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authorArnd Bergmann <arnd@arndb.de>2011-11-01 21:46:10 -0400
committerArnd Bergmann <arnd@arndb.de>2011-11-01 21:46:10 -0400
commit884897e6a10a86de0e611a76f4bf3fd0068a672c (patch)
tree019689fb9d129404af1efba4df10975bc9e0a57a /arch/arm/include/asm/io.h
parentc72dbae971400e466ad9ff16c920cd6d9d8c55a1 (diff)
parent8b61f37440388ebbd2a894178fe098f2e70ab392 (diff)
Merge branch 'highbank/soc' into next/soc
Conflicts: arch/arm/mach-mxs/include/mach/gpio.h arch/arm/mach-omap2/board-generic.c arch/arm/plat-mxc/include/mach/gpio.h
Diffstat (limited to 'arch/arm/include/asm/io.h')
-rw-r--r--arch/arm/include/asm/io.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index d66605dea55a..ffb089d46a17 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -110,6 +110,27 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
110#include <mach/io.h> 110#include <mach/io.h>
111 111
112/* 112/*
113 * This is the limit of PC card/PCI/ISA IO space, which is by default
114 * 64K if we have PC card, PCI or ISA support. Otherwise, default to
115 * zero to prevent ISA/PCI drivers claiming IO space (and potentially
116 * oopsing.)
117 *
118 * Only set this larger if you really need inb() et.al. to operate over
119 * a larger address space. Note that SOC_COMMON ioremaps each sockets
120 * IO space area, and so inb() et.al. must be defined to operate as per
121 * readb() et.al. on such platforms.
122 */
123#ifndef IO_SPACE_LIMIT
124#if defined(CONFIG_PCMCIA_SOC_COMMON) || defined(CONFIG_PCMCIA_SOC_COMMON_MODULE)
125#define IO_SPACE_LIMIT ((resource_size_t)0xffffffff)
126#elif defined(CONFIG_PCI) || defined(CONFIG_ISA) || defined(CONFIG_PCCARD)
127#define IO_SPACE_LIMIT ((resource_size_t)0xffff)
128#else
129#define IO_SPACE_LIMIT ((resource_size_t)0)
130#endif
131#endif
132
133/*
113 * IO port access primitives 134 * IO port access primitives
114 * ------------------------- 135 * -------------------------
115 * 136 *