1 files changed, 47 insertions, 0 deletions
diff --git a/src/include/dimm_info_util.h b/src/include/dimm_info_util.h
new file mode 100644
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+++ b/src/include/dimm_info_util.h
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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 _DIMM_INFO_UTIL_H_
+#define _DIMM_INFO_UTIL_H_
+
+#include <smbios.h>
+#include <stdint.h>
+
+/**
+ * Convert the SMBIOS bit widths into an SPD encoded width.
+ *
+ * Use this when setting dimm_info.bus_width if the raw SPD values are not
+ * available.
+ */
+uint8_t smbios_bus_width_to_spd_width(uint16_t total_width,
+				      uint16_t data_width);
+
+/**
+ * Convert the SMBIOS size values into the total number of MiB.
+ *
+ * Use this when setting dimm_info.dimm_size.
+ */
+uint32_t smbios_memory_size_to_mib(uint16_t memory_size,
+				   uint32_t extended_size);
+
+/**
+ * Convert the SMBIOS form factor to the SPD module type.
+ *
+ * Use this when setting dimm_info.mod_type.
+ */
+uint8_t
+smbios_form_factor_to_spd_mod_type(smbios_memory_form_factor form_factor);
+
+#endif