xref: /openbsd/sys/arch/loongson/include/autoconf.h (revision 3485d230)
1 /*	$OpenBSD: autoconf.h,v 1.13 2016/12/11 07:57:14 visa Exp $ */
2 
3 /*
4  * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
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
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  */
28 
29 /*
30  * Definitions used by autoconfiguration.
31  */
32 
33 #ifndef _MACHINE_AUTOCONF_H_
34 #define _MACHINE_AUTOCONF_H_
35 
36 #include <machine/bus.h>
37 
38 struct bonito_config;
39 struct mips_isa_chipset;
40 
41 /*
42  * List of legacy I/O ranges.
43  */
44 struct legacy_io_range {
45 	bus_addr_t	start;
46 	bus_size_t	end;	/* inclusive */
47 };
48 
49 /*
50  * Per platform information.
51  */
52 struct platform {
53 	int				 system_type;
54 #define	LOONGSON_2E		0x0000	/* Generic Loongson 2E system */
55 #define	LOONGSON_YEELOONG	0x0001	/* Lemote Yeeloong */
56 #define	LOONGSON_GDIUM		0x0002	/* EMTEC Gdium Liberty */
57 #define	LOONGSON_FULOONG	0x0003	/* Lemote Fuloong */
58 #define	LOONGSON_LYNLOONG	0x0004	/* Lemote Lynloong */
59 #define	LOONGSON_EBT700		0x0005	/* eBenton EBT700 */
60 #define	LOONGSON_3A		0x0066	/* Loongson 2Gq or 3A based system */
61 
62 	char				*vendor;
63 	char				*product;
64 
65 	const struct bonito_config	*bonito_config;
66 	struct mips_isa_chipset		*isa_chipset;
67 	const struct legacy_io_range	*legacy_io_ranges;
68 
69 	void				(*setup)(void);
70 	void				(*device_register)(struct device *,
71 					    void *);
72 
73 	void				(*powerdown)(void);
74 	void				(*reset)(void);
75 	int				(*suspend)(void);
76 	int				(*resume)(void);
77 };
78 
79 #define LOONGSON_MAXCPUS	16
80 
81 extern const struct platform *sys_platform;
82 extern uint loongson_cpumask;
83 extern uint loongson_ver;
84 extern int nnodes;
85 
86 struct mainbus_attach_args {
87 	const char	*maa_name;
88 };
89 
90 extern struct device *bootdv;
91 extern char bootdev[];
92 extern enum devclass bootdev_class;
93 
94 extern bus_space_tag_t early_mem_t;
95 extern bus_space_tag_t early_io_t;
96 
97 #define	REGVAL8(x)	*((volatile uint8_t *)PHYS_TO_XKPHYS((x), CCA_NC))
98 #define	REGVAL32(x)	*((volatile uint32_t *)PHYS_TO_XKPHYS((x), CCA_NC))
99 #define	REGVAL64(x)	*((volatile uint64_t *)PHYS_TO_XKPHYS((x), CCA_NC))
100 
101 #define	REGVAL(x)	REGVAL32(x)
102 
103 #include <mips64/autoconf.h>
104 
105 #endif /* _MACHINE_AUTOCONF_H_ */
106