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      1 /* $NetBSD: dec_3000_500.c,v 1.49 2025/03/09 01:06:41 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 /*
     30  * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
     31  */
     32 
     33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     34 
     35 __KERNEL_RCSID(0, "$NetBSD: dec_3000_500.c,v 1.49 2025/03/09 01:06:41 thorpej Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/device.h>
     40 #include <sys/termios.h>
     41 #include <sys/conf.h>
     42 #include <dev/cons.h>
     43 
     44 #include <machine/rpb.h>
     45 #include <machine/autoconf.h>
     46 #include <machine/cpuconf.h>
     47 
     48 #include <dev/tc/tcvar.h>
     49 #include <dev/tc/tcdsvar.h>
     50 #include <alpha/tc/tc_3000_500.h>
     51 
     52 #include <machine/z8530var.h>
     53 #include <dev/tc/zs_ioasicvar.h>
     54 
     55 #include "wsdisplay.h"
     56 
     57 void dec_3000_500_init(void);
     58 static void dec_3000_500_cons_init(void);
     59 static void dec_3000_500_device_register(device_t, void *);
     60 
     61 static const char dec_3000_500_sp[] = "DEC 3000/400 (\"Sandpiper\")";
     62 static const char dec_3000_500_sf[] = "DEC 3000/500 (\"Flamingo\")";
     63 
     64 const struct alpha_variation_table dec_3000_500_variations[] = {
     65 	{ SV_ST_SANDPIPER, dec_3000_500_sp },
     66 	{ SV_ST_FLAMINGO, dec_3000_500_sf },
     67 	{ SV_ST_HOTPINK, "DEC 3000/500X (\"Hot Pink\")" },
     68 	{ SV_ST_FLAMINGOPLUS, "DEC 3000/800 (\"Flamingo+\")" },
     69 	{ SV_ST_SANDPLUS, "DEC 3000/600 (\"Sandpiper+\")" },
     70 	{ SV_ST_SANDPIPER45, "DEC 3000/700 (\"Sandpiper45\")" },
     71 	{ SV_ST_FLAMINGO45, "DEC 3000/900 (\"Flamingo45\")" },
     72 	{ 0, NULL },
     73 };
     74 
     75 void
     76 dec_3000_500_init(void)
     77 {
     78 	uint64_t variation;
     79 
     80 	platform.family = "DEC 3000/500 (\"Flamingo\")";
     81 
     82 	if ((platform.model = alpha_dsr_sysname()) == NULL) {
     83 		variation = hwrpb->rpb_variation & SV_ST_MASK;
     84 		if (variation == SV_ST_ULTRA) {
     85 			/* These are really the same. */
     86 			variation = SV_ST_FLAMINGOPLUS;
     87 		}
     88 		if ((platform.model = alpha_variation_name(variation,
     89 		    dec_3000_500_variations)) == NULL) {
     90 			/*
     91 			 * This is how things used to be done.
     92 			 */
     93 			if (variation == SV_ST_RESERVED) {
     94 				if (hwrpb->rpb_variation & SV_GRAPHICS)
     95 					platform.model = dec_3000_500_sf;
     96 				else
     97 					platform.model = dec_3000_500_sp;
     98 			} else
     99 				platform.model = alpha_unknown_sysname();
    100 		}
    101 	}
    102 
    103 	platform.iobus = "tcasic";
    104 	platform.cons_init = dec_3000_500_cons_init;
    105 	platform.device_register = dec_3000_500_device_register;
    106 }
    107 
    108 static void
    109 dec_3000_500_cons_init(void)
    110 {
    111 	struct ctb *ctb;
    112 
    113 	ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
    114 
    115 	switch (ctb->ctb_term_type) {
    116 	case CTB_GRAPHICS:
    117 #if NWSDISPLAY > 0
    118 		/* display console ... */
    119 		if (zs_ioasic_lk201_cnattach(0x1e0000000, 0x00180000, 0) == 0 &&
    120 		    tc_3000_500_fb_cnattach(
    121 		     CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot)) == 0) {
    122 			break;
    123 		}
    124 #endif
    125 		printf("consinit: Unable to init console on keyboard and ");
    126 		printf("TURBOchannel slot 0x%lx.\n", ctb->ctb_turboslot);
    127 		printf("Using serial console.\n");
    128 		/* FALLTHROUGH */
    129 
    130 	case CTB_PRINTERPORT:
    131 		/* serial console ... */
    132 		/*
    133 		 * XXX This could stand some cleanup...
    134 		 */
    135 		{
    136 			/*
    137 			 * Delay to allow PROM putchars to complete.
    138 			 * FIFO depth * character time,
    139 			 * character time = (1000000 / (defaultrate / 10))
    140 			 */
    141 			DELAY(160000000 / 9600);	/* XXX */
    142 
    143 			/*
    144 			 * Console is channel B of the second SCC.
    145 			 * XXX Should use ctb_line_off to get the
    146 			 * XXX line parameters--these are the defaults.
    147 			 */
    148 			zs_ioasic_cnattach(0x1e0000000, 0x00180000, 1);
    149 			break;
    150 		}
    151 
    152 	default:
    153 		printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
    154 		printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
    155 		panic("consinit: unknown console type %lu",
    156 		    ctb->ctb_term_type);
    157 		/* NOTREACHED */
    158 	}
    159 }
    160 
    161 static void
    162 dec_3000_500_device_register(device_t dev, void *aux)
    163 {
    164 	tc_find_bootdev(dev, aux);
    165 }
    166