aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/mach-systemh/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/mach-systemh/io.c')
-rw-r--r--arch/sh/boards/mach-systemh/io.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/arch/sh/boards/mach-systemh/io.c b/arch/sh/boards/mach-systemh/io.c
deleted file mode 100644
index 15577ff1f715..000000000000
--- a/arch/sh/boards/mach-systemh/io.c
+++ /dev/null
@@ -1,158 +0,0 @@
1/*
2 * linux/arch/sh/boards/renesas/systemh/io.c
3 *
4 * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
5 * Based largely on io_se.c.
6 *
7 * I/O routine for Hitachi 7751 Systemh.
8 */
9#include <linux/kernel.h>
10#include <linux/types.h>
11#include <linux/pci.h>
12#include <mach/systemh7751.h>
13#include <asm/addrspace.h>
14#include <asm/io.h>
15
16#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area
17 of smc lan chip*/
18static inline volatile __u16 *
19port2adr(unsigned int port)
20{
21 if (port >= 0x2000)
22 return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
23 maybebadio((unsigned long)port);
24 return (volatile __u16*)port;
25}
26
27/*
28 * General outline: remap really low stuff [eventually] to SuperIO,
29 * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
30 * is mapped through the PCI IO window. Stuff with high bits (PXSEG)
31 * should be way beyond the window, and is used w/o translation for
32 * compatibility.
33 */
34unsigned char sh7751systemh_inb(unsigned long port)
35{
36 if (PXSEG(port))
37 return *(volatile unsigned char *)port;
38 else if (port <= 0x3F1)
39 return *(volatile unsigned char *)ETHER_IOMAP(port);
40 else
41 return (*port2adr(port))&0xff;
42}
43
44unsigned char sh7751systemh_inb_p(unsigned long port)
45{
46 unsigned char v;
47
48 if (PXSEG(port))
49 v = *(volatile unsigned char *)port;
50 else if (port <= 0x3F1)
51 v = *(volatile unsigned char *)ETHER_IOMAP(port);
52 else
53 v = (*port2adr(port))&0xff;
54 ctrl_delay();
55 return v;
56}
57
58unsigned short sh7751systemh_inw(unsigned long port)
59{
60 if (PXSEG(port))
61 return *(volatile unsigned short *)port;
62 else if (port >= 0x2000)
63 return *port2adr(port);
64 else if (port <= 0x3F1)
65 return *(volatile unsigned int *)ETHER_IOMAP(port);
66 else
67 maybebadio(port);
68 return 0;
69}
70
71unsigned int sh7751systemh_inl(unsigned long port)
72{
73 if (PXSEG(port))
74 return *(volatile unsigned long *)port;
75 else if (port >= 0x2000)
76 return *port2adr(port);
77 else if (port <= 0x3F1)
78 return *(volatile unsigned int *)ETHER_IOMAP(port);
79 else
80 maybebadio(port);
81 return 0;
82}
83
84void sh7751systemh_outb(unsigned char value, unsigned long port)
85{
86
87 if (PXSEG(port))
88 *(volatile unsigned char *)port = value;
89 else if (port <= 0x3F1)
90 *(volatile unsigned char *)ETHER_IOMAP(port) = value;
91 else
92 *(port2adr(port)) = value;
93}
94
95void sh7751systemh_outb_p(unsigned char value, unsigned long port)
96{
97 if (PXSEG(port))
98 *(volatile unsigned char *)port = value;
99 else if (port <= 0x3F1)
100 *(volatile unsigned char *)ETHER_IOMAP(port) = value;
101 else
102 *(port2adr(port)) = value;
103 ctrl_delay();
104}
105
106void sh7751systemh_outw(unsigned short value, unsigned long port)
107{
108 if (PXSEG(port))
109 *(volatile unsigned short *)port = value;
110 else if (port >= 0x2000)
111 *port2adr(port) = value;
112 else if (port <= 0x3F1)
113 *(volatile unsigned short *)ETHER_IOMAP(port) = value;
114 else
115 maybebadio(port);
116}
117
118void sh7751systemh_outl(unsigned int value, unsigned long port)
119{
120 if (PXSEG(port))
121 *(volatile unsigned long *)port = value;
122 else
123 maybebadio(port);
124}
125
126void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count)
127{
128 unsigned char *p = addr;
129 while (count--) *p++ = sh7751systemh_inb(port);
130}
131
132void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count)
133{
134 unsigned short *p = addr;
135 while (count--) *p++ = sh7751systemh_inw(port);
136}
137
138void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count)
139{
140 maybebadio(port);
141}
142
143void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count)
144{
145 unsigned char *p = (unsigned char*)addr;
146 while (count--) sh7751systemh_outb(*p++, port);
147}
148
149void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count)
150{
151 unsigned short *p = (unsigned short*)addr;
152 while (count--) sh7751systemh_outw(*p++, port);
153}
154
155void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count)
156{
157 maybebadio(port);
158}