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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
commitbe58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch)
tree779c248fb61c83f65d1f0dc867f2053d76b4e03a /lib/cpus/aarch32/aem_generic.S
parentInitial commit. (diff)
downloadarm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.tar.xz
arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.zip
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/cpus/aarch32/aem_generic.S')
-rw-r--r--lib/cpus/aarch32/aem_generic.S55
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/cpus/aarch32/aem_generic.S b/lib/cpus/aarch32/aem_generic.S
new file mode 100644
index 0000000..9f45e38
--- /dev/null
+++ b/lib/cpus/aarch32/aem_generic.S
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016-2017, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <aem_generic.h>
+#include <arch.h>
+#include <asm_macros.S>
+#include <assert_macros.S>
+#include <cpu_macros.S>
+
+func aem_generic_core_pwr_dwn
+ /* Assert if cache is enabled */
+#if ENABLE_ASSERTIONS
+ ldcopr r0, SCTLR
+ tst r0, #SCTLR_C_BIT
+ ASM_ASSERT(eq)
+#endif
+ /* ---------------------------------------------
+ * Flush L1 cache to PoU.
+ * ---------------------------------------------
+ */
+ mov r0, #DC_OP_CISW
+ b dcsw_op_louis
+endfunc aem_generic_core_pwr_dwn
+
+
+func aem_generic_cluster_pwr_dwn
+ /* Assert if cache is enabled */
+#if ENABLE_ASSERTIONS
+ ldcopr r0, SCTLR
+ tst r0, #SCTLR_C_BIT
+ ASM_ASSERT(eq)
+#endif
+ /* ---------------------------------------------
+ * Flush L1 and L2 caches to PoC.
+ * ---------------------------------------------
+ */
+ mov r0, #DC_OP_CISW
+ b dcsw_op_all
+endfunc aem_generic_cluster_pwr_dwn
+
+#if REPORT_ERRATA
+/*
+ * Errata printing function for AEM. Must follow AAPCS.
+ */
+func aem_generic_errata_report
+ bx lr
+endfunc aem_generic_errata_report
+#endif
+
+/* cpu_ops for Base AEM FVP */
+declare_cpu_ops aem_generic, BASE_AEM_MIDR, CPU_NO_RESET_FUNC, \
+ aem_generic_core_pwr_dwn, \
+ aem_generic_cluster_pwr_dwn