fix(cpus): workaround for Cortex-X3 erratum 2070301
Cortex-X3 erratum 2070301 is a Cat B erratum that applies to all
revisions <= r1p2 and is still open.
The workaround is to write the value 4'b1001 to the PF_MODE bits
in the IMP_CPUECTLR2_EL1 register. This places the data prefetcher
in the most conservative mode instead of disabling it.
SDEN documentation:
https://developer.arm.com/documentation/2055130/latest
Change-Id: I337c4c7bb9221715aaf973a55d0154e1c7555768
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
diff --git a/services/std_svc/errata_abi/errata_abi_main.c b/services/std_svc/errata_abi/errata_abi_main.c
index ca66396..c0a089b 100644
--- a/services/std_svc/errata_abi/errata_abi_main.c
+++ b/services/std_svc/errata_abi/errata_abi_main.c
@@ -428,10 +428,11 @@
{
.cpu_partnumber = CORTEX_X3_MIDR,
.cpu_errata_list = {
- [0] = {2313909, 0x00, 0x10, ERRATA_X3_2313909},
- [1] = {2615812, 0x00, 0x11, ERRATA_X3_2615812},
- [2] = {2742421, 0x00, 0x11, ERRATA_X3_2742421},
- [3 ... ERRATA_LIST_END] = UNDEF_ERRATA,
+ [0] = {2070301, 0x00, 0x12, ERRATA_X3_2070301},
+ [1] = {2313909, 0x00, 0x10, ERRATA_X3_2313909},
+ [2] = {2615812, 0x00, 0x11, ERRATA_X3_2615812},
+ [3] = {2742421, 0x00, 0x11, ERRATA_X3_2742421},
+ [4 ... ERRATA_LIST_END] = UNDEF_ERRATA,
}
},
#endif /* CORTEX_X3_H_INC */