diff options
| -rw-r--r-- | arch/mips/include/asm/cpu.h | 3 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h | 18 | ||||
| -rw-r--r-- | arch/mips/include/asm/module.h | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 19 | ||||
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 3 |
5 files changed, 37 insertions, 8 deletions
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 2f7f418..6e94c7e 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -170,6 +170,7 @@ #define PRID_IMP_NETLOGIC_XLS408B 0x4e00 #define PRID_IMP_NETLOGIC_XLS404B 0x4f00 +#define PRID_IMP_NETLOGIC_XLP832 0x1000 /* * Definitions for 7:0 on legacy processors */ @@ -263,7 +264,7 @@ enum cpu_type_enum { */ CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, CPU_CAVIUM_OCTEON2, - CPU_XLR, + CPU_XLR, CPU_XLP, CPU_LAST }; diff --git a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h index 3780743..d193fb6 100644 --- a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h @@ -24,23 +24,33 @@ #define cpu_has_llsc 1 #define cpu_has_vtag_icache 0 -#define cpu_has_dc_aliases 0 #define cpu_has_ic_fills_f_dc 1 #define cpu_has_dsp 0 #define cpu_has_mipsmt 0 -#define cpu_has_userlocal 0 #define cpu_icache_snoops_remote_store 1 #define cpu_has_64bits 1 #define cpu_has_mips32r1 1 -#define cpu_has_mips32r2 0 #define cpu_has_mips64r1 1 -#define cpu_has_mips64r2 0 #define cpu_has_inclusive_pcaches 0 #define cpu_dcache_line_size() 32 #define cpu_icache_line_size() 32 +#if defined(CONFIG_CPU_XLR) +#define cpu_has_userlocal 0 +#define cpu_has_dc_aliases 0 +#define cpu_has_mips32r2 0 +#define cpu_has_mips64r2 0 +#elif defined(CONFIG_CPU_XLP) +#define cpu_has_userlocal 1 +#define cpu_has_mips32r2 1 +#define cpu_has_mips64r2 1 +#define cpu_has_dc_aliases 1 +#else +#error "Unknown Netlogic CPU" +#endif + #endif /* __ASM_MACH_NETLOGIC_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h index bc01a02..2278e34 100644 --- a/arch/mips/include/asm/module.h +++ b/arch/mips/include/asm/module.h @@ -120,6 +120,8 @@ search_module_dbetables(unsigned long addr) #define MODULE_PROC_FAMILY "OCTEON " #elif defined CONFIG_CPU_XLR #define MODULE_PROC_FAMILY "XLR " +#elif defined CONFIG_CPU_XLP +#define MODULE_PROC_FAMILY "XLP " #else #error MODULE_PROC_FAMILY undefined for your processor configuration #endif diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index aa20382..92fae7f 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -192,6 +192,7 @@ void __init check_wait(void) case CPU_CAVIUM_OCTEON2: case CPU_JZRISC: case CPU_XLR: + case CPU_XLP: cpu_wait = r4k_wait; break; @@ -1024,6 +1025,11 @@ static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu) MIPS_CPU_LLSC); switch (c->processor_id & 0xff00) { + case PRID_IMP_NETLOGIC_XLP832: + c->cputype = CPU_XLP; + __cpu_name[cpu] = "Netlogic XLP"; + break; + case PRID_IMP_NETLOGIC_XLR732: case PRID_IMP_NETLOGIC_XLR716: case PRID_IMP_NETLOGIC_XLR532: @@ -1054,14 +1060,21 @@ static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu) break; default: - printk(KERN_INFO "Unknown Netlogic chip id [%02x]!\n", + pr_info("Unknown Netlogic chip id [%02x]!\n", c->processor_id); c->cputype = CPU_XLR; break; } - c->isa_level = MIPS_CPU_ISA_M64R1; - c->tlbsize = ((read_c0_config1() >> 25) & 0x3f) + 1; + if (c->cputype == CPU_XLP) { + c->isa_level = MIPS_CPU_ISA_M64R2; + c->options |= (MIPS_CPU_FPU | MIPS_CPU_ULRI | MIPS_CPU_MCHECK); + /* This will be updated again after all threads are woken up */ + c->tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1; + } else { + c->isa_level = MIPS_CPU_ISA_M64R1; + c->tlbsize = ((read_c0_config1() >> 25) & 0x3f) + 1; + } } #ifdef CONFIG_64BIT diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index a79fe9a..4f9eb0b 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1235,6 +1235,9 @@ static void __cpuinit setup_scache(void) loongson2_sc_init(); return; #endif + case CPU_XLP: + /* don't need to worry about L2, fully coherent */ + return; default: if (c->isa_level == MIPS_CPU_ISA_M32R1 || |
