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authordrochner <drochner@NetBSD.org>1998-04-16 18:00:14 +0000
committerdrochner <drochner@NetBSD.org>1998-04-16 18:00:14 +0000
commit30654f3e890ca729a1a2bbec227eee4e75239249 (patch)
tree0ec42a2cc38a9e9086c8199b2db4667df3d59bd5 /sys/dev
parent3b9f5eaac1143b7e79bd80f25bd2e56bd8eba7ed (diff)
Split out from if_le_isa.c - this card is quite different.
The driver is known not to work (timeout on send attempts).
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/isa/if_depca_isa.c461
1 files changed, 461 insertions, 0 deletions
diff --git a/sys/dev/isa/if_depca_isa.c b/sys/dev/isa/if_depca_isa.c
new file mode 100644
index 00000000000..0c1f93a3ad0
--- /dev/null
+++ b/sys/dev/isa/if_depca_isa.c
@@ -0,0 +1,461 @@
+/* $NetBSD: if_depca_isa.c,v 1.1 1998/04/16 18:00:14 drochner 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.
+ */
+
+/*-
+ * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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 University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ * @(#)if_le.c 8.2 (Berkeley) 11/16/93
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/syslog.h>
+#include <sys/socket.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/if_inarp.h>
+#endif
+
+#include <vm/vm.h>
+
+#include <machine/cpu.h>
+#include <machine/intr.h>
+#include <machine/bus.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+#include <dev/ic/am7990reg.h>
+#include <dev/ic/am7990var.h>
+
+#define DEPCA_CSR 0x0
+#define DEPCA_CSR_SHE 0x80 /* Shared memory enabled */
+#define DEPCA_CSR_LOW32K 0x40 /* Map lower 32K chunk */
+#define DEPCA_CSR_DUM 0x08 /* rev E compatibility */
+#define DEPCA_CSR_IM 0x04 /* Interrupt masked */
+#define DEPCA_CSR_IEN 0x02 /* Interrupt enabled */
+#define DEPCA_RDP 0x4
+#define DEPCA_RAP 0x6
+#define DEPCA_ADP 0xc
+
+struct depca_softc {
+ struct am7990_softc sc_am7990; /* glue to MI code */
+
+ void *sc_ih;
+ bus_space_tag_t sc_iot;
+ bus_space_tag_t sc_memt;
+ bus_space_handle_t sc_ioh;
+ bus_space_handle_t sc_memh;
+};
+
+int depca_isa_probe __P((struct device *, struct cfdata *, void *));
+void depca_isa_attach __P((struct device *, struct device *, void *));
+int le_depca_probe __P((struct device *, struct cfdata *, void *));
+void le_depca_attach __P((struct device *, struct device *, void *));
+
+struct cfattach depca_isa_ca = {
+ sizeof(struct device), depca_isa_probe, depca_isa_attach
+}, le_depca_ca = {
+ sizeof(struct depca_softc), le_depca_probe, le_depca_attach
+};
+
+int depca_readprom __P((bus_space_tag_t, bus_space_handle_t, u_int8_t *));
+int depca_intredge __P((void *));
+
+hide void depca_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
+hide u_int16_t depca_rdcsr __P((struct am7990_softc *, u_int16_t));
+
+void depca_copytobuf __P((struct am7990_softc *, void *, int, int));
+void depca_copyfrombuf __P((struct am7990_softc *, void *, int, int));
+void depca_zerobuf __P((struct am7990_softc *, int, int));
+
+hide void
+depca_wrcsr(sc, port, val)
+ struct am7990_softc *sc;
+ u_int16_t port, val;
+{
+ struct depca_softc *lesc = (struct depca_softc *)sc;
+ bus_space_tag_t iot = lesc->sc_iot;
+ bus_space_handle_t ioh = lesc->sc_ioh;
+
+ bus_space_write_2(iot, ioh, DEPCA_RAP, port);
+ bus_space_write_2(iot, ioh, DEPCA_RDP, val);
+}
+
+hide u_int16_t
+depca_rdcsr(sc, port)
+ struct am7990_softc *sc;
+ u_int16_t port;
+{
+ struct depca_softc *lesc = (struct depca_softc *)sc;
+ bus_space_tag_t iot = lesc->sc_iot;
+ bus_space_handle_t ioh = lesc->sc_ioh;
+ u_int16_t val;
+
+ bus_space_write_2(iot, ioh, DEPCA_RAP, port);
+ val = bus_space_read_2(iot, ioh, DEPCA_RDP);
+ return (val);
+}
+
+int
+depca_readprom(iot, ioh, laddr)
+ bus_space_tag_t iot;
+ bus_space_handle_t ioh;
+ u_int8_t *laddr;
+{
+ int port, i;
+
+ /*
+ * Extract the physical MAC address from the ROM.
+ *
+ * The address PROM is 32 bytes wide, and we access it through
+ * a single I/O port. On each read, it rotates to the next
+ * position. We find the ethernet address by looking for a
+ * particular sequence of bytes (0xff, 0x00, 0x55, 0xaa, 0xff,
+ * 0x00, 0x55, 0xaa), and then reading the next 8 bytes (the
+ * ethernet address and a checksum).
+ *
+ * It appears that the PROM can be at one of two locations, so
+ * we just try both.
+ */
+ port = DEPCA_ADP;
+ for (i = 0; i < 32; i++)
+ if (bus_space_read_1(iot, ioh, port) == 0xff &&
+ bus_space_read_1(iot, ioh, port) == 0x00 &&
+ bus_space_read_1(iot, ioh, port) == 0x55 &&
+ bus_space_read_1(iot, ioh, port) == 0xaa &&
+ bus_space_read_1(iot, ioh, port) == 0xff &&
+ bus_space_read_1(iot, ioh, port) == 0x00 &&
+ bus_space_read_1(iot, ioh, port) == 0x55 &&
+ bus_space_read_1(iot, ioh, port) == 0xaa)
+ goto found;
+ port = DEPCA_ADP + 1;
+ for (i = 0; i < 32; i++)
+ if (bus_space_read_1(iot, ioh, port) == 0xff &&
+ bus_space_read_1(iot, ioh, port) == 0x00 &&
+ bus_space_read_1(iot, ioh, port) == 0x55 &&
+ bus_space_read_1(iot, ioh, port) == 0xaa &&
+ bus_space_read_1(iot, ioh, port) == 0xff &&
+ bus_space_read_1(iot, ioh, port) == 0x00 &&
+ bus_space_read_1(iot, ioh, port) == 0x55 &&
+ bus_space_read_1(iot, ioh, port) == 0xaa)
+ goto found;
+ printf("depca: address not found\n");
+ return (-1);
+
+found:
+
+ if (laddr) {
+ for (i = 0; i < 6; i++)
+ laddr[i] = bus_space_read_1(iot, ioh, port);
+ }
+
+#if 0
+ sum =
+ (laddr[0] << 2) +
+ (laddr[1] << 10) +
+ (laddr[2] << 1) +
+ (laddr[3] << 9) +
+ (laddr[4] << 0) +
+ (laddr[5] << 8);
+ sum = (sum & 0xffff) + (sum >> 16);
+ sum = (sum & 0xffff) + (sum >> 16);
+
+ rom_sum = bus_space_read_1(iot, ioh, port);
+ rom_sum |= bus_space_read_1(iot, ioh, port) << 8;
+
+ if (sum != rom_sum) {
+ printf("depca: checksum mismatch; calculated %04x != read %04x",
+ sum, rom_sum);
+ return (-1);
+ }
+#endif
+
+ return (0);
+}
+
+int
+depca_isa_probe(parent, match, aux)
+ struct device *parent;
+ struct cfdata *match;
+ void *aux;
+{
+ struct isa_attach_args *ia = aux;
+ bus_space_tag_t iot = ia->ia_iot;
+ bus_space_handle_t ioh;
+ bus_space_handle_t memh;
+ int rv = 0;
+
+ /* Disallow impossible i/o address. */
+ if (ia->ia_iobase != 0x200 && ia->ia_iobase != 0x300)
+ return (0);
+
+ /* Map i/o space. */
+ if (bus_space_map(iot, ia->ia_iobase, 16, 0, &ioh))
+ return 0;
+
+ if (ia->ia_maddr == MADDRUNK ||
+ (ia->ia_msize != 32*1024 && ia->ia_msize != 64*1024))
+ goto bad;
+
+ /* Map card RAM. */
+ if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh))
+ goto bad;
+
+ /* Just needed to check mapability; don't need it anymore. */
+ bus_space_unmap(ia->ia_memt, memh, ia->ia_msize);
+
+ /* Stop the LANCE chip and put it in a known state. */
+ bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
+ bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP);
+ delay(100);
+
+ bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
+ if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP)
+ goto bad;
+
+ bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3);
+ bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON);
+
+ bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM);
+
+ if (depca_readprom(iot, ioh, 0))
+ goto bad;
+
+ ia->ia_iosize = 16;
+ rv = 1;
+
+bad:
+ bus_space_unmap(iot, ioh, 16);
+ return (rv);
+}
+
+void
+depca_isa_attach(parent, self, aux)
+ struct device *parent, *self;
+ void *aux;
+{
+ printf("\n");
+
+ config_found(self, aux, 0);
+}
+
+int
+le_depca_probe(parent, match, aux)
+ struct device *parent;
+ struct cfdata *match;
+ void *aux;
+{
+ return (1);
+}
+
+void
+le_depca_attach(parent, self, aux)
+ struct device *parent, *self;
+ void *aux;
+{
+ struct depca_softc *lesc = (void *)self;
+ struct am7990_softc *sc = &lesc->sc_am7990;
+ struct isa_attach_args *ia = aux;
+ bus_space_tag_t iot = ia->ia_iot;
+ bus_space_tag_t memt = ia->ia_memt;
+ bus_space_handle_t ioh, memh;
+ u_char val;
+ int i;
+
+ printf("\n");
+
+ if (bus_space_map(iot, ia->ia_iobase, 16, 0, &ioh))
+ panic("%s: can't map io", self->dv_xname);
+
+ /* Map shared memory. */
+ if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh))
+ panic("%s: can't map mem space", self->dv_xname);
+
+ lesc->sc_iot = iot;
+ lesc->sc_ioh = ioh;
+ lesc->sc_memt = memt;
+ lesc->sc_memh = memh;
+
+ if (depca_readprom(iot, ioh, sc->sc_enaddr)) {
+ printf("%s: can't read PROM\n", self->dv_xname);
+ return;
+ }
+
+ bus_space_write_1(iot, ioh, DEPCA_CSR,
+ DEPCA_CSR_DUM | DEPCA_CSR_IEN | DEPCA_CSR_SHE
+ | (ia->ia_msize == 32*1024 ? DEPCA_CSR_LOW32K : 0));
+
+ val = 0xff;
+ for (;;) {
+ bus_space_set_region_1(memt, memh, 0, val,
+ ia->ia_msize);
+ for (i = 0; i < ia->ia_msize; i++)
+ if (bus_space_read_1(memt, memh, 1) != val) {
+ printf("%s: failed to clear memory\n",
+ sc->sc_dev.dv_xname);
+ return;
+ }
+ if (val == 0x00)
+ break;
+ val -= 0x55;
+ }
+
+ sc->sc_conf3 = LE_C3_ACON;
+ sc->sc_mem = 0; /* Not used. */
+ sc->sc_addr = 0;
+ sc->sc_memsize = ia->ia_msize;
+
+ sc->sc_copytodesc = depca_copytobuf;
+ sc->sc_copyfromdesc = depca_copyfrombuf;
+ sc->sc_copytobuf = depca_copytobuf;
+ sc->sc_copyfrombuf = depca_copyfrombuf;
+ sc->sc_zerobuf = depca_zerobuf;
+
+ sc->sc_rdcsr = depca_rdcsr;
+ sc->sc_wrcsr = depca_wrcsr;
+ sc->sc_hwinit = NULL;
+
+ printf("%s", sc->sc_dev.dv_xname);
+ am7990_config(sc);
+
+ lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
+ IPL_NET, depca_intredge, sc);
+}
+
+/*
+ * Controller interrupt.
+ */
+int
+depca_intredge(arg)
+ void *arg;
+{
+
+ if (am7990_intr(arg) == 0)
+ return (0);
+ for (;;)
+ if (am7990_intr(arg) == 0)
+ return (1);
+}
+
+/*
+ * DEPCA shared memory access functions.
+ */
+
+void
+depca_copytobuf(sc, from, boff, len)
+ struct am7990_softc *sc;
+ void *from;
+ int boff, len;
+{
+ struct depca_softc *lesc = (struct depca_softc *)sc;
+
+ bus_space_write_region_1(lesc->sc_memt, lesc->sc_memh, boff,
+ from, len);
+}
+
+void
+depca_copyfrombuf(sc, to, boff, len)
+ struct am7990_softc *sc;
+ void *to;
+ int boff, len;
+{
+ struct depca_softc *lesc = (struct depca_softc *)sc;
+
+ bus_space_read_region_1(lesc->sc_memt, lesc->sc_memh, boff,
+ to, len);
+}
+
+void
+depca_zerobuf(sc, boff, len)
+ struct am7990_softc *sc;
+ int boff, len;
+{
+ struct depca_softc *lesc = (struct depca_softc *)sc;
+
+#if 0 /* XXX !! */
+ bus_space_set_region_1(lesc->sc_memt, lesc->sc_memh, boff,
+ 0x00, len);
+#else
+ for (; len != 0; boff++, len--)
+ bus_space_write_1(lesc->sc_memt, lesc->sc_memh, boff, 0x00);
+#endif
+}