2 * linux/arch/m32r/kernel/io_m32700ut.c
4 * Typical I/O routines for M32700UT board.
6 * Copyright (c) 2001-2005 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);
42 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
43 static inline void *__port2addr_ata(unsigned long port)
48 case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET);
49 case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET);
50 case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET);
51 case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET);
52 case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET);
53 case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET);
54 case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET);
55 case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET);
56 case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET);
57 default: return (void *)&dummy_reg;
63 * M32700UT-LAN is located in the extended bus space
64 * from 0x10000000 to 0x13ffffff on physical address.
65 * The base address of LAN controller(LAN91C111) is 0x300.
67 #define LAN_IOSTART (0x300 | NONCACHE_OFFSET)
68 #define LAN_IOEND (0x320 | NONCACHE_OFFSET)
69 static inline void *_port2addr_ne(unsigned long port)
71 return (void *)(port + 0x10000000);
73 static inline void *_port2addr_usb(unsigned long port)
75 return (void *)((port & 0x0f) + NONCACHE_OFFSET + 0x10303000);
78 static inline void delay(void)
80 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
87 #define PORT2ADDR_NE(port) _port2addr_ne(port)
89 static inline unsigned char _ne_inb(void *portp)
91 return *(volatile unsigned char *)portp;
94 static inline unsigned short _ne_inw(void *portp)
96 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
99 static inline void _ne_insb(void *portp, void *addr, unsigned long count)
101 unsigned char *buf = (unsigned char *)addr;
104 *buf++ = _ne_inb(portp);
107 static inline void _ne_outb(unsigned char b, void *portp)
109 *(volatile unsigned char *)portp = b;
112 static inline void _ne_outw(unsigned short w, void *portp)
114 *(volatile unsigned short *)portp = cpu_to_le16(w);
117 unsigned char _inb(unsigned long port)
119 if (port >= LAN_IOSTART && port < LAN_IOEND)
120 return _ne_inb(PORT2ADDR_NE(port));
122 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
123 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
124 return *(volatile unsigned char *)__port2addr_ata(port);
127 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
128 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
130 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
135 return *(volatile unsigned char *)PORT2ADDR(port);
138 unsigned short _inw(unsigned long port)
140 if (port >= LAN_IOSTART && port < LAN_IOEND)
141 return _ne_inw(PORT2ADDR_NE(port));
142 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
143 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
144 return *(volatile unsigned short *)__port2addr_ata(port);
147 #if defined(CONFIG_USB)
148 else if(port >= 0x340 && port < 0x3a0)
149 return *(volatile unsigned short *)PORT2ADDR_USB(port);
151 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
152 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
154 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
158 return *(volatile unsigned short *)PORT2ADDR(port);
161 unsigned long _inl(unsigned long port)
163 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
164 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
166 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
170 return *(volatile unsigned long *)PORT2ADDR(port);
173 unsigned char _inb_p(unsigned long port)
175 unsigned char v = _inb(port);
180 unsigned short _inw_p(unsigned long port)
182 unsigned short v = _inw(port);
187 unsigned long _inl_p(unsigned long port)
189 unsigned long v = _inl(port);
194 void _outb(unsigned char b, unsigned long port)
196 if (port >= LAN_IOSTART && port < LAN_IOEND)
197 _ne_outb(b, PORT2ADDR_NE(port));
199 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
200 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
201 *(volatile unsigned char *)__port2addr_ata(port) = b;
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_IDE) && !defined(CONFIG_M32R_CFC)
218 if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
219 *(volatile unsigned short *)__port2addr_ata(port) = w;
222 #if defined(CONFIG_USB)
223 if(port >= 0x340 && port < 0x3a0)
224 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
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, &w, sizeof(w), 1, 0);
232 *(volatile unsigned short *)PORT2ADDR(port) = w;
235 void _outl(unsigned long l, unsigned long port)
237 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
238 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
239 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
242 *(volatile unsigned long *)PORT2ADDR(port) = l;
245 void _outb_p(unsigned char b, unsigned long port)
251 void _outw_p(unsigned short w, unsigned long port)
257 void _outl_p(unsigned long l, unsigned long port)
263 void _insb(unsigned int port, void *addr, unsigned long count)
265 if (port >= LAN_IOSTART && port < LAN_IOEND)
266 _ne_insb(PORT2ADDR_NE(port), addr, count);
267 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
268 else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
269 unsigned char *buf = addr;
270 unsigned char *portp = __port2addr_ata(port);
272 *buf++ = *(volatile unsigned char *)portp;
275 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
276 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
277 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
282 unsigned char *buf = addr;
283 unsigned char *portp = PORT2ADDR(port);
285 *buf++ = *(volatile unsigned char *)portp;
289 void _insw(unsigned int port, void *addr, unsigned long count)
291 unsigned short *buf = addr;
292 unsigned short *portp;
294 if (port >= LAN_IOSTART && port < LAN_IOEND) {
296 * This portion is only used by smc91111.c to read data
297 * from the DATA_REG. Do not swap the data.
299 portp = PORT2ADDR_NE(port);
301 *buf++ = *(volatile unsigned short *)portp;
302 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
303 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
304 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
307 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
308 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
309 portp = __port2addr_ata(port);
311 *buf++ = *(volatile unsigned short *)portp;
314 portp = PORT2ADDR(port);
316 *buf++ = *(volatile unsigned short *)portp;
320 void _insl(unsigned int port, void *addr, unsigned long count)
322 unsigned long *buf = addr;
323 unsigned long *portp;
325 portp = PORT2ADDR(port);
327 *buf++ = *(volatile unsigned long *)portp;
330 void _outsb(unsigned int port, const void *addr, unsigned long count)
332 const unsigned char *buf = addr;
333 unsigned char *portp;
335 if (port >= LAN_IOSTART && port < LAN_IOEND) {
336 portp = PORT2ADDR_NE(port);
338 _ne_outb(*buf++, portp);
339 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
340 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
341 portp = __port2addr_ata(port);
343 *(volatile unsigned char *)portp = *buf++;
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_IDE) && !defined(CONFIG_M32R_CFC)
371 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
372 portp = __port2addr_ata(port);
374 *(volatile unsigned short *)portp = *buf++;
376 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
377 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
378 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
382 portp = PORT2ADDR(port);
384 *(volatile unsigned short *)portp = *buf++;
388 void _outsl(unsigned int port, const void *addr, unsigned long count)
390 const unsigned long *buf = addr;
391 unsigned char *portp;
393 portp = PORT2ADDR(port);
395 *(volatile unsigned long *)portp = *buf++;