From 381d97cf19c305bb2bb47831fcaf39bce3eb0cac Mon Sep 17 00:00:00 2001 From: martin Date: Fri, 24 Nov 2006 13:23:32 +0000 Subject: [PATCH] Snapshot of work in progress gem @ sbus attachement. Don't use at home yet! Thanks to Steve Rikli for providing hardware and test equipement, and to uwe for a lot help understanding the hardware. --- sys/dev/sbus/files.sbus | 5 +- sys/dev/sbus/if_gem_sbus.c | 150 +++++++++++++++++++++++++++++++++++++ 2 files changed, 154 insertions(+), 1 deletion(-) create mode 100644 sys/dev/sbus/if_gem_sbus.c diff --git a/sys/dev/sbus/files.sbus b/sys/dev/sbus/files.sbus index 2487089e9a34..a1a18363ecce 100644 --- a/sys/dev/sbus/files.sbus +++ b/sys/dev/sbus/files.sbus @@ -1,4 +1,4 @@ -# $NetBSD: files.sbus,v 1.25 2006/03/09 20:44:18 macallan Exp $ +# $NetBSD: files.sbus,v 1.26 2006/11/24 13:23:32 martin Exp $ # # Config file and device description for machine-independent SBUS code. # Included by ports that need it. @@ -65,6 +65,9 @@ file dev/sbus/qe.c qe attach hme at sbus with hme_sbus file dev/sbus/if_hme_sbus.c hme_sbus +attach gem at sbus with gem_sbus +file dev/sbus/if_gem_sbus.c gem_sbus + attach audiocs at sbus with audiocs_sbus file dev/sbus/cs4231_sbus.c audiocs_sbus diff --git a/sys/dev/sbus/if_gem_sbus.c b/sys/dev/sbus/if_gem_sbus.c new file mode 100644 index 000000000000..2c75089c16fa --- /dev/null +++ b/sys/dev/sbus/if_gem_sbus.c @@ -0,0 +1,150 @@ +/* $NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $ */ + +/*- + * Copyright (c) 2006 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Martin Husemann. + * + * 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 for the GEM network driver + */ + +#include +__KERNEL_RCSID(0, "$NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $"); + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +#include + +#include +#include + +struct gem_sbus_softc { + struct gem_softc gsc_gem; /* GEM device */ + struct sbusdev gsc_sd; + void *gsc_ih; + bus_space_handle_t gsc_sbus_regs_h; +}; + +int gemmatch_sbus(struct device *, struct cfdata *, void *); +void gemattach_sbus(struct device *, struct device *, void *); + +CFATTACH_DECL(gem_sbus, sizeof(struct gem_sbus_softc), + gemmatch_sbus, gemattach_sbus, NULL, NULL); + +int +gemmatch_sbus(struct device *parent, struct cfdata *cf, void *aux) +{ + struct sbus_attach_args *sa = aux; + + return (strcmp("network", sa->sa_name) == 0); +} + +void +gemattach_sbus(struct device *parent, struct device *self, void *aux) +{ + struct sbus_attach_args *sa = aux; + struct gem_sbus_softc *gsc = (void *)self; + struct gem_softc *sc = &gsc->gsc_gem; + uint8_t enaddr[ETHER_ADDR_LEN]; + + /* Pass on the bus tags */ + sc->sc_bustag = sa->sa_bustag; + sc->sc_dmatag = sa->sa_dmatag; + + printf(": GEM Ethernet controller (%s), version %s\n", + sa->sa_name, prom_getpropstring(sa->sa_node, "version")); + + if (sa->sa_nreg < 2) { + printf("%s: only %d register sets\n", + self->dv_xname, sa->sa_nreg); + return; + } + + /* + * Map two register banks: + * + * bank 0: status, config, reset + * bank 1: various gem parts + * + */ + if (sbus_bus_map(sa->sa_bustag, + sa->sa_reg[0].oa_space, + sa->sa_reg[0].oa_base, + (bus_size_t)sa->sa_reg[0].oa_size, + 0, &sc->sc_h2) != 0) { + printf("%s: cannot map registers\n", self->dv_xname); + return; + } + if (sbus_bus_map(sa->sa_bustag, + sa->sa_reg[1].oa_space, + sa->sa_reg[1].oa_base, + (bus_size_t)sa->sa_reg[1].oa_size, + 0, &sc->sc_h1) != 0) { + printf("%s: cannot map registers\n", self->dv_xname); + return; + } + sbus_establish(&gsc->gsc_sd, self); + prom_getether(sa->sa_node, enaddr); + + /* + * SBUS config + */ + bus_space_write_4(sa->sa_bustag, sc->sc_h2, GEM_SBUS_CONFIG, + GEM_SBUS_CFG_PARITY|GEM_SBUS_CFG_BMODE64); + + gem_attach(sc, enaddr); + + /* Establish interrupt handler */ + if (sa->sa_nintr != 0) + gsc->gsc_ih = bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, + gem_intr, sc); +}