lbc.h revision 186288 
1/*-
2 * Copyright (c) 2006-2008, Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/powerpc/mpc85xx/lbc.h 186288 2008-12-18 18:27:12Z raj $
27 */
28
29#ifndef _MACHINE_LBC_H_
30#define	_MACHINE_LBC_H_
31
32#define	LBC_IVAR_DEVTYPE	1
33
34/* Maximum number of devices on Local Bus */
35#define	LBC_DEV_MAX	8
36
37/* Device types. */
38#define	LBC_DEVTYPE_CFI		1
39#define	LBC_DEVTYPE_RTC		2
40
41/* Local access registers */
42#define	LBC85XX_BR(n)	(OCP85XX_LBC_OFF + (8 * n))
43#define	LBC85XX_OR(n)	(OCP85XX_LBC_OFF + 4 + (8 * n))
44#define	LBC85XX_LBCR	(OCP85XX_LBC_OFF + 0xd0)
45#define	LBC85XX_LCRR	(OCP85XX_LBC_OFF + 0xd4)
46
47/* LBC machine select */
48#define	LBCRES_MSEL_GPCM	0
49#define	LBCRES_MSEL_FCM		1
50#define	LBCRES_MSEL_UPMA	8
51#define	LBCRES_MSEL_UPMB	9
52#define	LBCRES_MSEL_UPMC	10
53
54/* LBC data error checking modes */
55#define	LBCRES_DECC_DISABLED	0
56#define	LBCRES_DECC_NORMAL	1
57#define	LBCRES_DECC_RMW		2
58
59/* LBC atomic operation modes */
60#define	LBCRES_ATOM_DISABLED	0
61#define	LBCRES_ATOM_RAWA	1
62#define	LBCRES_ATOM_WARA	2
63
64struct lbc_resource {
65	int		lbr_devtype;	/* LBC device type */
66	int		lbr_unit;	/* Resource table entry number */
67	vm_paddr_t	lbr_base_addr;	/* Device mem region base address */
68	size_t		lbr_size;	/* Device mem region size */
69	int		lbr_port_size;	/* Data bus width */
70	uint8_t		lbr_msel;	/* LBC machine select */
71	uint8_t		lbr_decc;	/* Data error checking mode */
72	uint8_t		lbr_atom;	/* Atomic operation mode */
73	uint8_t		lbr_wp;		/* Write protect */
74};
75
76extern const struct lbc_resource mpc85xx_lbc_resources[];
77
78#endif /* _MACHINE_LBC_H_ */
79