1 /****************************************************************************/
2
3 /*
4 * mcfne.h -- NE2000 in ColdFire eval boards.
5 *
6 * (C) Copyright 1999-2000, Greg Ungerer (gerg@snapgear.com)
7 * (C) Copyright 2000, Lineo (www.lineo.com)
8 * (C) Copyright 2001, SnapGear (www.snapgear.com)
9 *
10 * 19990409 David W. Miller Converted from m5206ne.h for 5307 eval board
11 *
12 * Hacked support for m5206e Cadre III evaluation board
13 * Fred Stevens (fred.stevens@pemstar.com) 13 April 1999
14 */
15
16 /****************************************************************************/
17 #ifndef mcfne_h
18 #define mcfne_h
19 /****************************************************************************/
20
21
22 /*
23 * Support for NE2000 clones devices in ColdFire based boards.
24 * Not all boards address these parts the same way, some use a
25 * direct addressing method, others use a side-band address space
26 * to access odd address registers, some require byte swapping
27 * others do not.
28 */
29 #define BSWAP(w) (((w) << 8) | ((w) >> 8))
30 #define RSWAP(w) (w)
31
32
33 /*
34 * Define the basic hardware resources of NE2000 boards.
35 */
36
37 #if defined(CONFIG_ARN5206)
38 #define NE2000_ADDR 0x40000300
39 #define NE2000_ODDOFFSET 0x00010000
40 #define NE2000_IRQ_VECTOR 0xf0
41 #define NE2000_IRQ_PRIORITY 2
42 #define NE2000_IRQ_LEVEL 4
43 #define NE2000_BYTE volatile unsigned short
44 #endif
45
46 #if defined(CONFIG_M5206eC3)
47 #define NE2000_ADDR 0x40000300
48 #define NE2000_ODDOFFSET 0x00010000
49 #define NE2000_IRQ_VECTOR 0x1c
50 #define NE2000_IRQ_PRIORITY 2
51 #define NE2000_IRQ_LEVEL 4
52 #define NE2000_BYTE volatile unsigned short
53 #endif
54
55 #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
56 #define NE2000_ADDR 0x30000300
57 #define NE2000_IRQ_VECTOR 25
58 #define NE2000_IRQ_PRIORITY 1
59 #define NE2000_IRQ_LEVEL 3
60 #define NE2000_BYTE volatile unsigned char
61 #endif
62
63 #if defined(CONFIG_M5307C3)
64 #define NE2000_ADDR 0x40000300
65 #define NE2000_ODDOFFSET 0x00010000
66 #define NE2000_IRQ_VECTOR 0x1b
67 #define NE2000_BYTE volatile unsigned short
68 #endif
69
70 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
71 #define NE2000_ADDR 0x30600300
72 #define NE2000_ODDOFFSET 0x00008000
73 #define NE2000_IRQ_VECTOR 67
74 #undef BSWAP
75 #define BSWAP(w) (w)
76 #define NE2000_BYTE volatile unsigned short
77 #undef RSWAP
78 #define RSWAP(w) (((w) << 8) | ((w) >> 8))
79 #endif
80
81 #if defined(CONFIG_M5307) && defined(CONFIG_NETtel)
82 #define NE2000_ADDR0 0x30600300
83 #define NE2000_ADDR1 0x30800300
84 #define NE2000_ODDOFFSET 0x00008000
85 #define NE2000_IRQ_VECTOR0 27
86 #define NE2000_IRQ_VECTOR1 29
87 #undef BSWAP
88 #define BSWAP(w) (w)
89 #define NE2000_BYTE volatile unsigned short
90 #undef RSWAP
91 #define RSWAP(w) (((w) << 8) | ((w) >> 8))
92 #endif
93
94 #if defined(CONFIG_M5307) && defined(CONFIG_SECUREEDGEMP3)
95 #define NE2000_ADDR 0x30600300
96 #define NE2000_ODDOFFSET 0x00008000
97 #define NE2000_IRQ_VECTOR 27
98 #undef BSWAP
99 #define BSWAP(w) (w)
100 #define NE2000_BYTE volatile unsigned short
101 #undef RSWAP
102 #define RSWAP(w) (((w) << 8) | ((w) >> 8))
103 #endif
104
105 #if defined(CONFIG_ARN5307)
106 #define NE2000_ADDR 0xfe600300
107 #define NE2000_ODDOFFSET 0x00010000
108 #define NE2000_IRQ_VECTOR 0x1b
109 #define NE2000_IRQ_PRIORITY 2
110 #define NE2000_IRQ_LEVEL 3
111 #define NE2000_BYTE volatile unsigned short
112 #endif
113
114 #if defined(CONFIG_M5407C3)
115 #define NE2000_ADDR 0x40000300
116 #define NE2000_ODDOFFSET 0x00010000
117 #define NE2000_IRQ_VECTOR 0x1b
118 #define NE2000_BYTE volatile unsigned short
119 #endif
120
121 /****************************************************************************/
122
123 /*
124 * Side-band address space for odd address requires re-mapping
125 * many of the standard ISA access functions.
126 */
127 #ifdef NE2000_ODDOFFSET
128
129 #undef outb
130 #undef outb_p
131 #undef inb
132 #undef inb_p
133 #undef outsb
134 #undef outsw
135 #undef insb
136 #undef insw
137
138 #define outb ne2000_outb
139 #define inb ne2000_inb
140 #define outb_p ne2000_outb
141 #define inb_p ne2000_inb
142 #define outsb ne2000_outsb
143 #define outsw ne2000_outsw
144 #define insb ne2000_insb
145 #define insw ne2000_insw
146
147
148 #ifndef COLDFIRE_NE2000_FUNCS
149
150 void ne2000_outb(unsigned int val, unsigned int addr);
151 int ne2000_inb(unsigned int addr);
152 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len);
153 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len);
154 void ne2000_outsb(unsigned int addr, void *vbuf, unsigned long len);
155 void ne2000_outsw(unsigned int addr, void *vbuf, unsigned long len);
156
157 #else
158
159 /*
160 * This macro converts a conventional register address into the
161 * real memory pointer of the mapped NE2000 device.
162 * On most NE2000 implementations on ColdFire boards the chip is
163 * mapped in kinda funny, due to its ISA heritage.
164 */
165 #define NE2000_PTR(addr) ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr))
166 #define NE2000_DATA_PTR(addr) (addr)
167
168
ne2000_outb(unsigned int val,unsigned int addr)169 void ne2000_outb(unsigned int val, unsigned int addr)
170 {
171 NE2000_BYTE *rp;
172
173 rp = (NE2000_BYTE *) NE2000_PTR(addr);
174 *rp = RSWAP(val);
175 }
176
ne2000_inb(unsigned int addr)177 int ne2000_inb(unsigned int addr)
178 {
179 NE2000_BYTE *rp, val;
180
181 rp = (NE2000_BYTE *) NE2000_PTR(addr);
182 val = *rp;
183 return((int) ((NE2000_BYTE) RSWAP(val)));
184 }
185
ne2000_insb(unsigned int addr,void * vbuf,int unsigned long len)186 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len)
187 {
188 NE2000_BYTE *rp, val;
189 unsigned char *buf;
190
191 buf = (unsigned char *) vbuf;
192 rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
193 for (; (len > 0); len--) {
194 val = *rp;
195 *buf++ = RSWAP(val);
196 }
197 }
198
ne2000_insw(unsigned int addr,void * vbuf,unsigned long len)199 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len)
200 {
201 volatile unsigned short *rp;
202 unsigned short w, *buf;
203
204 buf = (unsigned short *) vbuf;
205 rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
206 for (; (len > 0); len--) {
207 w = *rp;
208 *buf++ = BSWAP(w);
209 }
210 }
211
ne2000_outsb(unsigned int addr,const void * vbuf,unsigned long len)212 void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len)
213 {
214 NE2000_BYTE *rp, val;
215 unsigned char *buf;
216
217 buf = (unsigned char *) vbuf;
218 rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
219 for (; (len > 0); len--) {
220 val = *buf++;
221 *rp = RSWAP(val);
222 }
223 }
224
ne2000_outsw(unsigned int addr,const void * vbuf,unsigned long len)225 void ne2000_outsw(unsigned int addr, const void *vbuf, unsigned long len)
226 {
227 volatile unsigned short *rp;
228 unsigned short w, *buf;
229
230 buf = (unsigned short *) vbuf;
231 rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
232 for (; (len > 0); len--) {
233 w = *buf++;
234 *rp = BSWAP(w);
235 }
236 }
237
238 #endif /* COLDFIRE_NE2000_FUNCS */
239 #endif /* NE2000_OFFOFFSET */
240
241 /****************************************************************************/
242 #endif /* mcfne_h */
243