diff options
Diffstat (limited to 'include/asm-mips/mach-generic/mangle-port.h')
| -rw-r--r-- | include/asm-mips/mach-generic/mangle-port.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/include/asm-mips/mach-generic/mangle-port.h b/include/asm-mips/mach-generic/mangle-port.h deleted file mode 100644 index f49dc990214..00000000000 --- a/include/asm-mips/mach-generic/mangle-port.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2003, 2004 Ralf Baechle - */ -#ifndef __ASM_MACH_GENERIC_MANGLE_PORT_H -#define __ASM_MACH_GENERIC_MANGLE_PORT_H - -#define __swizzle_addr_b(port) (port) -#define __swizzle_addr_w(port) (port) -#define __swizzle_addr_l(port) (port) -#define __swizzle_addr_q(port) (port) - -/* - * Sane hardware offers swapping of PCI/ISA I/O space accesses in hardware; - * less sane hardware forces software to fiddle with this... - * - * Regardless, if the host bus endianness mismatches that of PCI/ISA, then - * you can't have the numerical value of data and byte addresses within - * multibyte quantities both preserved at the same time. Hence two - * variations of functions: non-prefixed ones that preserve the value - * and prefixed ones that preserve byte addresses. The latters are - * typically used for moving raw data between a peripheral and memory (cf. - * string I/O functions), hence the "__mem_" prefix. - */ -#if defined(CONFIG_SWAP_IO_SPACE) - -# define ioswabb(a, x) (x) -# define __mem_ioswabb(a, x) (x) -# define ioswabw(a, x) le16_to_cpu(x) -# define __mem_ioswabw(a, x) (x) -# define ioswabl(a, x) le32_to_cpu(x) -# define __mem_ioswabl(a, x) (x) -# define ioswabq(a, x) le64_to_cpu(x) -# define __mem_ioswabq(a, x) (x) - -#else - -# define ioswabb(a, x) (x) -# define __mem_ioswabb(a, x) (x) -# define ioswabw(a, x) (x) -# define __mem_ioswabw(a, x) cpu_to_le16(x) -# define ioswabl(a, x) (x) -# define __mem_ioswabl(a, x) cpu_to_le32(x) -# define ioswabq(a, x) (x) -# define __mem_ioswabq(a, x) cpu_to_le32(x) - -#endif - -#endif /* __ASM_MACH_GENERIC_MANGLE_PORT_H */ |