Hi, On Mon, 2012-04-09 at 12:41 +0530, Archit Taneja wrote: > This reverts commit 46f8c3c7e95c0d30d95911e7975ddc4f93b3e237. > > The commit above swapped the DSI1_PPID and DSI2_PPID register fields in > CONTROL_DSIPHY to be in sync with the newer public OMAP TRMs(after version V). > > With this commit, contention errors were reported on DSI lanes some OMAP4 > SDPs. > After probing the DSI lanes on OMAP4 SDP, it was seen that setting bits in the > DSI2_PPID field was pulling up voltage on DSI1 lanes, and DSI1_PPID field was > pulling up voltage on DSI2 lanes. > > This proves that the current version of OMAP4 TRM is incorrect, swap the > position of register fields according to the older TRM versions as they were > correct.
Are we sure the bits are the same for all OMAP4 versions? I'm just wondering why the change was made to TRM... Tomi
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