diff options
Diffstat (limited to 'arch/m32r/kernel/io_opsput.c')
-rw-r--r-- | arch/m32r/kernel/io_opsput.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c new file mode 100644 index 000000000000..aaf42f9f76da --- /dev/null +++ b/arch/m32r/kernel/io_opsput.c | |||
@@ -0,0 +1,390 @@ | |||
1 | /* | ||
2 | * linux/arch/m32r/kernel/io_mappi.c | ||
3 | * | ||
4 | * Typical I/O routines for OPSPUT board. | ||
5 | * | ||
6 | * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata, | ||
7 | * Hitoshi Yamamoto, Takeo Takahashi | ||
8 | * | ||
9 | * This file is subject to the terms and conditions of the GNU General | ||
10 | * Public License. See the file "COPYING" in the main directory of this | ||
11 | * archive for more details. | ||
12 | */ | ||
13 | |||
14 | #include <linux/config.h> | ||
15 | #include <asm/m32r.h> | ||
16 | #include <asm/page.h> | ||
17 | #include <asm/io.h> | ||
18 | #include <asm/byteorder.h> | ||
19 | |||
20 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
21 | #include <linux/types.h> | ||
22 | |||
23 | #define M32R_PCC_IOMAP_SIZE 0x1000 | ||
24 | |||
25 | #define M32R_PCC_IOSTART0 0x1000 | ||
26 | #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1) | ||
27 | |||
28 | extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int); | ||
29 | extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int); | ||
30 | extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int); | ||
31 | extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); | ||
32 | #endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */ | ||
33 | |||
34 | #define PORT2ADDR(port) _port2addr(port) | ||
35 | #define PORT2ADDR_USB(port) _port2addr_usb(port) | ||
36 | |||
37 | static inline void *_port2addr(unsigned long port) | ||
38 | { | ||
39 | return (void *)(port + NONCACHE_OFFSET); | ||
40 | } | ||
41 | |||
42 | /* | ||
43 | * OPSPUT-LAN is located in the extended bus space | ||
44 | * from 0x10000000 to 0x13ffffff on physical address. | ||
45 | * The base address of LAN controller(LAN91C111) is 0x300. | ||
46 | */ | ||
47 | #define LAN_IOSTART 0x300 | ||
48 | #define LAN_IOEND 0x320 | ||
49 | static inline void *_port2addr_ne(unsigned long port) | ||
50 | { | ||
51 | return (void *)(port + NONCACHE_OFFSET + 0x10000000); | ||
52 | } | ||
53 | static inline void *_port2addr_usb(unsigned long port) | ||
54 | { | ||
55 | return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000); | ||
56 | } | ||
57 | |||
58 | static inline void delay(void) | ||
59 | { | ||
60 | __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); | ||
61 | } | ||
62 | |||
63 | /* | ||
64 | * NIC I/O function | ||
65 | */ | ||
66 | |||
67 | #define PORT2ADDR_NE(port) _port2addr_ne(port) | ||
68 | |||
69 | static inline unsigned char _ne_inb(void *portp) | ||
70 | { | ||
71 | return *(volatile unsigned char *)portp; | ||
72 | } | ||
73 | |||
74 | static inline unsigned short _ne_inw(void *portp) | ||
75 | { | ||
76 | return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp); | ||
77 | } | ||
78 | |||
79 | static inline void _ne_insb(void *portp, void *addr, unsigned long count) | ||
80 | { | ||
81 | unsigned char *buf = (unsigned char *)addr; | ||
82 | |||
83 | while (count--) | ||
84 | *buf++ = _ne_inb(portp); | ||
85 | } | ||
86 | |||
87 | static inline void _ne_outb(unsigned char b, void *portp) | ||
88 | { | ||
89 | *(volatile unsigned char *)portp = b; | ||
90 | } | ||
91 | |||
92 | static inline void _ne_outw(unsigned short w, void *portp) | ||
93 | { | ||
94 | *(volatile unsigned short *)portp = cpu_to_le16(w); | ||
95 | } | ||
96 | |||
97 | unsigned char _inb(unsigned long port) | ||
98 | { | ||
99 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
100 | return _ne_inb(PORT2ADDR_NE(port)); | ||
101 | |||
102 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
103 | else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
104 | unsigned char b; | ||
105 | pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0); | ||
106 | return b; | ||
107 | } else | ||
108 | #endif | ||
109 | |||
110 | return *(volatile unsigned char *)PORT2ADDR(port); | ||
111 | } | ||
112 | |||
113 | unsigned short _inw(unsigned long port) | ||
114 | { | ||
115 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
116 | return _ne_inw(PORT2ADDR_NE(port)); | ||
117 | #if defined(CONFIG_USB) | ||
118 | else if(port >= 0x340 && port < 0x3a0) | ||
119 | return *(volatile unsigned short *)PORT2ADDR_USB(port); | ||
120 | #endif | ||
121 | |||
122 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
123 | else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
124 | unsigned short w; | ||
125 | pcc_ioread_word(0, port, &w, sizeof(w), 1, 0); | ||
126 | return w; | ||
127 | } else | ||
128 | #endif | ||
129 | return *(volatile unsigned short *)PORT2ADDR(port); | ||
130 | } | ||
131 | |||
132 | unsigned long _inl(unsigned long port) | ||
133 | { | ||
134 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
135 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
136 | unsigned long l; | ||
137 | pcc_ioread_word(0, port, &l, sizeof(l), 1, 0); | ||
138 | return l; | ||
139 | } else | ||
140 | #endif | ||
141 | return *(volatile unsigned long *)PORT2ADDR(port); | ||
142 | } | ||
143 | |||
144 | unsigned char _inb_p(unsigned long port) | ||
145 | { | ||
146 | unsigned char v; | ||
147 | |||
148 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
149 | v = _ne_inb(PORT2ADDR_NE(port)); | ||
150 | else | ||
151 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
152 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
153 | unsigned char b; | ||
154 | pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0); | ||
155 | return b; | ||
156 | } else | ||
157 | #endif | ||
158 | v = *(volatile unsigned char *)PORT2ADDR(port); | ||
159 | |||
160 | delay(); | ||
161 | return (v); | ||
162 | } | ||
163 | |||
164 | unsigned short _inw_p(unsigned long port) | ||
165 | { | ||
166 | unsigned short v; | ||
167 | |||
168 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
169 | v = _ne_inw(PORT2ADDR_NE(port)); | ||
170 | else | ||
171 | #if defined(CONFIG_USB) | ||
172 | if(port >= 0x340 && port < 0x3a0) | ||
173 | return *(volatile unsigned short *)PORT2ADDR_USB(port); | ||
174 | else | ||
175 | #endif | ||
176 | |||
177 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
178 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
179 | unsigned short w; | ||
180 | pcc_ioread_word(0, port, &w, sizeof(w), 1, 0); | ||
181 | return w; | ||
182 | } else | ||
183 | #endif | ||
184 | v = *(volatile unsigned short *)PORT2ADDR(port); | ||
185 | |||
186 | delay(); | ||
187 | return (v); | ||
188 | } | ||
189 | |||
190 | unsigned long _inl_p(unsigned long port) | ||
191 | { | ||
192 | unsigned long v; | ||
193 | |||
194 | v = *(volatile unsigned long *)PORT2ADDR(port); | ||
195 | delay(); | ||
196 | return (v); | ||
197 | } | ||
198 | |||
199 | void _outb(unsigned char b, unsigned long port) | ||
200 | { | ||
201 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
202 | _ne_outb(b, PORT2ADDR_NE(port)); | ||
203 | else | ||
204 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
205 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
206 | pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0); | ||
207 | } else | ||
208 | #endif | ||
209 | *(volatile unsigned char *)PORT2ADDR(port) = b; | ||
210 | } | ||
211 | |||
212 | void _outw(unsigned short w, unsigned long port) | ||
213 | { | ||
214 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
215 | _ne_outw(w, PORT2ADDR_NE(port)); | ||
216 | else | ||
217 | #if defined(CONFIG_USB) | ||
218 | if(port >= 0x340 && port < 0x3a0) | ||
219 | *(volatile unsigned short *)PORT2ADDR_USB(port) = w; | ||
220 | else | ||
221 | #endif | ||
222 | |||
223 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
224 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
225 | pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0); | ||
226 | } else | ||
227 | #endif | ||
228 | *(volatile unsigned short *)PORT2ADDR(port) = w; | ||
229 | } | ||
230 | |||
231 | void _outl(unsigned long l, unsigned long port) | ||
232 | { | ||
233 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
234 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
235 | pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0); | ||
236 | } else | ||
237 | #endif | ||
238 | *(volatile unsigned long *)PORT2ADDR(port) = l; | ||
239 | } | ||
240 | |||
241 | void _outb_p(unsigned char b, unsigned long port) | ||
242 | { | ||
243 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
244 | _ne_outb(b, PORT2ADDR_NE(port)); | ||
245 | else | ||
246 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
247 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
248 | pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0); | ||
249 | } else | ||
250 | #endif | ||
251 | *(volatile unsigned char *)PORT2ADDR(port) = b; | ||
252 | |||
253 | delay(); | ||
254 | } | ||
255 | |||
256 | void _outw_p(unsigned short w, unsigned long port) | ||
257 | { | ||
258 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
259 | _ne_outw(w, PORT2ADDR_NE(port)); | ||
260 | else | ||
261 | #if defined(CONFIG_USB) | ||
262 | if(port >= 0x340 && port < 0x3a0) | ||
263 | *(volatile unsigned short *)PORT2ADDR_USB(port) = w; | ||
264 | else | ||
265 | #endif | ||
266 | |||
267 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
268 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
269 | pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0); | ||
270 | } else | ||
271 | #endif | ||
272 | *(volatile unsigned short *)PORT2ADDR(port) = w; | ||
273 | |||
274 | delay(); | ||
275 | } | ||
276 | |||
277 | void _outl_p(unsigned long l, unsigned long port) | ||
278 | { | ||
279 | *(volatile unsigned long *)PORT2ADDR(port) = l; | ||
280 | delay(); | ||
281 | } | ||
282 | |||
283 | void _insb(unsigned int port, void *addr, unsigned long count) | ||
284 | { | ||
285 | if (port >= LAN_IOSTART && port < LAN_IOEND) | ||
286 | _ne_insb(PORT2ADDR_NE(port), addr, count); | ||
287 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
288 | else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
289 | pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char), | ||
290 | count, 1); | ||
291 | } | ||
292 | #endif | ||
293 | else { | ||
294 | unsigned char *buf = addr; | ||
295 | unsigned char *portp = PORT2ADDR(port); | ||
296 | while (count--) | ||
297 | *buf++ = *(volatile unsigned char *)portp; | ||
298 | } | ||
299 | } | ||
300 | |||
301 | void _insw(unsigned int port, void *addr, unsigned long count) | ||
302 | { | ||
303 | unsigned short *buf = addr; | ||
304 | unsigned short *portp; | ||
305 | |||
306 | if (port >= LAN_IOSTART && port < LAN_IOEND) { | ||
307 | /* | ||
308 | * This portion is only used by smc91111.c to read data | ||
309 | * from the DATA_REG. Do not swap the data. | ||
310 | */ | ||
311 | portp = PORT2ADDR_NE(port); | ||
312 | while (count--) | ||
313 | *buf++ = *(volatile unsigned short *)portp; | ||
314 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
315 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
316 | pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short), | ||
317 | count, 1); | ||
318 | #endif | ||
319 | } else { | ||
320 | portp = PORT2ADDR(port); | ||
321 | while (count--) | ||
322 | *buf++ = *(volatile unsigned short *)portp; | ||
323 | } | ||
324 | } | ||
325 | |||
326 | void _insl(unsigned int port, void *addr, unsigned long count) | ||
327 | { | ||
328 | unsigned long *buf = addr; | ||
329 | unsigned long *portp; | ||
330 | |||
331 | portp = PORT2ADDR(port); | ||
332 | while (count--) | ||
333 | *buf++ = *(volatile unsigned long *)portp; | ||
334 | } | ||
335 | |||
336 | void _outsb(unsigned int port, const void *addr, unsigned long count) | ||
337 | { | ||
338 | const unsigned char *buf = addr; | ||
339 | unsigned char *portp; | ||
340 | |||
341 | if (port >= LAN_IOSTART && port < LAN_IOEND) { | ||
342 | portp = PORT2ADDR_NE(port); | ||
343 | while (count--) | ||
344 | _ne_outb(*buf++, portp); | ||
345 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
346 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
347 | pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char), | ||
348 | count, 1); | ||
349 | #endif | ||
350 | } else { | ||
351 | portp = PORT2ADDR(port); | ||
352 | while (count--) | ||
353 | *(volatile unsigned char *)portp = *buf++; | ||
354 | } | ||
355 | } | ||
356 | |||
357 | void _outsw(unsigned int port, const void *addr, unsigned long count) | ||
358 | { | ||
359 | const unsigned short *buf = addr; | ||
360 | unsigned short *portp; | ||
361 | |||
362 | if (port >= LAN_IOSTART && port < LAN_IOEND) { | ||
363 | /* | ||
364 | * This portion is only used by smc91111.c to write data | ||
365 | * into the DATA_REG. Do not swap the data. | ||
366 | */ | ||
367 | portp = PORT2ADDR_NE(port); | ||
368 | while (count--) | ||
369 | *(volatile unsigned short *)portp = *buf++; | ||
370 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) | ||
371 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
372 | pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short), | ||
373 | count, 1); | ||
374 | #endif | ||
375 | } else { | ||
376 | portp = PORT2ADDR(port); | ||
377 | while (count--) | ||
378 | *(volatile unsigned short *)portp = *buf++; | ||
379 | } | ||
380 | } | ||
381 | |||
382 | void _outsl(unsigned int port, const void *addr, unsigned long count) | ||
383 | { | ||
384 | const unsigned long *buf = addr; | ||
385 | unsigned char *portp; | ||
386 | |||
387 | portp = PORT2ADDR(port); | ||
388 | while (count--) | ||
389 | *(volatile unsigned long *)portp = *buf++; | ||
390 | } | ||