Lines Matching full:u2

5 **	Program U2/Uturn in "Virtual Mode" and use the I/O MMU.
11 **  "Real Mode" operation refers to U2/Uturn chip operation.
12 **  U2/Uturn were designed to perform coherency checks w/o using
16 **	o outbound DMA is slower - U2 won't prefetch data (GSC+ XQL signal).
17 **      o Inbound DMA less efficient - U2 can't use DMA_FAST attribute.
474 **   This bit tells U2 to do R/M/W for partial cachelines. "Streaming"
480 **   According to the U2 ERS, STOP_MOST enabled pages hurt performance.
501 #define HINT_UDPATE_ENB 0x08UL  /* not used/supported by U2 */
599 	** the real mode coherence index generation of U2, the PDIR entry  in ccio_io_pdir_entry()
1175 /* GRANT -  is this needed for U2 or not? */
1180 ** If spa_shift is non-zero (ie probably U2),
1184 ** and execute it. However, both U2 and Uturn firmware supplies spa_shift.
1204 	{ HPHW_IOA, HVERSION_REV_ANY_ID, U2_IOA_RUNWAY, 0xb }, /* U2 */
1223  * U2/Uturn chip into virtual mode.
1527 	ioc->name = dev->id.hversion == U2_IOA_RUNWAY ? "U2" : "UTurn";  in ccio_probe()