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Diffstat (limited to 'plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c')
-rw-r--r--plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c b/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c
new file mode 100644
index 000000000..ae6af6c08
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "../../../../bl1/bl1_private.h"
+#include <arch.h>
+
+#include <fvp_r_arch_helpers.h>
+
+/*******************************************************************************
+ * Function that does the first bit of architectural setup that affects
+ * execution in the non-secure address space.
+ ******************************************************************************/
+void bl1_arch_setup(void)
+{
+ /* v8-R64 does not include SCRs. */
+}
+
+/*******************************************************************************
+ * Set the Secure EL1 required architectural state
+ ******************************************************************************/
+void bl1_arch_next_el_setup(void)
+{
+ u_register_t next_sctlr;
+
+ /* Use the same endianness than the current BL */
+ next_sctlr = (read_sctlr_el2() & SCTLR_EE_BIT);
+
+ /* Set SCTLR Secure EL1 */
+ next_sctlr |= SCTLR_EL1_RES1;
+
+ write_sctlr_el1(next_sctlr);
+}