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