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authorAntonio Niño Díaz <antonio.ninodiaz@arm.com>2019-04-26 12:47:08 +0000
committerTrustedFirmware Code Review <review@review.trustedfirmware.org>2019-04-26 12:47:08 +0000
commitf80a60ce2936064e4b1319326b68acaa92b9f802 (patch)
tree6f373ae2b06afb089f94cd843b7078e084656377
parent8742f8574bcbb513480c53645dbc5b72ea5f451e (diff)
parentcd884aa6fb763a50671695071af7ce14c26d522d (diff)
Merge "Cortex-A53: Fix reporting of missing errata when not needed" into integration
-rw-r--r--lib/cpus/aarch64/cortex_a53.S42
1 files changed, 24 insertions, 18 deletions
diff --git a/lib/cpus/aarch64/cortex_a53.S b/lib/cpus/aarch64/cortex_a53.S
index f20082d2..6fd3c53f 100644
--- a/lib/cpus/aarch64/cortex_a53.S
+++ b/lib/cpus/aarch64/cortex_a53.S
@@ -45,31 +45,35 @@ endfunc cortex_a53_disable_smp
/* ---------------------------------------------------
* Errata Workaround for Cortex A53 Errata #819472.
* This applies only to revision <= r0p1 of Cortex A53.
+ * Due to the nature of the errata it is applied unconditionally
+ * when built in, report it as applicable in this case
* ---------------------------------------------------
*/
func check_errata_819472
- /*
- * Even though this is only needed for revision <= r0p1, it
- * is always applied due to limitations of the current
- * errata framework.
- */
- mov x0, #ERRATA_APPLIES
+#if ERRATA_A53_819472
+ mov x0, #ERRATA_APPLIES
ret
+#else
+ mov x1, #0x01
+ b cpu_rev_var_ls
+#endif
endfunc check_errata_819472
/* ---------------------------------------------------
* Errata Workaround for Cortex A53 Errata #824069.
* This applies only to revision <= r0p2 of Cortex A53.
+ * Due to the nature of the errata it is applied unconditionally
+ * when built in, report it as applicable in this case
* ---------------------------------------------------
*/
func check_errata_824069
- /*
- * Even though this is only needed for revision <= r0p2, it
- * is always applied due to limitations of the current
- * errata framework.
- */
- mov x0, #ERRATA_APPLIES
+#if ERRATA_A53_824069
+ mov x0, #ERRATA_APPLIES
ret
+#else
+ mov x1, #0x02
+ b cpu_rev_var_ls
+#endif
endfunc check_errata_824069
/* --------------------------------------------------
@@ -103,16 +107,18 @@ endfunc check_errata_826319
/* ---------------------------------------------------
* Errata Workaround for Cortex A53 Errata #827319.
* This applies only to revision <= r0p2 of Cortex A53.
+ * Due to the nature of the errata it is applied unconditionally
+ * when built in, report it as applicable in this case
* ---------------------------------------------------
*/
func check_errata_827319
- /*
- * Even though this is only needed for revision <= r0p2, it
- * is always applied due to limitations of the current
- * errata framework.
- */
- mov x0, #ERRATA_APPLIES
+#if ERRATA_A53_827319
+ mov x0, #ERRATA_APPLIES
ret
+#else
+ mov x1, #0x02
+ b cpu_rev_var_ls
+#endif
endfunc check_errata_827319
/* ---------------------------------------------------------------------