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/* 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 */
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