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/include/lib/cpus/aarch64/cortex_a77.h b/include/lib/cpus/aarch64/cortex_a77.h
index 0a42a5d..5753e90 100644
--- a/include/lib/cpus/aarch64/cortex_a77.h
+++ b/include/lib/cpus/aarch64/cortex_a77.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -24,6 +24,12 @@
#define CORTEX_A77_CPUPWRCTLR_EL1 S3_0_C15_C2_7
#define CORTEX_A77_CPUPWRCTLR_EL1_CORE_PWRDN_BIT (U(1) << 0)
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A77_ACTLR2_EL1 S3_0_C15_C1_1
+#define CORTEX_A77_ACTLR2_EL1_BIT_2 (ULL(1) << 2)
+
#define CORTEX_A77_CPUPSELR_EL3 S3_6_C15_C8_0
#define CORTEX_A77_CPUPCR_EL3 S3_6_C15_C8_1
#define CORTEX_A77_CPUPOR_EL3 S3_6_C15_C8_2