xref: /netbsd-src/sys/arch/mips/rmi/rmixl_pci_mem_space.c (revision cf10107d5d3746e98e37d403b996f1965f67f255)
1 /*	$NetBSD: rmixl_pci_mem_space.c,v 1.3 2011/07/01 19:01:31 dyoung 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * Little Endian bus_space(9) support for PCI MEM access
34  * on RMI {XLP,XLR,XLS} chips
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: rmixl_pci_mem_space.c,v 1.3 2011/07/01 19:01:31 dyoung Exp $");
39 
40 #include <sys/types.h>
41 #include <sys/param.h>
42 
43 #include <sys/bus.h>
44 #include <mips/rmi/rmixl_obiovar.h>
45 #include <mips/rmi/rmixlreg.h>
46 #include <mips/rmi/rmixlvar.h>
47 
48 #define	CHIP			rmixl_pci
49 #define	CHIP_MEM		/* defined */
50 #define	CHIP_ACCESS_SIZE	1
51 #define CHIP_LITTLE_ENDIAN
52 
53 #define CHIP_EX_MALLOC_SAFE(v)	(((struct rmixl_config *)(v))->rc_mallocsafe)
54 #define CHIP_EXTENT(v)		(((struct rmixl_config *)(v))->rc_pci_mem_ex)
55 
56 /* MEM region 1 */
57 #define	CHIP_W1_BUS_START(v)	(((struct rmixl_config *)(v))->rc_pci_mem_pbase)
58 #define	CHIP_W1_BUS_END(v)	(CHIP_W1_SYS_START(v) + \
59 					(((struct rmixl_config *)(v))->rc_pci_mem_size) - 1)
60 #define CHIP_W1_SYS_START(v)	CHIP_W1_BUS_START(v)
61 #define CHIP_W1_SYS_END(v)	CHIP_W1_BUS_END(v)
62 
63 #include <mips/mips/bus_space_alignstride_chipdep.c>
64