/* * 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 */