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1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
95dad9b3 | 37 | #if defined(CONFIG_ARN5206) |
1da177e4 LT |
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 | ||
95dad9b3 | 46 | #if defined(CONFIG_M5206eC3) |
1da177e4 LT |
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 | ||
95dad9b3 | 63 | #if defined(CONFIG_M5307C3) |
1da177e4 LT |
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 | ||
95dad9b3 | 105 | #if defined(CONFIG_ARN5307) |
1da177e4 LT |
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 | ||
95dad9b3 | 114 | #if defined(CONFIG_M5407C3) |
1da177e4 LT |
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 | */ | |
1da177e4 LT |
165 | #define NE2000_PTR(addr) ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr)) |
166 | #define NE2000_DATA_PTR(addr) (addr) | |
1da177e4 LT |
167 | |
168 | ||
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 | ||
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 | ||
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 | ||
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 | ||
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 | ||
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 | ||
243 | #ifdef COLDFIRE_NE2000_FUNCS | |
244 | ||
245 | /* | |
246 | * Lastly the interrupt set up code... | |
247 | * Minor differences between the different board types. | |
248 | */ | |
249 | ||
95dad9b3 | 250 | #if defined(CONFIG_ARN5206) |
1da177e4 LT |
251 | void ne2000_irqsetup(int irq) |
252 | { | |
253 | volatile unsigned char *icrp; | |
254 | ||
255 | icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4); | |
256 | *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2; | |
257 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4); | |
258 | } | |
259 | #endif | |
260 | ||
95dad9b3 | 261 | #if defined(CONFIG_M5206eC3) |
1da177e4 LT |
262 | void ne2000_irqsetup(int irq) |
263 | { | |
264 | volatile unsigned char *icrp; | |
265 | ||
266 | icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4); | |
267 | *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC; | |
268 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4); | |
269 | } | |
270 | #endif | |
271 | ||
1da177e4 LT |
272 | #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel) |
273 | void ne2000_irqsetup(int irq) | |
274 | { | |
275 | mcf_autovector(irq); | |
276 | } | |
277 | #endif | |
278 | ||
279 | #if defined(CONFIG_M5272) && defined(CONFIG_NETtel) | |
280 | void ne2000_irqsetup(int irq) | |
281 | { | |
282 | volatile unsigned long *icrp; | |
283 | volatile unsigned long *pitr; | |
284 | ||
285 | /* The NE2000 device uses external IRQ3 */ | |
286 | icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1); | |
287 | *icrp = (*icrp & 0x77077777) | 0x00d00000; | |
288 | ||
289 | pitr = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PITR); | |
290 | *pitr = *pitr | 0x20000000; | |
291 | } | |
292 | ||
293 | void ne2000_irqack(int irq) | |
294 | { | |
295 | volatile unsigned long *icrp; | |
296 | ||
297 | /* The NE2000 device uses external IRQ3 */ | |
298 | icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1); | |
299 | *icrp = (*icrp & 0x77777777) | 0x00800000; | |
300 | } | |
301 | #endif | |
302 | ||
303 | #if defined(CONFIG_M5307) || defined(CONFIG_M5407) | |
304 | #if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) | |
305 | ||
306 | void ne2000_irqsetup(int irq) | |
307 | { | |
308 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3); | |
309 | mcf_autovector(irq); | |
310 | } | |
311 | ||
312 | #else | |
313 | ||
314 | void ne2000_irqsetup(int irq) | |
315 | { | |
316 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3); | |
317 | } | |
318 | ||
319 | #endif /* ! CONFIG_NETtel || CONFIG_SECUREEDGEMP3 */ | |
320 | #endif /* CONFIG_M5307 || CONFIG_M5407 */ | |
321 | ||
322 | #endif /* COLDFIRE_NE2000_FUNCS */ | |
323 | ||
324 | /****************************************************************************/ | |
325 | #endif /* mcfne_h */ |