Commit | Line | Data |
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a0ae9c7c AB |
1 | config PPC64 |
2 | bool "64-bit kernel" | |
3 | default n | |
4 | help | |
5 | This option selects whether a 32-bit or a 64-bit kernel | |
6 | will be built. | |
7 | ||
8 | menu "Processor support" | |
9 | choice | |
10 | prompt "Processor Type" | |
11 | depends on PPC32 | |
12 | default 6xx | |
a0ae9c7c | 13 | help |
b9fd305d AB |
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 | |
e177edcd | 17 | embedded 512x/52xx/82xx/83xx/86xx counterparts. |
b9fd305d AB |
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 | ||
24 | config 6xx | |
e177edcd | 25 | bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx" |
a0ae9c7c AB |
26 | select PPC_FPU |
27 | ||
a0ae9c7c AB |
28 | config PPC_85xx |
29 | bool "Freescale 85xx" | |
30 | select E500 | |
31 | select FSL_SOC | |
3a83156b | 32 | select MPC85xx |
a0ae9c7c | 33 | |
a0ae9c7c AB |
34 | config PPC_8xx |
35 | bool "Freescale 8xx" | |
36 | select FSL_SOC | |
37 | select 8xx | |
1088a209 | 38 | select PPC_LIB_RHEAP |
a0ae9c7c AB |
39 | |
40 | config 40x | |
41 | bool "AMCC 40x" | |
42 | select PPC_DCR_NATIVE | |
9dae8afd | 43 | select PPC_UDBG_16550 |
93173ce2 | 44 | select 4xx_SOC |
a0ae9c7c AB |
45 | |
46 | config 44x | |
47 | bool "AMCC 44x" | |
48 | select PPC_DCR_NATIVE | |
1d5499b5 | 49 | select PPC_UDBG_16550 |
93173ce2 | 50 | select 4xx_SOC |
a0ae9c7c AB |
51 | |
52 | config E200 | |
53 | bool "Freescale e200" | |
54 | ||
55 | endchoice | |
56 | ||
57 | config POWER4_ONLY | |
58 | bool "Optimize for POWER4" | |
59 | depends on PPC64 | |
60 | default n | |
61 | ---help--- | |
62 | Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. | |
63 | The resulting binary will not work on POWER3 or RS64 processors | |
64 | when compiled with binutils 2.15 or later. | |
65 | ||
66 | config POWER3 | |
67 | bool | |
68 | depends on PPC64 | |
69 | default y if !POWER4_ONLY | |
70 | ||
71 | config POWER4 | |
72 | depends on PPC64 | |
73 | def_bool y | |
74 | ||
3164cccd AB |
75 | config TUNE_CELL |
76 | bool "Optimize for Cell Broadband Engine" | |
77 | depends on PPC64 | |
78 | help | |
79 | Cause the compiler to optimize for the PPE of the Cell Broadband | |
80 | Engine. This will make the code run considerably faster on Cell | |
81 | but somewhat slower on other machines. This option only changes | |
82 | the scheduling of instructions, not the selection of instructions | |
83 | itself, so the resulting kernel will keep running on all other | |
84 | machines. When building a kernel that is supposed to run only | |
85 | on Cell, you should also select the POWER4_ONLY option. | |
86 | ||
a0ae9c7c AB |
87 | config 6xx |
88 | bool | |
89 | ||
90 | # this is temp to handle compat with arch=ppc | |
91 | config 8xx | |
92 | bool | |
93 | ||
a0ae9c7c | 94 | config E500 |
39aef685 | 95 | select FSL_EMB_PERFMON |
a0ae9c7c AB |
96 | bool |
97 | ||
98 | config PPC_FPU | |
99 | bool | |
100 | default y if PPC64 | |
101 | ||
102 | config 4xx | |
103 | bool | |
104 | depends on 40x || 44x | |
105 | default y | |
106 | ||
107 | config BOOKE | |
108 | bool | |
109 | depends on E200 || E500 || 44x | |
110 | default y | |
111 | ||
112 | config FSL_BOOKE | |
113 | bool | |
114 | depends on E200 || E500 | |
115 | default y | |
116 | ||
39aef685 | 117 | config FSL_EMB_PERFMON |
ad562c71 AF |
118 | bool "Freescale Embedded Perfmon" |
119 | depends on E500 || PPC_83xx | |
120 | help | |
121 | This is the Performance Monitor support found on the e500 core | |
122 | and some e300 cores (c3 and c4). Select this only if your | |
123 | core supports the Embedded Performance Monitor APU | |
39aef685 | 124 | |
a0ae9c7c AB |
125 | config PTE_64BIT |
126 | bool | |
127 | depends on 44x || E500 | |
128 | default y if 44x | |
129 | default y if E500 && PHYS_64BIT | |
130 | ||
131 | config PHYS_64BIT | |
132 | bool 'Large physical address support' if E500 | |
133 | depends on 44x || E500 | |
134 | select RESOURCES_64BIT | |
135 | default y if 44x | |
136 | ---help--- | |
137 | This option enables kernel support for larger than 32-bit physical | |
138 | addresses. This features is not be available on all e500 cores. | |
139 | ||
140 | If in doubt, say N here. | |
141 | ||
142 | config ALTIVEC | |
143 | bool "AltiVec Support" | |
144 | depends on CLASSIC32 || POWER4 | |
145 | ---help--- | |
146 | This option enables kernel support for the Altivec extensions to the | |
147 | PowerPC processor. The kernel currently supports saving and restoring | |
148 | altivec registers, and turning on the 'altivec enable' bit so user | |
149 | processes can execute altivec instructions. | |
150 | ||
151 | This option is only usefully if you have a processor that supports | |
152 | altivec (G4, otherwise known as 74xx series), but does not have | |
153 | any affect on a non-altivec cpu (it does, however add code to the | |
154 | kernel). | |
155 | ||
156 | If in doubt, say Y here. | |
157 | ||
158 | config SPE | |
159 | bool "SPE Support" | |
160 | depends on E200 || E500 | |
161 | default y | |
162 | ---help--- | |
163 | This option enables kernel support for the Signal Processing | |
164 | Extensions (SPE) to the PowerPC processor. The kernel currently | |
165 | supports saving and restoring SPE registers, and turning on the | |
166 | 'spe enable' bit so user processes can execute SPE instructions. | |
167 | ||
168 | This option is only useful if you have a processor that supports | |
169 | SPE (e500, otherwise known as 85xx series), but does not have any | |
170 | effect on a non-spe cpu (it does, however add code to the kernel). | |
171 | ||
172 | If in doubt, say Y here. | |
173 | ||
174 | config PPC_STD_MMU | |
175 | bool | |
176 | depends on 6xx || POWER3 || POWER4 || PPC64 | |
177 | default y | |
178 | ||
179 | config PPC_STD_MMU_32 | |
180 | def_bool y | |
181 | depends on PPC_STD_MMU && PPC32 | |
182 | ||
183 | config PPC_MM_SLICES | |
184 | bool | |
185 | default y if HUGETLB_PAGE | |
186 | default n | |
187 | ||
188 | config VIRT_CPU_ACCOUNTING | |
189 | bool "Deterministic task and CPU time accounting" | |
190 | depends on PPC64 | |
191 | default y | |
192 | help | |
193 | Select this option to enable more accurate task and CPU time | |
194 | accounting. This is done by reading a CPU counter on each | |
195 | kernel entry and exit and on transitions within the kernel | |
196 | between system, softirq and hardirq state, so there is a | |
197 | small performance impact. This also enables accounting of | |
198 | stolen time on logically-partitioned systems running on | |
199 | IBM POWER5-based machines. | |
200 | ||
201 | If in doubt, say Y here. | |
202 | ||
203 | config SMP | |
204 | depends on PPC_STD_MMU | |
205 | bool "Symmetric multi-processing support" | |
206 | ---help--- | |
207 | This enables support for systems with more than one CPU. If you have | |
208 | a system with only one CPU, say N. If you have a system with more | |
209 | than one CPU, say Y. Note that the kernel does not currently | |
210 | support SMP machines with 603/603e/603ev or PPC750 ("G3") processors | |
211 | since they have inadequate hardware support for multiprocessor | |
212 | operation. | |
213 | ||
214 | If you say N here, the kernel will run on single and multiprocessor | |
215 | machines, but will use only one CPU of a multiprocessor machine. If | |
216 | you say Y here, the kernel will run on single-processor machines. | |
217 | On a single-processor machine, the kernel will run faster if you say | |
218 | N here. | |
219 | ||
220 | If you don't know what to do here, say N. | |
221 | ||
222 | config NR_CPUS | |
223 | int "Maximum number of CPUs (2-128)" | |
224 | range 2 128 | |
225 | depends on SMP | |
226 | default "32" if PPC64 | |
227 | default "4" | |
228 | ||
229 | config NOT_COHERENT_CACHE | |
230 | bool | |
e177edcd | 231 | depends on 4xx || 8xx || E200 || PPC_MPC512x |
a0ae9c7c AB |
232 | default y |
233 | ||
f8eb77d6 | 234 | config CHECK_CACHE_COHERENCY |
a0ae9c7c AB |
235 | bool |
236 | ||
237 | endmenu |