1 /*	$NetBSD: algor_p4032_bus_mem.c,v 1.5 2008/04/28 20:23:10 martin 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  * Platform-specific PCI bus memory support for the Algorithmics P-4032.
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: algor_p4032_bus_mem.c,v 1.5 2008/04/28 20:23:10 martin Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/malloc.h>
42 #include <sys/syslog.h>
43 #include <sys/device.h>
44 
45 #include <uvm/uvm_extern.h>
46 
47 #include <machine/locore.h>
48 
49 #include <algor/algor/algor_p4032reg.h>
50 #include <algor/algor/algor_p4032var.h>
51 
52 #include <algor/pci/vtpbcvar.h>
53 
54 #define	CHIP		algor_p4032
55 
56 #define	CHIP_EX_MALLOC_SAFE(v)	(((struct p4032_config *)(v))->ac_mallocsafe)
57 #define	CHIP_MEM_EXTENT(v)	(((struct p4032_config *)(v))->ac_mem_ex)
58 
59 /* MEM region 1 */
60 #define	CHIP_MEM_W1_BUS_START(v)	\
61 	(vtpbc_configuration.vt_pci_membase + 0x00000000UL)
62 #define	CHIP_MEM_W1_BUS_END(v)		\
63 	(vtpbc_configuration.vt_pci_membase + 0x007fffffUL)
64 #define	CHIP_MEM_W1_SYS_START(v)	P4032_ISAMEM
65 #define	CHIP_MEM_W1_SYS_END(v)		(P4032_ISAMEM + CHIP_MEM_W1_BUS_END(v))
66 
67 /* MEM region 2 */
68 #define	CHIP_MEM_W2_BUS_START(v)	\
69 	(vtpbc_configuration.vt_pci_membase + 0x01000000UL)
70 #define	CHIP_MEM_W2_BUS_END(v)		\
71 	(vtpbc_configuration.vt_pci_membase + 0x07ffffffUL)
72 #define	CHIP_MEM_W2_SYS_START(v)	P4032_PCIMEM
73 #define	CHIP_MEM_W2_SYS_END(v)		(P4032_PCIMEM + 0x06ffffffUL)
74 
75 #if 0 /* XXX Should implement access to this via TLB or 64-bit KSEG */
76 /* MEM region 3 */
77 #define	CHIP_MEM_W3_BUS_START(v)	0x20000000UL
78 #define	CHIP_MEM_W3_BUS_END(v)		0xffffffffUL
79 #define	CHIP_MEM_W3_SYS_START(v)	P4032_PCIMEM_HI
80 #define	CHIP_MEM_W3_SYS_END(v)		(P4032_PCIMEM_HI + 0xe0000000UL)
81 #endif
82 
83 #include <algor/pci/pci_alignstride_bus_mem_chipdep.c>
84