779 lines
27 KiB
Perl
Executable File
779 lines
27 KiB
Perl
Executable File
package xCAT::SPD;
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#This module provides the ability to decode DIMM SPD data to human readable format
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use strict;
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#use Data::Dumper;
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require Exporter;
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our @ISA=qw/Exporter/;
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our @EXPORT_OK=qw/decode_spd/;
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sub do_crc16 {
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my @data = @_;
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my $crc = 0;
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while (@data) {
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my $byte = shift @data;
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$crc = $crc ^ $byte<<8;
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my $loopcount=8;
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while ($loopcount--) {
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if ($crc & 0x8000) {
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$crc = $crc <<1 ^ 0x1021;
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} else {
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$crc = $crc << 1;
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}
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}
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}
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return $crc & 0xffff;;;;
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}
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sub decode_manufacturer {
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my $jedec_ids = [
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{
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0x01 => "AMD",
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0x02 => "AMI",
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0x83 => "Fairchild",
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0x04 => "Fujitsu",
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0x85 => "GTE",
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0x86 => "Harris",
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0x07 => "Hitachi",
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0x08 => "Inmos",
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0x89 => "Intel",
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0x8a => "I.T.T.",
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0x0b => "Intersil",
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0x8c => "Monolithic Memories",
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0x0d => "Mostek",
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0x0e => "Motorola",
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0x8f => "National",
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0x10 => "NEC",
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0x91 => "RCA",
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0x92 => "Raytheon",
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0x13 => "Conexant (Rockwell)",
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0x94 => "Seeq",
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0x15 => "Philips Semi. (Signetics)",
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0x16 => "Synertek",
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0x97 => "Texas Instruments",
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0x98 => "Toshiba",
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0x19 => "Xicor",
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0x1a => "Zilog",
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0x9b => "Eurotechnique",
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0x1c => "Mitsubishi",
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0x9d => "Lucent (AT&T)",
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0x9e => "Exel",
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0x1f => "Atmel",
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0x20 => "SGS/Thomson",
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0xa1 => "Lattice Semi.",
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0xa2 => "NCR",
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0x23 => "Wafer Scale Integration",
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0xa4 => "IBM",
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0x25 => "Tristar",
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0x26 => "Visic",
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0xa7 => "Intl. CMOS Technology",
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0xa8 => "SSSI",
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0x29 => "Microchip Technology",
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0x2a => "Ricoh Ltd.",
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0xab => "VLSI",
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0x2c => "Micron Technology",
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0xad => "Hyundai Electronics",
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0xae => "OKI Semiconductor",
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0x2f => "ACTEL",
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0xb0 => "Sharp",
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0x31 => "Catalyst",
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0x32 => "Panasonic",
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0xb3 => "IDT",
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0x34 => "Cypress",
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0xb5 => "DEC",
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0xb6 => "LSI Logic",
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0x37 => "Zarlink",
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0x38 => "UTMC",
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0xb9 => "Thinking Machine",
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0xba => "Thomson CSF",
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0x3b => "Integrated CMOS(Vertex)",
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0xbc => "Honeywell",
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0x3d => "Tektronix",
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0x3e => "Sun Microsystems",
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0xbf => "SST",
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0x40 => "MOSEL",
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0xc1 => "Infineon",
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0xc2 => "Macronix",
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0x43 => "Xerox",
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0xc4 => "Plus Logic",
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0x45 => "SunDisk",
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0x46 => "Elan Circuit Tech.",
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0xc7 => "European Silicon Str.",
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0xc8 => "Apple Computer",
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0xc9 => "Xilinx",
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0x4a => "Compaq",
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0xcb => "Protocol Engines",
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0x4c => "SCI",
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0xcd => "Seiko Instruments",
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0xce => "Samsung",
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0x4f => "I3 Design System",
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0xd0 => "Klic",
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0x51 => "Crosspoint Solutions",
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0x52 => "Alliance Semiconductor",
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0xd3 => "Tandem",
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0x54 => "Hewlett-Packard",
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0xd5 => "Intg. Silicon Solutions",
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0xd6 => "Brooktree",
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0x57 => "New Media",
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0x58 => "MHS Electronic",
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0xd9 => "Performance Semi.",
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0xda => "Winbond Electronic",
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0x5b => "Kawasaki Steel",
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0xdc => "Bright Micro",
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0x5d => "TECMAR",
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0x5e => "Exar",
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0xdf => "PCMCIA",
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0xe0 => "LG Semiconductor",
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0x61 => "Northern Telecom",
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0x62 => "Sanyo",
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0xe3 => "Array Microsystems",
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0x64 => "Crystal Semiconductor",
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0xe5 => "Analog Devices",
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0xe6 => "PMC-Sierra",
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0x67 => "Asparix",
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0x68 => "Convex Computer",
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0xe9 => "Quality Semiconductor",
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0xea => "Nimbus Technology",
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0x6b => "Transwitch",
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0xec => "Micronas (ITT Intermetall)",
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0x6d => "Cannon",
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0x6e => "Altera",
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0xef => "NEXCOM",
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0x70 => "QUALCOMM",
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0xf1 => "Sony",
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0xf2 => "Cray Research",
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0x73 => "AMS (Austria Micro)",
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0xf4 => "Vitesse",
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0x75 => "Aster Electronics",
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0x76 => "Bay Networks (Synoptic)",
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0xf7 => "Zentrum",
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0xf8 => "TRW",
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0x79 => "Thesys",
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0x7a => "Solbourne Computer",
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0xfb => "Allied-Signal",
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0x7c => "Dialog",
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0xfd => "Media Vision",
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0xfe => "Level One Communication",
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},
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{
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0x01 => "Cirrus Logic",
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0x02 => "National Instruments",
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0x83 => "ILC Data Device",
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0x04 => "Alcatel Mietec",
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0x85 => "Micro Linear",
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0x86 => "Univ. of NC",
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0x07 => "JTAG Technologies",
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0x08 => "Loral",
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0x89 => "Nchip",
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0x8A => "Galileo Tech",
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0x0B => "Bestlink Systems",
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0x8C => "Graychip",
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0x0D => "GENNUM",
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0x0E => "VideoLogic",
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0x8F => "Robert Bosch",
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0x10 => "Chip Express",
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0x91 => "DATARAM",
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0x92 => "United Microelec Corp.",
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0x13 => "TCSI",
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0x94 => "Smart Modular",
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0x15 => "Hughes Aircraft",
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0x16 => "Lanstar Semiconductor",
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0x97 => "Qlogic",
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0x98 => "Kingston",
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0x19 => "Music Semi",
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0x1A => "Ericsson Components",
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0x9B => "SpaSE",
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0x1C => "Eon Silicon Devices",
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0x9D => "Programmable Micro Corp",
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0x9E => "DoD",
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0x1F => "Integ. Memories Tech.",
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0x20 => "Corollary Inc.",
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0xA1 => "Dallas Semiconductor",
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0xA2 => "Omnivision",
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0x23 => "EIV(Switzerland)",
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0xA4 => "Novatel Wireless",
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0x25 => "Zarlink (formerly Mitel)",
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0x26 => "Clearpoint",
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0xA7 => "Cabletron",
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0xA8 => "Silicon Technology",
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0x29 => "Vanguard",
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0x2A => "Hagiwara Sys-Com",
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0xAB => "Vantis",
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0x2C => "Celestica",
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0xAD => "Century",
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0xAE => "Hal Computers",
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0x2F => "Rohm Company Ltd.",
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0xB0 => "Juniper Networks",
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0x31 => "Libit Signal Processing",
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0x32 => "Enhanced Memories Inc.",
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0xB3 => "Tundra Semiconductor",
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0x34 => "Adaptec Inc.",
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0xB5 => "LightSpeed Semi.",
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0xB6 => "ZSP Corp.",
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0x37 => "AMIC Technology",
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0x38 => "Adobe Systems",
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0xB9 => "Dynachip",
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0xBA => "PNY Electronics",
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0x3B => "Newport Digital",
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0xBC => "MMC Networks",
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0x3D => "T Square",
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0x3E => "Seiko Epson",
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0xBF => "Broadcom",
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0x40 => "Viking Components",
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0xC1 => "V3 Semiconductor",
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0xC2 => "Flextronics (formerly Orbit)",
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0x43 => "Suwa Electronics",
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0xC4 => "Transmeta",
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0x45 => "Micron CMS",
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0x46 => "American Computer & Digital Components Inc",
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0xC7 => "Enhance 3000 Inc",
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0xC8 => "Tower Semiconductor",
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0x49 => "CPU Design",
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0x4A => "Price Point",
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0xCB => "Maxim Integrated Product",
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0x4C => "Tellabs",
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0xCD => "Centaur Technology",
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0xCE => "Unigen Corporation",
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0x4F => "Transcend Information",
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0xD0 => "Memory Card Technology",
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0x51 => "CKD Corporation Ltd.",
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0x52 => "Capital Instruments, Inc.",
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0xD3 => "Aica Kogyo, Ltd.",
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0x54 => "Linvex Technology",
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0xD5 => "MSC Vertriebs GmbH",
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0xD6 => "AKM Company, Ltd.",
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0x57 => "Dynamem, Inc.",
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0x58 => "NERA ASA",
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0xD9 => "GSI Technology",
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0xDA => "Dane-Elec (C Memory)",
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0x5B => "Acorn Computers",
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0xDC => "Lara Technology",
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0x5D => "Oak Technology, Inc.",
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0x5E => "Itec Memory",
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0xDF => "Tanisys Technology",
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0xE0 => "Truevision",
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0x61 => "Wintec Industries",
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0x62 => "Super PC Memory",
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0xE3 => "MGV Memory",
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0x64 => "Galvantech",
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0xE5 => "Gadzoox Nteworks",
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0xE6 => "Multi Dimensional Cons.",
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0x67 => "GateField",
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0x68 => "Integrated Memory System",
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0xE9 => "Triscend",
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0xEA => "XaQti",
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0x6B => "Goldenram",
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0xEC => "Clear Logic",
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0x6D => "Cimaron Communications",
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0x6E => "Nippon Steel Semi. Corp.",
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0xEF => "Advantage Memory",
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0x70 => "AMCC",
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0xF1 => "LeCroy",
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0xF2 => "Yamaha Corporation",
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0x73 => "Digital Microwave",
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0xF4 => "NetLogic Microsystems",
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0x75 => "MIMOS Semiconductor",
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0x76 => "Advanced Fibre",
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0xF7 => "BF Goodrich Data.",
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0xF8 => "Epigram",
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0x79 => "Acbel Polytech Inc.",
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0x7A => "Apacer Technology",
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0xFB => "Admor Memory",
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0x7C => "FOXCONN",
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0xFD => "Quadratics Superconductor",
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0xFE => "3COM",
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},
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{
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0x01 => "Camintonn Corporation",
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0x02 => "ISOA Incorporated",
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0x83 => "Agate Semiconductor",
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0x04 => "ADMtek Incorporated",
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0x85 => "HYPERTEC",
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0x86 => "Adhoc Technologies",
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0x07 => "MOSAID Technologies",
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0x08 => "Ardent Technologies",
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0x89 => "Switchcore",
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0x8A => "Cisco Systems, Inc.",
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0x0B => "Allayer Technologies",
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0x8C => "WorkX AG",
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0x0D => "Oasis Semiconductor",
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0x0E => "Novanet Semiconductor",
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0x8F => "E-M Solutions",
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0x10 => "Power General",
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0x91 => "Advanced Hardware Arch.",
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0x92 => "Inova Semiconductors GmbH",
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0x13 => "Telocity",
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0x94 => "Delkin Devices",
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0x15 => "Symagery Microsystems",
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0x16 => "C-Port Corporation",
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0x97 => "SiberCore Technologies",
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0x98 => "Southland Microsystems",
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0x19 => "Malleable Technologies",
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0x1A => "Kendin Communications",
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0x9B => "Great Technology Microcomputer",
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0x1C => "Sanmina Corporation",
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0x9D => "HADCO Corporation",
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0x9E => "Corsair",
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0x1F => "Actrans System Inc.",
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0x20 => "ALPHA Technologies",
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0xA1 => "Cygnal Integrated Products Incorporated",
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0xA2 => "Artesyn Technologies",
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0x23 => "Align Manufacturing",
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0xA4 => "Peregrine Semiconductor",
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0x25 => "Chameleon Systems",
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0x26 => "Aplus Flash Technology",
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0xA7 => "MIPS Technologies",
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0xA8 => "Chrysalis ITS",
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0x29 => "ADTEC Corporation",
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0x2A => "Kentron Technologies",
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0xAB => "Win Technologies",
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0x2C => "ASIC Designs Inc",
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0xAD => "Extreme Packet Devices",
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0xAE => "RF Micro Devices",
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0x2F => "Siemens AG",
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0xB0 => "Sarnoff Corporation",
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0x31 => "Itautec Philco SA",
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0x32 => "Radiata Inc.",
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0xB3 => "Benchmark Elect. (AVEX)",
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0x34 => "Legend",
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0xB5 => "SpecTek Incorporated",
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0xB6 => "Hi/fn",
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0x37 => "Enikia Incorporated",
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0x38 => "SwitchOn Networks",
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0xB9 => "AANetcom Incorporated",
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0xBA => "Micro Memory Bank",
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0x3B => "ESS Technology",
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0xBC => "Virata Corporation",
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0x3D => "Excess Bandwidth",
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0x3E => "West Bay Semiconductor",
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0xBF => "DSP Group",
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0x40 => "Newport Communications",
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0xC1 => "Chip2Chip Incorporated",
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0xC2 => "Phobos Corporation",
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0x43 => "Intellitech Corporation",
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0xC4 => "Nordic VLSI ASA",
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0x45 => "Ishoni Networks",
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0x46 => "Silicon Spice",
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0xC7 => "Alchemy Semiconductor",
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0xC8 => "Agilent Technologies",
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0x49 => "Centillium Communications",
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0x4A => "W.L. Gore",
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0xCB => "HanBit Electronics",
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0x4C => "GlobeSpan",
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0xCD => "Element 14",
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0xCE => "Pycon",
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0x4F => "Saifun Semiconductors",
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0xD0 => "Sibyte, Incorporated",
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0x51 => "MetaLink Technologies",
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0x52 => "Feiya Technology",
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0xD3 => "I & C Technology",
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0x54 => "Shikatronics",
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0xD5 => "Elektrobit",
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0xD6 => "Megic",
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0x57 => "Com-Tier",
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0x58 => "Malaysia Micro Solutions",
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0xD9 => "Hyperchip",
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0xDA => "Gemstone Communications",
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0x5B => "Anadyne Microelectronics",
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0xDC => "3ParData",
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0x5D => "Mellanox Technologies",
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0x5E => "Tenx Technologies",
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0xDF => "Helix AG",
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0xE0 => "Domosys",
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0x61 => "Skyup Technology",
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0x62 => "HiNT Corporation",
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0xE3 => "Chiaro",
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0x64 => "MCI Computer GMBH",
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0xE5 => "Exbit Technology A/S",
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0xE6 => "Integrated Technology Express",
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0x67 => "AVED Memory",
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0x68 => "Legerity",
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0xE9 => "Jasmine Networks",
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0xEA => "Caspian Networks",
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0x6B => "nCUBE",
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0xEC => "Silicon Access Networks",
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0x6D => "FDK Corporation",
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0x6E => "High Bandwidth Access",
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0xEF => "MultiLink Technology",
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0x70 => "BRECIS",
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0xF1 => "World Wide Packets",
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0xF2 => "APW",
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0x73 => "Chicory Systems",
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0xF4 => "Xstream Logic",
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0x75 => "Fast-Chip",
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0x76 => "Zucotto Wireless",
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0xF7 => "Realchip",
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0xF8 => "Galaxy Power",
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0x79 => "eSilicon",
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0x7A => "Morphics Technology",
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0xFB => "Accelerant Networks",
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0x7C => "Silicon Wave",
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0xFD => "SandCraft",
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0xFE => "Elpida",
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},
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{
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0x01 => "Solectron",
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0x02 => "Optosys Technologies",
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0x83 => "Buffalo (Formerly Melco)",
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0x04 => "TriMedia Technologies",
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0x85 => "Cyan Technologies",
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0x86 => "Global Locate",
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0x07 => "Optillion",
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0x08 => "Terago Communications",
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0x89 => "Ikanos Communications",
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0x8A => "Princeton Technology",
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0x0B => "Nanya Technology",
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0x8C => "Elite Flash Storage",
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0x0D => "Mysticom",
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0x0E => "LightSand Communications",
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0x8F => "ATI Technologies",
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0x10 => "Agere Systems",
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0x91 => "NeoMagic",
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0x92 => "AuroraNetics",
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0x13 => "Golden Empire",
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0x94 => "Muskin",
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0x15 => "Tioga Technologies",
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0x16 => "Netlist",
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0x97 => "TeraLogic",
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0x98 => "Cicada Semiconductor",
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0x19 => "Centon Electronics",
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0x1A => "Tyco Electronics",
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0x9B => "Magis Works",
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0x1C => "Zettacom",
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0x9D => "Cogency Semiconductor",
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0x9E => "Chipcon AS",
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0x1F => "Aspex Technology",
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0x20 => "F5 Networks",
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0xA1 => "Programmable Silicon Solutions",
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0xA2 => "ChipWrights",
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0x23 => "Acorn Networks",
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0xA4 => "Quicklogic",
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0x25 => "Kingmax Semiconductor",
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0x26 => "BOPS",
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0xA7 => "Flasys",
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0xA8 => "BitBlitz Communications",
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0x29 => "eMemory Technology",
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0x2A => "Procket Networks",
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0xAB => "Purple Ray",
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0x2C => "Trebia Networks",
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0xAD => "Delta Electronics",
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0xAE => "Onex Communications",
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0x2F => "Ample Communications",
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0xB0 => "Memory Experts Intl",
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0x31 => "Astute Networks",
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0x32 => "Azanda Network Devices",
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0xB3 => "Dibcom",
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0x34 => "Tekmos",
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0xB5 => "API NetWorks",
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0xB6 => "Bay Microsystems",
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0x37 => "Firecron Ltd",
|
|
0x38 => "Resonext Communications",
|
|
0xB9 => "Tachys Technologies",
|
|
0xBA => "Equator Technology",
|
|
0x3B => "Concept Computer",
|
|
0xBC => "SILCOM",
|
|
0x3D => "3Dlabs",
|
|
0x3E => "ct Magazine",
|
|
0xBF => "Sanera Systems",
|
|
0x40 => "Silicon Packets",
|
|
0xC1 => "Viasystems Group",
|
|
0xC2 => "Simtek",
|
|
0x43 => "Semicon Devices Singapore",
|
|
0xC4 => "Satron Handelsges",
|
|
0x45 => "Improv Systems",
|
|
0x46 => "INDUSYS GmbH",
|
|
0xC7 => "Corrent",
|
|
0xC8 => "Infrant Technologies",
|
|
0x49 => "Ritek Corp",
|
|
0x4A => "empowerTel Networks",
|
|
0xCB => "Hypertec",
|
|
0x4C => "Cavium Networks",
|
|
0xCD => "PLX Technology",
|
|
0xCE => "Massana Design",
|
|
0x4F => "Intrinsity",
|
|
0xD0 => "Valence Semiconductor",
|
|
0x51 => "Terawave Communications",
|
|
0x52 => "IceFyre Semiconductor",
|
|
0xD3 => "Primarion",
|
|
0x54 => "Picochip Designs Ltd",
|
|
0xD5 => "Silverback Systems",
|
|
0xD6 => "Jade Star Technologies",
|
|
0x57 => "Pijnenburg Securealink",
|
|
0x58 => "MemorySolutioN",
|
|
0xD9 => "Cambridge Silicon Radio",
|
|
0xDA => "Swissbit",
|
|
0x5B => "Nazomi Communications",
|
|
0xDC => "eWave System",
|
|
0x5D => "Rockwell Collins",
|
|
0x5E => "PAION",
|
|
0xDF => "Alphamosaic Ltd",
|
|
0xE0 => "Sandburst",
|
|
0x61 => "SiCon Video",
|
|
0x62 => "NanoAmp Solutions",
|
|
0xE3 => "Ericsson Technology",
|
|
0x64 => "PrairieComm",
|
|
0xE5 => "Mitac International",
|
|
0xE6 => "Layer N Networks",
|
|
0x67 => "Atsana Semiconductor",
|
|
0x68 => "Allegro Networks",
|
|
0xE9 => "Marvell Semiconductors",
|
|
0xEA => "Netergy Microelectronic",
|
|
0x6B => "NVIDIA",
|
|
0xEC => "Internet Machines",
|
|
0x6D => "Peak Electronics",
|
|
0xEF => "Accton Technology",
|
|
0x70 => "Teradiant Networks",
|
|
0xF1 => "Europe Technologies",
|
|
0xF2 => "Cortina Systems",
|
|
0x73 => "RAM Components",
|
|
0xF4 => "Raqia Networks",
|
|
0x75 => "ClearSpeed",
|
|
0x76 => "Matsushita Battery",
|
|
0xF7 => "Xelerated",
|
|
0xF8 => "SimpleTech",
|
|
0x79 => "Utron Technology",
|
|
0x7A => "Astec International",
|
|
0xFB => "AVM gmbH",
|
|
0x7C => "Redux Communications",
|
|
0xFD => "Dot Hill Systems",
|
|
0xFE => "TeraChip",
|
|
},
|
|
{
|
|
0x01 => "T-RAM Incorporated",
|
|
0x02 => "Innovics Wireless",
|
|
0x83 => "Teknovus",
|
|
0x04 => "KeyEye Communications",
|
|
0x85 => "Runcom Technologies",
|
|
0x86 => "RedSwitch",
|
|
0x07 => "Dotcast",
|
|
0x08 => "Silicon Mountain Memory",
|
|
0x89 => "Signia Technologies",
|
|
0x8A => "Pixim",
|
|
0x0B => "Galazar Networks",
|
|
0x8C => "White Electronic Designs",
|
|
0x0D => "Patriot Scientific",
|
|
0x0E => "Neoaxiom Corporation",
|
|
0x8F => "3Y Power Technology",
|
|
0x10 => "Europe Technologies",
|
|
0x91 => "Potentia Power Systems",
|
|
0x92 => "C-guys Incorporated",
|
|
0x13 => "Digital Communications Technology Incorporated",
|
|
0x94 => "Silicon-Based Technology",
|
|
0x15 => "Fulcrum Microsystems",
|
|
0x16 => "Positivo Informatica Ltd",
|
|
0x97 => "XIOtech Corporation",
|
|
0x98 => "PortalPlayer",
|
|
0x19 => "Zhiying Software",
|
|
0x1A => "Direct2Data",
|
|
0x9B => "Phonex Broadband",
|
|
0x1C => "Skyworks Solutions",
|
|
0x9D => "Entropic Communications",
|
|
0x9E => "Pacific Force Technology",
|
|
0x1F => "Zensys A/S",
|
|
0x20 => "Legend Silicon Corp.",
|
|
0xA1 => "sci-worx GmbH",
|
|
0xA2 => "Oasis Silicon Systems",
|
|
0x23 => "Renesas Technology",
|
|
0xA4 => "Raza Microelectronics",
|
|
0x25 => "Phyworks",
|
|
0x26 => "MediaTek",
|
|
0xA7 => "Non-cents Productions",
|
|
0xA8 => "US Modular",
|
|
0x29 => "Wintegra Ltd",
|
|
0x2A => "Mathstar",
|
|
0xAB => "StarCore",
|
|
0x2C => "Oplus Technologies",
|
|
0xAD => "Mindspeed",
|
|
0xAE => "Just Young Computer",
|
|
0x2F => "Radia Communications",
|
|
0xB0 => "OCZ",
|
|
0x31 => "Emuzed",
|
|
0x32 => "LOGIC Devices",
|
|
0xB3 => "Inphi Corporation",
|
|
0x34 => "Quake Technologies",
|
|
0xB5 => "Vixel",
|
|
0xB6 => "SolusTek",
|
|
0x37 => "Kongsberg Maritime",
|
|
0x38 => "Faraday Technology",
|
|
0xB9 => "Altium Ltd.",
|
|
0xBA => "Insyte",
|
|
0x3B => "ARM Ltd.",
|
|
0xBC => "DigiVision",
|
|
0x3D => "Vativ Technologies",
|
|
0x3E => "Endicott Interconnect Technologies",
|
|
0xBF => "Pericom",
|
|
0x40 => "Bandspeed",
|
|
0xC1 => "LeWiz Communications",
|
|
0xC2 => "CPU Technology",
|
|
0x43 => "Ramaxel Technology",
|
|
0xC4 => "DSP Group",
|
|
0x45 => "Axis Communications",
|
|
0x46 => "Legacy Electronics",
|
|
0xC7 => "Chrontel",
|
|
0xC8 => "Powerchip Semiconductor",
|
|
0x49 => "MobilEye Technologies",
|
|
0x4A => "Excel Semiconductor",
|
|
0xCB => "A-DATA Technology",
|
|
0x4C => "VirtualDigm",
|
|
}
|
|
];
|
|
my $arr_index = shift;
|
|
$arr_index = $arr_index & 0x7f;
|
|
my $code = shift;
|
|
unless ($code) {
|
|
return "Malformed SPD";
|
|
}
|
|
if (defined $jedec_ids->[$arr_index]->{$code}) {
|
|
return $jedec_ids->[$arr_index]->{$code};
|
|
} else {
|
|
return "Unrecognized manufacturer: $arr_index, $code";
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sub decode_spd {
|
|
my %memtypes = (
|
|
1 => "STD FPM DRAM",
|
|
2 => "EDO",
|
|
3 => "Pipelined Nibble",
|
|
4 => "SDRAM",
|
|
5 => "ROM",
|
|
6 => "DDR SGRAM",
|
|
7 => "DDR SDRAM",
|
|
8 => "DDR2 SDRAM",
|
|
9 => "DDR2 SDRAM FB-DIMM",
|
|
10 => "DDR2 SDRAM FB-DIMM PROBE",
|
|
11 => "DDR3 SDRAM"
|
|
);
|
|
|
|
my %modtypes = (
|
|
1 => "RDIMM",
|
|
2 => "UDIMM",
|
|
3 => "SODIMM",
|
|
4 => "Micro-DIMM",
|
|
5 => "Mini-RDIMM",
|
|
6 => "Mini-UDIMM",
|
|
);
|
|
|
|
my %speedfromclock = (
|
|
800 => 6400,
|
|
1066 => 8500,
|
|
1333 => 10600,
|
|
1600 => 12800,
|
|
1867 => 14900,
|
|
2133 => 17000,
|
|
2134 => 17000,
|
|
);
|
|
|
|
my %ddr3modcap = (
|
|
0 => 256,
|
|
1 => 512,
|
|
2 => 1024,
|
|
3 => 2048,
|
|
4 => 4096,
|
|
5 => 8192,
|
|
6 => 16384
|
|
);
|
|
|
|
my %ddr3devwidth = (
|
|
0 => 4,
|
|
1 => 8,
|
|
2 => 16,
|
|
3 => 32
|
|
);
|
|
my %ddr3ranks = (
|
|
0 => 1,
|
|
1 => 2,
|
|
2 => 3,
|
|
3 => 4
|
|
);
|
|
my %ddr3buswidth = (
|
|
0 => 8,
|
|
1 => 16,
|
|
2 => 32,
|
|
3 => 64
|
|
);
|
|
|
|
my @spd = @_;
|
|
my $rethash;
|
|
#print Dumper(@spd);
|
|
if (($spd[0] & 0xf) > 3) { #TODO: Remove workaround for buggy SPD
|
|
$rethash->{product}->{extra}=[{value=>'Malformed SPD (missing leading byte)',encoding=>3}];
|
|
unshift @spd,3;
|
|
}
|
|
$rethash->{product}->{name}=$memtypes{$spd[2]};
|
|
if ($spd[2] == 11) { #DDR3 spec applies
|
|
my $ftbdividend = $spd[9] >> 4;
|
|
my $ftbdivisor = $spd[9] & 0xf;
|
|
my $ftb = $ftbdividend/$ftbdivisor;
|
|
my $fineoffset = $spd[34];
|
|
if ($fineoffset & 0b10000000) {
|
|
#negative value, twos complement
|
|
$fineoffset = 0-(($fineoffset ^ 0xff) + 1);
|
|
}
|
|
$fineoffset = ($ftb * $fineoffset) * 10**-3;
|
|
my $mtb = $spd[10]/$spd[11];
|
|
my $clock = int(2/(($mtb*$spd[12]+$fineoffset)*10**-3));
|
|
my $speed = $speedfromclock{$clock};
|
|
unless ($speed) { $speed = "UNKNOWN"; }
|
|
$rethash->{product}->{name}="PC3-".$speed." ($clock MT/s)";
|
|
if ($spd[8]&0b11000) {
|
|
$rethash->{product}->{name} .= " ECC";
|
|
}
|
|
$rethash->{product}->{name}.=" ".$modtypes{$spd[3]&0x0f};
|
|
my $sdramcap=$ddr3modcap{$spd[4]&0xf};
|
|
my $buswidth=$ddr3buswidth{$spd[8]&0b111};
|
|
my $sdramwidth=$ddr3devwidth{$spd[7]&0b111};
|
|
my $ranks = $ddr3ranks{($spd[7]&0b111000)>>3};
|
|
|
|
|
|
my $capacity = $sdramcap/8*$buswidth/$sdramwidth*$ranks;
|
|
if ($capacity < 1024) {
|
|
$capacity = $capacity."MB";
|
|
} else {
|
|
$capacity = ($capacity/1024)."GB";
|
|
}
|
|
$rethash->{product}->{name} = $capacity." ".$rethash->{product}->{name};
|
|
|
|
$rethash->{product}->{manufacturer} = decode_manufacturer($spd[117],$spd[118]);
|
|
$rethash->{product}->{buildlocation} = sprintf("%02x",$spd[119]);
|
|
if ($spd[120] != 0 or $spd[121] != 0) {
|
|
$rethash->{product}->{builddate} = sprintf("Week %x of 20%02x",$spd[121],$spd[120]);
|
|
}
|
|
foreach (@spd[128..145]) {
|
|
if ($_ & 0b10000000) {
|
|
$rethash->{product}->{model}="Malformed SPD";
|
|
}
|
|
}
|
|
unless ($rethash->{product}->{model}) {
|
|
$rethash->{product}->{model}=pack("C*",@spd[128..145]);
|
|
}
|
|
if ($spd[0] & 0b10000000) { #crc is to exclude 117-125, crc 0 to 116
|
|
unless (do_crc16(@spd[0..116]) == ($spd[126]+($spd[127]<<8))) {
|
|
push @{$rethash->{product}->{extra}},"SPD CRC Invalid!";
|
|
}
|
|
} else { #crc for 0 to 125
|
|
unless (do_crc16(@spd[0..125]) == ($spd[126]+($spd[127]<<8))) {
|
|
push @{$rethash->{product}->{extra}},"CRC Invalid!";
|
|
}
|
|
}
|
|
#my $rawspd="SPD Dump: ";
|
|
#foreach (@spd) {
|
|
# $rawspd .= sprintf("%02X ",$_);
|
|
#}
|
|
#push @{$rethash->{product}->{extra}},$rawspd;
|
|
} else {
|
|
$rethash->{product}->{model}="Unrecognized SPD";
|
|
}
|
|
return $rethash;
|
|
}
|
|
|
|
1;
|