1 /*	$NetBSD: if_cs_ofisa_machdep.c,v 1.14 2020/11/22 03:57:19 thorpej Exp $	*/
2 
3 /*
4  * Copyright 1998
5  * Digital Equipment Corporation. All rights reserved.
6  *
7  * This software is furnished under license and may be used and
8  * copied only in accordance with the following terms and conditions.
9  * Subject to these conditions, you may download, copy, install,
10  * use, modify and distribute this software in source and/or binary
11  * form. No title or ownership is transferred hereby.
12  *
13  * 1) Any source code used, modified or distributed must reproduce
14  *    and retain this copyright notice and list of conditions as
15  *    they appear in the source file.
16  *
17  * 2) No right is granted to use any trade name, trademark, or logo of
18  *    Digital Equipment Corporation. Neither the "Digital Equipment
19  *    Corporation" name nor any trademark or logo of Digital Equipment
20  *    Corporation may be used to endorse or promote products derived
21  *    from this software without the prior written permission of
22  *    Digital Equipment Corporation.
23  *
24  * 3) This software is provided "AS-IS" and any express or implied
25  *    warranties, including but not limited to, any implied warranties
26  *    of merchantability, fitness for a particular purpose, or
27  *    non-infringement are disclaimed. In no event shall DIGITAL be
28  *    liable for any damages whatsoever, and in particular, DIGITAL
29  *    shall not be liable for special, indirect, consequential, or
30  *    incidental damages or damages for lost profits, loss of
31  *    revenue or loss of use, whether such damages arise in contract,
32  *    negligence, tort, under statute, in equity, at law or otherwise,
33  *    even if advised of the possibility of such damage.
34  */
35 
36 /*
37  * WARNING: THIS FILE IS VERY SHARK-SPECIFIC!
38  */
39 
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_cs_ofisa_machdep.c,v 1.14 2020/11/22 03:57:19 thorpej Exp $");
42 
43 #include "opt_compat_old_ofw.h"
44 
45 #include <sys/param.h>
46 #include <sys/device.h>
47 #include <sys/systm.h>
48 #include <sys/kmem.h>
49 #include <sys/socket.h>
50 #include <sys/bus.h>
51 #include <sys/rndsource.h>
52 
53 #include <net/if.h>
54 #include <net/if_ether.h>
55 #include <net/if_media.h>
56 
57 #include <machine/intr.h>
58 
59 #include <dev/ofw/openfirm.h>
60 #include <dev/isa/isavar.h>
61 #include <dev/ofisa/ofisavar.h>
62 
63 #include <dev/ic/cs89x0reg.h>
64 #include <dev/ic/cs89x0var.h>
65 
66 #ifdef COMPAT_OLD_OFW
67 
68 int
cs_ofisa_md_match(device_t parent,cfdata_t cf,void * aux)69 cs_ofisa_md_match(device_t parent, cfdata_t cf, void *aux)
70 {
71 	struct ofisa_attach_args *aa = aux;
72 	char type[64];
73 	char name[64];
74 	char model[64];
75 	char compatible[64];
76 	int rv;
77 
78 	rv = 0;
79 	if (1) {		/* XXX old firmware compat enabled */
80 		/* At a minimum, must match type and name properties. */
81 		if (OF_getprop(aa->oba.oba_phandle, "device_type", type,
82 		    sizeof(type)) < 0 || strcmp(type, "network") != 0 ||
83 		    OF_getprop(aa->oba.oba_phandle, "name", name,
84 		    sizeof(name)) < 0 || strcmp(name, "ethernet") != 0)
85 			return (0);
86 
87 		/* Full match on model. */
88 		if (OF_getprop(aa->oba.oba_phandle, "model", model,
89 		    sizeof(model)) > 0 && strcmp(model, "CS8900") == 0)
90 			rv = 3;
91 
92 		/* Check for compatible match. */
93 		if (OF_getprop(aa->oba.oba_phandle, "compatible", compatible,
94 		    sizeof(compatible)) > 0 && pmatch(compatible, "*CS8900*",
95 		    NULL) > 0)
96 			rv = 2;
97 	}
98 	return (rv);
99 }
100 
101 int
cs_ofisa_md_reg_fixup(device_t parent,device_t self,void * aux,struct ofisa_reg_desc * descp,int ndescs,int ndescsfilled)102 cs_ofisa_md_reg_fixup(device_t parent, device_t self, void *aux,
103     struct ofisa_reg_desc *descp, int ndescs, int ndescsfilled)
104 {
105 
106 	if (1) {		/* XXX old firmware compat enabled */
107 		/* We can't provide it. */
108 		if (ndescs != 2)
109 			return (ndescsfilled);
110 
111 		/* Firmware provided it. */
112 		if (ndescsfilled == 2)
113 			return (ndescsfilled);
114 
115 		descp[0].type = OFISA_REG_TYPE_IO;
116 		descp[0].addr = 0x300;
117 		descp[0].len  = CS8900_IOSIZE;
118 
119 		descp[1].type = OFISA_REG_TYPE_MEM;
120 		descp[1].addr = 0xd0000;
121 		descp[1].len  = 4096;
122 	}
123 	return (ndescsfilled);
124 }
125 
126 int
cs_ofisa_md_intr_fixup(device_t parent,device_t self,void * aux,struct ofisa_intr_desc * descp,int ndescs,int ndescsfilled)127 cs_ofisa_md_intr_fixup(device_t parent, device_t self, void *aux,
128     struct ofisa_intr_desc *descp, int ndescs, int ndescsfilled)
129 {
130 
131 	if (1)			/* XXX old firmware compat enabled */
132 	if (ndescs > 0 && ndescsfilled > 0)
133                 descp[0].share = IST_LEVEL;
134 	return (ndescsfilled);
135 }
136 
137 int *
cs_ofisa_md_media_fixup(device_t parent,device_t self,void * aux,int * media,int * nmediap,int * defmediap)138 cs_ofisa_md_media_fixup(device_t parent, device_t self, void *aux, int *media,
139     int *nmediap, int *defmediap)
140 {
141 
142 	if (1) {		/* XXX old firmware compat enabled */
143 		if (media == NULL) {
144 			media = kmem_alloc(2 * sizeof(int), KM_SLEEP);
145 			media[0] = IFM_ETHER | IFM_10_T;
146 			media[1] = IFM_ETHER | IFM_10_T | IFM_FDX;
147 			*nmediap = 2;
148 			*defmediap = media[0];
149 		}
150 	}
151 	return (media);
152 }
153 
154 int
cs_ofisa_md_dma_fixup(device_t parent,device_t self,void * aux,struct ofisa_dma_desc * descp,int ndescs,int ndescsfilled)155 cs_ofisa_md_dma_fixup(device_t parent, device_t self, void *aux,
156     struct ofisa_dma_desc *descp, int ndescs, int ndescsfilled)
157 {
158 	struct ofisa_attach_args *aa = aux;
159 
160 	if (ndescs > 0 && ndescsfilled > 0) {
161 		if (OF_getproplen(aa->oba.oba_phandle, "no-dma") >= 0)
162 			descp[0].drq = -1;
163 	}
164 	return (ndescsfilled);
165 }
166 
167 #endif /* COMPAT_OLD_OFW */
168 
169 int
cs_ofisa_md_cfgflags_fixup(device_t parent,device_t self,void * aux)170 cs_ofisa_md_cfgflags_fixup(device_t parent, device_t self, void *aux)
171 {
172 
173 	return (CFGFLG_USE_SA | CFGFLG_IOCHRDY | CFGFLG_NOT_EEPROM);
174 }
175