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-rw-r--r--arch/mips/include/asm/cpu-features.h8
-rw-r--r--arch/mips/include/asm/cpu.h3
-rw-r--r--arch/mips/kernel/cpu-probe.c2
3 files changed, 11 insertions, 2 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index da92d513a395..bff73c52b273 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -145,8 +145,14 @@
# endif
#endif
+#ifndef cpu_has_lpa
+#define cpu_has_lpa (cpu_data[0].options & MIPS_CPU_LPA)
+#endif
+#ifndef cpu_has_mvh
+#define cpu_has_mvh (cpu_data[0].options & MIPS_CPU_MVH)
+#endif
#ifndef cpu_has_xpa
-#define cpu_has_xpa (cpu_data[0].options & MIPS_CPU_XPA)
+#define cpu_has_xpa (cpu_has_lpa && cpu_has_mvh)
#endif
#ifndef cpu_has_vtag_icache
#define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index d9150a210df6..f6cecc52a8c6 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -394,7 +394,7 @@ enum cpu_type_enum {
#define MIPS_CPU_MAAR MBIT_ULL(30) /* MAAR(I) registers are present */
#define MIPS_CPU_FRE MBIT_ULL(31) /* FRE & UFE bits implemented */
#define MIPS_CPU_RW_LLB MBIT_ULL(32) /* LLADDR/LLB writes are allowed */
-#define MIPS_CPU_XPA MBIT_ULL(33) /* CPU supports Extended Physical Addressing */
+#define MIPS_CPU_LPA MBIT_ULL(33) /* CPU supports Large Physical Addressing */
#define MIPS_CPU_CDMM MBIT_ULL(34) /* CPU has Common Device Memory Map */
#define MIPS_CPU_BP_GHIST MBIT_ULL(35) /* R12K+ Branch Prediction Global History */
#define MIPS_CPU_SP MBIT_ULL(36) /* Small (1KB) page support */
@@ -403,6 +403,7 @@ enum cpu_type_enum {
#define MIPS_CPU_NAN_2008 MBIT_ULL(39) /* 2008 NaN implemented */
#define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
#define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */
+#define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
/*
* CPU ASE encodings
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 5ca4fefb1344..8eda42a9ca59 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -702,6 +702,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
c->options |= MIPS_CPU_VINT;
if (config3 & MIPS_CONF3_VEIC)
c->options |= MIPS_CPU_VEIC;
+ if (config3 & MIPS_CONF3_LPA)
+ c->options |= MIPS_CPU_LPA;
if (config3 & MIPS_CONF3_MT)
c->ases |= MIPS_ASE_MIPSMT;
if (config3 & MIPS_CONF3_ULRI)