diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-01-22 22:38:11 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-01-22 22:38:11 +0000 |
commit | 22b99f32a13348502bc0f33b93b70565e941d99c (patch) | |
tree | f60488ea3f321808d90711807b8a352e1f476b03 /target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h | |
parent | b66dee35c331cdcfc0ac2e61699abe1e9191e8d0 (diff) |
ar71xx: move arch specific files to files-2.6.39
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29867 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h')
-rw-r--r-- | target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h b/target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h new file mode 100644 index 000000000..948d28034 --- /dev/null +++ b/target/linux/ar71xx/files-2.6.39/arch/mips/include/asm/mach-ar71xx/kernel-entry-init.h @@ -0,0 +1,32 @@ +/* + * Atheros AR71xx 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_AR71XX_KERNEL_ENTRY_H +#define __ASM_MACH_AR71XX_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_AR71XX_KERNEL_ENTRY_H */ |