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[src/trunk]: src/sys/dev/sbus Add the Sbus front-end for the HME driver.
details: https://anonhg.NetBSD.org/src/rev/75386e68df15
branches: trunk
changeset: 474065:75386e68df15
user: pk <pk%NetBSD.org@localhost>
date: Sun Jun 27 12:47:52 1999 +0000
description:
Add the Sbus front-end for the HME driver.
diffstat:
sys/dev/sbus/files.sbus | 7 +-
sys/dev/sbus/if_hme_sbus.c | 193 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 196 insertions(+), 4 deletions(-)
diffs (218 lines):
diff -r 5fb76e0be616 -r 75386e68df15 sys/dev/sbus/files.sbus
--- a/sys/dev/sbus/files.sbus Sun Jun 27 12:43:08 1999 +0000
+++ b/sys/dev/sbus/files.sbus Sun Jun 27 12:47:52 1999 +0000
@@ -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 @@
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 -r 5fb76e0be616 -r 75386e68df15 sys/dev/sbus/if_hme_sbus.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/sbus/if_hme_sbus.c Sun Jun 27 12:47:52 1999 +0000
@@ -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 <sys/param.h>
+#include <sys/systm.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+
+#include <dev/sbus/sbusvar.h>
+#include <dev/ic/hmevar.h>
+
+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);
+}
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