/*
|
* 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
|
.endm
|
|
.macro smp_slave_setup
|
.endm
|
|
#endif /* __ASM_MACH_ATH79_KERNEL_ENTRY_H */
|
