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Merge "Cortex-A53: Fix reporting of missing errata when not needed" into integration

pull/1929/head
Antonio Niño Díaz 6 years ago
committed by TrustedFirmware Code Review
parent
commit
f80a60ce29
  1. 42
      lib/cpus/aarch64/cortex_a53.S

42
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
/* ---------------------------------------------------------------------

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