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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/powerpc/kernel/cpu_setup_pa6t.S
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * Copyright (C) 2006-2007 PA Semi, Inc

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 *

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 * Maintained by: Olof Johansson <[email protected]>

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 */

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#include <asm/processor.h>

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#include <asm/page.h>

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#include <asm/cputable.h>

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#include <asm/ppc_asm.h>

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#include <asm/asm-offsets.h>

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#include <asm/cache.h>

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/* Right now, restore and setup are the same thing */

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_GLOBAL(__restore_cpu_pa6t)

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_GLOBAL(__setup_cpu_pa6t)

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	/* Do nothing if not running in HV mode */

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	mfmsr	r0

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	rldicl.	r0,r0,4,63

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	beqlr

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	mfspr	r0,SPRN_HID5

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	ori	r0,r0,0x38

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	mtspr	SPRN_HID5,r0

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	mfspr	r0,SPRN_LPCR

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	ori	r0,r0,0x7000

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	mtspr	SPRN_LPCR,r0

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	blr

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