sbus specific driver for hme (from netbsd)

2 files changed, 211 insertions, 1 deletions

diff --git a/sys/dev/sbus/files.sbus b/sys/dev/sbus/files.sbus
index 5199e078ee8..c2c4f4b6c52 100644
--- a/sys/dev/sbus/files.sbus
+++ b/sys/dev/sbus/files.sbus
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.sbus,v 1.4 2001/08/21 14:30:09 jason Exp $
+#	$OpenBSD: files.sbus,v 1.5 2001/08/21 16:19:50 jason Exp $
 #	$NetBSD: files.sbus,v 1.16 2000/12/08 17:29:12 martin Exp $
 #
 # Config file and device description for machine-independent SBUS code.
@@ -42,3 +42,5 @@ attach	esp at sbus with esp_sbus
 attach	esp at dma with esp_dma
 file	dev/sbus/esp_sbus.c		esp_sbus | esp_dma	needs-flag
 
+attach	hme at sbus with hme_sbus
+file	dev/sbus/if_hme_sbus.c		hme_sbus
diff --git a/sys/dev/sbus/if_hme_sbus.c b/sys/dev/sbus/if_hme_sbus.c
new file mode 100644
index 00000000000..3b65e815578
--- /dev/null
+++ b/sys/dev/sbus/if_hme_sbus.c
@@ -0,0 +1,208 @@
+/*	$OpenBSD: if_hme_sbus.c,v 1.1 2001/08/21 16:19:50 jason Exp $	*/
+/*	$NetBSD: if_hme_sbus.c,v 1.6 2001/02/28 14:52:48 mrg 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_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/bus.h>
+#include <machine/intr.h>
+#include <machine/autoconf.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 *, void *, 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, vcf, aux)
+	struct device *parent;
+	void *vcf;
+	void *aux;
+{
+	struct cfdata *cf = vcf;
+	struct sbus_attach_args *sa = aux;
+
+	return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0 ||
+	    strcmp("SUNW,qfe", sa->sa_name) == 0 ||
+	    strcmp("SUNW,hme", 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;
+
+	sc->sc_pci = 0; /* XXXXX should all be done in bus_dma. */
+	hme_config(sc);
+
+	/* Establish interrupt handler */
+	if (sa->sa_nintr != 0)
+		(void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0,
+					 hme_intr, sc);
+}