[POWERPC] Add cpu feature for SPE handling

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / cputable.h

diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 3dc8e2dfca84d26c9b92c36fc28ed42b068aacfd..f62cffd56c0c4ed00c9e1a5620c480e28ef7341b 100644 (file)
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -136,6 +136,7 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
 #define CPU_FTR_REAL_LE                        ASM_CONST(0x0000000000400000)
 #define CPU_FTR_FPU_UNAVAILABLE                ASM_CONST(0x0000000000800000)
 #define CPU_FTR_UNIFIED_ID_CACHE       ASM_CONST(0x0000000001000000)
+#define CPU_FTR_SPE                    ASM_CONST(0x0000000002000000)
 
 /*
  * Add the 64-bit processor unique features in the top half of the word;
@@ -180,6 +181,21 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
 #endif
 
+/* We only set the spe features if the kernel was compiled with spe
+ * support
+ */
+#ifdef CONFIG_SPE
+#define CPU_FTR_SPE_COMP       CPU_FTR_SPE
+#define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
+#define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
+#define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
+#else
+#define CPU_FTR_SPE_COMP       0
+#define PPC_FEATURE_HAS_SPE_COMP    0
+#define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
+#define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
+#endif
+
 /* We need to mark all pages as being coherent if we're SMP or we
  * have a 74[45]x and an MPC107 host bridge. Also 83xx requires
  * it for PCI "streaming/prefetch" to work properly.
@@ -310,10 +326,12 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
 #define CPU_FTRS_8XX   (CPU_FTR_USE_TB)
 #define CPU_FTRS_40X   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
 #define CPU_FTRS_44X   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
-#define CPU_FTRS_E200  (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \
-           CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE)
-#define CPU_FTRS_E500  (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
-#define CPU_FTRS_E500_2        (CPU_FTR_USE_TB | \
+#define CPU_FTRS_E200  (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
+           CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
+           CPU_FTR_UNIFIED_ID_CACHE)
+#define CPU_FTRS_E500  (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
+           CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E500_2        (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
            CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
 #define CPU_FTRS_GENERIC_32    (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)