1 files changed, 64 insertions, 0 deletions
diff --git a/plat/arm/board/fvp/fconf/fconf_nt_config_getter.c b/plat/arm/board/fvp/fconf/fconf_nt_config_getter.c
new file mode 100644
index 0000000..e258015
--- /dev/null
+++ b/plat/arm/board/fvp/fconf/fconf_nt_config_getter.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <common/fdt_wrappers.h>
+
+#include <libfdt.h>
+#include <fconf_nt_config_getter.h>
+
+#include <plat/common/platform.h>
+
+struct event_log_config_t event_log_config;
+
+int fconf_populate_event_log_config(uintptr_t config)
+{
+	int err;
+	int node;
+
+	/* Necessary to work with libfdt APIs */
+	const void *dtb = (const void *)config;
+
+	/*
+	 * Find the offset of the node containing "arm,tpm_event_log"
+	 * compatible property
+	 */
+	const char *compatible_str = "arm,tpm_event_log";
+
+	node = fdt_node_offset_by_compatible(dtb, -1, compatible_str);
+	if (node < 0) {
+		ERROR("FCONF: Can't find '%s' compatible in dtb\n",
+			compatible_str);
+		return node;
+	}
+
+	/* Retrieve Event Log details from the DTB */
+#ifdef SPD_opteed
+	err = fdtw_read_cells(dtb, node, "tpm_event_log_sm_addr", 2,
+				&event_log_config.tpm_event_log_sm_addr);
+	if (err < 0) {
+		ERROR("FCONF: Read cell failed for 'tpm_event_log_sm_addr'\n");
+		return err;
+	}
+#endif
+	err = fdtw_read_cells(dtb, node,
+		"tpm_event_log_addr", 2, &event_log_config.tpm_event_log_addr);
+	if (err < 0) {
+		ERROR("FCONF: Read cell failed for 'tpm_event_log_addr'\n");
+		return err;
+	}
+
+	err = fdtw_read_cells(dtb, node,
+		"tpm_event_log_size", 1, &event_log_config.tpm_event_log_size);
+	if (err < 0) {
+		ERROR("FCONF: Read cell failed for 'tpm_event_log_size'\n");
+	}
+
+	return err;
+}
+
+FCONF_REGISTER_POPULATOR(NT_CONFIG, event_log_config,
+				fconf_populate_event_log_config);