2 * linux/arch/m32r/kernel/io_mappi3.c
4 * Typical I/O routines for Mappi3 board.
6 * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Mamoru Sakugawa
10 #include <linux/config.h>
14 #include <asm/byteorder.h>
16 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
17 #include <linux/types.h>
19 #define M32R_PCC_IOMAP_SIZE 0x1000
21 #define M32R_PCC_IOSTART0 0x1000
22 #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
24 extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
25 extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
26 extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
27 extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
28 #endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
30 #define PORT2ADDR(port) _port2addr(port)
31 #define PORT2ADDR_NE(port) _port2addr_ne(port)
32 #define PORT2ADDR_USB(port) _port2addr_usb(port)
34 static inline void *_port2addr(unsigned long port)
36 return (void *)(port + NONCACHE_OFFSET);
39 #define LAN_IOSTART 0x300
40 #define LAN_IOEND 0x320
42 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
43 static inline void *__port2addr_ata(unsigned long port)
48 case 0x1f0: return (void *)0xb4002000;
49 case 0x1f1: return (void *)0xb4012800;
50 case 0x1f2: return (void *)0xb4012002;
51 case 0x1f3: return (void *)0xb4012802;
52 case 0x1f4: return (void *)0xb4012004;
53 case 0x1f5: return (void *)0xb4012804;
54 case 0x1f6: return (void *)0xb4012006;
55 case 0x1f7: return (void *)0xb4012806;
56 case 0x3f6: return (void *)0xb401200e;
57 default: return (void *)&dummy_reg;
62 static inline void *_port2addr_ne(unsigned long port)
64 return (void *)(port + NONCACHE_OFFSET + 0x10000000);
67 static inline void *_port2addr_usb(unsigned long port)
69 return (void *)(port + NONCACHE_OFFSET + 0x12000000);
71 static inline void delay(void)
73 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
80 static inline unsigned char _ne_inb(void *portp)
82 return (unsigned char) *(volatile unsigned char *)portp;
85 static inline unsigned short _ne_inw(void *portp)
87 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
90 static inline void _ne_insb(void *portp, void * addr, unsigned long count)
92 unsigned char *buf = addr;
95 *buf++ = *(volatile unsigned char *)portp;
98 static inline void _ne_outb(unsigned char b, void *portp)
100 *(volatile unsigned char *)portp = (unsigned char)b;
103 static inline void _ne_outw(unsigned short w, void *portp)
105 *(volatile unsigned short *)portp = cpu_to_le16(w);
108 unsigned char _inb(unsigned long port)
110 if (port >= LAN_IOSTART && port < LAN_IOEND)
111 return _ne_inb(PORT2ADDR_NE(port));
112 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
113 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
114 return *(volatile unsigned char *)__port2addr_ata(port);
117 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
118 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
120 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
124 return *(volatile unsigned char *)PORT2ADDR(port);
127 unsigned short _inw(unsigned long port)
129 if (port >= LAN_IOSTART && port < LAN_IOEND)
130 return _ne_inw(PORT2ADDR_NE(port));
131 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
132 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
133 return *(volatile unsigned short *)__port2addr_ata(port);
136 #if defined(CONFIG_USB)
137 else if (port >= 0x340 && port < 0x3a0)
138 return *(volatile unsigned short *)PORT2ADDR_USB(port);
141 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
142 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
144 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
148 return *(volatile unsigned short *)PORT2ADDR(port);
151 unsigned long _inl(unsigned long port)
153 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
154 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
156 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
160 return *(volatile unsigned long *)PORT2ADDR(port);
163 unsigned char _inb_p(unsigned long port)
165 unsigned char v = _inb(port);
170 unsigned short _inw_p(unsigned long port)
172 unsigned short v = _inw(port);
177 unsigned long _inl_p(unsigned long port)
179 unsigned long v = _inl(port);
184 void _outb(unsigned char b, unsigned long port)
186 if (port >= LAN_IOSTART && port < LAN_IOEND)
187 _ne_outb(b, PORT2ADDR_NE(port));
189 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
190 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
191 *(volatile unsigned char *)__port2addr_ata(port) = b;
194 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
195 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
196 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
199 *(volatile unsigned char *)PORT2ADDR(port) = b;
202 void _outw(unsigned short w, unsigned long port)
204 if (port >= LAN_IOSTART && port < LAN_IOEND)
205 _ne_outw(w, PORT2ADDR_NE(port));
207 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
208 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
209 *(volatile unsigned short *)__port2addr_ata(port) = w;
212 #if defined(CONFIG_USB)
213 if (port >= 0x340 && port < 0x3a0)
214 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
217 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
218 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
219 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
222 *(volatile unsigned short *)PORT2ADDR(port) = w;
225 void _outl(unsigned long l, unsigned long port)
227 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
228 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
229 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
232 *(volatile unsigned long *)PORT2ADDR(port) = l;
235 void _outb_p(unsigned char b, unsigned long port)
241 void _outw_p(unsigned short w, unsigned long port)
247 void _outl_p(unsigned long l, unsigned long port)
253 void _insb(unsigned int port, void * addr, unsigned long count)
255 if (port >= LAN_IOSTART && port < LAN_IOEND)
256 _ne_insb(PORT2ADDR_NE(port), addr, count);
257 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
258 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
259 unsigned char *buf = addr;
260 unsigned char *portp = __port2addr_ata(port);
262 *buf++ = *(volatile unsigned char *)portp;
265 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
266 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
267 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
272 unsigned char *buf = addr;
273 unsigned char *portp = PORT2ADDR(port);
275 *buf++ = *(volatile unsigned char *)portp;
279 void _insw(unsigned int port, void * addr, unsigned long count)
281 unsigned short *buf = addr;
282 unsigned short *portp;
284 if (port >= LAN_IOSTART && port < LAN_IOEND) {
285 portp = PORT2ADDR_NE(port);
287 *buf++ = *(volatile unsigned short *)portp;
288 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
289 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
290 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
293 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
294 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
295 portp = __port2addr_ata(port);
297 *buf++ = *(volatile unsigned short *)portp;
300 portp = PORT2ADDR(port);
302 *buf++ = *(volatile unsigned short *)portp;
306 void _insl(unsigned int port, void * addr, unsigned long count)
308 unsigned long *buf = addr;
309 unsigned long *portp;
311 portp = PORT2ADDR(port);
313 *buf++ = *(volatile unsigned long *)portp;
316 void _outsb(unsigned int port, const void * addr, unsigned long count)
318 const unsigned char *buf = addr;
319 unsigned char *portp;
321 if (port >= LAN_IOSTART && port < LAN_IOEND) {
322 portp = PORT2ADDR_NE(port);
324 _ne_outb(*buf++, portp);
325 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
326 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
327 portp = __port2addr_ata(port);
329 *(volatile unsigned char *)portp = *buf++;
331 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
332 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
333 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
337 portp = PORT2ADDR(port);
339 *(volatile unsigned char *)portp = *buf++;
343 void _outsw(unsigned int port, const void * addr, unsigned long count)
345 const unsigned short *buf = addr;
346 unsigned short *portp;
348 if (port >= LAN_IOSTART && port < LAN_IOEND) {
349 portp = PORT2ADDR_NE(port);
351 *(volatile unsigned short *)portp = *buf++;
352 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
353 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
354 portp = __port2addr_ata(port);
356 *(volatile unsigned short *)portp = *buf++;
358 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
359 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
360 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
364 portp = PORT2ADDR(port);
366 *(volatile unsigned short *)portp = *buf++;
370 void _outsl(unsigned int port, const void * addr, unsigned long count)
372 const unsigned long *buf = addr;
373 unsigned char *portp;
375 portp = PORT2ADDR(port);
377 *(volatile unsigned long *)portp = *buf++;