[mirror_ubuntu-eoan-kernel.git] / arch / arm / mach-ns9xxx / include / mach / hardware.h

/*
 * arch/arm/mach-ns9xxx/include/mach/hardware.h
 *
 * Copyright (C) 2006 by Digi International Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H

/*
 * NetSilicon NS9xxx internal mapping:
 *
 * physical                <--> virtual
 * 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
 * 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
 */
#define io_p2v(x)	(0xf0000000 \
			 + (((x) & 0xf0000000) >> 4) \
			 + ((x) & 0x00ffffff))

#define io_v2p(x)	((((x) & 0x0f000000) << 4) \
			 + ((x) & 0x00ffffff))

#define __REGSHIFT(mask)	((mask) & (-(mask)))

#define __REGBIT(bit)		((u32)1 << (bit))
#define __REGBITS(hbit, lbit)	((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
#define __REGVAL(mask, value)	(((value) * __REGSHIFT(mask)) & (mask))

#ifndef __ASSEMBLY__

#  define __REG(x)	((void __iomem __force *)io_p2v((x)))
#  define __REG2(x, y)	((void __iomem __force *)(io_p2v((x)) + 4 * (y)))

#  define __REGSET(var, field, value)					\
	((var) = (((var) & ~((field) & ~(value))) | (value)))

#  define REGSET(var, reg, field, value)				\
	__REGSET(var, reg ## _ ## field, reg ## _ ## field ## _ ## value)

#  define REGSET_IDX(var, reg, field, idx, value)			\
	__REGSET(var, reg ## _ ## field((idx)), reg ## _ ## field ## _ ## value((idx)))

#  define REGSETIM(var, reg, field, value)				\
	__REGSET(var, reg ## _ ## field, __REGVAL(reg ## _ ## field, (value)))

#  define REGSETIM_IDX(var, reg, field, idx, value)			\
	__REGSET(var, reg ## _ ## field((idx)), __REGVAL(reg ## _ ## field((idx)), (value)))

#  define __REGGET(var, field)						\
	(((var) & (field)))

#  define REGGET(var, reg, field)					\
	 __REGGET(var, reg ## _ ## field)

#  define REGGET_IDX(var, reg, field, idx)				\
	 __REGGET(var, reg ## _ ## field((idx)))

#  define REGGETIM(var, reg, field)					\
	 __REGGET(var, reg ## _ ## field) / __REGSHIFT(reg ## _ ## field)

#  define REGGETIM_IDX(var, reg, field, idx)				\
	 __REGGET(var, reg ## _ ## field((idx))) /			\
	 __REGSHIFT(reg ## _ ## field((idx)))

#else

#  define __REG(x)	io_p2v(x)
#  define __REG2(x, y)	io_p2v((x) + 4 * (y))

#endif

#endif /* ifndef __ASM_ARCH_HARDWARE_H */
Commit	Line	Data
9918cda5	1	/*
a09e64fb	2	* arch/arm/mach-ns9xxx/include/mach/hardware.h
9918cda5 UKK	3	*
	4	* Copyright (C) 2006 by Digi International Inc.
	5	* All rights reserved.
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License version 2 as published by
	9	* the Free Software Foundation.
	10	*/
	11	#ifndef __ASM_ARCH_HARDWARE_H
	12	#define __ASM_ARCH_HARDWARE_H
	13
9918cda5 UKK	14	/*
	15	* NetSilicon NS9xxx internal mapping:
	16	*
	17	* physical <--> virtual
	18	* 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
	19	* 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
	20	*/
	21	#define io_p2v(x) (0xf0000000 \
	22	+ (((x) & 0xf0000000) >> 4) \
	23	+ ((x) & 0x00ffffff))
	24
	25	#define io_v2p(x) ((((x) & 0x0f000000) << 4) \
	26	+ ((x) & 0x00ffffff))
	27
f02e5795 UKK	28	#define __REGSHIFT(mask) ((mask) & (-(mask)))
f02e5795 UKK	29
9918cda5 UKK	30	#define __REGBIT(bit) ((u32)1 << (bit))
9918cda5 UKK	31	#define __REGBITS(hbit, lbit) ((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
f02e5795	32	#define __REGVAL(mask, value) (((value) * __REGSHIFT(mask)) & (mask))
9918cda5 UKK	33
	34	#ifndef __ASSEMBLY__
	35
361c7ad6 UKK	36	# define __REG(x) ((void __iomem __force *)io_p2v((x)))
361c7ad6 UKK	37	# define __REG2(x, y) ((void __iomem __force )(io_p2v((x)) + 4 (y)))
9918cda5	38
f02e5795 UKK	39	# define __REGSET(var, field, value) \
	40	((var) = (((var) & ~((field) & ~(value))) \| (value)))
	41
9918cda5	42	# define REGSET(var, reg, field, value) \
f02e5795 UKK	43	__REGSET(var, reg ## _ ## field, reg ## _ ## field ## _ ## value)
	44
	45	# define REGSET_IDX(var, reg, field, idx, value) \
	46	__REGSET(var, reg ## _ ## field((idx)), reg ## _ ## field ## _ ## value((idx)))
9918cda5 UKK	47
9918cda5 UKK	48	# define REGSETIM(var, reg, field, value) \
f02e5795 UKK	49	__REGSET(var, reg ## _ ## field, __REGVAL(reg ## _ ## field, (value)))
	50
	51	# define REGSETIM_IDX(var, reg, field, idx, value) \
	52	__REGSET(var, reg ## _ ## field((idx)), __REGVAL(reg ## _ ## field((idx)), (value)))
	53
	54	# define __REGGET(var, field) \
	55	(((var) & (field)))
9918cda5	56
fee64d1b	57	# define REGGET(var, reg, field) \
f02e5795 UKK	58	__REGGET(var, reg ## _ ## field)
	59
	60	# define REGGET_IDX(var, reg, field, idx) \
	61	__REGGET(var, reg ## _ ## field((idx)))
	62
	63	# define REGGETIM(var, reg, field) \
	64	__REGGET(var, reg ## _ ## field) / __REGSHIFT(reg ## _ ## field)
	65
	66	# define REGGETIM_IDX(var, reg, field, idx) \
a4831fbe	67	__REGGET(var, reg ## _ ## field((idx))) / \
f02e5795	68	__REGSHIFT(reg ## _ ## field((idx)))
9918cda5 UKK	69
	70	#else
	71
	72	# define __REG(x) io_p2v(x)
a4831fbe	73	# define __REG2(x, y) io_p2v((x) + 4 * (y))
9918cda5	74
9918cda5 UKK	75	#endif
	76
	77	#endif /* ifndef __ASM_ARCH_HARDWARE_H */