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Arnd Bergmanna0ae9c72007-06-13 02:30:17 +10001config PPC64
2 bool "64-bit kernel"
3 default n
Paul Mackerras105988c2009-06-17 21:50:04 +10004 select PPC_HAVE_PMU_SUPPORT
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +10005 help
6 This option selects whether a 32-bit or a 64-bit kernel
7 will be built.
8
9menu "Processor support"
10choice
11 prompt "Processor Type"
12 depends on PPC32
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100013 help
Arnd Bergmannb9fd3052007-06-18 01:06:52 +020014 There are five families of 32 bit PowerPC chips supported.
15 The most common ones are the desktop and server CPUs (601, 603,
16 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their
John Rigbye177edc2008-01-29 04:28:53 +110017 embedded 512x/52xx/82xx/83xx/86xx counterparts.
Arnd Bergmannb9fd3052007-06-18 01:06:52 +020018 The other embeeded parts, namely 4xx, 8xx, e200 (55xx) and e500
19 (85xx) each form a family of their own that is not compatible
20 with the others.
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100021
Arnd Bergmannb9fd3052007-06-18 01:06:52 +020022 If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100023
Benjamin Herrenschmidt48c93112009-06-14 14:45:50 +000024config PPC_BOOK3S_32
John Rigbye177edc2008-01-29 04:28:53 +110025 bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100026 select PPC_FPU
27
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100028config PPC_85xx
29 bool "Freescale 85xx"
30 select E500
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100031
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100032config PPC_8xx
33 bool "Freescale 8xx"
34 select FSL_SOC
35 select 8xx
Sylvain Munaut1088a202007-09-16 20:53:25 +100036 select PPC_LIB_RHEAP
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100037
38config 40x
39 bool "AMCC 40x"
40 select PPC_DCR_NATIVE
Benjamin Herrenschmidt9dae8af2007-12-21 15:39:26 +110041 select PPC_UDBG_16550
Stefan Roese93173ce2008-03-28 01:43:31 +110042 select 4xx_SOC
John Rigbyb5005632008-06-26 11:07:56 -060043 select PPC_PCI_CHOICE
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100044
45config 44x
46 bool "AMCC 44x"
47 select PPC_DCR_NATIVE
Valentine Barshak1d5499b2007-10-18 22:55:13 +100048 select PPC_UDBG_16550
Stefan Roese93173ce2008-03-28 01:43:31 +110049 select 4xx_SOC
John Rigbyb5005632008-06-26 11:07:56 -060050 select PPC_PCI_CHOICE
Becky Bruce4ee70842008-09-24 11:01:24 -050051 select PHYS_64BIT
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100052
53config E200
54 bool "Freescale e200"
55
56endchoice
57
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000058choice
59 prompt "Processor Type"
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000060 depends on PPC64
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000061 help
62 There are two families of 64 bit PowerPC chips supported.
63 The most common ones are the desktop and server CPUs
64 (POWER3, RS64, POWER4, POWER5, POWER5+, POWER6, ...)
65
66 The other are the "embedded" processors compliant with the
67 "Book 3E" variant of the architecture
68
69config PPC_BOOK3S_64
70 bool "Server processors"
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000071 select PPC_FPU
72
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000073config PPC_BOOK3E_64
74 bool "Embedded processors"
75 select PPC_FPU # Make it a choice ?
76
77endchoice
78
Benjamin Herrenschmidt48c93112009-06-14 14:45:50 +000079config PPC_BOOK3S
80 def_bool y
81 depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +000082
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000083config PPC_BOOK3E
84 def_bool y
85 depends on PPC_BOOK3E_64
86
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100087config POWER4_ONLY
88 bool "Optimize for POWER4"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +000089 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100090 default n
91 ---help---
92 Cause the compiler to optimize for POWER4/POWER5/PPC970 processors.
93 The resulting binary will not work on POWER3 or RS64 processors
94 when compiled with binutils 2.15 or later.
95
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000096config 6xx
97 def_bool y
98 depends on PPC32 && PPC_BOOK3S
Paul Mackerras73259272009-06-17 21:53:51 +100099 select PPC_HAVE_PMU_SUPPORT
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +0000100
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000101config POWER3
102 bool
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000103 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000104 default y if !POWER4_ONLY
105
106config POWER4
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000107 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000108 def_bool y
109
Arnd Bergmann3164ccc2007-09-15 10:21:57 +1000110config TUNE_CELL
111 bool "Optimize for Cell Broadband Engine"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000112 depends on PPC64 && PPC_BOOK3S
Arnd Bergmann3164ccc2007-09-15 10:21:57 +1000113 help
114 Cause the compiler to optimize for the PPE of the Cell Broadband
115 Engine. This will make the code run considerably faster on Cell
116 but somewhat slower on other machines. This option only changes
117 the scheduling of instructions, not the selection of instructions
118 itself, so the resulting kernel will keep running on all other
119 machines. When building a kernel that is supposed to run only
120 on Cell, you should also select the POWER4_ONLY option.
121
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000122# this is temp to handle compat with arch=ppc
123config 8xx
124 bool
125
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000126config E500
Andy Fleming39aef682008-02-04 18:27:55 -0600127 select FSL_EMB_PERFMON
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000128 bool
129
Kumar Gala3dfa8772008-06-16 09:41:32 -0500130config PPC_E500MC
131 bool "e500mc Support"
132 select PPC_FPU
133 depends on E500
134
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000135config PPC_FPU
136 bool
137 default y if PPC64
138
Kumar Gala5753c082009-10-16 18:31:48 -0500139config FSL_EMB_PERFMON
140 bool "Freescale Embedded Perfmon"
141 depends on E500 || PPC_83xx
142 help
143 This is the Performance Monitor support found on the e500 core
144 and some e300 cores (c3 and c4). Select this only if your
145 core supports the Embedded Performance Monitor APU
146
Scott Wooda1110652010-02-25 18:09:45 -0600147config FSL_EMB_PERF_EVENT
148 bool
149 depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
150 default y
151
152config FSL_EMB_PERF_EVENT_E500
153 bool
154 depends on FSL_EMB_PERF_EVENT && E500
155 default y
156
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000157config 4xx
158 bool
159 depends on 40x || 44x
160 default y
161
162config BOOKE
163 bool
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000164 depends on E200 || E500 || 44x || PPC_BOOK3E
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000165 default y
166
167config FSL_BOOKE
168 bool
169 depends on E200 || E500
170 default y
171
Andy Fleming39aef682008-02-04 18:27:55 -0600172
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000173config PTE_64BIT
174 bool
Becky Bruce4ee70842008-09-24 11:01:24 -0500175 depends on 44x || E500 || PPC_86xx
176 default y if PHYS_64BIT
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000177
178config PHYS_64BIT
Becky Bruce4ee70842008-09-24 11:01:24 -0500179 bool 'Large physical address support' if E500 || PPC_86xx
180 depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000181 ---help---
182 This option enables kernel support for larger than 32-bit physical
Becky Bruce4ee70842008-09-24 11:01:24 -0500183 addresses. This feature may not be available on all cores.
184
185 If you have more than 3.5GB of RAM or so, you also need to enable
186 SWIOTLB under Kernel Options for this to work. The actual number
187 is platform-dependent.
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000188
189 If in doubt, say N here.
190
191config ALTIVEC
192 bool "AltiVec Support"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000193 depends on 6xx || POWER4
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000194 ---help---
195 This option enables kernel support for the Altivec extensions to the
196 PowerPC processor. The kernel currently supports saving and restoring
197 altivec registers, and turning on the 'altivec enable' bit so user
198 processes can execute altivec instructions.
199
200 This option is only usefully if you have a processor that supports
201 altivec (G4, otherwise known as 74xx series), but does not have
202 any affect on a non-altivec cpu (it does, however add code to the
203 kernel).
204
205 If in doubt, say Y here.
206
Michael Neuling96d5b522008-06-25 14:07:18 +1000207config VSX
208 bool "VSX Support"
209 depends on POWER4 && ALTIVEC && PPC_FPU
210 ---help---
211
212 This option enables kernel support for the Vector Scaler extensions
213 to the PowerPC processor. The kernel currently supports saving and
214 restoring VSX registers, and turning on the 'VSX enable' bit so user
215 processes can execute VSX instructions.
216
217 This option is only useful if you have a processor that supports
218 VSX (P7 and above), but does not have any affect on a non-VSX
219 CPUs (it does, however add code to the kernel).
220
221 If in doubt, say Y here.
222
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000223config SPE
224 bool "SPE Support"
Kumar Gala3dfa8772008-06-16 09:41:32 -0500225 depends on E200 || (E500 && !PPC_E500MC)
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000226 default y
227 ---help---
228 This option enables kernel support for the Signal Processing
229 Extensions (SPE) to the PowerPC processor. The kernel currently
230 supports saving and restoring SPE registers, and turning on the
231 'spe enable' bit so user processes can execute SPE instructions.
232
233 This option is only useful if you have a processor that supports
234 SPE (e500, otherwise known as 85xx series), but does not have any
235 effect on a non-spe cpu (it does, however add code to the kernel).
236
237 If in doubt, say Y here.
238
239config PPC_STD_MMU
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +0000240 def_bool y
241 depends on PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000242
243config PPC_STD_MMU_32
244 def_bool y
245 depends on PPC_STD_MMU && PPC32
246
Benjamin Herrenschmidt5e696612008-12-18 19:13:24 +0000247config PPC_STD_MMU_64
248 def_bool y
249 depends on PPC_STD_MMU && PPC64
250
251config PPC_MMU_NOHASH
252 def_bool y
253 depends on !PPC_STD_MMU
254
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000255config PPC_MMU_NOHASH_32
256 def_bool y
257 depends on PPC_MMU_NOHASH && PPC32
258
259config PPC_MMU_NOHASH_64
260 def_bool y
261 depends on PPC_MMU_NOHASH && PPC64
262
Kumar Gala70fe3af2009-02-12 16:12:40 -0600263config PPC_BOOK3E_MMU
264 def_bool y
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000265 depends on FSL_BOOKE || PPC_BOOK3E
Kumar Gala70fe3af2009-02-12 16:12:40 -0600266
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000267config PPC_MM_SLICES
268 bool
Ilya Yanokca9153a2008-12-11 04:55:41 +0300269 default y if HUGETLB_PAGE || (PPC_STD_MMU_64 && PPC_64K_PAGES)
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000270 default n
271
272config VIRT_CPU_ACCOUNTING
273 bool "Deterministic task and CPU time accounting"
274 depends on PPC64
275 default y
276 help
277 Select this option to enable more accurate task and CPU time
278 accounting. This is done by reading a CPU counter on each
279 kernel entry and exit and on transitions within the kernel
280 between system, softirq and hardirq state, so there is a
281 small performance impact. This also enables accounting of
282 stolen time on logically-partitioned systems running on
283 IBM POWER5-based machines.
284
285 If in doubt, say Y here.
286
Paul Mackerras105988c2009-06-17 21:50:04 +1000287config PPC_HAVE_PMU_SUPPORT
288 bool
289
290config PPC_PERF_CTRS
291 def_bool y
Ingo Molnarcdd6c482009-09-21 12:02:48 +0200292 depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
Paul Mackerras105988c2009-06-17 21:50:04 +1000293 help
Ingo Molnarcdd6c482009-09-21 12:02:48 +0200294 This enables the powerpc-specific perf_event back-end.
Paul Mackerras105988c2009-06-17 21:50:04 +1000295
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000296config SMP
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000297 depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000298 bool "Symmetric multi-processing support"
299 ---help---
300 This enables support for systems with more than one CPU. If you have
301 a system with only one CPU, say N. If you have a system with more
302 than one CPU, say Y. Note that the kernel does not currently
303 support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
304 since they have inadequate hardware support for multiprocessor
305 operation.
306
307 If you say N here, the kernel will run on single and multiprocessor
308 machines, but will use only one CPU of a multiprocessor machine. If
309 you say Y here, the kernel will run on single-processor machines.
310 On a single-processor machine, the kernel will run faster if you say
311 N here.
312
313 If you don't know what to do here, say N.
314
315config NR_CPUS
Michael Neuling2d8ae632009-05-17 15:13:16 +0000316 int "Maximum number of CPUs (2-8192)"
317 range 2 8192
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000318 depends on SMP
319 default "32" if PPC64
320 default "4"
321
322config NOT_COHERENT_CACHE
323 bool
Albert Herranzb91a1432009-12-12 06:31:38 +0000324 depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000325 default y
326
Robert P. J. Dayf8eb77d2007-07-18 08:21:29 +1000327config CHECK_CACHE_COHERENCY
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000328 bool
329
330endmenu