xref: /netbsd-src/sys/arch/alpha/pci/dwlpx_bus_mem.c (revision 7663c1deeb1a1eb7d0b8d5910c6bd0391fee5692)
1 /* $NetBSD: dwlpx_bus_mem.c,v 1.16 2023/12/04 00:32:10 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1997 by Matthew Jacob
5  * NASA AMES Research Center.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice immediately at the beginning of the file, without modification,
13  *    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 the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
34 
35 __KERNEL_RCSID(1, "$NetBSD: dwlpx_bus_mem.c,v 1.16 2023/12/04 00:32:10 thorpej Exp $");
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/syslog.h>
40 #include <sys/device.h>
41 
42 #include <sys/bus.h>
43 
44 #include <alpha/pci/dwlpxreg.h>
45 #include <alpha/pci/dwlpxvar.h>
46 
47 #define	CHIP		dwlpx
48 
49 #define	CHIP_D_MEM_ARENA(v)		\
50 	(((struct dwlpx_config *)(v))->cc_d_mem_arena)
51 #define	CHIP_D_MEM_ARENA_STORE(v)	\
52 	(&(((struct dwlpx_config *)(v))->cc_d_mem_arena_store))
53 #define	CHIP_D_MEM_BTAG_STORE(v)	\
54 	(((struct dwlpx_config *)(v))->cc_d_mem_btag_store)
55 #define	CHIP_D_MEM_BTAG_COUNT(v)	DWLPX_D_MEM_NBTS
56 
57 #define	CHIP_S_MEM_ARENA(v)		\
58 	(((struct dwlpx_config *)(v))->cc_s_mem_arena)
59 #define	CHIP_S_MEM_ARENA_STORE(v)	\
60 	(&(((struct dwlpx_config *)(v))->cc_s_mem_arena_store))
61 #define	CHIP_S_MEM_BTAG_STORE(v)	\
62 	(((struct dwlpx_config *)(v))->cc_s_mem_btag_store)
63 #define	CHIP_S_MEM_BTAG_COUNT(v)	DWLPX_S_MEM_NBTS
64 
65 /* Dense region 1 */
66 #define	CHIP_D_MEM_W1_BUS_START(v)	0x00000000UL
67 #define	CHIP_D_MEM_W1_BUS_END(v)	0xffffffffUL
68 #define	CHIP_D_MEM_W1_SYS_START(v)					\
69 	(((struct dwlpx_config *)(v))->cc_sysbase | DWLPX_PCI_DENSE)
70 #define	CHIP_D_MEM_W1_SYS_END(v)					\
71 	(CHIP_D_MEM_W1_SYS_START(v) + 0xffffffffUL)
72 
73 /* Sparse region 1 */
74 #define	CHIP_S_MEM_W1_BUS_START(v)	0x00000000UL
75 #define	CHIP_S_MEM_W1_BUS_END(v)	0x00ffffffUL
76 #define	CHIP_S_MEM_W1_SYS_START(v)					\
77 	(((struct dwlpx_config *)(v))->cc_sysbase | DWLPX_PCI_SPARSE)
78 #define	CHIP_S_MEM_W1_SYS_END(v)					\
79 	(CHIP_S_MEM_W1_SYS_START(v) + ((CHIP_S_MEM_W1_BUS_END(v) + 1) << 5) - 1)
80 
81 /* Sparse region 2 */
82 #define	CHIP_S_MEM_W2_BUS_START(v)					\
83 	(((0x0 << 27) & 0xf8000000) + 0x01000000UL)
84 #define	CHIP_S_MEM_W2_BUS_END(v)					\
85 	(CHIP_S_MEM_W2_BUS_START(v) + 0x07ffffffUL)
86 #define	CHIP_S_MEM_W2_SYS_START(v)					\
87 	((((struct dwlpx_config *)(v))->cc_sysbase|DWLPX_PCI_SPARSE) +	\
88 	    (0x01000000UL<<5))
89 #define	CHIP_S_MEM_W2_SYS_END(v)					\
90 	((((struct dwlpx_config *)(v))->cc_sysbase|DWLPX_PCI_SPARSE) +	\
91 	    (0x08000000UL<<5) - 1)
92 
93 #include <alpha/pci/pci_swiz_bus_mem_chipdep.c>
94