NetBSD-5.0.2/sys/arch/luna68k/dev/if_le.c
/* $NetBSD: if_le.c,v 1.5 2008/04/04 12:25:06 tsutsui Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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.
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.5 2008/04/04 12:25:06 tsutsui Exp $");
#include "opt_inet.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <luna68k/luna68k/isr.h>
#include <dev/ic/lancereg.h>
#include <dev/ic/lancevar.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include "ioconf.h"
/*
* LANCE registers.
*/
struct lereg1 {
volatile uint16_t ler1_rdp; /* data port */
volatile uint16_t ler1_rap; /* register select port */
};
/*
* Ethernet software status per interface.
*
* Each interface is referenced by a network interface structure,
* arpcom.ac_if, which the routing code uses to locate the interface.
* This structure contains the output queue for the interface, its address, ...
*/
struct le_softc {
struct am7990_softc sc_am7990; /* glue to MI code */
struct lereg1 *sc_r1; /* LANCE registers */
};
static int le_match(device_t, cfdata_t, void *);
static void le_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(le, sizeof(struct le_softc),
le_match, le_attach, NULL, NULL);
static void lesrcsr(struct lance_softc *, uint16_t, uint16_t);
static uint16_t lerdcsr(struct lance_softc *, uint16_t);
static void myetheraddr(uint8_t *);
static void
lesrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
{
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
}
static uint16_t
lerdcsr(struct lance_softc *sc, uint16_t port)
{
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
uint16_t val;
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
return (val);
}
static int
le_match(device_t parent, cfdata_t cf, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, le_cd.cd_name))
return (0);
return (1);
}
void
le_attach(device_t parent, device_t self, void *aux)
{
struct le_softc *lesc = device_private(self);
struct lance_softc *sc = &lesc->sc_am7990.lsc;
struct mainbus_attach_args *ma = aux;
sc->sc_dev = self;
/* Map control registers. */
lesc->sc_r1 = (struct lereg1 *)ma->ma_addr; /* LANCE */
sc->sc_mem = (void *)0x71010000; /* SRAM */
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = (u_long)sc->sc_mem & 0xffffff;
sc->sc_memsize = 64 * 1024; /* 64KB */
myetheraddr(sc->sc_enaddr);
sc->sc_copytodesc = lance_copytobuf_contig;
sc->sc_copyfromdesc = lance_copyfrombuf_contig;
sc->sc_copytobuf = lance_copytobuf_contig;
sc->sc_copyfrombuf = lance_copyfrombuf_contig;
sc->sc_zerobuf = lance_zerobuf_contig;
sc->sc_rdcsr = lerdcsr;
sc->sc_wrcsr = lesrcsr;
sc->sc_hwinit = NULL;
am7990_config(&lesc->sc_am7990);
isrlink_autovec(am7990_intr, (void *)sc, ma->ma_ilvl, ISRPRI_NET);
}
/*
* LUNA-I has 1Mbit CPU ROM, which contains MAC address directly
* readable at 0x4100FFE0 as a sequence of 12 ASCII characters.
*
* LUNA-II has 16Kbit NVSRAM on its ethercard, whose contents are
* accessible 4bit-wise by ctl register operation. The register is
* mapped at 0xF1000004.
*/
void
myetheraddr(uint8_t *ether)
{
unsigned int i, loc;
uint8_t *ea;
volatile struct { uint32_t ctl; } *ds1220;
switch (machtype) {
case LUNA_I:
ea = (uint8_t *)0x4101FFE0;
for (i = 0; i < ETHER_ADDR_LEN; i++) {
int u, l;
u = ea[0];
u = (u < 'A') ? u & 0xf : u - 'A' + 10;
l = ea[1];
l = (l < 'A') ? l & 0xf : l - 'A' + 10;
ether[i] = l | (u << 4);
ea += 2;
}
break;
case LUNA_II:
ds1220 = (void *)0xF1000004;
loc = 12;
for (i = 0; i < ETHER_ADDR_LEN; i++) {
unsigned int u, l, hex;
ds1220->ctl = (loc) << 16;
u = 0xf0 & (ds1220->ctl >> 12);
ds1220->ctl = (loc + 1) << 16;
l = 0x0f & (ds1220->ctl >> 16);
hex = (u < '9') ? l : l + 9;
ds1220->ctl = (loc + 2) << 16;
u = 0xf0 & (ds1220->ctl >> 12);
ds1220->ctl = (loc + 3) << 16;
l = 0x0f & (ds1220->ctl >> 16);
ether[i] = ((u < '9') ? l : l + 9) | (hex << 4);
loc += 4;
}
break;
default:
ether[0] = 0x00; ether[1] = 0x00; ether[2] = 0x0a;
ether[3] = 0xDE; ether[4] = 0xAD; ether[5] = 0x00;
break;
}
}