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| author | Michel Stam <m.stam@fugro.nl> | 2014-04-07 12:01:20 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-04-08 08:17:55 +0200 |
| commit | 4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0 (patch) | |
| tree | b3efb2fad02e4abe18ca0d0baefee5ebae6a3875 /arch | |
| parent | 0a5529d0edcd8c00a679c485f7266548851c6948 (diff) | |
| download | barebox-4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0.tar.gz barebox-4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0.tar.xz | |
common: Allow for I/O mapped I/O
Rework the current framework so that I/O mapped I/O resources are
also possible.
Signed-off-by: Michel Stam <michel@reverze.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/nios2/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/io.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/io.h | 2 |
5 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index e0630ebb7e..ccf1f59013 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -3,6 +3,8 @@ #include <asm-generic/io.h> +#define IO_SPACE_LIMIT 0 + /* * String version of IO memory access ops: */ diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 4100e1e52d..1cc8a51460 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -14,6 +14,8 @@ #include <asm/types.h> #include <asm/byteorder.h> +#define IO_SPACE_LIMIT 0 + /*****************************************************************************/ /* * readX/writeX() are used to access memory mapped devices. On some diff --git a/arch/nios2/include/asm/io.h b/arch/nios2/include/asm/io.h index 8ee48e08d3..59eea73ac2 100644 --- a/arch/nios2/include/asm/io.h +++ b/arch/nios2/include/asm/io.h @@ -22,6 +22,8 @@ #include <asm/byteorder.h> +#define IO_SPACE_LIMIT 0 + #define __raw_writeb(v, a) (*(volatile unsigned char *)(a) = (v)) #define __raw_writew(v, a) (*(volatile unsigned short *)(a) = (v)) #define __raw_writel(v, a) (*(volatile unsigned int *)(a) = (v)) diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h index 8ca164f214..35b578454e 100644 --- a/arch/sandbox/include/asm/io.h +++ b/arch/sandbox/include/asm/io.h @@ -2,5 +2,6 @@ #define __ASM_SANDBOX_IO_H #include <asm-generic/io.h> +#define IO_SPACE_LIMIT 0 #endif /* __ASM_SANDBOX_IO_H */ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 9cb78e41ec..f020510569 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -12,6 +12,8 @@ #include <asm/byteorder.h> +#define IO_SPACE_LIMIT 0xffff + static inline void outb(unsigned char value, int port) { asm volatile("outb %b0, %w1" : : "a"(value), "Nd"(port)); |