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Diffstat (limited to 'arch/m68knommu/include/asm/mcfne.h')
-rw-r--r-- | arch/m68knommu/include/asm/mcfne.h | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/arch/m68knommu/include/asm/mcfne.h b/arch/m68knommu/include/asm/mcfne.h new file mode 100644 index 000000000000..431f63aadd0e --- /dev/null +++ b/arch/m68knommu/include/asm/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 | |||
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 | |||
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 | |||
250 | #if defined(CONFIG_ARN5206) | ||
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 | |||
261 | #if defined(CONFIG_M5206eC3) | ||
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 | |||
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 */ | ||