2 * linux/arch/m32r/kernel/io_mappi.c
4 * Typical I/O routines for Mappi board.
6 * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
13 #include <asm/byteorder.h>
15 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
16 #include <linux/types.h>
18 #define M32R_PCC_IOMAP_SIZE 0x1000
20 #define M32R_PCC_IOSTART0 0x1000
21 #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
22 #define M32R_PCC_IOSTART1 0x2000
23 #define M32R_PCC_IOEND1 (M32R_PCC_IOSTART1 + M32R_PCC_IOMAP_SIZE - 1)
25 extern void pcc_ioread(int, unsigned long, void *, size_t, size_t, int);
26 extern void pcc_iowrite(int, unsigned long, void *, size_t, size_t, int);
27 #endif /* CONFIG_PCMCIA && CONFIG_M32R_PCC */
29 #define PORT2ADDR(port) _port2addr(port)
31 static inline void *_port2addr(unsigned long port)
33 return (void *)(port | NONCACHE_OFFSET);
36 static inline void *_port2addr_ne(unsigned long port)
38 return (void *)((port<<1) + NONCACHE_OFFSET + 0x0C000000);
41 static inline void delay(void)
43 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
50 #define PORT2ADDR_NE(port) _port2addr_ne(port)
52 static inline unsigned char _ne_inb(void *portp)
54 return (unsigned char) *(volatile unsigned short *)portp;
57 static inline unsigned short _ne_inw(void *portp)
61 tmp = *(volatile unsigned short *)portp;
62 return le16_to_cpu(tmp);
65 static inline void _ne_outb(unsigned char b, void *portp)
67 *(volatile unsigned short *)portp = (unsigned short)b;
70 static inline void _ne_outw(unsigned short w, void *portp)
72 *(volatile unsigned short *)portp = cpu_to_le16(w);
75 unsigned char _inb(unsigned long port)
77 if (port >= 0x300 && port < 0x320)
78 return _ne_inb(PORT2ADDR_NE(port));
80 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
81 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
83 pcc_ioread(0, port, &b, sizeof(b), 1, 0);
85 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
87 pcc_ioread(1, port, &b, sizeof(b), 1, 0);
92 return *(volatile unsigned char *)PORT2ADDR(port);
95 unsigned short _inw(unsigned long port)
97 if (port >= 0x300 && port < 0x320)
98 return _ne_inw(PORT2ADDR_NE(port));
100 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
101 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
103 pcc_ioread(0, port, &w, sizeof(w), 1, 0);
105 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
107 pcc_ioread(1, port, &w, sizeof(w), 1, 0);
111 return *(volatile unsigned short *)PORT2ADDR(port);
114 unsigned long _inl(unsigned long port)
116 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
117 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
119 pcc_ioread(0, port, &l, sizeof(l), 1, 0);
121 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
123 pcc_ioread(1, port, &l, sizeof(l), 1, 0);
127 return *(volatile unsigned long *)PORT2ADDR(port);
130 unsigned char _inb_p(unsigned long port)
132 unsigned char v = _inb(port);
137 unsigned short _inw_p(unsigned long port)
139 unsigned short v = _inw(port);
144 unsigned long _inl_p(unsigned long port)
146 unsigned long v = _inl(port);
151 void _outb(unsigned char b, unsigned long port)
153 if (port >= 0x300 && port < 0x320)
154 _ne_outb(b, PORT2ADDR_NE(port));
156 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
157 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
158 pcc_iowrite(0, port, &b, sizeof(b), 1, 0);
159 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
160 pcc_iowrite(1, port, &b, sizeof(b), 1, 0);
163 *(volatile unsigned char *)PORT2ADDR(port) = b;
166 void _outw(unsigned short w, unsigned long port)
168 if (port >= 0x300 && port < 0x320)
169 _ne_outw(w, PORT2ADDR_NE(port));
171 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
172 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
173 pcc_iowrite(0, port, &w, sizeof(w), 1, 0);
174 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
175 pcc_iowrite(1, port, &w, sizeof(w), 1, 0);
178 *(volatile unsigned short *)PORT2ADDR(port) = w;
181 void _outl(unsigned long l, unsigned long port)
183 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
184 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
185 pcc_iowrite(0, port, &l, sizeof(l), 1, 0);
186 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
187 pcc_iowrite(1, port, &l, sizeof(l), 1, 0);
190 *(volatile unsigned long *)PORT2ADDR(port) = l;
193 void _outb_p(unsigned char b, unsigned long port)
199 void _outw_p(unsigned short w, unsigned long port)
205 void _outl_p(unsigned long l, unsigned long port)
211 void _insb(unsigned int port, void *addr, unsigned long count)
213 unsigned short *buf = addr;
214 unsigned short *portp;
216 if (port >= 0x300 && port < 0x320){
217 portp = PORT2ADDR_NE(port);
219 *buf++ = *(volatile unsigned char *)portp;
220 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
221 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
222 pcc_ioread(0, port, (void *)addr, sizeof(unsigned char),
224 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
225 pcc_ioread(1, port, (void *)addr, sizeof(unsigned char),
229 portp = PORT2ADDR(port);
231 *buf++ = *(volatile unsigned char *)portp;
235 void _insw(unsigned int port, void *addr, unsigned long count)
237 unsigned short *buf = addr;
238 unsigned short *portp;
240 if (port >= 0x300 && port < 0x320) {
241 portp = PORT2ADDR_NE(port);
243 *buf++ = _ne_inw(portp);
244 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
245 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
246 pcc_ioread(0, port, (void *)addr, sizeof(unsigned short),
248 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
249 pcc_ioread(1, port, (void *)addr, sizeof(unsigned short),
253 portp = PORT2ADDR(port);
255 *buf++ = *(volatile unsigned short *)portp;
259 void _insl(unsigned int port, void *addr, unsigned long count)
261 unsigned long *buf = addr;
262 unsigned long *portp;
264 portp = PORT2ADDR(port);
266 *buf++ = *(volatile unsigned long *)portp;
269 void _outsb(unsigned int port, const void *addr, unsigned long count)
271 const unsigned char *buf = addr;
272 unsigned char *portp;
274 if (port >= 0x300 && port < 0x320) {
275 portp = PORT2ADDR_NE(port);
277 _ne_outb(*buf++, portp);
278 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
279 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
280 pcc_iowrite(0, port, (void *)addr, sizeof(unsigned char),
282 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
283 pcc_iowrite(1, port, (void *)addr, sizeof(unsigned char),
287 portp = PORT2ADDR(port);
289 *(volatile unsigned char *)portp = *buf++;
293 void _outsw(unsigned int port, const void *addr, unsigned long count)
295 const unsigned short *buf = addr;
296 unsigned short *portp;
298 if (port >= 0x300 && port < 0x320) {
299 portp = PORT2ADDR_NE(port);
301 _ne_outw(*buf++, portp);
302 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_PCC)
303 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
304 pcc_iowrite(0, port, (void *)addr, sizeof(unsigned short),
306 } else if (port >= M32R_PCC_IOSTART1 && port <= M32R_PCC_IOEND1) {
307 pcc_iowrite(1, port, (void *)addr, sizeof(unsigned short),
311 portp = PORT2ADDR(port);
313 *(volatile unsigned short *)portp = *buf++;
317 void _outsl(unsigned int port, const void *addr, unsigned long count)
319 const unsigned long *buf = addr;
320 unsigned char *portp;
322 portp = PORT2ADDR(port);
324 *(volatile unsigned long *)portp = *buf++;