1 files changed, 144 insertions, 0 deletions
diff --git a/include/drivers/brcm/fru.h b/include/drivers/brcm/fru.h
new file mode 100644
index 0000000..ee863b4
--- /dev/null
+++ b/include/drivers/brcm/fru.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2019-2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FRU_H
+#define FRU_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/* max string length */
+#define FRU_MAX_STR_LEN      32
+
+/* max number of DDR channels */
+#define BCM_MAX_NR_DDR       3
+
+/* max supported FRU table size */
+#define BCM_MAX_FRU_LEN      512
+
+/* FRU table starting offset */
+#define BCM_FRU_TBL_OFFSET   0x300000
+
+/* FRU time constants */
+#define MINS_PER_DAY        1440
+#define MINS_PER_HOUR       60
+#define FRU_YEAR_START      1996
+#define FRU_MONTH_START     1
+#define FRU_DAY_START       1
+#define MONTHS_PER_YEAR     12
+
+/*
+ * FRU areas based on the spec
+ */
+enum fru_area_name {
+	FRU_AREA_INTERNAL = 0,
+	FRU_AREA_CHASSIS_INFO,
+	FRU_AREA_BOARD_INFO,
+	FRU_AREA_PRODUCT_INFO,
+	FRU_AREA_MRECORD_INFO,
+	FRU_MAX_NR_AREAS
+};
+
+/*
+ * FRU area information
+ *
+ * @use: indicate this area is being used
+ * @version: format version
+ * @offset: offset of this area from the beginning of the FRU table
+ * @len: total length of the area
+ */
+struct fru_area_info {
+	bool use;
+	uint8_t version;
+	unsigned int offset;
+	unsigned int len;
+};
+
+/*
+ * DDR MCB information
+ *
+ * @idx: DDR channel index
+ * @size_mb: DDR size of this channel in MB
+ * @ref_id: DDR MCB reference ID
+ */
+struct ddr_mcb {
+	unsigned int idx;
+	unsigned int size_mb;
+	uint32_t ref_id;
+};
+
+/*
+ * DDR information
+ *
+ * @ddr_info: array that contains MCB related info for each channel
+ */
+struct ddr_info {
+	struct ddr_mcb mcb[BCM_MAX_NR_DDR];
+};
+
+/*
+ * FRU board area information
+ *
+ * @lang: Language code
+ * @mfg_date: Manufacturing date
+ * @manufacturer: Manufacturer
+ * @product_name: Product name
+ * @serial_number: Serial number
+ * @part_number: Part number
+ * @file_id: FRU file ID
+ */
+struct fru_board_info {
+	unsigned char lang;
+	unsigned int mfg_date;
+	unsigned char manufacturer[FRU_MAX_STR_LEN];
+	unsigned char product_name[FRU_MAX_STR_LEN];
+	unsigned char serial_number[FRU_MAX_STR_LEN];
+	unsigned char part_number[FRU_MAX_STR_LEN];
+	unsigned char file_id[FRU_MAX_STR_LEN];
+};
+
+/*
+ * FRU manufacture date in human readable format
+ */
+struct fru_time {
+	unsigned int min;
+	unsigned int hour;
+	unsigned int day;
+	unsigned int month;
+	unsigned int year;
+};
+
+#ifdef USE_FRU
+int fru_validate(uint8_t *data, struct fru_area_info *fru_area);
+int fru_parse_ddr(uint8_t *data, struct fru_area_info *area,
+		  struct ddr_info *ddr);
+int fru_parse_board(uint8_t *data, struct fru_area_info *area,
+		    struct fru_board_info *board);
+void fru_format_time(unsigned int min, struct fru_time *tm);
+#else
+static inline int fru_validate(uint8_t *data, struct fru_area_info *fru_area)
+{
+	return -1;
+}
+
+static inline int fru_parse_ddr(uint8_t *data, struct fru_area_info *area,
+				struct ddr_info *ddr)
+{
+	return -1;
+}
+
+static inline int fru_parse_board(uint8_t *data, struct fru_area_info *area,
+				  struct fru_board_info *board)
+{
+	return -1;
+}
+
+static inline void fru_format_time(unsigned int min, struct fru_time *tm)
+{
+}
+#endif /* USE_FRU */
+
+#endif /* FRU_H */