diff options
author | Paul Mackerras <paulus@samba.org> | 2005-11-14 01:30:17 -0500 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-11-14 01:30:17 -0500 |
commit | 7568cb4ef6c507164b65b01f972a3bd026898ae1 (patch) | |
tree | ba608f4c84d8765d5a1491c345f6dc265b5ec4ea /arch/powerpc/kernel/iomap.c | |
parent | c55377ee73f6efeb373ae06f6e918d87660b4852 (diff) |
powerpc: Move most remaining ppc64 files over to arch/powerpc
Also deletes files in arch/ppc64 that are no longer used now that
we don't compile with ARCH=ppc64 any more.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/iomap.c')
-rw-r--r-- | arch/powerpc/kernel/iomap.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c new file mode 100644 index 000000000000..6160c8dbb7c5 --- /dev/null +++ b/arch/powerpc/kernel/iomap.c | |||
@@ -0,0 +1,146 @@ | |||
1 | /* | ||
2 | * arch/ppc64/kernel/iomap.c | ||
3 | * | ||
4 | * ppc64 "iomap" interface implementation. | ||
5 | * | ||
6 | * (C) Copyright 2004 Linus Torvalds | ||
7 | */ | ||
8 | #include <linux/init.h> | ||
9 | #include <linux/pci.h> | ||
10 | #include <linux/mm.h> | ||
11 | #include <asm/io.h> | ||
12 | |||
13 | /* | ||
14 | * Here comes the ppc64 implementation of the IOMAP | ||
15 | * interfaces. | ||
16 | */ | ||
17 | unsigned int fastcall ioread8(void __iomem *addr) | ||
18 | { | ||
19 | return readb(addr); | ||
20 | } | ||
21 | unsigned int fastcall ioread16(void __iomem *addr) | ||
22 | { | ||
23 | return readw(addr); | ||
24 | } | ||
25 | unsigned int fastcall ioread16be(void __iomem *addr) | ||
26 | { | ||
27 | return in_be16(addr); | ||
28 | } | ||
29 | unsigned int fastcall ioread32(void __iomem *addr) | ||
30 | { | ||
31 | return readl(addr); | ||
32 | } | ||
33 | unsigned int fastcall ioread32be(void __iomem *addr) | ||
34 | { | ||
35 | return in_be32(addr); | ||
36 | } | ||
37 | EXPORT_SYMBOL(ioread8); | ||
38 | EXPORT_SYMBOL(ioread16); | ||
39 | EXPORT_SYMBOL(ioread16be); | ||
40 | EXPORT_SYMBOL(ioread32); | ||
41 | EXPORT_SYMBOL(ioread32be); | ||
42 | |||
43 | void fastcall iowrite8(u8 val, void __iomem *addr) | ||
44 | { | ||
45 | writeb(val, addr); | ||
46 | } | ||
47 | void fastcall iowrite16(u16 val, void __iomem *addr) | ||
48 | { | ||
49 | writew(val, addr); | ||
50 | } | ||
51 | void fastcall iowrite16be(u16 val, void __iomem *addr) | ||
52 | { | ||
53 | out_be16(addr, val); | ||
54 | } | ||
55 | void fastcall iowrite32(u32 val, void __iomem *addr) | ||
56 | { | ||
57 | writel(val, addr); | ||
58 | } | ||
59 | void fastcall iowrite32be(u32 val, void __iomem *addr) | ||
60 | { | ||
61 | out_be32(addr, val); | ||
62 | } | ||
63 | EXPORT_SYMBOL(iowrite8); | ||
64 | EXPORT_SYMBOL(iowrite16); | ||
65 | EXPORT_SYMBOL(iowrite16be); | ||
66 | EXPORT_SYMBOL(iowrite32); | ||
67 | EXPORT_SYMBOL(iowrite32be); | ||
68 | |||
69 | /* | ||
70 | * These are the "repeat read/write" functions. Note the | ||
71 | * non-CPU byte order. We do things in "IO byteorder" | ||
72 | * here. | ||
73 | * | ||
74 | * FIXME! We could make these do EEH handling if we really | ||
75 | * wanted. Not clear if we do. | ||
76 | */ | ||
77 | void ioread8_rep(void __iomem *addr, void *dst, unsigned long count) | ||
78 | { | ||
79 | _insb((u8 __iomem *) addr, dst, count); | ||
80 | } | ||
81 | void ioread16_rep(void __iomem *addr, void *dst, unsigned long count) | ||
82 | { | ||
83 | _insw_ns((u16 __iomem *) addr, dst, count); | ||
84 | } | ||
85 | void ioread32_rep(void __iomem *addr, void *dst, unsigned long count) | ||
86 | { | ||
87 | _insl_ns((u32 __iomem *) addr, dst, count); | ||
88 | } | ||
89 | EXPORT_SYMBOL(ioread8_rep); | ||
90 | EXPORT_SYMBOL(ioread16_rep); | ||
91 | EXPORT_SYMBOL(ioread32_rep); | ||
92 | |||
93 | void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count) | ||
94 | { | ||
95 | _outsb((u8 __iomem *) addr, src, count); | ||
96 | } | ||
97 | void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count) | ||
98 | { | ||
99 | _outsw_ns((u16 __iomem *) addr, src, count); | ||
100 | } | ||
101 | void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) | ||
102 | { | ||
103 | _outsl_ns((u32 __iomem *) addr, src, count); | ||
104 | } | ||
105 | EXPORT_SYMBOL(iowrite8_rep); | ||
106 | EXPORT_SYMBOL(iowrite16_rep); | ||
107 | EXPORT_SYMBOL(iowrite32_rep); | ||
108 | |||
109 | void __iomem *ioport_map(unsigned long port, unsigned int len) | ||
110 | { | ||
111 | if (!_IO_IS_VALID(port)) | ||
112 | return NULL; | ||
113 | return (void __iomem *) (port+pci_io_base); | ||
114 | } | ||
115 | |||
116 | void ioport_unmap(void __iomem *addr) | ||
117 | { | ||
118 | /* Nothing to do */ | ||
119 | } | ||
120 | EXPORT_SYMBOL(ioport_map); | ||
121 | EXPORT_SYMBOL(ioport_unmap); | ||
122 | |||
123 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) | ||
124 | { | ||
125 | unsigned long start = pci_resource_start(dev, bar); | ||
126 | unsigned long len = pci_resource_len(dev, bar); | ||
127 | unsigned long flags = pci_resource_flags(dev, bar); | ||
128 | |||
129 | if (!len) | ||
130 | return NULL; | ||
131 | if (max && len > max) | ||
132 | len = max; | ||
133 | if (flags & IORESOURCE_IO) | ||
134 | return ioport_map(start, len); | ||
135 | if (flags & IORESOURCE_MEM) | ||
136 | return ioremap(start, len); | ||
137 | /* What? */ | ||
138 | return NULL; | ||
139 | } | ||
140 | |||
141 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | ||
142 | { | ||
143 | /* Nothing to do */ | ||
144 | } | ||
145 | EXPORT_SYMBOL(pci_iomap); | ||
146 | EXPORT_SYMBOL(pci_iounmap); | ||