[MIPS] Oprofile: kernel support for the R10000.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 31 insertions, 5 deletions

diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile
index 0a50aad5bbe4..bf3be6fcf7ff 100644
--- a/arch/mips/oprofile/Makefile
+++ b/arch/mips/oprofile/Makefile
@@ -12,5 +12,6 @@ oprofile-y				:= $(DRIVER_OBJS) common.o
 
 oprofile-$(CONFIG_CPU_MIPS32)           += op_model_mipsxx.o
 oprofile-$(CONFIG_CPU_MIPS64)           += op_model_mipsxx.o
+oprofile-$(CONFIG_CPU_R10000)           += op_model_mipsxx.o
 oprofile-$(CONFIG_CPU_SB1)              += op_model_mipsxx.o
 oprofile-$(CONFIG_CPU_RM9000)           += op_model_rm9000.o
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 65eb55400d77..4e0a90b3916b 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -83,6 +83,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
         case CPU_74K:
         case CPU_SB1:
         case CPU_SB1A:
+        case CPU_R10000:
+        case CPU_R12000:
+        case CPU_R14000:
                 lmodel = &op_model_mipsxx_ops;
                 break;
 
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 1fb240c57bac..455d76ad06d8 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -18,7 +18,7 @@
 #define M_PERFCTL_SUPERVISOR            (1UL      <<  2)
 #define M_PERFCTL_USER                  (1UL      <<  3)
 #define M_PERFCTL_INTERRUPT_ENABLE      (1UL      <<  4)
-#define M_PERFCTL_EVENT(event)          ((event)  << 5)
+#define M_PERFCTL_EVENT(event)          (((event) & 0x3f)  << 5)
 #define M_PERFCTL_VPEID(vpe)            ((vpe)    << 16)
 #define M_PERFCTL_MT_EN(filter)         ((filter) << 20)
 #define    M_TC_EN_ALL                  M_PERFCTL_MT_EN(0)
@@ -218,13 +218,23 @@ static inline int __n_counters(void)
 
 static inline int n_counters(void)
 {
-        int counters = __n_counters();
+        int counters;
+
+        switch (current_cpu_data.cputype) {
+        case CPU_R10000:
+                counters = 2;
+
+        case CPU_R12000:
+        case CPU_R14000:
+                counters = 4;
+
+        default:
+                counters = __n_counters();
+        }
 
 #ifdef CONFIG_MIPS_MT_SMP
-        if (current_cpu_data.cputype == CPU_34K)
-                return counters >> 1;
+        counters >> 1;
 #endif
-
         return counters;
 }
 
@@ -284,6 +294,18 @@ static int __init mipsxx_init(void)
                 op_model_mipsxx_ops.cpu_type = "mips/5K";
                 break;
 
+        case CPU_R10000:
+                if ((current_cpu_data.processor_id & 0xff) == 0x20)
+                        op_model_mipsxx_ops.cpu_type = "mips/r10000-v2.x";
+                else
+                        op_model_mipsxx_ops.cpu_type = "mips/r10000";
+                break;
+
+        case CPU_R12000:
+        case CPU_R14000:
+                op_model_mipsxx_ops.cpu_type = "mips/r12000";
+                break;
+
         case CPU_SB1:
         case CPU_SB1A:
                 op_model_mipsxx_ops.cpu_type = "mips/sb1";