153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
/* $NetBSD: if_mtd_pci.c,v 1.9 2006/11/16 01:33:09 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Peter Bex <Peter.Bex@student.kun.nl>.
|
|
*
|
|
* 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 NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation 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 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.
|
|
*/
|
|
|
|
/*
|
|
* PCI interface for MTD803 cards
|
|
* Written by Peter Bex (peter.bex@student.kun.nl)
|
|
*/
|
|
|
|
/* TODO: Check why in IO space, the MII won't work. Memory mapped works */
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: if_mtd_pci.c,v 1.9 2006/11/16 01:33:09 christos Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/device.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
#include <net/if_ether.h>
|
|
#include <net/if_media.h>
|
|
#include <machine/bus.h>
|
|
#include <dev/mii/miivar.h>
|
|
#include <dev/ic/mtd803reg.h>
|
|
#include <dev/ic/mtd803var.h>
|
|
#include <dev/pci/pcidevs.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
|
|
#define PCI_IO_MAP_REG 0x10
|
|
#define PCI_MEM_MAP_REG 0x14
|
|
|
|
struct mtd_pci_device_id {
|
|
pci_vendor_id_t vendor; /* PCI vendor ID */
|
|
pci_product_id_t product; /* PCI product ID */
|
|
};
|
|
|
|
static struct mtd_pci_device_id mtd_ids[] = {
|
|
{ PCI_VENDOR_MYSON, PCI_PRODUCT_MYSON_MTD803 },
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static int mtd_pci_match(struct device *, struct cfdata *, void *);
|
|
static void mtd_pci_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(mtd_pci, sizeof(struct mtd_softc), mtd_pci_match, mtd_pci_attach,
|
|
NULL, NULL);
|
|
|
|
static int
|
|
mtd_pci_match(struct device *parent, struct cfdata *match,
|
|
void *aux)
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
struct mtd_pci_device_id *id;
|
|
|
|
for (id = mtd_ids; id->vendor != 0; ++id) {
|
|
if (PCI_VENDOR(pa->pa_id) == id->vendor &&
|
|
PCI_PRODUCT(pa->pa_id) == id->product)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
mtd_pci_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct pci_attach_args * const pa = aux;
|
|
struct mtd_softc * const sc = (void *)self;
|
|
pci_intr_handle_t ih;
|
|
const char *intrstring = NULL;
|
|
bus_space_tag_t iot, memt;
|
|
bus_space_handle_t ioh, memh;
|
|
int io_valid, mem_valid;
|
|
char devinfo[256];
|
|
|
|
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
|
|
printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
|
|
|
|
io_valid = (pci_mapreg_map(pa, PCI_IO_MAP_REG, PCI_MAPREG_TYPE_IO,
|
|
0, &iot, &ioh, NULL, NULL) == 0);
|
|
mem_valid = (pci_mapreg_map(pa, PCI_MEM_MAP_REG, PCI_MAPREG_TYPE_MEM
|
|
| PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh,
|
|
NULL, NULL) == 0);
|
|
|
|
if (mem_valid) {
|
|
sc->bus_tag = memt;
|
|
sc->bus_handle = memh;
|
|
} else if (io_valid) {
|
|
sc->bus_tag = iot;
|
|
sc->bus_handle = ioh;
|
|
} else {
|
|
printf("%s: could not map memory or i/o space\n",
|
|
sc->dev.dv_xname);
|
|
return;
|
|
}
|
|
sc->dma_tag = pa->pa_dmat;
|
|
|
|
/* Do generic attach. Seems this must be done before setting IRQ */
|
|
mtd_config(sc);
|
|
|
|
if (pci_intr_map(pa, &ih)) {
|
|
printf("%s: could not map interrupt\n", sc->dev.dv_xname);
|
|
return;
|
|
}
|
|
intrstring = pci_intr_string(pa->pa_pc, ih);
|
|
|
|
if (pci_intr_establish(pa->pa_pc, ih, IPL_NET, mtd_irq_h, sc) == NULL) {
|
|
printf("%s: could not establish interrupt", sc->dev.dv_xname);
|
|
if (intrstring != NULL)
|
|
printf(" at %s", intrstring);
|
|
printf("\n");
|
|
return;
|
|
} else {
|
|
printf("%s: using %s for interrupt\n",
|
|
sc->dev.dv_xname,
|
|
intrstring ? intrstring : "unknown interrupt");
|
|
}
|
|
}
|