dbau1500.c revision 1.2 
1/* $NetBSD: dbau1500.c,v 1.2 2006/02/12 06:43:03 gdamore Exp $ */
2
3/*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Written by Garrett D'Amore for Itronix Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. The name of Itronix Inc. may not be used to endorse
18 *    or promote products derived from this software without specific
19 *    prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35__KERNEL_RCSID(0, "$NetBSD: dbau1500.c,v 1.2 2006/02/12 06:43:03 gdamore Exp $");
36
37#include <sys/param.h>
38#include <machine/bus.h>
39#include <machine/locore.h>
40#include <evbmips/alchemy/obiovar.h>
41#include <evbmips/alchemy/board.h>
42#include <evbmips/alchemy/dbau1500reg.h>
43
44static void dbau1500_init(void);
45static int dbau1500_pci_intr_map(struct pci_attach_args *,
46				 pci_intr_handle_t *);
47
48static const struct obiodev dbau1500_devices[] = {
49#if 0
50	{ "aupcmcia", -1, -1 },
51	{ "auaudio", -1, -1 },
52#endif
53	{ NULL },
54};
55
56static struct alchemy_board dbau1500_info = {
57	"AMD Alchemy DBAu1500",
58	dbau1500_devices,
59	dbau1500_init,
60	dbau1500_pci_intr_map,
61};
62
63const struct alchemy_board *
64board_info(void)
65{
66
67	return &dbau1500_info;
68}
69
70void
71dbau1500_init(void)
72{
73	uint32_t	whoami;
74
75	if (MIPS_PRID_COPTS(cpu_id) != MIPS_AU1500)
76		panic("dbau1500: CPU not an AU1500!");
77
78	/* check the whoami register for a match */
79	whoami = *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1(DBAU1500_WHOAMI));
80
81	if (DBAU1500_WHOAMI_BOARD(whoami) != DBAU1500_WHOAMI_DBAU1500)
82		panic("dbau1500: WHOAMI (%x) not DBAu1500!", whoami);
83
84	printf("DBAu1500 (zinfandel), CPLDv%d, ",
85	    DBAU1500_WHOAMI_CPLD(whoami));
86
87	if (DBAU1500_WHOAMI_DAUGHTER(whoami) != 0xf)
88		printf("daughtercard 0x%x\n",
89		    DBAU1500_WHOAMI_DAUGHTER(whoami));
90	else
91		printf("no daughtercard\n");
92
93	/* leave console and clocks alone -- YAMON should have got it right! */
94}
95
96int
97dbau1500_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
98{
99	/*
100	 * This platform has PCI slot and IDE interrupts mapped
101	 * identically.  So we just need to look at which of the four
102	 * PCI interrupts it is.
103	 */
104
105	switch (pa->pa_intrpin) {
106	case 0:
107		/* not used */
108		return 1;
109	case 1:
110		*ihp = 1;
111		break;
112	case 2:
113		*ihp = 2;
114		break;
115	case 3:
116		*ihp = 4;
117		break;
118	case 4:
119		*ihp = 5;
120		break;
121	default:
122		printf("pci: bad interrupt pin %d\n", pa->pa_intrpin);
123		return 1;
124	}
125	return 0;
126}
127