src/machines/machine_mvme88k.c

/*
 *  Copyright (C) 2007  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *   
 *
 *  $Id: machine_mvme88k.c,v 1.11 2007/06/15 18:08:10 debug Exp $
 *
 *  COMMENT: MVME88K machines (MVME187)
 *
 *  This is for experiments with OpenBSD/mvme88k.
 *
 *  TODO: This is completely bogus so far. No devices exist yet.
 *
 *  MVME187 according to http://mcg.motorola.com/us/products/docs/pdf/187igd.pdf
 *  ("MVME187 RISC Single Board Computer Installation Guide"):
 *
 *      88100 MPU, two MC88200 or MC88204 CMMUs (one for data cache and
 *              one for instruction cache).
 *      82596CA LAN Ethernet
 *      53C710 SCSI
 *      CD2401 SCC SERIAL IO
 *      PRINTER PORT
 *      MK48T08 BBRAM & CLOCK
 *      EPROM
 *      VME bus
 *
 *  ... and more details from OpenBSD/mvme88k sources:
 *
 *      0xff800000 .. 0xffbfffff = BUG PROM
 *      0xffe00000 .. 0xffe1ffff = BUG SRAM
 *      0xfff40000 .. 0xfffeffff = OBIO (Local IO) space
 *      0xfff43000               = MEMC040 (Memory controller)
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "cpu.h"
#include "device.h"
#include "devices.h"
#include "machine.h"
#include "memory.h"
#include "misc.h"

#include "mvme187.h"
#include "mvme88k_vme.h"
#include "mvme_pcctworeg.h"


MACHINE_SETUP(mvme88k)
{
        char tmpstr[300];

        switch (machine->machine_subtype) {

        case MACHINE_MVME88K_187:
                machine->machine_name = "MVME187";

                /*  The mvme187 device contains 187-specific stuff, such
                    as motherboard registers, and the memory controller:  */
                device_add(machine, "mvme187");

                /*  PCC2 bus at 0xfff00000:  */
                snprintf(tmpstr, sizeof(tmpstr), "pcc2 addr=0x%x", PCC2_BASE);
                device_add(machine, tmpstr);

                /*  VME2 bus at 0xfff40000:  */
                snprintf(tmpstr, sizeof(tmpstr), "vme addr=0x%x", VME2_BASE);
                device_add(machine, tmpstr);

                /*  Cirrus Logic serial console at 0xfff45000:  */
                snprintf(tmpstr, sizeof(tmpstr),
                    "clmpcc addr=0x%x name2=cl0", 0xfff45000);
                machine->main_console_handle =
                    (size_t) device_add(machine, tmpstr);

                /*  MK48T08 clock/nvram at 0xfffc0000:  */
                snprintf(tmpstr, sizeof(tmpstr),
                    "mk48txx addr=0x%x", 0xfffc0000);
                device_add(machine, tmpstr);

                break;

        case MACHINE_MVME88K_188:
                machine->machine_name = "MVME188";
                break;

        case MACHINE_MVME88K_197:
                machine->machine_name = "MVME197";
                break;

        default:fatal("Unimplemented MVME88K machine subtype %i\n",
                    machine->machine_subtype);
                exit(1);
        }

        if (!machine->prom_emulation)
                return;


        mvmeprom_init(machine);

        /*
         *  Boot loader args, according to OpenBSD/mvme88k's locore.S:
         *
         *  r2 = boot flags
         *  r3 = boot controller physical address
         *  r4 = esym
         *  r5 = start of miniroot
         *  r6 = end of miniroot
         *  r7 = ((Clun << 8) | Dlun): encoded bootdev
         *  r8 = board type (0x187, 0x188, 0x197)
         */

        /*  Some address beyond the loaded kernel:  */
        cpu->cd.m88k.r[4] = 6 * 1048576;

        switch (machine->machine_subtype) {
        case MACHINE_MVME88K_187:  cpu->cd.m88k.r[8] = 0x187; break;
        case MACHINE_MVME88K_188:  cpu->cd.m88k.r[8] = 0x188; break;
        case MACHINE_MVME88K_197:  cpu->cd.m88k.r[8] = 0x197; break;
        }

        /*  TODO: r3 and r7 must be set correctly to let
            OpenBSD/mvme88k detect correct boot device.  */
}


MACHINE_DEFAULT_CPU(mvme88k)
{
        switch (machine->machine_subtype) {

        case MACHINE_MVME88K_187:
        case MACHINE_MVME88K_188:
                machine->cpu_name = strdup("88100");
                break;

        case MACHINE_MVME88K_197:
                machine->cpu_name = strdup("88110");
                break;

        default:fatal("Unimplemented MVME88K machine subtype %i\n",
                    machine->machine_subtype);
                exit(1);
        }
}


MACHINE_DEFAULT_RAM(mvme88k)
{
        machine->physical_ram_in_mb = 64;
}


MACHINE_REGISTER(mvme88k)
{
        MR_DEFAULT(mvme88k, "MVME88K", ARCH_M88K, MACHINE_MVME88K);

        machine_entry_add_alias(me, "mvme88k");

        machine_entry_add_subtype(me, "MVME187", MACHINE_MVME88K_187,
            "mvme187", NULL);

        machine_entry_add_subtype(me, "MVME188", MACHINE_MVME88K_188,
            "mvme188", NULL);

        machine_entry_add_subtype(me, "MVME197", MACHINE_MVME88K_197,
            "mvme197", NULL);

        me->set_default_ram = machine_default_ram_mvme88k;
}

1	/*
2	* Copyright (C) 2007 Anders Gavare. All rights reserved.
3	*
4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions are met:
6	*
7	* 1. Redistributions of source code must retain the above copyright
8	* notice, this list of conditions and the following disclaimer.
9	* 2. Redistributions in binary form must reproduce the above copyright
10	* notice, this list of conditions and the following disclaimer in the
11	* documentation and/or other materials provided with the distribution.
12	* 3. The name of the author may not be used to endorse or promote products
13	* derived from this software without specific prior written permission.
14	*
15	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25	* SUCH DAMAGE.
26	*
27	*
28	* $Id: machine_mvme88k.c,v 1.11 2007/06/15 18:08:10 debug Exp $
29	*
30	* COMMENT: MVME88K machines (MVME187)
31	*
32	* This is for experiments with OpenBSD/mvme88k.
33	*
34	* TODO: This is completely bogus so far. No devices exist yet.
35	*
36	* MVME187 according to http://mcg.motorola.com/us/products/docs/pdf/187igd.pdf
37	* ("MVME187 RISC Single Board Computer Installation Guide"):
38	*
39	* 88100 MPU, two MC88200 or MC88204 CMMUs (one for data cache and
40	* one for instruction cache).
41	* 82596CA LAN Ethernet
42	* 53C710 SCSI
43	* CD2401 SCC SERIAL IO
44	* PRINTER PORT
45	* MK48T08 BBRAM & CLOCK
46	* EPROM
47	* VME bus
48	*
49	* ... and more details from OpenBSD/mvme88k sources:
50	*
51	* 0xff800000 .. 0xffbfffff = BUG PROM
52	* 0xffe00000 .. 0xffe1ffff = BUG SRAM
53	* 0xfff40000 .. 0xfffeffff = OBIO (Local IO) space
54	* 0xfff43000 = MEMC040 (Memory controller)
55	*/
56
57	#include <stdio.h>
58	#include <stdlib.h>
59	#include <string.h>
60
61	#include "cpu.h"
62	#include "device.h"
63	#include "devices.h"
64	#include "machine.h"
65	#include "memory.h"
66	#include "misc.h"
67
68	#include "mvme187.h"
69	#include "mvme88k_vme.h"
70	#include "mvme_pcctworeg.h"
71
72
73	MACHINE_SETUP(mvme88k)
74	{
75	char tmpstr[300];
76
77	switch (machine->machine_subtype) {
78
79	case MACHINE_MVME88K_187:
80	machine->machine_name = "MVME187";
81
82	/* The mvme187 device contains 187-specific stuff, such
83	as motherboard registers, and the memory controller: */
84	device_add(machine, "mvme187");
85
86	/* PCC2 bus at 0xfff00000: */
87	snprintf(tmpstr, sizeof(tmpstr), "pcc2 addr=0x%x", PCC2_BASE);
88	device_add(machine, tmpstr);
89
90	/* VME2 bus at 0xfff40000: */
91	snprintf(tmpstr, sizeof(tmpstr), "vme addr=0x%x", VME2_BASE);
92	device_add(machine, tmpstr);
93
94	/* Cirrus Logic serial console at 0xfff45000: */
95	snprintf(tmpstr, sizeof(tmpstr),
96	"clmpcc addr=0x%x name2=cl0", 0xfff45000);
97	machine->main_console_handle =
98	(size_t) device_add(machine, tmpstr);
99
100	/* MK48T08 clock/nvram at 0xfffc0000: */
101	snprintf(tmpstr, sizeof(tmpstr),
102	"mk48txx addr=0x%x", 0xfffc0000);
103	device_add(machine, tmpstr);
104
105	break;
106
107	case MACHINE_MVME88K_188:
108	machine->machine_name = "MVME188";
109	break;
110
111	case MACHINE_MVME88K_197:
112	machine->machine_name = "MVME197";
113	break;
114
115	default:fatal("Unimplemented MVME88K machine subtype %i\n",
116	machine->machine_subtype);
117	exit(1);
118	}
119
120	if (!machine->prom_emulation)
121	return;
122
123
124	mvmeprom_init(machine);
125
126	/*
127	* Boot loader args, according to OpenBSD/mvme88k's locore.S:
128	*
129	* r2 = boot flags
130	* r3 = boot controller physical address
131	* r4 = esym
132	* r5 = start of miniroot
133	* r6 = end of miniroot
134	* r7 = ((Clun << 8) \| Dlun): encoded bootdev
135	* r8 = board type (0x187, 0x188, 0x197)
136	*/
137
138	/* Some address beyond the loaded kernel: */
139	cpu->cd.m88k.r[4] = 6 * 1048576;
140
141	switch (machine->machine_subtype) {
142	case MACHINE_MVME88K_187: cpu->cd.m88k.r[8] = 0x187; break;
143	case MACHINE_MVME88K_188: cpu->cd.m88k.r[8] = 0x188; break;
144	case MACHINE_MVME88K_197: cpu->cd.m88k.r[8] = 0x197; break;
145	}
146
147	/* TODO: r3 and r7 must be set correctly to let
148	OpenBSD/mvme88k detect correct boot device. */
149	}
150
151
152	MACHINE_DEFAULT_CPU(mvme88k)
153	{
154	switch (machine->machine_subtype) {
155
156	case MACHINE_MVME88K_187:
157	case MACHINE_MVME88K_188:
158	machine->cpu_name = strdup("88100");
159	break;
160
161	case MACHINE_MVME88K_197:
162	machine->cpu_name = strdup("88110");
163	break;
164
165	default:fatal("Unimplemented MVME88K machine subtype %i\n",
166	machine->machine_subtype);
167	exit(1);
168	}
169	}
170
171
172	MACHINE_DEFAULT_RAM(mvme88k)
173	{
174	machine->physical_ram_in_mb = 64;
175	}
176
177
178	MACHINE_REGISTER(mvme88k)
179	{
180	MR_DEFAULT(mvme88k, "MVME88K", ARCH_M88K, MACHINE_MVME88K);
181
182	machine_entry_add_alias(me, "mvme88k");
183
184	machine_entry_add_subtype(me, "MVME187", MACHINE_MVME88K_187,
185	"mvme187", NULL);
186
187	machine_entry_add_subtype(me, "MVME188", MACHINE_MVME88K_188,
188	"mvme188", NULL);
189
190	machine_entry_add_subtype(me, "MVME197", MACHINE_MVME88K_197,
191	"mvme197", NULL);
192
193	me->set_default_ram = machine_default_ram_mvme88k;
194	}
195