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-rw-r--r--arch/powerpc/kernel/cputable.c136
1 files changed, 97 insertions, 39 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index e44d5530f0a6..25c273c761d1 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -23,6 +23,9 @@
struct cpu_spec* cur_cpu_spec = NULL;
EXPORT_SYMBOL(cur_cpu_spec);
+/* The platform string corresponding to the real PVR */
+const char *powerpc_base_platform;
+
/* NOTE:
* Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
* the responsibility of the appropriate CPU save/restore functions to
@@ -37,6 +40,7 @@ extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -52,6 +56,8 @@ extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_pa6t(void);
extern void __restore_cpu_ppc970(void);
+extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
+extern void __restore_cpu_power7(void);
#endif /* CONFIG_PPC64 */
/* This table only contains "desktop" CPUs, it need to be filled with embedded
@@ -67,7 +73,12 @@ extern void __restore_cpu_ppc970(void);
PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
#define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
- PPC_FEATURE_TRUE_LE)
+ PPC_FEATURE_TRUE_LE | \
+ PPC_FEATURE_PSERIES_PERFMON_COMPAT)
+#define COMMON_USER_POWER7 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\
+ PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
+ PPC_FEATURE_TRUE_LE | \
+ PPC_FEATURE_PSERIES_PERFMON_COMPAT)
#define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
PPC_FEATURE_TRUE_LE | \
PPC_FEATURE_HAS_ALTIVEC_COMP)
@@ -347,6 +358,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.machine_check = machine_check_generic,
+ .oprofile_cpu_type = "ppc64/compat-power5+",
.platform = "power5+",
},
{ /* Power6 */
@@ -378,8 +390,41 @@ static struct cpu_spec __initdata cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.machine_check = machine_check_generic,
+ .oprofile_cpu_type = "ppc64/compat-power6",
.platform = "power6",
},
+ { /* 2.06-compliant processor, i.e. Power7 "architected" mode */
+ .pvr_mask = 0xffffffff,
+ .pvr_value = 0x0f000003,
+ .cpu_name = "POWER7 (architected)",
+ .cpu_features = CPU_FTRS_POWER7,
+ .cpu_user_features = COMMON_USER_POWER7,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .machine_check = machine_check_generic,
+ .oprofile_cpu_type = "ppc64/compat-power7",
+ .platform = "power7",
+ },
+ { /* Power7 */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x003f0000,
+ .cpu_name = "POWER7 (raw)",
+ .cpu_features = CPU_FTRS_POWER7,
+ .cpu_user_features = COMMON_USER_POWER7,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 6,
+ .pmc_type = PPC_PMC_IBM,
+ .cpu_setup = __setup_cpu_power7,
+ .cpu_restore = __restore_cpu_power7,
+ .oprofile_cpu_type = "ppc64/power7",
+ .oprofile_type = PPC_OPROFILE_POWER4,
+ .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
+ .oprofile_mmcra_sipr = POWER6_MMCRA_SIPR,
+ .oprofile_mmcra_clear = POWER6_MMCRA_THRM |
+ POWER6_MMCRA_OTHER,
+ .platform = "power7",
+ },
{ /* Cell Broadband Engine */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00700000,
@@ -1410,6 +1455,16 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_440A,
.platform = "ppc440",
},
+ { /* 440 in Xilinx Virtex-5 FXT */
+ .pvr_mask = 0xfffffff0,
+ .pvr_value = 0x7ff21910,
+ .cpu_name = "440 in Virtex-5 FXT",
+ .cpu_features = CPU_FTRS_44X,
+ .cpu_user_features = COMMON_USER_BOOKE,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ .platform = "ppc440",
+ },
{ /* 460EX */
.pvr_mask = 0xffff0002,
.pvr_value = 0x13020002,
@@ -1427,9 +1482,10 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_value = 0x13020000,
.cpu_name = "460GT",
.cpu_features = CPU_FTRS_44X,
- .cpu_user_features = COMMON_USER_BOOKE,
+ .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
.icache_bsize = 32,
.dcache_bsize = 32,
+ .cpu_setup = __setup_cpu_460gt,
.machine_check = machine_check_440A,
.platform = "ppc440",
},
@@ -1491,7 +1547,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_mask = 0xffff0000,
.pvr_value = 0x80200000,
.cpu_name = "e500",
- /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
@@ -1508,7 +1563,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_mask = 0xffff0000,
.pvr_value = 0x80210000,
.cpu_name = "e500v2",
- /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
.cpu_features = CPU_FTRS_E500_2,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
@@ -1522,6 +1576,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_e500,
.platform = "ppc8548",
},
+ { /* e500mc */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x80230000,
+ .cpu_name = "e500mc",
+ .cpu_features = CPU_FTRS_E500MC,
+ .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+ .icache_bsize = 64,
+ .dcache_bsize = 64,
+ .num_pmcs = 4,
+ .oprofile_cpu_type = "ppc/e500", /* xxx - galak, e500mc? */
+ .oprofile_type = PPC_OPROFILE_FSL_EMB,
+ .machine_check = machine_check_e500,
+ .platform = "ppce500mc",
+ },
{ /* default match */
.pvr_mask = 0x00000000,
.pvr_value = 0x00000000,
@@ -1567,9 +1635,34 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
t->cpu_setup = s->cpu_setup;
t->cpu_restore = s->cpu_restore;
t->platform = s->platform;
+ /*
+ * If we have passed through this logic once
+ * before and have pulled the default case
+ * because the real PVR was not found inside
+ * cpu_specs[], then we are possibly running in
+ * compatibility mode. In that case, let the
+ * oprofiler know which set of compatibility
+ * counters to pull from by making sure the
+ * oprofile_cpu_type string is set to that of
+ * compatibility mode. If the oprofile_cpu_type
+ * already has a value, then we are possibly
+ * overriding a real PVR with a logical one, and,
+ * in that case, keep the current value for
+ * oprofile_cpu_type.
+ */
+ if (t->oprofile_cpu_type == NULL)
+ t->oprofile_cpu_type = s->oprofile_cpu_type;
} else
*t = *s;
*PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
+
+ /*
+ * Set the base platform string once; assumes
+ * we're called with real pvr first.
+ */
+ if (*PTRRELOC(&powerpc_base_platform) == NULL)
+ *PTRRELOC(&powerpc_base_platform) = t->platform;
+
#if defined(CONFIG_PPC64) || defined(CONFIG_BOOKE)
/* ppc64 and booke expect identify_cpu to also call
* setup_cpu for that processor. I will consolidate
@@ -1587,38 +1680,3 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
BUG();
return NULL;
}
-
-void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end)
-{
- struct fixup_entry {
- unsigned long mask;
- unsigned long value;
- long start_off;
- long end_off;
- } *fcur, *fend;
-
- fcur = fixup_start;
- fend = fixup_end;
-
- for (; fcur < fend; fcur++) {
- unsigned int *pstart, *pend, *p;
-
- if ((value & fcur->mask) == fcur->value)
- continue;
-
- /* These PTRRELOCs will disappear once the new scheme for
- * modules and vdso is implemented
- */
- pstart = ((unsigned int *)fcur) + (fcur->start_off / 4);
- pend = ((unsigned int *)fcur) + (fcur->end_off / 4);
-
- for (p = pstart; p < pend; p++) {
- *p = 0x60000000u;
- asm volatile ("dcbst 0, %0" : : "r" (p));
- }
- asm volatile ("sync" : : : "memory");
- for (p = pstart; p < pend; p++)
- asm volatile ("icbi 0,%0" : : "r" (p));
- asm volatile ("sync; isync" : : : "memory");
- }
-}
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