[PATCH] powerpc: Add cputable entry for POWER6

Add a cputable entry for the POWER6 processor.

The SIHV and SIPR bits in the mmcra have moved in POWER6, so disable
support for that until oprofile is fixed.

Also tell firmware that we know about POWER6.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 17 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 39e348a3ade2..3f7182db9ed5 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -57,6 +57,8 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
                                  PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
 #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
                                  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)
 #define COMMON_USER_BOOKE       (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
                                  PPC_FEATURE_BOOKE)
 
@@ -263,6 +265,20 @@ struct cpu_spec	cpu_specs[] = {
                 .oprofile_type          = PPC_OPROFILE_POWER4,
                 .platform               = "power5+",
         },
+        {       /* Power6 */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x003e0000,
+                .cpu_name               = "POWER6",
+                .cpu_features           = CPU_FTRS_POWER6,
+                .cpu_user_features      = COMMON_USER_POWER6,
+                .icache_bsize           = 128,
+                .dcache_bsize           = 128,
+                .num_pmcs               = 6,
+                .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power6",
+                .oprofile_type          = PPC_OPROFILE_POWER4,
+                .platform               = "power6",
+        },
         {       /* Cell Broadband Engine */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x00700000,
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 00ad7f981a0d..078fb5533541 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -686,6 +686,7 @@ static void __init early_cmdline_parse(void)
  */
 static unsigned char ibm_architecture_vec[] = {
         W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
+        W(0xffff0000), W(0x003e0000),   /* POWER6 */
         W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
         5 - 1,                          /* 5 option vectors */