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1config PPC64
2	bool "64-bit kernel"
3	default n
4	select HAVE_VIRT_CPU_ACCOUNTING
5	select ZLIB_DEFLATE
6	help
7	  This option selects whether a 32-bit or a 64-bit kernel
8	  will be built.
9
10menu "Processor support"
11choice
12	prompt "Processor Type"
13	depends on PPC32
14	help
15	  There are five families of 32 bit PowerPC chips supported.
16	  The most common ones are the desktop and server CPUs (601, 603,
17	  604, 740, 750, 74xx) CPUs from Freescale and IBM, with their
18	  embedded 512x/52xx/82xx/83xx/86xx counterparts.
19	  The other embedded parts, namely 4xx, 8xx, e200 (55xx) and e500
20	  (85xx) each form a family of their own that is not compatible
21	  with the others.
22
23	  If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
24
25config PPC_BOOK3S_32
26	bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
27	select PPC_FPU
28
29config PPC_85xx
30	bool "Freescale 85xx"
31	select E500
32
33config PPC_8xx
34	bool "Freescale 8xx"
35	select FSL_SOC
36	select 8xx
37	select PPC_LIB_RHEAP
38
39config 40x
40	bool "AMCC 40x"
41	select PPC_DCR_NATIVE
42	select PPC_UDBG_16550
43	select 4xx_SOC
44	select PPC_PCI_CHOICE
45
46config 44x
47	bool "AMCC 44x, 46x or 47x"
48	select PPC_DCR_NATIVE
49	select PPC_UDBG_16550
50	select 4xx_SOC
51	select PPC_PCI_CHOICE
52	select PHYS_64BIT
53
54config E200
55	bool "Freescale e200"
56
57endchoice
58
59choice
60	prompt "Processor Type"
61	depends on PPC64
62	help
63	  There are two families of 64 bit PowerPC chips supported.
64	  The most common ones are the desktop and server CPUs
65	  (POWER4, POWER5, 970, POWER5+, POWER6, POWER7, POWER8 ...)
66
67	  The other are the "embedded" processors compliant with the
68	  "Book 3E" variant of the architecture
69
70config PPC_BOOK3S_64
71	bool "Server processors"
72	select PPC_FPU
73	select PPC_HAVE_PMU_SUPPORT
74	select SYS_SUPPORTS_HUGETLBFS
75	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if PPC_64K_PAGES
76	select ARCH_SUPPORTS_NUMA_BALANCING
77	select IRQ_WORK
78
79config PPC_BOOK3E_64
80	bool "Embedded processors"
81	select PPC_FPU # Make it a choice ?
82	select PPC_SMP_MUXED_IPI
83	select PPC_DOORBELL
84
85endchoice
86
87choice
88	prompt "CPU selection"
89	depends on PPC64
90	default GENERIC_CPU
91	help
92	  This will create a kernel which is optimised for a particular CPU.
93	  The resulting kernel may not run on other CPUs, so use this with care.
94
95	  If unsure, select Generic.
96
97config GENERIC_CPU
98	bool "Generic"
99	depends on !CPU_LITTLE_ENDIAN
100
101config CELL_CPU
102	bool "Cell Broadband Engine"
103	depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
104
105config POWER4_CPU
106	bool "POWER4"
107	depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
108
109config POWER5_CPU
110	bool "POWER5"
111	depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
112
113config POWER6_CPU
114	bool "POWER6"
115	depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
116
117config POWER7_CPU
118	bool "POWER7"
119	depends on PPC_BOOK3S_64
120	select ARCH_HAS_FAST_MULTIPLIER
121
122config POWER8_CPU
123	bool "POWER8"
124	depends on PPC_BOOK3S_64
125	select ARCH_HAS_FAST_MULTIPLIER
126
127config E5500_CPU
128	bool "Freescale e5500"
129	depends on E500
130
131config E6500_CPU
132	bool "Freescale e6500"
133	depends on E500
134
135endchoice
136
137config PPC_BOOK3S
138	def_bool y
139	depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
140
141config PPC_BOOK3E
142	def_bool y
143	depends on PPC_BOOK3E_64
144
145config 6xx
146	def_bool y
147	depends on PPC32 && PPC_BOOK3S
148	select PPC_HAVE_PMU_SUPPORT
149
150# this is temp to handle compat with arch=ppc
151config 8xx
152	bool
153
154config E500
155	select FSL_EMB_PERFMON
156	select PPC_FSL_BOOK3E
157	bool
158
159config PPC_E500MC
160	bool "e500mc Support"
161	select PPC_FPU
162	select COMMON_CLK
163	depends on E500
164	help
165	  This must be enabled for running on e500mc (and derivatives
166	  such as e5500/e6500), and must be disabled for running on
167	  e500v1 or e500v2.
168
169config PPC_FPU
170	bool
171	default y if PPC64
172
173config FSL_EMB_PERFMON
174	bool "Freescale Embedded Perfmon"
175	depends on E500 || PPC_83xx
176	help
177	  This is the Performance Monitor support found on the e500 core
178	  and some e300 cores (c3 and c4).  Select this only if your
179	  core supports the Embedded Performance Monitor APU
180
181config FSL_EMB_PERF_EVENT
182	bool
183	depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
184	default y
185
186config FSL_EMB_PERF_EVENT_E500
187	bool
188	depends on FSL_EMB_PERF_EVENT && E500
189	default y
190
191config 4xx
192	bool
193	depends on 40x || 44x
194	default y
195
196config BOOKE
197	bool
198	depends on E200 || E500 || 44x || PPC_BOOK3E
199	default y
200
201config FSL_BOOKE
202	bool
203	depends on (E200 || E500) && PPC32
204	default y
205
206# this is for common code between PPC32 & PPC64 FSL BOOKE
207config PPC_FSL_BOOK3E
208	bool
209	select FSL_EMB_PERFMON
210	select PPC_SMP_MUXED_IPI
211	select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64
212	select PPC_DOORBELL
213	default y if FSL_BOOKE
214
215config PTE_64BIT
216	bool
217	depends on 44x || E500 || PPC_86xx
218	default y if PHYS_64BIT
219
220config PHYS_64BIT
221	bool 'Large physical address support' if E500 || PPC_86xx
222	depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
223	---help---
224	  This option enables kernel support for larger than 32-bit physical
225	  addresses.  This feature may not be available on all cores.
226
227	  If you have more than 3.5GB of RAM or so, you also need to enable
228	  SWIOTLB under Kernel Options for this to work.  The actual number
229	  is platform-dependent.
230
231	  If in doubt, say N here.
232
233config ALTIVEC
234	bool "AltiVec Support"
235	depends on 6xx || PPC_BOOK3S_64 || (PPC_E500MC && PPC64)
236	---help---
237	  This option enables kernel support for the Altivec extensions to the
238	  PowerPC processor. The kernel currently supports saving and restoring
239	  altivec registers, and turning on the 'altivec enable' bit so user
240	  processes can execute altivec instructions.
241
242	  This option is only usefully if you have a processor that supports
243	  altivec (G4, otherwise known as 74xx series), but does not have
244	  any affect on a non-altivec cpu (it does, however add code to the
245	  kernel).
246
247	  If in doubt, say Y here.
248
249config VSX
250	bool "VSX Support"
251	depends on PPC_BOOK3S_64 && ALTIVEC && PPC_FPU
252	---help---
253
254	  This option enables kernel support for the Vector Scaler extensions
255	  to the PowerPC processor. The kernel currently supports saving and
256	  restoring VSX registers, and turning on the 'VSX enable' bit so user
257	  processes can execute VSX instructions.
258
259	  This option is only useful if you have a processor that supports
260	  VSX (P7 and above), but does not have any affect on a non-VSX
261	  CPUs (it does, however add code to the kernel).
262
263	  If in doubt, say Y here.
264
265config PPC_ICSWX
266	bool "Support for PowerPC icswx coprocessor instruction"
267	depends on PPC_BOOK3S_64
268	default n
269	---help---
270
271	  This option enables kernel support for the PowerPC Initiate
272	  Coprocessor Store Word (icswx) coprocessor instruction on POWER7
273	  or newer processors.
274
275	  This option is only useful if you have a processor that supports
276	  the icswx coprocessor instruction. It does not have any effect
277	  on processors without the icswx coprocessor instruction.
278
279	  This option slightly increases kernel memory usage.
280
281	  If in doubt, say N here.
282
283config PPC_ICSWX_PID
284	bool "icswx requires direct PID management"
285	depends on PPC_ICSWX
286	default y
287	---help---
288	  The PID register in server is used explicitly for ICSWX.  In
289	  embedded systems PID management is done by the system.
290
291config PPC_ICSWX_USE_SIGILL
292	bool "Should a bad CT cause a SIGILL?"
293	depends on PPC_ICSWX
294	default n
295	---help---
296	  Should a bad CT used for "non-record form ICSWX" cause an
297	  illegal instruction signal or should it be silent as
298	  architected.
299
300	  If in doubt, say N here.
301
302config SPE_POSSIBLE
303	def_bool y
304	depends on E200 || (E500 && !PPC_E500MC)
305
306config SPE
307	bool "SPE Support"
308	depends on SPE_POSSIBLE
309	default y
310	---help---
311	  This option enables kernel support for the Signal Processing
312	  Extensions (SPE) to the PowerPC processor. The kernel currently
313	  supports saving and restoring SPE registers, and turning on the
314	  'spe enable' bit so user processes can execute SPE instructions.
315
316	  This option is only useful if you have a processor that supports
317	  SPE (e500, otherwise known as 85xx series), but does not have any
318	  effect on a non-spe cpu (it does, however add code to the kernel).
319
320	  If in doubt, say Y here.
321
322config PPC_STD_MMU
323	def_bool y
324	depends on PPC_BOOK3S
325
326config PPC_STD_MMU_32
327	def_bool y
328	depends on PPC_STD_MMU && PPC32
329
330config PPC_STD_MMU_64
331	def_bool y
332	depends on PPC_STD_MMU && PPC64
333
334config PPC_MMU_NOHASH
335	def_bool y
336	depends on !PPC_STD_MMU
337
338config PPC_BOOK3E_MMU
339	def_bool y
340	depends on FSL_BOOKE || PPC_BOOK3E
341
342config PPC_MM_SLICES
343	bool
344	default y if (!PPC_FSL_BOOK3E && PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES)
345	default n
346
347config PPC_HAVE_PMU_SUPPORT
348       bool
349
350config PPC_PERF_CTRS
351       def_bool y
352       depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
353       help
354         This enables the powerpc-specific perf_event back-end.
355
356config SMP
357	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x
358	bool "Symmetric multi-processing support"
359	---help---
360	  This enables support for systems with more than one CPU. If you have
361	  a system with only one CPU, say N. If you have a system with more
362	  than one CPU, say Y.  Note that the kernel does not currently
363	  support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
364	  since they have inadequate hardware support for multiprocessor
365	  operation.
366
367	  If you say N here, the kernel will run on single and multiprocessor
368	  machines, but will use only one CPU of a multiprocessor machine. If
369	  you say Y here, the kernel will run on single-processor machines.
370	  On a single-processor machine, the kernel will run faster if you say
371	  N here.
372
373	  If you don't know what to do here, say N.
374
375config NR_CPUS
376	int "Maximum number of CPUs (2-8192)"
377	range 2 8192
378	depends on SMP
379	default "32" if PPC64
380	default "4"
381
382config NOT_COHERENT_CACHE
383	bool
384	depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON
385	default n if PPC_47x
386	default y
387
388config CHECK_CACHE_COHERENCY
389	bool
390
391config PPC_DOORBELL
392	bool
393	default n
394
395endmenu
396
397config VDSO32
398	def_bool y
399	depends on PPC32 || CPU_BIG_ENDIAN
400	help
401	  This symbol controls whether we build the 32-bit VDSO. We obviously
402	  want to do that if we're building a 32-bit kernel. If we're building
403	  a 64-bit kernel then we only want a 32-bit VDSO if we're building for
404	  big endian. That is because the only little endian configuration we
405	  support is ppc64le which is 64-bit only.
406
407choice
408	prompt "Endianness selection"
409	default CPU_BIG_ENDIAN
410	help
411	  This option selects whether a big endian or little endian kernel will
412	  be built.
413
414config CPU_BIG_ENDIAN
415	bool "Build big endian kernel"
416	help
417	  Build a big endian kernel.
418
419	  If unsure, select this option.
420
421config CPU_LITTLE_ENDIAN
422	bool "Build little endian kernel"
423	depends on PPC_BOOK3S_64
424	select PPC64_BOOT_WRAPPER
425	help
426	  Build a little endian kernel.
427
428	  Note that if cross compiling a little endian kernel,
429	  CROSS_COMPILE must point to a toolchain capable of targeting
430	  little endian powerpc.
431
432endchoice
433
434config PPC64_BOOT_WRAPPER
435	def_bool n
436	depends on CPU_LITTLE_ENDIAN
437