diff options
Diffstat (limited to 'arch/arm/mach-ixp2000/include/mach/io.h')
-rw-r--r-- | arch/arm/mach-ixp2000/include/mach/io.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/arm/mach-ixp2000/include/mach/io.h b/arch/arm/mach-ixp2000/include/mach/io.h deleted file mode 100644 index f6552d6f35ab..000000000000 --- a/arch/arm/mach-ixp2000/include/mach/io.h +++ /dev/null | |||
@@ -1,133 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-ixp2000/include/mach/io.h | ||
3 | * | ||
4 | * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> | ||
5 | * Maintainer: Deepak Saxena <dsaxena@plexity.net> | ||
6 | * | ||
7 | * Copyright (C) 2002 Intel Corp. | ||
8 | * Copyrgiht (C) 2003-2004 MontaVista Software, Inc. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #ifndef __ASM_ARM_ARCH_IO_H | ||
16 | #define __ASM_ARM_ARCH_IO_H | ||
17 | |||
18 | #include <mach/hardware.h> | ||
19 | |||
20 | #define IO_SPACE_LIMIT 0xffffffff | ||
21 | |||
22 | /* | ||
23 | * The A? revisions of the IXP2000s assert byte lanes for PCI I/O | ||
24 | * transactions the other way round (MEM transactions don't have this | ||
25 | * issue), so if we want to support those models, we need to override | ||
26 | * the standard I/O functions. | ||
27 | * | ||
28 | * B0 and later have a bit that can be set to 1 to get the proper | ||
29 | * behavior for I/O transactions, which then allows us to use the | ||
30 | * standard I/O functions. This is what we do if the user does not | ||
31 | * explicitly ask for support for pre-B0. | ||
32 | */ | ||
33 | #ifdef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO | ||
34 | #define ___io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) | ||
35 | |||
36 | #define alignb(addr) (void __iomem *)((unsigned long)(addr) ^ 3) | ||
37 | #define alignw(addr) (void __iomem *)((unsigned long)(addr) ^ 2) | ||
38 | |||
39 | #define outb(v,p) __raw_writeb((v),alignb(___io(p))) | ||
40 | #define outw(v,p) __raw_writew((v),alignw(___io(p))) | ||
41 | #define outl(v,p) __raw_writel((v),___io(p)) | ||
42 | |||
43 | #define inb(p) ({ unsigned int __v = __raw_readb(alignb(___io(p))); __v; }) | ||
44 | #define inw(p) \ | ||
45 | ({ unsigned int __v = (__raw_readw(alignw(___io(p)))); __v; }) | ||
46 | #define inl(p) \ | ||
47 | ({ unsigned int __v = (__raw_readl(___io(p))); __v; }) | ||
48 | |||
49 | #define outsb(p,d,l) __raw_writesb(alignb(___io(p)),d,l) | ||
50 | #define outsw(p,d,l) __raw_writesw(alignw(___io(p)),d,l) | ||
51 | #define outsl(p,d,l) __raw_writesl(___io(p),d,l) | ||
52 | |||
53 | #define insb(p,d,l) __raw_readsb(alignb(___io(p)),d,l) | ||
54 | #define insw(p,d,l) __raw_readsw(alignw(___io(p)),d,l) | ||
55 | #define insl(p,d,l) __raw_readsl(___io(p),d,l) | ||
56 | |||
57 | #define __is_io_address(p) ((((unsigned long)(p)) & ~(IXP2000_PCI_IO_SIZE - 1)) == IXP2000_PCI_IO_VIRT_BASE) | ||
58 | |||
59 | #define ioread8(p) \ | ||
60 | ({ \ | ||
61 | unsigned int __v; \ | ||
62 | \ | ||
63 | if (__is_io_address(p)) { \ | ||
64 | __v = __raw_readb(alignb(p)); \ | ||
65 | } else { \ | ||
66 | __v = __raw_readb(p); \ | ||
67 | } \ | ||
68 | \ | ||
69 | __v; \ | ||
70 | }) \ | ||
71 | |||
72 | #define ioread16(p) \ | ||
73 | ({ \ | ||
74 | unsigned int __v; \ | ||
75 | \ | ||
76 | if (__is_io_address(p)) { \ | ||
77 | __v = __raw_readw(alignw(p)); \ | ||
78 | } else { \ | ||
79 | __v = le16_to_cpu(__raw_readw(p)); \ | ||
80 | } \ | ||
81 | \ | ||
82 | __v; \ | ||
83 | }) | ||
84 | |||
85 | #define ioread32(p) \ | ||
86 | ({ \ | ||
87 | unsigned int __v; \ | ||
88 | \ | ||
89 | if (__is_io_address(p)) { \ | ||
90 | __v = __raw_readl(p); \ | ||
91 | } else { \ | ||
92 | __v = le32_to_cpu(__raw_readl(p)); \ | ||
93 | } \ | ||
94 | \ | ||
95 | __v; \ | ||
96 | }) | ||
97 | |||
98 | #define iowrite8(v,p) \ | ||
99 | ({ \ | ||
100 | if (__is_io_address(p)) { \ | ||
101 | __raw_writeb((v), alignb(p)); \ | ||
102 | } else { \ | ||
103 | __raw_writeb((v), p); \ | ||
104 | } \ | ||
105 | }) | ||
106 | |||
107 | #define iowrite16(v,p) \ | ||
108 | ({ \ | ||
109 | if (__is_io_address(p)) { \ | ||
110 | __raw_writew((v), alignw(p)); \ | ||
111 | } else { \ | ||
112 | __raw_writew(cpu_to_le16(v), p); \ | ||
113 | } \ | ||
114 | }) | ||
115 | |||
116 | #define iowrite32(v,p) \ | ||
117 | ({ \ | ||
118 | if (__is_io_address(p)) { \ | ||
119 | __raw_writel((v), p); \ | ||
120 | } else { \ | ||
121 | __raw_writel(cpu_to_le32(v), p); \ | ||
122 | } \ | ||
123 | }) | ||
124 | |||
125 | #define ioport_map(port, nr) ___io(port) | ||
126 | |||
127 | #define ioport_unmap(addr) | ||
128 | #else | ||
129 | #define __io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) | ||
130 | #endif | ||
131 | |||
132 | |||
133 | #endif | ||