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authorVadim Bendebury <vbendeb@chromium.org>2012-08-27 11:19:55 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-11-08 20:21:19 +0100
commitd0b860aada4c2016c5928c5847d8226cbd0840fc (patch)
tree144bb85a85b30151ee89648524a18ffe7a6b83e3 /src/northbridge
parent0af03d24f816ae1e7f1610cf40d6a23c32dbd470 (diff)
Add utility for parsing/modifying DTD array
Detailed timing descriptor (DTD) is an 18 byte array describing video mode (screen resolution, display properties, etc.) in Intel Option ROM. Option ROM can support multiple video modes, specific mode is picked by the BIOS through the appropriate Option ROM callback function. The new utility allows to interpret the 18 byte hex DTD dump, and/or modify certain values, and generate a new DTD. To parse the DTD contents just pass the 18 bytes to the utility in the command line. To modify the existing contents and generate a new dump precede the 18 bytes with '-m' and follow prompts. Change-Id: Ib00bdaf42c350b98b5a48d08e6bb347b5ec25a8b Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/1711 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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