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/aarch32/arch.h b/include/arch/aarch32/arch.h
index 2aa6eff..44044d4 100644
--- a/include/arch/aarch32/arch.h
+++ b/include/arch/aarch32/arch.h
@@ -71,7 +71,11 @@
/* Data Cache set/way op type defines */
#define DC_OP_ISW U(0x0)
#define DC_OP_CISW U(0x1)
+#if ERRATA_A53_827319
+#define DC_OP_CSW DC_OP_CISW
+#else
#define DC_OP_CSW U(0x2)
+#endif
/*******************************************************************************
* Generic timer memory mapped registers & offsets
diff --git a/include/arch/aarch32/arch_helpers.h b/include/arch/aarch32/arch_helpers.h
index 64ddc86..cbac84b 100644
--- a/include/arch/aarch32/arch_helpers.h
+++ b/include/arch/aarch32/arch_helpers.h
@@ -328,7 +328,11 @@
*/
DEFINE_DCOP_PARAM_FUNC(civac, DCCIMVAC)
DEFINE_DCOP_PARAM_FUNC(ivac, DCIMVAC)
+#if ERRATA_A53_819472 || ERRATA_A53_824069 || ERRATA_A53_827319
+DEFINE_DCOP_PARAM_FUNC(cvac, DCCIMVAC)
+#else
DEFINE_DCOP_PARAM_FUNC(cvac, DCCMVAC)
+#endif
/* Previously defined accessor functions with incomplete register names */
#define dsb() dsbsy()
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index b9d1f9f..f796ae8 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -119,7 +119,11 @@
/* Data cache set/way op type defines */
#define DCISW U(0x0)
#define DCCISW U(0x1)
+#if ERRATA_A53_827319
+#define DCCSW DCCISW
+#else
#define DCCSW U(0x2)
+#endif
/* ID_AA64PFR0_EL1 definitions */
#define ID_AA64PFR0_EL0_SHIFT U(0)
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)
/*******************************************************************************