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| /*
| * 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 */
|
|
