Documentation/powerpc/cpu_families.txt

   1 CPU Families
   2 ============
   3
   4 This document tries to summarise some of the different cpu families that exist
   5 and are supported by arch/powerpc.
   6
   7
   8 Book3S (aka sPAPR)
   9 ------------------
  10
  11  - Hash MMU
  12  - Mix of 32 & 64 bit
  13
  14    +--------------+                 +----------------+
  15    |  Old POWER   | --------------> | RS64 (threads) |
  16    +--------------+                 +----------------+
  17           |
  18           |
  19           v
  20    +--------------+                 +----------------+      +------+
  21    |     601      | --------------> |      603       | ---> | e300 |
  22    +--------------+                 +----------------+      +------+
  23           |                                 |
  24           |                                 |
  25           v                                 v
  26    +--------------+                 +----------------+      +-------+
  27    |     604      |                 |    750 (G3)    | ---> | 750CX |
  28    +--------------+                 +----------------+      +-------+
  29           |                                 |                   |
  30           |                                 |                   |
  31           v                                 v                   v
  32    +--------------+                 +----------------+      +-------+
  33    | 620 (64 bit) |                 |      7400      |      | 750CL |
  34    +--------------+                 +----------------+      +-------+
  35           |                                 |                   |
  36           |                                 |                   |
  37           v                                 v                   v
  38    +--------------+                 +----------------+      +-------+
  39    |  POWER3/630  |                 |      7410      |      | 750FX |
  40    +--------------+                 +----------------+      +-------+
  41           |                                 |
  42           |                                 |
  43           v                                 v
  44    +--------------+                 +----------------+
  45    |   POWER3+    |                 |      7450      |
  46    +--------------+                 +----------------+
  47           |                                 |
  48           |                                 |
  49           v                                 v
  50    +--------------+                 +----------------+
  51    |    POWER4    |                 |      7455      |
  52    +--------------+                 +----------------+
  53           |                                 |
  54           |                                 |
  55           v                                 v
  56    +--------------+     +-------+   +----------------+
  57    |   POWER4+    | --> |  970  |   |      7447      |
  58    +--------------+     +-------+   +----------------+
  59           |                 |               |
  60           |                 |               |
  61           v                 v               v
  62    +--------------+     +-------+   +----------------+
  63    |    POWER5    |     | 970FX |   |      7448      |
  64    +--------------+     +-------+   +----------------+
  65           |                 |               |
  66           |                 |               |
  67           v                 v               v
  68    +--------------+     +-------+   +----------------+
  69    |   POWER5+    |     | 970MP |   |      e600      |
  70    +--------------+     +-------+   +----------------+
  71           |
  72           |
  73           v
  74    +--------------+
  75    |   POWER5++   |
  76    +--------------+
  77           |
  78           |
  79           v
  80    +--------------+       +-------+
  81    |    POWER6    | <-?-> | Cell  |
  82    +--------------+       +-------+
  83           |
  84           |
  85           v
  86    +--------------+
  87    |    POWER7    |
  88    +--------------+
  89           |
  90           |
  91           v
  92    +--------------+
  93    |   POWER7+    |
  94    +--------------+
  95           |
  96           |
  97           v
  98    +--------------+
  99    |    POWER8    |
 100    +--------------+
 101
 102
 103    +---------------+
 104    | PA6T (64 bit) |
 105    +---------------+
 106
 107
 108 IBM BookE
 109 ---------
 110
 111  - Software loaded TLB.
 112  - All 32 bit
 113
 114    +--------------+
 115    |     401      |
 116    +--------------+
 117           |
 118           |
 119           v
 120    +--------------+
 121    |     403      |
 122    +--------------+
 123           |
 124           |
 125           v
 126    +--------------+
 127    |     405      |
 128    +--------------+
 129           |
 130           |
 131           v
 132    +--------------+
 133    |     440      |
 134    +--------------+
 135           |
 136           |
 137           v
 138    +--------------+     +----------------+
 139    |     450      | --> |      BG/P      |
 140    +--------------+     +----------------+
 141           |
 142           |
 143           v
 144    +--------------+
 145    |     460      |
 146    +--------------+
 147           |
 148           |
 149           v
 150    +--------------+
 151    |     476      |
 152    +--------------+
 153
 154
 155 Motorola/Freescale 8xx
 156 ----------------------
 157
 158  - Software loaded with hardware assist.
 159  - All 32 bit
 160
 161    +-------------+
 162    | MPC8xx Core |
 163    +-------------+
 164
 165
 166 Freescale BookE
 167 ---------------
 168
 169  - Software loaded TLB.
 170  - e6500 adds HW loaded indirect TLB entries.
 171  - Mix of 32 & 64 bit
 172
 173    +--------------+
 174    |     e200     |
 175    +--------------+
 176
 177
 178    +--------------------------------+
 179    |              e500              |
 180    +--------------------------------+
 181                    |
 182                    |
 183                    v
 184    +--------------------------------+
 185    |             e500v2             |
 186    +--------------------------------+
 187                    |
 188                    |
 189                    v
 190    +--------------------------------+
 191    |        e500mc (Book3e)         |
 192    +--------------------------------+
 193                    |
 194                    |
 195                    v
 196    +--------------------------------+
 197    |          e5500 (64 bit)        |
 198    +--------------------------------+
 199                    |
 200                    |
 201                    v
 202    +--------------------------------+
 203    | e6500 (HW TLB) (Multithreaded) |
 204    +--------------------------------+
 205
 206
 207 IBM A2 core
 208 -----------
 209
 210  - Book3E, software loaded TLB + HW loaded indirect TLB entries.
 211  - 64 bit
 212
 213    +--------------+     +----------------+
 214    |   A2 core    | --> |      WSP       |
 215    +--------------+     +----------------+
 216            |
 217            |
 218            v
 219    +--------------+
 220    |     BG/Q     |
 221    +--------------+