linux/linux-5.4.31/arch/powerpc/kernel/cpu_setup_pa6t.S

32 lines
609 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2006-2007 PA Semi, Inc
*
* Maintained by: Olof Johansson <olof@lixom.net>
*/
#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,r0,0x38
mtspr SPRN_HID5,r0
mfspr r0,SPRN_LPCR
ori r0,r0,0x7000
mtspr SPRN_LPCR,r0
blr