unsigned char module_type; /* 3 Key Byte / Module Type */
unsigned char density_banks; /* 4 SDRAM Density and Banks */
unsigned char addressing; /* 5 SDRAM Addressing */
- unsigned char res_6; /* 6 Reserved */
+ unsigned char module_vdd; /* 6 Module nominal voltage, VDD */
unsigned char organization; /* 7 Module Organization */
unsigned char bus_width; /* 8 Module Memory Bus Width */
unsigned char ftb_div; /* 9 Fine Timebase (FTB)
Delay Time*/
unsigned char opt_features; /* 30 SDRAM Optional Features */
unsigned char therm_ref_opt; /* 31 SDRAM Thermal and Refresh Opts */
- unsigned char res_32_59[28]; /* 32-59 Reserved, General Section */
+ unsigned char therm_sensor; /* 32 Module Thermal Sensor */
+ unsigned char device_type; /* 33 SDRAM device type */
+ int8_t fine_tCK_min; /* 34 Fine offset for tCKmin */
+ int8_t fine_tAA_min; /* 35 Fine offset for tAAmin */
+ int8_t fine_tRCD_min; /* 36 Fine offset for tRCDmin */
+ int8_t fine_tRP_min; /* 37 Fine offset for tRPmin */
+ int8_t fine_tRC_min; /* 38 Fine offset for tRCmin */
+ unsigned char res_39_59[21]; /* 39-59 Reserved, General Section */
/* Module-Specific Section: Bytes 60-116 */
union {
unsigned char mod_thickness;
/* 62 (Registered) Reference Raw Card Used */
unsigned char ref_raw_card;
+ /* 63 DIMM Module Attributes */
+ unsigned char modu_attr;
+ /* 64 RDIMM Thermal Heat Spreader Solution */
+ unsigned char thermal;
+ /* 65 Register Manufacturer ID Code, Least Significant Byte */
+ unsigned char reg_id_lo;
+ /* 66 Register Manufacturer ID Code, Most Significant Byte */
+ unsigned char reg_id_hi;
+ /* 67 Register Revision Number */
+ unsigned char reg_rev;
+ /* 68 Register Type */
+ unsigned char reg_type;
+ /* 69-76 RC1,3,5...15 (MS Nibble) / RC0,2,4...14 (LS Nibble) */
+ unsigned char rcw[8];
} registered;
unsigned char uc[57]; /* 60-116 Module-Specific Section */
} mod_section;
extern void ddr1_spd_dump(const ddr1_spd_eeprom_t *spd);
extern unsigned int ddr2_spd_check(const ddr2_spd_eeprom_t *spd);
extern void ddr2_spd_dump(const ddr2_spd_eeprom_t *spd);
+extern unsigned int ddr3_spd_check(const ddr3_spd_eeprom_t *spd);
/*
* Byte 2 Fundamental Memory Types.
#define SPD_MEMTYPE_DDR2_FBDIMM_PROBE (0x0A)
#define SPD_MEMTYPE_DDR3 (0x0B)
+/* DIMM Type for DDR2 SPD (according to v1.3) */
+#define DDR2_SPD_DIMMTYPE_UNDEFINED (0x00)
+#define DDR2_SPD_DIMMTYPE_RDIMM (0x01)
+#define DDR2_SPD_DIMMTYPE_UDIMM (0x02)
+#define DDR2_SPD_DIMMTYPE_SO_DIMM (0x04)
+#define DDR2_SPD_DIMMTYPE_72B_SO_CDIMM (0x06)
+#define DDR2_SPD_DIMMTYPE_72B_SO_RDIMM (0x07)
+#define DDR2_SPD_DIMMTYPE_MICRO_DIMM (0x08)
+#define DDR2_SPD_DIMMTYPE_MINI_RDIMM (0x10)
+#define DDR2_SPD_DIMMTYPE_MINI_UDIMM (0x20)
+
+/* Byte 3 Key Byte / Module Type for DDR3 SPD */
+#define DDR3_SPD_MODULETYPE_MASK (0x0f)
+#define DDR3_SPD_MODULETYPE_RDIMM (0x01)
+#define DDR3_SPD_MODULETYPE_UDIMM (0x02)
+#define DDR3_SPD_MODULETYPE_SO_DIMM (0x03)
+#define DDR3_SPD_MODULETYPE_MICRO_DIMM (0x04)
+#define DDR3_SPD_MODULETYPE_MINI_RDIMM (0x05)
+#define DDR3_SPD_MODULETYPE_MINI_UDIMM (0x06)
+#define DDR3_SPD_MODULETYPE_MINI_CDIMM (0x07)
+#define DDR3_SPD_MODULETYPE_72B_SO_UDIMM (0x08)
+#define DDR3_SPD_MODULETYPE_72B_SO_RDIMM (0x09)
+#define DDR3_SPD_MODULETYPE_72B_SO_CDIMM (0x0A)
+#define DDR3_SPD_MODULETYPE_LRDIMM (0x0B)
+#define DDR3_SPD_MODULETYPE_16B_SO_DIMM (0x0C)
+#define DDR3_SPD_MODULETYPE_32B_SO_DIMM (0x0D)
+
#endif /* _DDR_SPD_H_ */