aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m32r/kernel/io_mappi.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m32r/kernel/io_mappi.c')
-rw-r--r--arch/m32r/kernel/io_mappi.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/arch/m32r/kernel/io_mappi.c b/arch/m32r/kernel/io_mappi.c
new file mode 100644
index 000000000000..85688ffb52f9
--- /dev/null
+++ b/arch/m32r/kernel/io_mappi.c
@@ -0,0 +1,384 @@
1/*
2 * linux/arch/m32r/kernel/io_mappi.c
3 *
4 * Typical I/O routines for Mappi board.
5 *
6 * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto
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_PCC)
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#define M32R_PCC_IOSTART1 0x2000
24#define M32R_PCC_IOEND1 (M32R_PCC_IOSTART1 + M32R_PCC_IOMAP_SIZE - 1)
25
26extern void pcc_ioread(int, unsigned long, void *, size_t, size_t, int);
27extern void pcc_iowrite(int, unsigned long, void *, size_t, size_t, int);
28#endif /* CONFIG_PCMCIA && CONFIG_M32R_PCC */
29
30#define PORT2ADDR(port) _port2addr(port)
31
32static inline void *_port2addr(unsigned long port)
33{
34 return (void *)(port + NONCACHE_OFFSET);
35}
36
37static inline void *_port2addr_ne(unsigned long port)
38{
39 return (void *)((port<<1) + NONCACHE_OFFSET + 0x0C000000);
40}
41
42static inline void delay(void)
43{
44 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
45}
46
47/*
48 * NIC I/O function
49 */
50
51#define PORT2ADDR_NE(port) _port2addr_ne(port)
52
53static inline unsigned char _ne_inb(void *portp)
54{
55 return (unsigned char) *(volatile unsigned short *)portp;
56}
57
58static inline unsigned short _ne_inw(void *portp)
59{
60 unsigned short tmp;
61
62 tmp = *(volatile unsigned short *)portp;
63 return le16_to_cpu(tmp);
64}
65
66static inline void _ne_outb(unsigned char b, void *portp)
67{
68 *(volatile unsigned short *)portp = (unsigned short)b;
69}
70
71static inline void _ne_outw(unsigned short w, void *portp)
72{
73 *(volatile unsigned short *)portp = cpu_to_le16(w);
74}
75
76unsigned char _inb(unsigned long port)
77{
78 if (port >= 0x300 && port < 0x320)
79 return _ne_inb(PORT2ADDR_NE(port));
80 else
81#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
82 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
83 unsigned char b;
84 pcc_ioread(0, port, &b, sizeof(b), 1, 0);
85 return b;
86 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
87 unsigned char b;
88 pcc_ioread(1, port, &b, sizeof(b), 1, 0);
89 return b;
90 } else
91#endif
92
93 return *(volatile unsigned char *)PORT2ADDR(port);
94}
95
96unsigned short _inw(unsigned long port)
97{
98 if (port >= 0x300 && port < 0x320)
99 return _ne_inw(PORT2ADDR_NE(port));
100 else
101#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
102 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
103 unsigned short w;
104 pcc_ioread(0, port, &w, sizeof(w), 1, 0);
105 return w;
106 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
107 unsigned short w;
108 pcc_ioread(1, port, &w, sizeof(w), 1, 0);
109 return w;
110 } else
111#endif
112 return *(volatile unsigned short *)PORT2ADDR(port);
113}
114
115unsigned long _inl(unsigned long port)
116{
117#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
118 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
119 unsigned long l;
120 pcc_ioread(0, port, &l, sizeof(l), 1, 0);
121 return l;
122 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
123 unsigned short l;
124 pcc_ioread(1, port, &l, sizeof(l), 1, 0);
125 return l;
126 } else
127#endif
128 return *(volatile unsigned long *)PORT2ADDR(port);
129}
130
131unsigned char _inb_p(unsigned long port)
132{
133 unsigned char v;
134
135 if (port >= 0x300 && port < 0x320)
136 v = _ne_inb(PORT2ADDR_NE(port));
137 else
138#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
139 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
140 unsigned char b;
141 pcc_ioread(0, port, &b, sizeof(b), 1, 0);
142 return b;
143 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
144 unsigned char b;
145 pcc_ioread(1, port, &b, sizeof(b), 1, 0);
146 return b;
147 } else
148#endif
149 v = *(volatile unsigned char *)PORT2ADDR(port);
150
151 delay();
152 return (v);
153}
154
155unsigned short _inw_p(unsigned long port)
156{
157 unsigned short v;
158
159 if (port >= 0x300 && port < 0x320)
160 v = _ne_inw(PORT2ADDR_NE(port));
161 else
162#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
163 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
164 unsigned short w;
165 pcc_ioread(0, port, &w, sizeof(w), 1, 0);
166 return w;
167 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
168 unsigned short w;
169 pcc_ioread(1, port, &w, sizeof(w), 1, 0);
170 return w;
171 } else
172#endif
173 v = *(volatile unsigned short *)PORT2ADDR(port);
174
175 delay();
176 return (v);
177}
178
179unsigned long _inl_p(unsigned long port)
180{
181 unsigned long v;
182
183 v = *(volatile unsigned long *)PORT2ADDR(port);
184 delay();
185 return (v);
186}
187
188void _outb(unsigned char b, unsigned long port)
189{
190 if (port >= 0x300 && port < 0x320)
191 _ne_outb(b, PORT2ADDR_NE(port));
192 else
193#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
194 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
195 pcc_iowrite(0, port, &b, sizeof(b), 1, 0);
196 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
197 pcc_iowrite(1, port, &b, sizeof(b), 1, 0);
198 } else
199#endif
200 *(volatile unsigned char *)PORT2ADDR(port) = b;
201}
202
203void _outw(unsigned short w, unsigned long port)
204{
205 if (port >= 0x300 && port < 0x320)
206 _ne_outw(w, PORT2ADDR_NE(port));
207 else
208#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
209 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
210 pcc_iowrite(0, port, &w, sizeof(w), 1, 0);
211 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
212 pcc_iowrite(1, port, &w, sizeof(w), 1, 0);
213 } else
214#endif
215 *(volatile unsigned short *)PORT2ADDR(port) = w;
216}
217
218void _outl(unsigned long l, unsigned long port)
219{
220#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
221 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
222 pcc_iowrite(0, port, &l, sizeof(l), 1, 0);
223 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
224 pcc_iowrite(1, port, &l, sizeof(l), 1, 0);
225 } else
226#endif
227 *(volatile unsigned long *)PORT2ADDR(port) = l;
228}
229
230void _outb_p(unsigned char b, unsigned long port)
231{
232 if (port >= 0x300 && port < 0x320)
233 _ne_outb(b, PORT2ADDR_NE(port));
234 else
235#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
236 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
237 pcc_iowrite(0, port, &b, sizeof(b), 1, 0);
238 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
239 pcc_iowrite(1, port, &b, sizeof(b), 1, 0);
240 } else
241#endif
242 *(volatile unsigned char *)PORT2ADDR(port) = b;
243
244 delay();
245}
246
247void _outw_p(unsigned short w, unsigned long port)
248{
249 if (port >= 0x300 && port < 0x320)
250 _ne_outw(w, PORT2ADDR_NE(port));
251 else
252#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
253 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
254 pcc_iowrite(0, port, &w, sizeof(w), 1, 0);
255 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
256 pcc_iowrite(1, port, &w, sizeof(w), 1, 0);
257 } else
258#endif
259 *(volatile unsigned short *)PORT2ADDR(port) = w;
260
261 delay();
262}
263
264void _outl_p(unsigned long l, unsigned long port)
265{
266 *(volatile unsigned long *)PORT2ADDR(port) = l;
267 delay();
268}
269
270void _insb(unsigned int port, void *addr, unsigned long count)
271{
272 unsigned short *buf = addr;
273 unsigned short *portp;
274
275 if (port >= 0x300 && port < 0x320){
276 portp = PORT2ADDR_NE(port);
277 while (count--)
278 *buf++ = *(volatile unsigned char *)portp;
279#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
280 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
281 pcc_ioread(0, port, (void *)addr, sizeof(unsigned char),
282 count, 1);
283 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
284 pcc_ioread(1, port, (void *)addr, sizeof(unsigned char),
285 count, 1);
286#endif
287 } else {
288 portp = PORT2ADDR(port);
289 while (count--)
290 *buf++ = *(volatile unsigned char *)portp;
291 }
292}
293
294void _insw(unsigned int port, void *addr, unsigned long count)
295{
296 unsigned short *buf = addr;
297 unsigned short *portp;
298
299 if (port >= 0x300 && port < 0x320) {
300 portp = PORT2ADDR_NE(port);
301 while (count--)
302 *buf++ = _ne_inw(portp);
303#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
304 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
305 pcc_ioread(0, port, (void *)addr, sizeof(unsigned short),
306 count, 1);
307 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
308 pcc_ioread(1, port, (void *)addr, sizeof(unsigned short),
309 count, 1);
310#endif
311 } else {
312 portp = PORT2ADDR(port);
313 while (count--)
314 *buf++ = *(volatile unsigned short *)portp;
315 }
316}
317
318void _insl(unsigned int port, void *addr, unsigned long count)
319{
320 unsigned long *buf = addr;
321 unsigned long *portp;
322
323 portp = PORT2ADDR(port);
324 while (count--)
325 *buf++ = *(volatile unsigned long *)portp;
326}
327
328void _outsb(unsigned int port, const void *addr, unsigned long count)
329{
330 const unsigned char *buf = addr;
331 unsigned char *portp;
332
333 if (port >= 0x300 && port < 0x320) {
334 portp = PORT2ADDR_NE(port);
335 while (count--)
336 _ne_outb(*buf++, portp);
337#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
338 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
339 pcc_iowrite(0, port, (void *)addr, sizeof(unsigned char),
340 count, 1);
341 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
342 pcc_iowrite(1, port, (void *)addr, sizeof(unsigned char),
343 count, 1);
344#endif
345 } else {
346 portp = PORT2ADDR(port);
347 while (count--)
348 *(volatile unsigned char *)portp = *buf++;
349 }
350}
351
352void _outsw(unsigned int port, const void *addr, unsigned long count)
353{
354 const unsigned short *buf = addr;
355 unsigned short *portp;
356
357 if (port >= 0x300 && port < 0x320) {
358 portp = PORT2ADDR_NE(port);
359 while (count--)
360 _ne_outw(*buf++, portp);
361#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
362 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
363 pcc_iowrite(0, port, (void *)addr, sizeof(unsigned short),
364 count, 1);
365 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
366 pcc_iowrite(1, port, (void *)addr, sizeof(unsigned short),
367 count, 1);
368#endif
369 } else {
370 portp = PORT2ADDR(port);
371 while (count--)
372 *(volatile unsigned short *)portp = *buf++;
373 }
374}
375
376void _outsl(unsigned int port, const void *addr, unsigned long count)
377{
378 const unsigned long *buf = addr;
379 unsigned char *portp;
380
381 portp = PORT2ADDR(port);
382 while (count--)
383 *(volatile unsigned long *)portp = *buf++;
384}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-15 17:23:18 -0500