2 * linux/arch/m32r/kernel/io_mappi2.c
4 * Typical I/O routines for Mappi2 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 *)0xac002000;
49 case 0x1f1: return (void *)0xac012800;
50 case 0x1f2: return (void *)0xac012002;
51 case 0x1f3: return (void *)0xac012802;
52 case 0x1f4: return (void *)0xac012004;
53 case 0x1f5: return (void *)0xac012804;
54 case 0x1f6: return (void *)0xac012006;
55 case 0x1f7: return (void *)0xac012806;
56 case 0x3f6: return (void *)0xac01200e;
57 default: return (void *)&dummy_reg;
62 #ifdef CONFIG_CHIP_OPSP
63 static inline void *_port2addr_ne(unsigned long port)
65 return (void *)(port + NONCACHE_OFFSET + 0x10000000);
68 static inline void *_port2addr_ne(unsigned long port)
70 return (void *)(port + NONCACHE_OFFSET + 0x04000000);
73 static inline void *_port2addr_usb(unsigned long port)
75 return (void *)(port + NONCACHE_OFFSET + 0x14000000);
77 static inline void delay(void)
79 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
86 static inline unsigned char _ne_inb(void *portp)
88 return (unsigned char) *(volatile unsigned char *)portp;
91 static inline unsigned short _ne_inw(void *portp)
93 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
96 static inline void _ne_insb(void *portp, void * addr, unsigned long count)
98 unsigned char *buf = addr;
101 *buf++ = *(volatile unsigned char *)portp;
104 static inline void _ne_outb(unsigned char b, void *portp)
106 *(volatile unsigned char *)portp = (unsigned char)b;
109 static inline void _ne_outw(unsigned short w, void *portp)
111 *(volatile unsigned short *)portp = cpu_to_le16(w);
114 unsigned char _inb(unsigned long port)
116 if (port >= LAN_IOSTART && port < LAN_IOEND)
117 return _ne_inb(PORT2ADDR_NE(port));
118 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
119 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
120 return *(volatile unsigned char *)__port2addr_ata(port);
123 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
124 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
126 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
131 return *(volatile unsigned char *)PORT2ADDR(port);
134 unsigned short _inw(unsigned long port)
136 if (port >= LAN_IOSTART && port < LAN_IOEND)
137 return _ne_inw(PORT2ADDR_NE(port));
138 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
139 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
140 return *(volatile unsigned short *)__port2addr_ata(port);
143 #if defined(CONFIG_USB)
144 else if (port >= 0x340 && port < 0x3a0)
145 return *(volatile unsigned short *)PORT2ADDR_USB(port);
148 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
149 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
151 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
155 return *(volatile unsigned short *)PORT2ADDR(port);
158 unsigned long _inl(unsigned long port)
160 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
161 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
163 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
167 return *(volatile unsigned long *)PORT2ADDR(port);
170 unsigned char _inb_p(unsigned long port)
172 unsigned char v = _inb(port);
177 unsigned short _inw_p(unsigned long port)
179 unsigned short v = _inw(port);
184 unsigned long _inl_p(unsigned long port)
186 unsigned long v = _inl(port);
191 void _outb(unsigned char b, unsigned long port)
193 if (port >= LAN_IOSTART && port < LAN_IOEND)
194 _ne_outb(b, PORT2ADDR_NE(port));
196 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
197 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
198 *(volatile unsigned char *)__port2addr_ata(port) = b;
201 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
202 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
203 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
206 *(volatile unsigned char *)PORT2ADDR(port) = b;
209 void _outw(unsigned short w, unsigned long port)
211 if (port >= LAN_IOSTART && port < LAN_IOEND)
212 _ne_outw(w, PORT2ADDR_NE(port));
214 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
215 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
216 *(volatile unsigned short *)__port2addr_ata(port) = w;
219 #if defined(CONFIG_USB)
220 if (port >= 0x340 && port < 0x3a0)
221 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
224 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
225 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
226 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
229 *(volatile unsigned short *)PORT2ADDR(port) = w;
232 void _outl(unsigned long l, unsigned long port)
234 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
235 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
236 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
239 *(volatile unsigned long *)PORT2ADDR(port) = l;
242 void _outb_p(unsigned char b, unsigned long port)
248 void _outw_p(unsigned short w, unsigned long port)
254 void _outl_p(unsigned long l, unsigned long port)
260 void _insb(unsigned int port, void * addr, unsigned long count)
262 if (port >= LAN_IOSTART && port < LAN_IOEND)
263 _ne_insb(PORT2ADDR_NE(port), addr, count);
264 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
265 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
266 unsigned char *buf = addr;
267 unsigned char *portp = __port2addr_ata(port);
269 *buf++ = *(volatile unsigned char *)portp;
272 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
273 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
274 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
279 unsigned char *buf = addr;
280 unsigned char *portp = PORT2ADDR(port);
282 *buf++ = *(volatile unsigned char *)portp;
286 void _insw(unsigned int port, void * addr, unsigned long count)
288 unsigned short *buf = addr;
289 unsigned short *portp;
291 if (port >= LAN_IOSTART && port < LAN_IOEND) {
292 portp = PORT2ADDR_NE(port);
294 *buf++ = *(volatile unsigned short *)portp;
295 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
296 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
297 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
300 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
301 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
302 portp = __port2addr_ata(port);
304 *buf++ = *(volatile unsigned short *)portp;
307 portp = PORT2ADDR(port);
309 *buf++ = *(volatile unsigned short *)portp;
313 void _insl(unsigned int port, void * addr, unsigned long count)
315 unsigned long *buf = addr;
316 unsigned long *portp;
318 portp = PORT2ADDR(port);
320 *buf++ = *(volatile unsigned long *)portp;
323 void _outsb(unsigned int port, const void * addr, unsigned long count)
325 const unsigned char *buf = addr;
326 unsigned char *portp;
328 if (port >= LAN_IOSTART && port < LAN_IOEND) {
329 portp = PORT2ADDR_NE(port);
331 _ne_outb(*buf++, portp);
332 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
333 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
334 portp = __port2addr_ata(port);
336 *(volatile unsigned char *)portp = *buf++;
338 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
339 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
340 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
344 portp = PORT2ADDR(port);
346 *(volatile unsigned char *)portp = *buf++;
350 void _outsw(unsigned int port, const void * addr, unsigned long count)
352 const unsigned short *buf = addr;
353 unsigned short *portp;
355 if (port >= LAN_IOSTART && port < LAN_IOEND) {
356 portp = PORT2ADDR_NE(port);
358 *(volatile unsigned short *)portp = *buf++;
359 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
360 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
361 portp = __port2addr_ata(port);
363 *(volatile unsigned short *)portp = *buf++;
365 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
366 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
367 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
371 portp = PORT2ADDR(port);
373 *(volatile unsigned short *)portp = *buf++;
377 void _outsl(unsigned int port, const void * addr, unsigned long count)
379 const unsigned long *buf = addr;
380 unsigned char *portp;
382 portp = PORT2ADDR(port);
384 *(volatile unsigned long *)portp = *buf++;