powerpc: Add second POWER8 PVR entry

POWER8 comes with two different PVRs.  This patch enables the additional
PVR in the cputable.

The existing entry (PVR=0x4b) is renamed to POWER8E and the new entry
(PVR=0x4d) is given POWER8.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

3 files changed, 24 insertions, 4 deletions

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 5d7d9c2a5473..a6840e4e24f7 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1088,7 +1088,8 @@
 #define PVR_970MP       0x0044
 #define PVR_970GX       0x0045
 #define PVR_POWER7p     0x004A
-#define PVR_POWER8      0x004B
+#define PVR_POWER8E     0x004B
+#define PVR_POWER8      0x004D
 #define PVR_BE          0x0070
 #define PVR_PA6T        0x0090
 
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 2a45d0f04385..22973a74df73 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -494,9 +494,27 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_restore            = __restore_cpu_power7,
                 .platform               = "power7+",
         },
-        {       /* Power8 */
+        {       /* Power8E */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x004b0000,
+                .cpu_name               = "POWER8E (raw)",
+                .cpu_features           = CPU_FTRS_POWER8,
+                .cpu_user_features      = COMMON_USER_POWER8,
+                .cpu_user_features2     = COMMON_USER2_POWER8,
+                .mmu_features           = MMU_FTRS_POWER8,
+                .icache_bsize           = 128,
+                .dcache_bsize           = 128,
+                .num_pmcs               = 6,
+                .pmc_type               = PPC_PMC_IBM,
+                .oprofile_cpu_type      = "ppc64/power8",
+                .oprofile_type          = PPC_OPROFILE_INVALID,
+                .cpu_setup              = __setup_cpu_power8,
+                .cpu_restore            = __restore_cpu_power8,
+                .platform               = "power8",
+        },
+        {       /* Power8 */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x004d0000,
                 .cpu_name               = "POWER8 (raw)",
                 .cpu_features           = CPU_FTRS_POWER8,
                 .cpu_user_features      = COMMON_USER_POWER8,
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 5eccda9fd33f..607902424e73 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -644,7 +644,8 @@ unsigned char ibm_architecture_vec[] = {
         W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
         W(0xffff0000), W(0x003e0000),   /* POWER6 */
         W(0xffff0000), W(0x003f0000),   /* POWER7 */
-        W(0xffff0000), W(0x004b0000),   /* POWER8 */
+        W(0xffff0000), W(0x004b0000),   /* POWER8E */
+        W(0xffff0000), W(0x004d0000),   /* POWER8 */
         W(0xffffffff), W(0x0f000004),   /* all 2.07-compliant */
         W(0xffffffff), W(0x0f000003),   /* all 2.06-compliant */
         W(0xffffffff), W(0x0f000002),   /* all 2.05-compliant */
@@ -706,7 +707,7 @@ unsigned char ibm_architecture_vec[] = {
          * must match by the macro below. Update the definition if
          * the structure layout changes.
          */
-#define IBM_ARCH_VEC_NRCORES_OFFSET     117
+#define IBM_ARCH_VEC_NRCORES_OFFSET     125
         W(NR_CPUS),                     /* number of cores supported */
         0,
         0,