Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # For a description of the syntax of this configuration file, |
| 2 | # see Documentation/kbuild/kconfig-language.txt. |
| 3 | # |
| 4 | |
| 5 | mainmenu "Linux/SPARC Kernel Configuration" |
| 6 | |
Bastian Blank | 761b602 | 2009-01-04 23:03:10 -0800 | [diff] [blame] | 7 | config 64BIT |
| 8 | bool "64-bit kernel" if ARCH = "sparc" |
| 9 | default ARCH = "sparc64" |
| 10 | help |
| 11 | SPARC is a family of RISC microprocessors designed and marketed by |
| 12 | Sun Microsystems, incorporated. They are very widely found in Sun |
| 13 | workstations and clones. |
| 14 | |
| 15 | Say yes to build a 64-bit kernel - formerly known as sparc64 |
| 16 | Say no to build a 32-bit kernel - formerly known as sparc |
| 17 | |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 18 | config SPARC |
| 19 | bool |
| 20 | default y |
Stephen Rothwell | 7b14c64 | 2010-06-29 12:44:50 +1000 | [diff] [blame] | 21 | select OF |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 22 | select HAVE_IDE |
| 23 | select HAVE_OPROFILE |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 24 | select HAVE_ARCH_KGDB if !SMP || SPARC64 |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 25 | select HAVE_ARCH_TRACEHOOK |
| 26 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 27 | select RTC_CLASS |
| 28 | select RTC_DRV_M48T59 |
Peter Zijlstra | e360adb | 2010-10-14 14:01:34 +0800 | [diff] [blame] | 29 | select HAVE_IRQ_WORK |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 30 | select HAVE_PERF_EVENTS |
Peter Zijlstra | 906010b | 2009-09-21 16:08:49 +0200 | [diff] [blame] | 31 | select PERF_USE_VMALLOC |
FUJITA Tomonori | 02f7a18 | 2009-08-10 11:53:13 +0900 | [diff] [blame] | 32 | select HAVE_DMA_ATTRS |
FUJITA Tomonori | 451d740 | 2009-08-10 11:53:17 +0900 | [diff] [blame] | 33 | select HAVE_DMA_API_DEBUG |
Steven Rostedt | 46eb3b6 | 2010-09-22 23:10:23 -0400 | [diff] [blame] | 34 | select HAVE_ARCH_JUMP_LABEL |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 35 | |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 36 | config SPARC32 |
Bastian Blank | 761b602 | 2009-01-04 23:03:10 -0800 | [diff] [blame] | 37 | def_bool !64BIT |
Sam Ravnborg | 35da3e3 | 2008-11-15 13:40:12 -0800 | [diff] [blame] | 38 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 39 | config SPARC64 |
Bastian Blank | 761b602 | 2009-01-04 23:03:10 -0800 | [diff] [blame] | 40 | def_bool 64BIT |
Sam Ravnborg | 5bc0530 | 2008-12-27 00:56:29 -0800 | [diff] [blame] | 41 | select ARCH_SUPPORTS_MSI |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 42 | select HAVE_FUNCTION_TRACER |
David S. Miller | 9960e9e | 2010-04-07 04:41:33 -0700 | [diff] [blame] | 43 | select HAVE_FUNCTION_GRAPH_TRACER |
| 44 | select HAVE_FUNCTION_GRAPH_FP_TEST |
David S. Miller | 63b7549 | 2010-04-12 22:35:24 -0700 | [diff] [blame] | 45 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 46 | select HAVE_KRETPROBES |
| 47 | select HAVE_KPROBES |
Yinghai Lu | 95f72d1 | 2010-07-12 14:36:09 +1000 | [diff] [blame] | 48 | select HAVE_MEMBLOCK |
Christian Borntraeger | 67605d6 | 2009-01-19 20:21:49 -0800 | [diff] [blame] | 49 | select HAVE_SYSCALL_WRAPPERS |
David S. Miller | 9be12f9 | 2009-06-13 01:03:24 -0700 | [diff] [blame] | 50 | select HAVE_DYNAMIC_FTRACE |
| 51 | select HAVE_FTRACE_MCOUNT_RECORD |
David S. Miller | c658ad1 | 2009-12-11 00:44:47 -0800 | [diff] [blame] | 52 | select HAVE_SYSCALL_TRACEPOINTS |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 53 | select USE_GENERIC_SMP_HELPERS if SMP |
| 54 | select RTC_DRV_CMOS |
| 55 | select RTC_DRV_BQ4802 |
| 56 | select RTC_DRV_SUN4V |
| 57 | select RTC_DRV_STARFIRE |
Peter Zijlstra | e360adb | 2010-10-14 14:01:34 +0800 | [diff] [blame] | 58 | select HAVE_IRQ_WORK |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 59 | select HAVE_PERF_EVENTS |
Peter Zijlstra | 906010b | 2009-09-21 16:08:49 +0200 | [diff] [blame] | 60 | select PERF_USE_VMALLOC |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 61 | |
Sam Ravnborg | 5e53879 | 2008-12-02 23:17:12 -0800 | [diff] [blame] | 62 | config ARCH_DEFCONFIG |
| 63 | string |
| 64 | default "arch/sparc/configs/sparc32_defconfig" if SPARC32 |
| 65 | default "arch/sparc/configs/sparc64_defconfig" if SPARC64 |
| 66 | |
Sam Ravnborg | fe6875e | 2008-12-26 15:35:16 -0800 | [diff] [blame] | 67 | # CONFIG_BITS can be used at source level to get 32/64 bits |
| 68 | config BITS |
| 69 | int |
| 70 | default 32 if SPARC32 |
| 71 | default 64 if SPARC64 |
Sam Ravnborg | 5e53879 | 2008-12-02 23:17:12 -0800 | [diff] [blame] | 72 | |
John Stultz | 0299b13 | 2010-01-15 01:34:28 -0800 | [diff] [blame] | 73 | config ARCH_USES_GETTIMEOFFSET |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 74 | bool |
John Stultz | 0299b13 | 2010-01-15 01:34:28 -0800 | [diff] [blame] | 75 | default y if SPARC32 |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 76 | |
| 77 | config GENERIC_CMOS_UPDATE |
| 78 | bool |
John Stultz | f5c9c9b | 2010-03-03 19:57:27 -0800 | [diff] [blame] | 79 | default y |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 80 | |
| 81 | config GENERIC_CLOCKEVENTS |
| 82 | bool |
| 83 | default y if SPARC64 |
| 84 | |
| 85 | config IOMMU_HELPER |
| 86 | bool |
| 87 | default y if SPARC64 |
| 88 | |
| 89 | config QUICKLIST |
| 90 | bool |
| 91 | default y if SPARC64 |
| 92 | |
| 93 | config STACKTRACE_SUPPORT |
| 94 | bool |
| 95 | default y if SPARC64 |
| 96 | |
| 97 | config LOCKDEP_SUPPORT |
| 98 | bool |
| 99 | default y if SPARC64 |
| 100 | |
David S. Miller | 6a5726d | 2008-11-28 01:19:41 -0800 | [diff] [blame] | 101 | config HAVE_LATENCYTOP_SUPPORT |
| 102 | bool |
| 103 | default y if SPARC64 |
| 104 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 105 | config AUDIT_ARCH |
| 106 | bool |
David S. Miller | 7e7e93a | 2008-12-05 22:18:40 -0800 | [diff] [blame] | 107 | default y |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 108 | |
| 109 | config HAVE_SETUP_PER_CPU_AREA |
| 110 | def_bool y if SPARC64 |
| 111 | |
Tejun Heo | bcb2107 | 2009-08-14 15:00:53 +0900 | [diff] [blame] | 112 | config NEED_PER_CPU_EMBED_FIRST_CHUNK |
David S. Miller | 4fd78a5 | 2009-04-08 20:32:02 -0700 | [diff] [blame] | 113 | def_bool y if SPARC64 |
| 114 | |
Tejun Heo | a70c691 | 2009-09-24 18:18:55 +0900 | [diff] [blame] | 115 | config NEED_PER_CPU_PAGE_FIRST_CHUNK |
| 116 | def_bool y if SPARC64 |
| 117 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 118 | config GENERIC_HARDIRQS_NO__DO_IRQ |
| 119 | bool |
| 120 | def_bool y if SPARC64 |
| 121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | config MMU |
| 123 | bool |
| 124 | default y |
| 125 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | config HIGHMEM |
| 127 | bool |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 128 | default y if SPARC32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 130 | config ZONE_DMA |
| 131 | bool |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 132 | default y if SPARC32 |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 133 | |
FUJITA Tomonori | d15b51b | 2010-03-10 15:23:28 -0800 | [diff] [blame] | 134 | config NEED_DMA_MAP_STATE |
| 135 | def_bool y |
| 136 | |
FUJITA Tomonori | 18e9830 | 2010-05-26 14:44:32 -0700 | [diff] [blame] | 137 | config NEED_SG_DMA_LENGTH |
| 138 | def_bool y |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | config GENERIC_ISA_DMA |
| 141 | bool |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 142 | default y if SPARC32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
David S. Miller | 15df0f3 | 2008-08-20 23:03:24 -0700 | [diff] [blame] | 144 | config GENERIC_GPIO |
| 145 | bool |
| 146 | help |
| 147 | Generic GPIO API support |
| 148 | |
Stephen Rothwell | 0785b9d | 2007-07-18 00:09:30 -0700 | [diff] [blame] | 149 | config ARCH_NO_VIRT_TO_BUS |
| 150 | def_bool y |
| 151 | |
Akinobu Mita | 6a11f75 | 2009-03-31 15:23:17 -0700 | [diff] [blame] | 152 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
| 153 | def_bool y if SPARC64 |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | source "init/Kconfig" |
| 156 | |
Matt Helsley | dc52ddc | 2008-10-18 20:27:21 -0700 | [diff] [blame] | 157 | source "kernel/Kconfig.freezer" |
| 158 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 159 | menu "Processor type and features" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | config SMP |
| 162 | bool "Symmetric multi-processing support (does not work on sun4/sun4c)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | ---help--- |
| 164 | This enables support for systems with more than one CPU. If you have |
| 165 | a system with only one CPU, say N. If you have a system with more |
| 166 | than one CPU, say Y. |
| 167 | |
| 168 | If you say N here, the kernel will run on single and multiprocessor |
| 169 | machines, but will use only one CPU of a multiprocessor machine. If |
| 170 | you say Y here, the kernel will run on many, but not all, |
| 171 | singleprocessor machines. On a singleprocessor machine, the kernel |
| 172 | will run faster if you say N here. |
| 173 | |
| 174 | People using multiprocessor machines who say Y here should also say |
| 175 | Y to "Enhanced Real Time Clock Support", below. The "Advanced Power |
| 176 | Management" code will be disabled if you say Y here. |
| 177 | |
Adrian Bunk | 03502fa | 2008-02-03 15:50:21 +0200 | [diff] [blame] | 178 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
| 179 | available at <http://www.tldp.org/docs.html#howto>. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | |
| 181 | If you don't know what to do here, say N. |
| 182 | |
| 183 | config NR_CPUS |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 184 | int "Maximum number of CPUs" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | depends on SMP |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 186 | range 2 32 if SPARC32 |
| 187 | range 2 1024 if SPARC64 |
| 188 | default 32 if SPARC32 |
| 189 | default 64 if SPARC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 191 | source kernel/Kconfig.hz |
| 192 | |
| 193 | config RWSEM_GENERIC_SPINLOCK |
| 194 | bool |
| 195 | default y if SPARC32 |
| 196 | |
| 197 | config RWSEM_XCHGADD_ALGORITHM |
| 198 | bool |
| 199 | default y if SPARC64 |
| 200 | |
| 201 | config GENERIC_FIND_NEXT_BIT |
| 202 | bool |
| 203 | default y |
| 204 | |
| 205 | config GENERIC_HWEIGHT |
| 206 | bool |
| 207 | default y if !ULTRA_HAS_POPULATION_COUNT |
| 208 | |
| 209 | config GENERIC_CALIBRATE_DELAY |
| 210 | bool |
| 211 | default y |
| 212 | |
| 213 | config ARCH_MAY_HAVE_PC_FDC |
| 214 | bool |
| 215 | default y |
| 216 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 217 | config EMULATED_CMPXCHG |
| 218 | bool |
| 219 | default y if SPARC32 |
| 220 | help |
| 221 | Sparc32 does not have a CAS instruction like sparc64. cmpxchg() |
| 222 | is emulated, and therefore it is not completely atomic. |
| 223 | |
Sam Ravnborg | d670bd4 | 2008-12-03 03:08:37 -0800 | [diff] [blame] | 224 | # Makefile helpers |
| 225 | config SPARC32_SMP |
| 226 | bool |
| 227 | default y |
| 228 | depends on SPARC32 && SMP |
| 229 | |
| 230 | config SPARC64_SMP |
| 231 | bool |
| 232 | default y |
| 233 | depends on SPARC64 && SMP |
| 234 | |
David S. Miller | c57ec52 | 2009-11-27 17:33:43 -0800 | [diff] [blame] | 235 | config EARLYFB |
| 236 | bool "Support for early boot text console" |
| 237 | default y |
| 238 | depends on SPARC64 |
| 239 | help |
| 240 | Say Y here to enable a faster early framebuffer boot console. |
| 241 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 242 | choice |
| 243 | prompt "Kernel page size" if SPARC64 |
| 244 | default SPARC64_PAGE_SIZE_8KB |
| 245 | |
| 246 | config SPARC64_PAGE_SIZE_8KB |
| 247 | bool "8KB" |
| 248 | help |
| 249 | This lets you select the page size of the kernel. |
| 250 | |
| 251 | 8KB and 64KB work quite well, since SPARC ELF sections |
| 252 | provide for up to 64KB alignment. |
| 253 | |
| 254 | If you don't know what to do, choose 8KB. |
| 255 | |
| 256 | config SPARC64_PAGE_SIZE_64KB |
| 257 | bool "64KB" |
| 258 | |
| 259 | endchoice |
| 260 | |
| 261 | config SECCOMP |
| 262 | bool "Enable seccomp to safely compute untrusted bytecode" |
| 263 | depends on SPARC64 && PROC_FS |
| 264 | default y |
| 265 | help |
| 266 | This kernel feature is useful for number crunching applications |
| 267 | that may need to compute untrusted bytecode during their |
| 268 | execution. By using pipes or other transports made available to |
| 269 | the process as file descriptors supporting the read/write |
| 270 | syscalls, it's possible to isolate those applications in |
| 271 | their own address space using seccomp. Once seccomp is |
| 272 | enabled via /proc/<pid>/seccomp, it cannot be disabled |
| 273 | and the task is only allowed to execute a few safe syscalls |
| 274 | defined by each seccomp mode. |
| 275 | |
| 276 | If unsure, say Y. Only embedded should say N here. |
| 277 | |
| 278 | config HOTPLUG_CPU |
| 279 | bool "Support for hot-pluggable CPUs" |
| 280 | depends on SPARC64 && SMP |
| 281 | select HOTPLUG |
| 282 | help |
| 283 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 284 | can be controlled through /sys/devices/system/cpu/cpu#. |
| 285 | Say N if you want to disable CPU hotplug. |
| 286 | |
| 287 | config GENERIC_HARDIRQS |
| 288 | bool |
| 289 | default y if SPARC64 |
| 290 | |
| 291 | source "kernel/time/Kconfig" |
| 292 | |
| 293 | if SPARC64 |
| 294 | source "drivers/cpufreq/Kconfig" |
| 295 | |
| 296 | config US3_FREQ |
| 297 | tristate "UltraSPARC-III CPU Frequency driver" |
| 298 | depends on CPU_FREQ |
| 299 | select CPU_FREQ_TABLE |
| 300 | help |
| 301 | This adds the CPUFreq driver for UltraSPARC-III processors. |
| 302 | |
| 303 | For details, take a look at <file:Documentation/cpu-freq>. |
| 304 | |
| 305 | If in doubt, say N. |
| 306 | |
| 307 | config US2E_FREQ |
| 308 | tristate "UltraSPARC-IIe CPU Frequency driver" |
| 309 | depends on CPU_FREQ |
| 310 | select CPU_FREQ_TABLE |
| 311 | help |
| 312 | This adds the CPUFreq driver for UltraSPARC-IIe processors. |
| 313 | |
| 314 | For details, take a look at <file:Documentation/cpu-freq>. |
| 315 | |
| 316 | If in doubt, say N. |
| 317 | |
| 318 | endif |
| 319 | |
| 320 | config US3_MC |
| 321 | tristate "UltraSPARC-III Memory Controller driver" |
| 322 | depends on SPARC64 |
| 323 | default y |
| 324 | help |
| 325 | This adds a driver for the UltraSPARC-III memory controller. |
| 326 | Loading this driver allows exact mnemonic strings to be |
| 327 | printed in the event of a memory error, so that the faulty DIMM |
| 328 | on the motherboard can be matched to the error. |
| 329 | |
| 330 | If in doubt, say Y, as this information can be very useful. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | |
| 332 | # Global things across all Sun machines. |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 333 | config GENERIC_LOCKBREAK |
| 334 | bool |
| 335 | default y |
| 336 | depends on SPARC64 && SMP && PREEMPT |
| 337 | |
| 338 | choice |
| 339 | prompt "SPARC64 Huge TLB Page Size" |
| 340 | depends on SPARC64 && HUGETLB_PAGE |
| 341 | default HUGETLB_PAGE_SIZE_4MB |
| 342 | |
| 343 | config HUGETLB_PAGE_SIZE_4MB |
| 344 | bool "4MB" |
| 345 | |
| 346 | config HUGETLB_PAGE_SIZE_512K |
| 347 | bool "512K" |
| 348 | |
| 349 | config HUGETLB_PAGE_SIZE_64K |
| 350 | depends on !SPARC64_PAGE_SIZE_64KB |
| 351 | bool "64K" |
| 352 | |
| 353 | endchoice |
| 354 | |
| 355 | config NUMA |
| 356 | bool "NUMA support" |
| 357 | depends on SPARC64 && SMP |
| 358 | |
| 359 | config NODES_SHIFT |
| 360 | int |
| 361 | default "4" |
| 362 | depends on NEED_MULTIPLE_NODES |
| 363 | |
| 364 | # Some NUMA nodes have memory ranges that span |
| 365 | # other nodes. Even though a pfn is valid and |
| 366 | # between a node's start and end pfns, it may not |
| 367 | # reside on that node. See memmap_init_zone() |
| 368 | # for details. |
| 369 | config NODES_SPAN_OTHER_NODES |
| 370 | def_bool y |
| 371 | depends on NEED_MULTIPLE_NODES |
| 372 | |
| 373 | config ARCH_POPULATES_NODE_MAP |
| 374 | def_bool y if SPARC64 |
| 375 | |
| 376 | config ARCH_SELECT_MEMORY_MODEL |
| 377 | def_bool y if SPARC64 |
| 378 | |
| 379 | config ARCH_SPARSEMEM_ENABLE |
| 380 | def_bool y if SPARC64 |
| 381 | select SPARSEMEM_VMEMMAP_ENABLE |
| 382 | |
| 383 | config ARCH_SPARSEMEM_DEFAULT |
| 384 | def_bool y if SPARC64 |
| 385 | |
| 386 | source "mm/Kconfig" |
| 387 | |
| 388 | config SCHED_SMT |
| 389 | bool "SMT (Hyperthreading) scheduler support" |
| 390 | depends on SPARC64 && SMP |
| 391 | default y |
| 392 | help |
| 393 | SMT scheduler support improves the CPU scheduler's decision making |
| 394 | when dealing with SPARC cpus at a cost of slightly increased overhead |
| 395 | in some places. If unsure say N here. |
| 396 | |
| 397 | config SCHED_MC |
| 398 | bool "Multi-core scheduler support" |
| 399 | depends on SPARC64 && SMP |
| 400 | default y |
| 401 | help |
| 402 | Multi-core scheduler support improves the CPU scheduler's decision |
| 403 | making when dealing with multi-core CPU chips at a cost of slightly |
| 404 | increased overhead in some places. If unsure say N here. |
| 405 | |
| 406 | if SPARC64 |
| 407 | source "kernel/Kconfig.preempt" |
| 408 | endif |
| 409 | |
| 410 | config CMDLINE_BOOL |
| 411 | bool "Default bootloader kernel arguments" |
| 412 | depends on SPARC64 |
| 413 | |
| 414 | config CMDLINE |
| 415 | string "Initial kernel command string" |
| 416 | depends on CMDLINE_BOOL |
| 417 | default "console=ttyS0,9600 root=/dev/sda1" |
| 418 | help |
| 419 | Say Y here if you want to be able to pass default arguments to |
| 420 | the kernel. This will be overridden by the bootloader, if you |
| 421 | use one (such as SILO). This is most useful if you want to boot |
| 422 | a kernel from TFTP, and want default options to be available |
| 423 | with having them passed on the command line. |
| 424 | |
| 425 | NOTE: This option WILL override the PROM bootargs setting! |
| 426 | |
| 427 | config SUN_PM |
| 428 | bool |
| 429 | default y if SPARC32 |
| 430 | help |
| 431 | Enable power management and CPU standby features on supported |
| 432 | SPARC platforms. |
| 433 | |
| 434 | config SPARC_LED |
| 435 | tristate "Sun4m LED driver" |
| 436 | depends on SPARC32 |
| 437 | help |
| 438 | This driver toggles the front-panel LED on sun4m systems |
| 439 | in a user-specifiable manner. Its state can be probed |
| 440 | by reading /proc/led and its blinking mode can be changed |
| 441 | via writes to /proc/led |
| 442 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | config SERIAL_CONSOLE |
| 444 | bool |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 445 | depends on SPARC32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | default y |
| 447 | ---help--- |
| 448 | If you say Y here, it will be possible to use a serial port as the |
| 449 | system console (the system console is the device which receives all |
| 450 | kernel messages and warnings and which allows logins in single user |
| 451 | mode). This could be useful if some terminal or printer is connected |
| 452 | to that serial port. |
| 453 | |
| 454 | Even if you say Y here, the currently visible virtual console |
| 455 | (/dev/tty0) will still be used as the system console by default, but |
| 456 | you can alter that using a kernel command line option such as |
| 457 | "console=ttyS1". (Try "man bootparam" or see the documentation of |
| 458 | your boot loader (silo) about how to pass options to the kernel at |
| 459 | boot time.) |
| 460 | |
| 461 | If you don't have a graphics card installed and you say Y here, the |
| 462 | kernel will automatically use the first serial line, /dev/ttyS0, as |
| 463 | system console. |
| 464 | |
| 465 | If unsure, say N. |
| 466 | |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 467 | config SPARC_LEON |
| 468 | bool "Sparc Leon processor family" |
| 469 | depends on SPARC32 |
| 470 | ---help--- |
| 471 | If you say Y here if you are running on a SPARC-LEON processor. |
| 472 | The LEON processor is a synthesizable VHDL model of the |
| 473 | SPARC-v8 standard. LEON is part of the GRLIB collection of |
| 474 | IP cores that are distributed under GPL. GRLIB can be downloaded |
| 475 | from www.gaisler.com. You can download a sparc-linux cross-compilation |
| 476 | toolchain at www.gaisler.com. |
| 477 | |
Sam Ravnborg | 4b27e0e | 2008-11-15 13:44:31 -0800 | [diff] [blame] | 478 | endmenu |
| 479 | |
| 480 | menu "Bus options (PCI etc.)" |
Sam Ravnborg | 4b27e0e | 2008-11-15 13:44:31 -0800 | [diff] [blame] | 481 | config SBUS |
| 482 | bool |
| 483 | default y |
| 484 | |
| 485 | config SBUSCHAR |
| 486 | bool |
| 487 | default y |
| 488 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 489 | config SUN_LDOMS |
| 490 | bool "Sun Logical Domains support" |
| 491 | depends on SPARC64 |
| 492 | help |
| 493 | Say Y here is you want to support virtual devices via |
| 494 | Logical Domains. |
| 495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | config PCI |
| 497 | bool "Support for PCI and PS/2 keyboard/mouse" |
| 498 | help |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 499 | Find out whether your system includes a PCI bus. PCI is the name of |
| 500 | a bus system, i.e. the way the CPU talks to the other stuff inside |
| 501 | your box. If you say Y here, the kernel will include drivers and |
| 502 | infrastructure code to support PCI bus devices. |
| 503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | CONFIG_PCI is needed for all JavaStation's (including MrCoffee), |
| 505 | CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC. |
| 506 | All of these platforms are extremely obscure, so say N if unsure. |
| 507 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 508 | config PCI_DOMAINS |
| 509 | def_bool PCI if SPARC64 |
| 510 | |
Matthew Wilcox | 36e2359 | 2007-07-10 10:54:40 -0600 | [diff] [blame] | 511 | config PCI_SYSCALL |
| 512 | def_bool PCI |
| 513 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | source "drivers/pci/Kconfig" |
| 515 | |
David S. Miller | c6afec5 | 2008-11-23 21:50:16 -0800 | [diff] [blame] | 516 | source "drivers/pcmcia/Kconfig" |
| 517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | config SUN_OPENPROMFS |
| 519 | tristate "Openprom tree appears in /proc/openprom" |
| 520 | help |
| 521 | If you say Y, the OpenPROM device tree will be available as a |
| 522 | virtual file system, which you can mount to /proc/openprom by "mount |
| 523 | -t openpromfs none /proc/openprom". |
| 524 | |
| 525 | To compile the /proc/openprom support as a module, choose M here: the |
| 526 | module will be called openpromfs. |
| 527 | |
| 528 | Only choose N if you know in advance that you will not need to modify |
| 529 | OpenPROM settings on the running system. |
| 530 | |
Sam Ravnborg | d670bd4 | 2008-12-03 03:08:37 -0800 | [diff] [blame] | 531 | # Makefile helpers |
| 532 | config SPARC32_PCI |
| 533 | bool |
| 534 | default y |
| 535 | depends on SPARC32 && PCI |
| 536 | |
| 537 | config SPARC64_PCI |
| 538 | bool |
| 539 | default y |
| 540 | depends on SPARC64 && PCI |
William Lee Irwin III | 30aaa80 | 2005-06-23 00:10:18 -0700 | [diff] [blame] | 541 | |
| 542 | endmenu |
| 543 | |
Sam Ravnborg | 12e271a | 2008-11-15 13:43:49 -0800 | [diff] [blame] | 544 | menu "Executable file formats" |
| 545 | |
| 546 | source "fs/Kconfig.binfmt" |
| 547 | |
Sam Ravnborg | 26b4c91 | 2008-11-16 20:01:17 -0800 | [diff] [blame] | 548 | config COMPAT |
| 549 | bool |
| 550 | depends on SPARC64 |
| 551 | default y |
| 552 | select COMPAT_BINFMT_ELF |
| 553 | |
| 554 | config SYSVIPC_COMPAT |
| 555 | bool |
| 556 | depends on COMPAT && SYSVIPC |
| 557 | default y |
| 558 | |
Sam Ravnborg | 12e271a | 2008-11-15 13:43:49 -0800 | [diff] [blame] | 559 | endmenu |
| 560 | |
Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 561 | source "net/Kconfig" |
| 562 | |
William Lee Irwin III | 30aaa80 | 2005-06-23 00:10:18 -0700 | [diff] [blame] | 563 | source "drivers/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | source "drivers/sbus/char/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | source "fs/Kconfig" |
| 568 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | source "arch/sparc/Kconfig.debug" |
| 570 | |
| 571 | source "security/Kconfig" |
| 572 | |
| 573 | source "crypto/Kconfig" |
| 574 | |
| 575 | source "lib/Kconfig" |