[src/trunk]: src/sys/arch/macppc/dev dummy driver to represent the uni-n node...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8e0a1e99d045
branches:  trunk
changeset: 583532:8e0a1e99d045
user:      macallan <macallan%NetBSD.org@localhost>
date:      Wed Aug 10 14:30:15 2005 +0000

description:
dummy driver to represent the uni-n node in OF and attach its children

diffstat:

 sys/arch/macppc/dev/uni-n.c |  134 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 134 insertions(+), 0 deletions(-)

diffs (138 lines):

diff -r 638589e61965 -r 8e0a1e99d045 sys/arch/macppc/dev/uni-n.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/macppc/dev/uni-n.c       Wed Aug 10 14:30:15 2005 +0000
@@ -0,0 +1,134 @@
+/*     $NetBSD: uni-n.c,v 1.1 2005/08/10 14:30:15 macallan Exp $       */
+
+/*-
+ * Copyright (C) 2005 Michael Lorenz.
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+ * a driver to match the uni_n node in OF's device tree and attach its children 
+ */
+ 
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: uni-n.c,v 1.1 2005/08/10 14:30:15 macallan Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+
+#include <dev/ofw/openfirm.h>
+
+#include <machine/autoconf.h>
+
+static void uni_n_attach(struct device *, struct device *, void *);
+static int uni_n_match(struct device *, struct cfdata *, void *);
+static int uni_n_print(void *, const char *);
+
+struct uni_n_softc {
+       struct device sc_dev;
+       int sc_node;
+};
+
+CFATTACH_DECL(uni_n, sizeof(struct uni_n_softc),
+    uni_n_match, uni_n_attach, NULL, NULL);
+
+int
+uni_n_match(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       struct confargs *ca = aux;
+       char compat[32];
+       if (strcmp(ca->ca_name, "uni-n") != 0)
+               return 0;
+
+       memset(compat, 0, sizeof(compat));
+       OF_getprop(ca->ca_node, "compatible", compat, sizeof(compat));
+       if (strcmp(compat, "uni-north") != 0)
+               return 0;
+
+       return 1;
+}
+
+/*
+ * Attach all the sub-devices we can find
+ */
+void
+uni_n_attach(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct uni_n_softc *sc = (struct uni_n_softc *)self;
+       struct confargs *our_ca = aux;
+       struct confargs ca;
+       int node, child, namelen;
+       u_int reg[20];
+       int intr[6];
+       char name[32];
+
+       node = OF_finddevice("/uni-n");
+       sc->sc_node = node;
+       printf(" address 0x%08x\n",our_ca->ca_reg[0]);
+       
+       for (child = OF_child(node); child; child = OF_peer(child)) {
+               namelen = OF_getprop(child, "name", name, sizeof(name));
+               if (namelen < 0)
+                       continue;
+               if (namelen >= sizeof(name))
+                       continue;
+
+               name[namelen] = 0;
+               ca.ca_name = name;
+               ca.ca_node = child;
+
+               ca.ca_nreg  = OF_getprop(child, "reg", reg, sizeof(reg));
+               ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
+                               sizeof(intr));
+               if (ca.ca_nintr == -1)
+                       ca.ca_nintr = OF_getprop(child, "interrupts", intr,
+                                       sizeof(intr));
+
+               ca.ca_reg = reg;
+               ca.ca_intr = intr;
+
+               config_found(self, &ca, uni_n_print);
+       }
+}
+
+int
+uni_n_print(aux, uni_n)
+       void *aux;
+       const char *uni_n;
+{
+       struct confargs *ca = aux;
+       if (uni_n)
+               aprint_normal("%s at %s", ca->ca_name, uni_n);
+
+       if (ca->ca_nreg > 0)
+               aprint_normal(" address 0x%x", ca->ca_reg[0]);
+
+       return UNCONF;
+}