fsl-ddr: add the DDR3 SPD infrastructure
- support mirrored DIMMs, not support register DIMMs
- test passed on P2020DS board with MT9JSF12872AY-1G1D1
- test passed on MPC8569MDS board with MT8JSF12864HY-1G1D1
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Travis Wheatley <travis.wheatley@freescale.com>
diff --git a/include/ddr_spd.h b/include/ddr_spd.h
index 6fdcef0..10402c5 100644
--- a/include/ddr_spd.h
+++ b/include/ddr_spd.h
@@ -184,7 +184,7 @@
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 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 @@
#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_ */