135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
/* $NetBSD: uni-n.c,v 1.2 2005/12/11 12:18:03 christos Exp $ */
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/*-
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* Copyright (C) 2005 Michael Lorenz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* a driver to match the uni_n node in OF's device tree and attach its children
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: uni-n.c,v 1.2 2005/12/11 12:18:03 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/autoconf.h>
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static void uni_n_attach(struct device *, struct device *, void *);
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static int uni_n_match(struct device *, struct cfdata *, void *);
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static int uni_n_print(void *, const char *);
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struct uni_n_softc {
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struct device sc_dev;
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int sc_node;
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};
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CFATTACH_DECL(uni_n, sizeof(struct uni_n_softc),
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uni_n_match, uni_n_attach, NULL, NULL);
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int
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uni_n_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct confargs *ca = aux;
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char compat[32];
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if (strcmp(ca->ca_name, "uni-n") != 0)
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return 0;
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memset(compat, 0, sizeof(compat));
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OF_getprop(ca->ca_node, "compatible", compat, sizeof(compat));
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if (strcmp(compat, "uni-north") != 0)
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return 0;
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return 1;
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}
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/*
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* Attach all the sub-devices we can find
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*/
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void
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uni_n_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct uni_n_softc *sc = (struct uni_n_softc *)self;
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struct confargs *our_ca = aux;
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struct confargs ca;
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int node, child, namelen;
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u_int reg[20];
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int intr[6];
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char name[32];
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node = OF_finddevice("/uni-n");
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sc->sc_node = node;
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printf(" address 0x%08x\n",our_ca->ca_reg[0]);
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for (child = OF_child(node); child; child = OF_peer(child)) {
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namelen = OF_getprop(child, "name", name, sizeof(name));
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if (namelen < 0)
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continue;
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if (namelen >= sizeof(name))
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continue;
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name[namelen] = 0;
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ca.ca_name = name;
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ca.ca_node = child;
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ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
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ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
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sizeof(intr));
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if (ca.ca_nintr == -1)
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ca.ca_nintr = OF_getprop(child, "interrupts", intr,
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sizeof(intr));
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ca.ca_reg = reg;
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ca.ca_intr = intr;
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config_found(self, &ca, uni_n_print);
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}
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}
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int
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uni_n_print(aux, uni_n)
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void *aux;
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const char *uni_n;
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{
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struct confargs *ca = aux;
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if (uni_n)
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aprint_normal("%s at %s", ca->ca_name, uni_n);
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if (ca->ca_nreg > 0)
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aprint_normal(" address 0x%x", ca->ca_reg[0]);
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return UNCONF;
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}
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