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Diffstat (limited to 'modules/devices/spd-decode.c')
-rw-r--r-- | modules/devices/spd-decode.c | 1890 |
1 files changed, 0 insertions, 1890 deletions
diff --git a/modules/devices/spd-decode.c b/modules/devices/spd-decode.c deleted file mode 100644 index 887ec749..00000000 --- a/modules/devices/spd-decode.c +++ /dev/null @@ -1,1890 +0,0 @@ -/* - * spd-decode.c - * Copyright (c) 2010 Leandro A. F. Pereira - * modified by Ondrej Čerman - * - * Based on decode-dimms.pl - * Copyright 1998, 1999 Philip Edelbrock <phil@netroedge.com> - * modified by Christian Zuckschwerdt <zany@triq.net> - * modified by Burkart Lingner <burkart@bollchen.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <ctype.h> -#include <math.h> -#include <stdio.h> -#include <sys/stat.h> - -#include "devices.h" -#include "hardinfo.h" - -typedef enum { - UNKNOWN, - DIRECT_RAMBUS, - RAMBUS, - FPM_DRAM, - EDO, - PIPELINED_NIBBLE, - SDR_SDRAM, - MULTIPLEXED_ROM, - DDR_SGRAM, - DDR_SDRAM, - DDR2_SDRAM, - DDR3_SDRAM, - DDR4_SDRAM -} RamType; - -char *spd_info = NULL; - -static const char *ram_types[] = {"Unknown", "Direct Rambus", "Rambus", "FPM DRAM", - "EDO", "Pipelined Nibble", "SDR SDRAM", "Multiplexed ROM", - "DDR SGRAM", "DDR SDRAM", "DDR2 SDRAM", "DDR3 SDRAM", - "DDR4 SDRAM"}; - -static const char *vendors1[] = {"AMD", - "AMI", - "Fairchild", - "Fujitsu", - "GTE", - "Harris", - "Hitachi", - "Inmos", - "Intel", - "I.T.T.", - "Intersil", - "Monolithic Memories", - "Mostek", - "Freescale (former Motorola)", - "National", - "NEC", - "RCA", - "Raytheon", - "Conexant (Rockwell)", - "Seeq", - "NXP (former Signetics, Philips Semi.)", - "Synertek", - "Texas Instruments", - "Toshiba", - "Xicor", - "Zilog", - "Eurotechnique", - "Mitsubishi", - "Lucent (AT&T)", - "Exel", - "Atmel", - "SGS/Thomson", - "Lattice Semi.", - "NCR", - "Wafer Scale Integration", - "IBM", - "Tristar", - "Visic", - "Intl. CMOS Technology", - "SSSI", - "MicrochipTechnology", - "Ricoh Ltd.", - "VLSI", - "Micron Technology", - "Hyundai Electronics", - "OKI Semiconductor", - "ACTEL", - "Sharp", - "Catalyst", - "Panasonic", - "IDT", - "Cypress", - "DEC", - "LSI Logic", - "Zarlink (former Plessey)", - "UTMC", - "Thinking Machine", - "Thomson CSF", - "Integrated CMOS (Vertex)", - "Honeywell", - "Tektronix", - "Sun Microsystems", - "SST", - "ProMos/Mosel Vitelic", - "Infineon (former Siemens)", - "Macronix", - "Xerox", - "Plus Logic", - "SunDisk", - "Elan Circuit Tech.", - "European Silicon Str.", - "Apple Computer", - "Xilinx", - "Compaq", - "Protocol Engines", - "SCI", - "Seiko Instruments", - "Samsung", - "I3 Design System", - "Klic", - "Crosspoint Solutions", - "Alliance Semiconductor", - "Tandem", - "Hewlett-Packard", - "Intg. Silicon Solutions", - "Brooktree", - "New Media", - "MHS Electronic", - "Performance Semi.", - "Winbond Electronic", - "Kawasaki Steel", - "Bright Micro", - "TECMAR", - "Exar", - "PCMCIA", - "LG Semi (former Goldstar)", - "Northern Telecom", - "Sanyo", - "Array Microsystems", - "Crystal Semiconductor", - "Analog Devices", - "PMC-Sierra", - "Asparix", - "Convex Computer", - "Quality Semiconductor", - "Nimbus Technology", - "Transwitch", - "Micronas (ITT Intermetall)", - "Cannon", - "Altera", - "NEXCOM", - "QUALCOMM", - "Sony", - "Cray Research", - "AMS(Austria Micro)", - "Vitesse", - "Aster Electronics", - "Bay Networks (Synoptic)", - "Zentrum or ZMD", - "TRW", - "Thesys", - "Solbourne Computer", - "Allied-Signal", - "Dialog", - "Media Vision", - "Level One Communication"}; - -static const char *vendors2[] = { - "Cirrus Logic", - "National Instruments", - "ILC Data Device", - "Alcatel Mietec", - "Micro Linear", - "Univ. of NC", - "JTAG Technologies", - "BAE Systems", - "Nchip", - "Galileo Tech", - "Bestlink Systems", - "Graychip", - "GENNUM", - "VideoLogic", - "Robert Bosch", - "Chip Express", - "DATARAM", - "United Microelec Corp.", - "TCSI", - "Smart Modular", - "Hughes Aircraft", - "Lanstar Semiconductor", - "Qlogic", - "Kingston", - "Music Semi", - "Ericsson Components", - "SpaSE", - "Eon Silicon Devices", - "Programmable Micro Corp", - "DoD", - "Integ. Memories Tech.", - "Corollary Inc.", - "Dallas Semiconductor", - "Omnivision", - "EIV(Switzerland)", - "Novatel Wireless", - "Zarlink (former Mitel)", - "Clearpoint", - "Cabletron", - "STEC (former Silicon Technology)", - "Vanguard", - "Hagiwara Sys-Com", - "Vantis", - "Celestica", - "Century", - "Hal Computers", - "Rohm Company Ltd.", - "Juniper Networks", - "Libit Signal Processing", - "Mushkin Enhanced Memory", - "Tundra Semiconductor", - "Adaptec Inc.", - "LightSpeed Semi.", - "ZSP Corp.", - "AMIC Technology", - "Adobe Systems", - "Dynachip", - "PNY Electronics", - "Newport Digital", - "MMC Networks", - "T Square", - "Seiko Epson", - "Broadcom", - "Viking Components", - "V3 Semiconductor", - "Flextronics (former Orbit)", - "Suwa Electronics", - "Transmeta", - "Micron CMS", - "American Computer & Digital Components Inc", - "Enhance 3000 Inc", - "Tower Semiconductor", - "CPU Design", - "Price Point", - "Maxim Integrated Product", - "Tellabs", - "Centaur Technology", - "Unigen Corporation", - "Transcend Information", - "Memory Card Technology", - "CKD Corporation Ltd.", - "Capital Instruments, Inc.", - "Aica Kogyo, Ltd.", - "Linvex Technology", - "MSC Vertriebs GmbH", - "AKM Company, Ltd.", - "Dynamem, Inc.", - "NERA ASA", - "GSI Technology", - "Dane-Elec (C Memory)", - "Acorn Computers", - "Lara Technology", - "Oak Technology, Inc.", - "Itec Memory", - "Tanisys Technology", - "Truevision", - "Wintec Industries", - "Super PC Memory", - "MGV Memory", - "Galvantech", - "Gadzoox Nteworks", - "Multi Dimensional Cons.", - "GateField", - "Integrated Memory System", - "Triscend", - "XaQti", - "Goldenram", - "Clear Logic", - "Cimaron Communications", - "Nippon Steel Semi. Corp.", - "Advantage Memory", - "AMCC", - "LeCroy", - "Yamaha Corporation", - "Digital Microwave", - "NetLogic Microsystems", - "MIMOS Semiconductor", - "Advanced Fibre", - "BF Goodrich Data.", - "Epigram", - "Acbel Polytech Inc.", - "Apacer Technology", - "Admor Memory", - "FOXCONN", - "Quadratics Superconductor", - "3COM", -}; - -static const char *vendors3[] = {"Camintonn Corporation", - "ISOA Incorporated", - "Agate Semiconductor", - "ADMtek Incorporated", - "HYPERTEC", - "Adhoc Technologies", - "MOSAID Technologies", - "Ardent Technologies", - "Switchcore", - "Cisco Systems, Inc.", - "Allayer Technologies", - "WorkX AG", - "Oasis Semiconductor", - "Novanet Semiconductor", - "E-M Solutions", - "Power General", - "Advanced Hardware Arch.", - "Inova Semiconductors GmbH", - "Telocity", - "Delkin Devices", - "Symagery Microsystems", - "C-Port Corporation", - "SiberCore Technologies", - "Southland Microsystems", - "Malleable Technologies", - "Kendin Communications", - "Great Technology Microcomputer", - "Sanmina Corporation", - "HADCO Corporation", - "Corsair", - "Actrans System Inc.", - "ALPHA Technologies", - "Silicon Laboratories, Inc. (Cygnal)", - "Artesyn Technologies", - "Align Manufacturing", - "Peregrine Semiconductor", - "Chameleon Systems", - "Aplus Flash Technology", - "MIPS Technologies", - "Chrysalis ITS", - "ADTEC Corporation", - "Kentron Technologies", - "Win Technologies", - "Tachyon Semiconductor (former ASIC Designs Inc.)", - "Extreme Packet Devices", - "RF Micro Devices", - "Siemens AG", - "Sarnoff Corporation", - "Itautec Philco SA", - "Radiata Inc.", - "Benchmark Elect. (AVEX)", - "Legend", - "SpecTek Incorporated", - "Hi/fn", - "Enikia Incorporated", - "SwitchOn Networks", - "AANetcom Incorporated", - "Micro Memory Bank", - "ESS Technology", - "Virata Corporation", - "Excess Bandwidth", - "West Bay Semiconductor", - "DSP Group", - "Newport Communications", - "Chip2Chip Incorporated", - "Phobos Corporation", - "Intellitech Corporation", - "Nordic VLSI ASA", - "Ishoni Networks", - "Silicon Spice", - "Alchemy Semiconductor", - "Agilent Technologies", - "Centillium Communications", - "W.L. Gore", - "HanBit Electronics", - "GlobeSpan", - "Element 14", - "Pycon", - "Saifun Semiconductors", - "Sibyte, Incorporated", - "MetaLink Technologies", - "Feiya Technology", - "I & C Technology", - "Shikatronics", - "Elektrobit", - "Megic", - "Com-Tier", - "Malaysia Micro Solutions", - "Hyperchip", - "Gemstone Communications", - "Anadigm (former Anadyne)", - "3ParData", - "Mellanox Technologies", - "Tenx Technologies", - "Helix AG", - "Domosys", - "Skyup Technology", - "HiNT Corporation", - "Chiaro", - "MDT Technologies GmbH (former MCI Computer GMBH)", - "Exbit Technology A/S", - "Integrated Technology Express", - "AVED Memory", - "Legerity", - "Jasmine Networks", - "Caspian Networks", - "nCUBE", - "Silicon Access Networks", - "FDK Corporation", - "High Bandwidth Access", - "MultiLink Technology", - "BRECIS", - "World Wide Packets", - "APW", - "Chicory Systems", - "Xstream Logic", - "Fast-Chip", - "Zucotto Wireless", - "Realchip", - "Galaxy Power", - "eSilicon", - "Morphics Technology", - "Accelerant Networks", - "Silicon Wave", - "SandCraft", - "Elpida"}; - -static const char *vendors4[] = {"Solectron", - "Optosys Technologies", - "Buffalo (former Melco)", - "TriMedia Technologies", - "Cyan Technologies", - "Global Locate", - "Optillion", - "Terago Communications", - "Ikanos Communications", - "Princeton Technology", - "Nanya Technology", - "Elite Flash Storage", - "Mysticom", - "LightSand Communications", - "ATI Technologies", - "Agere Systems", - "NeoMagic", - "AuroraNetics", - "Golden Empire", - "Mushkin", - "Tioga Technologies", - "Netlist", - "TeraLogic", - "Cicada Semiconductor", - "Centon Electronics", - "Tyco Electronics", - "Magis Works", - "Zettacom", - "Cogency Semiconductor", - "Chipcon AS", - "Aspex Technology", - "F5 Networks", - "Programmable Silicon Solutions", - "ChipWrights", - "Acorn Networks", - "Quicklogic", - "Kingmax Semiconductor", - "BOPS", - "Flasys", - "BitBlitz Communications", - "eMemory Technology", - "Procket Networks", - "Purple Ray", - "Trebia Networks", - "Delta Electronics", - "Onex Communications", - "Ample Communications", - "Memory Experts Intl", - "Astute Networks", - "Azanda Network Devices", - "Dibcom", - "Tekmos", - "API NetWorks", - "Bay Microsystems", - "Firecron Ltd", - "Resonext Communications", - "Tachys Technologies", - "Equator Technology", - "Concept Computer", - "SILCOM", - "3Dlabs", - "c't Magazine", - "Sanera Systems", - "Silicon Packets", - "Viasystems Group", - "Simtek", - "Semicon Devices Singapore", - "Satron Handelsges", - "Improv Systems", - "INDUSYS GmbH", - "Corrent", - "Infrant Technologies", - "Ritek Corp", - "empowerTel Networks", - "Hypertec", - "Cavium Networks", - "PLX Technology", - "Massana Design", - "Intrinsity", - "Valence Semiconductor", - "Terawave Communications", - "IceFyre Semiconductor", - "Primarion", - "Picochip Designs Ltd", - "Silverback Systems", - "Jade Star Technologies", - "Pijnenburg Securealink", - "TakeMS International AG", - "Cambridge Silicon Radio", - "Swissbit", - "Nazomi Communications", - "eWave System", - "Rockwell Collins", - "Picocel Co., Ltd.", - "Alphamosaic Ltd", - "Sandburst", - "SiCon Video", - "NanoAmp Solutions", - "Ericsson Technology", - "PrairieComm", - "Mitac International", - "Layer N Networks", - "MtekVision", - "Allegro Networks", - "Marvell Semiconductors", - "Netergy Microelectronic", - "NVIDIA", - "Internet Machines", - "Peak Electronics", - "Litchfield Communication", - "Accton Technology", - "Teradiant Networks", - "Europe Technologies", - "Cortina Systems", - "RAM Components", - "Raqia Networks", - "ClearSpeed", - "Matsushita Battery", - "Xelerated", - "SimpleTech", - "Utron Technology", - "Astec International", - "AVM gmbH", - "Redux Communications", - "Dot Hill Systems", - "TeraChip"}; - -static const char *vendors5[] = {"T-RAM Incorporated", - "Innovics Wireless", - "Teknovus", - "KeyEye Communications", - "Runcom Technologies", - "RedSwitch", - "Dotcast", - "Silicon Mountain Memory", - "Signia Technologies", - "Pixim", - "Galazar Networks", - "White Electronic Designs", - "Patriot Scientific", - "Neoaxiom Corporation", - "3Y Power Technology", - "Europe Technologies", - "Potentia Power Systems", - "C-guys Incorporated", - "Digital Communications Technology Incorporated", - "Silicon-Based Technology", - "Fulcrum Microsystems", - "Positivo Informatica Ltd", - "XIOtech Corporation", - "PortalPlayer", - "Zhiying Software", - "Direct2Data", - "Phonex Broadband", - "Skyworks Solutions", - "Entropic Communications", - "Pacific Force Technology", - "Zensys A/S", - "Legend Silicon Corp.", - "sci-worx GmbH", - "SMSC (former Oasis Silicon Systems)", - "Renesas Technology", - "Raza Microelectronics", - "Phyworks", - "MediaTek", - "Non-cents Productions", - "US Modular", - "Wintegra Ltd", - "Mathstar", - "StarCore", - "Oplus Technologies", - "Mindspeed", - "Just Young Computer", - "Radia Communications", - "OCZ", - "Emuzed", - "LOGIC Devices", - "Inphi Corporation", - "Quake Technologies", - "Vixel", - "SolusTek", - "Kongsberg Maritime", - "Faraday Technology", - "Altium Ltd.", - "Insyte", - "ARM Ltd.", - "DigiVision", - "Vativ Technologies", - "Endicott Interconnect Technologies", - "Pericom", - "Bandspeed", - "LeWiz Communications", - "CPU Technology", - "Ramaxel Technology", - "DSP Group", - "Axis Communications", - "Legacy Electronics", - "Chrontel", - "Powerchip Semiconductor", - "MobilEye Technologies", - "Excel Semiconductor", - "A-DATA Technology", - "VirtualDigm", - "G Skill Intl", - "Quanta Computer", - "Yield Microelectronics", - "Afa Technologies", - "KINGBOX Technology Co. Ltd.", - "Ceva", - "iStor Networks", - "Advance Modules", - "Microsoft", - "Open-Silicon", - "Goal Semiconductor", - "ARC International", - "Simmtec", - "Metanoia", - "Key Stream", - "Lowrance Electronics", - "Adimos", - "SiGe Semiconductor", - "Fodus Communications", - "Credence Systems Corp.", - "Genesis Microchip Inc.", - "Vihana, Inc.", - "WIS Technologies", - "GateChange Technologies", - "High Density Devices AS", - "Synopsys", - "Gigaram", - "Enigma Semiconductor Inc.", - "Century Micro Inc.", - "Icera Semiconductor", - "Mediaworks Integrated Systems", - "O'Neil Product Development", - "Supreme Top Technology Ltd.", - "MicroDisplay Corporation", - "Team Group Inc.", - "Sinett Corporation", - "Toshiba Corporation", - "Tensilica", - "SiRF Technology", - "Bacoc Inc.", - "SMaL Camera Technologies", - "Thomson SC", - "Airgo Networks", - "Wisair Ltd.", - "SigmaTel", - "Arkados", - "Compete IT gmbH Co. KG", - "Eudar Technology Inc.", - "Focus Enhancements", - "Xyratex"}; - -static const char *vendors6[] = {"Specular Networks", - "Patriot Memory", - "U-Chip Technology Corp.", - "Silicon Optix", - "Greenfield Networks", - "CompuRAM GmbH", - "Stargen, Inc.", - "NetCell Corporation", - "Excalibrus Technologies Ltd", - "SCM Microsystems", - "Xsigo Systems, Inc.", - "CHIPS & Systems Inc", - "Tier 1 Multichip Solutions", - "CWRL Labs", - "Teradici", - "Gigaram, Inc.", - "g2 Microsystems", - "PowerFlash Semiconductor", - "P.A. Semi, Inc.", - "NovaTech Solutions, S.A.", - "c2 Microsystems, Inc.", - "Level5 Networks", - "COS Memory AG", - "Innovasic Semiconductor", - "02IC Co. Ltd", - "Tabula, Inc.", - "Crucial Technology", - "Chelsio Communications", - "Solarflare Communications", - "Xambala Inc.", - "EADS Astrium", - "ATO Semicon Co. Ltd.", - "Imaging Works, Inc.", - "Astute Networks, Inc.", - "Tzero", - "Emulex", - "Power-One", - "Pulse~LINK Inc.", - "Hon Hai Precision Industry", - "White Rock Networks Inc.", - "Telegent Systems USA, Inc.", - "Atrua Technologies, Inc.", - "Acbel Polytech Inc.", - "eRide Inc.", - "ULi Electronics Inc.", - "Magnum Semiconductor Inc.", - "neoOne Technology, Inc.", - "Connex Technology, Inc.", - "Stream Processors, Inc.", - "Focus Enhancements", - "Telecis Wireless, Inc.", - "uNav Microelectronics", - "Tarari, Inc.", - "Ambric, Inc.", - "Newport Media, Inc.", - "VMTS", - "Enuclia Semiconductor, Inc.", - "Virtium Technology Inc.", - "Solid State System Co., Ltd.", - "Kian Tech LLC", - "Artimi", - "Power Quotient International", - "Avago Technologies", - "ADTechnology", - "Sigma Designs", - "SiCortex, Inc.", - "Ventura Technology Group", - "eASIC", - "M.H.S. SAS", - "Micro Star International", - "Rapport Inc.", - "Makway International", - "Broad Reach Engineering Co.", - "Semiconductor Mfg Intl Corp", - "SiConnect", - "FCI USA Inc.", - "Validity Sensors", - "Coney Technology Co. Ltd.", - "Spans Logic", - "Neterion Inc.", - "Qimonda", - "New Japan Radio Co. Ltd.", - "Velogix", - "Montalvo Systems", - "iVivity Inc.", - "Walton Chaintech", - "AENEON", - "Lorom Industrial Co. Ltd.", - "Radiospire Networks", - "Sensio Technologies, Inc.", - "Nethra Imaging", - "Hexon Technology Pte Ltd", - "CompuStocx (CSX)", - "Methode Electronics, Inc.", - "Connect One Ltd.", - "Opulan Technologies", - "Septentrio NV", - "Goldenmars Technology Inc.", - "Kreton Corporation", - "Cochlear Ltd.", - "Altair Semiconductor", - "NetEffect, Inc.", - "Spansion, Inc.", - "Taiwan Semiconductor Mfg", - "Emphany Systems Inc.", - "ApaceWave Technologies", - "Mobilygen Corporation", - "Tego", - "Cswitch Corporation", - "Haier (Beijing) IC Design Co.", - "MetaRAM", - "Axel Electronics Co. Ltd.", - "Tilera Corporation", - "Aquantia", - "Vivace Semiconductor", - "Redpine Signals", - "Octalica", - "InterDigital Communications", - "Avant Technology", - "Asrock, Inc.", - "Availink", - "Quartics, Inc.", - "Element CXI", - "Innovaciones Microelectronicas", - "VeriSilicon Microelectronics", - "W5 Networks"}; - -static const char *vendors7[] = {"MOVEKING", - "Mavrix Technology, Inc.", - "CellGuide Ltd.", - "Faraday Technology", - "Diablo Technologies, Inc.", - "Jennic", - "Octasic", - "Molex Incorporated", - "3Leaf Networks", - "Bright Micron Technology", - "Netxen", - "NextWave Broadband Inc.", - "DisplayLink", - "ZMOS Technology", - "Tec-Hill", - "Multigig, Inc.", - "Amimon", - "Euphonic Technologies, Inc.", - "BRN Phoenix", - "InSilica", - "Ember Corporation", - "Avexir Technologies Corporation", - "Echelon Corporation", - "Edgewater Computer Systems", - "XMOS Semiconductor Ltd.", - "GENUSION, Inc.", - "Memory Corp NV", - "SiliconBlue Technologies", - "Rambus Inc."}; - -#define VENDORS_BANKS 7 -#define VENDORS_LAST_BANK_SIZE sizeof(vendors7) / sizeof(char *) - -static const char **vendors[VENDORS_BANKS] = {vendors1, vendors2, vendors3, vendors4, - vendors5, vendors6, vendors7}; - -gboolean no_driver = FALSE; -gboolean no_support = FALSE; -gboolean ddr4_partial_data = FALSE; - -/* - * We consider that no data was written to this area of the SPD EEPROM if - * all bytes read 0x00 or all bytes read 0xff - */ -static int spd_written(unsigned char *bytes, int len) { - do { - if (*bytes == 0x00 || *bytes == 0xFF) return 1; - } while (--len && bytes++); - - return 0; -} - -static int parity(int value) { - value ^= value >> 16; - value ^= value >> 8; - value ^= value >> 4; - value &= 0xf; - - return (0x6996 >> value) & 1; -} - -static void decode_sdr_module_size(unsigned char *bytes, int *size) { - int i, k = 0; - - i = (bytes[3] & 0x0f) + (bytes[4] & 0x0f) - 17; - if (bytes[5] <= 8 && bytes[17] <= 8) { k = bytes[5] * bytes[17]; } - - if (i > 0 && i <= 12 && k > 0) { - if (size) { *size = (1 << i) * k; } - } else { - if (size) { *size = -1; } - } -} - -static void decode_sdr_module_timings(unsigned char *bytes, float *tcl, float *trcd, float *trp, - float *tras) { - float cas[3], ctime; - int i, j; - - for (i = 0, j = 0; j < 7; j++) { - if (bytes[18] & 1 << j) { cas[i++] = j + 1; } - } - - ctime = (bytes[9] >> 4 + bytes[9] & 0xf) * 0.1; - - if (trcd) { *trcd = ceil(bytes[29] / ctime); } - if (trp) { *trp = ceil(bytes[27] / ctime); } - if (tras) { *tras = ceil(bytes[30] / ctime); } - if (tcl) { *tcl = cas[i]; } -} - -static void decode_sdr_module_row_address_bits(unsigned char *bytes, char **bits) { - char *temp; - - switch (bytes[3]) { - case 0: temp = "Undefined"; break; - case 1: temp = "1/16"; break; - case 2: temp = "2/27"; break; - case 3: temp = "3/18"; break; - default: - /* printf("%d\n", bytes[3]); */ - temp = "Unknown"; - } - - if (bits) { *bits = temp; } -} - -static void decode_sdr_module_col_address_bits(unsigned char *bytes, char **bits) { - char *temp; - - switch (bytes[4]) { - case 0: temp = "Undefined"; break; - case 1: temp = "1/16"; break; - case 2: temp = "2/17"; break; - case 3: temp = "3/18"; break; - default: - /*printf("%d\n", bytes[4]); */ - temp = "Unknown"; - } - - if (bits) { *bits = temp; } -} - -static void decode_sdr_module_number_of_rows(unsigned char *bytes, int *rows) { - if (rows) { *rows = bytes[5]; } -} - -static void decode_sdr_module_data_with(unsigned char *bytes, int *width) { - if (width) { - if (bytes[7] > 1) { - *width = 0; - } else { - *width = (bytes[7] * 0xff) + bytes[6]; - } - } -} - -static void decode_sdr_module_interface_signal_levels(unsigned char *bytes, char **signal_levels) { - char *temp; - - switch (bytes[8]) { - case 0: temp = "5.0 Volt/TTL"; break; - case 1: temp = "LVTTL"; break; - case 2: temp = "HSTL 1.5"; break; - case 3: temp = "SSTL 3.3"; break; - case 4: temp = "SSTL 2.5"; break; - case 255: temp = "New Table"; break; - default: temp = "Undefined"; - } - - if (signal_levels) { *signal_levels = temp; } -} - -static void decode_sdr_module_configuration_type(unsigned char *bytes, char **module_config_type) { - char *temp; - - switch (bytes[11]) { - case 0: temp = "No parity"; break; - case 1: temp = "Parity"; break; - case 2: temp = "ECC"; break; - default: temp = "Undefined"; - } - - if (module_config_type) { *module_config_type = temp; } -} - -static void decode_sdr_module_refresh_type(unsigned char *bytes, char **refresh_type) { - char *temp; - - if (bytes[12] & 0x80) { - temp = "Self refreshing"; - } else { - temp = "Not self refreshing"; - } - - if (refresh_type) { *refresh_type = temp; } -} - -static void decode_sdr_module_refresh_rate(unsigned char *bytes, char **refresh_rate) { - char *temp; - - switch (bytes[12] & 0x7f) { - case 0: temp = "Normal (15.625us)"; break; - case 1: temp = "Reduced (3.9us)"; break; - case 2: temp = "Reduced (7.8us)"; break; - case 3: temp = "Extended (31.3us)"; break; - case 4: temp = "Extended (62.5us)"; break; - case 5: temp = "Extended (125us)"; break; - default: temp = "Undefined"; - } - - if (refresh_rate) { *refresh_rate = temp; } -} - -static gchar *decode_sdr_sdram(unsigned char *bytes, int *size) { - int rows, data_width; - float tcl, trcd, trp, tras; - char *row_address_bits, *col_address_bits, *signal_level; - char *module_config_type, *refresh_type, *refresh_rate; - - decode_sdr_module_size(bytes, size); - decode_sdr_module_timings(bytes, &tcl, &trcd, &trp, &tras); - decode_sdr_module_row_address_bits(bytes, &row_address_bits); - decode_sdr_module_col_address_bits(bytes, &col_address_bits); - decode_sdr_module_number_of_rows(bytes, &rows); - decode_sdr_module_data_with(bytes, &data_width); - decode_sdr_module_interface_signal_levels(bytes, &signal_level); - decode_sdr_module_configuration_type(bytes, &module_config_type); - decode_sdr_module_refresh_type(bytes, &refresh_type); - decode_sdr_module_refresh_rate(bytes, &refresh_rate); - - /* TODO: - - RAS to CAS delay - - Supported CAS latencies - - Supported CS latencies - - Supported WE latencies - - Cycle Time / Access time - - SDRAM module attributes - - SDRAM device attributes - - Row densities - - Other misc stuff - */ - - return g_strdup_printf("[Module Information]\n" - "Module type=SDR\n" - "SPD revision=%d\n" - "Row address bits=%s\n" - "Column address bits=%s\n" - "Number of rows=%d\n" - "Data width=%d bits\n" - "Interface signal levels=%s\n" - "Configuration type=%s\n" - "Refresh=%s (%s)\n" - "[Timings]\n" - "tCL=%.2f\n" - "tRCD=%.2f\n" - "tRP=%.2f\n" - "tRAS=%.2f\n", - bytes[62], row_address_bits, col_address_bits, rows, data_width, - signal_level, module_config_type, refresh_type, refresh_rate, tcl, trcd, - trp, tras); -} - -static void decode_ddr_module_speed(unsigned char *bytes, float *ddrclk, int *pcclk) { - float temp, clk; - int tbits, pc; - - temp = (bytes[9] >> 4) + (bytes[9] & 0xf) * 0.1; - clk = 2 * (1000 / temp); - tbits = (bytes[7] * 256) + bytes[6]; - - if (bytes[11] == 2 || bytes[11] == 1) { tbits -= 8; } - - pc = clk * tbits / 8; - if (pc % 100 > 50) { pc += 100; } - pc -= pc % 100; - - if (ddrclk) *ddrclk = (int)clk; - - if (pcclk) *pcclk = pc; -} - -static void decode_ddr_module_size(unsigned char *bytes, int *size) { - int i, k; - - i = (bytes[3] & 0x0f) + (bytes[4] & 0x0f) - 17; - k = (bytes[5] <= 8 && bytes[17] <= 8) ? bytes[5] * bytes[17] : 0; - - if (i > 0 && i <= 12 && k > 0) { - if (size) { *size = (1 << i) * k; } - } else { - if (size) { *size = -1; } - } -} - -static void decode_ddr_module_timings(unsigned char *bytes, float *tcl, float *trcd, float *trp, - float *tras) { - float ctime; - float highest_cas = 0; - int i; - - for (i = 0; i < 7; i++) { - if (bytes[18] & (1 << i)) { highest_cas = 1 + i * 0.5f; } - } - - ctime = (bytes[9] >> 4) + (bytes[9] & 0xf) * 0.1; - - if (trcd) { - *trcd = (bytes[29] >> 2) + ((bytes[29] & 3) * 0.25); - *trcd = ceil(*trcd / ctime); - } - - if (trp) { - *trp = (bytes[27] >> 2) + ((bytes[27] & 3) * 0.25); - *trp = ceil(*trp / ctime); - } - - if (tras) { - *tras = bytes[30]; - *tras = ceil(*tras / ctime); - } - - if (tcl) { *tcl = highest_cas; } -} - -static gchar *decode_ddr_sdram(unsigned char *bytes, int *size) { - float ddr_clock; - float tcl, trcd, trp, tras; - int pc_speed; - - decode_ddr_module_speed(bytes, &ddr_clock, &pc_speed); - decode_ddr_module_size(bytes, size); - decode_ddr_module_timings(bytes, &tcl, &trcd, &trp, &tras); - - return g_strdup_printf("[Module Information]\n" - "Module type=DDR %.2fMHz (PC%d)\n" - "SPD revision=%d.%d\n" - "[Timings]\n" - "tCL=%.2f\n" - "tRCD=%.2f\n" - "tRP=%.2f\n" - "tRAS=%.2f\n", - ddr_clock, pc_speed, bytes[62] >> 4, bytes[62] & 0xf, tcl, trcd, trp, - tras); -} - -static float decode_ddr2_module_ctime(unsigned char byte) { - float ctime; - - ctime = (byte >> 4); - byte &= 0xf; - - if (byte <= 9) { - ctime += byte * 0.1; - } else if (byte == 10) { - ctime += 0.25; - } else if (byte == 11) { - ctime += 0.33; - } else if (byte == 12) { - ctime += 0.66; - } else if (byte == 13) { - ctime += 0.75; - } - - return ctime; -} - -static void decode_ddr2_module_speed(unsigned char *bytes, float *ddr_clock, int *pc2_speed) { - float ctime; - float ddrclk; - int tbits, pcclk; - - ctime = decode_ddr2_module_ctime(bytes[9]); - ddrclk = 2 * (1000 / ctime); - - tbits = (bytes[7] * 256) + bytes[6]; - if (bytes[11] & 0x03) { tbits -= 8; } - - pcclk = ddrclk * tbits / 8; - pcclk -= pcclk % 100; - - if (ddr_clock) { *ddr_clock = (int)ddrclk; } - if (pc2_speed) { *pc2_speed = pcclk; } -} - -static void decode_ddr2_module_size(unsigned char *bytes, int *size) { - int i, k; - - i = (bytes[3] & 0x0f) + (bytes[4] & 0x0f) - 17; - k = ((bytes[5] & 0x7) + 1) * bytes[17]; - - if (i > 0 && i <= 12 && k > 0) { - if (*size) { *size = ((1 << i) * k); } - } else { - if (*size) { *size = 0; } - } -} - -static void decode_ddr2_module_timings(unsigned char *bytes, float *trcd, float *trp, float *tras, - float *tcl) { - float ctime; - float highest_cas = 0; - int i; - - for (i = 0; i < 7; i++) { - if (bytes[18] & (1 << i)) { highest_cas = i; } - } - - ctime = decode_ddr2_module_ctime(bytes[9]); - - if (trcd) { *trcd = ceil(((bytes[29] >> 2) + ((bytes[29] & 3) * 0.25)) / ctime); } - - if (trp) { *trp = ceil(((bytes[27] >> 2) + ((bytes[27] & 3) * 0.25)) / ctime); } - - if (tras) { *tras = ceil(bytes[30] / ctime); } - - if (tcl) { *tcl = highest_cas; } -} - -static gchar *decode_ddr2_sdram(unsigned char *bytes, int *size) { - float ddr_clock; - float trcd, trp, tras, tcl; - int pc2_speed; - - decode_ddr2_module_speed(bytes, &ddr_clock, &pc2_speed); - decode_ddr2_module_size(bytes, size); - decode_ddr2_module_timings(bytes, &trcd, &trp, &tras, &tcl); - - return g_strdup_printf("[Module Information]\n" - "Module type=DDR2 %.2f MHz (PC2-%d)\n" - "SPD revision=%d.%d\n" - "[Timings]\n" - "tCL=%.2f\n" - "tRCD=%.2f\n" - "tRP=%.2f\n" - "tRAS=%.2f\n", - ddr_clock, pc2_speed, bytes[62] >> 4, bytes[62] & 0xf, tcl, trcd, trp, - tras); -} - -static void decode_ddr3_module_speed(unsigned char *bytes, float *ddr_clock, int *pc3_speed) { - float ctime; - float ddrclk; - int tbits, pcclk; - float mtb = 0.125; - - if (bytes[10] == 1 && bytes[11] == 8) mtb = 0.125; - if (bytes[10] == 1 && bytes[11] == 15) mtb = 0.0625; - ctime = mtb * bytes[12]; - - ddrclk = 2 * (1000 / ctime); - - tbits = 64; - switch (bytes[8]) { - case 1: tbits = 16; break; - case 4: tbits = 32; break; - case 3: - case 0xb: tbits = 64; break; - } - - pcclk = ddrclk * tbits / 8; - pcclk -= pcclk % 100; - - if (ddr_clock) { *ddr_clock = (int)ddrclk; } - if (pc3_speed) { *pc3_speed = pcclk; } -} - -static void decode_ddr3_module_size(unsigned char *bytes, int *size) { - unsigned int sdr_capacity = 256 << (bytes[4] & 0xF); - unsigned int sdr_width = 4 << (bytes[7] & 0x7); - unsigned int bus_width = 8 << (bytes[8] & 0x7); - unsigned int ranks = 1 + ((bytes[7] >> 3) & 0x7); - - *size = sdr_capacity / 8 * bus_width / sdr_width * ranks; -} - -static void decode_ddr3_module_timings(unsigned char *bytes, float *trcd, float *trp, float *tras, - float *tcl) { - float ctime; - float mtb = 0.125; - float taa; - - if (bytes[10] == 1 && bytes[11] == 8) mtb = 0.125; - if (bytes[10] == 1 && bytes[11] == 15) mtb = 0.0625; - ctime = mtb * bytes[12]; - taa = bytes[16] * mtb; - - if (trcd) { *trcd = bytes[18] * mtb; } - - if (trp) { *trp = bytes[20] * mtb; } - - if (tras) { *tras = (bytes[22] + bytes[21] & 0xf) * mtb; } - - if (tcl) { *tcl = ceil(taa/ctime); } -} - -static void decode_ddr3_module_type(unsigned char *bytes, const char **type) { - switch (bytes[3]) { - case 0x00: *type = "Undefined"; break; - case 0x01: *type = "RDIMM (Registered Long DIMM)"; break; - case 0x02: *type = "UDIMM (Unbuffered Long DIMM)"; break; - case 0x03: *type = "SODIMM (Small Outline DIMM)"; break; - default: *type = "Unknown"; - } -} - -static gchar *decode_ddr3_sdram(unsigned char *bytes, int *size) { - float ddr_clock; - float trcd, trp, tras, tcl; - int pc3_speed; - const char *type; - - decode_ddr3_module_speed(bytes, &ddr_clock, &pc3_speed); - decode_ddr3_module_size(bytes, size); - decode_ddr3_module_timings(bytes, &trcd, &trp, &tras, &tcl); - decode_ddr3_module_type(bytes, &type); - - return g_strdup_printf("[Module Information]\n" - "Module type=DDR3 %.2f MHz (PC3-%d)\n" - "SPD revision=%d.%d\n" - "Type=%s\n" - "[Timings]\n" - "tCL=%.2f\n" - "tRCD=%.3fns\n" - "tRP=%.3fns\n" - "tRAS=%.3fns\n", - ddr_clock, pc3_speed, bytes[1] >> 4, bytes[1] & 0xf, type, tcl, trcd, - trp, tras); -} - -static void decode_ddr3_part_number(unsigned char *bytes, char *part_number) { - int i; - if (part_number) { - for (i = 128; i <= 145; i++) *part_number++ = bytes[i]; - *part_number = '\0'; - } -} - - -static void decode_ddr34_manufacturer(unsigned char count, unsigned char code, char **manufacturer) { - if (!manufacturer) return; - - if (code == 0x00 || code == 0xFF) { - *manufacturer = _("Unknown"); - return; - } - - if (parity(count) != 1 || parity(code) != 1) { - *manufacturer = _("Invalid"); - return; - } - - int bank = count & 0x7f; - int pos = code & 0x7f; - if (bank >= VENDORS_BANKS || (bank == VENDORS_BANKS - 1 && pos > VENDORS_LAST_BANK_SIZE)) { - *manufacturer = _("Unknown"); - return; - } - - *manufacturer = (char *)vendors[bank][pos - 1]; -} - -static void decode_ddr3_manufacturer(unsigned char *bytes, char **manufacturer) { - decode_ddr34_manufacturer(bytes[117], bytes[118], (char **) manufacturer); -} - -static void decode_module_manufacturer(unsigned char *bytes, char **manufacturer) { - char *out = "Unknown"; - unsigned char first; - int ai = 0; - int len = 8; - unsigned char *initial = bytes; - - if (!spd_written(bytes, 8)) { - out = "Undefined"; - goto end; - } - - do { ai++; } while ((--len && (*bytes++ == 0x7f))); - first = *--bytes; - - if (ai == 0) { - out = "Invalid"; - goto end; - } - - if (parity(first) != 1) { - out = "Invalid"; - goto end; - } - - out = (char *)vendors[ai - 1][(first & 0x7f) - 1]; - -end: - if (manufacturer) { *manufacturer = out; } -} - -static void decode_module_part_number(unsigned char *bytes, char *part_number) { - if (part_number) { - bytes += 8 + 64; - - while (*bytes++ && *bytes >= 32 && *bytes < 127) { *part_number++ = *bytes; } - *part_number = '\0'; - } -} - -static char *print_spd_timings(int speed, float cas, float trcd, float trp, float tras, - float ctime) { - return g_strdup_printf("DDR4-%d=%.0f-%.0f-%.0f-%.0f\n", speed, cas, ceil(trcd / ctime - 0.025), - ceil(trp / ctime - 0.025), ceil(tras / ctime - 0.025)); -} - -static void decode_ddr4_module_type(unsigned char *bytes, const char **type) { - switch (bytes[3]) { - case 0x01: *type = "RDIMM (Registered DIMM)"; break; - case 0x02: *type = "UDIMM (Unbuffered DIMM)"; break; - case 0x03: *type = "SODIMM (Small Outline Unbuffered DIMM)"; break; - case 0x04: *type = "LRDIMM (Load-Reduced DIMM)"; break; - case 0x05: *type = "Mini-RDIMM (Mini Registered DIMM)"; break; - case 0x06: *type = "Mini-UDIMM (Mini Unbuffered DIMM)"; break; - case 0x08: *type = "72b-SO-RDIMM (Small Outline Registered DIMM, 72-bit data bus)"; break; - case 0x09: *type = "72b-SO-UDIMM (Small Outline Unbuffered DIMM, 72-bit data bus)"; break; - case 0x0c: *type = "16b-SO-UDIMM (Small Outline Unbuffered DIMM, 16-bit data bus)"; break; - case 0x0d: *type = "32b-SO-UDIMM (Small Outline Unbuffered DIMM, 32-bit data bus)"; break; - default: *type = _("Unknown"); - } -} - -static float ddr4_mtb_ftb_calc(unsigned char b1, signed char b2) { - float mtb = 0.125; - float ftb = 0.001; - return b1 * mtb + b2 * ftb; -} - -static void decode_ddr4_module_speed(unsigned char *bytes, float *ddr_clock, int *pc4_speed) { - float ctime; - float ddrclk; - int tbits, pcclk; - - ctime = ddr4_mtb_ftb_calc(bytes[18], bytes[125]); - ddrclk = 2 * (1000 / ctime); - tbits = 8 << (bytes[13] & 7); - - pcclk = ddrclk * tbits / 8; - pcclk -= pcclk % 100; - - if (ddr_clock) { *ddr_clock = (int)ddrclk; } - if (pc4_speed) { *pc4_speed = pcclk; } -} - -static void decode_ddr4_module_spd_timings(unsigned char *bytes, float speed, char **str) { - float ctime, ctime_max, pctime, taa, trcd, trp, tras; - int pcas, best_cas, base_cas, ci, i, j; - unsigned char cas_support[] = {bytes[20], bytes[21], bytes[22], bytes[23] & 0x1f}; - float possible_ctimes[] = {15 / 24.0, 15 / 22.0, 15 / 20.0, 15 / 18.0, - 15 / 16.0, 15 / 14.0, 15 / 12.0}; - - base_cas = bytes[23] & 0x80 ? 23 : 7; - - ctime = ddr4_mtb_ftb_calc(bytes[18], bytes[125]); - ctime_max = ddr4_mtb_ftb_calc(bytes[19], bytes[124]); - - taa = ddr4_mtb_ftb_calc(bytes[24], bytes[123]); - trcd = ddr4_mtb_ftb_calc(bytes[25], bytes[122]); - trp = ddr4_mtb_ftb_calc(bytes[26], bytes[121]); - tras = (((bytes[27] & 0x0f) << 8) + bytes[28]) * 0.125; - - *str = print_spd_timings((int)speed, ceil(taa / ctime - 0.025), trcd, trp, tras, ctime); - - for (ci = 0; ci < 7; ci++) { - best_cas = 0; - pctime = possible_ctimes[ci]; - - for (i = 3; i >= 0; i--) { - for (j = 7; j >= 0; j--) { - if ((cas_support[i] & (1 << j)) != 0) { - pcas = base_cas + 8 * i + j; - if (ceil(taa / pctime) - 0.025 <= pcas) { best_cas = pcas; } - } - } - } - - if (best_cas > 0 && pctime <= ctime_max && pctime >= ctime) { - *str = h_strdup_cprintf( - "%s\n", *str, - print_spd_timings((int)(2000.0 / pctime), best_cas, trcd, trp, tras, pctime)); - } - } -} - -static void decode_ddr4_module_size(unsigned char *bytes, int *size) { - int sdrcap = 256 << (bytes[4] & 15); - int buswidth = 8 << (bytes[13] & 7); - int sdrwidth = 4 << (bytes[12] & 7); - int signal_loading = bytes[6] & 3; - int lranks_per_dimm = ((bytes[12] >> 3) & 7) + 1; - - if (signal_loading == 2) lranks_per_dimm *= ((bytes[6] >> 4) & 7) + 1; - - *size = sdrcap / 8 * buswidth / sdrwidth * lranks_per_dimm; -} - -static void decode_ddr4_module_date(unsigned char *bytes, int spd_size, char **str) { - if (spd_size < 324) { - *str = g_strdup(_("Unknown (Missing data)")); - return; - } - - if (bytes[323] == 0x0 || bytes[323] == 0xffff || - bytes[324] == 0x0 || bytes[324] == 0xffff) { - *str = g_strdup(_("Unknown")); - return; - } - - *str = g_strdup_printf("%s %02X, %s 20%02X", - _("Week"), bytes[324], _("Year"), bytes[323]); -} - -static void decode_ddr4_dram_manufacturer(unsigned char *bytes, int spd_size, - const char **manufacturer) { - if (spd_size < 351) { - *manufacturer = _("Unknown (Missing data)"); - return; - } - - decode_ddr34_manufacturer(bytes[350], bytes[351], (char **) manufacturer); -} - -static void detect_ddr4_xmp(unsigned char *bytes, int spd_size, int *majv, int *minv) { - if (spd_size < 387) - return; - - *majv = 0; *minv = 0; - - if (bytes[384] != 0x0c || bytes[385] != 0x4a) // XMP magic number - return; - - if (majv) - *majv = bytes[387] >> 4; - if (minv) - *minv = bytes[387] & 0xf; -} - -static void decode_ddr4_xmp(unsigned char *bytes, int spd_size, char **str) { - float ctime; - float ddrclk, taa, trcd, trp, tras; - - if (spd_size < 405) - return; - - ctime = ddr4_mtb_ftb_calc(bytes[396], bytes[431]); - ddrclk = 2 * (1000 / ctime); - taa = ddr4_mtb_ftb_calc(bytes[401], bytes[430]); - trcd = ddr4_mtb_ftb_calc(bytes[402], bytes[429]); - trp = ddr4_mtb_ftb_calc(bytes[403], bytes[428]); - tras = (((bytes[404] & 0x0f) << 8) + bytes[405]) * 0.125; - - *str = g_strdup_printf("[%s]\n" - "%s=DDR4 %d MHz\n" - "%s=%d.%d V\n" - "[%s]\n" - "%s", - _("XMP Profile"), - _("Speed"), (int) ddrclk, - _("Voltage"), bytes[393] >> 7, bytes[393] & 0x7f, - _("XMP Timings"), - print_spd_timings((int) ddrclk, ceil(taa/ctime - 0.025), trcd, trp, tras, ctime)); -} - - -static gchar *decode_ddr4_sdram(unsigned char *bytes, int spd_size, int *size) { - float ddr_clock; - int pc4_speed, xmp_majv = -1, xmp_minv = -1; - const char *type, *dram_manf; - char *speed_timings = NULL, *xmp_profile = NULL, *xmp = NULL, *manf_date = NULL; - static gchar *out; - - decode_ddr4_module_speed(bytes, &ddr_clock, &pc4_speed); - decode_ddr4_module_size(bytes, size); - decode_ddr4_module_type(bytes, &type); - decode_ddr4_module_spd_timings(bytes, ddr_clock, &speed_timings); - decode_ddr4_module_date(bytes, spd_size, &manf_date); - decode_ddr4_dram_manufacturer(bytes, spd_size, &dram_manf); - detect_ddr4_xmp(bytes, spd_size, &xmp_majv, &xmp_minv); - - if (xmp_majv == -1 && xmp_minv == -1) { - xmp = g_strdup(_("unknown")); - } - else if (xmp_majv <= 0 && xmp_minv <= 0) { - xmp = g_strdup(_("no")); - } - else { - xmp = g_strdup_printf("%s (revision %d.%d)", _("yes"), xmp_majv, xmp_minv); - if (xmp_majv == 2 && xmp_minv == 0) - decode_ddr4_xmp(bytes, spd_size, &xmp_profile); - } - - out = g_strdup_printf("[%s]\n" - "%s=DDR4 %.0f MHz (PC4-%d)\n" - "%s=%d.%d\n" - "%s=%s\n" - "%s=%s\n" - "%s=%s\n" - "%s=%s\n" - "%s=%s\n" - "[%s]\n" - "%s\n" - "%s", - _("Module Information"), _("Module type"), ddr_clock, pc4_speed, - _("SPD revision"), bytes[1] >> 4, bytes[1] & 0xf, _("Type"), type, - _("Voltage"), bytes[11] & 0x01 ? "1.2 V": _("Unknown"), - _("Manufacturing Date"), manf_date, _("DRAM Manufacturer"), dram_manf, - _("XMP"), xmp, _("JEDEC Timings"), speed_timings, - xmp_profile ? xmp_profile: ""); - - g_free(speed_timings); - g_free(manf_date); - g_free(xmp); - g_free(xmp_profile); - - return out; -} - -static void decode_ddr4_part_number(unsigned char *bytes, int spd_size, char *part_number) { - int i; - if (!part_number) return; - - if (spd_size < 348) { - *part_number++ = '?'; - *part_number++ = '?'; - *part_number++ = '?'; - *part_number++ = '\0'; - return; - } - - for (i = 329; i <= 348; i++) *part_number++ = bytes[i]; - *part_number = '\0'; -} - -static void decode_ddr4_module_manufacturer(unsigned char *bytes, int spd_size, - char **manufacturer) { - if (spd_size < 321) { - *manufacturer = _("Unknown (Missing data)"); - return; - } - - decode_ddr34_manufacturer(bytes[320], bytes[321], manufacturer); -} - -static int decode_ram_type(unsigned char *bytes) { - if (bytes[0] < 4) { - switch (bytes[2]) { - case 1: return DIRECT_RAMBUS; - case 17: return RAMBUS; - } - } else { - switch (bytes[2]) { - case 1: return FPM_DRAM; - case 2: return EDO; - case 3: return PIPELINED_NIBBLE; - case 4: return SDR_SDRAM; - case 5: return MULTIPLEXED_ROM; - case 6: return DDR_SGRAM; - case 7: return DDR_SDRAM; - case 8: return DDR2_SDRAM; - case 11: return DDR3_SDRAM; - case 12: return DDR4_SDRAM; - } - } - - return UNKNOWN; -} - -static int read_spd(char *spd_path, int offset, size_t size, int use_sysfs, - unsigned char *bytes_out) { - int data_size = 0; - if (use_sysfs) { - FILE *spd; - gchar *temp_path; - - temp_path = g_strdup_printf("%s/eeprom", spd_path); - if ((spd = fopen(temp_path, "rb"))) { - fseek(spd, offset, SEEK_SET); - data_size = fread(bytes_out, 1, size, spd); - fclose(spd); - } - - g_free(temp_path); - } else { - int i; - - for (i = 0; i <= 3; i++) { - FILE *spd; - char *temp_path; - - temp_path = g_strdup_printf("%s/%02x", spd_path, offset + i * 16); - if ((spd = fopen(temp_path, "rb"))) { - data_size += fread(bytes_out + i * 16, 1, 16, spd); - fclose(spd); - } - - g_free(temp_path); - } - } - - return data_size; -} - -static gchar *decode_dimms(GSList *dimm_list, gboolean use_sysfs, int max_size) { - GSList *dimm; - GString *output = NULL; - gint count = 0; - int spd_size = 0; - guchar *bytes; - - bytes = malloc(sizeof(guchar) * max_size); - - for (dimm = dimm_list; dimm; dimm = dimm->next, count++) { - gchar *spd_path = (gchar *)dimm->data; - gchar *manufacturer; - gchar *detailed_info; - gchar *moreinfo_key; - gchar part_number[32]; - int module_size; - RamType ram_type; - - shell_status_pulse(); - - spd_size = read_spd(spd_path, 0, max_size, use_sysfs, bytes); - ram_type = decode_ram_type(bytes); - - switch (ram_type) { - case DDR2_SDRAM: - detailed_info = decode_ddr2_sdram(bytes, &module_size); - decode_module_part_number(bytes, part_number); - decode_module_manufacturer(bytes + 64, &manufacturer); - break; - case DDR3_SDRAM: - detailed_info = decode_ddr3_sdram(bytes, &module_size); - decode_ddr3_part_number(bytes, part_number); - decode_ddr3_manufacturer(bytes, &manufacturer); - break; - case DDR4_SDRAM: - detailed_info = decode_ddr4_sdram(bytes, spd_size, &module_size); - decode_ddr4_part_number(bytes, spd_size, part_number); - decode_ddr4_module_manufacturer(bytes, spd_size, &manufacturer); - ddr4_partial_data = ddr4_partial_data || (spd_size < 512); - break; - case DDR_SDRAM: - detailed_info = decode_ddr_sdram(bytes, &module_size); - decode_module_part_number(bytes, part_number); - decode_module_manufacturer(bytes + 64, &manufacturer); - break; - case SDR_SDRAM: - detailed_info = decode_sdr_sdram(bytes, &module_size); - decode_module_part_number(bytes, part_number); - decode_module_manufacturer(bytes + 64, &manufacturer); - break; - default: DEBUG("Unsupported EEPROM type: %s\n", ram_types[ram_type]); continue; - } - - if (detailed_info) { - gchar *more_detailed_info = g_strdup_printf("%s[%s]\n%s=%s\n", - detailed_info, _("Source"), _("Path"), spd_path); - gchar *key = g_strdup_printf("MEM%d", count); - moreinfo_add_with_prefix("DEV", key, more_detailed_info); /* moreinfo now owns *more_detailed_info */ - g_free(key); - } - - if (!output) - output = g_string_new(""); - - g_string_append_printf(output, "$!MEM%d$%d=%s|%d MB|%s\n", count, count, part_number, - module_size, manufacturer); - - g_free(spd_path); - g_free(detailed_info); - } - g_free(bytes); - - if (!output) - return NULL; - - return g_string_free(output, FALSE); -} - -struct SpdDriver { - const char *dir_path; - const gint max_size; - const gboolean use_sysfs; -}; - -static const struct SpdDriver spd_drivers[] = { - { "/sys/bus/i2c/drivers/ee1004", 512, TRUE }, - { "/sys/bus/i2c/drivers/eeprom", 256, TRUE }, - { "/proc/sys/dev/sensors" , 256, FALSE }, - { NULL } -}; - -void scan_spd_do(void) { - GDir *dir = NULL; - GSList *dimm_list = NULL; - void *dimm_list_entry; - gchar *dir_entry, *list = NULL; - const struct SpdDriver *driver; - gboolean driver_found = FALSE; - - ddr4_partial_data = FALSE; - no_driver = FALSE; - no_support = FALSE; - - for (driver = spd_drivers; driver->dir_path; driver++) { - if (g_file_test(driver->dir_path, G_FILE_TEST_EXISTS)) { - dir = g_dir_open(driver->dir_path, 0, NULL); - if (!dir) continue; - - driver_found = TRUE; - while ((dir_entry = (char *)g_dir_read_name(dir))) { - if ((driver->use_sysfs && isdigit(dir_entry[0])) || - g_str_has_prefix(dir_entry, "eeprom-")) { - - dimm_list_entry = g_strdup_printf("%s/%s", driver->dir_path, dir_entry); - dimm_list = g_slist_prepend(dimm_list, dimm_list_entry); - } - } - - g_dir_close(dir); - - if (dimm_list) { - list = decode_dimms(dimm_list, driver->use_sysfs, driver->max_size); - g_slist_free(dimm_list); - dimm_list = NULL; - } - if (list) break; - } - } - - if (!driver_found) { - g_free(spd_info); - if (!g_file_test("/sys/module/eeprom", G_FILE_TEST_EXISTS)) { - no_driver = TRUE; /* trigger hinote for no eeprom driver */ - spd_info = - g_strdup("[$ShellParam$]\n" - "ViewType=0\n" - "ReloadInterval=500\n"); - } else { - no_support = TRUE; /* trigger hinote for unsupported system */ - spd_info = - g_strdup("[$ShellParam$]\n" - "ViewType=0\n" - "ReloadInterval=500\n"); - } - - return; - } - - g_free(spd_info); - spd_info = g_strdup_printf("[%s]\n" - "%s\n" - "[$ShellParam$]\n" - "ViewType=1\n" - "ColumnTitle$TextValue=%s\n" /* Bank */ - "ColumnTitle$Extra1=%s\n" /* Size */ - "ColumnTitle$Extra2=%s\n" /* Manufacturer */ - "ColumnTitle$Value=%s\n" /* Model */ - "ShowColumnHeaders=true\n", - _("SPD"), list, _("Bank"), _("Size"), _("Manufacturer"), _("Model")); - g_free(list); -} - -gboolean spd_decode_show_hinote(const char **msg) { - if (ddr4_partial_data) { - *msg = g_strdup( - _("A current driver has provided only partial DDR4 SPD data. Please load and\n" - "configure ee1004 driver to obtain additional information about DDR4 SPD.")); - return TRUE; - } - if (no_driver) { - *msg = g_strdup( - _("Please load the eeprom module to obtain information about memory SPD.")); - return TRUE; - } - if (no_support) { - *msg = g_strdup( - _("Reading memory SPD not supported on this system.")); - return TRUE; - } - - return FALSE; -} |