[linux-2.6-block.git] / Documentation / powerpc / cpu_families.rst

============
CPU Families
============

This document tries to summarise some of the different cpu families that exist
and are supported by arch/powerpc.


Book3S (aka sPAPR)
------------------

- Hash MMU
- Mix of 32 & 64 bit::

   +--------------+                 +----------------+
   |  Old POWER   | --------------> | RS64 (threads) |
   +--------------+                 +----------------+
          |
          |
          v
   +--------------+                 +----------------+      +------+
   |     601      | --------------> |      603       | ---> | e300 |
   +--------------+                 +----------------+      +------+
          |                                 |
          |                                 |
          v                                 v
   +--------------+                 +----------------+      +-------+
   |     604      |                 |    750 (G3)    | ---> | 750CX |
   +--------------+                 +----------------+      +-------+
          |                                 |                   |
          |                                 |                   |
          v                                 v                   v
   +--------------+                 +----------------+      +-------+
   | 620 (64 bit) |                 |      7400      |      | 750CL |
   +--------------+                 +----------------+      +-------+
          |                                 |                   |
          |                                 |                   |
          v                                 v                   v
   +--------------+                 +----------------+      +-------+
   |  POWER3/630  |                 |      7410      |      | 750FX |
   +--------------+                 +----------------+      +-------+
          |                                 |
          |                                 |
          v                                 v
   +--------------+                 +----------------+
   |   POWER3+    |                 |      7450      |
   +--------------+                 +----------------+
          |                                 |
          |                                 |
          v                                 v
   +--------------+                 +----------------+
   |    POWER4    |                 |      7455      |
   +--------------+                 +----------------+
          |                                 |
          |                                 |
          v                                 v
   +--------------+     +-------+   +----------------+
   |   POWER4+    | --> |  970  |   |      7447      |
   +--------------+     +-------+   +----------------+
          |                 |               |
          |                 |               |
          v                 v               v
   +--------------+     +-------+   +----------------+
   |    POWER5    |     | 970FX |   |      7448      |
   +--------------+     +-------+   +----------------+
          |                 |               |
          |                 |               |
          v                 v               v
   +--------------+     +-------+   +----------------+
   |   POWER5+    |     | 970MP |   |      e600      |
   +--------------+     +-------+   +----------------+
          |
          |
          v
   +--------------+
   |   POWER5++   |
   +--------------+
          |
          |
          v
   +--------------+       +-------+
   |    POWER6    | <-?-> | Cell  |
   +--------------+       +-------+
          |
          |
          v
   +--------------+
   |    POWER7    |
   +--------------+
          |
          |
          v
   +--------------+
   |   POWER7+    |
   +--------------+
          |
          |
          v
   +--------------+
   |    POWER8    |
   +--------------+


   +---------------+
   | PA6T (64 bit) |
   +---------------+


IBM BookE
---------

- Software loaded TLB.
- All 32 bit::

   +--------------+
   |     401      |
   +--------------+
          |
          |
          v
   +--------------+
   |     403      |
   +--------------+
          |
          |
          v
   +--------------+
   |     405      |
   +--------------+
          |
          |
          v
   +--------------+
   |     440      |
   +--------------+
          |
          |
          v
   +--------------+     +----------------+
   |     450      | --> |      BG/P      |
   +--------------+     +----------------+
          |
          |
          v
   +--------------+
   |     460      |
   +--------------+
          |
          |
          v
   +--------------+
   |     476      |
   +--------------+


Motorola/Freescale 8xx
----------------------

- Software loaded with hardware assist.
- All 32 bit::

   +-------------+
   | MPC8xx Core |
   +-------------+


Freescale BookE
---------------

- Software loaded TLB.
- e6500 adds HW loaded indirect TLB entries.
- Mix of 32 & 64 bit::

   +--------------+
   |     e200     |
   +--------------+


   +--------------------------------+
   |              e500              |
   +--------------------------------+
                   |
                   |
                   v
   +--------------------------------+
   |             e500v2             |
   +--------------------------------+
                   |
                   |
                   v
   +--------------------------------+
   |        e500mc (Book3e)         |
   +--------------------------------+
                   |
                   |
                   v
   +--------------------------------+
   |          e5500 (64 bit)        |
   +--------------------------------+
                   |
                   |
                   v
   +--------------------------------+
   | e6500 (HW TLB) (Multithreaded) |
   +--------------------------------+


IBM A2 core
-----------

- Book3E, software loaded TLB + HW loaded indirect TLB entries.
- 64 bit::

   +--------------+     +----------------+
   |   A2 core    | --> |      WSP       |
   +--------------+     +----------------+
           |
           |
           v
   +--------------+
   |     BG/Q     |
   +--------------+
Commit	Line	Data
4d2e26a3	1	============
91a6151b ME	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
4d2e26a3 MCC	12	- Hash MMU
4d2e26a3 MCC	13	- Mix of 32 & 64 bit::
91a6151b ME	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
4d2e26a3 MCC	112	- Software loaded TLB.
4d2e26a3 MCC	113	- All 32 bit::
91a6151b ME	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
4d2e26a3 MCC	159	- Software loaded with hardware assist.
4d2e26a3 MCC	160	- All 32 bit::
91a6151b ME	161
	162	+-------------+
	163	\| MPC8xx Core \|
	164	+-------------+
	165
	166
	167	Freescale BookE
	168	---------------
	169
4d2e26a3 MCC	170	- Software loaded TLB.
	171	- e6500 adds HW loaded indirect TLB entries.
	172	- Mix of 32 & 64 bit::
91a6151b ME	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
4d2e26a3 MCC	211	- Book3E, software loaded TLB + HW loaded indirect TLB entries.
4d2e26a3 MCC	212	- 64 bit::
91a6151b ME	213
	214	+--------------+ +----------------+
	215	\| A2 core \| --> \| WSP \|
	216	+--------------+ +----------------+
	217	\|
	218	\|
	219	v
	220	+--------------+
	221	\| BG/Q \|
	222	+--------------+