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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/intel/soc/common/aarch64/platform_common.c
parentInitial commit. (diff)
downloadarm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz
arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--plat/intel/soc/common/aarch64/platform_common.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/plat/intel/soc/common/aarch64/platform_common.c b/plat/intel/soc/common/aarch64/platform_common.c
new file mode 100644
index 0000000..b79a63c
--- /dev/null
+++ b/plat/intel/soc/common/aarch64/platform_common.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <platform_def.h>
+#include <plat/common/platform.h>
+
+#include "socfpga_private.h"
+
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return PLAT_SYS_COUNTER_FREQ_IN_TICKS;
+}
+
+unsigned long socfpga_get_ns_image_entrypoint(void)
+{
+ return PLAT_NS_IMAGE_OFFSET;
+}
+
+/******************************************************************************
+ * Gets SPSR for BL32 entry
+ *****************************************************************************/
+uint32_t socfpga_get_spsr_for_bl32_entry(void)
+{
+ /*
+ * The Secure Payload Dispatcher service is responsible for
+ * setting the SPSR prior to entry into the BL32 image.
+ */
+ return 0;
+}
+
+/******************************************************************************
+ * Gets SPSR for BL33 entry
+ *****************************************************************************/
+uint32_t socfpga_get_spsr_for_bl33_entry(void)
+{
+ unsigned long el_status;
+ unsigned int mode;
+ uint32_t spsr;
+
+ /* Figure out what mode we enter the non-secure world in */
+ el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
+ el_status &= ID_AA64PFR0_ELX_MASK;
+
+ mode = (el_status) ? MODE_EL2 : MODE_EL1;
+
+ /*
+ * TODO: Consider the possibility of specifying the SPSR in
+ * the FIP ToC and allowing the platform to have a say as
+ * well.
+ */
+ spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+ return spsr;
+}
+