xref: /netbsd-src/sys/arch/arc/arc/p_ms_jazz.c (revision e1901f8e741ea3b5b8d8c5647d1d7cce89170319)
1 /*	$NetBSD: p_ms_jazz.c,v 1.9 2011/03/06 14:58:42 tsutsui Exp $	*/
2 /*	$OpenBSD: picabus.c,v 1.11 1999/01/11 05:11:10 millert Exp $	*/
3 
4 /*
5  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  * Author: Per Fogelstrom. (Mips R4x00)
10  *
11  * Permission to use, copy, modify and distribute this software and
12  * its documentation is hereby granted, provided that both the copyright
13  * notice and this permission notice appear in all copies of the
14  * software, derivative works or modified versions, and any portions
15  * thereof, and that both notices appear in supporting documentation.
16  *
17  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
18  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
19  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
20  *
21  * Carnegie Mellon requests users of this software to return to
22  *
23  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
24  *  School of Computer Science
25  *  Carnegie Mellon University
26  *  Pittsburgh PA 15213-3890
27  *
28  * any improvements or extensions that they make and grant Carnegie the
29  * rights to redistribute these changes.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: p_ms_jazz.c,v 1.9 2011/03/06 14:58:42 tsutsui Exp $");
34 
35 #include <sys/param.h>
36 
37 #include <machine/autoconf.h>
38 #include <machine/platform.h>
39 
40 #include <arc/jazz/pica.h>
41 #include <arc/jazz/jazziovar.h>
42 
43 #include "com.h"
44 
45 /* MAGNUM. NEC goes here too. */
46 
47 #ifndef COM_FREQ_MAGNUM
48 #if 0
49 #define COM_FREQ_MAGNUM	4233600 /* 4.2336MHz - ARC? */
50 #else
51 #define COM_FREQ_MAGNUM	8192000	/* 8.192 MHz - NEC RISCstation M402 */
52 #endif
53 #endif /* COM_FREQ_MAGNUM */
54 
55 void p_ms_jazz_init(void);
56 
57 struct platform platform_microsoft_jazz = {
58 	"Microsoft-Jazz",
59 	"MIPS MAG",
60 	"",
61 	"Magnum",
62 	"MIPS",
63 	150, /* MHz */
64 	c_jazz_eisa_mainbusdevs,
65 	platform_generic_match,
66 	p_ms_jazz_init,
67 	c_jazz_eisa_cons_init,
68 	jazzio_reset,
69 	c_magnum_set_intr,
70 };
71 
72 /*
73  * jazzio bus configuration
74  */
75 
76 struct pica_dev mips_magnum_r4000_cpu[] = {
77 	{{ "timer",	-1, 0, },	(void *)R4030_SYS_IT_VALUE, },
78 	{{ "dallas_rtc", -1, 0, },	(void *)PICA_SYS_CLOCK, },
79 	{{ "LPT1",	0, 0, },	(void *)PICA_SYS_PAR1, },
80 	{{ "I82077",	1, 0, },	(void *)PICA_SYS_FLOPPY, },
81 	{{ "MAGNUM",	2, 0, },	(void *)PICA_SYS_SOUND,},
82 	{{ "VXL",	3, 0, },	(void *)PICA_V_LOCAL_VIDEO, },
83 	{{ "SONIC",	4, 0, },	(void *)PICA_SYS_SONIC, },
84 	{{ "ESP216",	5, 0, },	(void *)PICA_SYS_SCSI, },
85 	{{ "I8742",	6, 0, },	(void *)PICA_SYS_KBD, },
86 	{{ "pms",	7, 0, },	(void *)PICA_SYS_KBD, }, /* XXX */
87 	{{ "COM1",	8, 0, },	(void *)PICA_SYS_COM1, },
88 	{{ "COM2",	9, 0, },	(void *)PICA_SYS_COM2, },
89 	{{ NULL,	-1, 0, },	NULL, },
90 };
91 
92 /*
93  * critial i/o space, interrupt, and other chipset related initialization.
94  */
95 void
p_ms_jazz_init(void)96 p_ms_jazz_init(void)
97 {
98 
99 	c_magnum_init();
100 
101 	/* jazzio bus configuration */
102 	jazzio_devconfig = mips_magnum_r4000_cpu;
103 
104 #if NCOM > 0
105 	com_freq = COM_FREQ_MAGNUM;
106 #endif
107 }
108