The EEPROMs used to store SPD data on DDR4 SDRAM modules have their
own kernel driver: ee1004.
---
eeprom/decode-dimms | 10 +++++++---
eeprom/decode-dimms.1 | 7 ++++---
2 files changed, 11 insertions(+), 6 deletions(-)
--- i2c-tools.orig/eeprom/decode-dimms 2017-11-17 11:27:11.401380668 +0100
+++ i2c-tools/eeprom/decode-dimms 2017-11-17 11:28:32.262363769 +0100
@@ -5,7 +5,7 @@
# Copyright 1998, 1999 Philip Edelbrock <phil@xxxxxxxxxxxxx>
# modified by Christian Zuckschwerdt <zany@xxxxxxxx>
# modified by Burkart Lingner <burkart@xxxxxxxxxxx>
-# Copyright (C) 2005-2013 Jean Delvare <jdelvare@xxxxxxx>
+# Copyright (C) 2005-2017 Jean Delvare <jdelvare@xxxxxxx>
#
# 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
@@ -2410,7 +2410,9 @@ sub get_dimm_list
my (@dirs, $dir, $opened, $file, @files);
if ($use_sysfs) {
- @dirs = ('/sys/bus/i2c/drivers/eeprom', '/sys/bus/i2c/drivers/at24');
+ @dirs = ('/sys/bus/i2c/drivers/eeprom',
+ '/sys/bus/i2c/drivers/at24',
+ '/sys/bus/i2c/drivers/ee1004'); # DDR4
} else {
@dirs = ('/proc/sys/dev/sensors');
}
@@ -2428,7 +2430,9 @@ sub get_dimm_list
# or spd (driver at24)
my $attr = sysfs_device_attribute("$dir/$file", "name");
next unless defined $attr &&
- ($attr eq "eeprom" || $attr eq "spd");
+ ($attr eq "eeprom" ||
+ $attr eq "spd" ||
+ $attr eq "ee1004"); # DDR4
} else {
next unless $file =~ /^eeprom-/;
}
--- i2c-tools.orig/eeprom/decode-dimms.1 2017-11-17 11:21:42.505378009 +0100
+++ i2c-tools/eeprom/decode-dimms.1 2017-11-17 11:28:32.262363769 +0100
@@ -1,6 +1,7 @@
.\"
.\" decode-dimms.1 - manpage for the i2c-tools/decode-dimms utility
.\" Copyright (C) 2013 Jaromir Capik
+.\" Copyright (C) 2017 Jean Delvare
.\"
.\" 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
@@ -16,7 +17,7 @@
.\" with this program; if not, write to the Free Software Foundation, Inc.,
.\" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
.\"
-.TH decode-dimms 1 "Oct 2013" "i2c-tools" "User Commands"
+.TH decode-dimms 1 "Nov 2017" "i2c-tools" "User Commands"
.SH NAME
decode-dimms \- decode the information found in memory module SPD EEPROMs
.SH SYNOPSIS
@@ -31,8 +32,8 @@ The purpose of the
.B decode-dimms
tool is to decode the information found in memory module SPD EEPROMs.
The SPD data is read either from the running system or dump files.
-In the former case, the tool requires either the eeprom kernel module
-or the at24 kernel module to be loaded.
+In the former case, the tool requires a kernel module to be loaded:
+eeprom, at24 or ee1004 (for DDR4 SDRAM.)
.SH PARAMETERS
.TP
.B \-f, --format
--
Jean Delvare
SUSE L3 Support
