Add the neccessary glue to attach gem(4) to sbus(4) and enable gem(4) in

GENERIC and SUN4M kernels.

ok miod@

1 files changed, 155 insertions, 0 deletions

diff --git a/sys/arch/sparc/dev/if_gem_sbus.c b/sys/arch/sparc/dev/if_gem_sbus.c
new file mode 100644
index 00000000000..b8809b3fa96
--- /dev/null
+++ b/sys/arch/sparc/dev/if_gem_sbus.c
@@ -0,0 +1,155 @@
+/*	$OpenBSD: if_gem_sbus.c,v 1.1 2009/07/13 19:53:58 kettenis Exp $	*/
+/*	$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.
+ *
+ * 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 <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_media.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <machine/autoconf.h>
+#include <machine/bus.h>
+extern struct sparc_bus_dma_tag *iommu_dmatag;
+
+#include <sparc/dev/sbusvar.h>
+
+#include <dev/ic/gemreg.h>
+#include <dev/ic/gemvar.h>
+
+#include <dev/ofw/openfirm.h>
+
+struct gem_sbus_softc {
+	struct	gem_softc	gsc_gem;	/* GEM device */
+	struct intrhand		gsc_ih;
+	struct rom_reg		gsc_rr;
+};
+
+int	gemmatch_sbus(struct device *, void *, void *);
+void	gemattach_sbus(struct device *, struct device *, void *);
+
+struct cfattach gem_sbus_ca = {
+	sizeof(struct gem_sbus_softc), gemmatch_sbus, gemattach_sbus
+};
+
+int
+gemmatch_sbus(struct device *parent, void *vcf, void *aux)
+{
+	struct confargs *ca = aux;
+	struct romaux *ra = &ca->ca_ra;
+
+	return (strcmp("network", ra->ra_name) == 0);
+}
+
+void
+gemattach_sbus(struct device *parent, struct device *self, void *aux)
+{
+	struct confargs *ca = aux;
+	struct gem_sbus_softc *gsc = (void *)self;
+	struct gem_softc *sc = &gsc->gsc_gem;
+	/* XXX the following declaration should be elsewhere */
+	extern void myetheraddr(u_char *);
+
+	/* Pass on the bus tags */
+	gsc->gsc_rr = ca->ca_ra.ra_reg[0];
+	sc->sc_bustag = &gsc->gsc_rr;
+	sc->sc_dmatag = iommu_dmatag;
+
+	if (ca->ca_ra.ra_nintr < 1) {
+                printf(": no interrupt\n");
+                return;
+        }
+
+	if (ca->ca_ra.ra_nreg < 2) {
+                printf(": only %d register sets\n", ca->ca_ra.ra_nreg);
+		return;
+	}
+
+	sc->sc_variant = GEM_SUN_GEM;
+
+	/*
+	 * Map two register banks:
+	 *
+	 *	bank 0: status, config, reset
+	 *	bank 1: various gem parts
+	 *
+	 */
+	if (bus_space_map(&ca->ca_ra.ra_reg[0], 0,
+	    ca->ca_ra.ra_reg[0].rr_len, 0, &sc->sc_h2)) {
+		printf(": can't map registers\n");
+		return;
+	}
+	if (bus_space_map(&ca->ca_ra.ra_reg[1], 0,
+	    ca->ca_ra.ra_reg[1].rr_len, 0, &sc->sc_h1)) {
+		printf(": can't map registers\n");
+		return;
+	}
+
+	if (getprop(ca->ca_ra.ra_node, "local-mac-address",
+	    sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
+		myetheraddr(sc->sc_arpcom.ac_enaddr);
+
+	/*
+	 * SBUS config
+	 */
+	(void) bus_space_read_4(sc->sc_bustag, sc->sc_h2, GEM_SBUS_RESET);
+	delay(100);
+	bus_space_write_4(sc->sc_bustag, sc->sc_h2, GEM_SBUS_CONFIG,
+	    GEM_SBUS_CFG_BSIZE32);
+
+	/* Establish interrupt handler */
+	gsc->gsc_ih.ih_fun = gem_intr;
+	gsc->gsc_ih.ih_arg = sc;
+	intr_establish(ca->ca_ra.ra_intr[0].int_pri, &gsc->gsc_ih,
+	    IPL_NET, self->dv_xname);
+
+	gem_config(sc);
+}