platform description for MIPS Magnum (Microsoft-Jazz).

tested by myself on a NEC Magnum derived machine.

sys/arch/arc/arc/p_ms_jazz.c

@@ -0,0 +1,122 @@
+/*	$NetBSD: p_ms_jazz.c,v 1.1 2001/06/13 15:28:23 soda Exp $	*/
+/*	$OpenBSD: picabus.c,v 1.11 1999/01/11 05:11:10 millert Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * Author: Per Fogelstrom. (Mips R4x00)
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <sys/param.h>
+
+#include <machine/autoconf.h>
+#include <machine/platform.h>
+
+#include <arc/jazz/pica.h>
+#include <arc/jazz/jazziovar.h>
+
+#include "com.h"
+
+#include "asc.h"
+#if NASC > 0
+#include <arc/jazz/ascreg.h>
+#include <arc/jazz/ascvar.h>
+#endif
+
+/* MAGNUM. NEC goes here too. */
+
+#ifndef COM_FREQ_MAGNUM
+#if 0
+#define COM_FREQ_MAGNUM	4233600 /* 4.2336MHz - ARC? */
+#else
+#define COM_FREQ_MAGNUM	8192000	/* 8.192 MHz - NEC RISCstation M402 */
+#endif
+#endif /* COM_FREQ_MAGNUM */
+
+#if NASC > 0
+struct asc_config asc_ms_jazz_conf = {
+	&asc_timing_40mhz,
+
+	/* only if EPL is FE (Feature Enable bit for 53CF94) */
+	ASC_CNFG3_FCLK, /* clock 40MHz */
+};
+#endif
+
+void p_ms_jazz_init __P((void));
+
+struct platform platform_microsoft_jazz = {
+	"Microsoft-Jazz",
+	"MIPS MAG",
+	"",
+	"Magnum",
+	"MIPS",
+	150, /* MHz */
+	c_jazz_eisa_mainbusdevs,
+	platform_generic_match,
+	p_ms_jazz_init,
+	c_jazz_eisa_cons_init,
+	jazzio_reset,
+	c_magnum_set_intr,
+};
+
+/*
+ * jazzio bus configuration
+ */
+
+struct pica_dev mips_magnum_r4000_cpu[] = {
+	{{ "timer",	-1, 0, },	(void *)R4030_SYS_IT_VALUE, },
+	{{ "dallas_rtc", -1, 0, },	(void *)PICA_SYS_CLOCK, },
+	{{ "lpt",	0, 0, },	(void *)PICA_SYS_PAR1, },
+	{{ "fdc",	1, 0, },	(void *)PICA_SYS_FLOPPY, },
+	{{ "MAGNUM",	2, 0, },	(void *)PICA_SYS_SOUND,},
+	{{ "VXL",	3, 0, },	(void *)PICA_V_LOCAL_VIDEO, },
+	{{ "sonic",	4, 0, },	(void *)PICA_SYS_SONIC, },
+	{{ "asc",	5, 0, },	(void *)PICA_SYS_SCSI, },
+	{{ "pckbd",	6, 0, },	(void *)PICA_SYS_KBD, },
+	{{ "pms",	7, 0, },	(void *)PICA_SYS_KBD, },
+	{{ "com",	8, 0, },	(void *)PICA_SYS_COM1, },
+	{{ "com",	9, 0, },	(void *)PICA_SYS_COM2, },
+	{{ NULL,	-1, 0, },	(void *)NULL, },
+};
+
+/*
+ * critial i/o space, interrupt, and other chipset related initialization.
+ */
+void
+p_ms_jazz_init()
+{
+	c_magnum_init();
+
+	/* jazzio bus configuration */
+	jazzio_devconfig = mips_magnum_r4000_cpu;
+
+#if NASC > 0
+	asc_conf = &asc_ms_jazz_conf;
+#endif
+
+#if NCOM > 0
+	com_freq = COM_FREQ_MAGNUM;
+#endif
+}