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NetBSD/sys/arch/prep/pnpbus/if_we_pnpbus.c

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/* $NetBSD: if_we_pnpbus.c,v 1.5 2009/03/14 21:04:14 dsl Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 FOUNDATION 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.
*/
/*
* Device driver for National Semiconductor DS8390/WD83C690 based ethernet
* adapters.
*
* Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved.
*
* Copyright (C) 1993, David Greenman. This software may be used, modified,
* copied, distributed, and sold, in both source and binary form provided that
* the above copyright and these terms are retained. Under no circumstances is
* the author responsible for the proper functioning of this software, nor does
* the author assume any responsibility for damages incurred with its use.
*/
/*
* Device driver for the Western Digital/SMC 8003 and 8013 series,
* and the SMC Elite Ultra (8216).
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_we_pnpbus.c,v 1.5 2009/03/14 21:04:14 dsl Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/bswap.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/isa_machdep.h>
#include <machine/residual.h>
#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>
#include <dev/ic/wereg.h>
#include <dev/ic/wevar.h>
#include <prep/pnpbus/pnpbusvar.h>
int we_pnpbus_probe(struct device *, struct cfdata *, void *);
void we_pnpbus_attach(struct device *, struct device *, void *);
CFATTACH_DECL(we_pnpbus, sizeof(struct we_softc),
we_pnpbus_probe, we_pnpbus_attach, NULL, NULL);
extern struct cfdriver we_cd;
static const char *we_params(bus_space_tag_t, bus_space_handle_t,
u_int8_t *, bus_size_t *, u_int8_t *, int *);
#define WE_DEFAULT_IOMEM 0xe4000
/*
* Delay needed when switching 16-bit access to shared memory.
*/
#define WE_DELAY(wsc) delay(3)
/*
* Enable card RAM, and 16-bit access.
*/
#define WE_MEM_ENABLE(wsc) \
do { \
if ((wsc)->sc_16bitp) \
bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
WE_LAAR, (wsc)->sc_laar_proto | WE_LAAR_M16EN); \
bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
WE_MSR, wsc->sc_msr_proto | WE_MSR_MENB); \
WE_DELAY((wsc)); \
} while (0)
/*
* Disable card RAM, and 16-bit access.
*/
#define WE_MEM_DISABLE(wsc) \
do { \
bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
WE_MSR, (wsc)->sc_msr_proto); \
if ((wsc)->sc_16bitp) \
bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
WE_LAAR, (wsc)->sc_laar_proto); \
WE_DELAY((wsc)); \
} while (0)
int
we_pnpbus_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct pnpbus_dev_attach_args *pna = aux;
int ret = 0;
if (strcmp(pna->pna_devid, "IBM2001") == 0)
ret = 1;
if (strcmp(pna->pna_devid, "IBM0010") == 0)
ret = 1;
if (ret)
pnpbus_scan(pna, pna->pna_ppc_dev);
return ret;
}
void
we_pnpbus_attach(struct device *parent, struct device *self, void *aux)
{
struct we_softc *wsc = (struct we_softc *)self;
struct dp8390_softc *sc = &wsc->sc_dp8390;
struct pnpbus_dev_attach_args *pna = aux;
struct pnpbus_irq *irq;
bus_space_tag_t nict, asict, memt;
bus_space_handle_t nich, asich, memh;
bus_size_t memsize = 0x4000;
const char *typestr;
int memfound = 0, i, irqnum;
nict = asict = pna->pna_iot;
memt = pna->pna_memt;
aprint_normal("\n");
if (pnpbus_io_map(&pna->pna_res, 0, &asict, &asich)) {
aprint_error("%s: can't map nic i/o space\n",
device_xname(self));
return;
}
if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS,
&nich)) {
aprint_error("%s: can't subregion i/o space\n",
device_xname(self));
return;
}
typestr = we_params(asict, asich, &wsc->sc_type, &memsize,
&wsc->sc_flags, &sc->is790);
if (typestr == NULL) {
aprint_error("%s: where did the card go?\n",
device_xname(self));
return;
}
/*
* Map memory space. See if any was allocated via PNP, if not, use
* the default.
*/
if (pnpbus_iomem_map(&pna->pna_res, 0, &memt, &memh) == 0)
memfound = 1;
else if (bus_space_map(memt, WE_DEFAULT_IOMEM, memsize, 0, &memh)) {
aprint_error("%s: can't map shared memory\n",
device_xname(self));
return;
}
wsc->sc_asict = asict;
wsc->sc_asich = asich;
sc->sc_regt = nict;
sc->sc_regh = nich;
sc->sc_buft = memt;
sc->sc_bufh = memh;
if (memfound)
pnpbus_getiomem(&pna->pna_res, 0, &wsc->sc_maddr,
&sc->mem_size);
else {
wsc->sc_maddr = WE_DEFAULT_IOMEM;
sc->mem_size = memsize;
}
/* Interface is always enabled. */
sc->sc_enabled = 1;
if (we_config(self, wsc, typestr))
return;
/*
* Enable the configured interrupt.
*/
#if 0
if (sc->is790)
bus_space_write_1(asict, asich, WE790_ICR,
bus_space_read_1(asict, asich, WE790_ICR) |
WE790_ICR_EIL);
else if (wsc->sc_type & WE_SOFTCONFIG)
bus_space_write_1(asict, asich, WE_IRR,
bus_space_read_1(asict, asich, WE_IRR) | WE_IRR_IEN);
#endif
/*
* Establish interrupt handler.
* Loop through all probed IRQs until one looks sane.
*/
for (i = 0, irq = SIMPLEQ_FIRST(&pna->pna_res.irq);
i < pna->pna_res.numirq; i++, irq = SIMPLEQ_NEXT(irq, next)) {
irqnum = ffs(irq->mask) - 1;
/* some cards think they are level. force them to edge */
if (irq->flags & 0x0c)
irq->flags = 0x01;
if (!LEGAL_IRQ(irqnum))
continue;
if (irqnum < 2)
continue;
break;
}
wsc->sc_ih = pnpbus_intr_establish(i, IPL_NET, IST_PNP, dp8390_intr, sc,
&pna->pna_res);
if (wsc->sc_ih == NULL)
aprint_error("%s: can't establish interrupt\n",
device_xname(self));
}
static const char *
we_params(bus_space_tag_t asict, bus_space_handle_t asich, u_int8_t *typep, bus_size_t *memsizep, u_int8_t *flagp, int *is790p)
{
const char *typestr;
bus_size_t memsize;
int is16bit, is790;
u_int8_t type;
memsize = 8192;
is16bit = is790 = 0;
type = bus_space_read_1(asict, asich, WE_CARD_ID);
switch (type) {
case WE_TYPE_WD8003S:
typestr = "WD8003S";
break;
case WE_TYPE_WD8003E:
typestr = "WD8003E";
break;
case WE_TYPE_WD8003EB:
typestr = "WD8003EB";
break;
case WE_TYPE_WD8003W:
typestr = "WD8003W";
break;
case WE_TYPE_WD8013EBT:
typestr = "WD8013EBT";
memsize = 16384;
is16bit = 1;
break;
case WE_TYPE_WD8013W:
typestr = "WD8013W";
memsize = 16384;
is16bit = 1;
break;
case WE_TYPE_WD8013EP: /* also WD8003EP */
if (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) {
is16bit = 1;
memsize = 16384;
typestr = "WD8013EP";
} else
typestr = "WD8003EP";
break;
case WE_TYPE_WD8013WC:
typestr = "WD8013WC";
memsize = 16384;
is16bit = 1;
break;
case WE_TYPE_WD8013EBP:
typestr = "WD8013EBP";
memsize = 16384;
is16bit = 1;
break;
case WE_TYPE_WD8013EPC:
typestr = "WD8013EPC";
memsize = 16384;
is16bit = 1;
break;
case WE_TYPE_SMC8216C:
case WE_TYPE_SMC8216T:
{
u_int8_t hwr;
typestr = (type == WE_TYPE_SMC8216C) ?
"SMC8216/SMC8216C" : "SMC8216T";
hwr = bus_space_read_1(asict, asich, WE790_HWR);
bus_space_write_1(asict, asich, WE790_HWR,
hwr | WE790_HWR_SWH);
switch (bus_space_read_1(asict, asich, WE790_RAR) &
WE790_RAR_SZ64) {
case WE790_RAR_SZ64:
memsize = 65536;
break;
case WE790_RAR_SZ32:
memsize = 32768;
break;
case WE790_RAR_SZ16:
memsize = 16384;
break;
case WE790_RAR_SZ8:
/* 8216 has 16K shared mem -- 8416 has 8K */
typestr = (type == WE_TYPE_SMC8216C) ?
"SMC8416C/SMC8416BT" : "SMC8416T";
memsize = 8192;
break;
}
bus_space_write_1(asict, asich, WE790_HWR, hwr);
is16bit = 1;
is790 = 1;
break;
}
#ifdef TOSH_ETHER
case WE_TYPE_TOSHIBA1:
typestr = "Toshiba1";
memsize = 32768;
is16bit = 1;
break;
case WE_TYPE_TOSHIBA4:
typestr = "Toshiba4";
memsize = 32768;
is16bit = 1;
break;
#endif
default:
/* Not one we recognize. */
return (NULL);
}
/*
* Make some adjustments to initial values depending on what is
* found in the ICR.
*/
if (is16bit && (type != WE_TYPE_WD8013EBT) &&
#ifdef TOSH_ETHER
(type != WE_TYPE_TOSHIBA1 && type != WE_TYPE_TOSHIBA4) &&
#endif
(bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) == 0) {
is16bit = 0;
memsize = 8192;
}
#ifdef WE_DEBUG
{
int i;
aprint_debug("we_params: type = 0x%x, typestr = %s,"
" is16bit = %d, memsize = %d\n", type, typestr, is16bit,
memsize);
for (i = 0; i < 8; i++)
aprint_debug(" %d -> 0x%x\n", i,
bus_space_read_1(asict, asich, i));
}
#endif
if (typep != NULL)
*typep = type;
if (memsizep != NULL)
*memsizep = memsize;
if (flagp != NULL && is16bit)
*flagp |= WE_16BIT_ENABLE;
if (is790p != NULL)
*is790p = is790;
return (typestr);
}
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