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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
31 select FSL_SOC
Kumar Gala3a831562008-01-28 10:24:30 -060032 select MPC85xx
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100033
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100034config PPC_8xx
35 bool "Freescale 8xx"
36 select FSL_SOC
37 select 8xx
Sylvain Munaut1088a202007-09-16 20:53:25 +100038 select PPC_LIB_RHEAP
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100039
40config 40x
41 bool "AMCC 40x"
42 select PPC_DCR_NATIVE
Benjamin Herrenschmidt9dae8af2007-12-21 15:39:26 +110043 select PPC_UDBG_16550
Stefan Roese93173ce2008-03-28 01:43:31 +110044 select 4xx_SOC
John Rigbyb5005632008-06-26 11:07:56 -060045 select PPC_PCI_CHOICE
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100046
47config 44x
48 bool "AMCC 44x"
49 select PPC_DCR_NATIVE
Valentine Barshak1d5499b2007-10-18 22:55:13 +100050 select PPC_UDBG_16550
Stefan Roese93173ce2008-03-28 01:43:31 +110051 select 4xx_SOC
John Rigbyb5005632008-06-26 11:07:56 -060052 select PPC_PCI_CHOICE
Becky Bruce4ee70842008-09-24 11:01:24 -050053 select PHYS_64BIT
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100054
55config E200
56 bool "Freescale e200"
57
58endchoice
59
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000060choice
61 prompt "Processor Type"
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000062 depends on PPC64
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000063 help
64 There are two families of 64 bit PowerPC chips supported.
65 The most common ones are the desktop and server CPUs
66 (POWER3, RS64, POWER4, POWER5, POWER5+, POWER6, ...)
67
68 The other are the "embedded" processors compliant with the
69 "Book 3E" variant of the architecture
70
71config PPC_BOOK3S_64
72 bool "Server processors"
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000073 select PPC_FPU
74
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000075config PPC_BOOK3E_64
76 bool "Embedded processors"
77 select PPC_FPU # Make it a choice ?
78
79endchoice
80
Benjamin Herrenschmidt48c93112009-06-14 14:45:50 +000081config PPC_BOOK3S
82 def_bool y
83 depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +000084
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +000085config PPC_BOOK3E
86 def_bool y
87 depends on PPC_BOOK3E_64
88
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100089config POWER4_ONLY
90 bool "Optimize for POWER4"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +000091 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +100092 default n
93 ---help---
94 Cause the compiler to optimize for POWER4/POWER5/PPC970 processors.
95 The resulting binary will not work on POWER3 or RS64 processors
96 when compiled with binutils 2.15 or later.
97
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +000098config 6xx
99 def_bool y
100 depends on PPC32 && PPC_BOOK3S
Paul Mackerras73259272009-06-17 21:53:51 +1000101 select PPC_HAVE_PMU_SUPPORT
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +0000102
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000103config POWER3
104 bool
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000105 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000106 default y if !POWER4_ONLY
107
108config POWER4
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000109 depends on PPC64 && PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000110 def_bool y
111
Arnd Bergmann3164ccc2007-09-15 10:21:57 +1000112config TUNE_CELL
113 bool "Optimize for Cell Broadband Engine"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000114 depends on PPC64 && PPC_BOOK3S
Arnd Bergmann3164ccc2007-09-15 10:21:57 +1000115 help
116 Cause the compiler to optimize for the PPE of the Cell Broadband
117 Engine. This will make the code run considerably faster on Cell
118 but somewhat slower on other machines. This option only changes
119 the scheduling of instructions, not the selection of instructions
120 itself, so the resulting kernel will keep running on all other
121 machines. When building a kernel that is supposed to run only
122 on Cell, you should also select the POWER4_ONLY option.
123
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000124# this is temp to handle compat with arch=ppc
125config 8xx
126 bool
127
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000128config E500
Andy Fleming39aef682008-02-04 18:27:55 -0600129 select FSL_EMB_PERFMON
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000130 bool
131
Kumar Gala3dfa8772008-06-16 09:41:32 -0500132config PPC_E500MC
133 bool "e500mc Support"
134 select PPC_FPU
135 depends on E500
136
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000137config PPC_FPU
138 bool
139 default y if PPC64
140
141config 4xx
142 bool
143 depends on 40x || 44x
144 default y
145
146config BOOKE
147 bool
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000148 depends on E200 || E500 || 44x || PPC_BOOK3E
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000149 default y
150
151config FSL_BOOKE
152 bool
153 depends on E200 || E500
154 default y
155
Andy Fleming39aef682008-02-04 18:27:55 -0600156config FSL_EMB_PERFMON
Andy Flemingad562c72008-03-07 17:59:03 -0600157 bool "Freescale Embedded Perfmon"
158 depends on E500 || PPC_83xx
159 help
160 This is the Performance Monitor support found on the e500 core
161 and some e300 cores (c3 and c4). Select this only if your
162 core supports the Embedded Performance Monitor APU
Andy Fleming39aef682008-02-04 18:27:55 -0600163
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000164config PTE_64BIT
165 bool
Becky Bruce4ee70842008-09-24 11:01:24 -0500166 depends on 44x || E500 || PPC_86xx
167 default y if PHYS_64BIT
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000168
169config PHYS_64BIT
Becky Bruce4ee70842008-09-24 11:01:24 -0500170 bool 'Large physical address support' if E500 || PPC_86xx
171 depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000172 ---help---
173 This option enables kernel support for larger than 32-bit physical
Becky Bruce4ee70842008-09-24 11:01:24 -0500174 addresses. This feature may not be available on all cores.
175
176 If you have more than 3.5GB of RAM or so, you also need to enable
177 SWIOTLB under Kernel Options for this to work. The actual number
178 is platform-dependent.
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000179
180 If in doubt, say N here.
181
182config ALTIVEC
183 bool "AltiVec Support"
Benjamin Herrenschmidt28794d32009-03-10 17:53:27 +0000184 depends on 6xx || POWER4
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000185 ---help---
186 This option enables kernel support for the Altivec extensions to the
187 PowerPC processor. The kernel currently supports saving and restoring
188 altivec registers, and turning on the 'altivec enable' bit so user
189 processes can execute altivec instructions.
190
191 This option is only usefully if you have a processor that supports
192 altivec (G4, otherwise known as 74xx series), but does not have
193 any affect on a non-altivec cpu (it does, however add code to the
194 kernel).
195
196 If in doubt, say Y here.
197
Michael Neuling96d5b522008-06-25 14:07:18 +1000198config VSX
199 bool "VSX Support"
200 depends on POWER4 && ALTIVEC && PPC_FPU
201 ---help---
202
203 This option enables kernel support for the Vector Scaler extensions
204 to the PowerPC processor. The kernel currently supports saving and
205 restoring VSX registers, and turning on the 'VSX enable' bit so user
206 processes can execute VSX instructions.
207
208 This option is only useful if you have a processor that supports
209 VSX (P7 and above), but does not have any affect on a non-VSX
210 CPUs (it does, however add code to the kernel).
211
212 If in doubt, say Y here.
213
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000214config SPE
215 bool "SPE Support"
Kumar Gala3dfa8772008-06-16 09:41:32 -0500216 depends on E200 || (E500 && !PPC_E500MC)
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000217 default y
218 ---help---
219 This option enables kernel support for the Signal Processing
220 Extensions (SPE) to the PowerPC processor. The kernel currently
221 supports saving and restoring SPE registers, and turning on the
222 'spe enable' bit so user processes can execute SPE instructions.
223
224 This option is only useful if you have a processor that supports
225 SPE (e500, otherwise known as 85xx series), but does not have any
226 effect on a non-spe cpu (it does, however add code to the kernel).
227
228 If in doubt, say Y here.
229
230config PPC_STD_MMU
Benjamin Herrenschmidt5b7c3c92009-06-02 21:17:37 +0000231 def_bool y
232 depends on PPC_BOOK3S
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000233
234config PPC_STD_MMU_32
235 def_bool y
236 depends on PPC_STD_MMU && PPC32
237
Benjamin Herrenschmidt5e696612008-12-18 19:13:24 +0000238config PPC_STD_MMU_64
239 def_bool y
240 depends on PPC_STD_MMU && PPC64
241
242config PPC_MMU_NOHASH
243 def_bool y
244 depends on !PPC_STD_MMU
245
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000246config PPC_MMU_NOHASH_32
247 def_bool y
248 depends on PPC_MMU_NOHASH && PPC32
249
250config PPC_MMU_NOHASH_64
251 def_bool y
252 depends on PPC_MMU_NOHASH && PPC64
253
Kumar Gala70fe3af2009-02-12 16:12:40 -0600254config PPC_BOOK3E_MMU
255 def_bool y
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000256 depends on FSL_BOOKE || PPC_BOOK3E
Kumar Gala70fe3af2009-02-12 16:12:40 -0600257
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000258config PPC_MM_SLICES
259 bool
Ilya Yanokca9153a2008-12-11 04:55:41 +0300260 default y if HUGETLB_PAGE || (PPC_STD_MMU_64 && PPC_64K_PAGES)
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000261 default n
262
263config VIRT_CPU_ACCOUNTING
264 bool "Deterministic task and CPU time accounting"
265 depends on PPC64
266 default y
267 help
268 Select this option to enable more accurate task and CPU time
269 accounting. This is done by reading a CPU counter on each
270 kernel entry and exit and on transitions within the kernel
271 between system, softirq and hardirq state, so there is a
272 small performance impact. This also enables accounting of
273 stolen time on logically-partitioned systems running on
274 IBM POWER5-based machines.
275
276 If in doubt, say Y here.
277
Paul Mackerras105988c2009-06-17 21:50:04 +1000278config PPC_HAVE_PMU_SUPPORT
279 bool
280
281config PPC_PERF_CTRS
282 def_bool y
283 depends on PERF_COUNTERS && PPC_HAVE_PMU_SUPPORT
284 help
285 This enables the powerpc-specific perf_counter back-end.
286
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000287config SMP
Benjamin Herrenschmidt2d27cfd2009-07-23 23:15:59 +0000288 depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000289 bool "Symmetric multi-processing support"
290 ---help---
291 This enables support for systems with more than one CPU. If you have
292 a system with only one CPU, say N. If you have a system with more
293 than one CPU, say Y. Note that the kernel does not currently
294 support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
295 since they have inadequate hardware support for multiprocessor
296 operation.
297
298 If you say N here, the kernel will run on single and multiprocessor
299 machines, but will use only one CPU of a multiprocessor machine. If
300 you say Y here, the kernel will run on single-processor machines.
301 On a single-processor machine, the kernel will run faster if you say
302 N here.
303
304 If you don't know what to do here, say N.
305
306config NR_CPUS
Michael Neuling2d8ae632009-05-17 15:13:16 +0000307 int "Maximum number of CPUs (2-8192)"
308 range 2 8192
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000309 depends on SMP
310 default "32" if PPC64
311 default "4"
312
313config NOT_COHERENT_CACHE
314 bool
John Rigbye177edc2008-01-29 04:28:53 +1100315 depends on 4xx || 8xx || E200 || PPC_MPC512x
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000316 default y
317
Robert P. J. Dayf8eb77d2007-07-18 08:21:29 +1000318config CHECK_CACHE_COHERENCY
Arnd Bergmanna0ae9c72007-06-13 02:30:17 +1000319 bool
320
321endmenu