diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/spd_tools/intel/lp4x/gen_spd.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/util/spd_tools/intel/lp4x/gen_spd.go b/util/spd_tools/intel/lp4x/gen_spd.go index acdc2657f1..2465815e49 100644 --- a/util/spd_tools/intel/lp4x/gen_spd.go +++ b/util/spd_tools/intel/lp4x/gen_spd.go @@ -494,6 +494,8 @@ const ( SPDIndexTAAMinFineOffset = 123 SPDIndexTCKMaxFineOffset = 124 SPDIndexTCKMinFineOffset = 125 + SPDIndexManufacturerPartNumberStartByte = 329 + SPDIndexManufacturerPartNumberEndByte = 348 /* SPD Byte Value */ @@ -549,6 +551,9 @@ const ( /* Write Latency Set A and Read Latency DBI-RD disabled. */ SPDValueReadWriteLatency = 0x00 + + /* As per JEDEC spec, unused digits of manufacturer part number are left as blank. */ + SPDValueManufacturerPartNumberBlank = 0x20 ) var SPDAttribTable = map[int]SPDAttribTableEntry { @@ -609,9 +614,19 @@ func writeSPDManifest(memParts *memParts, SPDDirName string) error { return ioutil.WriteFile(filepath.Join(SPDDirName, SPDManifestFileName), []byte(s), 0644) } +func isManufacturerPartNumberByte(index int) bool { + if index >= SPDIndexManufacturerPartNumberStartByte && index <= SPDIndexManufacturerPartNumberEndByte { + return true + } + return false +} + func getSPDByte(index int, memAttribs *memAttributes) byte { e, ok := SPDAttribTable[index] if ok == false { + if isManufacturerPartNumberByte(index) { + return SPDValueManufacturerPartNumberBlank + } return 0x00 } |