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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/powerpc/kernel/cpu_setup_pa6t.S
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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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 * 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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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

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 *

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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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