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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Atheros AR71XX/AR724X/AR913X specific kernel entry setup
- *
- * Copyright (C) 2009 Gabor Juhos <[email protected]>
- */
- #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 */
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