/* $NetBSD: if_ep_eisa.c,v 1.43 2014/03/29 19:28:24 christos Exp $ */ /*- * Copyright (c) 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. */ /* * Copyright (c) 1997 Jonathan Stone * Copyright (c) 1994 Herb Peyerl * 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 Herb Peyerl. * This product includes software developed by Jonathan Stone. * 4. The name of Herb Peyerl or Jonathan Stone 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 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.43 2014/03/29 19:28:24 christos Exp $"); #include "opt_inet.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #include #include #include #endif #include #include #include #include #include #include #include #include #include static int ep_eisa_match(device_t , cfdata_t , void *); static void ep_eisa_attach(device_t , device_t , void *); CFATTACH_DECL_NEW(ep_eisa, sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach, NULL, NULL); /* XXX move these somewhere else */ /* While attaching we need a few special EISA registers of the card, these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */ #define EP_EISA_CFG_BASE 0x0c80 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */ #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */ #define EP_EISA_CFG_SIZE 0x000a /* The generic driver backend only needs access to the standard ports, mapped at the beginning of the eisa slot space */ #define EP_IOPORT_OFFSET 0x0000 #define EP_IOPORT_SIZE 0x0020 /* Bits for the eisa control register */ #define EISA_RESET 0x04 #define EISA_ERROR 0x02 #define EISA_ENABLE 0x01 static const struct ep_eisa_product { const char *eep_eisaid; /* EISA ID */ u_short eep_chipset; /* 3Com chipset used */ int eep_flags; /* initial softc flags */ const char *eep_name; /* device name */ } ep_eisa_products[] = { { "TCM5090", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5090 }, { "TCM5091", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5091 }, { "TCM5092", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5092 }, { "TCM5093", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5093 }, { "TCM5094", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5094 }, { "TCM5095", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5095 }, { "TCM5098", ELINK_CHIPSET_3C509, 0, EISA_PRODUCT_TCM5098 }, /* * Note: The 3c597 Fast Etherlink MII (TCM5972) is an * MII connector for an external PHY. We treat it as * `manual' in the core driver. */ { "TCM5920", ELINK_CHIPSET_VORTEX, 0, EISA_PRODUCT_TCM5920 }, { "TCM5970", ELINK_CHIPSET_VORTEX, 0, EISA_PRODUCT_TCM5970 }, { "TCM5971", ELINK_CHIPSET_VORTEX, 0, EISA_PRODUCT_TCM5971 }, { "TCM5972", ELINK_CHIPSET_VORTEX, 0, EISA_PRODUCT_TCM5972 }, { NULL, 0, 0, NULL }, }; static const struct ep_eisa_product * ep_eisa_lookup(const struct eisa_attach_args *ea) { const struct ep_eisa_product *eep; for (eep = ep_eisa_products; eep->eep_name != NULL; eep++) if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0) return (eep); return (NULL); } static int ep_eisa_match(device_t parent, cfdata_t match, void *aux) { struct eisa_attach_args *ea = aux; /* must match one of our known ID strings */ if (ep_eisa_lookup(ea) != NULL) return (1); return (0); } static void ep_eisa_attach(device_t parent, device_t self, void *aux) { struct ep_softc *sc = device_private(self); struct eisa_attach_args *ea = aux; bus_space_tag_t iot = ea->ea_iot; bus_space_handle_t ioh, ioh_cfg; eisa_chipset_tag_t ec = ea->ea_ec; eisa_intr_handle_t ih; const char *intrstr; const struct ep_eisa_product *eep; u_int irq; char intrbuf[EISA_INTRSTR_LEN]; /* Map i/o space. */ if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE, EP_EISA_CFG_SIZE, 0, &ioh_cfg)) { printf("\n"); panic("ep_eisa_attach: can't map eisa cfg i/o space"); } if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET, EP_IOPORT_SIZE, 0, &ioh)) { printf("\n"); panic("ep_eisa_attach: can't map i/o space"); } sc->sc_dev = self; sc->sc_ioh = ioh; sc->sc_iot = iot; bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE); delay(4000); /* Read the IRQ from the card. */ irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12; eep = ep_eisa_lookup(ea); if (eep == NULL) { printf("\n"); panic("ep_eisa_attach: impossible"); } /* we don't need access to the config registers any more, but noone else should be able to map this space, so keep it reserved? */ #if 0 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE); #endif printf(": %s\n", eep->eep_name); sc->enable = NULL; sc->disable = NULL; sc->enabled = 1; sc->bustype = ELINK_BUS_EISA; sc->ep_flags = eep->eep_flags; if (eisa_intr_map(ec, irq, &ih)) { aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n", irq); return; } intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf)); sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, epintr, sc); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } if (intrstr != NULL) aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); epconfig(sc, eep->eep_chipset, NULL); }