2 * arch/sh/boards/se/73180/io.c
4 * Copyright (C) 2003 YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp>
5 * Based on arch/sh/boards/se/7300/io.c
7 * I/O routine for SH-Mobile3 73180 SolutionEngine.
11 #include <linux/kernel.h>
12 #include <asm/mach/se73180.h>
15 #define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a)
18 unsigned long start, end;
20 struct iop *(*check) (struct iop * p, unsigned long port);
21 unsigned char (*inb) (struct iop * p, unsigned long port);
22 unsigned short (*inw) (struct iop * p, unsigned long port);
23 void (*outb) (struct iop * p, unsigned char value, unsigned long port);
24 void (*outw) (struct iop * p, unsigned short value, unsigned long port);
28 simple_check(struct iop *p, unsigned long port)
30 if ((p->start <= port) && (port <= p->end))
37 ide_check(struct iop *p, unsigned long port)
39 if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7))
45 simple_inb(struct iop *p, unsigned long port)
47 return *(unsigned char *) (p->base + port);
51 simple_inw(struct iop *p, unsigned long port)
53 return *(unsigned short *) (p->base + port);
57 simple_outb(struct iop *p, unsigned char value, unsigned long port)
59 *(unsigned char *) (p->base + port) = value;
63 simple_outw(struct iop *p, unsigned short value, unsigned long port)
65 *(unsigned short *) (p->base + port) = value;
69 pcc_inb(struct iop *p, unsigned long port)
71 unsigned long addr = p->base + port + 0x40000;
76 v = *(volatile unsigned char *) addr;
81 pcc_outb(struct iop *p, unsigned char value, unsigned long port)
83 unsigned long addr = p->base + port + 0x40000;
87 *(volatile unsigned char *) addr = value;
91 bad_inb(struct iop *p, unsigned long port)
97 bad_outb(struct iop *p, unsigned char value, unsigned long port)
103 /* MSTLANEX01 LAN at 0xb400:0000 */
104 static struct iop laniop = {
108 .check = simple_check,
116 /* NE2000 pc card NIC */
117 static struct iop neiop = {
120 .base = 0xb0600000 + 0x80, /* soft 0x280 -> hard 0x300 */
121 .check = simple_check,
130 static struct iop cfiop = {
140 static __inline__ struct iop *
141 port2iop(unsigned long port)
144 #if defined(CONFIG_SMC91X)
145 else if (laniop.check(&laniop, port))
148 #if defined(CONFIG_NE2000)
149 else if (neiop.check(&neiop, port))
152 #if defined(CONFIG_IDE)
153 else if (cfiop.check(&cfiop, port))
157 return &neiop; /* fallback */
163 ctrl_inw(0xac000000);
164 ctrl_inw(0xac000000);
168 sh73180se_inb(unsigned long port)
170 struct iop *p = port2iop(port);
171 return (p->inb) (p, port);
175 sh73180se_inb_p(unsigned long port)
177 unsigned char v = sh73180se_inb(port);
183 sh73180se_inw(unsigned long port)
185 struct iop *p = port2iop(port);
186 return (p->inw) (p, port);
190 sh73180se_inl(unsigned long port)
196 sh73180se_outb(unsigned char value, unsigned long port)
198 struct iop *p = port2iop(port);
199 (p->outb) (p, value, port);
203 sh73180se_outb_p(unsigned char value, unsigned long port)
205 sh73180se_outb(value, port);
210 sh73180se_outw(unsigned short value, unsigned long port)
212 struct iop *p = port2iop(port);
213 (p->outw) (p, value, port);
217 sh73180se_outl(unsigned int value, unsigned long port)
223 sh73180se_insb(unsigned long port, void *addr, unsigned long count)
225 unsigned char *a = addr;
226 struct iop *p = port2iop(port);
228 *a++ = (p->inb) (p, port);
232 sh73180se_insw(unsigned long port, void *addr, unsigned long count)
234 unsigned short *a = addr;
235 struct iop *p = port2iop(port);
237 *a++ = (p->inw) (p, port);
241 sh73180se_insl(unsigned long port, void *addr, unsigned long count)
247 sh73180se_outsb(unsigned long port, const void *addr, unsigned long count)
249 unsigned char *a = (unsigned char *) addr;
250 struct iop *p = port2iop(port);
252 (p->outb) (p, *a++, port);
256 sh73180se_outsw(unsigned long port, const void *addr, unsigned long count)
258 unsigned short *a = (unsigned short *) addr;
259 struct iop *p = port2iop(port);
261 (p->outw) (p, *a++, port);
265 sh73180se_outsl(unsigned long port, const void *addr, unsigned long count)