diff options
| author | khali <khali@7894878c-1315-0410-8ee3-d5d059ff63e0> | 2013-04-14 17:30:22 +0000 |
|---|---|---|
| committer | khali <khali@7894878c-1315-0410-8ee3-d5d059ff63e0> | 2013-04-14 17:30:22 +0000 |
| commit | 3d0d3fc40809647d1cff1a74d1cd0809c50f3953 (patch) | |
| tree | 18f0a71a4b721b52729e2c2a2b433b9b429ac822 | |
| parent | e1587ef71c253f9f94d865cddd73ea295ca402a5 (diff) | |
| download | i2c-tools-3d0d3fc40809647d1cff1a74d1cd0809c50f3953.tar.gz | |
DDR3: Decode and print reference card revision.
git-svn-id: http://lm-sensors.org/svn/i2c-tools/trunk@6138 7894878c-1315-0410-8ee3-d5d059ff63e0
| -rw-r--r-- | CHANGES | 1 | ||||
| -rwxr-xr-x | eeprom/decode-dimms | 10 |
2 files changed, 7 insertions, 4 deletions
@@ -30,6 +30,7 @@ SVN HEAD Don't print the DDR3 time bases Decode the FTB fields of DDR3 tCk, tAA, tRCD, tRP and tRC Fix speed and PC3 number of high-speed DDR3 modules + Decode DDR3 reference card revision 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 e51f639..fad04eb 100755 --- a/eeprom/decode-dimms +++ b/eeprom/decode-dimms @@ -1340,15 +1340,17 @@ sub ddr3_mtb_ftb($$$$) return $byte1 * $mtb + $byte2 * $ftb / 1000; } -sub ddr3_reference_card($) +sub ddr3_reference_card($$) { - my ($rrc) = @_; + my ($rrc, $ext) = @_; my $alphabet = "ABCDEFGHJKLMNPRTUVWY"; my $ref = $rrc & 0x1f; + my $revision = $ext >> 5; my $ref_card; return "ZZ" if $ref == 0x1f; $ref += 0x1f if $rrc & 0x80; + $revision = (($rrc >> 5) & 0x03) if $revision == 0; if ($ref < length($alphabet)) { # One letter reference card @@ -1361,7 +1363,7 @@ sub ddr3_reference_card($) substr($alphabet, $ref, 1); } - return $ref_card; + return "$ref_card revision $revision"; } # Parameter: EEPROM bytes 0-127 (using 3-76) @@ -1539,7 +1541,7 @@ sub decode_ddr3_sdram($) (($bytes->[61] >> 4) & 15) +1)); printl("Module Width (mm)", ($bytes->[3] <= 2) ? 133.5 : ($bytes->[3] == 3) ? 67.6 : "TBD"); - printl("Module Reference Card", ddr3_reference_card($bytes->[62])); + printl("Module Reference Card", ddr3_reference_card($bytes->[62], $bytes->[60])); } if ($bytes->[3] == 1 || $bytes->[3] == 5) { |