2 * linux/arch/m32r/kernel/io_mappi.c
4 * Typical I/O routines for OPSPUT board.
6 * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Takeo Takahashi
9 * This file is subject to the terms and conditions of the GNU General
10 * Public License. See the file "COPYING" in the main directory of this
11 * archive for more details.
14 #include <linux/config.h>
18 #include <asm/byteorder.h>
20 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
21 #include <linux/types.h>
23 #define M32R_PCC_IOMAP_SIZE 0x1000
25 #define M32R_PCC_IOSTART0 0x1000
26 #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
28 extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
29 extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
30 extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
31 extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
32 #endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
34 #define PORT2ADDR(port) _port2addr(port)
35 #define PORT2ADDR_USB(port) _port2addr_usb(port)
37 static inline void *_port2addr(unsigned long port)
39 return (void *)(port + NONCACHE_OFFSET);
43 * OPSPUT-LAN is located in the extended bus space
44 * from 0x10000000 to 0x13ffffff on physical address.
45 * The base address of LAN controller(LAN91C111) is 0x300.
47 #define LAN_IOSTART 0x300
48 #define LAN_IOEND 0x320
49 static inline void *_port2addr_ne(unsigned long port)
51 return (void *)(port + NONCACHE_OFFSET + 0x10000000);
53 static inline void *_port2addr_usb(unsigned long port)
55 return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000);
58 static inline void delay(void)
60 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
67 #define PORT2ADDR_NE(port) _port2addr_ne(port)
69 static inline unsigned char _ne_inb(void *portp)
71 return *(volatile unsigned char *)portp;
74 static inline unsigned short _ne_inw(void *portp)
76 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
79 static inline void _ne_insb(void *portp, void *addr, unsigned long count)
81 unsigned char *buf = (unsigned char *)addr;
84 *buf++ = _ne_inb(portp);
87 static inline void _ne_outb(unsigned char b, void *portp)
89 *(volatile unsigned char *)portp = b;
92 static inline void _ne_outw(unsigned short w, void *portp)
94 *(volatile unsigned short *)portp = cpu_to_le16(w);
97 unsigned char _inb(unsigned long port)
99 if (port >= LAN_IOSTART && port < LAN_IOEND)
100 return _ne_inb(PORT2ADDR_NE(port));
102 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
103 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
105 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
110 return *(volatile unsigned char *)PORT2ADDR(port);
113 unsigned short _inw(unsigned long port)
115 if (port >= LAN_IOSTART && port < LAN_IOEND)
116 return _ne_inw(PORT2ADDR_NE(port));
117 #if defined(CONFIG_USB)
118 else if(port >= 0x340 && port < 0x3a0)
119 return *(volatile unsigned short *)PORT2ADDR_USB(port);
122 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
123 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
125 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
129 return *(volatile unsigned short *)PORT2ADDR(port);
132 unsigned long _inl(unsigned long port)
134 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
135 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
137 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
141 return *(volatile unsigned long *)PORT2ADDR(port);
144 unsigned char _inb_p(unsigned long port)
148 if (port >= LAN_IOSTART && port < LAN_IOEND)
149 v = _ne_inb(PORT2ADDR_NE(port));
151 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
152 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
154 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
158 v = *(volatile unsigned char *)PORT2ADDR(port);
164 unsigned short _inw_p(unsigned long port)
168 if (port >= LAN_IOSTART && port < LAN_IOEND)
169 v = _ne_inw(PORT2ADDR_NE(port));
171 #if defined(CONFIG_USB)
172 if(port >= 0x340 && port < 0x3a0)
173 return *(volatile unsigned short *)PORT2ADDR_USB(port);
177 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
178 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
180 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
184 v = *(volatile unsigned short *)PORT2ADDR(port);
190 unsigned long _inl_p(unsigned long port)
194 v = *(volatile unsigned long *)PORT2ADDR(port);
199 void _outb(unsigned char b, unsigned long port)
201 if (port >= LAN_IOSTART && port < LAN_IOEND)
202 _ne_outb(b, PORT2ADDR_NE(port));
204 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
205 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
206 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
209 *(volatile unsigned char *)PORT2ADDR(port) = b;
212 void _outw(unsigned short w, unsigned long port)
214 if (port >= LAN_IOSTART && port < LAN_IOEND)
215 _ne_outw(w, PORT2ADDR_NE(port));
217 #if defined(CONFIG_USB)
218 if(port >= 0x340 && port < 0x3a0)
219 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
223 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
224 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
225 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
228 *(volatile unsigned short *)PORT2ADDR(port) = w;
231 void _outl(unsigned long l, unsigned long port)
233 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
234 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
235 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
238 *(volatile unsigned long *)PORT2ADDR(port) = l;
241 void _outb_p(unsigned char b, unsigned long port)
243 if (port >= LAN_IOSTART && port < LAN_IOEND)
244 _ne_outb(b, PORT2ADDR_NE(port));
246 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
247 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
248 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
251 *(volatile unsigned char *)PORT2ADDR(port) = b;
256 void _outw_p(unsigned short w, unsigned long port)
258 if (port >= LAN_IOSTART && port < LAN_IOEND)
259 _ne_outw(w, PORT2ADDR_NE(port));
261 #if defined(CONFIG_USB)
262 if(port >= 0x340 && port < 0x3a0)
263 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
267 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
268 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
269 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
272 *(volatile unsigned short *)PORT2ADDR(port) = w;
277 void _outl_p(unsigned long l, unsigned long port)
279 *(volatile unsigned long *)PORT2ADDR(port) = l;
283 void _insb(unsigned int port, void *addr, unsigned long count)
285 if (port >= LAN_IOSTART && port < LAN_IOEND)
286 _ne_insb(PORT2ADDR_NE(port), addr, count);
287 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
288 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
289 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
294 unsigned char *buf = addr;
295 unsigned char *portp = PORT2ADDR(port);
297 *buf++ = *(volatile unsigned char *)portp;
301 void _insw(unsigned int port, void *addr, unsigned long count)
303 unsigned short *buf = addr;
304 unsigned short *portp;
306 if (port >= LAN_IOSTART && port < LAN_IOEND) {
308 * This portion is only used by smc91111.c to read data
309 * from the DATA_REG. Do not swap the data.
311 portp = PORT2ADDR_NE(port);
313 *buf++ = *(volatile unsigned short *)portp;
314 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
315 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
316 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
320 portp = PORT2ADDR(port);
322 *buf++ = *(volatile unsigned short *)portp;
326 void _insl(unsigned int port, void *addr, unsigned long count)
328 unsigned long *buf = addr;
329 unsigned long *portp;
331 portp = PORT2ADDR(port);
333 *buf++ = *(volatile unsigned long *)portp;
336 void _outsb(unsigned int port, const void *addr, unsigned long count)
338 const unsigned char *buf = addr;
339 unsigned char *portp;
341 if (port >= LAN_IOSTART && port < LAN_IOEND) {
342 portp = PORT2ADDR_NE(port);
344 _ne_outb(*buf++, portp);
345 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
346 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
347 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
351 portp = PORT2ADDR(port);
353 *(volatile unsigned char *)portp = *buf++;
357 void _outsw(unsigned int port, const void *addr, unsigned long count)
359 const unsigned short *buf = addr;
360 unsigned short *portp;
362 if (port >= LAN_IOSTART && port < LAN_IOEND) {
364 * This portion is only used by smc91111.c to write data
365 * into the DATA_REG. Do not swap the data.
367 portp = PORT2ADDR_NE(port);
369 *(volatile unsigned short *)portp = *buf++;
370 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
371 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
372 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
376 portp = PORT2ADDR(port);
378 *(volatile unsigned short *)portp = *buf++;
382 void _outsl(unsigned int port, const void *addr, unsigned long count)
384 const unsigned long *buf = addr;
385 unsigned char *portp;
387 portp = PORT2ADDR(port);
389 *(volatile unsigned long *)portp = *buf++;