From a7e4d3ac4d35da454e5bba0a47fcf0e3b790b721 Mon Sep 17 00:00:00 2001 From: pk Date: Sun, 27 Jun 1999 12:47:52 +0000 Subject: [PATCH] Add the Sbus front-end for the HME driver. --- sys/dev/sbus/files.sbus | 7 +- sys/dev/sbus/if_hme_sbus.c | 193 +++++++++++++++++++++++++++++++++++++ 2 files changed, 196 insertions(+), 4 deletions(-) create mode 100644 sys/dev/sbus/if_hme_sbus.c diff --git a/sys/dev/sbus/files.sbus b/sys/dev/sbus/files.sbus index 72a9c558c92f..f672cf7fe588 100644 --- a/sys/dev/sbus/files.sbus +++ b/sys/dev/sbus/files.sbus @@ -1,4 +1,4 @@ -# $NetBSD: files.sbus,v 1.12 1999/06/05 14:29:11 mrg Exp $ +# $NetBSD: files.sbus,v 1.13 1999/06/27 12:47:52 pk Exp $ # # Config file and device description for machine-independent SBUS code. # Included by ports that need it. @@ -63,9 +63,8 @@ device qe: arp, ether, ifnet attach qe at qec file dev/sbus/qe.c qe -#device hme: arp, ether, ifnet, stp2002 -#attach hme at qec -#file dev/sbus/hme.c hme +attach hme at sbus with hme_sbus +file dev/sbus/if_hme_sbus.c hme_sbus attach audiocs at sbus with audiocs_sbus file dev/sbus/cs4231_sbus.c audiocs_sbus diff --git a/sys/dev/sbus/if_hme_sbus.c b/sys/dev/sbus/if_hme_sbus.c new file mode 100644 index 000000000000..8e6f497892cd --- /dev/null +++ b/sys/dev/sbus/if_hme_sbus.c @@ -0,0 +1,193 @@ +/* $NetBSD: if_hme_sbus.c,v 1.1 1999/06/27 12:47:52 pk Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Paul Kranenburg. + * + * 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. + */ + +/* + * SBus front-end device driver for the HME ethernet device. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include +#include + +struct hmesbus_softc { + struct hme_softc hsc_hme; /* HME device */ + struct sbusdev hsc_sbus; /* SBus device */ +}; + +int hmematch_sbus __P((struct device *, struct cfdata *, void *)); +void hmeattach_sbus __P((struct device *, struct device *, void *)); + +struct cfattach hme_sbus_ca = { + sizeof(struct hmesbus_softc), hmematch_sbus, hmeattach_sbus +}; + +int +hmematch_sbus(parent, cf, aux) + struct device *parent; + struct cfdata *cf; + void *aux; +{ + struct sbus_attach_args *sa = aux; + + return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0); +} + +void +hmeattach_sbus(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct sbus_attach_args *sa = aux; + struct hmesbus_softc *hsc = (void *)self; + struct hme_softc *sc = &hsc->hsc_hme; + struct sbusdev *sd = &hsc->hsc_sbus; + u_int32_t burst, sbusburst; + int node; + /* XXX the following declarations should be elsewhere */ + extern void myetheraddr __P((u_char *)); + + node = sa->sa_node; + + /* Pass on the bus tags */ + sc->sc_bustag = sa->sa_bustag; + sc->sc_dmatag = sa->sa_dmatag; + + if (sa->sa_nreg < 5) { + printf("%s: only %d register sets\n", + self->dv_xname, sa->sa_nreg); + return; + } + + /* + * Map five register banks: + * + * bank 0: HME SEB registers + * bank 1: HME ETX registers + * bank 2: HME ERX registers + * bank 3: HME MAC registers + * bank 4: HME MIF registers + * + */ + if (sbus_bus_map(sa->sa_bustag, + (bus_type_t)sa->sa_reg[0].sbr_slot, + (bus_addr_t)sa->sa_reg[0].sbr_offset, + (bus_size_t)sa->sa_reg[0].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_seb) != 0) { + printf("%s @ sbus: cannot map registers\n", self->dv_xname); + return; + } + if (sbus_bus_map(sa->sa_bustag, + (bus_type_t)sa->sa_reg[1].sbr_slot, + (bus_addr_t)sa->sa_reg[1].sbr_offset, + (bus_size_t)sa->sa_reg[1].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_etx) != 0) { + printf("%s @ sbus: cannot map registers\n", self->dv_xname); + return; + } + if (sbus_bus_map(sa->sa_bustag, + (bus_type_t)sa->sa_reg[2].sbr_slot, + (bus_addr_t)sa->sa_reg[2].sbr_offset, + (bus_size_t)sa->sa_reg[2].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_erx) != 0) { + printf("%s @ sbus: cannot map registers\n", self->dv_xname); + return; + } + if (sbus_bus_map(sa->sa_bustag, + (bus_type_t)sa->sa_reg[3].sbr_slot, + (bus_addr_t)sa->sa_reg[3].sbr_offset, + (bus_size_t)sa->sa_reg[3].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_mac) != 0) { + printf("%s @ sbus: cannot map registers\n", self->dv_xname); + return; + } + if (sbus_bus_map(sa->sa_bustag, + (bus_type_t)sa->sa_reg[4].sbr_slot, + (bus_addr_t)sa->sa_reg[4].sbr_offset, + (bus_size_t)sa->sa_reg[4].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_mif) != 0) { + printf("%s @ sbus: cannot map registers\n", self->dv_xname); + return; + } + + sd->sd_reset = (void *)hme_reset; + sbus_establish(sd, self); + + myetheraddr(sc->sc_enaddr); + + /* + * Get transfer burst size from PROM and pass it on + * to the back-end driver. + */ + sbusburst = ((struct sbus_softc *)parent)->sc_burst; + if (sbusburst == 0) + sbusburst = SBUS_BURST_32 - 1; /* 1->16 */ + + burst = getpropint(node, "burst-sizes", -1); + if (burst == -1) + /* take SBus burst sizes */ + burst = sbusburst; + + /* Clamp at parent's burst sizes */ + burst &= sbusburst; + + /* Translate into plain numerical format */ + sc->sc_burst = (burst & SBUS_BURST_32) ? 32 : + (burst & SBUS_BURST_16) ? 16 : 0; + + hme_config(sc); + + (void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, 0, + hme_intr, sc); +}