2 * linux/arch/m32r/kernel/io_opsput.c
4 * Typical I/O routines for OPSPUT 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));
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 0xa0000300
48 #define LAN_IOEND 0xa0000320
49 static inline void *_port2addr_ne(unsigned long port)
51 return (void *)(port + 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));
101 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
102 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
104 pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
109 return *(volatile unsigned char *)PORT2ADDR(port);
112 unsigned short _inw(unsigned long port)
114 if (port >= LAN_IOSTART && port < LAN_IOEND)
115 return _ne_inw(PORT2ADDR_NE(port));
116 #if defined(CONFIG_USB)
117 else if(port >= 0x340 && port < 0x3a0)
118 return *(volatile unsigned short *)PORT2ADDR_USB(port);
120 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
121 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
123 pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
127 return *(volatile unsigned short *)PORT2ADDR(port);
130 unsigned long _inl(unsigned long port)
132 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
133 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
135 pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
139 return *(volatile unsigned long *)PORT2ADDR(port);
142 unsigned char _inb_p(unsigned long port)
144 unsigned char v = _inb(port);
149 unsigned short _inw_p(unsigned long port)
151 unsigned short v = _inw(port);
156 unsigned long _inl_p(unsigned long port)
158 unsigned long v = _inl(port);
163 void _outb(unsigned char b, unsigned long port)
165 if (port >= LAN_IOSTART && port < LAN_IOEND)
166 _ne_outb(b, PORT2ADDR_NE(port));
168 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
169 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
170 pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
173 *(volatile unsigned char *)PORT2ADDR(port) = b;
176 void _outw(unsigned short w, unsigned long port)
178 if (port >= LAN_IOSTART && port < LAN_IOEND)
179 _ne_outw(w, PORT2ADDR_NE(port));
181 #if defined(CONFIG_USB)
182 if(port >= 0x340 && port < 0x3a0)
183 *(volatile unsigned short *)PORT2ADDR_USB(port) = w;
186 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
187 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
188 pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
191 *(volatile unsigned short *)PORT2ADDR(port) = w;
194 void _outl(unsigned long l, unsigned long port)
196 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
197 if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
198 pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
201 *(volatile unsigned long *)PORT2ADDR(port) = l;
204 void _outb_p(unsigned char b, unsigned long port)
210 void _outw_p(unsigned short w, unsigned long port)
216 void _outl_p(unsigned long l, unsigned long port)
222 void _insb(unsigned int port, void *addr, unsigned long count)
224 if (port >= LAN_IOSTART && port < LAN_IOEND)
225 _ne_insb(PORT2ADDR_NE(port), addr, count);
226 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
227 else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
228 pcc_ioread_byte(0, port, (void *)addr, sizeof(unsigned char),
233 unsigned char *buf = addr;
234 unsigned char *portp = PORT2ADDR(port);
236 *buf++ = *(volatile unsigned char *)portp;
240 void _insw(unsigned int port, void *addr, unsigned long count)
242 unsigned short *buf = addr;
243 unsigned short *portp;
245 if (port >= LAN_IOSTART && port < LAN_IOEND) {
247 * This portion is only used by smc91111.c to read data
248 * from the DATA_REG. Do not swap the data.
250 portp = PORT2ADDR_NE(port);
252 *buf++ = *(volatile unsigned short *)portp;
253 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
254 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
255 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
259 portp = PORT2ADDR(port);
261 *buf++ = *(volatile unsigned short *)portp;
265 void _insl(unsigned int port, void *addr, unsigned long count)
267 unsigned long *buf = addr;
268 unsigned long *portp;
270 portp = PORT2ADDR(port);
272 *buf++ = *(volatile unsigned long *)portp;
275 void _outsb(unsigned int port, const void *addr, unsigned long count)
277 const unsigned char *buf = addr;
278 unsigned char *portp;
280 if (port >= LAN_IOSTART && port < LAN_IOEND) {
281 portp = PORT2ADDR_NE(port);
283 _ne_outb(*buf++, portp);
284 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
285 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
286 pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
290 portp = PORT2ADDR(port);
292 *(volatile unsigned char *)portp = *buf++;
296 void _outsw(unsigned int port, const void *addr, unsigned long count)
298 const unsigned short *buf = addr;
299 unsigned short *portp;
301 if (port >= LAN_IOSTART && port < LAN_IOEND) {
303 * This portion is only used by smc91111.c to write data
304 * into the DATA_REG. Do not swap the data.
306 portp = PORT2ADDR_NE(port);
308 *(volatile unsigned short *)portp = *buf++;
309 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
310 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
311 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
315 portp = PORT2ADDR(port);
317 *(volatile unsigned short *)portp = *buf++;
321 void _outsl(unsigned int port, const void *addr, unsigned long count)
323 const unsigned long *buf = addr;
324 unsigned char *portp;
326 portp = PORT2ADDR(port);
328 *(volatile unsigned long *)portp = *buf++;