Documentation/arch/powerpc/cpu_families.rst

   1 ============
   2 CPU Families
   3 ============
   4
   5 This document tries to summarise some of the different cpu families that exist
   6 and are supported by arch/powerpc.
   7
   8
   9 Book3S (aka sPAPR)
  10 ------------------
  11
  12 - Hash MMU (except 603 and e300)
  13 - Radix MMU (POWER9 and later)
  14 - Software loaded TLB (603 and e300)
  15 - Selectable Software loaded TLB in addition to hash MMU (755, 7450, e600)
  16 - Mix of 32 & 64 bit::
  17
  18    +--------------+                 +----------------+
  19    |  Old POWER   | --------------> | RS64 (threads) |
  20    +--------------+                 +----------------+
  21           |
  22           |
  23           v
  24    +--------------+                 +----------------+      +------+
  25    |     601      | --------------> |      603       | ---> | e300 |
  26    +--------------+                 +----------------+      +------+
  27           |                                 |
  28           |                                 |
  29           v                                 v
  30    +--------------+    +-----+      +----------------+      +-------+
  31    |     604      |    | 755 | <--- |    750 (G3)    | ---> | 750CX |
  32    +--------------+    +-----+      +----------------+      +-------+
  33           |                                 |                   |
  34           |                                 |                   |
  35           v                                 v                   v
  36    +--------------+                 +----------------+      +-------+
  37    | 620 (64 bit) |                 |      7400      |      | 750CL |
  38    +--------------+                 +----------------+      +-------+
  39           |                                 |                   |
  40           |                                 |                   |
  41           v                                 v                   v
  42    +--------------+                 +----------------+      +-------+
  43    |  POWER3/630  |                 |      7410      |      | 750FX |
  44    +--------------+                 +----------------+      +-------+
  45           |                                 |
  46           |                                 |
  47           v                                 v
  48    +--------------+                 +----------------+
  49    |   POWER3+    |                 |      7450      |
  50    +--------------+                 +----------------+
  51           |                                 |
  52           |                                 |
  53           v                                 v
  54    +--------------+                 +----------------+
  55    |    POWER4    |                 |      7455      |
  56    +--------------+                 +----------------+
  57           |                                 |
  58           |                                 |
  59           v                                 v
  60    +--------------+     +-------+   +----------------+
  61    |   POWER4+    | --> |  970  |   |      7447      |
  62    +--------------+     +-------+   +----------------+
  63           |                 |               |
  64           |                 |               |
  65           v                 v               v
  66    +--------------+     +-------+   +----------------+
  67    |    POWER5    |     | 970FX |   |      7448      |
  68    +--------------+     +-------+   +----------------+
  69           |                 |               |
  70           |                 |               |
  71           v                 v               v
  72    +--------------+     +-------+   +----------------+
  73    |   POWER5+    |     | 970MP |   |      e600      |
  74    +--------------+     +-------+   +----------------+
  75           |
  76           |
  77           v
  78    +--------------+
  79    |   POWER5++   |
  80    +--------------+
  81           |
  82           |
  83           v
  84    +--------------+       +-------+
  85    |    POWER6    | <-?-> | Cell  |
  86    +--------------+       +-------+
  87           |
  88           |
  89           v
  90    +--------------+
  91    |    POWER7    |
  92    +--------------+
  93           |
  94           |
  95           v
  96    +--------------+
  97    |   POWER7+    |
  98    +--------------+
  99           |
 100           |
 101           v
 102    +--------------+
 103    |    POWER8    |
 104    +--------------+
 105           |
 106           |
 107           v
 108    +--------------+
 109    |    POWER9    |
 110    +--------------+
 111           |
 112           |
 113           v
 114    +--------------+
 115    |   POWER10    |
 116    +--------------+
 117
 118
 119    +---------------+
 120    | PA6T (64 bit) |
 121    +---------------+
 122
 123
 124 IBM BookE
 125 ---------
 126
 127 - Software loaded TLB.
 128 - All 32 bit::
 129
 130    +--------------+
 131    |     440      |
 132    +--------------+
 133           |
 134           |
 135           v
 136    +--------------+     +----------------+
 137    |     450      | --> |      BG/P      |
 138    +--------------+     +----------------+
 139           |
 140           |
 141           v
 142    +--------------+
 143    |     460      |
 144    +--------------+
 145           |
 146           |
 147           v
 148    +--------------+
 149    |     476      |
 150    +--------------+
 151
 152
 153 Motorola/Freescale 8xx
 154 ----------------------
 155
 156 - Software loaded with hardware assist.
 157 - All 32 bit::
 158
 159    +-------------+
 160    | MPC8xx Core |
 161    +-------------+
 162
 163
 164 Freescale BookE
 165 ---------------
 166
 167 - Software loaded TLB.
 168 - e6500 adds HW loaded indirect TLB entries.
 169 - Mix of 32 & 64 bit::
 170
 171    +--------------+
 172    |     e200     |
 173    +--------------+
 174
 175
 176    +--------------------------------+
 177    |              e500              |
 178    +--------------------------------+
 179                    |
 180                    |
 181                    v
 182    +--------------------------------+
 183    |             e500v2             |
 184    +--------------------------------+
 185                    |
 186                    |
 187                    v
 188    +--------------------------------+
 189    |        e500mc (Book3e)         |
 190    +--------------------------------+
 191                    |
 192                    |
 193                    v
 194    +--------------------------------+
 195    |          e5500 (64 bit)        |
 196    +--------------------------------+
 197                    |
 198                    |
 199                    v
 200    +--------------------------------+
 201    | e6500 (HW TLB) (Multithreaded) |
 202    +--------------------------------+
 203
 204
 205 IBM A2 core
 206 -----------
 207
 208 - Book3E, software loaded TLB + HW loaded indirect TLB entries.
 209 - 64 bit::
 210
 211    +--------------+     +----------------+
 212    |   A2 core    | --> |      WSP       |
 213    +--------------+     +----------------+
 214            |
 215            |
 216            v
 217    +--------------+
 218    |     BG/Q     |
 219    +--------------+