/*
 *  Atheros AR71XX/AR724X/AR913X specific kernel entry setup
 *
 *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
 *
 *  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.
 *
 */
#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
	/* == AVM/JTR 20181119 Enable ULB and SL Bits in Config7 on Wasp platforms == */
#if defined(CONFIG_ATH79_MACH_AVM_WASP) && 0
	mfc0	t0, $16, 7
	ori	t0, t0, 0x0011
	mtc0	t0, $16, 7
	nop
#endif
	/* == AVM/JTR 20181212 Disable Return Branch Prediction, Prefetching and enable SUI on Wasp platforms == */
#if defined(CONFIG_ATH79_MACH_AVM_WASP) && 1
	mfc0	t0, $16, 7
	li	t1, ~(3 << 11) /* Clear prefetch */
	and	t0, t0, t1
	ori	t0, t0, (1<<2) /* Disable Return Branch Prediction */
	li      t1,(1<<21)     /* Enable Strict Uncached Instruction */
	or      t0,t0,t1
	mtc0	t0, $16, 7
	nop
#endif
	.endm

	.macro	smp_slave_setup
	.endm

#endif /* __ASM_MACH_ATH79_KERNEL_ENTRY_H */