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author | Francis Rowe <info@gluglug.org.uk> | 2014-12-25 21:02:55 (EST) |
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committer | Francis Rowe <info@gluglug.org.uk> | 2014-12-25 21:02:55 (EST) |
commit | f78d26669bb8d88853a5df332bf10ff9d3734ca4 (patch) | |
tree | 27ffaabc1522234fb112f6dc5a916c46394c86da /resources/utilities/ich9deblob/src/gbe | |
parent | e9221449fe1ed47fa574481a16d80609e6b9cd3a (diff) | |
download | libreboot-f78d26669bb8d88853a5df332bf10ff9d3734ca4.zip libreboot-f78d26669bb8d88853a5df332bf10ff9d3734ca4.tar.gz libreboot-f78d26669bb8d88853a5df332bf10ff9d3734ca4.tar.bz2 |
ich9deblob: gbe struct: more info about word 08-09 (pba low/high)
Diffstat (limited to 'resources/utilities/ich9deblob/src/gbe')
-rw-r--r-- | resources/utilities/ich9deblob/src/gbe/gbe.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/resources/utilities/ich9deblob/src/gbe/gbe.h b/resources/utilities/ich9deblob/src/gbe/gbe.h index 00c8094..ac2a504 100644 --- a/resources/utilities/ich9deblob/src/gbe/gbe.h +++ b/resources/utilities/ich9deblob/src/gbe/gbe.h @@ -79,8 +79,25 @@ struct GBEREGIONRECORD_4K { unsigned short reservedWord04h; /* Reserved word 04: set it to 0xFFFF (according to datasheet) */ unsigned short reservedWord05h; /* Reserved word 05: 83 10 (little endian) in my deblobbed_descriptor.bin. Set this to 0x1083 (in C, assuming little endian byte order). "cannot be changed" according to datasheet */ unsigned short reservedWords06h07h[2]; /* Reserved words 06-07: set both to 0xFFFF (according to datasheet) */ - unsigned short pbaLow; - unsigned short pbaHigh; + + /* + * Word 08 and 09 (pba low and pba high): + * + * Both of these should be set to 0xFFFF by default, according to the datasheet. + * "nine digit printed board assembly (PBA) number" for intel cards to be stored + * in a 4 byte (read: 2 word) field. + * + * Example: if pba number is 123456-003, then word 08 should be 1234h and word 09 becomes 5603. + * Note: 1234 and 5603 above are big endian. In the image it would actually be 34 12 and 0356 + * + * Example: in mine it was (in the image): 08 10 FF FF. That becomes 1008h and FFFFh, or + * basically: 1008FF-0FF. The same was observed in another. + * + * Setting it to FF FF FF FF should be fine, according to the datasheet. + */ + unsigned short pbaLow; /* Word 08 */ + unsigned short pbaHigh; /* Word 09 */ + unsigned short pciInitializationControlWord; unsigned short subsystemId; unsigned short subsystemVendorId; |