errata: workaround for Cortex A77 errata 1791578
Cortex A77 erratum 1791578 is a Cat B erratum present in r0p0, r1p0,
and r1p1 of the A77 processor core, it is still open.
SDEN can be found here:
https://documentation-service.arm.com/static/60a63a3c982fc7708ac1c8b1
Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: Ib4b963144f880002de308def12744b982d3df868
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index fb33346..924c8d6 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -294,6 +294,10 @@
# only to revision <= r1p1 of the Cortex A77 cpu.
ERRATA_A77_1946167 ?=0
+# Flag to apply erratum 1791578 workaround during reset. This erratum applies
+# to revisions r0p0, r1p0, and r1p1, it is still open.
+ERRATA_A77_1791578 ?=0
+
# Flag to apply erratum 1688305 workaround during reset. This erratum applies
# to revisions r0p0 - r1p0 of the A78 cpu.
ERRATA_A78_1688305 ?=0
@@ -593,6 +597,10 @@
$(eval $(call assert_boolean,ERRATA_A77_1946167))
$(eval $(call add_define,ERRATA_A77_1946167))
+# Process ERRATA_A77_1791578 flag
+$(eval $(call assert_boolean,ERRATA_A77_1791578))
+$(eval $(call add_define,ERRATA_A77_1791578))
+
# Process ERRATA_A78_1688305 flag
$(eval $(call assert_boolean,ERRATA_A78_1688305))
$(eval $(call add_define,ERRATA_A78_1688305))