[mirror_ubuntu-bionic-kernel.git] / Documentation / powerpc / cpu_families.txt

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
91a6151b ME	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	+--------------+