diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 8 | ||||
| -rw-r--r-- | arch/mips/include/asm/cpu.h | 3 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 2 |
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) |