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MIPS: sync I/O related header files with linux-4.4

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Mainly sync asm/io.h to get a working ioremap() implementation
as well as the full set of I/O accessors. Pull in additional
header files to make this work.

Furthermore port over the directory 'arch/mips/include/asm/mach-generic/'
with contains default definitions for I/O and memory spaces and default
implementations for mapping those spaces. All files in that directory
can be overwritten by a SoC/machine.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Daniel Schwierzeck 2016-01-12 21:48:25 +01:00
parent df50b3b414
commit 23ff8633fd
10 changed files with 989 additions and 412 deletions
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30
arch/mips/include/asm/cpu-features.h Normal file
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/*
* Copyright (C) 2003, 2004 Ralf Baechle
* Copyright (C) 2004 Maciej W. Rozycki
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_CPU_FEATURES_H
#define __ASM_CPU_FEATURES_H
#include <cpu-feature-overrides.h>
#ifdef CONFIG_32BIT
# ifndef cpu_has_64bits
# define cpu_has_64bits 0
# endif
# ifndef cpu_has_64bit_addresses
# define cpu_has_64bit_addresses 0
# endif
#endif
#ifdef CONFIG_64BIT
# ifndef cpu_has_64bits
# define cpu_has_64bits 1
# endif
# ifndef cpu_has_64bit_addresses
# define cpu_has_64bit_addresses 1
# endif
#endif
#endif /* __ASM_CPU_FEATURES_H */