1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5 6mainmenu "Linux/PA-RISC Kernel Configuration" 7 8config PARISC 9 def_bool y 10 help 11 The PA-RISC microprocessor is designed by Hewlett-Packard and used 12 in many of their workstations & servers (HP9000 700 and 800 series, 13 and later HP3000 series). The PA-RISC Linux project home page is 14 at <http://www.parisc-linux.org/>. 15 16config MMU 17 def_bool y 18 19config STACK_GROWSUP 20 def_bool y 21 22config GENERIC_LOCKBREAK 23 bool 24 default y 25 depends on SMP && PREEMPT 26 27config RWSEM_GENERIC_SPINLOCK 28 def_bool y 29 30config RWSEM_XCHGADD_ALGORITHM 31 bool 32 33config ARCH_HAS_ILOG2_U32 34 bool 35 default n 36 37config ARCH_HAS_ILOG2_U64 38 bool 39 default n 40 41config GENERIC_FIND_NEXT_BIT 42 bool 43 default y 44 45config GENERIC_BUG 46 bool 47 default y 48 depends on BUG 49 50config GENERIC_HWEIGHT 51 bool 52 default y 53 54config GENERIC_CALIBRATE_DELAY 55 bool 56 default y 57 58config GENERIC_TIME 59 bool 60 default y 61 62config TIME_LOW_RES 63 bool 64 depends on SMP 65 default y 66 67config GENERIC_HARDIRQS 68 def_bool y 69 70config GENERIC_IRQ_PROBE 71 def_bool y 72 73config IRQ_PER_CPU 74 bool 75 default y 76 77# unless you want to implement ACPI on PA-RISC ... ;-) 78config PM 79 bool 80 81config ISA_DMA_API 82 bool 83 84config ARCH_MAY_HAVE_PC_FDC 85 bool 86 depends on BROKEN 87 default y 88 89source "init/Kconfig" 90 91 92menu "Processor type and features" 93 94choice 95 prompt "Processor type" 96 default PA7000 97 98config PA7000 99 bool "PA7000/PA7100" 100 ---help--- 101 This is the processor type of your CPU. This information is 102 used for optimizing purposes. In order to compile a kernel 103 that can run on all 32-bit PA CPUs (albeit not optimally fast), 104 you can specify "PA7000" here. 105 106 Specifying "PA8000" here will allow you to select a 64-bit kernel 107 which is required on some machines. 108 109config PA7100LC 110 bool "PA7100LC" 111 help 112 Select this option for the PCX-L processor, as used in the 113 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 114 D200, D210, D300, D310 and E-class 115 116config PA7200 117 bool "PA7200" 118 help 119 Select this option for the PCX-T' processor, as used in the 120 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 121 K100, K200, K210, K220, K400, K410 and K420 122 123config PA7300LC 124 bool "PA7300LC" 125 help 126 Select this option for the PCX-L2 processor, as used in the 127 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 128 D220, D230, D320 and D330. 129 130config PA8X00 131 bool "PA8000 and up" 132 help 133 Select this option for PCX-U to PCX-W2 processors. 134 135endchoice 136 137# Define implied options from the CPU selection here 138 139config PA20 140 def_bool y 141 depends on PA8X00 142 143config PA11 144 def_bool y 145 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 146 147config PREFETCH 148 def_bool y 149 depends on PA8X00 || PA7200 150 151config 64BIT 152 bool "64-bit kernel" 153 depends on PA8X00 154 help 155 Enable this if you want to support 64bit kernel on PA-RISC platform. 156 157 At the moment, only people willing to use more than 2GB of RAM, 158 or having a 64bit-only capable PA-RISC machine should say Y here. 159 160 Since there is no 64bit userland on PA-RISC, there is no point to 161 enable this option otherwise. The 64bit kernel is significantly bigger 162 and slower than the 32bit one. 163 164choice 165 prompt "Kernel page size" 166 default PARISC_PAGE_SIZE_4KB if !64BIT 167 default PARISC_PAGE_SIZE_4KB if 64BIT 168# default PARISC_PAGE_SIZE_16KB if 64BIT 169 170config PARISC_PAGE_SIZE_4KB 171 bool "4KB" 172 help 173 This lets you select the page size of the kernel. For best 174 performance, a page size of 16KB is recommended. For best 175 compatibility with 32bit applications, a page size of 4KB should be 176 selected (the vast majority of 32bit binaries work perfectly fine 177 with a larger page size). 178 179 4KB For best 32bit compatibility 180 16KB For best performance 181 64KB For best performance, might give more overhead. 182 183 If you don't know what to do, choose 4KB. 184 185config PARISC_PAGE_SIZE_16KB 186 bool "16KB (EXPERIMENTAL)" 187 depends on PA8X00 && EXPERIMENTAL 188 189config PARISC_PAGE_SIZE_64KB 190 bool "64KB (EXPERIMENTAL)" 191 depends on PA8X00 && EXPERIMENTAL 192 193endchoice 194 195config SMP 196 bool "Symmetric multi-processing support" 197 ---help--- 198 This enables support for systems with more than one CPU. If you have 199 a system with only one CPU, like most personal computers, say N. If 200 you have a system with more than one CPU, say Y. 201 202 If you say N here, the kernel will run on single and multiprocessor 203 machines, but will use only one CPU of a multiprocessor machine. If 204 you say Y here, the kernel will run on many, but not all, 205 singleprocessor machines. On a singleprocessor machine, the kernel 206 will run faster if you say N here. 207 208 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 209 available at <http://www.tldp.org/docs.html#howto>. 210 211 If you don't know what to do here, say N. 212 213config HOTPLUG_CPU 214 bool 215 default y if SMP 216 select HOTPLUG 217 218config ARCH_SELECT_MEMORY_MODEL 219 def_bool y 220 depends on 64BIT 221 222config ARCH_DISCONTIGMEM_ENABLE 223 def_bool y 224 depends on 64BIT 225 226config ARCH_FLATMEM_ENABLE 227 def_bool y 228 229config ARCH_DISCONTIGMEM_DEFAULT 230 def_bool y 231 depends on ARCH_DISCONTIGMEM_ENABLE 232 233config NODES_SHIFT 234 int 235 default "3" 236 depends on NEED_MULTIPLE_NODES 237 238source "kernel/Kconfig.preempt" 239source "kernel/Kconfig.hz" 240source "mm/Kconfig" 241 242config COMPAT 243 def_bool y 244 depends on 64BIT 245 246config HPUX 247 bool "Support for HP-UX binaries" 248 depends on !64BIT 249 250config NR_CPUS 251 int "Maximum number of CPUs (2-32)" 252 range 2 32 253 depends on SMP 254 default "32" 255 256endmenu 257 258 259source "drivers/parisc/Kconfig" 260 261 262menu "Executable file formats" 263 264source "fs/Kconfig.binfmt" 265 266endmenu 267 268source "net/Kconfig" 269 270source "drivers/Kconfig" 271 272source "fs/Kconfig" 273 274source "kernel/Kconfig.instrumentation" 275 276source "arch/parisc/Kconfig.debug" 277 278source "security/Kconfig" 279 280source "crypto/Kconfig" 281 282source "lib/Kconfig" 283