobase + CNET98S_IDP));
#endif
outw(sc->rap, LED1);
outw(iobase + CNET98S_IDP, LED_PSE | LED_XMTE);
outw(sc->rap, LED2);
outw(iobase + CNET98S_IDP, LED_PSE | LED_RCVE);
outw(sc->rap, LED3);
outw(iobase + CNET98S_IDP, LED_PSE | LED_COLE);
}
return (CNET98S_IOSIZE);
}
#endif
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