xref: /netbsd/sys/arch/evbmips/malta/malta_bus_mem.c (revision bf9ec67e)
1 /*	$NetBSD: malta_bus_mem.c,v 1.3 2002/04/09 03:40:17 simonb Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Platform-specific PCI bus memory support for the MIPS Malta.
41  */
42 
43 #include <sys/param.h>
44 #include <sys/malloc.h>
45 
46 #include <uvm/uvm_extern.h>
47 
48 #include <machine/locore.h>
49 
50 #include <evbmips/malta/maltareg.h>
51 #include <evbmips/malta/maltavar.h>
52 
53 #define	CHIP		malta
54 #define	CHIP_MEM	/* defined */
55 
56 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct malta_config *)(v))->mc_mallocsafe)
57 #define	CHIP_EXTENT(v)		(((struct malta_config *)(v))->mc_mem_ex)
58 
59 #if 1
60 /*
61  * There are actually 2 PCILO memory windows, but they are configured
62  * as one contiguous PCI memory space.
63  */
64 
65 /* MEM region 1 */
66 #define	CHIP_W1_BUS_START(v)	MALTA_PCIMEM1_BASE
67 #define	CHIP_W1_BUS_END(v)	MALTA_PCIMEM1_SIZE + \
68 				MALTA_PCIMEM2_SIZE
69 #define	CHIP_W1_SYS_START(v)	((u_long)MALTA_PCIMEM1_BASE)
70 #define	CHIP_W1_SYS_END(v)	((u_long)MALTA_PCIMEM1_BASE + \
71 				 CHIP_W1_BUS_END(v))
72 #else
73 
74 /* MEM region 1 */
75 #define	CHIP_W1_BUS_START(v)	MALTA_PCIMEM1_BASE
76 #define	CHIP_W1_BUS_END(v)	MALTA_PCIMEM1_SIZE
77 #define	CHIP_W1_SYS_START(v)	((u_long)MALTA_PCIMEM1_BASE)
78 #define	CHIP_W1_SYS_END(v)	((u_long)MALTA_PCIMEM1_BASE + \
79 				 CHIP_W1_BUS_END(v))
80 
81 /* MEM region 2 */
82 #define	CHIP_W2_BUS_START(v)	MALTA_PCIMEM2_BASE
83 #define	CHIP_W2_BUS_END(v)	MALTA_PCIMEM2_SIZE
84 #define	CHIP_W2_SYS_START(v)	((u_long)MALTA_PCIMEM2_BASE)
85 #define	CHIP_W2_SYS_END(v)	((u_long)MALTA_PCIMEM2_BASE + \
86 				 CHIP_W2_BUS_END(v))
87 #endif
88 
89 #include <mips/mips/bus_space_alignstride_chipdep.c>
90