linux_dsm_epyc7002/arch/mips/include/asm/mach-ath79/kernel-entry-init.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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 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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

29 lines
738 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Atheros AR71XX/AR724X/AR913X specific kernel entry setup
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*/
#ifndef __ASM_MACH_ATH79_KERNEL_ENTRY_H
#define __ASM_MACH_ATH79_KERNEL_ENTRY_H
/*
* Some bootloaders set the 'Kseg0 coherency algorithm' to
* 'Cacheable, noncoherent, write-through, no write allocate'
* and this cause performance issues. Let's go and change it to
* 'Cacheable, noncoherent, write-back, write allocate'
*/
.macro kernel_entry_setup
mfc0 t0, CP0_CONFIG
li t1, ~CONF_CM_CMASK
and t0, t1
ori t0, CONF_CM_CACHABLE_NONCOHERENT
mtc0 t0, CP0_CONFIG
nop
.endm
.macro smp_slave_setup
.endm
#endif /* __ASM_MACH_ATH79_KERNEL_ENTRY_H */