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-rw-r--r--arch/sh/boards/mach-se/770x/io.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c
deleted file mode 100644
index 28833c8786ea..000000000000
--- a/arch/sh/boards/mach-se/770x/io.c
+++ /dev/null
@@ -1,156 +0,0 @@
1/*
2 * Copyright (C) 2000 Kazumoto Kojima
3 *
4 * I/O routine for Hitachi SolutionEngine.
5 */
6#include <linux/kernel.h>
7#include <linux/types.h>
8#include <asm/io.h>
9#include <mach-se/mach/se.h>
10
11/* MS7750 requires special versions of in*, out* routines, since
12 PC-like io ports are located at upper half byte of 16-bit word which
13 can be accessed only with 16-bit wide. */
14
15static inline volatile __u16 *
16port2adr(unsigned int port)
17{
18 if (port & 0xff000000)
19 return ( volatile __u16 *) port;
20 if (port >= 0x2000)
21 return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
22 else if (port >= 0x1000)
23 return (volatile __u16 *) (PA_83902 + (port << 1));
24 else
25 return (volatile __u16 *) (PA_SUPERIO + (port << 1));
26}
27
28static inline int
29shifted_port(unsigned long port)
30{
31 /* For IDE registers, value is not shifted */
32 if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
33 return 0;
34 else
35 return 1;
36}
37
38unsigned char se_inb(unsigned long port)
39{
40 if (shifted_port(port))
41 return (*port2adr(port) >> 8);
42 else
43 return (*port2adr(port))&0xff;
44}
45
46unsigned char se_inb_p(unsigned long port)
47{
48 unsigned long v;
49
50 if (shifted_port(port))
51 v = (*port2adr(port) >> 8);
52 else
53 v = (*port2adr(port))&0xff;
54 ctrl_delay();
55 return v;
56}
57
58unsigned short se_inw(unsigned long port)
59{
60 if (port >= 0x2000)
61 return *port2adr(port);
62 else
63 maybebadio(port);
64 return 0;
65}
66
67unsigned int se_inl(unsigned long port)
68{
69 maybebadio(port);
70 return 0;
71}
72
73void se_outb(unsigned char value, unsigned long port)
74{
75 if (shifted_port(port))
76 *(port2adr(port)) = value << 8;
77 else
78 *(port2adr(port)) = value;
79}
80
81void se_outb_p(unsigned char value, unsigned long port)
82{
83 if (shifted_port(port))
84 *(port2adr(port)) = value << 8;
85 else
86 *(port2adr(port)) = value;
87 ctrl_delay();
88}
89
90void se_outw(unsigned short value, unsigned long port)
91{
92 if (port >= 0x2000)
93 *port2adr(port) = value;
94 else
95 maybebadio(port);
96}
97
98void se_outl(unsigned int value, unsigned long port)
99{
100 maybebadio(port);
101}
102
103void se_insb(unsigned long port, void *addr, unsigned long count)
104{
105 volatile __u16 *p = port2adr(port);
106 __u8 *ap = addr;
107
108 if (shifted_port(port)) {
109 while (count--)
110 *ap++ = *p >> 8;
111 } else {
112 while (count--)
113 *ap++ = *p;
114 }
115}
116
117void se_insw(unsigned long port, void *addr, unsigned long count)
118{
119 volatile __u16 *p = port2adr(port);
120 __u16 *ap = addr;
121 while (count--)
122 *ap++ = *p;
123}
124
125void se_insl(unsigned long port, void *addr, unsigned long count)
126{
127 maybebadio(port);
128}
129
130void se_outsb(unsigned long port, const void *addr, unsigned long count)
131{
132 volatile __u16 *p = port2adr(port);
133 const __u8 *ap = addr;
134
135 if (shifted_port(port)) {
136 while (count--)
137 *p = *ap++ << 8;
138 } else {
139 while (count--)
140 *p = *ap++;
141 }
142}
143
144void se_outsw(unsigned long port, const void *addr, unsigned long count)
145{
146 volatile __u16 *p = port2adr(port);
147 const __u16 *ap = addr;
148
149 while (count--)
150 *p = *ap++;
151}
152
153void se_outsl(unsigned long port, const void *addr, unsigned long count)
154{
155 maybebadio(port);
156}