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      1 /* $NetBSD: dec_3000_300.c,v 1.50 2025/03/09 01:06:41 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 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 /*
     31  * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
     32  */
     33 
     34 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     35 
     36 __KERNEL_RCSID(0, "$NetBSD: dec_3000_300.c,v 1.50 2025/03/09 01:06:41 thorpej Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/device.h>
     41 #include <sys/termios.h>
     42 #include <sys/conf.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_300.h>
     51 
     52 #include <machine/z8530var.h>
     53 #include <dev/tc/zs_ioasicvar.h>
     54 
     55 #include "wsdisplay.h"
     56 
     57 void dec_3000_300_init(void);
     58 static void dec_3000_300_cons_init(void);
     59 static void dec_3000_300_device_register(device_t, void *);
     60 
     61 const struct alpha_variation_table dec_3000_300_variations[] = {
     62 	{ SV_ST_PELICAN, "DEC 3000/300 (\"Pelican\")" },
     63 	{ SV_ST_PELICA, "DEC 3000/300L (\"Pelica\")" },
     64 	{ SV_ST_PELICANPLUS, "DEC 3000/300X (\"Pelican+\")" },
     65 	{ SV_ST_PELICAPLUS, "DEC 3000/300LX (\"Pelica+\")" },
     66 	{ 0, NULL },
     67 };
     68 
     69 void
     70 dec_3000_300_init(void)
     71 {
     72 	uint64_t variation;
     73 
     74 	platform.family = "DEC 3000/300 (\"Pelican\")";
     75 
     76 	if ((platform.model = alpha_dsr_sysname()) == NULL) {
     77 		variation = hwrpb->rpb_variation & SV_ST_MASK;
     78 		if ((platform.model = alpha_variation_name(variation,
     79 		    dec_3000_300_variations)) == NULL)
     80 			platform.model = alpha_unknown_sysname();
     81 	}
     82 
     83 	platform.iobus = "tcasic";
     84 	platform.cons_init = dec_3000_300_cons_init;
     85 	platform.device_register = dec_3000_300_device_register;
     86 }
     87 
     88 static void
     89 dec_3000_300_cons_init(void)
     90 {
     91 	struct ctb *ctb;
     92 
     93 	ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
     94 
     95 	switch (ctb->ctb_term_type) {
     96 	case CTB_GRAPHICS:
     97 #if NWSDISPLAY > 0
     98 		/* display console ... */
     99 		if (zs_ioasic_lk201_cnattach(0x1a0000000, 0x00180000, 0) == 0 &&
    100 		    tc_3000_300_fb_cnattach(
    101 		     CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot)) == 0) {
    102 			break;
    103 		}
    104 #endif
    105 		printf("consinit: Unable to init console on keyboard and ");
    106 		printf("TURBOchannel slot 0x%lx.\n", ctb->ctb_turboslot);
    107 		printf("Using serial console.\n");
    108 		/* FALLTHROUGH */
    109 
    110 	case CTB_PRINTERPORT:
    111 		/* serial console ... */
    112 		/*
    113 		 * XXX This could stand some cleanup...
    114 		 */
    115 		{
    116 			/*
    117 			 * Delay to allow PROM putchars to complete.
    118 			 * FIFO depth * character time.
    119 			 * character time = (1000000 / (defaultrate / 10))
    120 			 */
    121 			DELAY(160000000 / 9600);	/* XXX */
    122 
    123 			/*
    124 			 * Console is channel B of the first SCC.
    125 			 * XXX Should use ctb_line_off to get the
    126 			 * XXX line parameters.
    127 			 */
    128 			zs_ioasic_cnattach(0x1a0000000, 0x00100000, 1);
    129 			break;
    130 		}
    131 
    132 	default:
    133 		printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
    134 		printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
    135 		panic("consinit: unknown console type %lu",
    136 		    ctb->ctb_term_type);
    137 		/* NOTREACHED */
    138 	}
    139 }
    140 
    141 static void
    142 dec_3000_300_device_register(device_t dev, void *aux)
    143 {
    144 	tc_find_bootdev(dev, aux);
    145 }
    146