summaryrefslogtreecommitdiffstats
path: root/plat/arm/common/trp
diff options
context:
space:
mode:
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/arm/common/trp
parentInitial commit. (diff)
downloadarm-trusted-firmware-upstream.tar.xz
arm-trusted-firmware-upstream.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 'plat/arm/common/trp')
-rw-r--r--plat/arm/common/trp/arm_trp.mk12
-rw-r--r--plat/arm/common/trp/arm_trp_setup.c72
2 files changed, 84 insertions, 0 deletions
diff --git a/plat/arm/common/trp/arm_trp.mk b/plat/arm/common/trp/arm_trp.mk
new file mode 100644
index 0000000..204c14a
--- /dev/null
+++ b/plat/arm/common/trp/arm_trp.mk
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# TRP source files common to ARM standard platforms
+RMM_SOURCES += plat/arm/common/trp/arm_trp_setup.c \
+ plat/arm/common/arm_topology.c \
+ plat/common/aarch64/platform_mp_stack.S
+
+INCLUDES += -Iinclude/services/trp
diff --git a/plat/arm/common/trp/arm_trp_setup.c b/plat/arm/common/trp/arm_trp_setup.c
new file mode 100644
index 0000000..59b4c06
--- /dev/null
+++ b/plat/arm/common/trp/arm_trp_setup.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <drivers/arm/pl011.h>
+#include <drivers/console.h>
+#include <services/rmm_core_manifest.h>
+#include <services/rmmd_svc.h>
+#include <services/trp/platform_trp.h>
+#include <trp_helpers.h>
+
+#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
+
+/*******************************************************************************
+ * Received from boot manifest and populated here
+ ******************************************************************************/
+extern uint32_t trp_boot_manifest_version;
+
+/*******************************************************************************
+ * Initialize the UART
+ ******************************************************************************/
+static console_t arm_trp_runtime_console;
+
+static int arm_trp_process_manifest(rmm_manifest_t *manifest)
+{
+ /* Verify the Boot Manifest Version. Only the Major is considered */
+ if (RMMD_MANIFEST_VERSION_MAJOR !=
+ RMMD_GET_MANIFEST_VERSION_MAJOR(manifest->version)) {
+ return E_RMM_BOOT_MANIFEST_VERSION_NOT_SUPPORTED;
+ }
+
+ trp_boot_manifest_version = manifest->version;
+ flush_dcache_range((uintptr_t)manifest, sizeof(rmm_manifest_t));
+
+ return 0;
+}
+
+void arm_trp_early_platform_setup(rmm_manifest_t *manifest)
+{
+ int rc;
+
+ rc = arm_trp_process_manifest(manifest);
+ if (rc != 0) {
+ trp_boot_abort(rc);
+ }
+
+ /*
+ * Initialize a different console than already in use to display
+ * messages from trp
+ */
+ rc = console_pl011_register(PLAT_ARM_TRP_UART_BASE,
+ PLAT_ARM_TRP_UART_CLK_IN_HZ,
+ ARM_CONSOLE_BAUDRATE,
+ &arm_trp_runtime_console);
+ if (rc == 0) {
+ panic();
+ }
+
+ console_set_scope(&arm_trp_runtime_console,
+ CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
+
+}
+
+void trp_early_platform_setup(rmm_manifest_t *manifest)
+{
+ arm_trp_early_platform_setup(manifest);
+}