Home | History | Annotate | Line # | Download | only in arc 
      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 (at) 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
     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