This patche defines CP0_CONFIG3, CP0_CONFIG6, CP0_PAGEGRAIN and uses them in kernel-entry-init.h for Loongson64. Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx> --- .../asm/mach-loongson64/kernel-entry-init.h | 24 +++++++++++----------- arch/mips/include/asm/mipsregs.h | 2 ++ 2 files changed, 14 insertions(+), 12 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 index 8393bc54..3127391 100644 --- a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h @@ -19,18 +19,18 @@ .set push .set mips64 /* Set LPA on LOONGSON3 config3 */ - mfc0 t0, $16, 3 + mfc0 t0, CP0_CONFIG3 or t0, (0x1 << 7) - mtc0 t0, $16, 3 + mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ - mfc0 t0, $5, 1 + mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) - mtc0 t0, $5, 1 + mtc0 t0, CP0_PAGEGRAIN #ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ - mfc0 t0, $16, 6 + mfc0 t0, CP0_CONFIG6 or t0, 0x100 - mtc0 t0, $16, 6 + mtc0 t0, CP0_CONFIG6 #endif _ehb .set pop @@ -45,18 +45,18 @@ .set push .set mips64 /* Set LPA on LOONGSON3 config3 */ - mfc0 t0, $16, 3 + mfc0 t0, CP0_CONFIG3 or t0, (0x1 << 7) - mtc0 t0, $16, 3 + mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ - mfc0 t0, $5, 1 + mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) - mtc0 t0, $5, 1 + mtc0 t0, CP0_PAGEGRAIN #ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ - mfc0 t0, $16, 6 + mfc0 t0, CP0_CONFIG6 or t0, 0x100 - mtc0 t0, $16, 6 + mtc0 t0, CP0_CONFIG6 #endif _ehb .set pop diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 0b58864..69307b3 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -51,6 +51,7 @@ #define CP0_GLOBALNUMBER $3, 1 #define CP0_CONTEXT $4 #define CP0_PAGEMASK $5 +#define CP0_PAGEGRAIN $5, 1 #define CP0_SEGCTL0 $5, 2 #define CP0_SEGCTL1 $5, 3 #define CP0_SEGCTL2 $5, 4 @@ -77,6 +78,7 @@ #define CP0_CONFIG $16 #define CP0_CONFIG3 $16, 3 #define CP0_CONFIG5 $16, 5 +#define CP0_CONFIG6 $16, 6 #define CP0_LLADDR $17 #define CP0_WATCHLO $18 #define CP0_WATCHHI $19 -- 2.7.0
