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/* $OpenBSD: if_le.c,v 1.5 2008/06/26 05:42:11 ray Exp $ */
/* $NetBSD: if_le.c,v 1.33 1996/11/20 18:56:52 gwr Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Adam Glass and Gordon W. Ross.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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.
*/
/* based on OpenBSD: sys/arch/sun3/dev/if_le.c */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <net/if_media.h>
#include <machine/autoconf.h>
#include <machine/board.h>
#include <machine/cpu.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <luna88k/luna88k/isr.h>
/*
* LANCE registers.
* The real stuff is in dev/ic/am7990reg.h
*/
struct lereg1 {
volatile u_int16_t ler1_rdp; /* data port */
volatile unsigned : 16 ; /* LUNA-88K2 has a 16 bit gap */
volatile u_int16_t ler1_rap; /* register select port */
};
/*
* Ethernet software status per interface.
* The real stuff is in dev/ic/am7990var.h
*/
struct le_softc {
struct am7990_softc sc_am7990; /* glue to MI code */
struct lereg1 *sc_r1; /* LANCE registers */
};
static int le_match(struct device *, void *, void *);
static void le_attach(struct device *, struct device *, void *);
struct cfattach le_ca = {
sizeof(struct le_softc), le_match, le_attach
};
hide void lewrcsr(struct am7990_softc *, u_int16_t, u_int16_t);
hide u_int16_t lerdcsr(struct am7990_softc *, u_int16_t);
hide void myetheraddr(u_int8_t *);
hide void
lewrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
}
hide u_int16_t
lerdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
return (val);
}
static int
le_match(parent, cf, aux)
struct device *parent;
void *cf, *aux;
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, le_cd.cd_name))
return (0);
return (1);
}
void
le_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct le_softc *lesc = (struct le_softc *)self;
struct am7990_softc *sc = &lesc->sc_am7990;
struct mainbus_attach_args *ma = aux;
lesc->sc_r1 = (struct lereg1 *)ma->ma_addr; /* LANCE */
sc->sc_mem = (void *)0x71000000; /* 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_arpcom.ac_enaddr);
sc->sc_copytodesc = am7990_copytobuf_contig;
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
sc->sc_copytobuf = am7990_copytobuf_contig;
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
sc->sc_zerobuf = am7990_zerobuf_contig;
sc->sc_rdcsr = lerdcsr;
sc->sc_wrcsr = lewrcsr;
sc->sc_hwreset = NULL;
sc->sc_hwinit = NULL;
am7990_config(sc);
isrlink_autovec(am7990_intr, (void *)sc, ma->ma_ilvl, ISRPRI_NET,
self->dv_xname);
}
/*
* Partially taken from NetBSD/luna68k
*
* LUNA-88K has FUSE ROM, which contains MAC address. The FUSE ROM
* contents are stored in fuse_rom_data[] during cpu_startup().
*
* LUNA-88K2 has 16Kbit NVSRAM on its ethercard, whose contents are
* accessible 4bit-wise by ctl register operation. The register is
* mapped at 0xF1000008.
*/
extern int machtype;
extern char fuse_rom_data[];
hide void
myetheraddr(ether)
u_int8_t *ether;
{
unsigned i, loc;
volatile struct { u_int32_t ctl; } *ds1220;
switch (machtype) {
case LUNA_88K:
/*
* fuse_rom_data[] begins with "ENADDR=00000Axxxxxx"
*/
loc = 7;
for (i = 0; i < 6; i++) {
int u, l;
u = fuse_rom_data[loc];
u = (u < 'A') ? u & 0xf : u - 'A' + 10;
l = fuse_rom_data[loc + 1];
l = (l < 'A') ? l & 0xf : l - 'A' + 10;
ether[i] = l | (u << 4);
loc += 2;
}
break;
case LUNA_88K2:
ds1220 = (void *)0xF1000008;
loc = 12;
for (i = 0; i < 6; i++) {
unsigned 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;
}
}
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