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) && !defined(CONFIG_M32R_CFC)
40 static inline void *__port2addr_ata(unsigned long port)
45 case 0x1f0: return (void *)0xb4002000;
46 case 0x1f1: return (void *)0xb4012800;
47 case 0x1f2: return (void *)0xb4012002;
48 case 0x1f3: return (void *)0xb4012802;
49 case 0x1f4: return (void *)0xb4012004;
50 case 0x1f5: return (void *)0xb4012804;
51 case 0x1f6: return (void *)0xb4012006;
52 case 0x1f7: return (void *)0xb4012806;
53 case 0x3f6: return (void *)0xb401200e;
54 default: return (void *)&dummy_reg;
59 #define LAN_IOSTART 0xa0000300
60 #define LAN_IOEND 0xa0000320
61 static inline void *_port2addr_ne(unsigned long port)
63 return (void *)(port + 0x10000000);
66 static inline void *_port2addr_usb(unsigned long port)
68 return (void *)(port + NONCACHE_OFFSET + 0x12000000);
70 static inline void delay(void)
72 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
79 static inline unsigned char _ne_inb(void *portp)
81 return (unsigned char) *(volatile unsigned char *)portp;
84 static inline unsigned short _ne_inw(void *portp)
86 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
89 static inline void _ne_insb(void *portp, void * addr, unsigned long count)
91 unsigned char *buf = addr;
94 *buf++ = *(volatile unsigned char *)portp;
97 static inline void _ne_outb(unsigned char b, void *portp)
99 *(volatile unsigned char *)portp = (unsigned char)b;
102 static inline void _ne_outw(unsigned short w, void *portp)
104 *(volatile unsigned short *)portp = cpu_to_le16(w);
107 unsigned char _inb(unsigned long port)
109 if (port >= LAN_IOSTART && port < LAN_IOEND)
110 return _ne_inb(PORT2ADDR_NE(port));
111 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
112 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
113 return *(volatile unsigned char *)__port2addr_ata(port);
116 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
117 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
119 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
123 return *(volatile unsigned char *)PORT2ADDR(port);
126 unsigned short _inw(unsigned long port)
128 if (port >= LAN_IOSTART && port < LAN_IOEND)
129 return _ne_inw(PORT2ADDR_NE(port));
130 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
131 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
132 return *(volatile unsigned short *)__port2addr_ata(port);
135 #if defined(CONFIG_USB)
136 else if (port >= 0x340 && port < 0x3a0)
137 return *(volatile unsigned short *)PORT2ADDR_USB(port);
140 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
141 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
143 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
147 return *(volatile unsigned short *)PORT2ADDR(port);
150 unsigned long _inl(unsigned long port)
152 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
153 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
155 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
159 return *(volatile unsigned long *)PORT2ADDR(port);
162 unsigned char _inb_p(unsigned long port)
164 unsigned char v = _inb(port);
169 unsigned short _inw_p(unsigned long port)
171 unsigned short v = _inw(port);
176 unsigned long _inl_p(unsigned long port)
178 unsigned long v = _inl(port);
183 void _outb(unsigned char b, unsigned long port)
185 if (port >= LAN_IOSTART && port < LAN_IOEND)
186 _ne_outb(b, PORT2ADDR_NE(port));
188 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
189 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
190 *(volatile unsigned char *)__port2addr_ata(port) = b;
193 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
194 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
195 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
198 *(volatile unsigned char *)PORT2ADDR(port) = b;
201 void _outw(unsigned short w, unsigned long port)
203 if (port >= LAN_IOSTART && port < LAN_IOEND)
204 _ne_outw(w, PORT2ADDR_NE(port));
206 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
207 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
208 *(volatile unsigned short *)__port2addr_ata(port) = w;
211 #if defined(CONFIG_USB)
212 if (port >= 0x340 && port < 0x3a0)
213 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
216 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
217 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
218 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
221 *(volatile unsigned short *)PORT2ADDR(port) = w;
224 void _outl(unsigned long l, unsigned long port)
226 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
227 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
228 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
231 *(volatile unsigned long *)PORT2ADDR(port) = l;
234 void _outb_p(unsigned char b, unsigned long port)
240 void _outw_p(unsigned short w, unsigned long port)
246 void _outl_p(unsigned long l, unsigned long port)
252 void _insb(unsigned int port, void * addr, unsigned long count)
254 if (port >= LAN_IOSTART && port < LAN_IOEND)
255 _ne_insb(PORT2ADDR_NE(port), addr, count);
256 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
257 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
258 unsigned char *buf = addr;
259 unsigned char *portp = __port2addr_ata(port);
261 *buf++ = *(volatile unsigned char *)portp;
264 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
265 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
266 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
271 unsigned char *buf = addr;
272 unsigned char *portp = PORT2ADDR(port);
274 *buf++ = *(volatile unsigned char *)portp;
278 void _insw(unsigned int port, void * addr, unsigned long count)
280 unsigned short *buf = addr;
281 unsigned short *portp;
283 if (port >= LAN_IOSTART && port < LAN_IOEND) {
284 portp = PORT2ADDR_NE(port);
286 *buf++ = *(volatile unsigned short *)portp;
287 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
288 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
289 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
292 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
293 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
294 portp = __port2addr_ata(port);
296 *buf++ = *(volatile unsigned short *)portp;
299 portp = PORT2ADDR(port);
301 *buf++ = *(volatile unsigned short *)portp;
305 void _insl(unsigned int port, void * addr, unsigned long count)
307 unsigned long *buf = addr;
308 unsigned long *portp;
310 portp = PORT2ADDR(port);
312 *buf++ = *(volatile unsigned long *)portp;
315 void _outsb(unsigned int port, const void * addr, unsigned long count)
317 const unsigned char *buf = addr;
318 unsigned char *portp;
320 if (port >= LAN_IOSTART && port < LAN_IOEND) {
321 portp = PORT2ADDR_NE(port);
323 _ne_outb(*buf++, portp);
324 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
325 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
326 portp = __port2addr_ata(port);
328 *(volatile unsigned char *)portp = *buf++;
330 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
331 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
332 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
336 portp = PORT2ADDR(port);
338 *(volatile unsigned char *)portp = *buf++;
342 void _outsw(unsigned int port, const void * addr, unsigned long count)
344 const unsigned short *buf = addr;
345 unsigned short *portp;
347 if (port >= LAN_IOSTART && port < LAN_IOEND) {
348 portp = PORT2ADDR_NE(port);
350 *(volatile unsigned short *)portp = *buf++;
351 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
352 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
353 portp = __port2addr_ata(port);
355 *(volatile unsigned short *)portp = *buf++;
357 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
358 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
359 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
363 portp = PORT2ADDR(port);
365 *(volatile unsigned short *)portp = *buf++;
369 void _outsl(unsigned int port, const void * addr, unsigned long count)
371 const unsigned long *buf = addr;
372 unsigned char *portp;
374 portp = PORT2ADDR(port);
376 *(volatile unsigned long *)portp = *buf++;