1config PPC64
2	bool "64-bit kernel"
3	default n
4	select PPC_HAVE_PMU_SUPPORT
5	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
13	help
14	  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
17	  embedded 512x/52xx/82xx/83xx/86xx counterparts.
18	  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.
21
22	  If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
23
24config PPC_BOOK3S_32
25	bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
26	select PPC_FPU
27
28config PPC_85xx
29	bool "Freescale 85xx"
30	select E500
31
32config PPC_8xx
33	bool "Freescale 8xx"
34	select FSL_SOC
35	select 8xx
36	select PPC_LIB_RHEAP
37
38config 40x
39	bool "AMCC 40x"
40	select PPC_DCR_NATIVE
41	select PPC_UDBG_16550
42	select 4xx_SOC
43	select PPC_PCI_CHOICE
44
45config 44x
46	bool "AMCC 44x, 46x or 47x"
47	select PPC_DCR_NATIVE
48	select PPC_UDBG_16550
49	select 4xx_SOC
50	select PPC_PCI_CHOICE
51	select PHYS_64BIT
52
53config E200
54	bool "Freescale e200"
55
56endchoice
57
58choice
59	prompt "Processor Type"
60	depends on PPC64
61	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"
71	select PPC_FPU
72
73config PPC_BOOK3E_64
74	bool "Embedded processors"
75	select PPC_FPU # Make it a choice ?
76
77endchoice
78
79config PPC_BOOK3S
80	def_bool y
81	depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
82
83config PPC_BOOK3E
84	def_bool y
85	depends on PPC_BOOK3E_64
86
87config POWER4_ONLY
88	bool "Optimize for POWER4"
89	depends on PPC64 && PPC_BOOK3S
90	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
96config 6xx
97	def_bool y
98	depends on PPC32 && PPC_BOOK3S
99	select PPC_HAVE_PMU_SUPPORT
100
101config POWER3
102	bool
103	depends on PPC64 && PPC_BOOK3S
104	default y if !POWER4_ONLY
105
106config POWER4
107	depends on PPC64 && PPC_BOOK3S
108	def_bool y
109
110config TUNE_CELL
111	bool "Optimize for Cell Broadband Engine"
112	depends on PPC64 && PPC_BOOK3S
113	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
122# this is temp to handle compat with arch=ppc
123config 8xx
124	bool
125
126config E500
127	select FSL_EMB_PERFMON
128	select PPC_FSL_BOOK3E
129	bool
130
131config PPC_E500MC
132	bool "e500mc Support"
133	select PPC_FPU
134	depends on E500
135
136config PPC_FPU
137	bool
138	default y if PPC64
139
140config FSL_EMB_PERFMON
141	bool "Freescale Embedded Perfmon"
142	depends on E500 || PPC_83xx
143	help
144	  This is the Performance Monitor support found on the e500 core
145	  and some e300 cores (c3 and c4).  Select this only if your
146	  core supports the Embedded Performance Monitor APU
147
148config FSL_EMB_PERF_EVENT
149	bool
150	depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
151	default y
152
153config FSL_EMB_PERF_EVENT_E500
154	bool
155	depends on FSL_EMB_PERF_EVENT && E500
156	default y
157
158config 4xx
159	bool
160	depends on 40x || 44x
161	default y
162
163config BOOKE
164	bool
165	depends on E200 || E500 || 44x || PPC_BOOK3E
166	default y
167
168config FSL_BOOKE
169	bool
170	depends on (E200 || E500) && PPC32
171	default y
172
173# this is for common code between PPC32 & PPC64 FSL BOOKE
174config PPC_FSL_BOOK3E
175	bool
176	select FSL_EMB_PERFMON
177	default y if FSL_BOOKE
178
179config PTE_64BIT
180	bool
181	depends on 44x || E500 || PPC_86xx
182	default y if PHYS_64BIT
183
184config PHYS_64BIT
185	bool 'Large physical address support' if E500 || PPC_86xx
186	depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
187	---help---
188	  This option enables kernel support for larger than 32-bit physical
189	  addresses.  This feature may not be available on all cores.
190
191	  If you have more than 3.5GB of RAM or so, you also need to enable
192	  SWIOTLB under Kernel Options for this to work.  The actual number
193	  is platform-dependent.
194
195	  If in doubt, say N here.
196
197config ALTIVEC
198	bool "AltiVec Support"
199	depends on 6xx || POWER4
200	---help---
201	  This option enables kernel support for the Altivec extensions to the
202	  PowerPC processor. The kernel currently supports saving and restoring
203	  altivec registers, and turning on the 'altivec enable' bit so user
204	  processes can execute altivec instructions.
205
206	  This option is only usefully if you have a processor that supports
207	  altivec (G4, otherwise known as 74xx series), but does not have
208	  any affect on a non-altivec cpu (it does, however add code to the
209	  kernel).
210
211	  If in doubt, say Y here.
212
213config VSX
214	bool "VSX Support"
215	depends on POWER4 && ALTIVEC && PPC_FPU
216	---help---
217
218	  This option enables kernel support for the Vector Scaler extensions
219	  to the PowerPC processor. The kernel currently supports saving and
220	  restoring VSX registers, and turning on the 'VSX enable' bit so user
221	  processes can execute VSX instructions.
222
223	  This option is only useful if you have a processor that supports
224	  VSX (P7 and above), but does not have any affect on a non-VSX
225	  CPUs (it does, however add code to the kernel).
226
227	  If in doubt, say Y here.
228
229config SPE
230	bool "SPE Support"
231	depends on E200 || (E500 && !PPC_E500MC)
232	default y
233	---help---
234	  This option enables kernel support for the Signal Processing
235	  Extensions (SPE) to the PowerPC processor. The kernel currently
236	  supports saving and restoring SPE registers, and turning on the
237	  'spe enable' bit so user processes can execute SPE instructions.
238
239	  This option is only useful if you have a processor that supports
240	  SPE (e500, otherwise known as 85xx series), but does not have any
241	  effect on a non-spe cpu (it does, however add code to the kernel).
242
243	  If in doubt, say Y here.
244
245config PPC_STD_MMU
246	def_bool y
247	depends on PPC_BOOK3S
248
249config PPC_STD_MMU_32
250	def_bool y
251	depends on PPC_STD_MMU && PPC32
252
253config PPC_STD_MMU_64
254	def_bool y
255	depends on PPC_STD_MMU && PPC64
256
257config PPC_MMU_NOHASH
258	def_bool y
259	depends on !PPC_STD_MMU
260
261config PPC_MMU_NOHASH_32
262	def_bool y
263	depends on PPC_MMU_NOHASH && PPC32
264
265config PPC_MMU_NOHASH_64
266	def_bool y
267	depends on PPC_MMU_NOHASH && PPC64
268
269config PPC_BOOK3E_MMU
270	def_bool y
271	depends on FSL_BOOKE || PPC_BOOK3E
272
273config PPC_MM_SLICES
274	bool
275	default y if HUGETLB_PAGE || (PPC_STD_MMU_64 && PPC_64K_PAGES)
276	default n
277
278config VIRT_CPU_ACCOUNTING
279	bool "Deterministic task and CPU time accounting"
280	depends on PPC64
281	default y
282	help
283	  Select this option to enable more accurate task and CPU time
284	  accounting.  This is done by reading a CPU counter on each
285	  kernel entry and exit and on transitions within the kernel
286	  between system, softirq and hardirq state, so there is a
287	  small performance impact.  This also enables accounting of
288	  stolen time on logically-partitioned systems running on
289	  IBM POWER5-based machines.
290
291	  If in doubt, say Y here.
292
293config PPC_HAVE_PMU_SUPPORT
294       bool
295
296config PPC_PERF_CTRS
297       def_bool y
298       depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
299       help
300         This enables the powerpc-specific perf_event back-end.
301
302config SMP
303	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x
304	bool "Symmetric multi-processing support"
305	---help---
306	  This enables support for systems with more than one CPU. If you have
307	  a system with only one CPU, say N. If you have a system with more
308	  than one CPU, say Y.  Note that the kernel does not currently
309	  support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
310	  since they have inadequate hardware support for multiprocessor
311	  operation.
312
313	  If you say N here, the kernel will run on single and multiprocessor
314	  machines, but will use only one CPU of a multiprocessor machine. If
315	  you say Y here, the kernel will run on single-processor machines.
316	  On a single-processor machine, the kernel will run faster if you say
317	  N here.
318
319	  If you don't know what to do here, say N.
320
321config NR_CPUS
322	int "Maximum number of CPUs (2-8192)"
323	range 2 8192
324	depends on SMP
325	default "32" if PPC64
326	default "4"
327
328config NOT_COHERENT_CACHE
329	bool
330	depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON
331	default n if PPC_47x
332	default y
333
334config CHECK_CACHE_COHERENCY
335	bool
336
337endmenu
338