diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-08-25 09:59:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-25 09:59:19 +0200 |
| commit | 8d58b66ed2b000f27658c88a4ed70e8042e86a58 (patch) | |
| tree | 5bae2c74f932b5d863f72cb698a6f71260340b26 /arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | |
| parent | 13fe86f465b72fc9328d4f5ebc33223c011852ae (diff) | |
| parent | c13dcf9f2d6f5f06ef1bf79ec456df614c5e058b (diff) | |
Merge tag 'v4.2-rc8' into x86/mm, before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/include/asm/mach-loongson64/kernel-entry-init.h')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h new file mode 100644 index 000000000000..3f2f84f6c401 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h @@ -0,0 +1,52 @@ +/* + * 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, $16, 3 + or t0, (0x1 << 7) + mtc0 t0, $16, 3 + /* Set ELPA on LOONGSON3 pagegrain */ + li t0, (0x1 << 29) + mtc0 t0, $5, 1 + _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, $16, 3 + or t0, (0x1 << 7) + mtc0 t0, $16, 3 + /* Set ELPA on LOONGSON3 pagegrain */ + li t0, (0x1 << 29) + mtc0 t0, $5, 1 + _ehb + .set pop +#endif + .endm + +#endif /* __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H */ |