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(Phil) Fixed some bugs in src/eeprom.c and added more stuff

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to /prog/eeprom/decode-dimms.pl


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@94 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Philip Edelbrock
1998-12-20 07:48:16 +00:00
parent 8ffb8660b7
commit b47bfd40c2
6 changed files with 87 additions and 7 deletions
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4
doc/eeprom
View File

@@ -40,7 +40,7 @@ DECODE_DIMMS.PL
--------------- ---------------
This Perl script attempts to make sense of the first 128 bytes of a SDRAM This Perl script attempts to make sense of the first 128 bytes of a SDRAM
DIMM. Using the 'Serial Presence Detect (SPD)' Spec (Rev1.2a)** from PC-100 DIMM. Using the 'Serial Presence Detect (SPD)' Spec (Rev1.2a)** from
Intel. When finished, it will decode and report all the values defined in Intel. When finished, it will decode and report all the values defined in
the spec. Much of the information is technical timing and interfacing info the spec. Much of the information is technical timing and interfacing info
(probably not all used by the Bios or clocking IC. (probably not all used by the Bios or clocking IC.
@@ -77,7 +77,7 @@ which may not be the case.
------------------------------------------------------------------------ ------------------------------------------------------------------------
** PDF is available from Intel or our web site: ** PDF is available from Intel or our web site (spdsd12a.pdf):
http://www.netroedge.com/~lm78 http://www.netroedge.com/~lm78
"eeprom" doc created Dec. 14, 1998 by Philip Edelbrock "eeprom" doc created Dec. 14, 1998 by Philip Edelbrock

5
kernel/chips/eeprom.c
View File

@@ -106,7 +106,9 @@ static ctl_table eeprom_dir_table_template[] = {
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL6, "data80-95", NULL, 0, 0644, NULL, &sensors_proc_real, { EEPROM_SYSCTL6, "data80-95", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL7, "data96-127", NULL, 0, 0644, NULL, &sensors_proc_real, { EEPROM_SYSCTL7, "data96-111", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL8, "data112-127", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ 0 } { 0 }
}; };
@@ -310,6 +312,7 @@ void eeprom_contents(struct i2c_client *client, int operation, int ctl_name,
if (ctl_name == EEPROM_SYSCTL5){ base=64; } if (ctl_name == EEPROM_SYSCTL5){ base=64; }
if (ctl_name == EEPROM_SYSCTL6){ base=80; } if (ctl_name == EEPROM_SYSCTL6){ base=80; }
if (ctl_name == EEPROM_SYSCTL7){ base=96; } if (ctl_name == EEPROM_SYSCTL7){ base=96; }
if (ctl_name == EEPROM_SYSCTL8){ base=112; }
if (operation == SENSORS_PROC_REAL_INFO) if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0; *nrels_mag = 0;

1
kernel/include/sensors.h
View File

@@ -194,5 +194,6 @@ struct sensors_chips_data {
#define EEPROM_SYSCTL5 1004 #define EEPROM_SYSCTL5 1004
#define EEPROM_SYSCTL6 1005 #define EEPROM_SYSCTL6 1005
#define EEPROM_SYSCTL7 1006 #define EEPROM_SYSCTL7 1006
#define EEPROM_SYSCTL8 1007
#endif /* def SENSORS_SENSORS_H */ #endif /* def SENSORS_SENSORS_H */

78
prog/eeprom/decode-dimms.pl
View File

@@ -2,7 +2,7 @@
# #
# Copyright 1998, Philip Edelbrock <phil@netroedge.com> # Copyright 1998, Philip Edelbrock <phil@netroedge.com>
# #
# Version 0.2 # Version 0.3
# #
# EEPROM data decoding for SDRAM DIMM modules. # EEPROM data decoding for SDRAM DIMM modules.
# #
@@ -10,12 +10,17 @@
# and Perl is at /usr/bin/perl # and Perl is at /usr/bin/perl
# #
# #
# Reference: PC SDRAM Serial Presence # References:
# PC SDRAM Serial Presence
# Detect (SPD) Specification, Intel, # Detect (SPD) Specification, Intel,
# Dec '97, Rev 1.2A # Dec '97, Rev 1.2A
# #
#
# Jedec Standards 4.1.x & 4.5.x
# http://www.jedec.org
#
print "SDRAM Serial Presence Detect Tester/Decoder\n"; print "PC-100 DIMM Serial Presence Detect Tester/Decoder\n";
print "Written by Philip Edelbrock. Copyright 1998.\n"; print "Written by Philip Edelbrock. Copyright 1998.\n";
print "Version 0.2\n\n"; print "Version 0.2\n\n";
@@ -26,6 +31,7 @@ $_=`ls /proc/sys/dev/sensors/`;
for $i ( 0 .. $#dimm_list ) { for $i ( 0 .. $#dimm_list ) {
$_=$dimm_list[$i]; $_=$dimm_list[$i];
if (/^eeprom-/) { if (/^eeprom-/) {
$dimm_checksum=0;
$dimm_count=$dimm_count + 1; $dimm_count=$dimm_count + 1;
print "\nDecoding EEPROM: /proc/sys/dev/sensors/$dimm_list[$i]\n"; print "\nDecoding EEPROM: /proc/sys/dev/sensors/$dimm_list[$i]\n";
@@ -38,6 +44,8 @@ for $i ( 0 .. $#dimm_list ) {
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data0-15`; $_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data0-15`;
@bytes=split(" "); @bytes=split(" ");
for $j ( 0 .. 15 ) { $dimm_checksum = $dimm_checksum + $bytes[$j]; }
print "\t# of bytes written to SDRAM EEPROM:\t\t$bytes[0]\n"; print "\t# of bytes written to SDRAM EEPROM:\t\t$bytes[0]\n";
print "\tTotal number of bytes in EEPROM:\t\t"; print "\tTotal number of bytes in EEPROM:\t\t";
@@ -123,6 +131,7 @@ for $i ( 0 .. $#dimm_list ) {
# Decode next 16 bytes # Decode next 16 bytes
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data16-31`; $_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data16-31`;
@bytes=split(" "); @bytes=split(" ");
for $j ( 0 .. 15 ) { $dimm_checksum = $dimm_checksum + $bytes[$j]; }
print "\tBurst lengths supported:\t\t\t"; print "\tBurst lengths supported:\t\t\t";
$temp=""; $temp="";
@@ -265,6 +274,9 @@ for $i ( 0 .. $#dimm_list ) {
# Decode next 16 bytes (32-47) # Decode next 16 bytes (32-47)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data32-47`; $_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data32-47`;
@bytes=split(" "); @bytes=split(" ");
for $j ( 0 .. 15 ) { $dimm_checksum = $dimm_checksum + $bytes[$j]; }
print "\t\t----=== The Following are Proposed and Apply to SDRAM DIMMs ===----\n";
print "\tCommand and Address Signal Setup Time:\t\t"; print "\tCommand and Address Signal Setup Time:\t\t";
if ($bytes[0] > 127) { $temp=($bytes[0]-128)>>4; $temp2=-1; } else { $temp=$bytes[0]>>4; $temp2=1;} if ($bytes[0] > 127) { $temp=($bytes[0]-128)>>4; $temp2=-1; } else { $temp=$bytes[0]>>4; $temp2=1;}
@@ -287,6 +299,66 @@ for $i ( 0 .. $#dimm_list ) {
print "nS\n"; print "nS\n";
# That's it for the lower part of an SDRAM EEPROM's memory! # That's it for the lower part of an SDRAM EEPROM's memory!
# Decode next 16 bytes (48-63)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data48-63`;
@bytes=split(" ");
for $j ( 0 .. 14 ) { $dimm_checksum = $dimm_checksum + $bytes[$j]; }
print "\tSPD Revision code:\t\t\t\t$bytes[14]\n";
print "\tEEPROM Checksum of bytes 0-62:\t\t\t";
printf("0x%.4X (verses calculated: 0x%.4X)\n",$bytes[15],$dimm_checksum);
# Decode next 16 bytes (64-79)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data64-79`;
@bytes=split(" ");
print "\tManufacturer's JEDEC ID Code:\t\t\t";
printf("0x%.4X%.4X%.4X%.4X%.4X%.4X%.4X%.4X\n",$bytes[0],$bytes[1],$bytes[2],$bytes[3],$bytes[4],$bytes[5],$bytes[6],$bytes[7]);
print "\tManufacturing Location Code:\t\t\t";
printf("0x%.4X\n",$bytes[8]);
print "\tManufacurer's Part Number:\t\t\t\"";
# Decode next 16 bytes (80-95)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data80-95`;
@bytes2=split(" ");
print pack("cccccccccccccccccc",$bytes[9],$bytes[10],$bytes[11],$bytes[12],$bytes[13],$bytes[14],$bytes[15],
$bytes2[0],$bytes2[1],$bytes2[2],$bytes2[3],$bytes2[4],$bytes2[5],$bytes2[6],$bytes2[7],$bytes2[8],$bytes2[9]);
print "\"\n";
print "\tRevision Code:\t\t\t\t\t";
printf("0x%.4X%.4X\n",$bytes2[10],$bytes2[11]);
print "\tManufacturing Date:\t\t\t\t";
printf("0x%.4X%.4X\n",$bytes2[12],$bytes2[13]);
print "\tAssembly Serial Number:\t\t\t\t";
# Decode next 16 bytes (96-111)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data96-111`;
@bytes=split(" ");
printf("0x%.4X%.4X%.4X%.4X\n",$bytes2[15],$bytes[0],$bytes[1],$bytes[2]);
# Decode next 16 bytes (112-127)
$_=`cat /proc/sys/dev/sensors/$dimm_list[$i]/data112-127`;
@bytes=split(" ");
print "\tIntel Specification for Frequency:\t\t";
if ($bytes[14] == 102) { print "66MHz\n"; } elsif ($bytes[14] == 100) { print "100MHz\n"; } else { print "Undefined!\n"; }
print "\tIntel Spec Details for 100MHz Support:\t\t";
$temp="";
if (($bytes[15] & 1) > 0) { print "${temp}Intel Concurrent AutoPrecharge\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 2) > 0) { print "${temp}CAS Latency = 2\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 4) > 0) { print "${temp}CAS Latency = 3\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 8) > 0) { print "${temp}Junction Temp A (90 degrees C)\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 8) == 0) { print "${temp}Junction Temp B (100 degrees C)\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 16) > 0) { print "${temp}CLK 3 Connected\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 32) > 0) { print "${temp}CLK 2 Connected\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 64) > 0) { print "${temp}CLK 1 Connected\n"; $temp="\t\t\t\t\t\t\t";}
if (($bytes[15] & 128) > 0) { print "${temp}CLK 0 Connected\n"; $temp="\t\t\t\t\t\t\t";}
if ($bytes[15] > 175) { print "${temp}Double Sided DIMM\n"; $temp="\t\t\t\t\t\t\t";
} else {print "${temp}Single Sided DIMM\n"; $temp="\t\t\t\t\t\t\t";}
} }
} }

5
src/eeprom.c
View File

@@ -106,7 +106,9 @@ static ctl_table eeprom_dir_table_template[] = {
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL6, "data80-95", NULL, 0, 0644, NULL, &sensors_proc_real, { EEPROM_SYSCTL6, "data80-95", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL7, "data96-127", NULL, 0, 0644, NULL, &sensors_proc_real, { EEPROM_SYSCTL7, "data96-111", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents },
{ EEPROM_SYSCTL8, "data112-127", NULL, 0, 0644, NULL, &sensors_proc_real,
&sensors_sysctl_real, NULL, &eeprom_contents }, &sensors_sysctl_real, NULL, &eeprom_contents },
{ 0 } { 0 }
}; };
@@ -310,6 +312,7 @@ void eeprom_contents(struct i2c_client *client, int operation, int ctl_name,
if (ctl_name == EEPROM_SYSCTL5){ base=64; } if (ctl_name == EEPROM_SYSCTL5){ base=64; }
if (ctl_name == EEPROM_SYSCTL6){ base=80; } if (ctl_name == EEPROM_SYSCTL6){ base=80; }
if (ctl_name == EEPROM_SYSCTL7){ base=96; } if (ctl_name == EEPROM_SYSCTL7){ base=96; }
if (ctl_name == EEPROM_SYSCTL8){ base=112; }
if (operation == SENSORS_PROC_REAL_INFO) if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0; *nrels_mag = 0;

1
src/sensors.h
View File

@@ -194,5 +194,6 @@ struct sensors_chips_data {
#define EEPROM_SYSCTL5 1004 #define EEPROM_SYSCTL5 1004
#define EEPROM_SYSCTL6 1005 #define EEPROM_SYSCTL6 1005
#define EEPROM_SYSCTL7 1006 #define EEPROM_SYSCTL7 1006
#define EEPROM_SYSCTL8 1007
#endif /* def SENSORS_SENSORS_H */ #endif /* def SENSORS_SENSORS_H */