NetBSD/sys/arch/next68k/dev/if_xe.c

187 lines
5.5 KiB
C

/* $NetBSD: if_xe.c,v 1.3 1999/02/13 09:44:50 dbj Exp $ */
/*
* Copyright (c) 1998 Darrin B. Jewell
* 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.
* 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 Darrin B. Jewell
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include "opt_inet.h"
#include "bpfilter.h"
#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>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <next68k/next68k/isr.h>
#include <next68k/dev/mb8795reg.h>
#include <next68k/dev/mb8795var.h>
#include <next68k/dev/nextdmareg.h>
#include <next68k/dev/nextdmavar.h>
#include <next68k/dev/if_xevar.h>
int xe_match __P((struct device *, struct cfdata *, void *));
void xe_attach __P((struct device *, struct device *, void *));
int xe_tint __P((void *));
int xe_rint __P((void *));
struct cfattach xe_ca = {
sizeof(struct xe_softc), xe_match, xe_attach
};
int
xe_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
/* should probably probe here */
/* Should also probably set up data from config */
return (1);
}
void
xe_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct xe_softc *xe_sc = (struct xe_softc *)self;
struct mb8795_softc *sc = &xe_sc->sc_mb8795;
{
extern u_char rom_enetaddr[6]; /* kludge from machdep.c:next68k_bootargs() */
int i;
for(i=0;i<6;i++) {
sc->sc_enaddr[i] = rom_enetaddr[i];
}
}
printf("\n%s at MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
sc->sc_dev.dv_xname,
sc->sc_enaddr[0],sc->sc_enaddr[1],sc->sc_enaddr[2],
sc->sc_enaddr[3],sc->sc_enaddr[4],sc->sc_enaddr[5]);
/* @@@ This setup is really ugly. Instead, we should be attaching
* the DMA controller all by itself and glue things together
* with config.
* Darrin B. Jewell <dbj@netbsd.org> Sat May 16 16:04:34 1998
*/
sc->sc_bst = NEXT68K_INTIO_BUS_SPACE;
if (bus_space_map(sc->sc_bst, NEXT_P_ENET,
sizeof(struct xe_regs), 0, &sc->sc_bsh)) {
printf("\n%s: can't map mb8795 registers\n",
sc->sc_dev.dv_xname);
return;
}
/* initialize rx and tx dma channels */
xe_sc->sc_rxdma.nd_bst = NEXT68K_INTIO_BUS_SPACE;
if (bus_space_map(xe_sc->sc_rxdma.nd_bst, NEXT_P_ENETR_CSR,
sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_rxdma.nd_bsh)) {
printf("\n%s: can't map ethernet receive DMA registers\n",
sc->sc_dev.dv_xname);
return;
}
xe_sc->sc_rxdma.nd_intr = NEXT_I_ENETR_DMA;
xe_sc->sc_rxdma.nd_continue_cb = NULL;
xe_sc->sc_rxdma.nd_completed_cb = NULL;
xe_sc->sc_rxdma.nd_cb_arg = NULL;
sc->sc_rx_dmat = &(xe_sc->sc_rxdma._nd_dmat);
sc->sc_rx_nd = &(xe_sc->sc_rxdma);
nextdma_config(sc->sc_rx_nd);
xe_sc->sc_txdma.nd_bst = NEXT68K_INTIO_BUS_SPACE;
if (bus_space_map(xe_sc->sc_txdma.nd_bst, NEXT_P_ENETX_CSR,
sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_txdma.nd_bsh)) {
printf("\n%s: can't map ethernet transmit DMA registers\n",
sc->sc_dev.dv_xname);
return;
}
xe_sc->sc_txdma.nd_intr = NEXT_I_ENETX_DMA;
xe_sc->sc_txdma.nd_continue_cb = NULL;
xe_sc->sc_txdma.nd_completed_cb = NULL;
xe_sc->sc_txdma.nd_cb_arg = NULL;
sc->sc_tx_dmat = &(xe_sc->sc_txdma._nd_dmat);
sc->sc_tx_nd = &(xe_sc->sc_txdma);
nextdma_config(sc->sc_tx_nd);
mb8795_config(sc);
isrlink_autovec(xe_tint, sc, NEXT_I_IPL(NEXT_I_ENETX), 1);
INTR_ENABLE(NEXT_I_ENETX);
isrlink_autovec(xe_rint, sc, NEXT_I_IPL(NEXT_I_ENETR), 1);
INTR_ENABLE(NEXT_I_ENETR);
{
extern struct device *booted_device;
booted_device = &(sc->sc_dev);
}
}
int
xe_tint(arg)
void *arg;
{
if (!INTR_OCCURRED(NEXT_I_ENETX)) return 0;
mb8795_tint((struct mb8795_softc *)arg);
return(1);
}
int
xe_rint(arg)
void *arg;
{
if (!INTR_OCCURRED(NEXT_I_ENETR)) return(0);
mb8795_rint((struct mb8795_softc *)arg);
return(1);
}