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Diffstat (limited to 'arch/sh/mm/Kconfig')
-rw-r--r-- | arch/sh/mm/Kconfig | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig new file mode 100644 index 000000000000..fb586b1cf8bb --- /dev/null +++ b/arch/sh/mm/Kconfig | |||
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1 | menu "Processor selection" | ||
2 | |||
3 | # | ||
4 | # Processor families | ||
5 | # | ||
6 | config CPU_SH2 | ||
7 | bool | ||
8 | select SH_WRITETHROUGH | ||
9 | |||
10 | config CPU_SH3 | ||
11 | bool | ||
12 | select CPU_HAS_INTEVT | ||
13 | select CPU_HAS_SR_RB | ||
14 | |||
15 | config CPU_SH4 | ||
16 | bool | ||
17 | select CPU_HAS_INTEVT | ||
18 | select CPU_HAS_SR_RB | ||
19 | |||
20 | config CPU_SH4A | ||
21 | bool | ||
22 | select CPU_SH4 | ||
23 | select CPU_HAS_INTC2_IRQ | ||
24 | |||
25 | config CPU_SUBTYPE_ST40 | ||
26 | bool | ||
27 | select CPU_SH4 | ||
28 | select CPU_HAS_INTC2_IRQ | ||
29 | |||
30 | # | ||
31 | # Processor subtypes | ||
32 | # | ||
33 | |||
34 | comment "SH-2 Processor Support" | ||
35 | |||
36 | config CPU_SUBTYPE_SH7604 | ||
37 | bool "Support SH7604 processor" | ||
38 | select CPU_SH2 | ||
39 | |||
40 | comment "SH-3 Processor Support" | ||
41 | |||
42 | config CPU_SUBTYPE_SH7300 | ||
43 | bool "Support SH7300 processor" | ||
44 | select CPU_SH3 | ||
45 | |||
46 | config CPU_SUBTYPE_SH7705 | ||
47 | bool "Support SH7705 processor" | ||
48 | select CPU_SH3 | ||
49 | select CPU_HAS_PINT_IRQ | ||
50 | |||
51 | config CPU_SUBTYPE_SH7707 | ||
52 | bool "Support SH7707 processor" | ||
53 | select CPU_SH3 | ||
54 | select CPU_HAS_PINT_IRQ | ||
55 | help | ||
56 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | ||
57 | |||
58 | config CPU_SUBTYPE_SH7708 | ||
59 | bool "Support SH7708 processor" | ||
60 | select CPU_SH3 | ||
61 | help | ||
62 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | ||
63 | if you have a 100 Mhz SH-3 HD6417708R CPU. | ||
64 | |||
65 | config CPU_SUBTYPE_SH7709 | ||
66 | bool "Support SH7709 processor" | ||
67 | select CPU_SH3 | ||
68 | select CPU_HAS_PINT_IRQ | ||
69 | help | ||
70 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | ||
71 | |||
72 | comment "SH-4 Processor Support" | ||
73 | |||
74 | config CPU_SUBTYPE_SH7750 | ||
75 | bool "Support SH7750 processor" | ||
76 | select CPU_SH4 | ||
77 | help | ||
78 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | ||
79 | |||
80 | config CPU_SUBTYPE_SH7091 | ||
81 | bool "Support SH7091 processor" | ||
82 | select CPU_SH4 | ||
83 | select CPU_SUBTYPE_SH7750 | ||
84 | help | ||
85 | Select SH7091 if you have an SH-4 based Sega device (such as | ||
86 | the Dreamcast, Naomi, and Naomi 2). | ||
87 | |||
88 | config CPU_SUBTYPE_SH7750R | ||
89 | bool "Support SH7750R processor" | ||
90 | select CPU_SH4 | ||
91 | select CPU_SUBTYPE_SH7750 | ||
92 | |||
93 | config CPU_SUBTYPE_SH7750S | ||
94 | bool "Support SH7750S processor" | ||
95 | select CPU_SH4 | ||
96 | select CPU_SUBTYPE_SH7750 | ||
97 | |||
98 | config CPU_SUBTYPE_SH7751 | ||
99 | bool "Support SH7751 processor" | ||
100 | select CPU_SH4 | ||
101 | help | ||
102 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | ||
103 | or if you have a HD6417751R CPU. | ||
104 | |||
105 | config CPU_SUBTYPE_SH7751R | ||
106 | bool "Support SH7751R processor" | ||
107 | select CPU_SH4 | ||
108 | select CPU_SUBTYPE_SH7751 | ||
109 | |||
110 | config CPU_SUBTYPE_SH7760 | ||
111 | bool "Support SH7760 processor" | ||
112 | select CPU_SH4 | ||
113 | select CPU_HAS_INTC2_IRQ | ||
114 | |||
115 | config CPU_SUBTYPE_SH4_202 | ||
116 | bool "Support SH4-202 processor" | ||
117 | select CPU_SH4 | ||
118 | |||
119 | comment "ST40 Processor Support" | ||
120 | |||
121 | config CPU_SUBTYPE_ST40STB1 | ||
122 | bool "Support ST40STB1/ST40RA processors" | ||
123 | select CPU_SUBTYPE_ST40 | ||
124 | help | ||
125 | Select ST40STB1 if you have a ST40RA CPU. | ||
126 | This was previously called the ST40STB1, hence the option name. | ||
127 | |||
128 | config CPU_SUBTYPE_ST40GX1 | ||
129 | bool "Support ST40GX1 processor" | ||
130 | select CPU_SUBTYPE_ST40 | ||
131 | help | ||
132 | Select ST40GX1 if you have a ST40GX1 CPU. | ||
133 | |||
134 | comment "SH-4A Processor Support" | ||
135 | |||
136 | config CPU_SUBTYPE_SH73180 | ||
137 | bool "Support SH73180 processor" | ||
138 | select CPU_SH4A | ||
139 | |||
140 | config CPU_SUBTYPE_SH7770 | ||
141 | bool "Support SH7770 processor" | ||
142 | select CPU_SH4A | ||
143 | |||
144 | config CPU_SUBTYPE_SH7780 | ||
145 | bool "Support SH7780 processor" | ||
146 | select CPU_SH4A | ||
147 | |||
148 | endmenu | ||
149 | |||
150 | menu "Memory management options" | ||
151 | |||
152 | config MMU | ||
153 | bool "Support for memory management hardware" | ||
154 | depends on !CPU_SH2 | ||
155 | default y | ||
156 | help | ||
157 | Some SH processors (such as SH-2/SH-2A) lack an MMU. In order to | ||
158 | boot on these systems, this option must not be set. | ||
159 | |||
160 | On other systems (such as the SH-3 and 4) where an MMU exists, | ||
161 | turning this off will boot the kernel on these machines with the | ||
162 | MMU implicitly switched off. | ||
163 | |||
164 | config 32BIT | ||
165 | bool "Support 32-bit physical addressing through PMB" | ||
166 | depends on CPU_SH4A | ||
167 | default y | ||
168 | help | ||
169 | If you say Y here, physical addressing will be extended to | ||
170 | 32-bits through the SH-4A PMB. If this is not set, legacy | ||
171 | 29-bit physical addressing will be used. | ||
172 | |||
173 | choice | ||
174 | prompt "HugeTLB page size" | ||
175 | depends on HUGETLB_PAGE && CPU_SH4 && MMU | ||
176 | default HUGETLB_PAGE_SIZE_64K | ||
177 | |||
178 | config HUGETLB_PAGE_SIZE_64K | ||
179 | bool "64K" | ||
180 | |||
181 | config HUGETLB_PAGE_SIZE_1MB | ||
182 | bool "1MB" | ||
183 | |||
184 | endchoice | ||
185 | |||
186 | source "mm/Kconfig" | ||
187 | |||
188 | endmenu | ||
189 | |||
190 | menu "Cache configuration" | ||
191 | |||
192 | config SH7705_CACHE_32KB | ||
193 | bool "Enable 32KB cache size for SH7705" | ||
194 | depends on CPU_SUBTYPE_SH7705 | ||
195 | default y | ||
196 | |||
197 | config SH_DIRECT_MAPPED | ||
198 | bool "Use direct-mapped caching" | ||
199 | default n | ||
200 | help | ||
201 | Selecting this option will configure the caches to be direct-mapped, | ||
202 | even if the cache supports a 2 or 4-way mode. This is useful primarily | ||
203 | for debugging on platforms with 2 and 4-way caches (SH7750R/SH7751R, | ||
204 | SH4-202, SH4-501, etc.) | ||
205 | |||
206 | Turn this option off for platforms that do not have a direct-mapped | ||
207 | cache, and you have no need to run the caches in such a configuration. | ||
208 | |||
209 | config SH_WRITETHROUGH | ||
210 | bool "Use write-through caching" | ||
211 | default y if CPU_SH2 | ||
212 | help | ||
213 | Selecting this option will configure the caches in write-through | ||
214 | mode, as opposed to the default write-back configuration. | ||
215 | |||
216 | Since there's sill some aliasing issues on SH-4, this option will | ||
217 | unfortunately still require the majority of flushing functions to | ||
218 | be implemented to deal with aliasing. | ||
219 | |||
220 | If unsure, say N. | ||
221 | |||
222 | config SH_OCRAM | ||
223 | bool "Operand Cache RAM (OCRAM) support" | ||
224 | help | ||
225 | Selecting this option will automatically tear down the number of | ||
226 | sets in the dcache by half, which in turn exposes a memory range. | ||
227 | |||
228 | The addresses for the OC RAM base will vary according to the | ||
229 | processor version. Consult vendor documentation for specifics. | ||
230 | |||
231 | If unsure, say N. | ||
232 | |||
233 | endmenu | ||