fsl-ddr: add the DDR3 SPD infrastructure

[oweals/u-boot.git] / include / ddr_spd.h

diff --git a/include/ddr_spd.h b/include/ddr_spd.h
index 6fdcef0c0af795987f828b757f2c7e2fbe90b2e8..10402c5bbb242c4b48d6832b886fa4180edb40ee 100644 (file)
--- a/include/ddr_spd.h
+++ b/include/ddr_spd.h
@@ -184,7 +184,7 @@ typedef struct ddr3_spd_eeprom_s {
        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)
@@ -273,6 +273,7 @@ extern unsigned int ddr1_spd_check(const ddr1_spd_eeprom_t *spd);
 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.
@@ -289,4 +290,14 @@ extern void ddr2_spd_dump(const ddr2_spd_eeprom_t *spd);
 #define SPD_MEMTYPE_DDR2_FBDIMM_PROBE  (0x0A)
 #define SPD_MEMTYPE_DDR3       (0x0B)
 
+/*
+ * Byte 3 Key Byte / Module Type for DDR3 SPD
+ */
+#define SPD_MODULETYPE_RDIMM           (0x01)
+#define SPD_MODULETYPE_UDIMM           (0x02)
+#define SPD_MODULETYPE_SODIMM          (0x03)
+#define SPD_MODULETYPE_MICRODIMM       (0x04)
+#define SPD_MODULETYPE_MINIRDIMM       (0x05)
+#define SPD_MODULETYPE_MINIUDIMM       (0x06)
+
 #endif /* _DDR_SPD_H_ */