From: Stephen Horvath <s.horvath@xxxxxxxxxxxxxx>
Decode that extra manufacturer information that was mentioned earlier,
but only the info that is common between all DDR5 memory modules.
Also the physical size is here too.
Signed-off-by: Stephen Horvath <s.horvath@xxxxxxxxxxxxxx>
---
eeprom/decode-dimms | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index 4a19e962cd1f837ccdb6660caa8d198f65e3fc4f..f36af056a480d429203abc7e0dfda3751027948b 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -2350,6 +2350,42 @@ sub decode_ddr5_sdram($)
printl("Thermal Sensor",
$bytes->[14] & 0x08 ? "Supported" : "No");
+
+# common module information
+ prints("Common Information");
+
+ my $spd_info_rev = $bytes->[192];
+ printl("SPD Module Info Revision", ($spd_info_rev >> 4) . "." . ($spd_info_rev & 0xf));
+
+ printl_cond($bytes->[196] & 0x80,
+ "SPD Manufacturer",
+ manufacturer_ddr3($bytes->[194], $bytes->[195]));
+ printl_cond($bytes->[200] & 0x80,
+ "PMIC0 Manufacturer",
+ manufacturer_ddr3($bytes->[198], $bytes->[199]));
+ printl_cond($bytes->[204] & 0x80,
+ "PMIC1 Manufacturer",
+ manufacturer_ddr3($bytes->[202], $bytes->[203]));
+ printl_cond($bytes->[208] & 0x80,
+ "PMIC2 Manufacturer",
+ manufacturer_ddr3($bytes->[206], $bytes->[207]));
+ printl_cond($bytes->[212] & 0xC0,
+ "Thermal Sensors Manufacturer",
+ manufacturer_ddr3($bytes->[210], $bytes->[211]));
+
+ prints("Physical Characteristics");
+
+ my $height = $bytes->[230] & 0x1f;
+ printl("Module Height",
+ $height == 0x00 ? "15 mm or less" :
+ $height == 0x1f ? "more than 45 mm" :
+ sprintf("%u mm", $height + 15));
+ printl("Module Thickness",
+ sprintf("%d mm front, %d mm back",
+ ($bytes->[231] & 0x0f) + 1,
+ (($bytes->[231] >> 4) & 15) + 1));
+ printl("Module Reference Card",
+ ddr3_reference_card($bytes->[232], $bytes->[232]));
}
# Parameter: EEPROM bytes 0-127 (using 4-5)
--
2.45.2
