1 menu "Processor selection"
7 select SH_WRITETHROUGH if !CPU_SH2A
23 select CPU_HAS_PTEA if (!CPU_SUBTYPE_ST40 && !CPU_SH4A) || CPU_SHX2
33 config CPU_SUBTYPE_ST40
36 select CPU_HAS_INTC2_IRQ
45 comment "SH-2 Processor Support"
47 config CPU_SUBTYPE_SH7604
48 bool "Support SH7604 processor"
51 config CPU_SUBTYPE_SH7619
52 bool "Support SH7619 processor"
55 comment "SH-2A Processor Support"
57 config CPU_SUBTYPE_SH7206
58 bool "Support SH7206 processor"
61 comment "SH-3 Processor Support"
63 config CPU_SUBTYPE_SH7300
64 bool "Support SH7300 processor"
67 config CPU_SUBTYPE_SH7705
68 bool "Support SH7705 processor"
70 select CPU_HAS_IPR_IRQ
71 select CPU_HAS_PINT_IRQ
73 config CPU_SUBTYPE_SH7706
74 bool "Support SH7706 processor"
76 select CPU_HAS_IPR_IRQ
78 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
80 config CPU_SUBTYPE_SH7707
81 bool "Support SH7707 processor"
83 select CPU_HAS_PINT_IRQ
85 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
87 config CPU_SUBTYPE_SH7708
88 bool "Support SH7708 processor"
91 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
92 if you have a 100 Mhz SH-3 HD6417708R CPU.
94 config CPU_SUBTYPE_SH7709
95 bool "Support SH7709 processor"
97 select CPU_HAS_IPR_IRQ
98 select CPU_HAS_PINT_IRQ
100 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
102 config CPU_SUBTYPE_SH7710
103 bool "Support SH7710 processor"
105 select CPU_HAS_IPR_IRQ
107 Select SH7710 if you have a SH3-DSP SH7710 CPU.
109 config CPU_SUBTYPE_SH7712
110 bool "Support SH7712 processor"
112 select CPU_HAS_IPR_IRQ
114 Select SH7712 if you have a SH3-DSP SH7712 CPU.
116 comment "SH-4 Processor Support"
118 config CPU_SUBTYPE_SH7750
119 bool "Support SH7750 processor"
121 select CPU_HAS_IPR_IRQ
123 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
125 config CPU_SUBTYPE_SH7091
126 bool "Support SH7091 processor"
128 select CPU_SUBTYPE_SH7750
130 Select SH7091 if you have an SH-4 based Sega device (such as
131 the Dreamcast, Naomi, and Naomi 2).
133 config CPU_SUBTYPE_SH7750R
134 bool "Support SH7750R processor"
136 select CPU_SUBTYPE_SH7750
137 select CPU_HAS_IPR_IRQ
139 config CPU_SUBTYPE_SH7750S
140 bool "Support SH7750S processor"
142 select CPU_SUBTYPE_SH7750
143 select CPU_HAS_IPR_IRQ
145 config CPU_SUBTYPE_SH7751
146 bool "Support SH7751 processor"
148 select CPU_HAS_IPR_IRQ
150 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
151 or if you have a HD6417751R CPU.
153 config CPU_SUBTYPE_SH7751R
154 bool "Support SH7751R processor"
156 select CPU_SUBTYPE_SH7751
157 select CPU_HAS_IPR_IRQ
159 config CPU_SUBTYPE_SH7760
160 bool "Support SH7760 processor"
162 select CPU_HAS_INTC2_IRQ
163 select CPU_HAS_IPR_IRQ
165 config CPU_SUBTYPE_SH4_202
166 bool "Support SH4-202 processor"
169 comment "ST40 Processor Support"
171 config CPU_SUBTYPE_ST40STB1
172 bool "Support ST40STB1/ST40RA processors"
173 select CPU_SUBTYPE_ST40
175 Select ST40STB1 if you have a ST40RA CPU.
176 This was previously called the ST40STB1, hence the option name.
178 config CPU_SUBTYPE_ST40GX1
179 bool "Support ST40GX1 processor"
180 select CPU_SUBTYPE_ST40
182 Select ST40GX1 if you have a ST40GX1 CPU.
184 comment "SH-4A Processor Support"
186 config CPU_SUBTYPE_SH7770
187 bool "Support SH7770 processor"
190 config CPU_SUBTYPE_SH7780
191 bool "Support SH7780 processor"
193 select CPU_HAS_INTC2_IRQ
195 config CPU_SUBTYPE_SH7785
196 bool "Support SH7785 processor"
199 select CPU_HAS_INTC2_IRQ
201 comment "SH4AL-DSP Processor Support"
203 config CPU_SUBTYPE_SH73180
204 bool "Support SH73180 processor"
207 config CPU_SUBTYPE_SH7343
208 bool "Support SH7343 processor"
211 config CPU_SUBTYPE_SH7722
212 bool "Support SH7722 processor"
215 select CPU_HAS_IPR_IRQ
219 menu "Memory management options"
225 bool "Support for memory management hardware"
229 Some SH processors (such as SH-2/SH-2A) lack an MMU. In order to
230 boot on these systems, this option must not be set.
232 On other systems (such as the SH-3 and 4) where an MMU exists,
233 turning this off will boot the kernel on these machines with the
234 MMU implicitly switched off.
238 default "0x80000000" if MMU
242 hex "Physical memory start address"
245 Computers built with Hitachi SuperH processors always
246 map the ROM starting at address zero. But the processor
247 does not specify the range that RAM takes.
249 The physical memory (RAM) start address will be automatically
250 set to 08000000. Other platforms, such as the Solution Engine
251 boards typically map RAM at 0C000000.
253 Tweak this only when porting to a new machine which does not
254 already have a defconfig. Changing it from the known correct
255 value on any of the known systems will only lead to disaster.
258 hex "Physical memory size"
261 This sets the default memory size assumed by your SH kernel. It can
262 be overridden as normal by the 'mem=' argument on the kernel command
263 line. If unsure, consult your board specifications or just leave it
264 as 0x00400000 which was the default value before this became
268 bool "Support 32-bit physical addressing through PMB"
269 depends on CPU_SH4A && MMU && (!X2TLB || BROKEN)
272 If you say Y here, physical addressing will be extended to
273 32-bits through the SH-4A PMB. If this is not set, legacy
274 29-bit physical addressing will be used.
277 bool "Enable extended TLB mode"
278 depends on CPU_SHX2 && MMU && EXPERIMENTAL
280 Selecting this option will enable the extended mode of the SH-X2
281 TLB. For legacy SH-X behaviour and interoperability, say N. For
282 all of the fun new features and a willingless to submit bug reports,
286 bool "Support vsyscall page"
290 This will enable support for the kernel mapping a vDSO page
291 in process space, and subsequently handing down the entry point
292 to the libc through the ELF auxiliary vector.
294 From the kernel side this is used for the signal trampoline.
295 For systems with an MMU that can afford to give up a page,
296 (the default value) say Y.
301 depends on NEED_MULTIPLE_NODES
303 config ARCH_FLATMEM_ENABLE
306 config MAX_ACTIVE_REGIONS
310 config ARCH_POPULATES_NODE_MAP
314 prompt "Kernel page size"
315 default PAGE_SIZE_4KB
320 This is the default page size used by all SuperH CPUs.
324 depends on EXPERIMENTAL && X2TLB
326 This enables 8kB pages as supported by SH-X2 and later MMUs.
328 config PAGE_SIZE_64KB
330 depends on EXPERIMENTAL && CPU_SH4
332 This enables support for 64kB pages, possible on all SH-4
333 CPUs and later. Highly experimental, not recommended.
338 prompt "HugeTLB page size"
339 depends on HUGETLB_PAGE && CPU_SH4 && MMU
340 default HUGETLB_PAGE_SIZE_64K
342 config HUGETLB_PAGE_SIZE_64K
345 config HUGETLB_PAGE_SIZE_256K
349 config HUGETLB_PAGE_SIZE_1MB
352 config HUGETLB_PAGE_SIZE_4MB
356 config HUGETLB_PAGE_SIZE_64MB
366 menu "Cache configuration"
368 config SH7705_CACHE_32KB
369 bool "Enable 32KB cache size for SH7705"
370 depends on CPU_SUBTYPE_SH7705
373 config SH_DIRECT_MAPPED
374 bool "Use direct-mapped caching"
377 Selecting this option will configure the caches to be direct-mapped,
378 even if the cache supports a 2 or 4-way mode. This is useful primarily
379 for debugging on platforms with 2 and 4-way caches (SH7750R/SH7751R,
380 SH4-202, SH4-501, etc.)
382 Turn this option off for platforms that do not have a direct-mapped
383 cache, and you have no need to run the caches in such a configuration.
385 config SH_WRITETHROUGH
386 bool "Use write-through caching"
388 Selecting this option will configure the caches in write-through
389 mode, as opposed to the default write-back configuration.
391 Since there's sill some aliasing issues on SH-4, this option will
392 unfortunately still require the majority of flushing functions to
393 be implemented to deal with aliasing.
398 bool "Operand Cache RAM (OCRAM) support"
400 Selecting this option will automatically tear down the number of
401 sets in the dcache by half, which in turn exposes a memory range.
403 The addresses for the OC RAM base will vary according to the
404 processor version. Consult vendor documentation for specifics.