diff options
| author | Dave Liu <daveliu@freescale.com> | 2009-03-14 12:48:30 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-03-30 13:33:50 -0500 |
| commit | c360ceac0286159f94d9d1a9496fc9858c8d9bec (patch) | |
| tree | fdd1868af478993fdb547171665c5c517ee6c071 /include/ddr_spd.h | |
| parent | 6a8197836702991468cead5ead073f589e2623ad (diff) | |
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>
Diffstat (limited to 'include/ddr_spd.h')
| -rw-r--r-- | include/ddr_spd.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/ddr_spd.h b/include/ddr_spd.h index 6fdcef0c0af..10402c5bbb2 100644 --- 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_ */ |