Lines Matching +full:default +full:- +full:on

1 # SPDX-License-Identifier: GPL-2.0
6 depends on !CPU_SH2
10 default y
12 Some SH processors (such as SH-2/SH-2A) lack an MMU. In order to
13 boot on these systems, this option must not be set.
15 On other systems (such as the SH-3 and 4) where an MMU exists,
16 turning this off will boot the kernel on these machines with the
26 On MMU-less systems, any of these page sizes can be selected
30 default "0x80000000" if MMU
31 default "0x00000000"
35 default "8" if PAGE_SIZE_16KB
36 default "6" if PAGE_SIZE_64KB
37 default "13" if !MMU
38 default "10"
44 overriding the default setting when ability to allocate very
54 default "0x08000000"
66 value on any of the known systems will only lead to disaster.
70 default "0x04000000"
72 This sets the default memory size assumed by your SH kernel. It can
73 be overridden as normal by the 'mem=' argument on the kernel command
75 as 0x04000000 which was the default value before this became
86 default !MMU
89 bool "Support 32-bit physical addressing through PMB"
90 depends on MMU && CPU_SH4A && !CPU_SH4AL_DSP
95 32-bits through the SH-4A PMB. If this is not set, legacy
96 29-bit physical addressing will be used.
100 depends on (CPU_SHX2 || CPU_SHX3) && MMU
104 depends on MMU && (CPU_SH3 || CPU_SH4)
105 default y
113 (the default value) say Y.
116 bool "Non-Uniform Memory Access (NUMA) Support"
117 depends on MMU && SYS_SUPPORTS_NUMA
119 default n
129 default "3" if CPU_SUBTYPE_SHX3
130 default "1"
131 depends on NUMA
135 depends on !NUMA
149 depends on X2TLB
160 depends on HUGETLB_PAGE
161 default HUGETLB_PAGE_SIZE_1MB if PAGE_SIZE_64KB
162 default HUGETLB_PAGE_SIZE_64K
166 depends on !PAGE_SIZE_64KB
170 depends on X2TLB
177 depends on X2TLB
181 depends on X2TLB
186 bool "Multi-core scheduler support"
187 depends on SMP
188 default y
190 Multi-core scheduler support improves the CPU scheduler's decision
191 making when dealing with multi-core CPU chips at a cost of slightly
200 depends on CPU_SUBTYPE_SH7705
201 default y
205 default CACHE_WRITEBACK if CPU_SH2A || CPU_SH3 || CPU_SH4
206 default CACHE_WRITETHROUGH if (CPU_SH2 && !CPU_SH2A)
209 bool "Write-back"
212 bool "Write-through"
214 Selecting this option will configure the caches in write-through
215 mode, as opposed to the default write-back configuration.
217 Since there's sill some aliasing issues on SH-4, this option will