Cortex-A53: Workarounds for 819472, 824069 and 827319
The workarounds for these errata are so closely related that it is
better to only have one patch to make it easier to understand.
Change-Id: I0287fa69aefa8b72f884833f6ed0e7775ca834e9
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index e07db30..836d61e 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -113,6 +113,18 @@
}
#endif /* ERRATA_A57_813419 */
+#if ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319
+/*
+ * Define function for DC instruction with register parameter that enables
+ * the workaround for errata 819472, 824069 and 827319 of Cortex-A53.
+ */
+#define DEFINE_DCOP_ERRATA_A53_TYPE_PARAM_FUNC(_name, _type) \
+static inline void dc ## _name(uint64_t v) \
+{ \
+ __asm__("dc " #_type ", %0" : : "r" (v)); \
+}
+#endif /* ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319 */
+
DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1)
DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1is)
DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2)
@@ -143,11 +155,23 @@
******************************************************************************/
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, isw)
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cisw)
+#if ERRATA_A53_827319
+DEFINE_DCOP_ERRATA_A53_TYPE_PARAM_FUNC(csw, cisw)
+#else
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, csw)
+#endif
+#if ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319
+DEFINE_DCOP_ERRATA_A53_TYPE_PARAM_FUNC(cvac, civac)
+#else
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cvac)
+#endif
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, ivac)
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, civac)
+#if ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319
+DEFINE_DCOP_ERRATA_A53_TYPE_PARAM_FUNC(cvau, civac)
+#else
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cvau)
+#endif
DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, zva)
/*******************************************************************************