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387798b37c
This lets us build a multiplatform kernel for experimental purposes. However, it will not be useful for any real work, because it relies on a number of useful things to be disabled for now: * SMP support must be turned off because of conflicting symbols. Marc Zyngier has proposed a solution by adding a new SOC operations structure to hold indirect function pointers for these, but that work is currently stalled * We turn on SPARSE_IRQ unconditionally, which is not supported on most platforms. Each of them is currently in a different state, but most are being worked on. * A common clock framework is in place since v3.4 but not yet being used. Work on this is on its way. * DEBUG_LL for early debugging is currently disabled. * THUMB2_KERNEL does not work with allyesconfig because the kernel gets too big [Rob Herring]: Rebased to not be dependent on the mass mach header rename. As a result, omap2plus, imx, mxs and ux500 are not converted. Highbank, picoxcell, mvebu, and socfpga are converted. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Andrew Lunn <andrew@lunn.ch> Acked-by: Jamie Iles <jamie@jamieiles.com> Cc: Dinh Nguyen <dinguyen@altera.com>
31 lines
688 B
C
31 lines
688 B
C
/*
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* arch/arm/include/asm/timex.h
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*
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* Copyright (C) 1997,1998 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Architecture Specific TIME specifications
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*/
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#ifndef _ASMARM_TIMEX_H
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#define _ASMARM_TIMEX_H
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#include <asm/arch_timer.h>
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#ifdef CONFIG_ARCH_MULTIPLATFORM
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#define CLOCK_TICK_RATE 1000000
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#else
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#include <mach/timex.h>
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#endif
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typedef unsigned long cycles_t;
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#ifdef ARCH_HAS_READ_CURRENT_TIMER
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#define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
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#else
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#define get_cycles() (0)
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#endif
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#endif
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