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 #if defined(CONFIG_IDE)
40 static inline void *__port2addr_ata(unsigned long port)
46 case 0x1f0: return (void *)0xb4002000;
47 case 0x1f1: return (void *)0xb4012800;
48 case 0x1f2: return (void *)0xb4012002;
49 case 0x1f3: return (void *)0xb4012802;
50 case 0x1f4: return (void *)0xb4012004;
51 case 0x1f5: return (void *)0xb4012804;
52 case 0x1f6: return (void *)0xb4012006;
53 case 0x1f7: return (void *)0xb4012806;
54 case 0x3f6: return (void *)0xb401200e;
56 case 0x170: return (void *)0xb4810000; /* Data 16bit */
57 case 0x171: return (void *)0xb4810002; /* Features / Error */
58 case 0x172: return (void *)0xb4810004; /* Sector count */
59 case 0x173: return (void *)0xb4810006; /* Sector number */
60 case 0x174: return (void *)0xb4810008; /* Cylinder low */
61 case 0x175: return (void *)0xb481000a; /* Cylinder high */
62 case 0x176: return (void *)0xb481000c; /* Device head */
63 case 0x177: return (void *)0xb481000e; /* Command */
64 case 0x376: return (void *)0xb480800c; /* Device control / Alt status */
66 default: return (void *)&dummy_reg;
71 #define LAN_IOSTART 0xa0000300
72 #define LAN_IOEND 0xa0000320
73 static inline void *_port2addr_ne(unsigned long port)
75 return (void *)(port + 0x10000000);
78 static inline void *_port2addr_usb(unsigned long port)
80 return (void *)(port + NONCACHE_OFFSET + 0x12000000);
82 static inline void delay(void)
84 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
91 static inline unsigned char _ne_inb(void *portp)
93 return (unsigned char) *(volatile unsigned char *)portp;
96 static inline unsigned short _ne_inw(void *portp)
98 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
101 static inline void _ne_insb(void *portp, void * addr, unsigned long count)
103 unsigned char *buf = addr;
106 *buf++ = *(volatile unsigned char *)portp;
109 static inline void _ne_outb(unsigned char b, void *portp)
111 *(volatile unsigned char *)portp = (unsigned char)b;
114 static inline void _ne_outw(unsigned short w, void *portp)
116 *(volatile unsigned short *)portp = cpu_to_le16(w);
119 unsigned char _inb(unsigned long port)
121 if (port >= LAN_IOSTART && port < LAN_IOEND)
122 return _ne_inb(PORT2ADDR_NE(port));
123 #if defined(CONFIG_IDE)
124 else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
125 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
126 return *(volatile unsigned char *)__port2addr_ata(port);
129 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
130 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
132 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
136 return *(volatile unsigned char *)PORT2ADDR(port);
139 unsigned short _inw(unsigned long port)
141 if (port >= LAN_IOSTART && port < LAN_IOEND)
142 return _ne_inw(PORT2ADDR_NE(port));
143 #if defined(CONFIG_IDE)
144 else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
145 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
146 return *(volatile unsigned short *)__port2addr_ata(port);
149 #if defined(CONFIG_USB)
150 else if (port >= 0x340 && port < 0x3a0)
151 return *(volatile unsigned short *)PORT2ADDR_USB(port);
154 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
155 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
157 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
161 return *(volatile unsigned short *)PORT2ADDR(port);
164 unsigned long _inl(unsigned long port)
166 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
167 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
169 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
173 return *(volatile unsigned long *)PORT2ADDR(port);
176 unsigned char _inb_p(unsigned long port)
178 unsigned char v = _inb(port);
183 unsigned short _inw_p(unsigned long port)
185 unsigned short v = _inw(port);
190 unsigned long _inl_p(unsigned long port)
192 unsigned long v = _inl(port);
197 void _outb(unsigned char b, unsigned long port)
199 if (port >= LAN_IOSTART && port < LAN_IOEND)
200 _ne_outb(b, PORT2ADDR_NE(port));
202 #if defined(CONFIG_IDE)
203 if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
204 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
205 *(volatile unsigned char *)__port2addr_ata(port) = b;
208 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
209 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
210 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
213 *(volatile unsigned char *)PORT2ADDR(port) = b;
216 void _outw(unsigned short w, unsigned long port)
218 if (port >= LAN_IOSTART && port < LAN_IOEND)
219 _ne_outw(w, PORT2ADDR_NE(port));
221 #if defined(CONFIG_IDE)
222 if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
223 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
224 *(volatile unsigned short *)__port2addr_ata(port) = w;
227 #if defined(CONFIG_USB)
228 if (port >= 0x340 && port < 0x3a0)
229 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
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, &w, sizeof(w), 1, 0);
237 *(volatile unsigned short *)PORT2ADDR(port) = w;
240 void _outl(unsigned long l, unsigned long port)
242 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
243 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
244 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
247 *(volatile unsigned long *)PORT2ADDR(port) = l;
250 void _outb_p(unsigned char b, unsigned long port)
256 void _outw_p(unsigned short w, unsigned long port)
262 void _outl_p(unsigned long l, unsigned long port)
268 void _insb(unsigned int port, void * addr, unsigned long count)
270 if (port >= LAN_IOSTART && port < LAN_IOEND)
271 _ne_insb(PORT2ADDR_NE(port), addr, count);
272 #if defined(CONFIG_IDE)
273 else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
274 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
275 unsigned char *buf = addr;
276 unsigned char *portp = __port2addr_ata(port);
278 *buf++ = *(volatile unsigned char *)portp;
281 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
282 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
283 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
288 unsigned char *buf = addr;
289 unsigned char *portp = PORT2ADDR(port);
291 *buf++ = *(volatile unsigned char *)portp;
295 void _insw(unsigned int port, void * addr, unsigned long count)
297 unsigned short *buf = addr;
298 unsigned short *portp;
300 if (port >= LAN_IOSTART && port < LAN_IOEND) {
301 portp = PORT2ADDR_NE(port);
303 *buf++ = *(volatile unsigned short *)portp;
304 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
305 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
306 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
309 #if defined(CONFIG_IDE)
310 } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
311 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
312 portp = __port2addr_ata(port);
314 *buf++ = *(volatile unsigned short *)portp;
317 portp = PORT2ADDR(port);
319 *buf++ = *(volatile unsigned short *)portp;
323 void _insl(unsigned int port, void * addr, unsigned long count)
325 unsigned long *buf = addr;
326 unsigned long *portp;
328 portp = PORT2ADDR(port);
330 *buf++ = *(volatile unsigned long *)portp;
333 void _outsb(unsigned int port, const void * addr, unsigned long count)
335 const unsigned char *buf = addr;
336 unsigned char *portp;
338 if (port >= LAN_IOSTART && port < LAN_IOEND) {
339 portp = PORT2ADDR_NE(port);
341 _ne_outb(*buf++, portp);
342 #if defined(CONFIG_IDE)
343 } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
344 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
345 portp = __port2addr_ata(port);
347 *(volatile unsigned char *)portp = *buf++;
349 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
350 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
351 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
355 portp = PORT2ADDR(port);
357 *(volatile unsigned char *)portp = *buf++;
361 void _outsw(unsigned int port, const void * addr, unsigned long count)
363 const unsigned short *buf = addr;
364 unsigned short *portp;
366 if (port >= LAN_IOSTART && port < LAN_IOEND) {
367 portp = PORT2ADDR_NE(port);
369 *(volatile unsigned short *)portp = *buf++;
370 #if defined(CONFIG_IDE)
371 } else if ( ((port >= 0x170 && port <=0x177) || port == 0x376) ||
372 ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) ){
373 portp = __port2addr_ata(port);
375 *(volatile unsigned short *)portp = *buf++;
377 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
378 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
379 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
383 portp = PORT2ADDR(port);
385 *(volatile unsigned short *)portp = *buf++;
389 void _outsl(unsigned int port, const void * addr, unsigned long count)
391 const unsigned long *buf = addr;
392 unsigned char *portp;
394 portp = PORT2ADDR(port);
396 *(volatile unsigned long *)portp = *buf++;