Arnd Bergmann | a0ae9c7 | 2007-06-13 02:30:17 +1000 | [diff] [blame] | 1 | source "arch/powerpc/platforms/Kconfig.cputype" |
Johannes Berg | 17e638b | 2007-03-19 11:53:53 +0100 | [diff] [blame] | 2 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 3 | config PPC32 |
| 4 | bool |
| 5 | default y if !PPC64 |
| 6 | |
kerstin jonsson | 234a71a | 2010-10-22 00:17:55 +0000 | [diff] [blame] | 7 | config 32BIT |
| 8 | bool |
| 9 | default y if PPC32 |
| 10 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 11 | config 64BIT |
| 12 | bool |
| 13 | default y if PPC64 |
| 14 | |
Stephen Rothwell | 2578bfa | 2007-09-21 10:16:20 +1000 | [diff] [blame] | 15 | config WORD_SIZE |
| 16 | int |
| 17 | default 64 if PPC64 |
| 18 | default 32 if !PPC64 |
| 19 | |
Jeremy Fitzhardinge | 600715d | 2008-09-11 01:31:45 -0700 | [diff] [blame] | 20 | config ARCH_PHYS_ADDR_T_64BIT |
| 21 | def_bool PPC64 || PHYS_64BIT |
| 22 | |
FUJITA Tomonori | 787d44c | 2010-10-01 11:12:54 +0000 | [diff] [blame] | 23 | config ARCH_DMA_ADDR_T_64BIT |
| 24 | def_bool ARCH_PHYS_ADDR_T_64BIT |
| 25 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 26 | config MMU |
| 27 | bool |
| 28 | default y |
| 29 | |
Tony Breeds | aa3be5f | 2007-09-21 13:26:02 +1000 | [diff] [blame] | 30 | config GENERIC_CMOS_UPDATE |
| 31 | def_bool y |
| 32 | |
Tony Breeds | 4a4cfe3 | 2007-09-22 07:35:52 +1000 | [diff] [blame] | 33 | config GENERIC_TIME_VSYSCALL |
| 34 | def_bool y |
| 35 | |
Tony Breeds | d831d0b | 2007-09-21 13:26:03 +1000 | [diff] [blame] | 36 | config GENERIC_CLOCKEVENTS |
| 37 | def_bool y |
| 38 | |
Tejun Heo | c2a7e81 | 2009-08-14 15:00:53 +0900 | [diff] [blame] | 39 | config HAVE_SETUP_PER_CPU_AREA |
Tejun Heo | e74e396 | 2009-03-30 19:07:44 +0900 | [diff] [blame] | 40 | def_bool PPC64 |
| 41 | |
Tejun Heo | c2a7e81 | 2009-08-14 15:00:53 +0900 | [diff] [blame] | 42 | config NEED_PER_CPU_EMBED_FIRST_CHUNK |
travis@sgi.com | b32ef63 | 2008-01-30 13:32:51 +0100 | [diff] [blame] | 43 | def_bool PPC64 |
| 44 | |
Michael Ellerman | 551b81f | 2009-10-13 19:44:44 +0000 | [diff] [blame] | 45 | config NR_IRQS |
| 46 | int "Number of virtual interrupt numbers" |
Anton Blanchard | 859aefc | 2010-01-31 01:14:03 +0000 | [diff] [blame] | 47 | range 32 32768 |
Michael Ellerman | 551b81f | 2009-10-13 19:44:44 +0000 | [diff] [blame] | 48 | default "512" |
| 49 | help |
| 50 | This defines the number of virtual interrupt numbers the kernel |
| 51 | can manage. Virtual interrupt numbers are what you see in |
| 52 | /proc/interrupts. If you configure your system to have too few, |
| 53 | drivers will fail to load or worse - handle with care. |
| 54 | |
Christoph Hellwig | fd3e0bb | 2008-04-17 14:35:00 +1000 | [diff] [blame] | 55 | config STACKTRACE_SUPPORT |
| 56 | bool |
| 57 | default y |
| 58 | |
Arnd Bergmann | 01f4b8b | 2008-07-11 00:08:18 +1000 | [diff] [blame] | 59 | config HAVE_LATENCYTOP_SUPPORT |
| 60 | def_bool y |
| 61 | |
Benjamin Herrenschmidt | 945feb1 | 2008-04-17 14:35:01 +1000 | [diff] [blame] | 62 | config TRACE_IRQFLAGS_SUPPORT |
| 63 | bool |
Benjamin Herrenschmidt | 945feb1 | 2008-04-17 14:35:01 +1000 | [diff] [blame] | 64 | default y |
| 65 | |
| 66 | config LOCKDEP_SUPPORT |
| 67 | bool |
| 68 | default y |
| 69 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 70 | config RWSEM_GENERIC_SPINLOCK |
| 71 | bool |
| 72 | |
| 73 | config RWSEM_XCHGADD_ALGORITHM |
| 74 | bool |
| 75 | default y |
| 76 | |
Nick Piggin | 95c354f | 2008-01-30 13:31:20 +0100 | [diff] [blame] | 77 | config GENERIC_LOCKBREAK |
| 78 | bool |
| 79 | default y |
| 80 | depends on SMP && PREEMPT |
| 81 | |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 82 | config ARCH_HAS_ILOG2_U32 |
| 83 | bool |
David Howells | ef55d53 | 2006-12-08 02:37:53 -0800 | [diff] [blame] | 84 | default y |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 85 | |
| 86 | config ARCH_HAS_ILOG2_U64 |
| 87 | bool |
David Howells | ef55d53 | 2006-12-08 02:37:53 -0800 | [diff] [blame] | 88 | default y if 64BIT |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 89 | |
Akinobu Mita | e779b2f | 2006-03-26 01:39:33 -0800 | [diff] [blame] | 90 | config GENERIC_HWEIGHT |
| 91 | bool |
| 92 | default y |
| 93 | |
Jon Mason | 0a9cb46 | 2006-05-19 15:35:32 -0500 | [diff] [blame] | 94 | config GENERIC_FIND_NEXT_BIT |
| 95 | bool |
| 96 | default y |
| 97 | |
Akinobu Mita | 0664996 | 2011-03-23 16:41:59 -0700 | [diff] [blame] | 98 | config GENERIC_FIND_BIT_LE |
| 99 | bool |
| 100 | default y |
| 101 | |
Anton Vorontsov | b7ce341 | 2008-04-11 23:06:36 +1000 | [diff] [blame] | 102 | config GENERIC_GPIO |
| 103 | bool |
| 104 | help |
| 105 | Generic GPIO API support |
| 106 | |
Stephen Rothwell | f057eac | 2007-07-15 23:40:05 -0700 | [diff] [blame] | 107 | config ARCH_NO_VIRT_TO_BUS |
| 108 | def_bool PPC64 |
| 109 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 110 | config PPC |
| 111 | bool |
| 112 | default y |
Stephen Rothwell | 10f85f4 | 2010-06-29 12:43:34 +1000 | [diff] [blame] | 113 | select OF |
Stephen Neuendorffer | e6ce132 | 2010-11-18 15:54:56 -0800 | [diff] [blame] | 114 | select OF_EARLY_FLATTREE |
Steven Rostedt | 2b79d69 | 2009-01-06 18:49:17 +0000 | [diff] [blame] | 115 | select HAVE_FTRACE_MCOUNT_RECORD |
| 116 | select HAVE_DYNAMIC_FTRACE |
Steven Rostedt | 606576c | 2008-10-06 19:06:12 -0400 | [diff] [blame] | 117 | select HAVE_FUNCTION_TRACER |
Steven Rostedt | 60ce8f7 | 2009-02-11 20:06:43 -0500 | [diff] [blame] | 118 | select HAVE_FUNCTION_GRAPH_TRACER |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 119 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Sam Ravnborg | ec7748b | 2008-02-09 10:46:40 +0100 | [diff] [blame] | 120 | select HAVE_IDE |
Benjamin Herrenschmidt | a1f242f | 2008-07-23 21:27:08 -0700 | [diff] [blame] | 121 | select HAVE_IOREMAP_PROT |
Johannes Berg | 58340a0 | 2008-07-25 01:45:33 -0700 | [diff] [blame] | 122 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
Mathieu Desnoyers | 3f55009 | 2008-02-02 15:10:35 -0500 | [diff] [blame] | 123 | select HAVE_KPROBES |
Jason Wessel | 17ce452 | 2008-07-23 11:30:15 -0500 | [diff] [blame] | 124 | select HAVE_ARCH_KGDB |
Ananth N Mavinakayanahalli | 9edddaa | 2008-03-04 14:28:37 -0800 | [diff] [blame] | 125 | select HAVE_KRETPROBES |
Roland McGrath | dec2b0d | 2008-07-27 16:53:20 +1000 | [diff] [blame] | 126 | select HAVE_ARCH_TRACEHOOK |
Yinghai Lu | 95f72d1 | 2010-07-12 14:36:09 +1000 | [diff] [blame] | 127 | select HAVE_MEMBLOCK |
FUJITA Tomonori | 46bab4e | 2009-08-04 19:08:26 +0000 | [diff] [blame] | 128 | select HAVE_DMA_ATTRS |
FUJITA Tomonori | 80d3e8a | 2009-08-04 19:08:28 +0000 | [diff] [blame] | 129 | select HAVE_DMA_API_DEBUG |
Jens Axboe | b7d7a24 | 2008-06-26 11:22:13 +0200 | [diff] [blame] | 130 | select USE_GENERIC_SMP_HELPERS if SMP |
Steven Rostedt | 4e491d1 | 2008-05-14 23:49:44 -0400 | [diff] [blame] | 131 | select HAVE_OPROFILE |
Benjamin Herrenschmidt | ee6a093 | 2009-01-14 14:14:00 +0100 | [diff] [blame] | 132 | select HAVE_SYSCALL_WRAPPERS if PPC64 |
Paul Mackerras | c2e95c6 | 2009-06-12 21:10:41 +0000 | [diff] [blame] | 133 | select GENERIC_ATOMIC64 if PPC32 |
Peter Zijlstra | e360adb | 2010-10-14 14:01:34 +0800 | [diff] [blame] | 134 | select HAVE_IRQ_WORK |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 135 | select HAVE_PERF_EVENTS |
Mahesh Salgaonkar | 359e428 | 2010-04-07 18:10:20 +1000 | [diff] [blame] | 136 | select HAVE_REGS_AND_STACK_ACCESS_API |
K.Prasad | 5aae8a5 | 2010-06-15 11:35:19 +0530 | [diff] [blame] | 137 | select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64 |
Thomas Gleixner | 2604362 | 2011-01-19 20:39:39 +0100 | [diff] [blame] | 138 | select HAVE_GENERIC_HARDIRQS |
| 139 | select HAVE_SPARSE_IRQ |
| 140 | select IRQ_PER_CPU |
Lennert Buytenhek | 17b9f9e | 2011-03-07 14:00:23 +0000 | [diff] [blame] | 141 | select GENERIC_HARDIRQS_NO_DEPRECATED |
Thomas Gleixner | 433c9c6 | 2011-03-25 17:04:59 +0100 | [diff] [blame^] | 142 | select GENERIC_IRQ_SHOW |
| 143 | select GENERIC_IRQ_SHOW_LEVEL |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 144 | |
| 145 | config EARLY_PRINTK |
| 146 | bool |
Benjamin Herrenschmidt | 51d3082 | 2005-11-23 17:57:25 +1100 | [diff] [blame] | 147 | default y |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 148 | |
| 149 | config COMPAT |
| 150 | bool |
| 151 | default y if PPC64 |
Roland McGrath | 01e31db | 2008-01-02 17:03:11 -0800 | [diff] [blame] | 152 | select COMPAT_BINFMT_ELF |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 153 | |
| 154 | config SYSVIPC_COMPAT |
| 155 | bool |
| 156 | depends on COMPAT && SYSVIPC |
| 157 | default y |
| 158 | |
| 159 | # All PPC32s use generic nvram driver through ppc_md |
| 160 | config GENERIC_NVRAM |
| 161 | bool |
| 162 | default y if PPC32 |
| 163 | |
Ingo Molnar | ae1e913 | 2008-11-11 09:05:16 +0100 | [diff] [blame] | 164 | config SCHED_OMIT_FRAME_POINTER |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 165 | bool |
| 166 | default y |
| 167 | |
| 168 | config ARCH_MAY_HAVE_PC_FDC |
| 169 | bool |
Stephen Rothwell | bed5927 | 2007-03-04 17:04:44 +1100 | [diff] [blame] | 170 | default !PPC_PSERIES || PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 171 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 172 | config PPC_OF |
| 173 | def_bool y |
| 174 | |
| 175 | config PPC_UDBG_16550 |
| 176 | bool |
| 177 | default n |
| 178 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 179 | config GENERIC_TBSYNC |
| 180 | bool |
| 181 | default y if PPC32 && SMP |
| 182 | default n |
| 183 | |
Al Viro | e65e1fc | 2006-09-12 03:04:40 -0400 | [diff] [blame] | 184 | config AUDIT_ARCH |
| 185 | bool |
| 186 | default y |
| 187 | |
Jeremy Fitzhardinge | 73c9cea | 2006-12-08 03:30:41 -0800 | [diff] [blame] | 188 | config GENERIC_BUG |
| 189 | bool |
| 190 | default y |
| 191 | depends on BUG |
| 192 | |
Johannes Berg | b302887 | 2007-03-20 05:18:02 +1100 | [diff] [blame] | 193 | config SYS_SUPPORTS_APM_EMULATION |
Kumar Gala | 58da10b | 2007-05-23 09:51:46 -0500 | [diff] [blame] | 194 | default y if PMAC_APM_EMU |
Johannes Berg | b302887 | 2007-03-20 05:18:02 +1100 | [diff] [blame] | 195 | bool |
| 196 | |
Kumar Gala | f4fc4a5 | 2006-01-16 10:53:22 -0600 | [diff] [blame] | 197 | config DEFAULT_UIMAGE |
| 198 | bool |
| 199 | help |
| 200 | Used to allow a board to specify it wants a uImage built by default |
| 201 | default n |
| 202 | |
Scott Wood | b09c164 | 2008-01-17 16:31:40 -0600 | [diff] [blame] | 203 | config REDBOOT |
| 204 | bool |
| 205 | |
Johannes Berg | 801e406 | 2007-12-08 02:12:39 +0100 | [diff] [blame] | 206 | config ARCH_HIBERNATION_POSSIBLE |
| 207 | bool |
Johannes Berg | 543b9fd | 2007-05-03 22:31:38 +1000 | [diff] [blame] | 208 | default y |
| 209 | |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 210 | config ARCH_SUSPEND_POSSIBLE |
| 211 | def_bool y |
Anton Vorontsov | 4ffd695 | 2009-09-16 01:43:57 +0400 | [diff] [blame] | 212 | depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ |
Victor Gallardo | d164f6d | 2010-10-08 10:25:27 +0000 | [diff] [blame] | 213 | PPC_85xx || PPC_86xx || PPC_PSERIES || 44x || 40x |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 214 | |
Benjamin Herrenschmidt | 4c75a6f | 2006-11-11 17:24:53 +1100 | [diff] [blame] | 215 | config PPC_DCR_NATIVE |
| 216 | bool |
| 217 | default n |
| 218 | |
| 219 | config PPC_DCR_MMIO |
| 220 | bool |
| 221 | default n |
| 222 | |
| 223 | config PPC_DCR |
| 224 | bool |
| 225 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO |
| 226 | default y |
| 227 | |
Benjamin Herrenschmidt | 4c9d280 | 2006-11-11 17:25:08 +1100 | [diff] [blame] | 228 | config PPC_OF_PLATFORM_PCI |
| 229 | bool |
Stephen Rothwell | 373a6da | 2007-12-21 15:37:07 +1100 | [diff] [blame] | 230 | depends on PCI |
Benjamin Herrenschmidt | 4c9d280 | 2006-11-11 17:25:08 +1100 | [diff] [blame] | 231 | depends on PPC64 # not supported on 32 bits yet |
| 232 | default n |
| 233 | |
Akinobu Mita | 6a11f75 | 2009-03-31 15:23:17 -0700 | [diff] [blame] | 234 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
| 235 | def_bool y |
| 236 | |
Dave Kleikamp | 172ae2e | 2010-02-08 11:50:57 +0000 | [diff] [blame] | 237 | config PPC_ADV_DEBUG_REGS |
| 238 | bool |
| 239 | depends on 40x || BOOKE |
| 240 | default y |
| 241 | |
| 242 | config PPC_ADV_DEBUG_IACS |
| 243 | int |
| 244 | depends on PPC_ADV_DEBUG_REGS |
| 245 | default 4 if 44x |
| 246 | default 2 |
| 247 | |
| 248 | config PPC_ADV_DEBUG_DACS |
| 249 | int |
| 250 | depends on PPC_ADV_DEBUG_REGS |
| 251 | default 2 |
| 252 | |
| 253 | config PPC_ADV_DEBUG_DVCS |
| 254 | int |
| 255 | depends on PPC_ADV_DEBUG_REGS |
| 256 | default 2 if 44x |
| 257 | default 0 |
| 258 | |
| 259 | config PPC_ADV_DEBUG_DAC_RANGE |
| 260 | bool |
| 261 | depends on PPC_ADV_DEBUG_REGS && 44x |
| 262 | default y |
| 263 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 264 | source "init/Kconfig" |
| 265 | |
Matt Helsley | dc52ddc | 2008-10-18 20:27:21 -0700 | [diff] [blame] | 266 | source "kernel/Kconfig.freezer" |
| 267 | |
Benjamin Herrenschmidt | a2d2e1e | 2007-12-21 15:39:24 +1100 | [diff] [blame] | 268 | source "arch/powerpc/sysdev/Kconfig" |
Kumar Gala | 4330f5d | 2007-03-16 09:32:17 -0500 | [diff] [blame] | 269 | source "arch/powerpc/platforms/Kconfig" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 270 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 271 | menu "Kernel options" |
| 272 | |
| 273 | config HIGHMEM |
| 274 | bool "High memory support" |
| 275 | depends on PPC32 |
| 276 | |
Tony Breeds | 1ad7499 | 2007-09-21 13:26:03 +1000 | [diff] [blame] | 277 | source kernel/time/Kconfig |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 278 | source kernel/Kconfig.hz |
| 279 | source kernel/Kconfig.preempt |
| 280 | source "fs/Kconfig.binfmt" |
| 281 | |
Mel Gorman | ba72cb8 | 2007-11-28 16:21:13 -0800 | [diff] [blame] | 282 | config HUGETLB_PAGE_SIZE_VARIABLE |
| 283 | bool |
| 284 | depends on HUGETLB_PAGE |
| 285 | default y |
| 286 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 287 | config MATH_EMULATION |
| 288 | bool "Math emulation" |
Kumar Gala | 4d52719 | 2007-01-26 00:23:34 -0600 | [diff] [blame] | 289 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 290 | ---help--- |
| 291 | Some PowerPC chips designed for embedded applications do not have |
| 292 | a floating-point unit and therefore do not implement the |
| 293 | floating-point instructions in the PowerPC instruction set. If you |
| 294 | say Y here, the kernel will include code to emulate a floating-point |
| 295 | unit, which will allow programs that use floating-point |
| 296 | instructions to run. |
| 297 | |
Scott Wood | 5dd57a1 | 2007-09-18 15:29:35 -0500 | [diff] [blame] | 298 | config 8XX_MINIMAL_FPEMU |
| 299 | bool "Minimal math emulation for 8xx" |
| 300 | depends on 8xx && !MATH_EMULATION |
| 301 | help |
| 302 | Older arch/ppc kernels still emulated a few floating point |
| 303 | instructions such as load and store, even when full math |
| 304 | emulation is disabled. Say "Y" here if you want to preserve |
| 305 | this behavior. |
| 306 | |
| 307 | It is recommended that you build a soft-float userspace instead. |
| 308 | |
FUJITA Tomonori | fb3475e | 2008-02-04 22:28:08 -0800 | [diff] [blame] | 309 | config IOMMU_HELPER |
| 310 | def_bool PPC64 |
| 311 | |
Becky Bruce | ec3cf2e | 2009-05-14 12:42:28 +0000 | [diff] [blame] | 312 | config SWIOTLB |
| 313 | bool "SWIOTLB support" |
| 314 | default n |
| 315 | select IOMMU_HELPER |
| 316 | ---help--- |
| 317 | Support for IO bounce buffering for systems without an IOMMU. |
| 318 | This allows us to DMA to the full physical address space on |
| 319 | platforms where the size of a physical address is larger |
| 320 | than the bus address. Not all platforms support this. |
| 321 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 322 | config HOTPLUG_CPU |
| 323 | bool "Support for enabling/disabling CPUs" |
| 324 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) |
| 325 | ---help--- |
| 326 | Say Y here to be able to disable and re-enable individual |
| 327 | CPUs at runtime on SMP machines. |
| 328 | |
| 329 | Say N if you are unsure. |
| 330 | |
Nathan Fontenot | 12633e8 | 2009-11-25 17:23:25 +0000 | [diff] [blame] | 331 | config ARCH_CPU_PROBE_RELEASE |
| 332 | def_bool y |
| 333 | depends on HOTPLUG_CPU |
| 334 | |
Yasunori Goto | cc57637 | 2006-06-29 02:24:27 -0700 | [diff] [blame] | 335 | config ARCH_ENABLE_MEMORY_HOTPLUG |
| 336 | def_bool y |
| 337 | |
Badari Pulavarty | a99824f | 2008-02-05 00:10:18 -0800 | [diff] [blame] | 338 | config ARCH_HAS_WALK_MEMORY |
| 339 | def_bool y |
| 340 | |
Badari Pulavarty | 1482471 | 2008-02-05 00:10:17 -0800 | [diff] [blame] | 341 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
| 342 | def_bool y |
| 343 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 344 | config KEXEC |
| 345 | bool "kexec system call (EXPERIMENTAL)" |
Matthew McClintock | f933a41 | 2010-07-21 16:14:53 -0500 | [diff] [blame] | 346 | depends on (PPC_BOOK3S || FSL_BOOKE) && EXPERIMENTAL |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 347 | help |
| 348 | kexec is a system call that implements the ability to shutdown your |
| 349 | current kernel, and to start another kernel. It is like a reboot |
Matt LaPlante | 1f1332f | 2006-06-29 01:32:47 -0400 | [diff] [blame] | 350 | but it is independent of the system firmware. And like a reboot |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 351 | you can start any kernel with it, not just Linux. |
| 352 | |
Matt LaPlante | 1f1332f | 2006-06-29 01:32:47 -0400 | [diff] [blame] | 353 | The name comes from the similarity to the exec system call. |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 354 | |
| 355 | It is an ongoing process to be certain the hardware in a machine |
| 356 | is properly shutdown, so do not be surprised if this code does not |
| 357 | initially work for you. It may help to enable device hotplugging |
| 358 | support. As of this writing the exact hardware interface is |
| 359 | strongly in flux, so no good recommendation can be made. |
| 360 | |
Haren Myneni | e8625d46 | 2006-01-14 13:48:25 -0800 | [diff] [blame] | 361 | config CRASH_DUMP |
Bernhard Walle | 3420b5d | 2008-06-27 03:02:15 +1000 | [diff] [blame] | 362 | bool "Build a kdump crash kernel" |
Matthew McClintock | f933a41 | 2010-07-21 16:14:53 -0500 | [diff] [blame] | 363 | depends on PPC64 || 6xx || FSL_BOOKE |
| 364 | select RELOCATABLE if PPC64 || FSL_BOOKE |
Haren Myneni | e8625d46 | 2006-01-14 13:48:25 -0800 | [diff] [blame] | 365 | help |
| 366 | Build a kernel suitable for use as a kdump capture kernel. |
Mohan Kumar M | 54622f1 | 2008-10-21 17:38:10 +0000 | [diff] [blame] | 367 | The same kernel binary can be used as production kernel and dump |
| 368 | capture kernel. |
Haren Myneni | e8625d46 | 2006-01-14 13:48:25 -0800 | [diff] [blame] | 369 | |
Manish Ahuja | 242f271 | 2008-03-22 10:50:50 +1100 | [diff] [blame] | 370 | config PHYP_DUMP |
| 371 | bool "Hypervisor-assisted dump (EXPERIMENTAL)" |
| 372 | depends on PPC_PSERIES && EXPERIMENTAL |
| 373 | help |
| 374 | Hypervisor-assisted dump is meant to be a kdump replacement |
| 375 | offering robustness and speed not possible without system |
Matt LaPlante | 692105b | 2009-01-26 11:12:25 +0100 | [diff] [blame] | 376 | hypervisor assistance. |
Manish Ahuja | 242f271 | 2008-03-22 10:50:50 +1100 | [diff] [blame] | 377 | |
| 378 | If unsure, say "N" |
| 379 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 380 | config PPCBUG_NVRAM |
| 381 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC |
| 382 | default y if PPC_PREP |
| 383 | |
| 384 | config IRQ_ALL_CPUS |
| 385 | bool "Distribute interrupts on all CPUs by default" |
| 386 | depends on SMP && !MV64360 |
| 387 | help |
| 388 | This option gives the kernel permission to distribute IRQs across |
| 389 | multiple CPUs. Saying N here will route all IRQs to the first |
| 390 | CPU. Generally saying Y is safe, although some problems have been |
| 391 | reported with SMP Power Macintoshes with this option enabled. |
| 392 | |
Andy Whitcroft | ffa27b6 | 2005-10-28 17:46:58 -0700 | [diff] [blame] | 393 | config NUMA |
| 394 | bool "NUMA support" |
| 395 | depends on PPC64 |
| 396 | default y if SMP && PPC_PSERIES |
| 397 | |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 398 | config NODES_SHIFT |
| 399 | int |
Anton Blanchard | ea55bf2 | 2009-09-21 19:56:43 +0000 | [diff] [blame] | 400 | default "8" if PPC64 |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 401 | default "4" |
| 402 | depends on NEED_MULTIPLE_NODES |
| 403 | |
Anton Blanchard | ea55bf2 | 2009-09-21 19:56:43 +0000 | [diff] [blame] | 404 | config MAX_ACTIVE_REGIONS |
| 405 | int |
| 406 | default "256" if PPC64 |
| 407 | default "32" |
| 408 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 409 | config ARCH_SELECT_MEMORY_MODEL |
| 410 | def_bool y |
| 411 | depends on PPC64 |
| 412 | |
| 413 | config ARCH_FLATMEM_ENABLE |
Andy Whitcroft | 9100b20 | 2005-11-29 19:20:55 +0000 | [diff] [blame] | 414 | def_bool y |
| 415 | depends on (PPC64 && !NUMA) || PPC32 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 416 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 417 | config ARCH_SPARSEMEM_ENABLE |
| 418 | def_bool y |
Andy Whitcroft | 9100b20 | 2005-11-29 19:20:55 +0000 | [diff] [blame] | 419 | depends on PPC64 |
Andy Whitcroft | d29eff7 | 2007-10-16 01:24:17 -0700 | [diff] [blame] | 420 | select SPARSEMEM_VMEMMAP_ENABLE |
Anton Blanchard | 45fb6ce | 2005-11-11 14:22:35 +1100 | [diff] [blame] | 421 | |
| 422 | config ARCH_SPARSEMEM_DEFAULT |
| 423 | def_bool y |
Benjamin Herrenschmidt | 78bde53 | 2007-02-13 11:46:06 +1100 | [diff] [blame] | 424 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 425 | |
Mel Gorman | c67c3cb | 2006-09-27 01:49:49 -0700 | [diff] [blame] | 426 | config ARCH_POPULATES_NODE_MAP |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 427 | def_bool y |
Mel Gorman | c67c3cb | 2006-09-27 01:49:49 -0700 | [diff] [blame] | 428 | |
Benjamin Herrenschmidt | 5a1eb5c | 2009-10-30 15:03:54 +1100 | [diff] [blame] | 429 | config SYS_SUPPORTS_HUGETLBFS |
| 430 | def_bool y |
| 431 | depends on PPC_BOOK3S_64 |
| 432 | |
Mel Gorman | c67c3cb | 2006-09-27 01:49:49 -0700 | [diff] [blame] | 433 | source "mm/Kconfig" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 434 | |
Mike Kravetz | 7e9191d | 2005-11-07 09:39:48 -0800 | [diff] [blame] | 435 | config ARCH_MEMORY_PROBE |
| 436 | def_bool y |
| 437 | depends on MEMORY_HOTPLUG |
| 438 | |
Andy Whitcroft | 7516795 | 2006-10-21 10:24:14 -0700 | [diff] [blame] | 439 | # Some NUMA nodes have memory ranges that span |
| 440 | # other nodes. Even though a pfn is valid and |
| 441 | # between a node's start and end pfns, it may not |
| 442 | # reside on that node. See memmap_init_zone() |
| 443 | # for details. |
| 444 | config NODES_SPAN_OTHER_NODES |
| 445 | def_bool y |
| 446 | depends on NEED_MULTIPLE_NODES |
| 447 | |
Benjamin Herrenschmidt | 16c2d47 | 2007-05-08 16:27:28 +1000 | [diff] [blame] | 448 | config PPC_HAS_HASH_64K |
| 449 | bool |
| 450 | depends on PPC64 |
| 451 | default n |
| 452 | |
Yuri Tikhonov | e124012 | 2009-01-29 01:40:44 +0000 | [diff] [blame] | 453 | config STDBINUTILS |
| 454 | bool "Using standard binutils settings" |
| 455 | depends on 44x |
| 456 | default y |
| 457 | help |
| 458 | Turning this option off allows you to select 256KB PAGE_SIZE on 44x. |
| 459 | Note, that kernel will be able to run only those applications, |
| 460 | which had been compiled using binutils later than 2.17.50.0.3 with |
| 461 | '-zmax-page-size' set to 256K (the default is 64K). Or, if using |
| 462 | the older binutils, you can patch them with a trivial patch, which |
| 463 | changes the ELF_MAXPAGESIZE definition from 0x10000 to 0x40000. |
| 464 | |
Ilya Yanok | ca9153a | 2008-12-11 04:55:41 +0300 | [diff] [blame] | 465 | choice |
| 466 | prompt "Page size" |
| 467 | default PPC_4K_PAGES |
Benjamin Herrenschmidt | 3c726f8 | 2005-11-07 11:06:55 +1100 | [diff] [blame] | 468 | help |
Ilya Yanok | ca9153a | 2008-12-11 04:55:41 +0300 | [diff] [blame] | 469 | Select the kernel logical page size. Increasing the page size |
| 470 | will reduce software overhead at each page boundary, allow |
| 471 | hardware prefetch mechanisms to be more effective, and allow |
| 472 | larger dma transfers increasing IO efficiency and reducing |
| 473 | overhead. However the utilization of memory will increase. |
| 474 | For example, each cached file will using a multiple of the |
| 475 | page size to hold its contents and the difference between the |
| 476 | end of file and the end of page is wasted. |
| 477 | |
| 478 | Some dedicated systems, such as software raid serving with |
| 479 | accelerated calculations, have shown significant increases. |
| 480 | |
| 481 | If you configure a 64 bit kernel for 64k pages but the |
| 482 | processor does not support them, then the kernel will simulate |
| 483 | them with 4k pages, loading them on demand, but with the |
| 484 | reduced software overhead and larger internal fragmentation. |
| 485 | For the 32 bit kernel, a large page option will not be offered |
| 486 | unless it is supported by the configured processor. |
| 487 | |
| 488 | If unsure, choose 4K_PAGES. |
| 489 | |
| 490 | config PPC_4K_PAGES |
| 491 | bool "4k page size" |
| 492 | |
| 493 | config PPC_16K_PAGES |
| 494 | bool "16k page size" if 44x |
| 495 | |
| 496 | config PPC_64K_PAGES |
Benjamin Herrenschmidt | 2d27cfd | 2009-07-23 23:15:59 +0000 | [diff] [blame] | 497 | bool "64k page size" if 44x || PPC_STD_MMU_64 || PPC_BOOK3E_64 |
Ilya Yanok | ca9153a | 2008-12-11 04:55:41 +0300 | [diff] [blame] | 498 | select PPC_HAS_HASH_64K if PPC_STD_MMU_64 |
| 499 | |
Yuri Tikhonov | e124012 | 2009-01-29 01:40:44 +0000 | [diff] [blame] | 500 | config PPC_256K_PAGES |
| 501 | bool "256k page size" if 44x |
Hugh Dickins | adf213c | 2009-04-06 11:01:15 +0000 | [diff] [blame] | 502 | depends on !STDBINUTILS |
Yuri Tikhonov | e124012 | 2009-01-29 01:40:44 +0000 | [diff] [blame] | 503 | help |
| 504 | Make the page size 256k. |
| 505 | |
| 506 | As the ELF standard only requires alignment to support page |
| 507 | sizes up to 64k, you will need to compile all of your user |
| 508 | space applications with a non-standard binutils settings |
| 509 | (see the STDBINUTILS description for details). |
| 510 | |
| 511 | Say N unless you know what you are doing. |
| 512 | |
Ilya Yanok | ca9153a | 2008-12-11 04:55:41 +0300 | [diff] [blame] | 513 | endchoice |
Benjamin Herrenschmidt | 3c726f8 | 2005-11-07 11:06:55 +1100 | [diff] [blame] | 514 | |
Stephen Rothwell | 53bcddb | 2008-04-11 11:11:56 +1000 | [diff] [blame] | 515 | config FORCE_MAX_ZONEORDER |
| 516 | int "Maximum zone order" |
Benjamin Herrenschmidt | 066c4b8 | 2009-07-21 15:25:53 +0000 | [diff] [blame] | 517 | range 9 64 if PPC64 && PPC_64K_PAGES |
| 518 | default "9" if PPC64 && PPC_64K_PAGES |
| 519 | range 13 64 if PPC64 && !PPC_64K_PAGES |
| 520 | default "13" if PPC64 && !PPC_64K_PAGES |
| 521 | range 9 64 if PPC32 && PPC_16K_PAGES |
| 522 | default "9" if PPC32 && PPC_16K_PAGES |
| 523 | range 7 64 if PPC32 && PPC_64K_PAGES |
| 524 | default "7" if PPC32 && PPC_64K_PAGES |
| 525 | range 5 64 if PPC32 && PPC_256K_PAGES |
| 526 | default "5" if PPC32 && PPC_256K_PAGES |
Johannes Berg | ebe40c5 | 2008-09-24 04:29:08 +0000 | [diff] [blame] | 527 | range 11 64 |
Stephen Rothwell | 53bcddb | 2008-04-11 11:11:56 +1000 | [diff] [blame] | 528 | default "11" |
| 529 | help |
| 530 | The kernel memory allocator divides physically contiguous memory |
| 531 | blocks into "zones", where each zone is a power of two number of |
| 532 | pages. This option selects the largest power of two that the kernel |
| 533 | keeps in the memory allocator. If you need to allocate very large |
| 534 | blocks of physically contiguous memory, then you may need to |
| 535 | increase this value. |
| 536 | |
| 537 | This config option is actually maximum order plus one. For example, |
| 538 | a value of 11 means that the largest free memory block is 2^10 pages. |
| 539 | |
| 540 | The page size is not necessarily 4KB. For example, on 64-bit |
| 541 | systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep |
| 542 | this in mind when choosing a value for this option. |
| 543 | |
Paul Mackerras | fa28237 | 2008-01-24 08:35:13 +1100 | [diff] [blame] | 544 | config PPC_SUBPAGE_PROT |
| 545 | bool "Support setting protections for 4k subpages" |
Ilya Yanok | ca9153a | 2008-12-11 04:55:41 +0300 | [diff] [blame] | 546 | depends on PPC_STD_MMU_64 && PPC_64K_PAGES |
Paul Mackerras | fa28237 | 2008-01-24 08:35:13 +1100 | [diff] [blame] | 547 | help |
| 548 | This option adds support for a system call to allow user programs |
| 549 | to set access permissions (read/write, readonly, or no access) |
| 550 | on the 4k subpages of each 64k page. |
| 551 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 552 | config SCHED_SMT |
| 553 | bool "SMT (Hyperthreading) scheduler support" |
| 554 | depends on PPC64 && SMP |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 555 | help |
| 556 | SMT scheduler support improves the CPU scheduler's decision making |
| 557 | when dealing with POWER5 cpus at a cost of slightly increased |
| 558 | overhead in some places. If unsure say N here. |
| 559 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 560 | config CMDLINE_BOOL |
| 561 | bool "Default bootloader kernel arguments" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 562 | |
| 563 | config CMDLINE |
| 564 | string "Initial kernel command string" |
| 565 | depends on CMDLINE_BOOL |
| 566 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" |
| 567 | help |
| 568 | On some platforms, there is currently no way for the boot loader to |
| 569 | pass arguments to the kernel. For these platforms, you can supply |
| 570 | some command-line options at build time by entering them here. In |
| 571 | most cases you will need to specify the root device here. |
| 572 | |
Grant Likely | c356aa4 | 2008-07-09 09:41:52 -0600 | [diff] [blame] | 573 | config EXTRA_TARGETS |
| 574 | string "Additional default image types" |
| 575 | help |
| 576 | List additional targets to be built by the bootwrapper here (separated |
| 577 | by spaces). This is useful for targets that depend of device tree |
| 578 | files in the .dts directory. |
| 579 | |
| 580 | Targets in this list will be build as part of the default build |
| 581 | target, or when the user does a 'make zImage' or a |
| 582 | 'make zImage.initrd'. |
| 583 | |
| 584 | If unsure, leave blank |
| 585 | |
Johannes Berg | b28f508 | 2008-01-15 23:17:00 -0500 | [diff] [blame] | 586 | config ARCH_WANTS_FREEZER_CONTROL |
| 587 | def_bool y |
| 588 | depends on ADB_PMU |
| 589 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 590 | source kernel/power/Kconfig |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 591 | |
| 592 | config SECCOMP |
| 593 | bool "Enable seccomp to safely compute untrusted bytecode" |
| 594 | depends on PROC_FS |
| 595 | default y |
| 596 | help |
| 597 | This kernel feature is useful for number crunching applications |
| 598 | that may need to compute untrusted bytecode during their |
| 599 | execution. By using pipes or other transports made available to |
| 600 | the process as file descriptors supporting the read/write |
| 601 | syscalls, it's possible to isolate those applications in |
| 602 | their own address space using seccomp. Once seccomp is |
| 603 | enabled via /proc/<pid>/seccomp, it cannot be disabled |
| 604 | and the task is only allowed to execute a few safe syscalls |
| 605 | defined by each seccomp mode. |
| 606 | |
| 607 | If unsure, say Y. Only embedded should say N here. |
| 608 | |
| 609 | endmenu |
| 610 | |
| 611 | config ISA_DMA_API |
| 612 | bool |
Stephen Rothwell | 373a6da | 2007-12-21 15:37:07 +1100 | [diff] [blame] | 613 | default !PPC_ISERIES || PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 614 | |
| 615 | menu "Bus options" |
| 616 | |
| 617 | config ISA |
| 618 | bool "Support for ISA-bus hardware" |
| 619 | depends on PPC_PREP || PPC_CHRP |
Paul Mackerras | f9bd170 | 2005-10-26 16:47:42 +1000 | [diff] [blame] | 620 | select PPC_I8259 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 621 | help |
| 622 | Find out whether you have ISA slots on your motherboard. ISA is the |
| 623 | name of a bus system, i.e. the way the CPU talks to the other stuff |
| 624 | inside your box. If you have an Apple machine, say N here; if you |
| 625 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If |
| 626 | you have an embedded board, consult your board documentation. |
| 627 | |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 628 | config ZONE_DMA |
| 629 | bool |
| 630 | default y |
| 631 | |
FUJITA Tomonori | af407c6 | 2010-03-10 15:23:27 -0800 | [diff] [blame] | 632 | config NEED_DMA_MAP_STATE |
| 633 | def_bool (PPC64 || NOT_COHERENT_CACHE) |
| 634 | |
FUJITA Tomonori | e32205e | 2010-05-26 14:44:33 -0700 | [diff] [blame] | 635 | config NEED_SG_DMA_LENGTH |
| 636 | def_bool y |
| 637 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 638 | config GENERIC_ISA_DMA |
| 639 | bool |
Anton Vorontsov | 1927445 | 2010-07-15 07:38:16 +0000 | [diff] [blame] | 640 | depends on ISA_DMA_API |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 641 | default y |
| 642 | |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 643 | config PPC_INDIRECT_PCI |
| 644 | bool |
| 645 | depends on PCI |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 646 | default y if 40x || 44x |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 647 | default n |
| 648 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 649 | config EISA |
| 650 | bool |
| 651 | |
| 652 | config SBUS |
| 653 | bool |
| 654 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 655 | config FSL_SOC |
| 656 | bool |
| 657 | |
Roy Zang | 55c4499 | 2007-07-10 18:44:34 +0800 | [diff] [blame] | 658 | config FSL_PCI |
| 659 | bool |
| 660 | select PPC_INDIRECT_PCI |
Kumar Gala | d083911 | 2009-01-28 13:25:29 -0600 | [diff] [blame] | 661 | select PCI_QUIRKS |
Roy Zang | 55c4499 | 2007-07-10 18:44:34 +0800 | [diff] [blame] | 662 | |
Anton Vorontsov | 4ffd695 | 2009-09-16 01:43:57 +0400 | [diff] [blame] | 663 | config FSL_PMC |
| 664 | bool |
| 665 | default y |
| 666 | depends on SUSPEND && (PPC_85xx || PPC_86xx) |
| 667 | help |
| 668 | Freescale MPC85xx/MPC86xx power management controller support |
| 669 | (suspend/resume). For MPC83xx see platforms/83xx/suspend.c |
| 670 | |
Victor Gallardo | d164f6d | 2010-10-08 10:25:27 +0000 | [diff] [blame] | 671 | config PPC4xx_CPM |
| 672 | bool |
| 673 | default y |
| 674 | depends on SUSPEND && (44x || 40x) |
| 675 | help |
| 676 | PPC4xx Clock Power Management (CPM) support (suspend/resume). |
| 677 | It also enables support for two different idle states (idle-wait |
| 678 | and idle-doze). |
| 679 | |
Stefan Roese | 2a70691 | 2008-03-26 22:39:50 +1100 | [diff] [blame] | 680 | config 4xx_SOC |
| 681 | bool |
| 682 | |
Anton Vorontsov | acaa7aa | 2008-04-11 21:03:40 +0400 | [diff] [blame] | 683 | config FSL_LBC |
Roy Zang | 3ab8f2a | 2010-10-18 15:22:31 +0800 | [diff] [blame] | 684 | bool "Freescale Local Bus support" |
| 685 | depends on FSL_SOC |
Anton Vorontsov | acaa7aa | 2008-04-11 21:03:40 +0400 | [diff] [blame] | 686 | help |
Roy Zang | 3ab8f2a | 2010-10-18 15:22:31 +0800 | [diff] [blame] | 687 | Enables reporting of errors from the Freescale local bus |
| 688 | controller. Also contains some common code used by |
| 689 | drivers for specific local bus peripherals. |
Anton Vorontsov | acaa7aa | 2008-04-11 21:03:40 +0400 | [diff] [blame] | 690 | |
Anton Vorontsov | 83ff9dc | 2008-05-23 20:38:54 +0400 | [diff] [blame] | 691 | config FSL_GTM |
| 692 | bool |
| 693 | depends on PPC_83xx || QUICC_ENGINE || CPM2 |
| 694 | help |
| 695 | Freescale General-purpose Timers support |
| 696 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 697 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
| 698 | config MCA |
| 699 | bool |
| 700 | |
John Rigby | b500563 | 2008-06-26 11:07:56 -0600 | [diff] [blame] | 701 | # Platforms that what PCI turned unconditionally just do select PCI |
| 702 | # in their config node. Platforms that want to choose at config |
| 703 | # time should select PPC_PCI_CHOICE |
| 704 | config PPC_PCI_CHOICE |
| 705 | bool |
| 706 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 707 | config PCI |
John Rigby | b500563 | 2008-06-26 11:07:56 -0600 | [diff] [blame] | 708 | bool "PCI support" if PPC_PCI_CHOICE |
| 709 | default y if !40x && !CPM2 && !8xx && !PPC_83xx \ |
Albert Herranz | bcc4859 | 2009-12-12 06:31:39 +0000 | [diff] [blame] | 710 | && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON |
David Gibson | f21f49e | 2007-06-13 14:52:54 +1000 | [diff] [blame] | 711 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 712 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
Michael Ellerman | df87ef5 | 2007-05-08 12:58:34 +1000 | [diff] [blame] | 713 | select ARCH_SUPPORTS_MSI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 714 | help |
| 715 | Find out whether your system includes a PCI bus. PCI is the name of |
| 716 | a bus system, i.e. the way the CPU talks to the other stuff inside |
| 717 | your box. If you say Y here, the kernel will include drivers and |
| 718 | infrastructure code to support PCI bus devices. |
| 719 | |
| 720 | config PCI_DOMAINS |
Matthew Wilcox | 36e2359 | 2007-07-10 10:54:40 -0600 | [diff] [blame] | 721 | def_bool PCI |
| 722 | |
| 723 | config PCI_SYSCALL |
| 724 | def_bool PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 725 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 726 | config PCI_QSPAN |
| 727 | bool "QSpan PCI" |
| 728 | depends on !4xx && !CPM2 && 8xx |
Paul Mackerras | f9bd170 | 2005-10-26 16:47:42 +1000 | [diff] [blame] | 729 | select PPC_I8259 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 730 | help |
| 731 | Say Y here if you have a system based on a Motorola 8xx-series |
| 732 | embedded processor with a QSPAN PCI interface, otherwise say N. |
| 733 | |
| 734 | config PCI_8260 |
| 735 | bool |
| 736 | depends on PCI && 8260 |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 737 | select PPC_INDIRECT_PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 738 | default y |
| 739 | |
| 740 | config 8260_PCI9 |
Andrew Morton | 4a3ecc6 | 2006-06-01 20:36:04 -0700 | [diff] [blame] | 741 | bool "Enable workaround for MPC826x erratum PCI 9" |
Scott Wood | e00c549 | 2007-09-14 15:41:56 -0500 | [diff] [blame] | 742 | depends on PCI_8260 && !8272 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 743 | default y |
| 744 | |
| 745 | choice |
Andrew Morton | 4a3ecc6 | 2006-06-01 20:36:04 -0700 | [diff] [blame] | 746 | prompt "IDMA channel for PCI 9 workaround" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 747 | depends on 8260_PCI9 |
| 748 | |
| 749 | config 8260_PCI9_IDMA1 |
| 750 | bool "IDMA1" |
| 751 | |
| 752 | config 8260_PCI9_IDMA2 |
| 753 | bool "IDMA2" |
| 754 | |
| 755 | config 8260_PCI9_IDMA3 |
| 756 | bool "IDMA3" |
| 757 | |
| 758 | config 8260_PCI9_IDMA4 |
| 759 | bool "IDMA4" |
| 760 | |
| 761 | endchoice |
| 762 | |
Jake Moilanen | bb53bb3 | 2006-06-07 16:05:46 -0500 | [diff] [blame] | 763 | source "drivers/pci/pcie/Kconfig" |
| 764 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 765 | source "drivers/pci/Kconfig" |
| 766 | |
| 767 | source "drivers/pcmcia/Kconfig" |
| 768 | |
| 769 | source "drivers/pci/hotplug/Kconfig" |
| 770 | |
Zhang Wei | f1f389d | 2008-04-18 13:33:39 -0700 | [diff] [blame] | 771 | config HAS_RAPIDIO |
| 772 | bool |
| 773 | default n |
| 774 | |
| 775 | config RAPIDIO |
| 776 | bool "RapidIO support" |
Alexandre Bounine | 388b78a | 2011-03-23 16:43:03 -0700 | [diff] [blame] | 777 | depends on HAS_RAPIDIO || PCI |
Zhang Wei | f1f389d | 2008-04-18 13:33:39 -0700 | [diff] [blame] | 778 | help |
| 779 | If you say Y here, the kernel will include drivers and |
| 780 | infrastructure code to support RapidIO interconnect devices. |
| 781 | |
Alexandre Bounine | 388b78a | 2011-03-23 16:43:03 -0700 | [diff] [blame] | 782 | config FSL_RIO |
| 783 | bool "Freescale Embedded SRIO Controller support" |
| 784 | depends on RAPIDIO && HAS_RAPIDIO |
| 785 | default "n" |
| 786 | ---help--- |
| 787 | Include support for RapidIO controller on Freescale embedded |
| 788 | processors (MPC8548, MPC8641, etc). |
| 789 | |
Zhang Wei | f1f389d | 2008-04-18 13:33:39 -0700 | [diff] [blame] | 790 | source "drivers/rapidio/Kconfig" |
| 791 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 792 | endmenu |
| 793 | |
| 794 | menu "Advanced setup" |
| 795 | depends on PPC32 |
| 796 | |
| 797 | config ADVANCED_OPTIONS |
| 798 | bool "Prompt for advanced kernel configuration options" |
| 799 | help |
| 800 | This option will enable prompting for a variety of advanced kernel |
| 801 | configuration options. These options can cause the kernel to not |
| 802 | work if they are set incorrectly, but can be used to optimize certain |
| 803 | aspects of kernel memory management. |
| 804 | |
| 805 | Unless you know what you are doing, say N here. |
| 806 | |
| 807 | comment "Default settings for advanced configuration options are used" |
| 808 | depends on !ADVANCED_OPTIONS |
| 809 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 810 | config LOWMEM_SIZE_BOOL |
| 811 | bool "Set maximum low memory" |
| 812 | depends on ADVANCED_OPTIONS |
| 813 | help |
| 814 | This option allows you to set the maximum amount of memory which |
| 815 | will be used as "low memory", that is, memory which the kernel can |
| 816 | access directly, without having to set up a kernel virtual mapping. |
| 817 | This can be useful in optimizing the layout of kernel virtual |
| 818 | memory. |
| 819 | |
| 820 | Say N here unless you know what you are doing. |
| 821 | |
| 822 | config LOWMEM_SIZE |
| 823 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL |
| 824 | default "0x30000000" |
| 825 | |
Trent Piepho | 9605146 | 2008-12-08 19:34:58 -0800 | [diff] [blame] | 826 | config LOWMEM_CAM_NUM_BOOL |
| 827 | bool "Set number of CAMs to use to map low memory" |
| 828 | depends on ADVANCED_OPTIONS && FSL_BOOKE |
| 829 | help |
| 830 | This option allows you to set the maximum number of CAM slots that |
| 831 | will be used to map low memory. There are a limited number of slots |
| 832 | available and even more limited number that will fit in the L1 MMU. |
| 833 | However, using more entries will allow mapping more low memory. This |
| 834 | can be useful in optimizing the layout of kernel virtual memory. |
| 835 | |
| 836 | Say N here unless you know what you are doing. |
| 837 | |
| 838 | config LOWMEM_CAM_NUM |
Josh Boyer | 9b71dbd | 2009-03-31 08:05:50 -0400 | [diff] [blame] | 839 | depends on FSL_BOOKE |
Trent Piepho | 9605146 | 2008-12-08 19:34:58 -0800 | [diff] [blame] | 840 | int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL |
| 841 | default 3 |
| 842 | |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 843 | config RELOCATABLE |
| 844 | bool "Build a relocatable kernel (EXPERIMENTAL)" |
| 845 | depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE |
| 846 | help |
| 847 | This builds a kernel image that is capable of running at the |
| 848 | location the kernel is loaded at (some alignment restrictions may |
| 849 | exist). |
| 850 | |
| 851 | One use is for the kexec on panic case where the recovery kernel |
| 852 | must live at a different physical address than the primary |
| 853 | kernel. |
| 854 | |
| 855 | Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address |
| 856 | it has been loaded at and the compile time physical addresses |
| 857 | CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START |
| 858 | setting can still be useful to bootwrappers that need to know the |
| 859 | load location of the kernel (eg. u-boot/mkimage). |
| 860 | |
| 861 | config PAGE_OFFSET_BOOL |
| 862 | bool "Set custom page offset address" |
| 863 | depends on ADVANCED_OPTIONS |
| 864 | help |
| 865 | This option allows you to set the kernel virtual address at which |
| 866 | the kernel will map low memory. This can be useful in optimizing |
| 867 | the virtual memory layout of the system. |
| 868 | |
| 869 | Say N here unless you know what you are doing. |
| 870 | |
| 871 | config PAGE_OFFSET |
| 872 | hex "Virtual address of memory base" if PAGE_OFFSET_BOOL |
| 873 | default "0xc0000000" |
| 874 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 875 | config KERNEL_START_BOOL |
| 876 | bool "Set custom kernel base address" |
| 877 | depends on ADVANCED_OPTIONS |
| 878 | help |
| 879 | This option allows you to set the kernel virtual address at which |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 880 | the kernel will be loaded. Normally this should match PAGE_OFFSET |
| 881 | however there are times (like kdump) that one might not want them |
| 882 | to be the same. |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 883 | |
| 884 | Say N here unless you know what you are doing. |
| 885 | |
| 886 | config KERNEL_START |
| 887 | hex "Virtual address of kernel base" if KERNEL_START_BOOL |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 888 | default PAGE_OFFSET if PAGE_OFFSET_BOOL |
Matthew McClintock | f933a41 | 2010-07-21 16:14:53 -0500 | [diff] [blame] | 889 | default "0xc2000000" if CRASH_DUMP && !RELOCATABLE |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 890 | default "0xc0000000" |
| 891 | |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 892 | config PHYSICAL_START_BOOL |
| 893 | bool "Set physical address where the kernel is loaded" |
| 894 | depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE |
| 895 | help |
| 896 | This gives the physical address where the kernel is loaded. |
| 897 | |
| 898 | Say N here unless you know what you are doing. |
| 899 | |
| 900 | config PHYSICAL_START |
| 901 | hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL |
Matthew McClintock | f933a41 | 2010-07-21 16:14:53 -0500 | [diff] [blame] | 902 | default "0x02000000" if PPC_STD_MMU && CRASH_DUMP && !RELOCATABLE |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 903 | default "0x00000000" |
| 904 | |
| 905 | config PHYSICAL_ALIGN |
| 906 | hex |
Trent Piepho | c8f3570 | 2008-12-08 19:34:59 -0800 | [diff] [blame] | 907 | default "0x04000000" if FSL_BOOKE |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 908 | help |
| 909 | This value puts the alignment restrictions on physical address |
| 910 | where kernel is loaded and run from. Kernel is compiled for an |
| 911 | address which meets above alignment restriction. |
| 912 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 913 | config TASK_SIZE_BOOL |
| 914 | bool "Set custom user task size" |
| 915 | depends on ADVANCED_OPTIONS |
| 916 | help |
| 917 | This option allows you to set the amount of virtual address space |
| 918 | allocated to user tasks. This can be useful in optimizing the |
| 919 | virtual memory layout of the system. |
| 920 | |
| 921 | Say N here unless you know what you are doing. |
| 922 | |
| 923 | config TASK_SIZE |
| 924 | hex "Size of user task space" if TASK_SIZE_BOOL |
Kumar Gala | 4d9e5510 | 2007-10-11 13:40:21 -0500 | [diff] [blame] | 925 | default "0x80000000" if PPC_PREP || PPC_8xx |
| 926 | default "0xc0000000" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 927 | |
Benjamin Herrenschmidt | 84532a0 | 2009-05-27 13:33:14 +1000 | [diff] [blame] | 928 | config CONSISTENT_SIZE_BOOL |
| 929 | bool "Set custom consistent memory pool size" |
| 930 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE |
| 931 | help |
| 932 | This option allows you to set the size of the |
| 933 | consistent memory pool. This pool of virtual memory |
| 934 | is used to make consistent memory allocations. |
| 935 | |
| 936 | config CONSISTENT_SIZE |
| 937 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL |
| 938 | default "0x00200000" if NOT_COHERENT_CACHE |
| 939 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 940 | config PIN_TLB |
| 941 | bool "Pinned Kernel TLBs (860 ONLY)" |
| 942 | depends on ADVANCED_OPTIONS && 8xx |
| 943 | endmenu |
| 944 | |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 945 | if PPC64 |
Paul Mackerras | 549e815 | 2008-08-30 11:43:47 +1000 | [diff] [blame] | 946 | config RELOCATABLE |
| 947 | bool "Build a relocatable kernel" |
| 948 | help |
| 949 | This builds a kernel image that is capable of running anywhere |
| 950 | in the RMA (real memory area) at any 16k-aligned base address. |
| 951 | The kernel is linked as a position-independent executable (PIE) |
| 952 | and contains dynamic relocations which are processed early |
| 953 | in the bootup process. |
| 954 | |
| 955 | One use is for the kexec on panic case where the recovery kernel |
| 956 | must live at a different physical address than the primary |
| 957 | kernel. |
| 958 | |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 959 | config PAGE_OFFSET |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 960 | hex |
Stephen Rothwell | eeb2d21 | 2005-09-30 17:24:15 +1000 | [diff] [blame] | 961 | default "0xc000000000000000" |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 962 | config KERNEL_START |
| 963 | hex |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 964 | default "0xc000000000000000" |
| 965 | config PHYSICAL_START |
| 966 | hex |
Kumar Gala | 37dd2ba | 2008-04-22 04:22:34 +1000 | [diff] [blame] | 967 | default "0x00000000" |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 968 | endif |
| 969 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 970 | source "net/Kconfig" |
| 971 | |
| 972 | source "drivers/Kconfig" |
| 973 | |
| 974 | source "fs/Kconfig" |
| 975 | |
Li Yang | 9865853 | 2006-10-03 23:10:46 -0500 | [diff] [blame] | 976 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
| 977 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 978 | source "lib/Kconfig" |
| 979 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 980 | source "arch/powerpc/Kconfig.debug" |
| 981 | |
| 982 | source "security/Kconfig" |
| 983 | |
| 984 | config KEYS_COMPAT |
| 985 | bool |
| 986 | depends on COMPAT && KEYS |
| 987 | default y |
| 988 | |
| 989 | source "crypto/Kconfig" |
Domen Puncer | 6f66828 | 2007-09-21 00:00:11 +1000 | [diff] [blame] | 990 | |
| 991 | config PPC_CLOCK |
| 992 | bool |
| 993 | default n |
David Brownell | 9483a57 | 2008-07-23 21:26:48 -0700 | [diff] [blame] | 994 | select HAVE_CLK |
Sylvain Munaut | 1088a20 | 2007-09-16 20:53:25 +1000 | [diff] [blame] | 995 | |
| 996 | config PPC_LIB_RHEAP |
| 997 | bool |
| 998 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 999 | source "arch/powerpc/kvm/Kconfig" |