Lines Matching full:u2
5 ** Program U2/Uturn in "Virtual Mode" and use the I/O MMU.
13 ** "Real Mode" operation refers to U2/Uturn chip operation.
14 ** U2/Uturn were designed to perform coherency checks w/o using
24 ** o outbound DMA is slower - U2 won't prefetch data (GSC+ XQL signal).
25 ** o Inbound DMA less efficient - U2 can't use DMA_FAST attribute.
484 ** This bit tells U2 to do R/M/W for partial cachelines. "Streaming"
490 ** According to the U2 ERS, STOP_MOST enabled pages hurt performance.
511 #define HINT_UDPATE_ENB 0x08UL /* not used/supported by U2 */
609 ** the real mode coherence index generation of U2, the PDIR entry in ccio_io_pdir_entry()
1179 /* GRANT - is this needed for U2 or not? */
1184 ** If spa_shift is non-zero (ie probably U2),
1188 ** and execute it. However, both U2 and Uturn firmware supplies spa_shift.
1208 { HPHW_IOA, HVERSION_REV_ANY_ID, U2_IOA_RUNWAY, 0xb }, /* U2 */
1227 * U2/Uturn chip into virtual mode.
1531 ioc->name = dev->id.hversion == U2_IOA_RUNWAY ? "U2" : "UTurn"; in ccio_probe()