powerpc: Add cputable entry for POWER7

Add a cputable entry for the POWER7 processor.

Also tell firmware that we know about POWER7.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

4 files changed, 41 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index f247fc6ad12d..d8d669308403 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -53,6 +53,8 @@ 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
@@ -69,6 +71,9 @@ extern void __restore_cpu_ppc970(void);
 #define COMMON_USER_POWER6      (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
                                  PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
                                  PPC_FEATURE_TRUE_LE)
+#define COMMON_USER_POWER7      (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\
+                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
+                                 PPC_FEATURE_TRUE_LE)
 #define COMMON_USER_PA6T        (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
                                  PPC_FEATURE_TRUE_LE | \
                                  PPC_FEATURE_HAS_ALTIVEC_COMP)
@@ -381,6 +386,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_generic,
                 .platform               = "power6",
         },
+        {       /* Power7 */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x003f0000,
+                .cpu_name               = "POWER7",
+                .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,
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 7b9160220698..85cb6f340846 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -116,3 +116,8 @@ _GLOBAL(longjmp)
         mtlr    r0
         mr      r3,r4
         blr
+
+_GLOBAL(__setup_cpu_power7)
+_GLOBAL(__restore_cpu_power7)
+        /* place holder */
+        blr
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 6d6df1e60325..7585ed181ff8 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -650,6 +650,7 @@ 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(0xffff0000), W(0x003f0000),   /* POWER7 */
         W(0xffffffff), W(0x0f000002),   /* all 2.05-compliant */
         W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
         5 - 1,                          /* 5 option vectors */
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 9106113ae0b5..3e5b2deafe44 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -26,6 +26,7 @@
 #define PPC_FEATURE_PA6T                0x00000800
 #define PPC_FEATURE_HAS_DFP             0x00000400
 #define PPC_FEATURE_POWER6_EXT          0x00000200
+#define PPC_FEATURE_ARCH_2_06           0x00000100
 
 #define PPC_FEATURE_TRUE_LE             0x00000002
 #define PPC_FEATURE_PPC_LE              0x00000001
@@ -379,6 +380,12 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
             CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
             CPU_FTR_DSCR)
+#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
+            CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
+            CPU_FTR_DSCR)
 #define CPU_FTRS_CELL   (CPU_FTR_USE_TB | \
             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
             CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
@@ -394,7 +401,8 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
 #define CPU_FTRS_POSSIBLE       \
             (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
             CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 |       \
-            CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_1T_SEGMENT)
+            CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T |           \
+            CPU_FTR_1T_SEGMENT)
 #else
 enum {
         CPU_FTRS_POSSIBLE =
@@ -434,7 +442,7 @@ enum {
 #define CPU_FTRS_ALWAYS         \
             (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
             CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 &       \
-            CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
+            CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
 #else
 enum {
         CPU_FTRS_ALWAYS =