39 lines
1,016 B
ArmAsm
39 lines
1,016 B
ArmAsm
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/*
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* arch/arm/include/asm/dcscb_setup.S
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*
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* Created by: Dave Martin, 2012-06-22
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* Copyright: (C) 2012-2013 Linaro Limited
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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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#include <linux/linkage.h>
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ENTRY(dcscb_power_up_setup)
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cmp r0, #0 @ check affinity level
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beq 2f
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/*
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* Enable cluster-level coherency, in preparation for turning on the MMU.
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* The ACTLR SMP bit does not need to be set here, because cpu_resume()
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* already restores that.
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*
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* A15/A7 may not require explicit L2 invalidation on reset, dependent
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* on hardware integration decisions.
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* For now, this code assumes that L2 is either already invalidated,
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* or invalidation is not required.
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*/
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b cci_enable_port_for_self
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2: @ Implementation-specific local CPU setup operations should go here,
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@ if any. In this case, there is nothing to do.
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bx lr
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ENDPROC(dcscb_power_up_setup)
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