diff options
author | Hirokazu Takata <takata@linux-m32r.org> | 2007-08-01 08:09:31 -0400 |
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committer | Hirokazu Takata <takata@linux-m32r.org> | 2007-09-02 22:30:18 -0400 |
commit | 3264f976d3188bea80819793c13a3220b8a4867c (patch) | |
tree | e451b9179430ddbbe1102050ebf391433248c1e1 /arch/m32r/platforms/mappi/io.c | |
parent | e6a7ba7efddbb393b726453eae8601ef02b9a610 (diff) |
m32r: Rearrange platform-dependent codes
Rearrange platform-dependent codes from arch/m32r/kernel/*.c
to arch/m32r/platforms/{platform}/.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'arch/m32r/platforms/mappi/io.c')
-rw-r--r-- | arch/m32r/platforms/mappi/io.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/arch/m32r/platforms/mappi/io.c b/arch/m32r/platforms/mappi/io.c new file mode 100644 index 000000000000..ac1c396d477d --- /dev/null +++ b/arch/m32r/platforms/mappi/io.c | |||
@@ -0,0 +1,325 @@ | |||
1 | /* | ||
2 | * linux/arch/m32r/platforms/mappi/io.c | ||
3 | * | ||
4 | * Typical I/O routines for Mappi board. | ||
5 | * | ||
6 | * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, | ||
7 | * Hitoshi Yamamoto | ||
8 | */ | ||
9 | |||
10 | #include <asm/m32r.h> | ||
11 | #include <asm/page.h> | ||
12 | #include <asm/io.h> | ||
13 | #include <asm/byteorder.h> | ||
14 | |||
15 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
16 | #include <linux/types.h> | ||
17 | |||
18 | #define M32R_PCC_IOMAP_SIZE 0x1000 | ||
19 | |||
20 | #define M32R_PCC_IOSTART0 0x1000 | ||
21 | #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1) | ||
22 | #define M32R_PCC_IOSTART1 0x2000 | ||
23 | #define M32R_PCC_IOEND1 (M32R_PCC_IOSTART1 + M32R_PCC_IOMAP_SIZE - 1) | ||
24 | |||
25 | extern void pcc_ioread(int, unsigned long, void *, size_t, size_t, int); | ||
26 | extern void pcc_iowrite(int, unsigned long, void *, size_t, size_t, int); | ||
27 | #endif /* CONFIG_PCMCIA && CONFIG_M32R_PCC */ | ||
28 | |||
29 | #define PORT2ADDR(port) _port2addr(port) | ||
30 | |||
31 | static inline void *_port2addr(unsigned long port) | ||
32 | { | ||
33 | return (void *)(port | NONCACHE_OFFSET); | ||
34 | } | ||
35 | |||
36 | static inline void *_port2addr_ne(unsigned long port) | ||
37 | { | ||
38 | return (void *)((port<<1) + NONCACHE_OFFSET + 0x0C000000); | ||
39 | } | ||
40 | |||
41 | static inline void delay(void) | ||
42 | { | ||
43 | __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); | ||
44 | } | ||
45 | |||
46 | /* | ||
47 | * NIC I/O function | ||
48 | */ | ||
49 | |||
50 | #define PORT2ADDR_NE(port) _port2addr_ne(port) | ||
51 | |||
52 | static inline unsigned char _ne_inb(void *portp) | ||
53 | { | ||
54 | return (unsigned char) *(volatile unsigned short *)portp; | ||
55 | } | ||
56 | |||
57 | static inline unsigned short _ne_inw(void *portp) | ||
58 | { | ||
59 | unsigned short tmp; | ||
60 | |||
61 | tmp = *(volatile unsigned short *)portp; | ||
62 | return le16_to_cpu(tmp); | ||
63 | } | ||
64 | |||
65 | static inline void _ne_outb(unsigned char b, void *portp) | ||
66 | { | ||
67 | *(volatile unsigned short *)portp = (unsigned short)b; | ||
68 | } | ||
69 | |||
70 | static inline void _ne_outw(unsigned short w, void *portp) | ||
71 | { | ||
72 | *(volatile unsigned short *)portp = cpu_to_le16(w); | ||
73 | } | ||
74 | |||
75 | unsigned char _inb(unsigned long port) | ||
76 | { | ||
77 | if (port >= 0x300 && port < 0x320) | ||
78 | return _ne_inb(PORT2ADDR_NE(port)); | ||
79 | else | ||
80 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
81 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
82 | unsigned char b; | ||
83 | pcc_ioread(0, port, &b, sizeof(b), 1, 0); | ||
84 | return b; | ||
85 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
86 | unsigned char b; | ||
87 | pcc_ioread(1, port, &b, sizeof(b), 1, 0); | ||
88 | return b; | ||
89 | } else | ||
90 | #endif | ||
91 | |||
92 | return *(volatile unsigned char *)PORT2ADDR(port); | ||
93 | } | ||
94 | |||
95 | unsigned short _inw(unsigned long port) | ||
96 | { | ||
97 | if (port >= 0x300 && port < 0x320) | ||
98 | return _ne_inw(PORT2ADDR_NE(port)); | ||
99 | else | ||
100 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
101 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
102 | unsigned short w; | ||
103 | pcc_ioread(0, port, &w, sizeof(w), 1, 0); | ||
104 | return w; | ||
105 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
106 | unsigned short w; | ||
107 | pcc_ioread(1, port, &w, sizeof(w), 1, 0); | ||
108 | return w; | ||
109 | } else | ||
110 | #endif | ||
111 | return *(volatile unsigned short *)PORT2ADDR(port); | ||
112 | } | ||
113 | |||
114 | unsigned long _inl(unsigned long port) | ||
115 | { | ||
116 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
117 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
118 | unsigned long l; | ||
119 | pcc_ioread(0, port, &l, sizeof(l), 1, 0); | ||
120 | return l; | ||
121 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
122 | unsigned short l; | ||
123 | pcc_ioread(1, port, &l, sizeof(l), 1, 0); | ||
124 | return l; | ||
125 | } else | ||
126 | #endif | ||
127 | return *(volatile unsigned long *)PORT2ADDR(port); | ||
128 | } | ||
129 | |||
130 | unsigned char _inb_p(unsigned long port) | ||
131 | { | ||
132 | unsigned char v = _inb(port); | ||
133 | delay(); | ||
134 | return (v); | ||
135 | } | ||
136 | |||
137 | unsigned short _inw_p(unsigned long port) | ||
138 | { | ||
139 | unsigned short v = _inw(port); | ||
140 | delay(); | ||
141 | return (v); | ||
142 | } | ||
143 | |||
144 | unsigned long _inl_p(unsigned long port) | ||
145 | { | ||
146 | unsigned long v = _inl(port); | ||
147 | delay(); | ||
148 | return (v); | ||
149 | } | ||
150 | |||
151 | void _outb(unsigned char b, unsigned long port) | ||
152 | { | ||
153 | if (port >= 0x300 && port < 0x320) | ||
154 | _ne_outb(b, PORT2ADDR_NE(port)); | ||
155 | else | ||
156 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
157 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
158 | pcc_iowrite(0, port, &b, sizeof(b), 1, 0); | ||
159 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
160 | pcc_iowrite(1, port, &b, sizeof(b), 1, 0); | ||
161 | } else | ||
162 | #endif | ||
163 | *(volatile unsigned char *)PORT2ADDR(port) = b; | ||
164 | } | ||
165 | |||
166 | void _outw(unsigned short w, unsigned long port) | ||
167 | { | ||
168 | if (port >= 0x300 && port < 0x320) | ||
169 | _ne_outw(w, PORT2ADDR_NE(port)); | ||
170 | else | ||
171 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
172 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
173 | pcc_iowrite(0, port, &w, sizeof(w), 1, 0); | ||
174 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
175 | pcc_iowrite(1, port, &w, sizeof(w), 1, 0); | ||
176 | } else | ||
177 | #endif | ||
178 | *(volatile unsigned short *)PORT2ADDR(port) = w; | ||
179 | } | ||
180 | |||
181 | void _outl(unsigned long l, unsigned long port) | ||
182 | { | ||
183 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
184 | if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
185 | pcc_iowrite(0, port, &l, sizeof(l), 1, 0); | ||
186 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
187 | pcc_iowrite(1, port, &l, sizeof(l), 1, 0); | ||
188 | } else | ||
189 | #endif | ||
190 | *(volatile unsigned long *)PORT2ADDR(port) = l; | ||
191 | } | ||
192 | |||
193 | void _outb_p(unsigned char b, unsigned long port) | ||
194 | { | ||
195 | _outb(b, port); | ||
196 | delay(); | ||
197 | } | ||
198 | |||
199 | void _outw_p(unsigned short w, unsigned long port) | ||
200 | { | ||
201 | _outw(w, port); | ||
202 | delay(); | ||
203 | } | ||
204 | |||
205 | void _outl_p(unsigned long l, unsigned long port) | ||
206 | { | ||
207 | _outl(l, port); | ||
208 | delay(); | ||
209 | } | ||
210 | |||
211 | void _insb(unsigned int port, void *addr, unsigned long count) | ||
212 | { | ||
213 | unsigned short *buf = addr; | ||
214 | unsigned short *portp; | ||
215 | |||
216 | if (port >= 0x300 && port < 0x320){ | ||
217 | portp = PORT2ADDR_NE(port); | ||
218 | while (count--) | ||
219 | *buf++ = *(volatile unsigned char *)portp; | ||
220 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
221 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
222 | pcc_ioread(0, port, (void *)addr, sizeof(unsigned char), | ||
223 | count, 1); | ||
224 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
225 | pcc_ioread(1, port, (void *)addr, sizeof(unsigned char), | ||
226 | count, 1); | ||
227 | #endif | ||
228 | } else { | ||
229 | portp = PORT2ADDR(port); | ||
230 | while (count--) | ||
231 | *buf++ = *(volatile unsigned char *)portp; | ||
232 | } | ||
233 | } | ||
234 | |||
235 | void _insw(unsigned int port, void *addr, unsigned long count) | ||
236 | { | ||
237 | unsigned short *buf = addr; | ||
238 | unsigned short *portp; | ||
239 | |||
240 | if (port >= 0x300 && port < 0x320) { | ||
241 | portp = PORT2ADDR_NE(port); | ||
242 | while (count--) | ||
243 | *buf++ = _ne_inw(portp); | ||
244 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
245 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
246 | pcc_ioread(0, port, (void *)addr, sizeof(unsigned short), | ||
247 | count, 1); | ||
248 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
249 | pcc_ioread(1, port, (void *)addr, sizeof(unsigned short), | ||
250 | count, 1); | ||
251 | #endif | ||
252 | } else { | ||
253 | portp = PORT2ADDR(port); | ||
254 | while (count--) | ||
255 | *buf++ = *(volatile unsigned short *)portp; | ||
256 | } | ||
257 | } | ||
258 | |||
259 | void _insl(unsigned int port, void *addr, unsigned long count) | ||
260 | { | ||
261 | unsigned long *buf = addr; | ||
262 | unsigned long *portp; | ||
263 | |||
264 | portp = PORT2ADDR(port); | ||
265 | while (count--) | ||
266 | *buf++ = *(volatile unsigned long *)portp; | ||
267 | } | ||
268 | |||
269 | void _outsb(unsigned int port, const void *addr, unsigned long count) | ||
270 | { | ||
271 | const unsigned char *buf = addr; | ||
272 | unsigned char *portp; | ||
273 | |||
274 | if (port >= 0x300 && port < 0x320) { | ||
275 | portp = PORT2ADDR_NE(port); | ||
276 | while (count--) | ||
277 | _ne_outb(*buf++, portp); | ||
278 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
279 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
280 | pcc_iowrite(0, port, (void *)addr, sizeof(unsigned char), | ||
281 | count, 1); | ||
282 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
283 | pcc_iowrite(1, port, (void *)addr, sizeof(unsigned char), | ||
284 | count, 1); | ||
285 | #endif | ||
286 | } else { | ||
287 | portp = PORT2ADDR(port); | ||
288 | while (count--) | ||
289 | *(volatile unsigned char *)portp = *buf++; | ||
290 | } | ||
291 | } | ||
292 | |||
293 | void _outsw(unsigned int port, const void *addr, unsigned long count) | ||
294 | { | ||
295 | const unsigned short *buf = addr; | ||
296 | unsigned short *portp; | ||
297 | |||
298 | if (port >= 0x300 && port < 0x320) { | ||
299 | portp = PORT2ADDR_NE(port); | ||
300 | while (count--) | ||
301 | _ne_outw(*buf++, portp); | ||
302 | #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC) | ||
303 | } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { | ||
304 | pcc_iowrite(0, port, (void *)addr, sizeof(unsigned short), | ||
305 | count, 1); | ||
306 | } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) { | ||
307 | pcc_iowrite(1, port, (void *)addr, sizeof(unsigned short), | ||
308 | count, 1); | ||
309 | #endif | ||
310 | } else { | ||
311 | portp = PORT2ADDR(port); | ||
312 | while (count--) | ||
313 | *(volatile unsigned short *)portp = *buf++; | ||
314 | } | ||
315 | } | ||
316 | |||
317 | void _outsl(unsigned int port, const void *addr, unsigned long count) | ||
318 | { | ||
319 | const unsigned long *buf = addr; | ||
320 | unsigned char *portp; | ||
321 | |||
322 | portp = PORT2ADDR(port); | ||
323 | while (count--) | ||
324 | *(volatile unsigned long *)portp = *buf++; | ||
325 | } | ||