src/devices/dev_turbochannel.c

/*
 *  Copyright (C) 2003-2007  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: dev_turbochannel.c,v 1.50 2007/06/15 19:57:34 debug Exp $
 *  
 *  COMMENT: TURBOchannel bus framework, 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_MAX_NAMELEN              9
#define CARD_NAME_BUFLEN                9
#define CARD_FIRMWARE_BUFLEN            5

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

        int             rom_skip;

        char            device_name[DEVICE_MAX_NAMELEN];  /*  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];
};


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, char *irq_path)
{
        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);
        }

        CHECK_ALLOCATION(d = malloc(sizeof(struct turbochannel_data)));
        memset(d, 0, sizeof(struct turbochannel_data));

        d->slot_nr  = slot_nr;
        d->baseaddr = baseaddr;
        d->endaddr  = endaddr;

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

        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_path, 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_path, 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_path, 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_path, 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_path);
                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_path);
                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_path);
                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_path);
                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_path, 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;
        CHECK_ALLOCATION(name2 = malloc(nlen));

        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	/*
2	* Copyright (C) 2003-2007 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: dev_turbochannel.c,v 1.50 2007/06/15 19:57:34 debug Exp $
29	*
30	* COMMENT: TURBOchannel bus framework, 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	#define DEVICE_MAX_NAMELEN 9
45	#define CARD_NAME_BUFLEN 9
46	#define CARD_FIRMWARE_BUFLEN 5
47
48	struct turbochannel_data {
49	int slot_nr;
50	uint64_t baseaddr;
51	uint64_t endaddr;
52
53	int rom_skip;
54
55	char device_name[DEVICE_MAX_NAMELEN]; /* NUL-terminated */
56
57	/* These should be terminated with spaces */
58	char card_firmware_version[CARD_NAME_BUFLEN];
59	char card_vendor_name[CARD_NAME_BUFLEN];
60	char card_module_name[CARD_NAME_BUFLEN];
61	char card_firmware_type[CARD_FIRMWARE_BUFLEN];
62	};
63
64
65	DEVICE_ACCESS(turbochannel)
66	{
67	struct turbochannel_data *d = extra;
68	uint64_t idata = 0, odata = 0;
69
70	if (writeflag == MEM_WRITE)
71	idata = memory_readmax64(cpu, data, len);
72
73	relative_addr += d->rom_skip;
74
75	if (writeflag == MEM_READ) {
76	debug("[ turbochannel: read from slot %i addr 0x%08lx (",
77	d->slot_nr, (long)relative_addr);
78
79	relative_addr &= 0x7fff;
80
81	switch (relative_addr) {
82	case 0x3e0:
83	odata = 0x00000001; debug("ROM width");
84	break;
85	case 0x3e4:
86	odata = 0x00000004; debug("ROM stride");
87	break;
88	case 0x3e8:
89	/* 8KB * romsize */
90	odata = 0x00000001; debug("ROM size");
91	break;
92	case 0x3ec:
93	/* 4MB * slotsize */
94	odata = 0x00000001; debug("slot size");
95	break;
96	case 0x3f0:
97	odata = 0x55555555; debug("ROM signature byte 0");
98	break;
99	case 0x3f4:
100	odata = 0x00000000; debug("ROM signature byte 1");
101	break;
102	case 0x3f8:
103	odata = 0xaaaaaaaa; debug("ROM signature byte 2");
104	break;
105	case 0x3fc:
106	odata = 0xffffffff; debug("ROM signature byte 3");
107	break;
108	case 0x470:
109	/* 0=nothing, 1=parity */
110	odata = 0x00000000; debug("flags"); break;
111	default:
112	if (relative_addr >= 0x400 && relative_addr < 0x420)
113	odata = d->card_firmware_version[
114	(relative_addr-0x400)/4];
115	else if (relative_addr >= 0x420 &&
116	relative_addr < 0x440)
117	odata = d->card_vendor_name[
118	(relative_addr-0x420)/4];
119	else if (relative_addr >= 0x440 &&
120	relative_addr < 0x460)
121	odata = d->card_module_name[
122	(relative_addr-0x440)/4];
123	else if (relative_addr >= 0x460 &&
124	relative_addr < 0x470)
125	odata = d->card_firmware_type[
126	(relative_addr-0x460)/4];
127	else {
128	debug("?");
129	}
130	}
131
132	/*
133	* If this slot is empty, return an error so that a DBE
134	* exception is caused. (This is the way DECstation operating
135	* systems have to detect the absence of cards in a
136	* TURBOchannel slot.)
137	*
138	* NOTE: The Sprite kernel reads from offsets 0x3e0..0x400
139	* without handling the DBE exception, and both Ultrix and
140	* NetBSD seem to detect the DBE exception using addresses
141	* around offset 0x0 or 0x3c0000. This code seems to work
142	* with all of the those OS kernels:
143	*/
144	if (d->card_module_name[0] == ' ') {
145	/* Return no data for empty slot: */
146	odata = 0;
147
148	/* Return DBE exception in some cases: */
149	if (relative_addr < 0x3e0 \|\| relative_addr >= 0x500)
150	return 0;
151	}
152
153	debug(") ]\n");
154	} else {
155	/* debug("[ turbochannel: write to 0x%08lx: 0x%08x ]\n",
156	(long)relative_addr, (int)idata); */
157	}
158
159	if (writeflag == MEM_READ)
160	memory_writemax64(cpu, data, len, odata);
161
162	return 1;
163	}
164
165
166	/*
167	* dev_turbochannel_init():
168	*
169	* This is a generic turbochannel card device. device_name should point
170	* to a string such as "PMAG-BA".
171	*
172	* TODO: When running for example dual-head, maybe the name of each
173	* framebuffer should include the card slot number?
174	*/
175	void dev_turbochannel_init(struct machine machine, struct memory mem,
176	int slot_nr, uint64_t baseaddr, uint64_t endaddr,
177	char device_name, char irq_path)
178	{
179	struct vfb_data *fb;
180	struct turbochannel_data *d;
181	int rom_offset=0x3c0000, rom_length=DEV_TURBOCHANNEL_LEN, rom_skip=0;
182	char *name2;
183	size_t nlen;
184
185	if (device_name == NULL)
186	return;
187
188	if (strlen(device_name) > 8) {
189	fprintf(stderr, "dev_turbochannel_init(): bad device_name\n");
190	exit(1);
191	}
192
193	CHECK_ALLOCATION(d = malloc(sizeof(struct turbochannel_data)));
194	memset(d, 0, sizeof(struct turbochannel_data));
195
196	d->slot_nr = slot_nr;
197	d->baseaddr = baseaddr;
198	d->endaddr = endaddr;
199
200	strlcpy(d->device_name, device_name, DEVICE_MAX_NAMELEN);
201
202	strncpy(d->card_firmware_version, "V5.3a ", CARD_NAME_BUFLEN);
203	strncpy(d->card_vendor_name, "DEC ", CARD_NAME_BUFLEN);
204	strncpy(d->card_firmware_type, "TCF0", CARD_FIRMWARE_BUFLEN);
205
206	memset(d->card_module_name, ' ', 8);
207	memcpy(d->card_module_name, device_name, strlen(device_name));
208
209	/*
210	* According to NetBSD/pmax:
211	*
212	* PMAD-AA: le1 at tc0 slot 2 offset 0x0: address 00:00:00:00:00:00
213	* PMAG-AA: mfb0 at tc0 slot 2 offset 0x0: 1280x1024x8
214	* PMAG-BA: cfb0 at tc0 slot 2 offset 0x0cfb0: 1024x864x8
215	* PMAG-CA: px0 at tc0 slot 2 offset 0x0: 2D, 4x1 stamp, 8 plane
216	* (PMAG-DA,EA,FA,FB are also pixelstamps)
217	* PMAG-DV: xcfb0 at tc0 slot 2 offset 0x0: 1024x768x8
218	* PMAG-JA: "truecolor" in Ultrix
219	* PMAGB-BA: sfb0 at tc0 slot 0 offset 0x0: 0x0x8
220	* PMAGB-VA: sfb0 at tc0 slot 2 offset 0x0: 0x0x8
221	* PMAZ-AA: asc0 at tc0 slot 2 offset 0x0: NCR53C94, 25MHz, SCSI ID 7
222	*
223	* PMAF-FA: fta0 at tc0 slot 0 (fddi network, "DEC", "V1.0b")
224	*/
225
226	if (strcmp(device_name, "PMAD-AA")==0) {
227	/* le in NetBSD, Lance ethernet */
228	dev_le_init(machine, mem, baseaddr, 0, 0,
229	irq_path, DEV_LE_LENGTH);
230	/* One ROM at 0x1c03e0, and one at 0x3c0000. */
231	rom_skip = 0x300;
232	rom_offset = 0x1c0000;
233	rom_length = 0x201000;
234	} else if (strcmp(device_name, "PMAZ-AA")==0) {
235	/* asc in NetBSD, SCSI */
236	dev_asc_init(machine, mem, baseaddr, irq_path, d,
237	DEV_ASC_DEC, NULL, NULL);
238	rom_offset = 0xc0000;
239	/* There is a copy at 0x0, at least that's where Linux
240	looks for the rom signature */
241	} else if (strcmp(device_name, "PMAG-AA")==0) {
242	/* mfb in NetBSD */
243	fb = dev_fb_init(machine, mem, baseaddr + VFB_MFB_VRAM,
244	VFB_GENERIC, 1280, 1024, 2048, 1024, 8, device_name);
245	/* bt455 = palette, bt431 = cursor */
246	dev_bt455_init(mem, baseaddr + VFB_MFB_BT455, fb);
247	dev_bt431_init(mem, baseaddr + VFB_MFB_BT431, fb, 8);
248	rom_offset = 0;
249	} else if (strcmp(device_name, "PMAG-BA")==0) {
250	/* cfb in NetBSD */
251	fb = dev_fb_init(machine, mem, baseaddr, VFB_GENERIC,
252	1024,864, 1024,1024,8, device_name);
253	dev_bt459_init(machine, mem, baseaddr + VFB_CFB_BT459,
254	baseaddr + 0x300000, fb, 8, irq_path, BT459_BA);
255	/* ROM at both 0x380000 and 0x3c0000? */
256	rom_offset = 0x380000;
257	rom_length = 0x080000;
258	} else if (strcmp(device_name, "PMAGB-BA")==0) {
259	/* sfb in NetBSD */
260	/* TODO: This is not working with Ultrix yet. */
261	fb = dev_fb_init(machine, mem, baseaddr + SFB_OFFSET_VRAM,
262	VFB_GENERIC, 1280,1024, 1280,1024,8, device_name);
263	dev_sfb_init(machine, mem, baseaddr + SFB_ASIC_OFFSET, fb);
264	/* TODO: the CLEAR doesn't get through, as the address
265	range is already in use by the asic */
266	dev_bt459_init(machine, mem, baseaddr + SFB_OFFSET_BT459,
267	baseaddr + SFB_CLEAR, fb, 8, irq_path, BT459_BBA);
268	rom_offset = 0x0; /* ? TODO */
269	} else if (strcmp(device_name, "PMAG-CA")==0) {
270	/* px in NetBSD */
271	dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PX, irq_path);
272	rom_offset = 0x3c0000;
273	} else if (strcmp(device_name, "PMAG-DA")==0) {
274	/* pxg in NetBSD */
275	dev_px_init(machine, mem, baseaddr, DEV_PX_TYPE_PXG, irq_path);
276	rom_offset = 0x3c0000;
277	} else if (strcmp(device_name, "PMAG-EA")==0) {
278	/* pxg+ in NetBSD: TODO (not supported by the kernel
279	I've tried) */
280	fatal("TODO (see dev_turbochannel.c)\n");
281	rom_offset = 0x3c0000;
282	} else if (strcmp(device_name, "PMAG-FA")==0) {
283	/* "pxg+ Turbo" in NetBSD */
284	dev_px_init(machine, mem, baseaddr,
285	DEV_PX_TYPE_PXGPLUSTURBO, irq_path);
286	rom_offset = 0x3c0000;
287	} else if (strcmp(device_name, "PMAG-DV")==0) {
288	/* xcfb in NetBSD: TODO */
289	fb = dev_fb_init(machine, mem, baseaddr + 0x2000000,
290	VFB_DEC_MAXINE, 0, 0, 0, 0, 0, "PMAG-DV");
291	/* TODO: not yet usable, needs a IMS332 vdac */
292	rom_offset = 0x3c0000;
293	} else if (strcmp(device_name, "PMAG-JA")==0) {
294	/* "Truecolor", mixed 8- and 24-bit */
295	dev_pmagja_init(machine, mem, baseaddr, irq_path);
296	rom_offset = 0; /* NOTE: 0, not 0x3c0000 */
297	} else if (strcmp(device_name, "PMAG-RO")==0) {
298	/* This works at least B/W in Ultrix, so far. */
299	fb = dev_fb_init(machine, mem, baseaddr + 0x200000,
300	VFB_GENERIC, 1280,1024, 1280,1024, 8, "PMAG-RO");
301	/* TODO: bt463 at offset 0x040000, not bt459 */
302	dev_bt459_init(machine, mem, baseaddr + 0x40000, 0,
303	fb, 8, irq_path, 0); /* TODO: type */
304	dev_bt431_init(mem, baseaddr + 0x40010, fb, 8); /* cursor */
305	rom_offset = 0x3c0000;
306	} else if (device_name[0] == '\0') {
307	/* If this slot is empty, then occupy the entire
308	4MB slot address range: */
309	rom_offset = 0;
310	rom_length = 4*1048576;
311	} else {
312	fatal("warning: unknown TURBOchannel device name \"%s\"\n",
313	device_name);
314	}
315
316	d->rom_skip = rom_skip;
317
318	nlen = strlen(device_name) + 30;
319	CHECK_ALLOCATION(name2 = malloc(nlen));
320
321	if (*device_name)
322	snprintf(name2, nlen, "turbochannel [%s]", device_name);
323	else
324	snprintf(name2, nlen, "turbochannel");
325
326	memory_device_register(mem, name2, baseaddr + rom_offset + rom_skip,
327	rom_length-rom_skip, dev_turbochannel_access, d, DM_DEFAULT, NULL);
328	}
329