powerpc: Add initial e6500 cpu support

Add basic support for e6500 core in its single threaded mode.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index ad55a1ccb9fb76fbe98c53005239df303efa5dc1..b9219e99bd2ae6cbc4c5882dff3dfd62759cbfe2 100644 (file)
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -390,6 +390,10 @@ extern const char *powerpc_base_platform;
            CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
            CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
            CPU_FTR_DEBUG_LVL_EXC)
+#define CPU_FTRS_E6500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \
+           CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
+           CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
+           CPU_FTR_DEBUG_LVL_EXC)
 #define CPU_FTRS_GENERIC_32    (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 
 /* 64-bit CPUs */
@@ -442,7 +446,7 @@ extern const char *powerpc_base_platform;
 
 #ifdef __powerpc64__
 #ifdef CONFIG_PPC_BOOK3E
-#define CPU_FTRS_POSSIBLE      (CPU_FTRS_E5500 | CPU_FTRS_A2)
+#define CPU_FTRS_POSSIBLE      (CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2)
 #else
 #define CPU_FTRS_POSSIBLE      \
            (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
@@ -483,7 +487,7 @@ enum {
 #endif
 #ifdef CONFIG_E500
            CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC |
-           CPU_FTRS_E5500 |
+           CPU_FTRS_E5500 | CPU_FTRS_E6500 |
 #endif
            0,
 };
@@ -491,7 +495,7 @@ enum {
 
 #ifdef __powerpc64__
 #ifdef CONFIG_PPC_BOOK3E
-#define CPU_FTRS_ALWAYS                (CPU_FTRS_E5500 & CPU_FTRS_A2)
+#define CPU_FTRS_ALWAYS                (CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2)
 #else
 #define CPU_FTRS_ALWAYS                \
            (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
@@ -528,7 +532,7 @@ enum {
 #endif
 #ifdef CONFIG_E500
            CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC &
-           CPU_FTRS_E5500 &
+           CPU_FTRS_E5500 & CPU_FTRS_E6500 &
 #endif
            CPU_FTRS_POSSIBLE,
 };

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 81db9e2a8a203e50b204bfec76cb2adef5f538f1..4dccf51064eafbf9834472df2c082ed022bec966 100644 (file)
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -2019,6 +2019,24 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .machine_check          = machine_check_e500mc,
                .platform               = "ppce5500",
        },
+       {       /* e6500 */
+               .pvr_mask               = 0xffff0000,
+               .pvr_value              = 0x80400000,
+               .cpu_name               = "e6500",
+               .cpu_features           = CPU_FTRS_E6500,
+               .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+               .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
+                       MMU_FTR_USE_TLBILX,
+               .icache_bsize           = 64,
+               .dcache_bsize           = 64,
+               .num_pmcs               = 4,
+               .oprofile_cpu_type      = "ppc/e6500",
+               .oprofile_type          = PPC_OPROFILE_FSL_EMB,
+               .cpu_setup              = __setup_cpu_e5500,
+               .cpu_restore            = __restore_cpu_e5500,
+               .machine_check          = machine_check_e500mc,
+               .platform               = "ppce6500",
+       },
 #ifdef CONFIG_PPC32
        {       /* default match */
                .pvr_mask               = 0x00000000,