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https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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f02e579558
The semantic of the REGSET macros didn't change, but hopefully it's more obvious as it's now. REGGET is changed to return the unshifted value, analogous to REGSET. REGGETIM behaves as REGGET before. All callers changed. ..._IDX is used to work with registers that need a parameter like BBU_GCONFb1. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* include/asm-arm/arch-ns9xxx/hardware.h
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*
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* Copyright (C) 2006 by Digi International Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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#include <asm/memory.h>
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/*
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* NetSilicon NS9xxx internal mapping:
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*
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* physical <--> virtual
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* 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
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* 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
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*/
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#define io_p2v(x) (0xf0000000 \
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+ (((x) & 0xf0000000) >> 4) \
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+ ((x) & 0x00ffffff))
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#define io_v2p(x) ((((x) & 0x0f000000) << 4) \
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+ ((x) & 0x00ffffff))
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#define __REGSHIFT(mask) ((mask) & (-(mask)))
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#define __REGBIT(bit) ((u32)1 << (bit))
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#define __REGBITS(hbit, lbit) ((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
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#define __REGVAL(mask, value) (((value) * __REGSHIFT(mask)) & (mask))
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#ifndef __ASSEMBLY__
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# define __REG(x) (*((volatile u32 *)io_p2v((x))))
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# define __REG2(x, y) (*((volatile u32 *)io_p2v((x)) + (y)))
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# define __REGB(x) (*((volatile u8 *)io_p2v((x))))
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# define __REGB2(x) (*((volatile u8 *)io_p2v((x)) + (y)))
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# define __REGSET(var, field, value) \
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((var) = (((var) & ~((field) & ~(value))) | (value)))
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# define REGSET(var, reg, field, value) \
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__REGSET(var, reg ## _ ## field, reg ## _ ## field ## _ ## value)
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# define REGSET_IDX(var, reg, field, idx, value) \
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__REGSET(var, reg ## _ ## field((idx)), reg ## _ ## field ## _ ## value((idx)))
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# define REGSETIM(var, reg, field, value) \
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__REGSET(var, reg ## _ ## field, __REGVAL(reg ## _ ## field, (value)))
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# define REGSETIM_IDX(var, reg, field, idx, value) \
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__REGSET(var, reg ## _ ## field((idx)), __REGVAL(reg ## _ ## field((idx)), (value)))
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# define __REGGET(var, field) \
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(((var) & (field)))
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# define REGGET(var, reg, field) \
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__REGGET(var, reg ## _ ## field)
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# define REGGET_IDX(var, reg, field, idx) \
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__REGGET(var, reg ## _ ## field((idx)))
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# define REGGETIM(var, reg, field) \
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__REGGET(var, reg ## _ ## field) / __REGSHIFT(reg ## _ ## field)
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# define REGGETIM_IDX(var, reg, field, idx) \
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__REGGET(var, reg ## _ ## field((idx))) / \
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__REGSHIFT(reg ## _ ## field((idx)))
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#else
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# define __REG(x) io_p2v(x)
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# define __REG2(x, y) io_p2v((x) + (y))
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# define __REGB(x) __REG((x))
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# define __REGB2(x, y) __REG2((x), (y))
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#endif
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#endif /* ifndef __ASM_ARCH_HARDWARE_H */
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