Module Name: src Committed By: ahoka Date: Wed Sep 8 22:49:50 UTC 2010
Added Files: src/sys/arch/evbarm/devkit8000: if_dme_gpmc.c Log Message: dme ethernet driver for devkit8000 gpmc To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/sys/arch/evbarm/devkit8000/if_dme_gpmc.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Added files: Index: src/sys/arch/evbarm/devkit8000/if_dme_gpmc.c diff -u /dev/null src/sys/arch/evbarm/devkit8000/if_dme_gpmc.c:1.1 --- /dev/null Wed Sep 8 22:49:50 2010 +++ src/sys/arch/evbarm/devkit8000/if_dme_gpmc.c Wed Sep 8 22:49:49 2010 @@ -0,0 +1,161 @@ +/* $NetBSD: if_dme_gpmc.c,v 1.1 2010/09/08 22:49:49 ahoka Exp $ */ + +/* + * Copyright (c) 2010 Adam Hoka + * 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. + * + * 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. + */ + +/* + * Copyright (c) 2009 Paul Fleischer + * All rights reserved. + * + * 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. The name of the company nor the name of the author may 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 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. + */ + +#include <sys/cdefs.h> + +#include "opt_omap.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/socket.h> +#include <sys/device.h> + +#include <net/if.h> +#include <net/if_ether.h> +#include <net/if_media.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <arch/arm/omap/omap2_gpmcvar.h> +#include <arch/arm/omap/omap2_gpmcreg.h> + +#include <dev/ic/dm9000var.h> +#include <dev/ic/dm9000reg.h> + +int dme_gpmc_match(device_t, struct cfdata *, void *); +void dme_gpmc_attach(device_t, device_t, void *); + +CFATTACH_DECL_NEW(dme_gpmc, sizeof(struct dme_softc), + dme_gpmc_match, dme_gpmc_attach, NULL, NULL); + +int +dme_gpmc_match(device_t parent, struct cfdata *cf, void *aux) +{ + struct gpmc_attach_args *gpmc = aux; + bus_space_tag_t iot = gpmc->gpmc_iot; + bus_space_handle_t ioh; + + uint8_t vendor_id[2]; + uint8_t product_id[2]; + int result = 0; + + /* Map memory to access the device during probing */ + /* XXX should be done with two mappings */ + if (bus_space_map(iot, gpmc->gpmc_addr, 0x404, 0, &ioh)) + goto out; + + /* Used to temporarily access the device for probing */ + struct dme_softc sc = { + .sc_iot = iot, + .sc_ioh = ioh, + .dme_io = 0x0, + .dme_data = 0x400 + }; + + vendor_id[0] = dme_read(&sc, DM9000_VID0); + vendor_id[1] = dme_read(&sc, DM9000_VID1); + + product_id[0] = dme_read(&sc, DM9000_PID0); + product_id[1] = dme_read(&sc, DM9000_PID1); + + if (vendor_id[0] == 0x46 && vendor_id[1] == 0x0a && + product_id[0] == 0x00 && product_id[1] == 0x90 ) { + result = 1; + } + +out: + bus_space_unmap(iot, ioh, 0x404); + + return result; +} + + +void +dme_gpmc_attach(device_t parent, device_t self, void *aux) +{ + struct dme_softc *sc = device_private(self); + struct gpmc_attach_args *gpmc = aux; + /* XXX read eeprom or derive from die id */ +#define DME_ETHER_ADDR_FIXED 0,0x0a,0xb1,0,1,0xff +#ifdef DME_ETHER_ADDR_FIXED + static u_int8_t enaddr[ETHER_ADDR_LEN] = {DME_ETHER_ADDR_FIXED}; +#else +#define enaddr NULL +#endif + sc->sc_iot = gpmc->gpmc_iot; + sc->sc_dev = self; + + /* XXX should be done with two mappings */ + if (bus_space_map(sc->sc_iot, + gpmc->gpmc_addr, 0x404, 0, &sc->sc_ioh)) { + aprint_error(": unable to map i/o space\n"); + return; + } + + sc->sc_ih = intr_establish(gpmc->gpmc_intr, IPL_NET, IST_LEVEL_LOW, + dme_intr, sc); + + if (sc->sc_ih == NULL) { + aprint_error(": unable to establish interrupt\n"); + bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0x404); + } + + sc->dme_io = 0x0; + sc->dme_data = 0x400; + + aprint_normal("\n"); + + dme_attach(sc, enaddr); +}