Add smc91cxx ISA support.

1 files changed, 203 insertions, 0 deletions

diff --git a/sys/dev/isa/if_sm_isa.c b/sys/dev/isa/if_sm_isa.c
new file mode 100644
index 00000000000..8bd46293d1a
--- /dev/null
+++ b/sys/dev/isa/if_sm_isa.c
@@ -0,0 +1,203 @@
+/*	$OpenBSD: if_sm_isa.c,v 1.1 1998/09/26 19:09:15 fgsch Exp $	*/
+/*	$NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 jonathan Exp $	*/
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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.
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#ifdef __NetBSD__
+#include <net/if_ether.h>
+#endif
+#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>
+#ifdef __NetBSD__
+#include <netinet/if_inarp.h>
+#else
+#include <netinet/if_ether.h>
+#endif
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/intr.h>
+#include <machine/bus.h>
+
+#include <dev/ic/smc91cxxreg.h>
+#include <dev/ic/smc91cxxvar.h>
+
+#include <dev/isa/isavar.h>
+
+int	sm_isa_match __P((struct device *, void *, void *));
+void	sm_isa_attach __P((struct device *, struct device *, void *));
+
+struct sm_isa_softc {
+	struct	smc91cxx_softc sc_smc;		/* real "smc" softc */
+
+	/* ISA-specific goo. */
+	void	*sc_ih;				/* interrupt cookie */
+};
+
+struct cfattach sm_isa_ca = {
+	sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach
+};
+
+int
+sm_isa_match(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct isa_attach_args *ia = aux;
+	bus_space_tag_t iot = ia->ia_iot;
+	bus_space_handle_t ioh;
+	u_int16_t tmp;
+	int rv = 0;
+	extern const char *smc91cxx_idstrs[];
+
+	/* Disallow wildcarded values. */
+	if (ia->ia_irq == -1)
+		return (0);
+	if (ia->ia_iobase == -1)
+		return (0);
+
+	/* Map i/o space. */
+	if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh))
+		return (0);
+
+	/* Check that high byte of BANK_SELECT is what we expect. */
+	tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
+	if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
+		goto out;
+
+	/*
+	 * Switch to bank 0 and perform the test again.
+	 * XXX INVASIVE!
+	 */
+	bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0);
+	tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
+	if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
+		goto out;
+
+	/*
+	 * Switch to bank 1 and check the base address register.
+	 * XXX INVASIVE!
+	 */
+	bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1);
+	tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W);
+	if (ia->ia_iobase != ((tmp >> 3) & 0x3e0))
+		goto out;
+
+	/*
+	 * Check for a recognized chip id.
+	 * XXX INVASIVE!
+	 */
+	bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3);
+	tmp = bus_space_read_2(iot, ioh, REVISION_REG_W);
+	if (smc91cxx_idstrs[RR_ID(tmp)] == NULL)
+		goto out;
+
+	/*
+	 * Assume we have an SMC91Cxx.
+	 */
+	ia->ia_iosize = SMC_IOSIZE;
+	rv = 1;
+
+ out:
+	bus_space_unmap(iot, ioh, SMC_IOSIZE);
+	return (rv);
+}
+
+void
+sm_isa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct sm_isa_softc *isc = (struct sm_isa_softc *)self;
+	struct smc91cxx_softc *sc = &isc->sc_smc;
+	struct isa_attach_args *ia = aux;
+	bus_space_tag_t iot = ia->ia_iot;
+	bus_space_handle_t ioh;
+
+	printf("\n");
+
+	/* Map i/o space. */
+	if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh))
+		panic("sm_isa_attach: can't map i/o space");
+
+	sc->sc_bst = iot;
+	sc->sc_bsh = ioh;
+
+	/* should always be enabled */
+	sc->sc_enabled = 1;
+
+	/* XXX Should get Ethernet address from EEPROM!! */
+
+	/* Perform generic intialization. */
+	smc91cxx_attach(sc, NULL);
+
+	/* Establish the interrupt handler. */
+	isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
+	    IPL_NET, smc91cxx_intr, sc, sc->sc_dev.dv_xname);
+	if (isc->sc_ih == NULL)
+		printf("%s: couldn't establish interrupt handler\n",
+		    sc->sc_dev.dv_xname);
+}