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Diffstat (limited to 'include/asm-m68knommu/mcfne.h')
-rw-r--r-- | include/asm-m68knommu/mcfne.h | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/include/asm-m68knommu/mcfne.h b/include/asm-m68knommu/mcfne.h new file mode 100644 index 000000000000..045875651e4d --- /dev/null +++ b/include/asm-m68knommu/mcfne.h | |||
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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 | #include <linux/config.h> | ||
22 | |||
23 | /* | ||
24 | * Support for NE2000 clones devices in ColdFire based boards. | ||
25 | * Not all boards address these parts the same way, some use a | ||
26 | * direct addressing method, others use a side-band address space | ||
27 | * to access odd address registers, some require byte swapping | ||
28 | * others do not. | ||
29 | */ | ||
30 | #define BSWAP(w) (((w) << 8) | ((w) >> 8)) | ||
31 | #define RSWAP(w) (w) | ||
32 | |||
33 | |||
34 | /* | ||
35 | * Define the basic hardware resources of NE2000 boards. | ||
36 | */ | ||
37 | |||
38 | #if defined(CONFIG_M5206) && defined(CONFIG_ARNEWSH) | ||
39 | #define NE2000_ADDR 0x40000300 | ||
40 | #define NE2000_ODDOFFSET 0x00010000 | ||
41 | #define NE2000_IRQ_VECTOR 0xf0 | ||
42 | #define NE2000_IRQ_PRIORITY 2 | ||
43 | #define NE2000_IRQ_LEVEL 4 | ||
44 | #define NE2000_BYTE volatile unsigned short | ||
45 | #endif | ||
46 | |||
47 | #if defined(CONFIG_M5206e) && defined(CONFIG_MOTOROLA) | ||
48 | #define NE2000_ADDR 0x40000300 | ||
49 | #define NE2000_ODDOFFSET 0x00010000 | ||
50 | #define NE2000_IRQ_VECTOR 0x1c | ||
51 | #define NE2000_IRQ_PRIORITY 2 | ||
52 | #define NE2000_IRQ_LEVEL 4 | ||
53 | #define NE2000_BYTE volatile unsigned short | ||
54 | #endif | ||
55 | |||
56 | #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel) | ||
57 | #define NE2000_ADDR 0x30000300 | ||
58 | #define NE2000_IRQ_VECTOR 25 | ||
59 | #define NE2000_IRQ_PRIORITY 1 | ||
60 | #define NE2000_IRQ_LEVEL 3 | ||
61 | #define NE2000_BYTE volatile unsigned char | ||
62 | #endif | ||
63 | |||
64 | #if defined(CONFIG_M5206e) && defined(CONFIG_CFV240) | ||
65 | #define NE2000_ADDR 0x40010000 | ||
66 | #define NE2000_ADDR1 0x40010001 | ||
67 | #define NE2000_ODDOFFSET 0x00000000 | ||
68 | #define NE2000_IRQ 1 | ||
69 | #define NE2000_IRQ_VECTOR 0x19 | ||
70 | #define NE2000_IRQ_PRIORITY 2 | ||
71 | #define NE2000_IRQ_LEVEL 1 | ||
72 | #define NE2000_BYTE volatile unsigned char | ||
73 | #endif | ||
74 | |||
75 | #if defined(CONFIG_M5307) && defined(CONFIG_MOTOROLA) | ||
76 | #define NE2000_ADDR 0x40000300 | ||
77 | #define NE2000_ODDOFFSET 0x00010000 | ||
78 | #define NE2000_IRQ_VECTOR 0x1b | ||
79 | #define NE2000_BYTE volatile unsigned short | ||
80 | #endif | ||
81 | |||
82 | #if defined(CONFIG_M5272) && defined(CONFIG_NETtel) | ||
83 | #define NE2000_ADDR 0x30600300 | ||
84 | #define NE2000_ODDOFFSET 0x00008000 | ||
85 | #define NE2000_IRQ_VECTOR 67 | ||
86 | #undef BSWAP | ||
87 | #define BSWAP(w) (w) | ||
88 | #define NE2000_BYTE volatile unsigned short | ||
89 | #undef RSWAP | ||
90 | #define RSWAP(w) (((w) << 8) | ((w) >> 8)) | ||
91 | #endif | ||
92 | |||
93 | #if defined(CONFIG_M5307) && defined(CONFIG_NETtel) | ||
94 | #define NE2000_ADDR0 0x30600300 | ||
95 | #define NE2000_ADDR1 0x30800300 | ||
96 | #define NE2000_ODDOFFSET 0x00008000 | ||
97 | #define NE2000_IRQ_VECTOR0 27 | ||
98 | #define NE2000_IRQ_VECTOR1 29 | ||
99 | #undef BSWAP | ||
100 | #define BSWAP(w) (w) | ||
101 | #define NE2000_BYTE volatile unsigned short | ||
102 | #undef RSWAP | ||
103 | #define RSWAP(w) (((w) << 8) | ((w) >> 8)) | ||
104 | #endif | ||
105 | |||
106 | #if defined(CONFIG_M5307) && defined(CONFIG_SECUREEDGEMP3) | ||
107 | #define NE2000_ADDR 0x30600300 | ||
108 | #define NE2000_ODDOFFSET 0x00008000 | ||
109 | #define NE2000_IRQ_VECTOR 27 | ||
110 | #undef BSWAP | ||
111 | #define BSWAP(w) (w) | ||
112 | #define NE2000_BYTE volatile unsigned short | ||
113 | #undef RSWAP | ||
114 | #define RSWAP(w) (((w) << 8) | ((w) >> 8)) | ||
115 | #endif | ||
116 | |||
117 | #if defined(CONFIG_M5307) && defined(CONFIG_ARNEWSH) | ||
118 | #define NE2000_ADDR 0xfe600300 | ||
119 | #define NE2000_ODDOFFSET 0x00010000 | ||
120 | #define NE2000_IRQ_VECTOR 0x1b | ||
121 | #define NE2000_IRQ_PRIORITY 2 | ||
122 | #define NE2000_IRQ_LEVEL 3 | ||
123 | #define NE2000_BYTE volatile unsigned short | ||
124 | #endif | ||
125 | |||
126 | #if defined(CONFIG_M5407) | ||
127 | #define NE2000_ADDR 0x40000300 | ||
128 | #define NE2000_ODDOFFSET 0x00010000 | ||
129 | #define NE2000_IRQ_VECTOR 0x1b | ||
130 | #define NE2000_BYTE volatile unsigned short | ||
131 | #endif | ||
132 | |||
133 | /****************************************************************************/ | ||
134 | |||
135 | /* | ||
136 | * Side-band address space for odd address requires re-mapping | ||
137 | * many of the standard ISA access functions. | ||
138 | */ | ||
139 | #ifdef NE2000_ODDOFFSET | ||
140 | |||
141 | #undef outb | ||
142 | #undef outb_p | ||
143 | #undef inb | ||
144 | #undef inb_p | ||
145 | #undef outsb | ||
146 | #undef outsw | ||
147 | #undef insb | ||
148 | #undef insw | ||
149 | |||
150 | #define outb ne2000_outb | ||
151 | #define inb ne2000_inb | ||
152 | #define outb_p ne2000_outb | ||
153 | #define inb_p ne2000_inb | ||
154 | #define outsb ne2000_outsb | ||
155 | #define outsw ne2000_outsw | ||
156 | #define insb ne2000_insb | ||
157 | #define insw ne2000_insw | ||
158 | |||
159 | |||
160 | #ifndef COLDFIRE_NE2000_FUNCS | ||
161 | |||
162 | void ne2000_outb(unsigned int val, unsigned int addr); | ||
163 | int ne2000_inb(unsigned int addr); | ||
164 | void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len); | ||
165 | void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len); | ||
166 | void ne2000_outsb(unsigned int addr, void *vbuf, unsigned long len); | ||
167 | void ne2000_outsw(unsigned int addr, void *vbuf, unsigned long len); | ||
168 | |||
169 | #else | ||
170 | |||
171 | /* | ||
172 | * This macro converts a conventional register address into the | ||
173 | * real memory pointer of the mapped NE2000 device. | ||
174 | * On most NE2000 implementations on ColdFire boards the chip is | ||
175 | * mapped in kinda funny, due to its ISA heritage. | ||
176 | */ | ||
177 | #ifdef CONFIG_CFV240 | ||
178 | #define NE2000_PTR(addr) (NE2000_ADDR + ((addr & 0x3f) << 1) + 1) | ||
179 | #define NE2000_DATA_PTR(addr) (NE2000_ADDR + ((addr & 0x3f) << 1)) | ||
180 | #else | ||
181 | #define NE2000_PTR(addr) ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr)) | ||
182 | #define NE2000_DATA_PTR(addr) (addr) | ||
183 | #endif | ||
184 | |||
185 | |||
186 | void ne2000_outb(unsigned int val, unsigned int addr) | ||
187 | { | ||
188 | NE2000_BYTE *rp; | ||
189 | |||
190 | rp = (NE2000_BYTE *) NE2000_PTR(addr); | ||
191 | *rp = RSWAP(val); | ||
192 | } | ||
193 | |||
194 | int ne2000_inb(unsigned int addr) | ||
195 | { | ||
196 | NE2000_BYTE *rp, val; | ||
197 | |||
198 | rp = (NE2000_BYTE *) NE2000_PTR(addr); | ||
199 | val = *rp; | ||
200 | return((int) ((NE2000_BYTE) RSWAP(val))); | ||
201 | } | ||
202 | |||
203 | void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len) | ||
204 | { | ||
205 | NE2000_BYTE *rp, val; | ||
206 | unsigned char *buf; | ||
207 | |||
208 | buf = (unsigned char *) vbuf; | ||
209 | rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr); | ||
210 | for (; (len > 0); len--) { | ||
211 | val = *rp; | ||
212 | *buf++ = RSWAP(val); | ||
213 | } | ||
214 | } | ||
215 | |||
216 | void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len) | ||
217 | { | ||
218 | volatile unsigned short *rp; | ||
219 | unsigned short w, *buf; | ||
220 | |||
221 | buf = (unsigned short *) vbuf; | ||
222 | rp = (volatile unsigned short *) NE2000_DATA_PTR(addr); | ||
223 | for (; (len > 0); len--) { | ||
224 | w = *rp; | ||
225 | *buf++ = BSWAP(w); | ||
226 | } | ||
227 | } | ||
228 | |||
229 | void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len) | ||
230 | { | ||
231 | NE2000_BYTE *rp, val; | ||
232 | unsigned char *buf; | ||
233 | |||
234 | buf = (unsigned char *) vbuf; | ||
235 | rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr); | ||
236 | for (; (len > 0); len--) { | ||
237 | val = *buf++; | ||
238 | *rp = RSWAP(val); | ||
239 | } | ||
240 | } | ||
241 | |||
242 | void ne2000_outsw(unsigned int addr, const void *vbuf, unsigned long len) | ||
243 | { | ||
244 | volatile unsigned short *rp; | ||
245 | unsigned short w, *buf; | ||
246 | |||
247 | buf = (unsigned short *) vbuf; | ||
248 | rp = (volatile unsigned short *) NE2000_DATA_PTR(addr); | ||
249 | for (; (len > 0); len--) { | ||
250 | w = *buf++; | ||
251 | *rp = BSWAP(w); | ||
252 | } | ||
253 | } | ||
254 | |||
255 | #endif /* COLDFIRE_NE2000_FUNCS */ | ||
256 | #endif /* NE2000_OFFOFFSET */ | ||
257 | |||
258 | /****************************************************************************/ | ||
259 | |||
260 | #ifdef COLDFIRE_NE2000_FUNCS | ||
261 | |||
262 | /* | ||
263 | * Lastly the interrupt set up code... | ||
264 | * Minor differences between the different board types. | ||
265 | */ | ||
266 | |||
267 | #if defined(CONFIG_M5206) && defined(CONFIG_ARNEWSH) | ||
268 | void ne2000_irqsetup(int irq) | ||
269 | { | ||
270 | volatile unsigned char *icrp; | ||
271 | |||
272 | icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4); | ||
273 | *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2; | ||
274 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4); | ||
275 | } | ||
276 | #endif | ||
277 | |||
278 | #if defined(CONFIG_M5206e) && defined(CONFIG_MOTOROLA) | ||
279 | void ne2000_irqsetup(int irq) | ||
280 | { | ||
281 | volatile unsigned char *icrp; | ||
282 | |||
283 | icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4); | ||
284 | *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC; | ||
285 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4); | ||
286 | } | ||
287 | #endif | ||
288 | |||
289 | #if defined(CONFIG_M5206e) && defined(CONFIG_CFV240) | ||
290 | void ne2000_irqsetup(int irq) | ||
291 | { | ||
292 | volatile unsigned char *icrp; | ||
293 | |||
294 | icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR1); | ||
295 | *icrp = MCFSIM_ICR_LEVEL1 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC; | ||
296 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT1); | ||
297 | } | ||
298 | #endif | ||
299 | |||
300 | #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel) | ||
301 | void ne2000_irqsetup(int irq) | ||
302 | { | ||
303 | mcf_autovector(irq); | ||
304 | } | ||
305 | #endif | ||
306 | |||
307 | #if defined(CONFIG_M5272) && defined(CONFIG_NETtel) | ||
308 | void ne2000_irqsetup(int irq) | ||
309 | { | ||
310 | volatile unsigned long *icrp; | ||
311 | volatile unsigned long *pitr; | ||
312 | |||
313 | /* The NE2000 device uses external IRQ3 */ | ||
314 | icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1); | ||
315 | *icrp = (*icrp & 0x77077777) | 0x00d00000; | ||
316 | |||
317 | pitr = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PITR); | ||
318 | *pitr = *pitr | 0x20000000; | ||
319 | } | ||
320 | |||
321 | void ne2000_irqack(int irq) | ||
322 | { | ||
323 | volatile unsigned long *icrp; | ||
324 | |||
325 | /* The NE2000 device uses external IRQ3 */ | ||
326 | icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1); | ||
327 | *icrp = (*icrp & 0x77777777) | 0x00800000; | ||
328 | } | ||
329 | #endif | ||
330 | |||
331 | #if defined(CONFIG_M5307) || defined(CONFIG_M5407) | ||
332 | #if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) | ||
333 | |||
334 | void ne2000_irqsetup(int irq) | ||
335 | { | ||
336 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3); | ||
337 | mcf_autovector(irq); | ||
338 | } | ||
339 | |||
340 | #else | ||
341 | |||
342 | void ne2000_irqsetup(int irq) | ||
343 | { | ||
344 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3); | ||
345 | } | ||
346 | |||
347 | #endif /* ! CONFIG_NETtel || CONFIG_SECUREEDGEMP3 */ | ||
348 | #endif /* CONFIG_M5307 || CONFIG_M5407 */ | ||
349 | |||
350 | #endif /* COLDFIRE_NE2000_FUNCS */ | ||
351 | |||
352 | /****************************************************************************/ | ||
353 | #endif /* mcfne_h */ | ||