fork of 9front i guess
54f9b36720
Ori Bernstein had Sunrise Point-H USB 3.0 xHCI Controller that would mysteriously crash on the 5th ENABLESLOT command. This was reproducable by even just allocating slots in a loop right after init. It turns out, the 1.2 spec extended the Max Scratchpad Buffers in HCSPARAMS2 so our driver would not allocate enougth scratchpad buffers and controller firmware would crash once it went beyond our allocated scratchpad buffer array. This change also fixes: - ignore bits 16:31 in PAGESIZE register - preserve bits 10:31 in the CONFIG register - handle ADDESSDEV command failure (so it can be retried) |
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