diff options
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 | |||
| @@ -0,0 +1,233 @@ | |||
| 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 | ||
