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@@ -0,0 +1,32 @@
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+/*
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+ * Atheros AR71xx specific kernel entry setup
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+ *
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+ * Copyright (C) 2009 Gabor Juhos <[email protected]>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ */
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+#ifndef __ASM_MACH_AR71XX_KERNEL_ENTRY_H
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+#define __ASM_MACH_AR71XX_KERNEL_ENTRY_H
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+
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+ /*
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+ * Some bootloaders set the 'Kseg0 coherency algorithm' to
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+ * 'Cacheable, noncoherent, write-through, no write allocate'
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+ * and this cause performance issues. Let's go and change it to
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+ * 'Cacheable, noncoherent, write-back, write allocate'
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+ */
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+ .macro kernel_entry_setup
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+ mfc0 t0, CP0_CONFIG
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+ li t1, ~CONF_CM_CMASK
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+ and t0, t1
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+ ori t0, CONF_CM_CACHABLE_NONCOHERENT
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+ mtc0 t0, CP0_CONFIG
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+ nop
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+ .endm
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+
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+ .macro smp_slave_setup
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+ .endm
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+
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+#endif /* __ASM_MACH_AR71XX_KERNEL_ENTRY_H */
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Gabor Juhos