1/*	$NetBSD: fhc_central.c,v 1.2 2011/08/01 08:36:39 mrg Exp $	*/
2/*	$OpenBSD: fhc_central.c,v 1.5 2004/09/27 18:32:35 jason Exp $	*/
3
4/*
5 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__KERNEL_RCSID(0, "$NetBSD$");
32
33#include <sys/types.h>
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/kernel.h>
37#include <sys/device.h>
38#include <sys/conf.h>
39#include <sys/bus.h>
40
41#include <machine/autoconf.h>
42#include <machine/openfirm.h>
43
44#include <sparc64/dev/centralvar.h>
45#include <sparc64/dev/fhcreg.h>
46#include <sparc64/dev/fhcvar.h>
47
48int	fhc_central_match(device_t, cfdata_t, void *);
49void	fhc_central_attach(device_t, device_t, void *);
50
51CFATTACH_DECL_NEW(fhc_central, sizeof(struct fhc_softc),
52    fhc_central_match, fhc_central_attach, NULL, NULL);
53
54int
55fhc_central_match(device_t parent, cfdata_t match, void *aux)
56{
57	struct central_attach_args *ca = aux;
58
59	if (strcmp(ca->ca_name, "fhc") == 0)
60		return (1);
61	return (0);
62}
63
64void
65fhc_central_attach(device_t parent, device_t self, void *aux)
66{
67	struct fhc_softc *sc = device_private(self);
68	struct central_attach_args *ca = aux;
69	u_int32_t board;
70
71	sc->sc_node = ca->ca_node;
72	sc->sc_bt = ca->ca_bustag;
73	sc->sc_is_central = 1;
74
75	if (central_bus_map(sc->sc_bt, ca->ca_reg[0].cbr_slot,
76	    ca->ca_reg[0].cbr_offset, ca->ca_reg[0].cbr_size, 0,
77	    &sc->sc_preg)) {
78		printf(": failed to map preg\n");
79		return;
80	}
81
82	if (central_bus_map(sc->sc_bt, ca->ca_reg[1].cbr_slot,
83	    ca->ca_reg[1].cbr_offset, ca->ca_reg[1].cbr_size, 0,
84	    &sc->sc_ireg)) {
85		printf(": failed to map ireg\n");
86		return;
87	}
88
89	if (central_bus_map(sc->sc_bt, ca->ca_reg[2].cbr_slot,
90	    ca->ca_reg[2].cbr_offset, ca->ca_reg[2].cbr_size,
91	    BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
92		printf(": failed to map freg\n");
93		return;
94	}
95
96	if (central_bus_map(sc->sc_bt, ca->ca_reg[3].cbr_slot,
97	    ca->ca_reg[3].cbr_offset, ca->ca_reg[3].cbr_size,
98	    BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
99		printf(": failed to map sreg\n");
100		return;
101	}
102
103	if (central_bus_map(sc->sc_bt, ca->ca_reg[4].cbr_slot,
104	    ca->ca_reg[4].cbr_offset, ca->ca_reg[4].cbr_size,
105	    BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
106		printf(": failed to map ureg\n");
107		return;
108	}
109
110	if (central_bus_map(sc->sc_bt, ca->ca_reg[5].cbr_slot,
111	    ca->ca_reg[5].cbr_offset, ca->ca_reg[5].cbr_size,
112	    BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
113		printf(": failed to map treg\n");
114		return;
115	}
116
117	board = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_BSR);
118	sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
119	sc->sc_dev = self;
120
121	fhc_attach(sc);
122	return;
123}
124