2 * linux/arch/m32r/platforms/mappi2/io.c
4 * Typical I/O routines for Mappi2 board.
6 * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Mamoru Sakugawa
13 #include <asm/byteorder.h>
15 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
16 #include <linux/types.h>
18 #define M32R_PCC_IOMAP_SIZE 0x1000
20 #define M32R_PCC_IOSTART0 0x1000
21 #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
23 extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
24 extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
25 extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
26 extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
27 #endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
29 #define PORT2ADDR(port) _port2addr(port)
30 #define PORT2ADDR_NE(port) _port2addr_ne(port)
31 #define PORT2ADDR_USB(port) _port2addr_usb(port)
33 static inline void *_port2addr(unsigned long port)
35 return (void *)(port | NONCACHE_OFFSET);
38 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
39 static inline void *__port2addr_ata(unsigned long port)
44 case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET);
45 case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET);
46 case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET);
47 case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET);
48 case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET);
49 case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET);
50 case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET);
51 case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET);
52 case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET);
53 default: return (void *)&dummy_reg;
58 #define LAN_IOSTART (0x300 | NONCACHE_OFFSET)
59 #define LAN_IOEND (0x320 | NONCACHE_OFFSET)
60 #ifdef CONFIG_CHIP_OPSP
61 static inline void *_port2addr_ne(unsigned long port)
63 return (void *)(port + 0x10000000);
66 static inline void *_port2addr_ne(unsigned long port)
68 return (void *)(port + 0x04000000);
71 static inline void *_port2addr_usb(unsigned long port)
73 return (void *)(port + NONCACHE_OFFSET + 0x14000000);
75 static inline void delay(void)
77 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
84 static inline unsigned char _ne_inb(void *portp)
86 return (unsigned char) *(volatile unsigned char *)portp;
89 static inline unsigned short _ne_inw(void *portp)
91 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
94 static inline void _ne_insb(void *portp, void * addr, unsigned long count)
96 unsigned char *buf = addr;
99 *buf++ = *(volatile unsigned char *)portp;
102 static inline void _ne_outb(unsigned char b, void *portp)
104 *(volatile unsigned char *)portp = (unsigned char)b;
107 static inline void _ne_outw(unsigned short w, void *portp)
109 *(volatile unsigned short *)portp = cpu_to_le16(w);
112 unsigned char _inb(unsigned long port)
114 if (port >= LAN_IOSTART && port < LAN_IOEND)
115 return _ne_inb(PORT2ADDR_NE(port));
116 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
117 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
118 return *(volatile unsigned char *)__port2addr_ata(port);
121 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
122 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
124 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
129 return *(volatile unsigned char *)PORT2ADDR(port);
132 unsigned short _inw(unsigned long port)
134 if (port >= LAN_IOSTART && port < LAN_IOEND)
135 return _ne_inw(PORT2ADDR_NE(port));
136 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
137 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
138 return *(volatile unsigned short *)__port2addr_ata(port);
141 #if defined(CONFIG_USB)
142 else if (port >= 0x340 && port < 0x3a0)
143 return *(volatile unsigned short *)PORT2ADDR_USB(port);
146 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
147 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
149 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
153 return *(volatile unsigned short *)PORT2ADDR(port);
156 unsigned long _inl(unsigned long port)
158 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
159 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
161 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
165 return *(volatile unsigned long *)PORT2ADDR(port);
168 unsigned char _inb_p(unsigned long port)
170 unsigned char v = _inb(port);
175 unsigned short _inw_p(unsigned long port)
177 unsigned short v = _inw(port);
182 unsigned long _inl_p(unsigned long port)
184 unsigned long v = _inl(port);
189 void _outb(unsigned char b, unsigned long port)
191 if (port >= LAN_IOSTART && port < LAN_IOEND)
192 _ne_outb(b, PORT2ADDR_NE(port));
194 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
195 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
196 *(volatile unsigned char *)__port2addr_ata(port) = b;
199 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
200 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
201 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
204 *(volatile unsigned char *)PORT2ADDR(port) = b;
207 void _outw(unsigned short w, unsigned long port)
209 if (port >= LAN_IOSTART && port < LAN_IOEND)
210 _ne_outw(w, PORT2ADDR_NE(port));
212 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
213 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
214 *(volatile unsigned short *)__port2addr_ata(port) = w;
217 #if defined(CONFIG_USB)
218 if (port >= 0x340 && port < 0x3a0)
219 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
222 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
223 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
224 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
227 *(volatile unsigned short *)PORT2ADDR(port) = w;
230 void _outl(unsigned long l, unsigned long port)
232 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
233 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
234 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
237 *(volatile unsigned long *)PORT2ADDR(port) = l;
240 void _outb_p(unsigned char b, unsigned long port)
246 void _outw_p(unsigned short w, unsigned long port)
252 void _outl_p(unsigned long l, unsigned long port)
258 void _insb(unsigned int port, void * addr, unsigned long count)
260 if (port >= LAN_IOSTART && port < LAN_IOEND)
261 _ne_insb(PORT2ADDR_NE(port), addr, count);
262 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
263 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
264 unsigned char *buf = addr;
265 unsigned char *portp = __port2addr_ata(port);
267 *buf++ = *(volatile unsigned char *)portp;
270 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
271 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
272 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
277 unsigned char *buf = addr;
278 unsigned char *portp = PORT2ADDR(port);
280 *buf++ = *(volatile unsigned char *)portp;
284 void _insw(unsigned int port, void * addr, unsigned long count)
286 unsigned short *buf = addr;
287 unsigned short *portp;
289 if (port >= LAN_IOSTART && port < LAN_IOEND) {
290 portp = PORT2ADDR_NE(port);
292 *buf++ = *(volatile unsigned short *)portp;
293 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
294 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
295 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
298 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
299 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
300 portp = __port2addr_ata(port);
302 *buf++ = *(volatile unsigned short *)portp;
305 portp = PORT2ADDR(port);
307 *buf++ = *(volatile unsigned short *)portp;
311 void _insl(unsigned int port, void * addr, unsigned long count)
313 unsigned long *buf = addr;
314 unsigned long *portp;
316 portp = PORT2ADDR(port);
318 *buf++ = *(volatile unsigned long *)portp;
321 void _outsb(unsigned int port, const void * addr, unsigned long count)
323 const unsigned char *buf = addr;
324 unsigned char *portp;
326 if (port >= LAN_IOSTART && port < LAN_IOEND) {
327 portp = PORT2ADDR_NE(port);
329 _ne_outb(*buf++, portp);
330 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
331 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
332 portp = __port2addr_ata(port);
334 *(volatile unsigned char *)portp = *buf++;
336 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
337 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
338 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
342 portp = PORT2ADDR(port);
344 *(volatile unsigned char *)portp = *buf++;
348 void _outsw(unsigned int port, const void * addr, unsigned long count)
350 const unsigned short *buf = addr;
351 unsigned short *portp;
353 if (port >= LAN_IOSTART && port < LAN_IOEND) {
354 portp = PORT2ADDR_NE(port);
356 *(volatile unsigned short *)portp = *buf++;
357 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
358 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
359 portp = __port2addr_ata(port);
361 *(volatile unsigned short *)portp = *buf++;
363 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
364 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
365 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
369 portp = PORT2ADDR(port);
371 *(volatile unsigned short *)portp = *buf++;
375 void _outsl(unsigned int port, const void * addr, unsigned long count)
377 const unsigned long *buf = addr;
378 unsigned char *portp;
380 portp = PORT2ADDR(port);
382 *(volatile unsigned long *)portp = *buf++;