sparc64: Move generic PCR support code to seperate file.

[pandora-kernel.git] / arch / sparc / oprofile / init.c

diff --git a/arch/sparc/oprofile/init.c b/arch/sparc/oprofile/init.c
index d6e170c..c8877a5 100644 (file)
--- a/arch/sparc/oprofile/init.c
+++ b/arch/sparc/oprofile/init.c
@@ -17,47 +17,10 @@
 #include <asm/spitfire.h>
 #include <asm/cpudata.h>
 #include <asm/irq.h>
+#include <asm/pcr.h>
 
 static int nmi_enabled;
 
-struct pcr_ops {
-       u64 (*read)(void);
-       void (*write)(u64);
-};
-static const struct pcr_ops *pcr_ops;
-
-static u64 direct_pcr_read(void)
-{
-       u64 val;
-
-       read_pcr(val);
-       return val;
-}
-
-static void direct_pcr_write(u64 val)
-{
-       write_pcr(val);
-}
-
-static const struct pcr_ops direct_pcr_ops = {
-       .read   = direct_pcr_read,
-       .write  = direct_pcr_write,
-};
-
-static void n2_pcr_write(u64 val)
-{
-       unsigned long ret;
-
-       ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
-       if (val != HV_EOK)
-               write_pcr(val);
-}
-
-static const struct pcr_ops n2_pcr_ops = {
-       .read   = direct_pcr_read,
-       .write  = n2_pcr_write,
-};
-
 /* In order to commonize as much of the implementation as
  * possible, we use PICH as our counter.  Mostly this is
  * to accomodate Niagara-1 which can only count insn cycles
@@ -70,30 +33,13 @@ static u64 picl_value(void)
        return ((u64)((0 - delta) & 0xffffffff)) << 32;
 }
 
-#define PCR_PIC_PRIV           0x00000001 /* PIC access is privileged */
-#define PCR_STRACE             0x00000002 /* Trace supervisor events  */
-#define PCR_UTRACE             0x00000004 /* Trace user events        */
-#define PCR_N2_HTRACE          0x00000008 /* Trace hypervisor events  */
-#define PCR_N2_TOE_OV0         0x00000010 /* Trap if PIC 0 overflows  */
-#define PCR_N2_TOE_OV1         0x00000020 /* Trap if PIC 1 overflows  */
-#define PCR_N2_MASK0           0x00003fc0
-#define PCR_N2_MASK0_SHIFT     6
-#define PCR_N2_SL0             0x0003c000
-#define PCR_N2_SL0_SHIFT       14
-#define PCR_N2_OV0             0x00040000
-#define PCR_N2_MASK1           0x07f80000
-#define PCR_N2_MASK1_SHIFT     19
-#define PCR_N2_SL1             0x78000000
-#define PCR_N2_SL1_SHIFT       27
-#define PCR_N2_OV1             0x80000000
-
 #define PCR_SUN4U_ENABLE       (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE)
 #define PCR_N2_ENABLE          (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE | \
                                 PCR_N2_TOE_OV1 | \
                                 (2 << PCR_N2_SL1_SHIFT) | \
                                 (0xff << PCR_N2_MASK1_SHIFT))
 
-static u64 pcr_enable = PCR_SUN4U_ENABLE;
+static u64 pcr_enable;
 
 static void nmi_handler(struct pt_regs *regs)
 {
@@ -153,62 +99,16 @@ static void nmi_stop(void)
        synchronize_sched();
 }
 
-static unsigned long perf_hsvc_group;
-static unsigned long perf_hsvc_major;
-static unsigned long perf_hsvc_minor;
-
-static int __init register_perf_hsvc(void)
-{
-       if (tlb_type == hypervisor) {
-               switch (sun4v_chip_type) {
-               case SUN4V_CHIP_NIAGARA1:
-                       perf_hsvc_group = HV_GRP_NIAG_PERF;
-                       break;
-
-               case SUN4V_CHIP_NIAGARA2:
-                       perf_hsvc_group = HV_GRP_N2_CPU;
-                       break;
-
-               default:
-                       return -ENODEV;
-               }
-
-
-               perf_hsvc_major = 1;
-               perf_hsvc_minor = 0;
-               if (sun4v_hvapi_register(perf_hsvc_group,
-                                        perf_hsvc_major,
-                                        &perf_hsvc_minor)) {
-                       printk("perfmon: Could not register N2 hvapi.\n");
-                       return -ENODEV;
-               }
-       }
-       return 0;
-}
-
-static void unregister_perf_hsvc(void)
-{
-       if (tlb_type != hypervisor)
-               return;
-       sun4v_hvapi_unregister(perf_hsvc_group);
-}
-
 static int oprofile_nmi_init(struct oprofile_operations *ops)
 {
-       int err = register_perf_hsvc();
-
-       if (err)
-               return err;
-
        switch (tlb_type) {
        case hypervisor:
-               pcr_ops = &n2_pcr_ops;
                pcr_enable = PCR_N2_ENABLE;
                break;
 
        case cheetah:
        case cheetah_plus:
-               pcr_ops = &direct_pcr_ops;
+               pcr_enable = PCR_SUN4U_ENABLE;
                break;
 
        default:
@@ -241,10 +141,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        return ret;
 }
 
-
 void oprofile_arch_exit(void)
 {
-#ifdef CONFIG_SPARC64
-       unregister_perf_hsvc();
-#endif
 }