Release 4.14 arch/mips/include/asm/mach-cavium-octeon/mangle-port.h

/*
 * 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

#include <asm/byteorder.h>

#ifdef __BIG_ENDIAN



static inline bool __should_swizzle_bits(volatile void *a)
{
	extern const bool octeon_should_swizzle_table[];
	u64 did = ((u64)(uintptr_t)a >> 40) & 0xff;

	return octeon_should_swizzle_table[did];
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Steven J. Hill
36
87.80%
1
50.00%
Aaro Koskinen
5
12.20%
1
50.00%
Total
41
100.00%
2
100.00%


# define __swizzle_addr_b(port)	(port)

# define __swizzle_addr_w(port)	(port)

# define __swizzle_addr_l(port)	(port)

# define __swizzle_addr_q(port)	(port)

#else /* __LITTLE_ENDIAN */


#define __should_swizzle_bits(a)	false



static inline bool __should_swizzle_addr(u64 p)
{
	/* boot bus? */
	return ((p >> 40) & 0xff) == 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
David Daney
23
95.83%
1
50.00%
Aaro Koskinen
1
4.17%
1
50.00%
Total
24
100.00%
2
100.00%


# define __swizzle_addr_b(port)	\
	(__should_swizzle_addr(port) ? (port) ^ 7 : (port))

# define __swizzle_addr_w(port)	\
	(__should_swizzle_addr(port) ? (port) ^ 6 : (port))

# define __swizzle_addr_l(port)	\
	(__should_swizzle_addr(port) ? (port) ^ 4 : (port))

# define __swizzle_addr_q(port)	(port)

#endif /* __BIG_ENDIAN */



# define ioswabb(a, x)		(x)

# define __mem_ioswabb(a, x)	(x)

# define ioswabw(a, x)		(__should_swizzle_bits(a) ? le16_to_cpu(x) : x)

# define __mem_ioswabw(a, x)	(x)

# define ioswabl(a, x)		(__should_swizzle_bits(a) ? le32_to_cpu(x) : x)

# define __mem_ioswabl(a, x)	(x)

# define ioswabq(a, x)		(__should_swizzle_bits(a) ? le64_to_cpu(x) : x)

# define __mem_ioswabq(a, x)	(x)

#endif /* __ASM_MACH_GENERIC_MANGLE_PORT_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
David Daney
173
76.89%
1
33.33%
Steven J. Hill
46
20.44%
1
33.33%
Aaro Koskinen
6
2.67%
1
33.33%
Total
225
100.00%
3
100.00%
Directory: arch/mips/include/asm/mach-cavium-octeon

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.