Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 1 | config ARM64 |
| 2 | def_bool y |
| 3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
Will Deacon | 5686b06 | 2013-10-09 15:54:27 +0100 | [diff] [blame] | 4 | select ARCH_USE_CMPXCHG_LOCKREF |
Lorenzo Pieralisi | 1f85008 | 2013-09-04 10:55:17 +0100 | [diff] [blame] | 5 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
Arnd Bergmann | 9170100 | 2013-02-21 11:42:57 +0100 | [diff] [blame] | 6 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Will Deacon | 6212a51 | 2012-11-07 14:16:28 +0000 | [diff] [blame] | 7 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
Catalin Marinas | b6f3598 | 2013-01-29 18:25:41 +0000 | [diff] [blame] | 8 | select ARCH_WANT_FRAME_POINTERS |
Catalin Marinas | 25c92a3 | 2012-12-18 15:26:13 +0000 | [diff] [blame] | 9 | select ARM_AMBA |
Mark Rutland | 1aee5d7 | 2012-11-20 10:06:00 +0000 | [diff] [blame] | 10 | select ARM_ARCH_TIMER |
Catalin Marinas | c4188ed | 2013-01-14 12:39:31 +0000 | [diff] [blame] | 11 | select ARM_GIC |
Will Deacon | adace89 | 2013-05-08 17:29:24 +0100 | [diff] [blame] | 12 | select BUILDTIME_EXTABLE_SORT |
Catalin Marinas | db2789b | 2012-12-18 15:27:25 +0000 | [diff] [blame] | 13 | select CLONE_BACKWARDS |
Deepak Saxena | 7ca2ef3 | 2012-09-22 10:33:36 -0700 | [diff] [blame] | 14 | select COMMON_CLK |
Lorenzo Pieralisi | 166936b | 2013-11-07 18:37:14 +0000 | [diff] [blame] | 15 | select CPU_PM if (SUSPEND || CPU_IDLE) |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 16 | select GENERIC_CLOCKEVENTS |
Lorenzo Pieralisi | 1f85008 | 2013-09-04 10:55:17 +0100 | [diff] [blame] | 17 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 18 | select GENERIC_IOMAP |
| 19 | select GENERIC_IRQ_PROBE |
| 20 | select GENERIC_IRQ_SHOW |
Stephen Boyd | 65cd4f6 | 2013-07-18 16:21:18 -0700 | [diff] [blame] | 21 | select GENERIC_SCHED_CLOCK |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 22 | select GENERIC_SMP_IDLE_THREAD |
| 23 | select GENERIC_TIME_VSYSCALL |
| 24 | select HARDIRQS_SW_RESEND |
| 25 | select HAVE_ARCH_TRACEHOOK |
Catalin Marinas | 9b2a60c | 2012-10-08 16:28:13 -0700 | [diff] [blame] | 26 | select HAVE_DEBUG_BUGVERBOSE |
Catalin Marinas | b69ec42 | 2012-10-08 16:28:11 -0700 | [diff] [blame] | 27 | select HAVE_DEBUG_KMEMLEAK |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 28 | select HAVE_DMA_API_DEBUG |
| 29 | select HAVE_DMA_ATTRS |
| 30 | select HAVE_GENERIC_DMA_COHERENT |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 31 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 32 | select HAVE_MEMBLOCK |
| 33 | select HAVE_PERF_EVENTS |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 34 | select IRQ_DOMAIN |
Catalin Marinas | fea2aca | 2012-10-16 11:26:57 +0100 | [diff] [blame] | 35 | select MODULES_USE_ELF_RELA |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 36 | select NO_BOOTMEM |
| 37 | select OF |
| 38 | select OF_EARLY_FLATTREE |
| 39 | select PERF_USE_VMALLOC |
Catalin Marinas | aa1e8ec | 2013-02-28 18:14:37 +0000 | [diff] [blame] | 40 | select POWER_RESET |
| 41 | select POWER_SUPPLY |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 42 | select RTC_LIB |
| 43 | select SPARSE_IRQ |
Catalin Marinas | 7ac57a8 | 2012-10-08 16:28:16 -0700 | [diff] [blame] | 44 | select SYSCTL_EXCEPTION_TRACE |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 45 | help |
| 46 | ARM 64-bit (AArch64) Linux support. |
| 47 | |
| 48 | config 64BIT |
| 49 | def_bool y |
| 50 | |
| 51 | config ARCH_PHYS_ADDR_T_64BIT |
| 52 | def_bool y |
| 53 | |
| 54 | config MMU |
| 55 | def_bool y |
| 56 | |
| 57 | config NO_IOPORT |
| 58 | def_bool y |
| 59 | |
| 60 | config STACKTRACE_SUPPORT |
| 61 | def_bool y |
| 62 | |
| 63 | config LOCKDEP_SUPPORT |
| 64 | def_bool y |
| 65 | |
| 66 | config TRACE_IRQFLAGS_SUPPORT |
| 67 | def_bool y |
| 68 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 69 | config RWSEM_GENERIC_SPINLOCK |
| 70 | def_bool y |
| 71 | |
| 72 | config GENERIC_HWEIGHT |
| 73 | def_bool y |
| 74 | |
| 75 | config GENERIC_CSUM |
| 76 | def_bool y |
| 77 | |
| 78 | config GENERIC_CALIBRATE_DELAY |
| 79 | def_bool y |
| 80 | |
| 81 | config ZONE_DMA32 |
| 82 | def_bool y |
| 83 | |
| 84 | config ARCH_DMA_ADDR_T_64BIT |
| 85 | def_bool y |
| 86 | |
| 87 | config NEED_DMA_MAP_STATE |
| 88 | def_bool y |
| 89 | |
| 90 | config NEED_SG_DMA_LENGTH |
| 91 | def_bool y |
| 92 | |
| 93 | config SWIOTLB |
| 94 | def_bool y |
| 95 | |
| 96 | config IOMMU_HELPER |
| 97 | def_bool SWIOTLB |
| 98 | |
Ard Biesheuvel | 4cfb361 | 2013-07-09 14:18:12 +0100 | [diff] [blame] | 99 | config KERNEL_MODE_NEON |
| 100 | def_bool y |
| 101 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 102 | source "init/Kconfig" |
| 103 | |
| 104 | source "kernel/Kconfig.freezer" |
| 105 | |
Catalin Marinas | 1ae90e7 | 2012-09-05 17:47:44 +0100 | [diff] [blame] | 106 | menu "Platform selection" |
| 107 | |
| 108 | config ARCH_VEXPRESS |
| 109 | bool "ARMv8 software model (Versatile Express)" |
| 110 | select ARCH_REQUIRE_GPIOLIB |
| 111 | select COMMON_CLK_VERSATILE |
Catalin Marinas | aa1e8ec | 2013-02-28 18:14:37 +0000 | [diff] [blame] | 112 | select POWER_RESET_VEXPRESS |
Catalin Marinas | 1ae90e7 | 2012-09-05 17:47:44 +0100 | [diff] [blame] | 113 | select VEXPRESS_CONFIG |
| 114 | help |
| 115 | This enables support for the ARMv8 software model (Versatile |
| 116 | Express). |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 117 | |
Vinayak Kale | 1594285 | 2013-04-24 10:06:57 +0100 | [diff] [blame] | 118 | config ARCH_XGENE |
| 119 | bool "AppliedMicro X-Gene SOC Family" |
| 120 | help |
| 121 | This enables support for AppliedMicro X-Gene SOC Family |
| 122 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 123 | endmenu |
| 124 | |
| 125 | menu "Bus support" |
| 126 | |
| 127 | config ARM_AMBA |
| 128 | bool |
| 129 | |
| 130 | endmenu |
| 131 | |
| 132 | menu "Kernel Features" |
| 133 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 134 | config ARM64_64K_PAGES |
| 135 | bool "Enable 64KB pages support" |
| 136 | help |
| 137 | This feature enables 64KB pages support (4KB by default) |
| 138 | allowing only two levels of page tables and faster TLB |
| 139 | look-up. AArch32 emulation is not available when this feature |
| 140 | is enabled. |
| 141 | |
Will Deacon | a872013 | 2013-10-11 14:52:19 +0100 | [diff] [blame] | 142 | config CPU_BIG_ENDIAN |
| 143 | bool "Build big-endian kernel" |
| 144 | help |
| 145 | Say Y if you plan on running a kernel in big-endian mode. |
| 146 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 147 | config SMP |
| 148 | bool "Symmetric Multi-Processing" |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 149 | help |
| 150 | This enables support for systems with more than one CPU. If |
| 151 | you say N here, the kernel will run on single and |
| 152 | multiprocessor machines, but will use only one CPU of a |
| 153 | multiprocessor machine. If you say Y here, the kernel will run |
| 154 | on many, but not all, single processor machines. On a single |
| 155 | processor machine, the kernel will run faster if you say N |
| 156 | here. |
| 157 | |
| 158 | If you don't know what to do here, say N. |
| 159 | |
| 160 | config NR_CPUS |
| 161 | int "Maximum number of CPUs (2-32)" |
| 162 | range 2 32 |
| 163 | depends on SMP |
Vinayak Kale | 1594285 | 2013-04-24 10:06:57 +0100 | [diff] [blame] | 164 | # These have to remain sorted largest to smallest |
Rob Herring | 62aceb8 | 2013-11-22 21:07:31 +0000 | [diff] [blame] | 165 | default "8" |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 166 | |
Mark Rutland | 9327e2c | 2013-10-24 20:30:18 +0100 | [diff] [blame] | 167 | config HOTPLUG_CPU |
| 168 | bool "Support for hot-pluggable CPUs" |
| 169 | depends on SMP |
| 170 | help |
| 171 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 172 | can be controlled through /sys/devices/system/cpu. |
| 173 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 174 | source kernel/Kconfig.preempt |
| 175 | |
| 176 | config HZ |
| 177 | int |
| 178 | default 100 |
| 179 | |
| 180 | config ARCH_HAS_HOLES_MEMORYMODEL |
| 181 | def_bool y if SPARSEMEM |
| 182 | |
| 183 | config ARCH_SPARSEMEM_ENABLE |
| 184 | def_bool y |
| 185 | select SPARSEMEM_VMEMMAP_ENABLE |
| 186 | |
| 187 | config ARCH_SPARSEMEM_DEFAULT |
| 188 | def_bool ARCH_SPARSEMEM_ENABLE |
| 189 | |
| 190 | config ARCH_SELECT_MEMORY_MODEL |
| 191 | def_bool ARCH_SPARSEMEM_ENABLE |
| 192 | |
| 193 | config HAVE_ARCH_PFN_VALID |
| 194 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM |
| 195 | |
| 196 | config HW_PERF_EVENTS |
| 197 | bool "Enable hardware performance counter support for perf events" |
| 198 | depends on PERF_EVENTS |
| 199 | default y |
| 200 | help |
| 201 | Enable hardware performance counter support for perf events. If |
| 202 | disabled, perf events will use software events only. |
| 203 | |
Steve Capper | 084bd29 | 2013-04-10 13:48:00 +0100 | [diff] [blame] | 204 | config SYS_SUPPORTS_HUGETLBFS |
| 205 | def_bool y |
| 206 | |
| 207 | config ARCH_WANT_GENERAL_HUGETLB |
| 208 | def_bool y |
| 209 | |
| 210 | config ARCH_WANT_HUGE_PMD_SHARE |
| 211 | def_bool y if !ARM64_64K_PAGES |
| 212 | |
Steve Capper | af07484 | 2013-04-19 16:23:57 +0100 | [diff] [blame] | 213 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
| 214 | def_bool y |
| 215 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 216 | source "mm/Kconfig" |
| 217 | |
Stefano Stabellini | aa42aa1 | 2013-06-03 17:05:43 +0000 | [diff] [blame] | 218 | config XEN_DOM0 |
| 219 | def_bool y |
| 220 | depends on XEN |
| 221 | |
| 222 | config XEN |
| 223 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" |
| 224 | depends on ARM64 && OF |
Stefano Stabellini | 83862cc | 2013-10-10 13:40:44 +0000 | [diff] [blame] | 225 | select SWIOTLB_XEN |
Stefano Stabellini | aa42aa1 | 2013-06-03 17:05:43 +0000 | [diff] [blame] | 226 | help |
| 227 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. |
| 228 | |
Steve Capper | d03bb14 | 2013-04-25 15:19:21 +0100 | [diff] [blame] | 229 | config FORCE_MAX_ZONEORDER |
| 230 | int |
| 231 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) |
| 232 | default "11" |
| 233 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 234 | endmenu |
| 235 | |
| 236 | menu "Boot options" |
| 237 | |
| 238 | config CMDLINE |
| 239 | string "Default kernel command string" |
| 240 | default "" |
| 241 | help |
| 242 | Provide a set of default command-line options at build time by |
| 243 | entering them here. As a minimum, you should specify the the |
| 244 | root device (e.g. root=/dev/nfs). |
| 245 | |
| 246 | config CMDLINE_FORCE |
| 247 | bool "Always use the default kernel command string" |
| 248 | help |
| 249 | Always use the default kernel command string, even if the boot |
| 250 | loader passes other arguments to the kernel. |
| 251 | This is useful if you cannot or don't want to change the |
| 252 | command-line options your boot loader passes to the kernel. |
| 253 | |
| 254 | endmenu |
| 255 | |
| 256 | menu "Userspace binary formats" |
| 257 | |
| 258 | source "fs/Kconfig.binfmt" |
| 259 | |
| 260 | config COMPAT |
| 261 | bool "Kernel support for 32-bit EL0" |
| 262 | depends on !ARM64_64K_PAGES |
| 263 | select COMPAT_BINFMT_ELF |
Catalin Marinas | af1839e | 2012-10-08 16:28:08 -0700 | [diff] [blame] | 264 | select HAVE_UID16 |
Al Viro | 84b9e9b | 2012-12-25 16:29:11 -0500 | [diff] [blame] | 265 | select OLD_SIGSUSPEND3 |
Al Viro | 5168203 | 2012-12-25 19:31:29 -0500 | [diff] [blame] | 266 | select COMPAT_OLD_SIGACTION |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 267 | help |
| 268 | This option enables support for a 32-bit EL0 running under a 64-bit |
| 269 | kernel at EL1. AArch32-specific components such as system calls, |
| 270 | the user helper functions, VFP support and the ptrace interface are |
| 271 | handled appropriately by the kernel. |
| 272 | |
| 273 | If you want to execute 32-bit userspace applications, say Y. |
| 274 | |
| 275 | config SYSVIPC_COMPAT |
| 276 | def_bool y |
| 277 | depends on COMPAT && SYSVIPC |
| 278 | |
| 279 | endmenu |
| 280 | |
Lorenzo Pieralisi | 166936b | 2013-11-07 18:37:14 +0000 | [diff] [blame] | 281 | menu "Power management options" |
| 282 | |
| 283 | source "kernel/power/Kconfig" |
| 284 | |
| 285 | config ARCH_SUSPEND_POSSIBLE |
| 286 | def_bool y |
| 287 | |
| 288 | config ARM64_CPU_SUSPEND |
| 289 | def_bool PM_SLEEP |
| 290 | |
| 291 | endmenu |
| 292 | |
Lorenzo Pieralisi | 1307220 | 2013-07-17 14:54:21 +0100 | [diff] [blame^] | 293 | menu "CPU Power Management" |
| 294 | |
| 295 | source "drivers/cpuidle/Kconfig" |
| 296 | |
| 297 | endmenu |
| 298 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 299 | source "net/Kconfig" |
| 300 | |
| 301 | source "drivers/Kconfig" |
| 302 | |
| 303 | source "fs/Kconfig" |
| 304 | |
Marc Zyngier | c3eb5b1 | 2013-07-04 13:34:32 +0100 | [diff] [blame] | 305 | source "arch/arm64/kvm/Kconfig" |
| 306 | |
Catalin Marinas | 8c2c3df | 2012-04-20 14:45:54 +0100 | [diff] [blame] | 307 | source "arch/arm64/Kconfig.debug" |
| 308 | |
| 309 | source "security/Kconfig" |
| 310 | |
| 311 | source "crypto/Kconfig" |
| 312 | |
| 313 | source "lib/Kconfig" |