1 files changed, 63 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/ebda.h b/src/soc/intel/common/block/include/intelblocks/ebda.h
new file mode 100644
index 0000000000..031cf1973d
--- /dev/null
+++ b/src/soc/intel/common/block/include/intelblocks/ebda.h
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOC_INTEL_COMMON_BLOCK_EBDA_H
+#define SOC_INTEL_COMMON_BLOCK_EBDA_H
+
+#include <soc/ebda.h>
+
+#define EBDA_SIGNATURE 0xebda
+
+/*
+ * Mainboard Override function
+ *
+ * Mainboard directory may implement below functionality for romstage.
+ */
+
+/* Fill up EBDA structure inside Mainboard directory */
+void create_mainboard_ebda(struct ebda_config *cfg);
+
+/*
+ * SoC overrides
+ *
+ * All new SoC must implement below functionality for romstage.
+ */
+void fill_soc_memmap_ebda(struct ebda_config *cfg);
+
+/*
+ * API to perform below operation
+ * 1. Initialize EBDA area
+ * 2. Fill up EBDA structure inside SOC directory
+ * 3. Fill up EBDA structure inside Mainboard directory
+ * 4. Store EBDA structure into EBDA area
+ */
+void fill_ebda_area(void);
+
+/*
+ * EBDA structure
+ *
+ * SOC should implement EBDA structure as per need
+ * as below.
+ *
+ * Note: First 4 bytes should be reserved for signature as
+ * 0xEBDA
+ *
+ * struct ebda_config {
+ *	uint32_t signature;
+ *	<Required variables..>
+ * };
+ */
+
+#endif