18c2ecf20Sopenharmony_ci============ 28c2ecf20Sopenharmony_ciCPU Families 38c2ecf20Sopenharmony_ci============ 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ciThis document tries to summarise some of the different cpu families that exist 68c2ecf20Sopenharmony_ciand are supported by arch/powerpc. 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciBook3S (aka sPAPR) 108c2ecf20Sopenharmony_ci------------------ 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci- Hash MMU (except 603 and e300) 138c2ecf20Sopenharmony_ci- Software loaded TLB (603 and e300) 148c2ecf20Sopenharmony_ci- Selectable Software loaded TLB in addition to hash MMU (755, 7450, e600) 158c2ecf20Sopenharmony_ci- Mix of 32 & 64 bit:: 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci +--------------+ +----------------+ 188c2ecf20Sopenharmony_ci | Old POWER | --------------> | RS64 (threads) | 198c2ecf20Sopenharmony_ci +--------------+ +----------------+ 208c2ecf20Sopenharmony_ci | 218c2ecf20Sopenharmony_ci | 228c2ecf20Sopenharmony_ci v 238c2ecf20Sopenharmony_ci +--------------+ +----------------+ +------+ 248c2ecf20Sopenharmony_ci | 601 | --------------> | 603 | ---> | e300 | 258c2ecf20Sopenharmony_ci +--------------+ +----------------+ +------+ 268c2ecf20Sopenharmony_ci | | 278c2ecf20Sopenharmony_ci | | 288c2ecf20Sopenharmony_ci v v 298c2ecf20Sopenharmony_ci +--------------+ +-----+ +----------------+ +-------+ 308c2ecf20Sopenharmony_ci | 604 | | 755 | <--- | 750 (G3) | ---> | 750CX | 318c2ecf20Sopenharmony_ci +--------------+ +-----+ +----------------+ +-------+ 328c2ecf20Sopenharmony_ci | | | 338c2ecf20Sopenharmony_ci | | | 348c2ecf20Sopenharmony_ci v v v 358c2ecf20Sopenharmony_ci +--------------+ +----------------+ +-------+ 368c2ecf20Sopenharmony_ci | 620 (64 bit) | | 7400 | | 750CL | 378c2ecf20Sopenharmony_ci +--------------+ +----------------+ +-------+ 388c2ecf20Sopenharmony_ci | | | 398c2ecf20Sopenharmony_ci | | | 408c2ecf20Sopenharmony_ci v v v 418c2ecf20Sopenharmony_ci +--------------+ +----------------+ +-------+ 428c2ecf20Sopenharmony_ci | POWER3/630 | | 7410 | | 750FX | 438c2ecf20Sopenharmony_ci +--------------+ +----------------+ +-------+ 448c2ecf20Sopenharmony_ci | | 458c2ecf20Sopenharmony_ci | | 468c2ecf20Sopenharmony_ci v v 478c2ecf20Sopenharmony_ci +--------------+ +----------------+ 488c2ecf20Sopenharmony_ci | POWER3+ | | 7450 | 498c2ecf20Sopenharmony_ci +--------------+ +----------------+ 508c2ecf20Sopenharmony_ci | | 518c2ecf20Sopenharmony_ci | | 528c2ecf20Sopenharmony_ci v v 538c2ecf20Sopenharmony_ci +--------------+ +----------------+ 548c2ecf20Sopenharmony_ci | POWER4 | | 7455 | 558c2ecf20Sopenharmony_ci +--------------+ +----------------+ 568c2ecf20Sopenharmony_ci | | 578c2ecf20Sopenharmony_ci | | 588c2ecf20Sopenharmony_ci v v 598c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 608c2ecf20Sopenharmony_ci | POWER4+ | --> | 970 | | 7447 | 618c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 628c2ecf20Sopenharmony_ci | | | 638c2ecf20Sopenharmony_ci | | | 648c2ecf20Sopenharmony_ci v v v 658c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 668c2ecf20Sopenharmony_ci | POWER5 | | 970FX | | 7448 | 678c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 688c2ecf20Sopenharmony_ci | | | 698c2ecf20Sopenharmony_ci | | | 708c2ecf20Sopenharmony_ci v v v 718c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 728c2ecf20Sopenharmony_ci | POWER5+ | | 970MP | | e600 | 738c2ecf20Sopenharmony_ci +--------------+ +-------+ +----------------+ 748c2ecf20Sopenharmony_ci | 758c2ecf20Sopenharmony_ci | 768c2ecf20Sopenharmony_ci v 778c2ecf20Sopenharmony_ci +--------------+ 788c2ecf20Sopenharmony_ci | POWER5++ | 798c2ecf20Sopenharmony_ci +--------------+ 808c2ecf20Sopenharmony_ci | 818c2ecf20Sopenharmony_ci | 828c2ecf20Sopenharmony_ci v 838c2ecf20Sopenharmony_ci +--------------+ +-------+ 848c2ecf20Sopenharmony_ci | POWER6 | <-?-> | Cell | 858c2ecf20Sopenharmony_ci +--------------+ +-------+ 868c2ecf20Sopenharmony_ci | 878c2ecf20Sopenharmony_ci | 888c2ecf20Sopenharmony_ci v 898c2ecf20Sopenharmony_ci +--------------+ 908c2ecf20Sopenharmony_ci | POWER7 | 918c2ecf20Sopenharmony_ci +--------------+ 928c2ecf20Sopenharmony_ci | 938c2ecf20Sopenharmony_ci | 948c2ecf20Sopenharmony_ci v 958c2ecf20Sopenharmony_ci +--------------+ 968c2ecf20Sopenharmony_ci | POWER7+ | 978c2ecf20Sopenharmony_ci +--------------+ 988c2ecf20Sopenharmony_ci | 998c2ecf20Sopenharmony_ci | 1008c2ecf20Sopenharmony_ci v 1018c2ecf20Sopenharmony_ci +--------------+ 1028c2ecf20Sopenharmony_ci | POWER8 | 1038c2ecf20Sopenharmony_ci +--------------+ 1048c2ecf20Sopenharmony_ci 1058c2ecf20Sopenharmony_ci 1068c2ecf20Sopenharmony_ci +---------------+ 1078c2ecf20Sopenharmony_ci | PA6T (64 bit) | 1088c2ecf20Sopenharmony_ci +---------------+ 1098c2ecf20Sopenharmony_ci 1108c2ecf20Sopenharmony_ci 1118c2ecf20Sopenharmony_ciIBM BookE 1128c2ecf20Sopenharmony_ci--------- 1138c2ecf20Sopenharmony_ci 1148c2ecf20Sopenharmony_ci- Software loaded TLB. 1158c2ecf20Sopenharmony_ci- All 32 bit:: 1168c2ecf20Sopenharmony_ci 1178c2ecf20Sopenharmony_ci +--------------+ 1188c2ecf20Sopenharmony_ci | 401 | 1198c2ecf20Sopenharmony_ci +--------------+ 1208c2ecf20Sopenharmony_ci | 1218c2ecf20Sopenharmony_ci | 1228c2ecf20Sopenharmony_ci v 1238c2ecf20Sopenharmony_ci +--------------+ 1248c2ecf20Sopenharmony_ci | 403 | 1258c2ecf20Sopenharmony_ci +--------------+ 1268c2ecf20Sopenharmony_ci | 1278c2ecf20Sopenharmony_ci | 1288c2ecf20Sopenharmony_ci v 1298c2ecf20Sopenharmony_ci +--------------+ 1308c2ecf20Sopenharmony_ci | 405 | 1318c2ecf20Sopenharmony_ci +--------------+ 1328c2ecf20Sopenharmony_ci | 1338c2ecf20Sopenharmony_ci | 1348c2ecf20Sopenharmony_ci v 1358c2ecf20Sopenharmony_ci +--------------+ 1368c2ecf20Sopenharmony_ci | 440 | 1378c2ecf20Sopenharmony_ci +--------------+ 1388c2ecf20Sopenharmony_ci | 1398c2ecf20Sopenharmony_ci | 1408c2ecf20Sopenharmony_ci v 1418c2ecf20Sopenharmony_ci +--------------+ +----------------+ 1428c2ecf20Sopenharmony_ci | 450 | --> | BG/P | 1438c2ecf20Sopenharmony_ci +--------------+ +----------------+ 1448c2ecf20Sopenharmony_ci | 1458c2ecf20Sopenharmony_ci | 1468c2ecf20Sopenharmony_ci v 1478c2ecf20Sopenharmony_ci +--------------+ 1488c2ecf20Sopenharmony_ci | 460 | 1498c2ecf20Sopenharmony_ci +--------------+ 1508c2ecf20Sopenharmony_ci | 1518c2ecf20Sopenharmony_ci | 1528c2ecf20Sopenharmony_ci v 1538c2ecf20Sopenharmony_ci +--------------+ 1548c2ecf20Sopenharmony_ci | 476 | 1558c2ecf20Sopenharmony_ci +--------------+ 1568c2ecf20Sopenharmony_ci 1578c2ecf20Sopenharmony_ci 1588c2ecf20Sopenharmony_ciMotorola/Freescale 8xx 1598c2ecf20Sopenharmony_ci---------------------- 1608c2ecf20Sopenharmony_ci 1618c2ecf20Sopenharmony_ci- Software loaded with hardware assist. 1628c2ecf20Sopenharmony_ci- All 32 bit:: 1638c2ecf20Sopenharmony_ci 1648c2ecf20Sopenharmony_ci +-------------+ 1658c2ecf20Sopenharmony_ci | MPC8xx Core | 1668c2ecf20Sopenharmony_ci +-------------+ 1678c2ecf20Sopenharmony_ci 1688c2ecf20Sopenharmony_ci 1698c2ecf20Sopenharmony_ciFreescale BookE 1708c2ecf20Sopenharmony_ci--------------- 1718c2ecf20Sopenharmony_ci 1728c2ecf20Sopenharmony_ci- Software loaded TLB. 1738c2ecf20Sopenharmony_ci- e6500 adds HW loaded indirect TLB entries. 1748c2ecf20Sopenharmony_ci- Mix of 32 & 64 bit:: 1758c2ecf20Sopenharmony_ci 1768c2ecf20Sopenharmony_ci +--------------+ 1778c2ecf20Sopenharmony_ci | e200 | 1788c2ecf20Sopenharmony_ci +--------------+ 1798c2ecf20Sopenharmony_ci 1808c2ecf20Sopenharmony_ci 1818c2ecf20Sopenharmony_ci +--------------------------------+ 1828c2ecf20Sopenharmony_ci | e500 | 1838c2ecf20Sopenharmony_ci +--------------------------------+ 1848c2ecf20Sopenharmony_ci | 1858c2ecf20Sopenharmony_ci | 1868c2ecf20Sopenharmony_ci v 1878c2ecf20Sopenharmony_ci +--------------------------------+ 1888c2ecf20Sopenharmony_ci | e500v2 | 1898c2ecf20Sopenharmony_ci +--------------------------------+ 1908c2ecf20Sopenharmony_ci | 1918c2ecf20Sopenharmony_ci | 1928c2ecf20Sopenharmony_ci v 1938c2ecf20Sopenharmony_ci +--------------------------------+ 1948c2ecf20Sopenharmony_ci | e500mc (Book3e) | 1958c2ecf20Sopenharmony_ci +--------------------------------+ 1968c2ecf20Sopenharmony_ci | 1978c2ecf20Sopenharmony_ci | 1988c2ecf20Sopenharmony_ci v 1998c2ecf20Sopenharmony_ci +--------------------------------+ 2008c2ecf20Sopenharmony_ci | e5500 (64 bit) | 2018c2ecf20Sopenharmony_ci +--------------------------------+ 2028c2ecf20Sopenharmony_ci | 2038c2ecf20Sopenharmony_ci | 2048c2ecf20Sopenharmony_ci v 2058c2ecf20Sopenharmony_ci +--------------------------------+ 2068c2ecf20Sopenharmony_ci | e6500 (HW TLB) (Multithreaded) | 2078c2ecf20Sopenharmony_ci +--------------------------------+ 2088c2ecf20Sopenharmony_ci 2098c2ecf20Sopenharmony_ci 2108c2ecf20Sopenharmony_ciIBM A2 core 2118c2ecf20Sopenharmony_ci----------- 2128c2ecf20Sopenharmony_ci 2138c2ecf20Sopenharmony_ci- Book3E, software loaded TLB + HW loaded indirect TLB entries. 2148c2ecf20Sopenharmony_ci- 64 bit:: 2158c2ecf20Sopenharmony_ci 2168c2ecf20Sopenharmony_ci +--------------+ +----------------+ 2178c2ecf20Sopenharmony_ci | A2 core | --> | WSP | 2188c2ecf20Sopenharmony_ci +--------------+ +----------------+ 2198c2ecf20Sopenharmony_ci | 2208c2ecf20Sopenharmony_ci | 2218c2ecf20Sopenharmony_ci v 2228c2ecf20Sopenharmony_ci +--------------+ 2238c2ecf20Sopenharmony_ci | BG/Q | 2248c2ecf20Sopenharmony_ci +--------------+ 225