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-rw-r--r--arch/mips/include/asm/mipsregs.h37
-rw-r--r--arch/mips/kernel/cpu-probe.c12
-rw-r--r--arch/mips/mm/c-r4k.c4
3 files changed, 32 insertions, 21 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index fe6293f5b939..796dbb86575b 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -686,27 +686,38 @@
#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
#define MIPS_CONF5_K (_ULCAST_(1) << 30)
+/* Config6 feature bits for proAptiv/P5600 */
+
/* Jump register cache prediction disable */
-#define MIPS_CONF6_JRCD (_ULCAST_(1) << 0)
+#define MIPS_CONF6_MTI_JRCD (_ULCAST_(1) << 0)
/* MIPSr6 extensions enable */
-#define MIPS_CONF6_R6 (_ULCAST_(1) << 2)
+#define MIPS_CONF6_MTI_R6 (_ULCAST_(1) << 2)
/* IFU Performance Control */
-#define MIPS_CONF6_IFUPERFCTL (_ULCAST_(3) << 10)
-#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
+#define MIPS_CONF6_MTI_IFUPERFCTL (_ULCAST_(3) << 10)
+#define MIPS_CONF6_MTI_SYND (_ULCAST_(1) << 13)
/* Sleep state performance counter disable */
-#define MIPS_CONF6_SPCD (_ULCAST_(1) << 14)
+#define MIPS_CONF6_MTI_SPCD (_ULCAST_(1) << 14)
/* proAptiv FTLB on/off bit */
-#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
+#define MIPS_CONF6_MTI_FTLBEN (_ULCAST_(1) << 15)
/* Disable load/store bonding */
-#define MIPS_CONF6_DLSB (_ULCAST_(1) << 21)
-/* Loongson-3 FTLB on/off bit */
-#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
+#define MIPS_CONF6_MTI_DLSB (_ULCAST_(1) << 21)
/* FTLB probability bits */
-#define MIPS_CONF6_FTLBP_SHIFT (16)
-/* Loongson-3 feature bits */
-#define MIPS_CONF6_LOONGSON_SCRAND (_ULCAST_(1) << 17)
+#define MIPS_CONF6_MTI_FTLBP_SHIFT (16)
+
+/* Config6 feature bits for Loongson-3 */
+
+/* Loongson-3 internal timer bit */
+#define MIPS_CONF6_LOONGSON_INTIMER (_ULCAST_(1) << 6)
+/* Loongson-3 external timer bit */
+#define MIPS_CONF6_LOONGSON_EXTIMER (_ULCAST_(1) << 7)
+/* Loongson-3 SFB on/off bit, STFill in manual */
+#define MIPS_CONF6_LOONGSON_SFBEN (_ULCAST_(1) << 8)
+/* Loongson-3's LL on exclusive cacheline */
#define MIPS_CONF6_LOONGSON_LLEXC (_ULCAST_(1) << 16)
-#define MIPS_CONF6_LOONGSON_STFILL (_ULCAST_(1) << 8)
+/* Loongson-3's SC has a random delay */
+#define MIPS_CONF6_LOONGSON_SCRAND (_ULCAST_(1) << 17)
+/* Loongson-3 FTLB on/off bit, VTLBOnly in manual */
+#define MIPS_CONF6_LOONGSON_FTLBDIS (_ULCAST_(1) << 22)
#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b8ec35737606..f7c4b1d86274 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -633,14 +633,14 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
config = read_c0_config6();
if (flags & FTLB_EN)
- config |= MIPS_CONF6_FTLBEN;
+ config |= MIPS_CONF6_MTI_FTLBEN;
else
- config &= ~MIPS_CONF6_FTLBEN;
+ config &= ~MIPS_CONF6_MTI_FTLBEN;
if (flags & FTLB_SET_PROB) {
- config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
+ config &= ~(3 << MIPS_CONF6_MTI_FTLBP_SHIFT);
config |= calculate_ftlb_probability(c)
- << MIPS_CONF6_FTLBP_SHIFT;
+ << MIPS_CONF6_MTI_FTLBP_SHIFT;
}
write_c0_config6(config);
@@ -660,10 +660,10 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
config = read_c0_config6();
if (flags & FTLB_EN)
/* Enable FTLB */
- write_c0_config6(config & ~MIPS_CONF6_FTLBDIS);
+ write_c0_config6(config & ~MIPS_CONF6_LOONGSON_FTLBDIS);
else
/* Disable FTLB */
- write_c0_config6(config | MIPS_CONF6_FTLBDIS);
+ write_c0_config6(config | MIPS_CONF6_LOONGSON_FTLBDIS);
break;
default:
return 1;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index a9f55bf90967..6fb83ac7c475 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1073,12 +1073,12 @@ static inline int alias_74k_erratum(struct cpuinfo_mips *c)
if (rev <= PRID_REV_ENCODE_332(2, 4, 0))
present = 1;
if (rev == PRID_REV_ENCODE_332(2, 4, 0))
- write_c0_config6(read_c0_config6() | MIPS_CONF6_SYND);
+ write_c0_config6(read_c0_config6() | MIPS_CONF6_MTI_SYND);
break;
case PRID_IMP_1074K:
if (rev <= PRID_REV_ENCODE_332(1, 1, 0)) {
present = 1;
- write_c0_config6(read_c0_config6() | MIPS_CONF6_SYND);
+ write_c0_config6(read_c0_config6() | MIPS_CONF6_MTI_SYND);
}
break;
default: