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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/include/asm/arm-cci.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/arm/include/asm/arm-cci.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arm-cci.h b/arch/arm/include/asm/arm-cci.h
new file mode 100644
index 000000000..7537bd790
--- /dev/null
+++ b/arch/arm/include/asm/arm-cci.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/include/asm/arm-cci.h
+ *
+ * Copyright (C) 2015 ARM Ltd.
+ */
+
+#ifndef __ASM_ARM_CCI_H
+#define __ASM_ARM_CCI_H
+
+#ifdef CONFIG_MCPM
+#include <asm/mcpm.h>
+
+/*
+ * We don't have a reliable way of detecting whether,
+ * if we have access to secure-only registers, unless
+ * mcpm is registered.
+ */
+static inline bool platform_has_secure_cci_access(void)
+{
+ return mcpm_is_available();
+}
+
+#else
+static inline bool platform_has_secure_cci_access(void)
+{
+ return false;
+}
+#endif
+
+#endif