src/devices/dev_turbochannel.c

/*
 *  Copyright (C) 2003-2006  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: dev_turbochannel.c,v 1.46 2006/01/01 13:17:17 debug Exp $
 *  
 *  Generic framework for TURBOchannel devices, used in DECstation machines.
 */

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

#include "devices.h"
#include "machine.h"
#include "memory.h"
#include "misc.h"
#include "sfbreg.h"


#define DEVICE_NAME_BUFLEN              9
#define CARD_NAME_BUFLEN                9
#define CARD_FIRMWARE_BUFLEN            5

struct turbochannel_data {
        int             slot_nr;
        uint64_t        baseaddr;
        uint64_t        endaddr;
        int             irq;

        int             rom_skip;

        char            device_name[DEVICE_NAME_BUFLEN];  /*  NUL-terminated  */

        /*  These should be terminated with spaces  */
        char            card_firmware_version[CARD_NAME_BUFLEN];
        char            card_vendor_name[CARD_NAME_BUFLEN];
        char            card_module_name[CARD_NAME_BUFLEN];
        char            card_firmware_type[CARD_FIRMWARE_BUFLEN];
};


/*
 *  dev_turbochannel_access():
 */
DEVICE_ACCESS(turbochannel)
{
        struct turbochannel_data *d = extra;
        uint64_t idata = 0, odata = 0;

        if (writeflag == MEM_WRITE)
                idata = memory_readmax64(cpu, data, len);

        relative_addr += d->rom_skip;

        if (writeflag == MEM_READ) {
                debug("[ turbochannel: read from slot %i addr 0x%08lx (",
                    d->slot_nr, (long)relative_addr);

                relative_addr &= 0x7fff;

                switch (relative_addr) {
                case 0x3e0:
                        odata = 0x00000001; debug("ROM width");
                        break;
                case 0x3e4:
                        odata = 0x00000004; debug("ROM stride");
                        break;
                case 0x3e8:
                        /*  8KB * romsize  */
                        odata = 0x00000001; debug("ROM size");
                        break;
                case 0x3ec:
                        /*  4MB * slotsize  */
                        odata = 0x00000001; debug("slot size");
                        break;
                case 0x3f0:
                        odata = 0x55555555; debug("ROM signature byte 0");
                        break;
                case 0x3f4:
                        odata = 0x00000000; debug("ROM signature byte 1");
                        break;
                case 0x3f8:
                        odata = 0xaaaaaaaa; debug("ROM signature byte 2");
                        break;
                case 0x3fc:
                        odata = 0xffffffff; debug("ROM signature byte 3");
                        break;
                case 0x470:
                        /*  0=nothing, 1=parity  */
                        odata = 0x00000000; debug("flags"); break;
                default:
                        if (relative_addr >= 0x400 && relative_addr < 0x420)
                                odata = d->card_firmware_version[
                                    (relative_addr-0x400)/4];
                        else if (relative_addr >= 0x420 &&
                            relative_addr < 0x440)
                                odata = d->card_vendor_name[
                                    (relative_addr-0x420)/4];
                        else if (relative_addr >= 0x440 &&
                            relative_addr < 0x460)
                                odata = d->card_module_name[
                                    (relative_addr-0x440)/4];
                        else if (relative_addr >= 0x460 &&
                            relative_addr < 0x470)
                                odata = d->card_firmware_type[
                                    (relative_addr-0x460)/4];
                        else {
                                debug("?");
                        }
                }

                /*
                 *  If this slot is empty, return an error so that a DBE
                 *  exception is caused. (This is the way DECstation operating
                 *  systems have to detect the absence of cards in a
                 *  TURBOchannel slot.)
                 *
                 *  NOTE:  The Sprite kernel reads from offsets 0x3e0..0x400
                 *  without handling the DBE exception, and both Ultrix and
                 *  NetBSD seem to detect the DBE exception using addresses
                 *  around offset 0x0 or 0x3c0000.  This code seems to work
                 *  with all of the those OS kernels:
                 */
                if (d->card_module_name[0] ==  ' ') {
                        /*  Return no data for empty slot:  */
                        odata = 0;

                        /*  Return DBE exception in some cases:  */
                        if (relative_addr < 0x3e0 || relative_addr >= 0x500)
                                return 0;
                }

                debug(") ]\n");
        } else {
                /*  debug("[ turbochannel: write to  0x%08lx: 0x%08x ]\n",
                    (long)relative_addr, (int)idata);  */
        }

        if (writeflag == MEM_READ)
                memory_writemax64(cpu, data, len, odata);

        return 1;
}


/*
 *  dev_turbochannel_init():
 *
 *  This is a generic turbochannel card device.  device_name should point
 *  to a string such as "PMAG-BA".
 *
 *  TODO: When running for example dual-head, maybe the name of each
 *        framebuffer should include the card slot number?
 */
void dev_turbochannel_init(struct machine *machine, struct memory *mem,
        int slot_nr, uint64_t baseaddr, uint64_t endaddr,
        char *device_name, int irq)
{
        struct vfb_data *fb;
        struct turbochannel_data *d;
        int rom_offset=0x3c0000, rom_length=DEV_TURBOCHANNEL_LEN, rom_skip=0;
        char *name2;
        size_t nlen;

        if (device_name == NULL)
                return;

        if (strlen(device_name) > 8) {
                fprintf(stderr, "dev_turbochannel_init(): bad device_name\n");
                exit(1);
        }

        d = malloc(sizeof(struct turbochannel_data));
        if (d == NULL) {
                fprintf(stderr, "out of memory\n");
                exit(1);
        }
        memset(d, 0, sizeof(struct turbochannel_data));
        d->slot_nr  = slot_nr;
        d->baseaddr = baseaddr;
        d->endaddr  = endaddr;
        d->irq      = irq;

        strlcpy(d->device_name, device_name, DEVICE_NAME_BUFLEN);

        strncpy(d->card_firmware_version, "V5.3a   ", CARD_NAME_BUFLEN);
        strncpy(d->card_vendor_name,      "DEC     ", CARD_NAME_BUFLEN);
        strncpy(d->card_firmware_type,    "TCF0", CARD_FIRMWARE_BUFLEN);

        memset(d->card_module_name, ' ', 8);
        memcpy(d->card_module_name, device_name, strlen(device_name));

        /*
         *  According to NetBSD/pmax:
         *
         *  PMAD-AA:  le1 at tc0 slot 2 offset 0x0: address 00:00:00:00:00:00
         *  PMAG-AA:  mfb0 at tc0 slot 2 offset 0x0: 1280x1024x8
         *  PMAG-BA:  cfb0 at tc0 slot 2 offset 0x0cfb0: 1024x864x8
         *  PMAG-CA:  px0 at tc0 slot 2 offset 0x0: 2D, 4x1 stamp, 8 plane
         *      (PMAG-DA,EA,FA,FB are also pixelstamps)
         *  PMAG-DV:  xcfb0 at tc0 slot 2 offset 0x0: 1024x768x8
         *  PMAG-JA:  "truecolor" in Ultrix
         *  PMAGB-BA: sfb0 at tc0 slot 0 offset 0x0: 0x0x8
         *  PMAGB-VA: sfb0 at tc0 slot 2 offset 0x0: 0x0x8
         *  PMAZ-AA:  asc0 at tc0 slot 2 offset 0x0: NCR53C94, 25MHz, SCSI ID 7
         *
         *  PMAF-FA:  fta0 at tc0 slot 0  (fddi network, "DEC", "V1.0b")
         */

        if (strcmp(device_name, "PMAD-AA")==0) {
                /*  le in NetBSD, Lance ethernet  */
                dev_le_init(machine, mem, baseaddr, 0, 0, irq, DEV_LE_LENGTH);
                /*  One ROM at 0x1c03e0, and one at 0x3c0000.  */
                rom_skip = 0x300;
                rom_offset = 0x1c0000;
                rom_length = 0x201000;
        } else if (strcmp(device_name, "PMAZ-AA")==0) {
                /*  asc in NetBSD, SCSI  */
                dev_asc_init(machine, mem, baseaddr, irq, d,
                    DEV_ASC_DEC, NULL, NULL);
                rom_offset = 0xc0000;
                /*  There is a copy at 0x0, at least that's where Linux
                    looks for the rom signature  */
        } else if (strcmp(device_name, "PMAG-AA")==0) {
                /*  mfb in NetBSD  */
                fb = dev_fb_init(machine, mem, baseaddr + VFB_MFB_VRAM,
                    VFB_GENERIC, 1280, 1024, 2048, 1024, 8, device_name);
                /*  bt455 = palette, bt431 = cursor  */
                dev_bt455_init(mem, baseaddr + VFB_MFB_BT455, fb);
                dev_bt431_init(mem, baseaddr + VFB_MFB_BT431, fb, 8);
                rom_offset = 0;
        } else if (strcmp(device_name, "PMAG-BA")==0) {
                /*  cfb in NetBSD  */
                fb = dev_fb_init(machine, mem, baseaddr, VFB_GENERIC,
                    1024,864, 1024,1024,8, device_name);
                dev_bt459_init(machine, mem, baseaddr + VFB_CFB_BT459,
                    baseaddr + 0x300000, fb, 8, irq, BT459_BA);
                /*  ROM at both 0x380000 and 0x3c0000?  */
                rom_offset = 0x380000;
                rom_length = 0x080000;
        } else if (strcmp(device_name, "PMAGB-BA")==0) {
                /*  sfb in NetBSD  */
                /*  TODO: This is not working with Ultrix yet.  */
                fb = dev_fb_init(machine, mem, baseaddr + SFB_OFFSET_VRAM,
                    VFB_GENERIC, 1280,1024, 1280,1024,8, device_name);
                dev_sfb_init(machine, mem, baseaddr + SFB_ASIC_OFFSET, fb);
                /*  TODO: the CLEAR doesn't get through, as the address
                        range is already in use by the asic  */
                dev_bt459_init(machine, mem, baseaddr + SFB_OFFSET_BT459,
                    baseaddr + SFB_CLEAR, fb, 8, irq, BT459_BBA);
                rom_offset = 0x0;       /*  ? TODO  */
        } else if (strcmp(device_name, "PMAG-CA")==0) {
                /*  px in NetBSD  */
                dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PX, irq);
                rom_offset = 0x3c0000;
        } else if (strcmp(device_name, "PMAG-DA")==0) {
                /*  pxg in NetBSD  */
                dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PXG, irq);
                rom_offset = 0x3c0000;
        } else if (strcmp(device_name, "PMAG-EA")==0) {
                /*  pxg+ in NetBSD: TODO  (not supported by the kernel
                    I've tried)  */
                fatal("TODO (see dev_turbochannel.c)\n");
                rom_offset = 0x3c0000;
        } else if (strcmp(device_name, "PMAG-FA")==0) {
                /*  "pxg+ Turbo" in NetBSD  */
                dev_px_init(machine, mem, baseaddr,
                    DEV_PX_TYPE_PXGPLUSTURBO, irq);
                rom_offset = 0x3c0000;
        } else if (strcmp(device_name, "PMAG-DV")==0) {
                /*  xcfb in NetBSD: TODO  */
                fb = dev_fb_init(machine, mem, baseaddr + 0x2000000,
                    VFB_DEC_MAXINE, 0, 0, 0, 0, 0, "PMAG-DV");
                /*  TODO:  not yet usable, needs a IMS332 vdac  */
                rom_offset = 0x3c0000;
        } else if (strcmp(device_name, "PMAG-JA")==0) {
                /*  "Truecolor", mixed 8- and 24-bit  */
                dev_pmagja_init(machine, mem, baseaddr, irq);
                rom_offset = 0;         /*  NOTE: 0, not 0x3c0000  */
        } else if (strcmp(device_name, "PMAG-RO")==0) {
                /*  This works at least B/W in Ultrix, so far.  */
                fb = dev_fb_init(machine, mem, baseaddr + 0x200000,
                    VFB_GENERIC, 1280,1024, 1280,1024, 8, "PMAG-RO");
                /*  TODO: bt463 at offset 0x040000, not bt459  */
                dev_bt459_init(machine, mem, baseaddr + 0x40000, 0,
                    fb, 8, irq, 0);             /*  TODO: type  */
                dev_bt431_init(mem, baseaddr + 0x40010, fb, 8);  /*  cursor  */
                rom_offset = 0x3c0000;
        } else if (device_name[0] == '\0') {
                /*  If this slot is empty, then occupy the entire
                    4MB slot address range:  */
                rom_offset = 0;
                rom_length = 4*1048576;
        } else {
                fatal("warning: unknown TURBOchannel device name \"%s\"\n",
                    device_name);
        }

        d->rom_skip = rom_skip;

        nlen = strlen(device_name) + 30;
        name2 = malloc(nlen);
        if (name2 == NULL) {
                fprintf(stderr, "out of memory in dev_turbochannel_init()\n");
                exit(1);
        }
        if (*device_name)
                snprintf(name2, nlen, "turbochannel [%s]", device_name);
        else
                snprintf(name2, nlen, "turbochannel");

        memory_device_register(mem, name2, baseaddr + rom_offset + rom_skip,
            rom_length-rom_skip, dev_turbochannel_access, d, DM_DEFAULT, NULL);
}

1	dpavlin	4	/*
2	dpavlin	22	* Copyright (C) 2003-2006 Anders Gavare. All rights reserved.
3	dpavlin	4	*
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	dpavlin	22	* $Id: dev_turbochannel.c,v 1.46 2006/01/01 13:17:17 debug Exp $
29	dpavlin	4	*
30			* Generic framework for TURBOchannel devices, used in DECstation machines.
31			*/
32
33			#include <stdio.h>
34			#include <stdlib.h>
35			#include <string.h>
36
37			#include "devices.h"
38			#include "machine.h"
39			#include "memory.h"
40			#include "misc.h"
41			#include "sfbreg.h"
42
43
44	dpavlin	10	#define DEVICE_NAME_BUFLEN 9
45			#define CARD_NAME_BUFLEN 9
46			#define CARD_FIRMWARE_BUFLEN 5
47
48	dpavlin	4	struct turbochannel_data {
49			int slot_nr;
50			uint64_t baseaddr;
51			uint64_t endaddr;
52			int irq;
53
54			int rom_skip;
55
56	dpavlin	10	char device_name[DEVICE_NAME_BUFLEN]; /* NUL-terminated */
57	dpavlin	4
58			/* These should be terminated with spaces */
59	dpavlin	10	char card_firmware_version[CARD_NAME_BUFLEN];
60			char card_vendor_name[CARD_NAME_BUFLEN];
61			char card_module_name[CARD_NAME_BUFLEN];
62			char card_firmware_type[CARD_FIRMWARE_BUFLEN];
63	dpavlin	4	};
64
65
66			/*
67			* dev_turbochannel_access():
68			*/
69	dpavlin	22	DEVICE_ACCESS(turbochannel)
70	dpavlin	4	{
71			struct turbochannel_data *d = extra;
72			uint64_t idata = 0, odata = 0;
73
74	dpavlin	18	if (writeflag == MEM_WRITE)
75			idata = memory_readmax64(cpu, data, len);
76	dpavlin	4
77			relative_addr += d->rom_skip;
78
79			if (writeflag == MEM_READ) {
80			debug("[ turbochannel: read from slot %i addr 0x%08lx (",
81			d->slot_nr, (long)relative_addr);
82
83			relative_addr &= 0x7fff;
84
85			switch (relative_addr) {
86			case 0x3e0:
87			odata = 0x00000001; debug("ROM width");
88			break;
89			case 0x3e4:
90			odata = 0x00000004; debug("ROM stride");
91			break;
92			case 0x3e8:
93			/* 8KB * romsize */
94			odata = 0x00000001; debug("ROM size");
95			break;
96			case 0x3ec:
97			/* 4MB * slotsize */
98			odata = 0x00000001; debug("slot size");
99			break;
100			case 0x3f0:
101			odata = 0x55555555; debug("ROM signature byte 0");
102			break;
103			case 0x3f4:
104			odata = 0x00000000; debug("ROM signature byte 1");
105			break;
106			case 0x3f8:
107			odata = 0xaaaaaaaa; debug("ROM signature byte 2");
108			break;
109			case 0x3fc:
110			odata = 0xffffffff; debug("ROM signature byte 3");
111			break;
112			case 0x470:
113			/* 0=nothing, 1=parity */
114			odata = 0x00000000; debug("flags"); break;
115			default:
116			if (relative_addr >= 0x400 && relative_addr < 0x420)
117			odata = d->card_firmware_version[
118			(relative_addr-0x400)/4];
119			else if (relative_addr >= 0x420 &&
120			relative_addr < 0x440)
121			odata = d->card_vendor_name[
122			(relative_addr-0x420)/4];
123			else if (relative_addr >= 0x440 &&
124			relative_addr < 0x460)
125			odata = d->card_module_name[
126			(relative_addr-0x440)/4];
127			else if (relative_addr >= 0x460 &&
128			relative_addr < 0x470)
129			odata = d->card_firmware_type[
130			(relative_addr-0x460)/4];
131			else {
132			debug("?");
133			}
134			}
135
136			/*
137			* If this slot is empty, return an error so that a DBE
138			* exception is caused. (This is the way DECstation operating
139			* systems have to detect the absence of cards in a
140			* TURBOchannel slot.)
141			*
142			* NOTE: The Sprite kernel reads from offsets 0x3e0..0x400
143			* without handling the DBE exception, and both Ultrix and
144			* NetBSD seem to detect the DBE exception using addresses
145			* around offset 0x0 or 0x3c0000. This code seems to work
146			* with all of the those OS kernels:
147			*/
148			if (d->card_module_name[0] == ' ') {
149			/* Return no data for empty slot: */
150			odata = 0;
151
152			/* Return DBE exception in some cases: */
153			if (relative_addr < 0x3e0 \|\| relative_addr >= 0x500)
154			return 0;
155			}
156
157			debug(") ]\n");
158			} else {
159			/* debug("[ turbochannel: write to 0x%08lx: 0x%08x ]\n",
160			(long)relative_addr, (int)idata); */
161			}
162
163			if (writeflag == MEM_READ)
164			memory_writemax64(cpu, data, len, odata);
165
166			return 1;
167			}
168
169
170			/*
171			* dev_turbochannel_init():
172			*
173			* This is a generic turbochannel card device. device_name should point
174			* to a string such as "PMAG-BA".
175			*
176			* TODO: When running for example dual-head, maybe the name of each
177			* framebuffer should include the card slot number?
178			*/
179			void dev_turbochannel_init(struct machine machine, struct memory mem,
180			int slot_nr, uint64_t baseaddr, uint64_t endaddr,
181			char *device_name, int irq)
182			{
183			struct vfb_data *fb;
184			struct turbochannel_data *d;
185	dpavlin	10	int rom_offset=0x3c0000, rom_length=DEV_TURBOCHANNEL_LEN, rom_skip=0;
186	dpavlin	4	char *name2;
187	dpavlin	10	size_t nlen;
188	dpavlin	4
189			if (device_name == NULL)
190			return;
191
192			if (strlen(device_name) > 8) {
193			fprintf(stderr, "dev_turbochannel_init(): bad device_name\n");
194			exit(1);
195			}
196
197			d = malloc(sizeof(struct turbochannel_data));
198			if (d == NULL) {
199			fprintf(stderr, "out of memory\n");
200			exit(1);
201			}
202			memset(d, 0, sizeof(struct turbochannel_data));
203			d->slot_nr = slot_nr;
204			d->baseaddr = baseaddr;
205			d->endaddr = endaddr;
206			d->irq = irq;
207
208	dpavlin	10	strlcpy(d->device_name, device_name, DEVICE_NAME_BUFLEN);
209	dpavlin	4
210	dpavlin	10	strncpy(d->card_firmware_version, "V5.3a ", CARD_NAME_BUFLEN);
211			strncpy(d->card_vendor_name, "DEC ", CARD_NAME_BUFLEN);
212			strncpy(d->card_firmware_type, "TCF0", CARD_FIRMWARE_BUFLEN);
213	dpavlin	4
214			memset(d->card_module_name, ' ', 8);
215	dpavlin	10	memcpy(d->card_module_name, device_name, strlen(device_name));
216	dpavlin	4
217			/*
218			* According to NetBSD/pmax:
219			*
220			* PMAD-AA: le1 at tc0 slot 2 offset 0x0: address 00:00:00:00:00:00
221			* PMAG-AA: mfb0 at tc0 slot 2 offset 0x0: 1280x1024x8
222			* PMAG-BA: cfb0 at tc0 slot 2 offset 0x0cfb0: 1024x864x8
223			* PMAG-CA: px0 at tc0 slot 2 offset 0x0: 2D, 4x1 stamp, 8 plane
224			* (PMAG-DA,EA,FA,FB are also pixelstamps)
225			* PMAG-DV: xcfb0 at tc0 slot 2 offset 0x0: 1024x768x8
226			* PMAG-JA: "truecolor" in Ultrix
227			* PMAGB-BA: sfb0 at tc0 slot 0 offset 0x0: 0x0x8
228			* PMAGB-VA: sfb0 at tc0 slot 2 offset 0x0: 0x0x8
229			* PMAZ-AA: asc0 at tc0 slot 2 offset 0x0: NCR53C94, 25MHz, SCSI ID 7
230			*
231			* PMAF-FA: fta0 at tc0 slot 0 (fddi network, "DEC", "V1.0b")
232			*/
233
234			if (strcmp(device_name, "PMAD-AA")==0) {
235			/* le in NetBSD, Lance ethernet */
236			dev_le_init(machine, mem, baseaddr, 0, 0, irq, DEV_LE_LENGTH);
237			/* One ROM at 0x1c03e0, and one at 0x3c0000. */
238			rom_skip = 0x300;
239			rom_offset = 0x1c0000;
240			rom_length = 0x201000;
241			} else if (strcmp(device_name, "PMAZ-AA")==0) {
242			/* asc in NetBSD, SCSI */
243			dev_asc_init(machine, mem, baseaddr, irq, d,
244			DEV_ASC_DEC, NULL, NULL);
245			rom_offset = 0xc0000;
246			/* There is a copy at 0x0, at least that's where Linux
247			looks for the rom signature */
248			} else if (strcmp(device_name, "PMAG-AA")==0) {
249			/* mfb in NetBSD */
250			fb = dev_fb_init(machine, mem, baseaddr + VFB_MFB_VRAM,
251	dpavlin	12	VFB_GENERIC, 1280, 1024, 2048, 1024, 8, device_name);
252	dpavlin	4	/* bt455 = palette, bt431 = cursor */
253			dev_bt455_init(mem, baseaddr + VFB_MFB_BT455, fb);
254			dev_bt431_init(mem, baseaddr + VFB_MFB_BT431, fb, 8);
255			rom_offset = 0;
256			} else if (strcmp(device_name, "PMAG-BA")==0) {
257			/* cfb in NetBSD */
258			fb = dev_fb_init(machine, mem, baseaddr, VFB_GENERIC,
259	dpavlin	12	1024,864, 1024,1024,8, device_name);
260	dpavlin	4	dev_bt459_init(machine, mem, baseaddr + VFB_CFB_BT459,
261			baseaddr + 0x300000, fb, 8, irq, BT459_BA);
262			/* ROM at both 0x380000 and 0x3c0000? */
263			rom_offset = 0x380000;
264			rom_length = 0x080000;
265			} else if (strcmp(device_name, "PMAGB-BA")==0) {
266			/* sfb in NetBSD */
267			/* TODO: This is not working with Ultrix yet. */
268			fb = dev_fb_init(machine, mem, baseaddr + SFB_OFFSET_VRAM,
269	dpavlin	12	VFB_GENERIC, 1280,1024, 1280,1024,8, device_name);
270	dpavlin	4	dev_sfb_init(machine, mem, baseaddr + SFB_ASIC_OFFSET, fb);
271			/* TODO: the CLEAR doesn't get through, as the address
272			range is already in use by the asic */
273			dev_bt459_init(machine, mem, baseaddr + SFB_OFFSET_BT459,
274			baseaddr + SFB_CLEAR, fb, 8, irq, BT459_BBA);
275			rom_offset = 0x0; /* ? TODO */
276			} else if (strcmp(device_name, "PMAG-CA")==0) {
277			/* px in NetBSD */
278			dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PX, irq);
279			rom_offset = 0x3c0000;
280			} else if (strcmp(device_name, "PMAG-DA")==0) {
281			/* pxg in NetBSD */
282			dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PXG, irq);
283			rom_offset = 0x3c0000;
284			} else if (strcmp(device_name, "PMAG-EA")==0) {
285			/* pxg+ in NetBSD: TODO (not supported by the kernel
286			I've tried) */
287			fatal("TODO (see dev_turbochannel.c)\n");
288			rom_offset = 0x3c0000;
289			} else if (strcmp(device_name, "PMAG-FA")==0) {
290			/* "pxg+ Turbo" in NetBSD */
291			dev_px_init(machine, mem, baseaddr,
292			DEV_PX_TYPE_PXGPLUSTURBO, irq);
293			rom_offset = 0x3c0000;
294			} else if (strcmp(device_name, "PMAG-DV")==0) {
295			/* xcfb in NetBSD: TODO */
296			fb = dev_fb_init(machine, mem, baseaddr + 0x2000000,
297	dpavlin	12	VFB_DEC_MAXINE, 0, 0, 0, 0, 0, "PMAG-DV");
298	dpavlin	4	/* TODO: not yet usable, needs a IMS332 vdac */
299			rom_offset = 0x3c0000;
300			} else if (strcmp(device_name, "PMAG-JA")==0) {
301			/* "Truecolor", mixed 8- and 24-bit */
302			dev_pmagja_init(machine, mem, baseaddr, irq);
303			rom_offset = 0; /* NOTE: 0, not 0x3c0000 */
304			} else if (strcmp(device_name, "PMAG-RO")==0) {
305			/* This works at least B/W in Ultrix, so far. */
306			fb = dev_fb_init(machine, mem, baseaddr + 0x200000,
307	dpavlin	12	VFB_GENERIC, 1280,1024, 1280,1024, 8, "PMAG-RO");
308	dpavlin	4	/* TODO: bt463 at offset 0x040000, not bt459 */
309			dev_bt459_init(machine, mem, baseaddr + 0x40000, 0,
310			fb, 8, irq, 0); /* TODO: type */
311			dev_bt431_init(mem, baseaddr + 0x40010, fb, 8); /* cursor */
312			rom_offset = 0x3c0000;
313			} else if (device_name[0] == '\0') {
314			/* If this slot is empty, then occupy the entire
315			4MB slot address range: */
316			rom_offset = 0;
317			rom_length = 4*1048576;
318			} else {
319			fatal("warning: unknown TURBOchannel device name \"%s\"\n",
320			device_name);
321			}
322
323			d->rom_skip = rom_skip;
324
325	dpavlin	10	nlen = strlen(device_name) + 30;
326			name2 = malloc(nlen);
327	dpavlin	4	if (name2 == NULL) {
328			fprintf(stderr, "out of memory in dev_turbochannel_init()\n");
329			exit(1);
330			}
331			if (*device_name)
332	dpavlin	10	snprintf(name2, nlen, "turbochannel [%s]", device_name);
333	dpavlin	4	else
334	dpavlin	10	snprintf(name2, nlen, "turbochannel");
335	dpavlin	4
336			memory_device_register(mem, name2, baseaddr + rom_offset + rom_skip,
337	dpavlin	20	rom_length-rom_skip, dev_turbochannel_access, d, DM_DEFAULT, NULL);
338	dpavlin	4	}
339