WSL2-Linux-Kernel/arch/powerpc/kernel/cpu_setup_pa6t.S

45 строки
1.2 KiB
ArmAsm

/*
* Copyright (C) 2006-2007 PA Semi, Inc
*
* Maintained by: Olof Johansson <olof@lixom.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/cputable.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
/* Right now, restore and setup are the same thing */
_GLOBAL(__restore_cpu_pa6t)
_GLOBAL(__setup_cpu_pa6t)
/* Do nothing if not running in HV mode */
mfmsr r0
rldicl. r0,r0,4,63
beqlr
mfspr r0,SPRN_HID5
ori r0,r0,0x30
mtspr SPRN_HID5,r0
mfspr r0,SPRN_LPCR
ori r0,r0,0x7000
mtspr SPRN_LPCR,r0
blr