DDR3: Don't print the medium and fine time bases, they aren't directly

useful to the user. Simply store them for later use.


git-svn-id: http://lm-sensors.org/svn/i2c-tools/trunk@6132 7894878c-1315-0410-8ee3-d5d059ff63e0

2 files changed, 10 insertions, 9 deletions

diff --git a/CHANGES b/CHANGES
index 5449d1f..c8d0138 100644
--- a/CHANGES
+++ b/CHANGES
@@ -27,6 +27,7 @@ SVN HEAD
                 Fix DDR3 tRAS decoding
                 Fix DDR3 core timings rounding
                 Round down PC3 numbers to comply with Jedec
+                Don't print the DDR3 time bases
   i2cdetect: Do a best effort detection if functionality is missing
              Clarify the SMBus commands used for probing by default
   i2c-dev.h: Minimize differences with kernel flavor
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index 3ac3694..f2d1663 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1335,6 +1335,7 @@ sub decode_ddr3_sdram($)
 	my $bytes = shift;
 	my $temp;
 	my $ctime;
+	my ($ftb, $mtb);
 
 	my @module_types = ("Undefined", "RDIMM", "UDIMM", "SO-DIMM",
 			    "Micro-DIMM", "Mini-RDIMM", "Mini-UDIMM",
@@ -1346,18 +1347,17 @@ sub decode_ddr3_sdram($)
 					$module_types[$bytes->[3]] :
 					sprintf("Reserved (0x%.2X)", $bytes->[3]));
 
+# time bases
+	if (($bytes->[9] & 0x0f) == 0 || $bytes->[11] == 0) {
+		print STDERR "Invalid time base divisor, can't decode\n";
+		return;
+	}
+	$ftb = ($bytes->[9] >> 4) / ($bytes->[9] & 0x0f);
+	$mtb = $bytes->[10] / $bytes->[11];
+
 # speed
 	prints("Memory Characteristics");
 
-	my $dividend = ($bytes->[9] >> 4) & 15;
-	my $divisor  = $bytes->[9] & 15;
-	printl("Fine time base", sprintf("%.3f", $dividend / $divisor) . " ps");
-
-	$dividend = $bytes->[10];
-	$divisor  = $bytes->[11];
-	my $mtb = $dividend / $divisor;
-	printl("Medium time base", tns3($mtb));
-
 	$ctime = $bytes->[12] * $mtb;
 	my $ddrclk = 2 * (1000 / $ctime);
 	my $tbits = 1 << (($bytes->[8] & 7) + 3);