Workaround for cortex-A76 errata 1286807

The workaround for Cortex-A76 errata #1286807 is implemented
in this patch.

Change-Id: I6c15af962ac99ce223e009f6d299cefb41043bed
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index c3ce1c4..c173706 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -87,12 +87,13 @@
  * TLB maintenance accessor prototypes
  ******************************************************************************/
 
-#if ERRATA_A57_813419
+#if ERRATA_A57_813419 || ERRATA_A76_1286807
 /*
  * Define function for TLBI instruction with type specifier that implements
- * the workaround for errata 813419 of Cortex-A57.
+ * the workaround for errata 813419 of Cortex-A57 or errata 1286807 of
+ * Cortex-A76.
  */
-#define DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_FUNC(_type)\
+#define DEFINE_TLBIOP_ERRATA_TYPE_FUNC(_type)\
 static inline void tlbi ## _type(void)			\
 {							\
 	__asm__("tlbi " #_type "\n"			\
@@ -102,9 +103,10 @@
 
 /*
  * Define function for TLBI instruction with register parameter that implements
- * the workaround for errata 813419 of Cortex-A57.
+ * the workaround for errata 813419 of Cortex-A57 or errata 1286807 of
+ * Cortex-A76.
  */
-#define DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_PARAM_FUNC(_type)	\
+#define DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(_type)	\
 static inline void tlbi ## _type(uint64_t v)			\
 {								\
 	__asm__("tlbi " #_type ", %0\n"				\
@@ -125,27 +127,51 @@
 }
 #endif /* ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319 */
 
+#if ERRATA_A57_813419
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1)
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1is)
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2)
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2is)
-#if ERRATA_A57_813419
-DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_FUNC(alle3)
-DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_FUNC(alle3is)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle3)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle3is)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, vmalle1)
+#elif ERRATA_A76_1286807
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle1)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle1is)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle2)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle2is)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle3)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(alle3is)
+DEFINE_TLBIOP_ERRATA_TYPE_FUNC(vmalle1)
 #else
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1is)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2is)
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle3)
 DEFINE_SYSOP_TYPE_FUNC(tlbi, alle3is)
-#endif
 DEFINE_SYSOP_TYPE_FUNC(tlbi, vmalle1)
+#endif
 
+#if ERRATA_A57_813419
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vaae1is)
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vaale1is)
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vae2is)
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vale2is)
-#if ERRATA_A57_813419
-DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_PARAM_FUNC(vae3is)
-DEFINE_TLBIOP_ERRATA_A57_813419_TYPE_PARAM_FUNC(vale3is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vae3is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vale3is)
+#elif ERRATA_A76_1286807
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vaae1is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vaale1is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vae2is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vale2is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vae3is)
+DEFINE_TLBIOP_ERRATA_TYPE_PARAM_FUNC(vale3is)
 #else
+DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vaae1is)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vaale1is)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vae2is)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vale2is)
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vae3is)
 DEFINE_SYSOP_TYPE_PARAM_FUNC(tlbi, vale3is)
 #endif