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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/m32r/kernel/io_mappi2.c
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/m32r/kernel/io_mappi2.c')
-rw-r--r--arch/m32r/kernel/io_mappi2.c461
1 files changed, 461 insertions, 0 deletions
diff --git a/arch/m32r/kernel/io_mappi2.c b/arch/m32r/kernel/io_mappi2.c
new file mode 100644
index 000000000000..4182cd4f97c8
--- /dev/null
+++ b/arch/m32r/kernel/io_mappi2.c
@@ -0,0 +1,461 @@
1/*
2 * linux/arch/m32r/kernel/io_mappi2.c
3 *
4 * Typical I/O routines for Mappi2 board.
5 *
6 * Copyright (c) 2001-2003 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Mamoru Sakugawa
8 */
9
10#include <linux/config.h>
11#include <asm/m32r.h>
12#include <asm/page.h>
13#include <asm/io.h>
14#include <asm/byteorder.h>
15
16#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
17#include <linux/types.h>
18
19#define M32R_PCC_IOMAP_SIZE 0x1000
20
21#define M32R_PCC_IOSTART0 0x1000
22#define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
23
24extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
25extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
26extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
27extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
28#endif /* CONFIG_PCMCIA && CONFIG_MAPPI2_CFC */
29
30#define PORT2ADDR(port) _port2addr(port)
31#define PORT2ADDR_NE(port) _port2addr_ne(port)
32#define PORT2ADDR_USB(port) _port2addr_usb(port)
33
34static inline void *_port2addr(unsigned long port)
35{
36 return (void *)(port + NONCACHE_OFFSET);
37}
38
39#define LAN_IOSTART 0x300
40#define LAN_IOEND 0x320
41
42#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
43static inline void *__port2addr_ata(unsigned long port)
44{
45 static int dummy_reg;
46
47 switch (port) {
48 case 0x1f0: return (void *)0xac002000;
49 case 0x1f1: return (void *)0xac012800;
50 case 0x1f2: return (void *)0xac012002;
51 case 0x1f3: return (void *)0xac012802;
52 case 0x1f4: return (void *)0xac012004;
53 case 0x1f5: return (void *)0xac012804;
54 case 0x1f6: return (void *)0xac012006;
55 case 0x1f7: return (void *)0xac012806;
56 case 0x3f6: return (void *)0xac01200e;
57 default: return (void *)&dummy_reg;
58 }
59}
60#endif
61
62#ifdef CONFIG_CHIP_OPSP
63static inline void *_port2addr_ne(unsigned long port)
64{
65 return (void *)(port + NONCACHE_OFFSET + 0x10000000);
66}
67#else
68static inline void *_port2addr_ne(unsigned long port)
69{
70 return (void *)(port + NONCACHE_OFFSET + 0x04000000);
71}
72#endif
73static inline void *_port2addr_usb(unsigned long port)
74{
75 return (void *)(port + NONCACHE_OFFSET + 0x14000000);
76}
77static inline void delay(void)
78{
79 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
80}
81
82/*
83 * NIC I/O function
84 */
85
86static inline unsigned char _ne_inb(void *portp)
87{
88 return (unsigned char) *(volatile unsigned char *)portp;
89}
90
91static inline unsigned short _ne_inw(void *portp)
92{
93 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
94}
95
96static inline void _ne_insb(void *portp, void * addr, unsigned long count)
97{
98 unsigned char *buf = addr;
99
100 while (count--)
101 *buf++ = *(volatile unsigned char *)portp;
102}
103
104static inline void _ne_outb(unsigned char b, void *portp)
105{
106 *(volatile unsigned char *)portp = (unsigned char)b;
107}
108
109static inline void _ne_outw(unsigned short w, void *portp)
110{
111 *(volatile unsigned short *)portp = cpu_to_le16(w);
112}
113
114unsigned char _inb(unsigned long port)
115{
116 if (port >= LAN_IOSTART && port < LAN_IOEND)
117 return _ne_inb(PORT2ADDR_NE(port));
118#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
119 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
120 return *(volatile unsigned char *)__port2addr_ata(port);
121 }
122#endif
123#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
124 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
125 unsigned char b;
126 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
127 return b;
128 } else
129#endif
130
131 return *(volatile unsigned char *)PORT2ADDR(port);
132}
133
134unsigned short _inw(unsigned long port)
135{
136 if (port >= LAN_IOSTART && port < LAN_IOEND)
137 return _ne_inw(PORT2ADDR_NE(port));
138#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
139 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
140 return *(volatile unsigned short *)__port2addr_ata(port);
141 }
142#endif
143#if defined(CONFIG_USB)
144 else if (port >= 0x340 && port < 0x3a0)
145 return *(volatile unsigned short *)PORT2ADDR_USB(port);
146#endif
147
148#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
149 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
150 unsigned short w;
151 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
152 return w;
153 } else
154#endif
155 return *(volatile unsigned short *)PORT2ADDR(port);
156}
157
158unsigned long _inl(unsigned long port)
159{
160#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
161 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
162 unsigned long l;
163 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
164 return l;
165 } else
166#endif
167 return *(volatile unsigned long *)PORT2ADDR(port);
168}
169
170unsigned char _inb_p(unsigned long port)
171{
172 unsigned char v;
173
174 if (port >= LAN_IOSTART && port < LAN_IOEND)
175 v = _ne_inb(PORT2ADDR_NE(port));
176 else
177#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
178 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
179 return *(volatile unsigned char *)__port2addr_ata(port);
180 } else
181#endif
182#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
183 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
184 unsigned char b;
185 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
186 return b;
187 } else
188#endif
189 v = *(volatile unsigned char *)PORT2ADDR(port);
190
191 delay();
192 return (v);
193}
194
195unsigned short _inw_p(unsigned long port)
196{
197 unsigned short v;
198
199 if (port >= LAN_IOSTART && port < LAN_IOEND)
200 v = _ne_inw(PORT2ADDR_NE(port));
201 else
202#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
203 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
204 return *(volatile unsigned short *)__port2addr_ata(port);
205 } else
206#endif
207#if defined(CONFIG_USB)
208 if (port >= 0x340 && port < 0x3a0)
209 v = *(volatile unsigned short *)PORT2ADDR_USB(port);
210 else
211#endif
212#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
213 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
214 unsigned short w;
215 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
216 return w;
217 } else
218#endif
219 v = *(volatile unsigned short *)PORT2ADDR(port);
220
221 delay();
222 return (v);
223}
224
225unsigned long _inl_p(unsigned long port)
226{
227 unsigned long v;
228
229 v = *(volatile unsigned long *)PORT2ADDR(port);
230 delay();
231 return (v);
232}
233
234void _outb(unsigned char b, unsigned long port)
235{
236 if (port >= LAN_IOSTART && port < LAN_IOEND)
237 _ne_outb(b, PORT2ADDR_NE(port));
238 else
239#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
240 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
241 *(volatile unsigned char *)__port2addr_ata(port) = b;
242 } else
243#endif
244#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
245 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
246 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
247 } else
248#endif
249 *(volatile unsigned char *)PORT2ADDR(port) = b;
250}
251
252void _outw(unsigned short w, unsigned long port)
253{
254 if (port >= LAN_IOSTART && port < LAN_IOEND)
255 _ne_outw(w, PORT2ADDR_NE(port));
256 else
257#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
258 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
259 *(volatile unsigned short *)__port2addr_ata(port) = w;
260 } else
261#endif
262#if defined(CONFIG_USB)
263 if (port >= 0x340 && port < 0x3a0)
264 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
265 else
266#endif
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
275void _outl(unsigned long l, unsigned long port)
276{
277#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
278 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
279 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
280 } else
281#endif
282 *(volatile unsigned long *)PORT2ADDR(port) = l;
283}
284
285void _outb_p(unsigned char b, unsigned long port)
286{
287 if (port >= LAN_IOSTART && port < LAN_IOEND)
288 _ne_outb(b, PORT2ADDR_NE(port));
289 else
290#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
291 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
292 *(volatile unsigned char *)__port2addr_ata(port) = b;
293 } else
294#endif
295#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
296 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
297 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
298 } else
299#endif
300 *(volatile unsigned char *)PORT2ADDR(port) = b;
301
302 delay();
303}
304
305void _outw_p(unsigned short w, unsigned long port)
306{
307 if (port >= LAN_IOSTART && port < LAN_IOEND)
308 _ne_outw(w, PORT2ADDR_NE(port));
309 else
310#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
311 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
312 *(volatile unsigned short *)__port2addr_ata(port) = w;
313 } else
314#endif
315#if defined(CONFIG_USB)
316 if (port >= 0x340 && port < 0x3a0)
317 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
318 else
319#endif
320#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
321 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
322 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
323 } else
324#endif
325 *(volatile unsigned short *)PORT2ADDR(port) = w;
326
327 delay();
328}
329
330void _outl_p(unsigned long l, unsigned long port)
331{
332 *(volatile unsigned long *)PORT2ADDR(port) = l;
333 delay();
334}
335
336void _insb(unsigned int port, void * addr, unsigned long count)
337{
338 if (port >= LAN_IOSTART && port < LAN_IOEND)
339 _ne_insb(PORT2ADDR_NE(port), addr, count);
340#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
341 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
342 unsigned char *buf = addr;
343 unsigned char *portp = __port2addr_ata(port);
344 while (count--)
345 *buf++ = *(volatile unsigned char *)portp;
346 }
347#endif
348#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
349 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
350 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
351 count, 1);
352 }
353#endif
354 else {
355 unsigned char *buf = addr;
356 unsigned char *portp = PORT2ADDR(port);
357 while (count--)
358 *buf++ = *(volatile unsigned char *)portp;
359 }
360}
361
362void _insw(unsigned int port, void * addr, unsigned long count)
363{
364 unsigned short *buf = addr;
365 unsigned short *portp;
366
367 if (port >= LAN_IOSTART && port < LAN_IOEND) {
368 portp = PORT2ADDR_NE(port);
369 while (count--)
370 *buf++ = *(volatile unsigned short *)portp;
371#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
372 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
373 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
374 count, 1);
375#endif
376#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
377 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
378 portp = __port2addr_ata(port);
379 while (count--)
380 *buf++ = *(volatile unsigned short *)portp;
381#endif
382 } else {
383 portp = PORT2ADDR(port);
384 while (count--)
385 *buf++ = *(volatile unsigned short *)portp;
386 }
387}
388
389void _insl(unsigned int port, void * addr, unsigned long count)
390{
391 unsigned long *buf = addr;
392 unsigned long *portp;
393
394 portp = PORT2ADDR(port);
395 while (count--)
396 *buf++ = *(volatile unsigned long *)portp;
397}
398
399void _outsb(unsigned int port, const void * addr, unsigned long count)
400{
401 const unsigned char *buf = addr;
402 unsigned char *portp;
403
404 if (port >= LAN_IOSTART && port < LAN_IOEND) {
405 portp = PORT2ADDR_NE(port);
406 while (count--)
407 _ne_outb(*buf++, portp);
408#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
409 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
410 portp = __port2addr_ata(port);
411 while (count--)
412 *(volatile unsigned char *)portp = *buf++;
413#endif
414#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
415 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
416 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
417 count, 1);
418#endif
419 } else {
420 portp = PORT2ADDR(port);
421 while (count--)
422 *(volatile unsigned char *)portp = *buf++;
423 }
424}
425
426void _outsw(unsigned int port, const void * addr, unsigned long count)
427{
428 const unsigned short *buf = addr;
429 unsigned short *portp;
430
431 if (port >= LAN_IOSTART && port < LAN_IOEND) {
432 portp = PORT2ADDR_NE(port);
433 while (count--)
434 *(volatile unsigned short *)portp = *buf++;
435#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
436 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
437 portp = __port2addr_ata(port);
438 while (count--)
439 *(volatile unsigned short *)portp = *buf++;
440#endif
441#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
442 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
443 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
444 count, 1);
445#endif
446 } else {
447 portp = PORT2ADDR(port);
448 while (count--)
449 *(volatile unsigned short *)portp = *buf++;
450 }
451}
452
453void _outsl(unsigned int port, const void * addr, unsigned long count)
454{
455 const unsigned long *buf = addr;
456 unsigned char *portp;
457
458 portp = PORT2ADDR(port);
459 while (count--)
460 *(volatile unsigned long *)portp = *buf++;
461}
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