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Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -03001============
Michael Ellerman91a61512014-05-26 21:44:25 +10002CPU Families
3============
4
5This document tries to summarise some of the different cpu families that exist
6and are supported by arch/powerpc.
7
8
9Book3S (aka sPAPR)
10------------------
11
Christophe Leroy7d38f082020-07-02 14:09:21 +000012- Hash MMU (except 603 and e300)
Nicholas Miehlbradtaddebe12022-08-10 04:03:21 +000013- Radix MMU (POWER9 and later)
Christophe Leroy7d38f082020-07-02 14:09:21 +000014- Software loaded TLB (603 and e300)
15- Selectable Software loaded TLB in addition to hash MMU (755, 7450, e600)
Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -030016- Mix of 32 & 64 bit::
Michael Ellerman91a61512014-05-26 21:44:25 +100017
18 +--------------+ +----------------+
19 | Old POWER | --------------> | RS64 (threads) |
20 +--------------+ +----------------+
21 |
22 |
23 v
24 +--------------+ +----------------+ +------+
25 | 601 | --------------> | 603 | ---> | e300 |
26 +--------------+ +----------------+ +------+
27 | |
28 | |
29 v v
Christophe Leroy7d38f082020-07-02 14:09:21 +000030 +--------------+ +-----+ +----------------+ +-------+
31 | 604 | | 755 | <--- | 750 (G3) | ---> | 750CX |
32 +--------------+ +-----+ +----------------+ +-------+
Michael Ellerman91a61512014-05-26 21:44:25 +100033 | | |
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 +--------------+
Nicholas Miehlbradtaddebe12022-08-10 04:03:21 +0000105 |
106 |
107 v
108 +--------------+
109 | POWER9 |
110 +--------------+
111 |
112 |
113 v
114 +--------------+
115 | POWER10 |
116 +--------------+
Michael Ellerman91a61512014-05-26 21:44:25 +1000117
118
119 +---------------+
120 | PA6T (64 bit) |
121 +---------------+
122
123
124IBM BookE
125---------
126
Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -0300127- Software loaded TLB.
128- All 32 bit::
Michael Ellerman91a61512014-05-26 21:44:25 +1000129
130 +--------------+
131 | 401 |
132 +--------------+
133 |
134 |
135 v
136 +--------------+
137 | 403 |
138 +--------------+
139 |
140 |
141 v
142 +--------------+
143 | 405 |
144 +--------------+
145 |
146 |
147 v
148 +--------------+
149 | 440 |
150 +--------------+
151 |
152 |
153 v
154 +--------------+ +----------------+
155 | 450 | --> | BG/P |
156 +--------------+ +----------------+
157 |
158 |
159 v
160 +--------------+
161 | 460 |
162 +--------------+
163 |
164 |
165 v
166 +--------------+
167 | 476 |
168 +--------------+
169
170
171Motorola/Freescale 8xx
172----------------------
173
Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -0300174- Software loaded with hardware assist.
175- All 32 bit::
Michael Ellerman91a61512014-05-26 21:44:25 +1000176
177 +-------------+
178 | MPC8xx Core |
179 +-------------+
180
181
182Freescale BookE
183---------------
184
Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -0300185- Software loaded TLB.
186- e6500 adds HW loaded indirect TLB entries.
187- Mix of 32 & 64 bit::
Michael Ellerman91a61512014-05-26 21:44:25 +1000188
189 +--------------+
190 | e200 |
191 +--------------+
192
193
194 +--------------------------------+
195 | e500 |
196 +--------------------------------+
197 |
198 |
199 v
200 +--------------------------------+
201 | e500v2 |
202 +--------------------------------+
203 |
204 |
205 v
206 +--------------------------------+
207 | e500mc (Book3e) |
208 +--------------------------------+
209 |
210 |
211 v
212 +--------------------------------+
213 | e5500 (64 bit) |
214 +--------------------------------+
215 |
216 |
217 v
218 +--------------------------------+
219 | e6500 (HW TLB) (Multithreaded) |
220 +--------------------------------+
221
222
223IBM A2 core
224-----------
225
Mauro Carvalho Chehab4d2e26a2019-04-10 08:32:42 -0300226- Book3E, software loaded TLB + HW loaded indirect TLB entries.
227- 64 bit::
Michael Ellerman91a61512014-05-26 21:44:25 +1000228
229 +--------------+ +----------------+
230 | A2 core | --> | WSP |
231 +--------------+ +----------------+
232 |
233 |
234 v
235 +--------------+
236 | BG/Q |
237 +--------------+