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Diffstat (limited to 'src/mainboard/gizmosphere/gizmo2/spd')
| -rw-r--r-- | src/mainboard/gizmosphere/gizmo2/spd/Micron_MT41J128M16JT.spd.hex | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/mainboard/gizmosphere/gizmo2/spd/Micron_MT41J128M16JT.spd.hex b/src/mainboard/gizmosphere/gizmo2/spd/Micron_MT41J128M16JT.spd.hex new file mode 100644 index 0000000000..54b4a607d2 --- /dev/null +++ b/src/mainboard/gizmosphere/gizmo2/spd/Micron_MT41J128M16JT.spd.hex @@ -0,0 +1,219 @@ +# SPDX-License-Identifier: GPL-2.0-only + +# Gizmo2 has 1GB using 4 Micron_MT41J128M16JT-125 chips +# The datasheet is available at: +# http://download.micron.com/pdf/datasheets/dram/ddr3/2Gb_DDR3_SDRAM.pdf + +# SPD contents for Gizmo2 2GB DDR3 (1600MHz PC3-12800) soldered down + +# 0 Number of SPD Bytes used / Total SPD Size / CRC Coverage +# bits[3:0]: 1 = 128 SPD Bytes Used +# bits[6:4]: 1 = 256 SPD Bytes Total +# bit7 : 0 = CRC covers bytes 0 ~ 125 +11 + +# 1 SPD Revision - +# 0x10 = Revision 1.0 +10 + +# 2 Key Byte / DRAM Device Type +# bits[7:0]: 0x0b = DDR3 SDRAM +0B + +# 3 Key Byte / Module Type +# bits[3:0]: 3 = SO-DIMM +# bits[7:4]: reserved +03 + +# 4 SDRAM CHIP Density and Banks +# bits[3:0]: 3 = 2 Gigabits Total SDRAM capacity per chip +# bits[6:4]: 0 = 3 (8 banks) +# bit7 : reserved +03 + +# 5 SDRAM Addressing +# bits[2:0]: 1 = 10 Column Address Bits +# bits[5:3]: 2 = 14 Row Address Bits +# bits[7:6]: reserved +11 + +# 6 Module Nominal Voltage, VDD +# bit0 : 0 = 1.5 V operable +# bit1 : 0 = NOT 1.35 V operable +# bit2 : 0 = NOT 1.25 V operable +# bits[7:3]: reserved +00 + +# 7 Module Organization +# bits[2:0]: 2 = 16 bits +# bits[5:3]: 0 = 1 Rank +# bits[7:6]: reserved +02 + +# 8 Module Memory Bus Width +# bits[2:0]: 3 = Primary bus width is 64 bits +# bits[4:3]: 0 = 0 bits (no bus width extension) +# bits[7:5]: reserved +03 + +# 9 Fine Timebase (FTB) Dividend / Divisor +# bits[3:0]: 0x02 divisor +# bits[7:4]: 0x05 dividend +# 5/2 = 2.5ps +52 + +# 10 Medium Timebase (MTB) Dividend +# 11 Medium Timebase (MTB) Divisor +# 1 / 8 = .125 ns - used for clock freq of 400 through 1066 MHz +01 08 + +# 12 SDRAM Minimum Cycle Time (tCKmin) +# 0x0a = tCKmin of 1.25 ns = DDR3-1600 (800 MHz clock) +0A + +# 13 Reserved +00 + +# 14 CAS Latencies Supported, Least Significant Byte +# 15 CAS Latencies Supported, Most Significant Byte +# Cas Latencies of 11 - 5 are supported +FE 00 + +# 16 Minimum CAS Latency Time (tAAmin) +# 0x6E = 13.75ns - DDR3-1600K +6E + +# 17 Minimum Write Recovery Time (tWRmin) +# 0x78 = tWR of 15ns - All DDR3 speed grades +78 + +# 18 Minimum RAS# to CAS# Delay Time (tRCDmin) +# 0x6E = 13.75ns - DDR3-1600K +6E + +# 19 Minimum Row Active to Row Active Delay Time (tRRDmin) +# 0x3C = 7.5ns +3C + +# 20 Minimum Row Precharge Delay Time (tRPmin) +# 0x6E = 13.75ns - DDR3-1600K +6E + +# 21 Upper Nibbles for tRAS and tRC +# bits[3:0]: tRAS most significant nibble = 1 (see byte 22) +# bits[7:4]: tRC most significant nibble = 1 (see byte 23) +11 + +# 22 Minimum Active to Precharge Delay Time (tRASmin), LSB +# 0x118 = 35ns - DDR3-1600 (see byte 21) +18 + +# 23 Minimum Active to Active/Refresh Delay Time (tRCmin), LSB +# 0x186 = 48.75ns - DDR3-1600K +86 + +# 24 Minimum Refresh Recovery Delay Time (tRFCmin), LSB +# 25 Minimum Refresh Recovery Delay Time (tRFCmin), MSB +# 0x500 = 160ns - for 2 Gigabit chips +00 05 + +# 26 Minimum Internal Write to Read Command Delay Time (tWTRmin) +# 0x3c = 7.5 ns - All DDR3 SDRAM speed bins +3C + +# 27 Minimum Internal Read to Precharge Command Delay Time (tRTPmin) +# 0x3c = 7.5ns - All DDR3 SDRAM speed bins +3C + +# 28 Upper Nibble for tFAWmin +# 29 Minimum Four Activate Window Delay Time (tFAWmin) +# 0x0140 = 40ns - DDR3-1600, 2 KB page size +01 40 + +# 30 SDRAM Optional Feature +# bit0 : 1= RZQ/6 supported +# bit1 : 1 = RZQ/7 supported +# bits[6:2]: reserved +# bit7 : 1 = DLL Off mode supported +83 + +# 31 SDRAM Thermal and Refresh Options +# bit0 : 1 = Temp up to 95c supported +# bit1 : 0 = 85-95c uses 2x refresh rate +# bit2 : 1 = Auto Self Refresh supported +# bit3 : 0 = no on die thermal sensor +# bits[6:4]: reserved +# bit7 : 0 = partial self refresh supported +05 + +# 32 Module Thermal Sensor +# 0 = Thermal sensor not incorporated onto this assembly +00 + +# 33 SDRAM Device Type +# bits[1:0]: 0 = Signal Loading not specified +# bits[3:2]: reserved +# bits[6:4]: 0 = Die count not specified +# bit7 : 0 = Standard Monolithic DRAM Device +00 + +# 34 Fine Offset for SDRAM Minimum Cycle Time (tCKmin) +# 35 Fine Offset for Minimum CAS Latency Time (tAAmin) +# 36 Fine Offset for Minimum RAS# to CAS# Delay Time (tRCDmin) +# 37 Fine Offset for Minimum Row Precharge Delay Time (tRPmin) +# 38 Fine Offset for Minimum Active to Active/Refresh Delay (tRCmin) +00 00 00 00 00 + +# 39 - 59 (reserved) +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 + +# 60 Raw Card Extension, Module Nominal Height +# bits[4:0]: 0 = <= 15mm tall +# bits[7:5]: 0 = raw card revision 0-3 +00 + +# 61 Module Maximum Thickness +# bits[3:0]: 0 = thickness front <= 1mm +# bits[7:4]: 0 = thinkness back <= 1mm +00 + +# 62 Reference Raw Card Used +# bits[4:0]: 0 = Reference Raw card A used +# bits[6:5]: 0 = revision 0 +# bit7 : 0 = Reference raw cards A through AL +00 + +# 63 Address Mapping from Edge Connector to DRAM +# bit0 : 0 = standard mapping (not mirrored) +# bits[7:1]: reserved +00 + +# 64 - 116 (reserved) +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 +00 00 00 00 00 + +# 117 - 118 Module ID: Module Manufacturers JEDEC ID Code +# 0x0001 = AMD +00 01 + +# 119 Module ID: Module Manufacturing Location - oem specified +# 120 Module ID: Module Manufacture Year in BCD +# 0x13 = 2013 +00 13 + +# 121 Module ID: Module Manufacture week +# 0x12 = 12th week +12 + +# 122 - 125: Module Serial Number +53 41 47 45 + +# 126 - 127: Cyclical Redundancy Code +00 00 |