Documentation/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
  13 - Mix of 32 & 64 bit::
  14
  15    +--------------+                 +----------------+
  16    |  Old POWER   | --------------> | RS64 (threads) |
  17    +--------------+                 +----------------+
  18           |
  19           |
  20           v
  21    +--------------+                 +----------------+      +------+
  22    |     601      | --------------> |      603       | ---> | e300 |
  23    +--------------+                 +----------------+      +------+
  24           |                                 |
  25           |                                 |
  26           v                                 v
  27    +--------------+                 +----------------+      +-------+
  28    |     604      |                 |    750 (G3)    | ---> | 750CX |
  29    +--------------+                 +----------------+      +-------+
  30           |                                 |                   |
  31           |                                 |                   |
  32           v                                 v                   v
  33    +--------------+                 +----------------+      +-------+
  34    | 620 (64 bit) |                 |      7400      |      | 750CL |
  35    +--------------+                 +----------------+      +-------+
  36           |                                 |                   |
  37           |                                 |                   |
  38           v                                 v                   v
  39    +--------------+                 +----------------+      +-------+
  40    |  POWER3/630  |                 |      7410      |      | 750FX |
  41    +--------------+                 +----------------+      +-------+
  42           |                                 |
  43           |                                 |
  44           v                                 v
  45    +--------------+                 +----------------+
  46    |   POWER3+    |                 |      7450      |
  47    +--------------+                 +----------------+
  48           |                                 |
  49           |                                 |
  50           v                                 v
  51    +--------------+                 +----------------+
  52    |    POWER4    |                 |      7455      |
  53    +--------------+                 +----------------+
  54           |                                 |
  55           |                                 |
  56           v                                 v
  57    +--------------+     +-------+   +----------------+
  58    |   POWER4+    | --> |  970  |   |      7447      |
  59    +--------------+     +-------+   +----------------+
  60           |                 |               |
  61           |                 |               |
  62           v                 v               v
  63    +--------------+     +-------+   +----------------+
  64    |    POWER5    |     | 970FX |   |      7448      |
  65    +--------------+     +-------+   +----------------+
  66           |                 |               |
  67           |                 |               |
  68           v                 v               v
  69    +--------------+     +-------+   +----------------+
  70    |   POWER5+    |     | 970MP |   |      e600      |
  71    +--------------+     +-------+   +----------------+
  72           |
  73           |
  74           v
  75    +--------------+
  76    |   POWER5++   |
  77    +--------------+
  78           |
  79           |
  80           v
  81    +--------------+       +-------+
  82    |    POWER6    | <-?-> | Cell  |
  83    +--------------+       +-------+
  84           |
  85           |
  86           v
  87    +--------------+
  88    |    POWER7    |
  89    +--------------+
  90           |
  91           |
  92           v
  93    +--------------+
  94    |   POWER7+    |
  95    +--------------+
  96           |
  97           |
  98           v
  99    +--------------+
 100    |    POWER8    |
 101    +--------------+
 102
 103
 104    +---------------+
 105    | PA6T (64 bit) |
 106    +---------------+
 107
 108
 109 IBM BookE
 110 ---------
 111
 112 - Software loaded TLB.
 113 - All 32 bit::
 114
 115    +--------------+
 116    |     401      |
 117    +--------------+
 118           |
 119           |
 120           v
 121    +--------------+
 122    |     403      |
 123    +--------------+
 124           |
 125           |
 126           v
 127    +--------------+
 128    |     405      |
 129    +--------------+
 130           |
 131           |
 132           v
 133    +--------------+
 134    |     440      |
 135    +--------------+
 136           |
 137           |
 138           v
 139    +--------------+     +----------------+
 140    |     450      | --> |      BG/P      |
 141    +--------------+     +----------------+
 142           |
 143           |
 144           v
 145    +--------------+
 146    |     460      |
 147    +--------------+
 148           |
 149           |
 150           v
 151    +--------------+
 152    |     476      |
 153    +--------------+
 154
 155
 156 Motorola/Freescale 8xx
 157 ----------------------
 158
 159 - Software loaded with hardware assist.
 160 - All 32 bit::
 161
 162    +-------------+
 163    | MPC8xx Core |
 164    +-------------+
 165
 166
 167 Freescale BookE
 168 ---------------
 169
 170 - Software loaded TLB.
 171 - e6500 adds HW loaded indirect TLB entries.
 172 - Mix of 32 & 64 bit::
 173
 174    +--------------+
 175    |     e200     |
 176    +--------------+
 177
 178
 179    +--------------------------------+
 180    |              e500              |
 181    +--------------------------------+
 182                    |
 183                    |
 184                    v
 185    +--------------------------------+
 186    |             e500v2             |
 187    +--------------------------------+
 188                    |
 189                    |
 190                    v
 191    +--------------------------------+
 192    |        e500mc (Book3e)         |
 193    +--------------------------------+
 194                    |
 195                    |
 196                    v
 197    +--------------------------------+
 198    |          e5500 (64 bit)        |
 199    +--------------------------------+
 200                    |
 201                    |
 202                    v
 203    +--------------------------------+
 204    | e6500 (HW TLB) (Multithreaded) |
 205    +--------------------------------+
 206
 207
 208 IBM A2 core
 209 -----------
 210
 211 - Book3E, software loaded TLB + HW loaded indirect TLB entries.
 212 - 64 bit::
 213
 214    +--------------+     +----------------+
 215    |   A2 core    | --> |      WSP       |
 216    +--------------+     +----------------+
 217            |
 218            |
 219            v
 220    +--------------+
 221    |     BG/Q     |
 222    +--------------+