/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2005 Embedded Alley Solutions, Inc * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2009 Jiajie Chen (chenjiajie@cse.buaa.edu.cn) * Copyright (C) 2012 Huacai Chen (chenhc@lemote.com) */ #ifndef __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H #define __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H /* * Override macros used in arch/mips/kernel/head.S. */ .macro kernel_entry_setup #ifdef CONFIG_CPU_LOONGSON3 .set push .set mips64 /* Set LPA on LOONGSON3 config3 */ mfc0 t0, CP0_CONFIG3 or t0, (0x1 << 7) mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) mtc0 t0, CP0_PAGEGRAIN #ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ mfc0 t0, CP0_CONFIG6 or t0, 0x100 mtc0 t0, CP0_CONFIG6 #endif _ehb .set pop #endif .endm /* * Do SMP slave processor setup. */ .macro smp_slave_setup #ifdef CONFIG_CPU_LOONGSON3 .set push .set mips64 /* Set LPA on LOONGSON3 config3 */ mfc0 t0, CP0_CONFIG3 or t0, (0x1 << 7) mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) mtc0 t0, CP0_PAGEGRAIN #ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ mfc0 t0, CP0_CONFIG6 or t0, 0x100 mtc0 t0, CP0_CONFIG6 #endif _ehb .set pop #endif .endm #endif /* __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H */