161 lines
4.6 KiB
C
161 lines
4.6 KiB
C
/* $NetBSD: femi.c,v 1.2 2002/08/26 10:43:44 scw Exp $ */
|
|
|
|
/*
|
|
* Copyright 2002 Wasabi Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Steve C. Woodford for Wasabi Systems, Inc.
|
|
*
|
|
* 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 for the NetBSD Project by
|
|
* Wasabi Systems, Inc.
|
|
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* SH-5 FEMI Bus Attachment Glue
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/cpu.h>
|
|
#include <machine/bus.h>
|
|
|
|
#include <sh5/dev/superhywayvar.h>
|
|
#include <sh5/dev/femivar.h>
|
|
|
|
#include "locators.h"
|
|
|
|
static int femimatch(struct device *, struct cfdata *, void *);
|
|
static void femiattach(struct device *, struct device *, void *);
|
|
static int femiprint(void *, const char *);
|
|
static int femisubmatch(struct device *, struct cfdata *, void *);
|
|
|
|
struct femi_softc {
|
|
struct device sc_dev;
|
|
bus_space_tag_t sc_bust;
|
|
bus_dma_tag_t sc_dmat;
|
|
bus_addr_t sc_base;
|
|
bus_addr_t sc_top;
|
|
};
|
|
|
|
struct cfattach femi_ca = {
|
|
sizeof(struct femi_softc), femimatch, femiattach
|
|
};
|
|
extern struct cfdriver femi_cd;
|
|
|
|
|
|
#define FEMI_MODULE_ID 0x2185
|
|
|
|
|
|
/*ARGSUSED*/
|
|
static int
|
|
femimatch(struct device *parent, struct cfdata *cf, void *args)
|
|
{
|
|
struct superhyway_attach_args *sa = args;
|
|
bus_space_handle_t bh;
|
|
u_int64_t vcr;
|
|
|
|
if (strcmp(sa->sa_name, femi_cd.cd_name))
|
|
return (0);
|
|
|
|
sa->sa_pport = 0;
|
|
|
|
bus_space_map(sa->sa_bust,
|
|
SUPERHYWAY_PPORT_TO_BUSADDR(cf->cf_loc[SUPERHYWAYCF_PPORT]),
|
|
SUPERHYWAY_REG_SZ, 0, &bh);
|
|
vcr = bus_space_read_8(sa->sa_bust, bh, SUPERHYWAY_REG_VCR);
|
|
bus_space_unmap(sa->sa_bust, bh, SUPERHYWAY_REG_SZ);
|
|
|
|
if (SUPERHYWAY_VCR_MOD_ID(vcr) != FEMI_MODULE_ID)
|
|
return (0);
|
|
|
|
sa->sa_pport = cf->cf_loc[SUPERHYWAYCF_PPORT];
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
femiattach(struct device *parent, struct device *self, void *args)
|
|
{
|
|
struct superhyway_attach_args *sa = args;
|
|
struct femi_softc *sc = (struct femi_softc *)self;
|
|
bus_space_handle_t bh;
|
|
u_int64_t vcr;
|
|
|
|
bus_space_map(sa->sa_bust, SUPERHYWAY_PPORT_TO_BUSADDR(sa->sa_pport),
|
|
SUPERHYWAY_REG_SZ, 0, &bh);
|
|
vcr = bus_space_read_8(sa->sa_bust, bh, SUPERHYWAY_REG_VCR);
|
|
bus_space_unmap(sa->sa_bust, bh, SUPERHYWAY_REG_SZ);
|
|
|
|
sc->sc_bust = sa->sa_bust;
|
|
sc->sc_dmat = sa->sa_dmat;
|
|
sc->sc_base = 0;
|
|
sc->sc_top = 0x08000000;
|
|
|
|
printf(": Flash/External Memory Interface, Version 0x%x\n",
|
|
(int)SUPERHYWAY_VCR_MOD_VERS(vcr));
|
|
|
|
printf("%s: Base Address: 0x%lx, Length: 0x%lx\n",
|
|
sc->sc_dev.dv_xname, sc->sc_base, sc->sc_top - sc->sc_base);
|
|
|
|
config_search(femisubmatch, self, NULL);
|
|
}
|
|
|
|
static int
|
|
femiprint(void *arg, const char *cp)
|
|
{
|
|
struct femi_attach_args *fa = arg;
|
|
|
|
printf(" offset 0x%lx", fa->fa_offset - fa->_fa_base);
|
|
|
|
return (UNCONF);
|
|
}
|
|
|
|
static int
|
|
femisubmatch(struct device *dev, struct cfdata *cf, void *arg)
|
|
{
|
|
struct femi_softc *sc = (struct femi_softc *) dev;
|
|
struct femi_attach_args fa;
|
|
|
|
fa.fa_bust = sc->sc_bust;
|
|
fa.fa_dmat = sc->sc_dmat;
|
|
fa.fa_offset = (bus_addr_t) cf->cf_loc[FEMICF_OFFSET];
|
|
fa.fa_offset += sc->sc_base;
|
|
fa._fa_base = sc->sc_base;
|
|
|
|
if ((cf->cf_attach->ca_match)(dev, cf, &fa)) {
|
|
config_attach(dev, cf, &fa, femiprint);
|
|
return (1);
|
|
}
|
|
|
|
return (0);
|
|
}
|