linux/arch/powerpc/kernel/cpu_setup_pa6t.S
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2006-2007 PA Semi, Inc
   4 *
   5 * Maintained by: Olof Johansson <olof@lixom.net>
   6 */
   7
   8#include <asm/processor.h>
   9#include <asm/page.h>
  10#include <asm/cputable.h>
  11#include <asm/ppc_asm.h>
  12#include <asm/asm-offsets.h>
  13#include <asm/cache.h>
  14
  15/* Right now, restore and setup are the same thing */
  16_GLOBAL(__restore_cpu_pa6t)
  17_GLOBAL(__setup_cpu_pa6t)
  18        /* Do nothing if not running in HV mode */
  19        mfmsr   r0
  20        rldicl. r0,r0,4,63
  21        beqlr
  22
  23        mfspr   r0,SPRN_HID5
  24        ori     r0,r0,0x38
  25        mtspr   SPRN_HID5,r0
  26
  27        mfspr   r0,SPRN_LPCR
  28        ori     r0,r0,0x7000
  29        mtspr   SPRN_LPCR,r0
  30
  31        blr
  32