Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | config ARM |
| 2 | bool |
| 3 | default y |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 4 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE |
Catalin Marinas | 7463449 | 2012-07-30 14:41:09 -0700 | [diff] [blame] | 5 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
Mark Rutland | 3d06770 | 2012-10-30 12:13:42 +0000 | [diff] [blame] | 6 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 7 | select ARCH_HAVE_CUSTOM_GPIO_H |
Mark Salter | d701884 | 2013-10-07 22:07:58 -0400 | [diff] [blame] | 8 | select ARCH_MIGHT_HAVE_PC_PARPORT |
Will Deacon | 0cbad9c | 2013-10-09 17:19:22 +0100 | [diff] [blame] | 9 | select ARCH_USE_CMPXCHG_LOCKREF |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 10 | select ARCH_WANT_IPC_PARSE_VERSION |
Stephen Boyd | ee951c6 | 2012-10-29 19:19:34 +0100 | [diff] [blame] | 11 | select BUILDTIME_EXTABLE_SORT if MMU |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 12 | select CLONE_BACKWARDS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 13 | select CPU_PM if (SUSPEND || CPU_IDLE) |
Will Deacon | 39b175a | 2012-12-04 12:57:11 +0100 | [diff] [blame] | 14 | select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU |
Uwe Kleine-König | 4477ca4 | 2013-03-21 21:02:37 +0100 | [diff] [blame] | 15 | select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI) |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 16 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 17 | select GENERIC_IDLE_POLL_SETUP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 18 | select GENERIC_IRQ_PROBE |
| 19 | select GENERIC_IRQ_SHOW |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 20 | select GENERIC_PCI_IOMAP |
Stephen Boyd | 38ff87f | 2013-06-01 23:39:40 -0700 | [diff] [blame] | 21 | select GENERIC_SCHED_CLOCK |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 22 | select GENERIC_SMP_IDLE_THREAD |
| 23 | select GENERIC_STRNCPY_FROM_USER |
| 24 | select GENERIC_STRNLEN_USER |
| 25 | select HARDIRQS_SW_RESEND |
Rabin Vincent | 09f05d8 | 2012-02-18 17:52:41 +0100 | [diff] [blame] | 26 | select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL |
Jason Wessel | 5cbad0e | 2008-02-20 13:33:40 -0600 | [diff] [blame] | 27 | select HAVE_ARCH_KGDB |
Kees Cook | 9170217 | 2013-11-09 00:51:56 +0100 | [diff] [blame] | 28 | select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT) |
Wade Farnsworth | 0693bf6 | 2012-04-04 16:19:47 +0100 | [diff] [blame] | 29 | select HAVE_ARCH_TRACEHOOK |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 30 | select HAVE_BPF_JIT |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 31 | select HAVE_CONTEXT_TRACKING |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 32 | select HAVE_C_RECORDMCOUNT |
| 33 | select HAVE_DEBUG_KMEMLEAK |
| 34 | select HAVE_DMA_API_DEBUG |
| 35 | select HAVE_DMA_ATTRS |
| 36 | select HAVE_DMA_CONTIGUOUS if MMU |
| 37 | select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) |
| 38 | select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) |
| 39 | select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) |
| 40 | select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) |
| 41 | select HAVE_GENERIC_DMA_COHERENT |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 42 | select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) |
| 43 | select HAVE_IDE if PCI || ISA || PCMCIA |
Russell King | 87c46b6 | 2013-05-04 14:38:59 +0100 | [diff] [blame] | 44 | select HAVE_IRQ_TIME_ACCOUNTING |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 45 | select HAVE_KERNEL_GZIP |
Kyungsik Lee | f9b493a | 2013-07-08 16:01:48 -0700 | [diff] [blame] | 46 | select HAVE_KERNEL_LZ4 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 47 | select HAVE_KERNEL_LZMA |
| 48 | select HAVE_KERNEL_LZO |
| 49 | select HAVE_KERNEL_XZ |
Jon Medhurst | 856bc35 | 2011-06-14 13:09:39 +0100 | [diff] [blame] | 50 | select HAVE_KPROBES if !XIP_KERNEL |
Ananth N Mavinakayanahalli | 9edddaa | 2008-03-04 14:28:37 -0800 | [diff] [blame] | 51 | select HAVE_KRETPROBES if (HAVE_KPROBES) |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 52 | select HAVE_MEMBLOCK |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 53 | select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 54 | select HAVE_OPROFILE if (HAVE_PERF_EVENTS) |
Jamie Iles | 7ada189 | 2010-02-02 20:24:58 +0100 | [diff] [blame] | 55 | select HAVE_PERF_EVENTS |
Will Deacon | 4986389 | 2013-09-26 12:36:35 +0100 | [diff] [blame] | 56 | select HAVE_PERF_REGS |
| 57 | select HAVE_PERF_USER_STACK_DUMP |
Will Deacon | e513f8b | 2010-06-25 12:24:53 +0100 | [diff] [blame] | 58 | select HAVE_REGS_AND_STACK_ACCESS_API |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 59 | select HAVE_SYSCALL_TRACEPOINTS |
Catalin Marinas | af1839e | 2012-10-08 16:28:08 -0700 | [diff] [blame] | 60 | select HAVE_UID16 |
Kevin Hilman | 31c1fc8 | 2013-09-16 15:28:22 -0700 | [diff] [blame] | 61 | select HAVE_VIRT_CPU_ACCOUNTING_GEN |
Thomas Gleixner | da0ec6f | 2013-08-14 20:43:17 +0100 | [diff] [blame] | 62 | select IRQ_FORCED_THREADING |
Anna-Maria Gleixner | 3d92a71 | 2012-05-18 16:45:44 +0000 | [diff] [blame] | 63 | select KTIME_SCALAR |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 64 | select MODULES_USE_ELF_REL |
| 65 | select OLD_SIGACTION |
| 66 | select OLD_SIGSUSPEND3 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 67 | select PERF_USE_VMALLOC |
| 68 | select RTC_LIB |
| 69 | select SYS_SUPPORTS_APM_EMULATION |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 70 | # Above selects are sorted alphabetically; please add new ones |
| 71 | # according to that. Thanks. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | help |
| 73 | The ARM series is a line of low-power-consumption RISC chip designs |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 74 | licensed by ARM Ltd and targeted at embedded applications and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | handhelds such as the Compaq IPAQ. ARM-based PCs are no longer |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 76 | manufactured, but legacy ARM-based PC hardware remains popular in |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | Europe. There is an ARM Linux project with a web page at |
| 78 | <http://www.arm.linux.org.uk/>. |
| 79 | |
Russell King | 74facff | 2011-06-02 11:16:22 +0100 | [diff] [blame] | 80 | config ARM_HAS_SG_CHAIN |
| 81 | bool |
| 82 | |
Marek Szyprowski | 4ce63fc | 2012-05-16 15:48:21 +0200 | [diff] [blame] | 83 | config NEED_SG_DMA_LENGTH |
| 84 | bool |
| 85 | |
| 86 | config ARM_DMA_USE_IOMMU |
Marek Szyprowski | 4ce63fc | 2012-05-16 15:48:21 +0200 | [diff] [blame] | 87 | bool |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 88 | select ARM_HAS_SG_CHAIN |
| 89 | select NEED_SG_DMA_LENGTH |
Marek Szyprowski | 4ce63fc | 2012-05-16 15:48:21 +0200 | [diff] [blame] | 90 | |
Seung-Woo Kim | 60460ab | 2013-02-06 13:21:14 +0900 | [diff] [blame] | 91 | if ARM_DMA_USE_IOMMU |
| 92 | |
| 93 | config ARM_DMA_IOMMU_ALIGNMENT |
| 94 | int "Maximum PAGE_SIZE order of alignment for DMA IOMMU buffers" |
| 95 | range 4 9 |
| 96 | default 8 |
| 97 | help |
| 98 | DMA mapping framework by default aligns all buffers to the smallest |
| 99 | PAGE_SIZE order which is greater than or equal to the requested buffer |
| 100 | size. This works well for buffers up to a few hundreds kilobytes, but |
| 101 | for larger buffers it just a waste of address space. Drivers which has |
| 102 | relatively small addressing window (like 64Mib) might run out of |
| 103 | virtual space with just a few allocations. |
| 104 | |
| 105 | With this parameter you can specify the maximum PAGE_SIZE order for |
| 106 | DMA IOMMU buffers. Larger buffers will be aligned only to this |
| 107 | specified order. The order is expressed as a power of two multiplied |
| 108 | by the PAGE_SIZE. |
| 109 | |
| 110 | endif |
| 111 | |
Russell King | 1a189b9 | 2008-04-13 21:41:55 +0100 | [diff] [blame] | 112 | config HAVE_PWM |
| 113 | bool |
| 114 | |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 115 | config MIGHT_HAVE_PCI |
| 116 | bool |
| 117 | |
Ralf Baechle | 75e7153 | 2007-02-09 17:08:58 +0000 | [diff] [blame] | 118 | config SYS_SUPPORTS_APM_EMULATION |
| 119 | bool |
| 120 | |
Linus Walleij | bc58177 | 2009-09-15 17:30:37 +0100 | [diff] [blame] | 121 | config HAVE_TCM |
| 122 | bool |
| 123 | select GENERIC_ALLOCATOR |
| 124 | |
Russell King | e119bff | 2010-01-10 17:23:29 +0000 | [diff] [blame] | 125 | config HAVE_PROC_CPU |
| 126 | bool |
| 127 | |
Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 128 | config NO_IOPORT |
| 129 | bool |
Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | config EISA |
| 132 | bool |
| 133 | ---help--- |
| 134 | The Extended Industry Standard Architecture (EISA) bus was |
| 135 | developed as an open alternative to the IBM MicroChannel bus. |
| 136 | |
| 137 | The EISA bus provided some of the features of the IBM MicroChannel |
| 138 | bus while maintaining backward compatibility with cards made for |
| 139 | the older ISA bus. The EISA bus saw limited use between 1988 and |
| 140 | 1995 when it was made obsolete by the PCI bus. |
| 141 | |
| 142 | Say Y here if you are building a kernel for an EISA-based machine. |
| 143 | |
| 144 | Otherwise, say N. |
| 145 | |
| 146 | config SBUS |
| 147 | bool |
| 148 | |
Russell King | f16fb1e | 2007-04-28 09:59:37 +0100 | [diff] [blame] | 149 | config STACKTRACE_SUPPORT |
| 150 | bool |
| 151 | default y |
| 152 | |
Nicolas Pitre | f76e915 | 2008-04-24 01:31:46 -0400 | [diff] [blame] | 153 | config HAVE_LATENCYTOP_SUPPORT |
| 154 | bool |
| 155 | depends on !SMP |
| 156 | default y |
| 157 | |
Russell King | f16fb1e | 2007-04-28 09:59:37 +0100 | [diff] [blame] | 158 | config LOCKDEP_SUPPORT |
| 159 | bool |
| 160 | default y |
| 161 | |
Russell King | 7ad1bcb | 2006-08-27 12:07:02 +0100 | [diff] [blame] | 162 | config TRACE_IRQFLAGS_SUPPORT |
| 163 | bool |
| 164 | default y |
| 165 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | config RWSEM_GENERIC_SPINLOCK |
| 167 | bool |
| 168 | default y |
| 169 | |
| 170 | config RWSEM_XCHGADD_ALGORITHM |
| 171 | bool |
| 172 | |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 173 | config ARCH_HAS_ILOG2_U32 |
| 174 | bool |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 175 | |
| 176 | config ARCH_HAS_ILOG2_U64 |
| 177 | bool |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 178 | |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 179 | config ARCH_HAS_CPUFREQ |
| 180 | bool |
| 181 | help |
| 182 | Internal node to signify that the ARCH has CPUFREQ support |
| 183 | and that the relevant menu configurations are displayed for |
| 184 | it. |
| 185 | |
Eduardo Valentin | 4a1b573 | 2013-06-13 22:58:52 +0100 | [diff] [blame] | 186 | config ARCH_HAS_BANDGAP |
| 187 | bool |
| 188 | |
Akinobu Mita | b89c3b1 | 2006-03-26 01:39:19 -0800 | [diff] [blame] | 189 | config GENERIC_HWEIGHT |
| 190 | bool |
| 191 | default y |
| 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | config GENERIC_CALIBRATE_DELAY |
| 194 | bool |
| 195 | default y |
| 196 | |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 197 | config ARCH_MAY_HAVE_PC_FDC |
| 198 | bool |
| 199 | |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 200 | config ZONE_DMA |
| 201 | bool |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 202 | |
FUJITA Tomonori | ccd7ab7 | 2010-03-10 15:23:23 -0800 | [diff] [blame] | 203 | config NEED_DMA_MAP_STATE |
| 204 | def_bool y |
| 205 | |
Rob Herring | 58af4a2 | 2012-03-20 14:33:01 -0500 | [diff] [blame] | 206 | config ARCH_HAS_DMA_SET_COHERENT_MASK |
| 207 | bool |
| 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | config GENERIC_ISA_DMA |
| 210 | bool |
| 211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | config FIQ |
| 213 | bool |
| 214 | |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 215 | config NEED_RET_TO_USER |
| 216 | bool |
| 217 | |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 218 | config ARCH_MTD_XIP |
| 219 | bool |
| 220 | |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 221 | config VECTORS_BASE |
| 222 | hex |
Hyok S. Choi | 6afd6fa | 2006-09-28 21:46:34 +0900 | [diff] [blame] | 223 | default 0xffff0000 if MMU || CPU_HIGH_VECTOR |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 224 | default DRAM_BASE if REMAP_VECTORS_TO_RAM |
| 225 | default 0x00000000 |
| 226 | help |
Russell King | 19accfd | 2013-07-04 11:40:32 +0100 | [diff] [blame] | 227 | The base address of exception vectors. This must be two pages |
| 228 | in size. |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 229 | |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 230 | config ARM_PATCH_PHYS_VIRT |
Russell King | c1beced | 2011-08-10 10:23:45 +0100 | [diff] [blame] | 231 | bool "Patch physical to virtual translations at runtime" if EMBEDDED |
| 232 | default y |
Nicolas Pitre | b511d75 | 2011-02-21 06:53:35 +0100 | [diff] [blame] | 233 | depends on !XIP_KERNEL && MMU |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 234 | depends on !ARCH_REALVIEW || !SPARSEMEM |
| 235 | help |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 236 | Patch phys-to-virt and virt-to-phys translation functions at |
| 237 | boot and module load time according to the position of the |
| 238 | kernel in system memory. |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 239 | |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 240 | This can only be used with non-XIP MMU kernels where the base |
Nicolas Pitre | daece59 | 2011-08-12 00:14:29 +0100 | [diff] [blame] | 241 | of physical memory is at a 16MB boundary. |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 242 | |
Russell King | c1beced | 2011-08-10 10:23:45 +0100 | [diff] [blame] | 243 | Only disable this option if you know that you do not require |
| 244 | this feature (eg, building a kernel for a single machine) and |
| 245 | you need to shrink the kernel to the minimal size. |
| 246 | |
Rob Herring | 0146422 | 2012-08-28 13:06:41 -0500 | [diff] [blame] | 247 | config NEED_MACH_GPIO_H |
| 248 | bool |
| 249 | help |
| 250 | Select this when mach/gpio.h is required to provide special |
| 251 | definitions for this platform. The need for mach/gpio.h should |
| 252 | be avoided when possible. |
| 253 | |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 254 | config NEED_MACH_IO_H |
| 255 | bool |
| 256 | help |
| 257 | Select this when mach/io.h is required to provide special |
| 258 | definitions for this platform. The need for mach/io.h should |
| 259 | be avoided when possible. |
| 260 | |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 261 | config NEED_MACH_MEMORY_H |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 262 | bool |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 263 | help |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 264 | Select this when mach/memory.h is required to provide special |
| 265 | definitions for this platform. The need for mach/memory.h should |
| 266 | be avoided when possible. |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 267 | |
| 268 | config PHYS_OFFSET |
Nicolas Pitre | 974c072 | 2011-12-02 23:09:42 +0100 | [diff] [blame] | 269 | hex "Physical address of main memory" if MMU |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 270 | depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H |
Nicolas Pitre | 974c072 | 2011-12-02 23:09:42 +0100 | [diff] [blame] | 271 | default DRAM_BASE if !MMU |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 272 | help |
| 273 | Please provide the physical address corresponding to the |
| 274 | location of main memory in your system. |
Russell King | cada3c0 | 2011-01-04 19:39:29 +0000 | [diff] [blame] | 275 | |
Simon Glass | 87e040b | 2011-08-16 23:44:26 +0100 | [diff] [blame] | 276 | config GENERIC_BUG |
| 277 | def_bool y |
| 278 | depends on BUG |
| 279 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | source "init/Kconfig" |
| 281 | |
Matt Helsley | dc52ddc | 2008-10-18 20:27:21 -0700 | [diff] [blame] | 282 | source "kernel/Kconfig.freezer" |
| 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | menu "System Type" |
| 285 | |
Hyok S. Choi | 3c42797 | 2009-07-24 12:35:00 +0100 | [diff] [blame] | 286 | config MMU |
| 287 | bool "MMU-based Paged Memory Management Support" |
| 288 | default y |
| 289 | help |
| 290 | Select if you want MMU-based virtualised addressing space |
| 291 | support by paged memory management. If unsure, say 'Y'. |
| 292 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 293 | # |
| 294 | # The "ARM system type" choice list is ordered alphabetically by option |
| 295 | # text. Please add new entries in the option alphabetic order. |
| 296 | # |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | choice |
| 298 | prompt "ARM system type" |
Arnd Bergmann | 1420b22 | 2013-02-14 13:33:36 +0100 | [diff] [blame] | 299 | default ARCH_VERSATILE if !MMU |
| 300 | default ARCH_MULTIPLATFORM if MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 302 | config ARCH_MULTIPLATFORM |
| 303 | bool "Allow multiple platforms to be selected" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 304 | depends on MMU |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 305 | select ARM_PATCH_PHYS_VIRT |
| 306 | select AUTO_ZRELADDR |
Dinh Nguyen | 6631422 | 2012-07-18 16:07:18 -0600 | [diff] [blame] | 307 | select COMMON_CLK |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 308 | select MULTI_IRQ_HANDLER |
Dinh Nguyen | 6631422 | 2012-07-18 16:07:18 -0600 | [diff] [blame] | 309 | select SPARSE_IRQ |
| 310 | select USE_OF |
Dinh Nguyen | 6631422 | 2012-07-18 16:07:18 -0600 | [diff] [blame] | 311 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 312 | config ARCH_INTEGRATOR |
| 313 | bool "ARM Ltd. Integrator family" |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 314 | select ARCH_HAS_CPUFREQ |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 315 | select ARM_AMBA |
Linus Walleij | a613163 | 2012-06-11 17:33:12 +0200 | [diff] [blame] | 316 | select COMMON_CLK |
Linus Walleij | f9a6aa4 | 2012-08-06 18:32:08 +0200 | [diff] [blame] | 317 | select COMMON_CLK_VERSATILE |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 318 | select GENERIC_CLOCKEVENTS |
Linus Walleij | 9904f79 | 2011-12-09 10:29:23 +0100 | [diff] [blame] | 319 | select HAVE_TCM |
Russell King | c5a0adb | 2010-01-16 20:16:10 +0000 | [diff] [blame] | 320 | select ICST |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 321 | select MULTI_IRQ_HANDLER |
| 322 | select NEED_MACH_MEMORY_H |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 323 | select PLAT_VERSATILE |
Linus Walleij | 695436e | 2012-02-26 10:46:48 +0100 | [diff] [blame] | 324 | select SPARSE_IRQ |
Linus Walleij | d7057e1 | 2013-06-15 22:01:13 +0200 | [diff] [blame] | 325 | select USE_OF |
Linus Walleij | 2389d50 | 2012-10-31 22:04:31 +0100 | [diff] [blame] | 326 | select VERSATILE_FPGA_IRQ |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 327 | help |
| 328 | Support for ARM's Integrator platform. |
| 329 | |
| 330 | config ARCH_REALVIEW |
| 331 | bool "ARM Ltd. RealView family" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 332 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 333 | select ARM_AMBA |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 334 | select ARM_TIMER_SP804 |
Linus Walleij | f9a6aa4 | 2012-08-06 18:32:08 +0200 | [diff] [blame] | 335 | select COMMON_CLK |
| 336 | select COMMON_CLK_VERSATILE |
Catalin Marinas | ae30cea | 2008-02-04 17:26:55 +0100 | [diff] [blame] | 337 | select GENERIC_CLOCKEVENTS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 338 | select GPIO_PL061 if GPIOLIB |
| 339 | select ICST |
| 340 | select NEED_MACH_MEMORY_H |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 341 | select PLAT_VERSATILE |
Russell King | 3cb5ee4 | 2011-01-18 20:13:20 +0000 | [diff] [blame] | 342 | select PLAT_VERSATILE_CLCD |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 343 | help |
| 344 | This enables support for ARM Ltd RealView boards. |
| 345 | |
| 346 | config ARCH_VERSATILE |
| 347 | bool "ARM Ltd. Versatile family" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 348 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 349 | select ARM_AMBA |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 350 | select ARM_TIMER_SP804 |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 351 | select ARM_VIC |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 352 | select CLKDEV_LOOKUP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 353 | select GENERIC_CLOCKEVENTS |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 354 | select HAVE_MACH_CLKDEV |
Russell King | c5a0adb | 2010-01-16 20:16:10 +0000 | [diff] [blame] | 355 | select ICST |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 356 | select PLAT_VERSATILE |
Russell King | 3414ba8 | 2011-01-18 20:12:10 +0000 | [diff] [blame] | 357 | select PLAT_VERSATILE_CLCD |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 358 | select PLAT_VERSATILE_CLOCK |
Linus Walleij | 2389d50 | 2012-10-31 22:04:31 +0100 | [diff] [blame] | 359 | select VERSATILE_FPGA_IRQ |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 360 | help |
| 361 | This enables support for ARM Ltd Versatile board. |
| 362 | |
Andrew Victor | 8fc5ffa | 2006-06-29 16:06:33 +0100 | [diff] [blame] | 363 | config ARCH_AT91 |
| 364 | bool "Atmel AT91" |
Ryan Mallon | f373e8c | 2009-02-10 21:02:08 +0100 | [diff] [blame] | 365 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christophe PLAGNIOL-VILLARD | bd60299 | 2011-02-02 07:27:07 +0100 | [diff] [blame] | 366 | select CLKDEV_LOOKUP |
Nicolas Ferre | e261501 | 2011-11-22 22:26:09 +0100 | [diff] [blame] | 367 | select IRQ_DOMAIN |
Rob Herring | 0146422 | 2012-08-28 13:06:41 -0500 | [diff] [blame] | 368 | select NEED_MACH_GPIO_H |
Rob Herring | 1ac02d7 | 2012-04-04 17:48:04 -0500 | [diff] [blame] | 369 | select NEED_MACH_IO_H if PCCARD |
Jean-Christophe PLAGNIOL-VILLARD | 6732ae5 | 2012-07-12 23:35:02 +0800 | [diff] [blame] | 370 | select PINCTRL |
| 371 | select PINCTRL_AT91 if USE_OF |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 372 | help |
Nicolas Ferre | 929e994 | 2012-03-15 12:21:12 +0100 | [diff] [blame] | 373 | This enables support for systems based on Atmel |
| 374 | AT91RM9200 and AT91SAM9* processors. |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 375 | |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 376 | config ARCH_CLPS711X |
| 377 | bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" |
Alexander Shiyan | a3b8d4a | 2012-10-09 20:05:56 +0400 | [diff] [blame] | 378 | select ARCH_REQUIRE_GPIOLIB |
Alexander Shiyan | ea7d1bc | 2012-11-17 17:57:11 +0400 | [diff] [blame] | 379 | select AUTO_ZRELADDR |
Alexander Shiyan | c99f72a | 2013-05-13 21:07:32 +0400 | [diff] [blame] | 380 | select CLKSRC_MMIO |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 381 | select COMMON_CLK |
| 382 | select CPU_ARM720T |
Alexander Shiyan | 4a8355c | 2012-10-10 19:45:27 +0400 | [diff] [blame] | 383 | select GENERIC_CLOCKEVENTS |
Alexander Shiyan | 6597619 | 2013-05-13 21:07:36 +0400 | [diff] [blame] | 384 | select MFD_SYSCON |
Alexander Shiyan | 99f04c8 | 2012-11-17 17:57:14 +0400 | [diff] [blame] | 385 | select MULTI_IRQ_HANDLER |
Alexander Shiyan | 0d8be81 | 2012-11-17 17:57:13 +0400 | [diff] [blame] | 386 | select SPARSE_IRQ |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 387 | help |
| 388 | Support for Cirrus Logic 711x/721x/731x based boards. |
| 389 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 390 | config ARCH_GEMINI |
| 391 | bool "Cortina Systems Gemini" |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 392 | select ARCH_REQUIRE_GPIOLIB |
Linus Walleij | f3372c0 | 2013-10-01 12:57:20 +0200 | [diff] [blame] | 393 | select CLKSRC_MMIO |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 394 | select CPU_FA526 |
Linus Walleij | f3372c0 | 2013-10-01 12:57:20 +0200 | [diff] [blame] | 395 | select GENERIC_CLOCKEVENTS |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 396 | help |
| 397 | Support for the Cortina Systems Gemini family SoCs |
| 398 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | config ARCH_EBSA110 |
| 400 | bool "EBSA-110" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 401 | select ARCH_USES_GETTIMEOFFSET |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 402 | select CPU_SA110 |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 403 | select ISA |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 404 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 405 | select NEED_MACH_MEMORY_H |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 406 | select NO_IOPORT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | help |
| 408 | This is an evaluation board for the StrongARM processor available |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 409 | from Digital. It has limited hardware on-board, including an |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | Ethernet interface, two PCMCIA sockets, two serial ports and a |
| 411 | parallel port. |
| 412 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 413 | config ARCH_EP93XX |
| 414 | bool "EP93xx-based" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 415 | select ARCH_HAS_HOLES_MEMORYMODEL |
| 416 | select ARCH_REQUIRE_GPIOLIB |
| 417 | select ARCH_USES_GETTIMEOFFSET |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 418 | select ARM_AMBA |
| 419 | select ARM_VIC |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 420 | select CLKDEV_LOOKUP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 421 | select CPU_ARM920T |
Arnd Bergmann | 5725aea | 2011-10-31 23:11:46 +0100 | [diff] [blame] | 422 | select NEED_MACH_MEMORY_H |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 423 | help |
| 424 | This enables support for the Cirrus EP93xx series of CPUs. |
| 425 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | config ARCH_FOOTBRIDGE |
| 427 | bool "FootBridge" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 428 | select CPU_SA110 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | select FOOTBRIDGE |
Russell King | 4e8d763 | 2011-01-28 21:00:39 +0000 | [diff] [blame] | 430 | select GENERIC_CLOCKEVENTS |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 431 | select HAVE_IDE |
Rob Herring | 8ef6e62 | 2012-03-01 20:48:12 -0600 | [diff] [blame] | 432 | select NEED_MACH_IO_H if !MMU |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 433 | select NEED_MACH_MEMORY_H |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 434 | help |
| 435 | Support for systems based on the DC21285 companion chip |
| 436 | ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 438 | config ARCH_NETX |
| 439 | bool "Hilscher NetX based" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 440 | select ARM_VIC |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 441 | select CLKSRC_MMIO |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 442 | select CPU_ARM926T |
Uwe Kleine-König | 2fcfe6b | 2008-12-09 21:57:24 +0100 | [diff] [blame] | 443 | select GENERIC_CLOCKEVENTS |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 444 | help |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 445 | This enables support for systems based on the Hilscher NetX Soc |
| 446 | |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 447 | config ARCH_IOP13XX |
| 448 | bool "IOP13xx-based" |
| 449 | depends on MMU |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 450 | select CPU_XSC3 |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 451 | select NEED_MACH_MEMORY_H |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 452 | select NEED_RET_TO_USER |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 453 | select PCI |
| 454 | select PLAT_IOP |
| 455 | select VMSPLIT_1G |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 456 | help |
| 457 | Support for Intel's IOP13XX (XScale) family of processors. |
| 458 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 459 | config ARCH_IOP32X |
| 460 | bool "IOP32x-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 461 | depends on MMU |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 462 | select ARCH_REQUIRE_GPIOLIB |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 463 | select CPU_XSCALE |
Linus Walleij | e9004f5 | 2013-09-09 11:59:51 +0200 | [diff] [blame] | 464 | select GPIO_IOP |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 465 | select NEED_RET_TO_USER |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 466 | select PCI |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 467 | select PLAT_IOP |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 468 | help |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 469 | Support for Intel's 80219 and IOP32X (XScale) family of |
| 470 | processors. |
| 471 | |
| 472 | config ARCH_IOP33X |
| 473 | bool "IOP33x-based" |
| 474 | depends on MMU |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 475 | select ARCH_REQUIRE_GPIOLIB |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 476 | select CPU_XSCALE |
Linus Walleij | e9004f5 | 2013-09-09 11:59:51 +0200 | [diff] [blame] | 477 | select GPIO_IOP |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 478 | select NEED_RET_TO_USER |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 479 | select PCI |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 480 | select PLAT_IOP |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 481 | help |
| 482 | Support for Intel's IOP33X (XScale) family of processors. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 484 | config ARCH_IXP4XX |
| 485 | bool "IXP4xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 486 | depends on MMU |
Rob Herring | 58af4a2 | 2012-03-20 14:33:01 -0500 | [diff] [blame] | 487 | select ARCH_HAS_DMA_SET_COHERENT_MASK |
Ben Dooks | d10d2d4 | 2013-02-01 09:41:37 +0000 | [diff] [blame] | 488 | select ARCH_SUPPORTS_BIG_ENDIAN |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 489 | select ARCH_REQUIRE_GPIOLIB |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 490 | select CLKSRC_MMIO |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 491 | select CPU_XSCALE |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 492 | select DMABOUNCE if PCI |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 493 | select GENERIC_CLOCKEVENTS |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 494 | select MIGHT_HAVE_PCI |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 495 | select NEED_MACH_IO_H |
Florian Fainelli | 9296d94 | 2013-04-09 14:29:26 +0200 | [diff] [blame] | 496 | select USB_EHCI_BIG_ENDIAN_DESC |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 497 | select USB_EHCI_BIG_ENDIAN_MMIO |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 498 | help |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 499 | Support for Intel's IXP4XX (XScale) family of processors. |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 500 | |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 501 | config ARCH_DOVE |
| 502 | bool "Marvell Dove" |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 503 | select ARCH_REQUIRE_GPIOLIB |
Sebastian Hesselbarth | 756b253 | 2013-05-02 19:56:12 +0100 | [diff] [blame] | 504 | select CPU_PJ4 |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 505 | select GENERIC_CLOCKEVENTS |
Russell King | 0f81bd4 | 2012-09-09 20:34:13 +0100 | [diff] [blame] | 506 | select MIGHT_HAVE_PCI |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 507 | select MVEBU_MBUS |
Sebastian Hesselbarth | 9139acd | 2012-11-19 10:39:55 +0100 | [diff] [blame] | 508 | select PINCTRL |
| 509 | select PINCTRL_DOVE |
Thomas Petazzoni | abcda1d | 2012-09-11 14:27:27 +0200 | [diff] [blame] | 510 | select PLAT_ORION_LEGACY |
Russell King | 0f81bd4 | 2012-09-09 20:34:13 +0100 | [diff] [blame] | 511 | select USB_ARCH_HAS_EHCI |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 512 | help |
| 513 | Support for the Marvell Dove SoC 88AP510 |
| 514 | |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 515 | config ARCH_KIRKWOOD |
| 516 | bool "Marvell Kirkwood" |
Andrew Lunn | 0e2ee0c | 2013-01-27 11:07:23 +0100 | [diff] [blame] | 517 | select ARCH_HAS_CPUFREQ |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 518 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 519 | select CPU_FEROCEON |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 520 | select GENERIC_CLOCKEVENTS |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 521 | select MVEBU_MBUS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 522 | select PCI |
Jason Gunthorpe | 1dc831b | 2012-11-21 00:19:06 -0700 | [diff] [blame] | 523 | select PCI_QUIRKS |
Andrew Lunn | f9e7592 | 2012-11-17 17:00:44 +0100 | [diff] [blame] | 524 | select PINCTRL |
| 525 | select PINCTRL_KIRKWOOD |
Thomas Petazzoni | abcda1d | 2012-09-11 14:27:27 +0200 | [diff] [blame] | 526 | select PLAT_ORION_LEGACY |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 527 | help |
| 528 | Support for the following Marvell Kirkwood series SoCs: |
| 529 | 88F6180, 88F6192 and 88F6281. |
| 530 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 531 | config ARCH_MV78XX0 |
| 532 | bool "Marvell MV78xx0" |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 533 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 534 | select CPU_FEROCEON |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 535 | select GENERIC_CLOCKEVENTS |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 536 | select MVEBU_MBUS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 537 | select PCI |
Thomas Petazzoni | abcda1d | 2012-09-11 14:27:27 +0200 | [diff] [blame] | 538 | select PLAT_ORION_LEGACY |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 539 | help |
| 540 | Support for the following Marvell MV78xx0 series SoCs: |
| 541 | MV781x0, MV782x0. |
| 542 | |
| 543 | config ARCH_ORION5X |
| 544 | bool "Marvell Orion" |
| 545 | depends on MMU |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 546 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 547 | select CPU_FEROCEON |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 548 | select GENERIC_CLOCKEVENTS |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 549 | select MVEBU_MBUS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 550 | select PCI |
Thomas Petazzoni | abcda1d | 2012-09-11 14:27:27 +0200 | [diff] [blame] | 551 | select PLAT_ORION_LEGACY |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 552 | help |
| 553 | Support for the following Marvell Orion 5x series SoCs: |
| 554 | Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), |
| 555 | Orion-2 (5281), Orion-1-90 (6183). |
| 556 | |
| 557 | config ARCH_MMP |
Haojian Zhuang | 2f7e8fa | 2009-12-04 09:41:28 -0500 | [diff] [blame] | 558 | bool "Marvell PXA168/910/MMP2" |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 559 | depends on MMU |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 560 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 561 | select CLKDEV_LOOKUP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 562 | select GENERIC_ALLOCATOR |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 563 | select GENERIC_CLOCKEVENTS |
Haojian Zhuang | 157d264 | 2011-10-17 20:37:52 +0800 | [diff] [blame] | 564 | select GPIO_PXA |
Haojian Zhuang | c24b311 | 2012-04-12 19:02:02 +0800 | [diff] [blame] | 565 | select IRQ_DOMAIN |
Haojian Zhuang | 0f37456 | 2013-04-21 16:53:02 +0800 | [diff] [blame] | 566 | select MULTI_IRQ_HANDLER |
Axel Lin | 7c8f86a | 2012-11-28 14:42:35 +0800 | [diff] [blame] | 567 | select PINCTRL |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 568 | select PLAT_PXA |
Haojian Zhuang | 0bd8696 | 2010-09-08 09:42:42 -0400 | [diff] [blame] | 569 | select SPARSE_IRQ |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 570 | help |
Haojian Zhuang | 2f7e8fa | 2009-12-04 09:41:28 -0500 | [diff] [blame] | 571 | Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 572 | |
Andrew Victor | c53c9cf | 2007-05-11 21:01:28 +0100 | [diff] [blame] | 573 | config ARCH_KS8695 |
| 574 | bool "Micrel/Kendin KS8695" |
Hartley Sweeten | 98830bc | 2010-05-17 17:18:10 +0100 | [diff] [blame] | 575 | select ARCH_REQUIRE_GPIOLIB |
Linus Walleij | c7e783d | 2012-08-29 20:27:22 +0200 | [diff] [blame] | 576 | select CLKSRC_MMIO |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 577 | select CPU_ARM922T |
Linus Walleij | c7e783d | 2012-08-29 20:27:22 +0200 | [diff] [blame] | 578 | select GENERIC_CLOCKEVENTS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 579 | select NEED_MACH_MEMORY_H |
Andrew Victor | c53c9cf | 2007-05-11 21:01:28 +0100 | [diff] [blame] | 580 | help |
| 581 | Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based |
| 582 | System-on-Chip devices. |
| 583 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 584 | config ARCH_W90X900 |
| 585 | bool "Nuvoton W90X900 CPU" |
wanzongshun | c52d3d6 | 2009-06-10 15:49:32 +0100 | [diff] [blame] | 586 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 587 | select CLKDEV_LOOKUP |
Russell King | 6fa5d5f | 2011-05-08 15:34:39 +0100 | [diff] [blame] | 588 | select CLKSRC_MMIO |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 589 | select CPU_ARM926T |
wanzongshun | 58b5369 | 2009-08-14 15:36:44 +0100 | [diff] [blame] | 590 | select GENERIC_CLOCKEVENTS |
Lennert Buytenhek | 777f9be | 2008-06-22 22:45:02 +0200 | [diff] [blame] | 591 | help |
wanzongshun | a8bc4ea | 2009-08-14 15:38:29 +0100 | [diff] [blame] | 592 | Support for Nuvoton (Winbond logic dept.) ARM9 processor, |
| 593 | At present, the w90x900 has been renamed nuc900, regarding |
| 594 | the ARM series product line, you can login the following |
| 595 | link address to know more. |
| 596 | |
| 597 | <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ |
| 598 | ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> |
Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 599 | |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 600 | config ARCH_LPC32XX |
| 601 | bool "NXP LPC32XX" |
| 602 | select ARCH_REQUIRE_GPIOLIB |
| 603 | select ARM_AMBA |
Russell King | 4073723 | 2011-01-06 22:32:52 +0000 | [diff] [blame] | 604 | select CLKDEV_LOOKUP |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 605 | select CLKSRC_MMIO |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 606 | select CPU_ARM926T |
| 607 | select GENERIC_CLOCKEVENTS |
| 608 | select HAVE_IDE |
| 609 | select HAVE_PWM |
| 610 | select USB_ARCH_HAS_OHCI |
| 611 | select USE_OF |
| 612 | help |
| 613 | Support for the NXP LPC32XX family of processors |
| 614 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | config ARCH_PXA |
eric miao | 2c8086a | 2007-09-11 19:13:17 -0700 | [diff] [blame] | 616 | bool "PXA2xx/PXA3xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 617 | depends on MMU |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 618 | select ARCH_HAS_CPUFREQ |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 619 | select ARCH_MTD_XIP |
| 620 | select ARCH_REQUIRE_GPIOLIB |
| 621 | select ARM_CPU_SUSPEND if PM |
| 622 | select AUTO_ZRELADDR |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 623 | select CLKDEV_LOOKUP |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 624 | select CLKSRC_MMIO |
Eric Miao | 981d0f3 | 2007-07-24 01:22:43 +0100 | [diff] [blame] | 625 | select GENERIC_CLOCKEVENTS |
Haojian Zhuang | 157d264 | 2011-10-17 20:37:52 +0800 | [diff] [blame] | 626 | select GPIO_PXA |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 627 | select HAVE_IDE |
| 628 | select MULTI_IRQ_HANDLER |
Eric Miao | bd5ce43 | 2009-01-20 12:06:01 +0800 | [diff] [blame] | 629 | select PLAT_PXA |
Haojian Zhuang | 6ac6b81 | 2010-08-20 15:23:59 +0800 | [diff] [blame] | 630 | select SPARSE_IRQ |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 631 | help |
eric miao | 2c8086a | 2007-09-11 19:13:17 -0700 | [diff] [blame] | 632 | Support for Intel/Marvell's PXA2xx/PXA3xx processor line. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 634 | config ARCH_MSM |
| 635 | bool "Qualcomm MSM" |
Pavel Machek | 923a081 | 2010-06-02 11:11:12 -0700 | [diff] [blame] | 636 | select ARCH_REQUIRE_GPIOLIB |
Stephen Boyd | c602520 | 2013-07-24 13:54:30 -0700 | [diff] [blame] | 637 | select CLKSRC_OF if OF |
Stephen Boyd | 8cc7f53 | 2013-06-17 10:43:19 -0700 | [diff] [blame] | 638 | select COMMON_CLK |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 639 | select GENERIC_CLOCKEVENTS |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 640 | help |
Daniel Walker | 4b53eb4 | 2010-01-01 15:11:43 -0800 | [diff] [blame] | 641 | Support for Qualcomm MSM/QSD based systems. This runs on the |
| 642 | apps processor of the MSM/QSD and depends on a shared memory |
| 643 | interface to the modem processor which runs the baseband |
| 644 | stack and controls some vital subsystems |
| 645 | (clock and power control, etc). |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 646 | |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 647 | config ARCH_SHMOBILE |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 648 | bool "Renesas SH-Mobile / R-Mobile" |
Magnus Damm | 6946999 | 2013-06-10 18:46:47 +0900 | [diff] [blame] | 649 | select ARM_PATCH_PHYS_VIRT |
Paul Mundt | 5e93c6b | 2011-01-07 10:29:26 +0900 | [diff] [blame] | 650 | select CLKDEV_LOOKUP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 651 | select GENERIC_CLOCKEVENTS |
Stephen Boyd | 4c3ffff | 2013-02-27 15:28:14 -0800 | [diff] [blame] | 652 | select HAVE_ARM_SCU if SMP |
Stephen Boyd | a894fcc | 2013-02-15 16:02:20 -0800 | [diff] [blame] | 653 | select HAVE_ARM_TWD if SMP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 654 | select HAVE_MACH_CLKDEV |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 655 | select HAVE_SMP |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 656 | select MIGHT_HAVE_CACHE_L2X0 |
Magnus Damm | 60f1435 | 2010-12-28 08:26:52 +0000 | [diff] [blame] | 657 | select MULTI_IRQ_HANDLER |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 658 | select NO_IOPORT |
Laurent Pinchart | 2cd3c92 | 2013-05-31 05:00:27 +0200 | [diff] [blame] | 659 | select PINCTRL |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 660 | select PM_GENERIC_DOMAINS if PM |
| 661 | select SPARSE_IRQ |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 662 | help |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 663 | Support for Renesas's SH-Mobile and R-Mobile ARM platforms. |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 664 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | config ARCH_RPC |
| 666 | bool "RiscPC" |
| 667 | select ARCH_ACORN |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 668 | select ARCH_MAY_HAVE_PC_FDC |
Russell King | 07f841b | 2008-10-01 17:11:06 +0100 | [diff] [blame] | 669 | select ARCH_SPARSEMEM_ENABLE |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 670 | select ARCH_USES_GETTIMEOFFSET |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 671 | select FIQ |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 672 | select HAVE_IDE |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 673 | select HAVE_PATA_PLATFORM |
| 674 | select ISA_DMA_API |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 675 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 676 | select NEED_MACH_MEMORY_H |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 677 | select NO_IOPORT |
Arnd Bergmann | b4811ba | 2013-03-13 17:36:37 +0100 | [diff] [blame] | 678 | select VIRT_TO_BUS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | help |
| 680 | On the Acorn Risc-PC, Linux can support the internal IDE disk and |
| 681 | CD-ROM interface, serial and parallel port, and the floppy drive. |
| 682 | |
| 683 | config ARCH_SA1100 |
| 684 | bool "SA1100-based" |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 685 | select ARCH_HAS_CPUFREQ |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 686 | select ARCH_MTD_XIP |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 687 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 688 | select ARCH_SPARSEMEM_ENABLE |
| 689 | select CLKDEV_LOOKUP |
| 690 | select CLKSRC_MMIO |
| 691 | select CPU_FREQ |
| 692 | select CPU_SA1100 |
| 693 | select GENERIC_CLOCKEVENTS |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 694 | select HAVE_IDE |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 695 | select ISA |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 696 | select NEED_MACH_MEMORY_H |
Russell King | 375dec9 | 2012-02-23 14:29:33 +0100 | [diff] [blame] | 697 | select SPARSE_IRQ |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 698 | help |
| 699 | Support for StrongARM 11x0 based boards. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 701 | config ARCH_S3C24XX |
| 702 | bool "Samsung S3C24XX SoCs" |
Ben Dooks | 9d56c02 | 2009-07-30 23:23:25 +0100 | [diff] [blame] | 703 | select ARCH_HAS_CPUFREQ |
Kukjin Kim | 5365043 | 2013-04-04 09:04:30 +0900 | [diff] [blame] | 704 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 705 | select CLKDEV_LOOKUP |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 706 | select CLKSRC_SAMSUNG_PWM |
Romain Naour | 7f78b6e | 2013-01-09 18:47:04 -0800 | [diff] [blame] | 707 | select GENERIC_CLOCKEVENTS |
Tomasz Figa | 880cf07 | 2013-06-19 01:22:20 +0900 | [diff] [blame] | 708 | select GPIO_SAMSUNG |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 709 | select HAVE_S3C2410_I2C if I2C |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 710 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 711 | select HAVE_S3C_RTC if RTC_CLASS |
Heiko Stuebner | 17453dd | 2013-03-07 12:38:25 +0900 | [diff] [blame] | 712 | select MULTI_IRQ_HANDLER |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 713 | select NEED_MACH_IO_H |
Tomasz Figa | cd8dc7a | 2013-06-15 09:01:49 +0900 | [diff] [blame] | 714 | select SAMSUNG_ATAGS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | help |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 716 | Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443 |
| 717 | and S3C2450 SoCs based systems, such as the Simtec Electronics BAST |
| 718 | (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the |
| 719 | Samsung SMDK2410 development board (and derivatives). |
Ben Dooks | 63b1f51 | 2010-04-30 16:32:26 +0900 | [diff] [blame] | 720 | |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 721 | config ARCH_S3C64XX |
| 722 | bool "Samsung S3C64XX" |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 723 | select ARCH_HAS_CPUFREQ |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 724 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 725 | select ARM_VIC |
| 726 | select CLKDEV_LOOKUP |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 727 | select CLKSRC_SAMSUNG_PWM |
Tomasz Figa | b69f460 | 2013-08-26 02:00:38 +0900 | [diff] [blame] | 728 | select COMMON_CLK |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 729 | select CPU_V6 |
Romain Naour | 04a49b7 | 2013-01-09 18:47:04 -0800 | [diff] [blame] | 730 | select GENERIC_CLOCKEVENTS |
Tomasz Figa | 880cf07 | 2013-06-19 01:22:20 +0900 | [diff] [blame] | 731 | select GPIO_SAMSUNG |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 732 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 733 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 734 | select HAVE_TCM |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 735 | select NO_IOPORT |
| 736 | select PLAT_SAMSUNG |
Tomasz Figa | 6e2d9e9 | 2013-10-06 09:06:27 +0900 | [diff] [blame] | 737 | select PM_GENERIC_DOMAINS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 738 | select S3C_DEV_NAND |
| 739 | select S3C_GPIO_TRACK |
Tomasz Figa | cd8dc7a | 2013-06-15 09:01:49 +0900 | [diff] [blame] | 740 | select SAMSUNG_ATAGS |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 741 | select SAMSUNG_GPIOLIB_4BIT |
Tomasz Figa | 6e2d9e9 | 2013-10-06 09:06:27 +0900 | [diff] [blame] | 742 | select SAMSUNG_WAKEMASK |
Tomasz Figa | 88f5973 | 2013-06-17 23:45:37 +0900 | [diff] [blame] | 743 | select SAMSUNG_WDT_RESET |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 744 | select USB_ARCH_HAS_OHCI |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 745 | help |
| 746 | Samsung S3C64XX series based systems |
| 747 | |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 748 | config ARCH_S5P64X0 |
| 749 | bool "Samsung S5P6440 S5P6450" |
Thomas Abraham | d8b22d2 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 750 | select CLKDEV_LOOKUP |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 751 | select CLKSRC_SAMSUNG_PWM |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 752 | select CPU_V6 |
Sangbeom Kim | 9e65bbf | 2011-03-12 08:05:19 +0900 | [diff] [blame] | 753 | select GENERIC_CLOCKEVENTS |
Tomasz Figa | 880cf07 | 2013-06-19 01:22:20 +0900 | [diff] [blame] | 754 | select GPIO_SAMSUNG |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 755 | select HAVE_S3C2410_I2C if I2C |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 756 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Kukjin Kim | 754961a | 2010-11-13 16:11:46 +0900 | [diff] [blame] | 757 | select HAVE_S3C_RTC if RTC_CLASS |
Rob Herring | 0146422 | 2012-08-28 13:06:41 -0500 | [diff] [blame] | 758 | select NEED_MACH_GPIO_H |
Tomasz Figa | cd8dc7a | 2013-06-15 09:01:49 +0900 | [diff] [blame] | 759 | select SAMSUNG_ATAGS |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 760 | select SAMSUNG_WDT_RESET |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 761 | help |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 762 | Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, |
| 763 | SMDK6450. |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 764 | |
Marek Szyprowski | acc8470 | 2010-05-20 07:51:08 +0200 | [diff] [blame] | 765 | config ARCH_S5PC100 |
| 766 | bool "Samsung S5PC100" |
Kukjin Kim | 5365043 | 2013-04-04 09:04:30 +0900 | [diff] [blame] | 767 | select ARCH_REQUIRE_GPIOLIB |
Thomas Abraham | 29e8eb0 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 768 | select CLKDEV_LOOKUP |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 769 | select CLKSRC_SAMSUNG_PWM |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 770 | select CPU_V7 |
Romain Naour | 6a5a2e3 | 2013-01-09 18:47:04 -0800 | [diff] [blame] | 771 | select GENERIC_CLOCKEVENTS |
Tomasz Figa | 880cf07 | 2013-06-19 01:22:20 +0900 | [diff] [blame] | 772 | select GPIO_SAMSUNG |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 773 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 774 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 775 | select HAVE_S3C_RTC if RTC_CLASS |
Rob Herring | 0146422 | 2012-08-28 13:06:41 -0500 | [diff] [blame] | 776 | select NEED_MACH_GPIO_H |
Tomasz Figa | cd8dc7a | 2013-06-15 09:01:49 +0900 | [diff] [blame] | 777 | select SAMSUNG_ATAGS |
Russell King | 171b3f0 | 2013-09-12 21:24:42 +0100 | [diff] [blame] | 778 | select SAMSUNG_WDT_RESET |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 779 | help |
Marek Szyprowski | acc8470 | 2010-05-20 07:51:08 +0200 | [diff] [blame] | 780 | Samsung S5PC100 series based systems |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 781 | |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 782 | config ARCH_S5PV210 |
| 783 | bool "Samsung S5PV210/S5PC110" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 784 | select ARCH_HAS_CPUFREQ |
Kamil Debski | 0f75a96 | 2011-07-21 16:42:30 +0900 | [diff] [blame] | 785 | select ARCH_HAS_HOLES_MEMORYMODEL |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 786 | select ARCH_SPARSEMEM_ENABLE |
Thomas Abraham | b2a9dd4 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 787 | select CLKDEV_LOOKUP |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 788 | select CLKSRC_SAMSUNG_PWM |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 789 | select CPU_V7 |
Sangbeom Kim | 9e65bbf | 2011-03-12 08:05:19 +0900 | [diff] [blame] | 790 | select GENERIC_CLOCKEVENTS |
Tomasz Figa | 880cf07 | 2013-06-19 01:22:20 +0900 | [diff] [blame] | 791 | select GPIO_SAMSUNG |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 792 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 793 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 794 | select HAVE_S3C_RTC if RTC_CLASS |
Rob Herring | 0146422 | 2012-08-28 13:06:41 -0500 | [diff] [blame] | 795 | select NEED_MACH_GPIO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 796 | select NEED_MACH_MEMORY_H |
Tomasz Figa | cd8dc7a | 2013-06-15 09:01:49 +0900 | [diff] [blame] | 797 | select SAMSUNG_ATAGS |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 798 | help |
| 799 | Samsung S5PV210/S5PC110 series based systems |
| 800 | |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 801 | config ARCH_EXYNOS |
Russell King | 93e2256 | 2012-10-12 14:20:52 +0100 | [diff] [blame] | 802 | bool "Samsung EXYNOS" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 803 | select ARCH_HAS_CPUFREQ |
Kamil Debski | 0f75a96 | 2011-07-21 16:42:30 +0900 | [diff] [blame] | 804 | select ARCH_HAS_HOLES_MEMORYMODEL |
Tomasz Figa | e245f96 | 2013-06-19 01:26:42 +0900 | [diff] [blame] | 805 | select ARCH_REQUIRE_GPIOLIB |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 806 | select ARCH_SPARSEMEM_ENABLE |
Tomasz Figa | e245f96 | 2013-06-19 01:26:42 +0900 | [diff] [blame] | 807 | select ARM_GIC |
Olof Johansson | 340fcb5 | 2013-04-26 11:47:45 -0700 | [diff] [blame] | 808 | select COMMON_CLK |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 809 | select CPU_V7 |
| 810 | select GENERIC_CLOCKEVENTS |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 811 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 812 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 813 | select HAVE_S3C_RTC if RTC_CLASS |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 814 | select NEED_MACH_MEMORY_H |
Tomasz Figa | 6e726ea | 2013-06-15 09:28:55 +0900 | [diff] [blame] | 815 | select SPARSE_IRQ |
Tomasz Figa | f8b1ac0 | 2013-06-15 09:01:11 +0900 | [diff] [blame] | 816 | select USE_OF |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 817 | help |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 818 | Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5) |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 819 | |
Kevin Hilman | 7c6337e | 2007-04-30 19:37:19 +0100 | [diff] [blame] | 820 | config ARCH_DAVINCI |
| 821 | bool "TI DaVinci" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 822 | select ARCH_HAS_HOLES_MEMORYMODEL |
David Brownell | dce1115 | 2008-09-07 23:41:04 -0700 | [diff] [blame] | 823 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 824 | select CLKDEV_LOOKUP |
David Brownell | 20e9969 | 2009-05-07 09:31:42 -0700 | [diff] [blame] | 825 | select GENERIC_ALLOCATOR |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 826 | select GENERIC_CLOCKEVENTS |
Russell King | dc7ad3b | 2011-05-22 10:01:21 +0100 | [diff] [blame] | 827 | select GENERIC_IRQ_CHIP |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 828 | select HAVE_IDE |
Matt Porter | 3ad7a42 | 2013-03-06 11:15:31 -0500 | [diff] [blame] | 829 | select TI_PRIV_EDMA |
Sekhar Nori | 689e331 | 2012-08-28 15:27:52 +0530 | [diff] [blame] | 830 | select USE_OF |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 831 | select ZONE_DMA |
Kevin Hilman | 7c6337e | 2007-04-30 19:37:19 +0100 | [diff] [blame] | 832 | help |
| 833 | Support for TI's DaVinci platform. |
| 834 | |
Tony Lindgren | a069486 | 2013-01-11 11:24:20 -0800 | [diff] [blame] | 835 | config ARCH_OMAP1 |
| 836 | bool "TI OMAP1" |
Arnd Bergmann | 00a3669 | 2012-06-07 18:50:51 -0600 | [diff] [blame] | 837 | depends on MMU |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 838 | select ARCH_HAS_CPUFREQ |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 839 | select ARCH_HAS_HOLES_MEMORYMODEL |
Tony Lindgren | a069486 | 2013-01-11 11:24:20 -0800 | [diff] [blame] | 840 | select ARCH_OMAP |
Alexey Charkov | 21f47fb | 2010-12-23 13:11:21 +0100 | [diff] [blame] | 841 | select ARCH_REQUIRE_GPIOLIB |
Tony Prisk | e9a91de | 2012-08-03 21:00:06 +1200 | [diff] [blame] | 842 | select CLKDEV_LOOKUP |
viresh kumar | cee37e5 | 2010-04-01 12:31:05 +0100 | [diff] [blame] | 843 | select CLKSRC_MMIO |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 844 | select GENERIC_CLOCKEVENTS |
Tony Lindgren | a069486 | 2013-01-11 11:24:20 -0800 | [diff] [blame] | 845 | select GENERIC_IRQ_CHIP |
Tony Lindgren | a069486 | 2013-01-11 11:24:20 -0800 | [diff] [blame] | 846 | select HAVE_IDE |
| 847 | select IRQ_DOMAIN |
| 848 | select NEED_MACH_IO_H if PCCARD |
| 849 | select NEED_MACH_MEMORY_H |
Alexey Charkov | 21f47fb | 2010-12-23 13:11:21 +0100 | [diff] [blame] | 850 | help |
Tony Lindgren | a069486 | 2013-01-11 11:24:20 -0800 | [diff] [blame] | 851 | Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 852 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 853 | endchoice |
| 854 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 855 | menu "Multiple platform selection" |
| 856 | depends on ARCH_MULTIPLATFORM |
| 857 | |
| 858 | comment "CPU Core family selection" |
| 859 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 860 | config ARCH_MULTI_V4T |
| 861 | bool "ARMv4T based platforms (ARM720T, ARM920T, ...)" |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 862 | depends on !ARCH_MULTI_V6_V7 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 863 | select ARCH_MULTI_V4_V5 |
Arnd Bergmann | 24e860f | 2013-06-03 15:38:58 +0200 | [diff] [blame] | 864 | select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \ |
| 865 | CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \ |
| 866 | CPU_ARM925T || CPU_ARM940T) |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 867 | |
| 868 | config ARCH_MULTI_V5 |
| 869 | bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)" |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 870 | depends on !ARCH_MULTI_V6_V7 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 871 | select ARCH_MULTI_V4_V5 |
Arnd Bergmann | 24e860f | 2013-06-03 15:38:58 +0200 | [diff] [blame] | 872 | select CPU_ARM926T if (!CPU_ARM946E || CPU_ARM1020 || \ |
| 873 | CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \ |
| 874 | CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON) |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 875 | |
| 876 | config ARCH_MULTI_V4_V5 |
| 877 | bool |
| 878 | |
| 879 | config ARCH_MULTI_V6 |
Stephen Boyd | 8dda05c | 2013-03-04 15:19:19 -0800 | [diff] [blame] | 880 | bool "ARMv6 based platforms (ARM11)" |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 881 | select ARCH_MULTI_V6_V7 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 882 | select CPU_V6 |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 883 | |
| 884 | config ARCH_MULTI_V7 |
Stephen Boyd | 8dda05c | 2013-03-04 15:19:19 -0800 | [diff] [blame] | 885 | bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)" |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 886 | default y |
| 887 | select ARCH_MULTI_V6_V7 |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 888 | select CPU_V7 |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 889 | |
| 890 | config ARCH_MULTI_V6_V7 |
| 891 | bool |
| 892 | |
| 893 | config ARCH_MULTI_CPU_AUTO |
| 894 | def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7) |
| 895 | select ARCH_MULTI_V5 |
| 896 | |
| 897 | endmenu |
| 898 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 899 | # |
| 900 | # This is sorted alphabetically by mach-* pathname. However, plat-* |
| 901 | # Kconfigs may be included either alphabetically (according to the |
| 902 | # plat- suffix) or along side the corresponding mach-* source. |
| 903 | # |
Gregory CLEMENT | 3e93a22 | 2012-06-04 18:38:56 +0200 | [diff] [blame] | 904 | source "arch/arm/mach-mvebu/Kconfig" |
| 905 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 906 | source "arch/arm/mach-at91/Kconfig" |
| 907 | |
Christian Daudt | 8ac49e0 | 2012-11-19 09:46:10 -0800 | [diff] [blame] | 908 | source "arch/arm/mach-bcm/Kconfig" |
| 909 | |
Stephen Warren | f1ac922 | 2013-03-11 22:40:18 -0600 | [diff] [blame] | 910 | source "arch/arm/mach-bcm2835/Kconfig" |
| 911 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | source "arch/arm/mach-clps711x/Kconfig" |
| 913 | |
Anton Vorontsov | d94f944 | 2010-03-25 17:12:41 +0300 | [diff] [blame] | 914 | source "arch/arm/mach-cns3xxx/Kconfig" |
| 915 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 916 | source "arch/arm/mach-davinci/Kconfig" |
| 917 | |
| 918 | source "arch/arm/mach-dove/Kconfig" |
| 919 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 920 | source "arch/arm/mach-ep93xx/Kconfig" |
| 921 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | source "arch/arm/mach-footbridge/Kconfig" |
| 923 | |
Paulius Zaleckas | 59d3a19 | 2009-03-26 10:06:08 +0200 | [diff] [blame] | 924 | source "arch/arm/mach-gemini/Kconfig" |
| 925 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 926 | source "arch/arm/mach-highbank/Kconfig" |
| 927 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | source "arch/arm/mach-integrator/Kconfig" |
| 929 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 930 | source "arch/arm/mach-iop32x/Kconfig" |
| 931 | |
| 932 | source "arch/arm/mach-iop33x/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | |
Dan Williams | 285f5fa | 2006-12-07 02:59:39 +0100 | [diff] [blame] | 934 | source "arch/arm/mach-iop13xx/Kconfig" |
| 935 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | source "arch/arm/mach-ixp4xx/Kconfig" |
| 937 | |
Santosh Shilimkar | 828989a | 2013-06-10 11:27:13 -0400 | [diff] [blame] | 938 | source "arch/arm/mach-keystone/Kconfig" |
| 939 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 940 | source "arch/arm/mach-kirkwood/Kconfig" |
| 941 | |
| 942 | source "arch/arm/mach-ks8695/Kconfig" |
| 943 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 944 | source "arch/arm/mach-msm/Kconfig" |
| 945 | |
Stanislav Samsonov | 794d15b | 2008-06-22 22:45:10 +0200 | [diff] [blame] | 946 | source "arch/arm/mach-mv78xx0/Kconfig" |
| 947 | |
Shawn Guo | 3995eb8 | 2012-09-13 19:48:07 +0800 | [diff] [blame] | 948 | source "arch/arm/mach-imx/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | |
Shawn Guo | 1d3f33d | 2010-12-13 20:55:03 +0800 | [diff] [blame] | 950 | source "arch/arm/mach-mxs/Kconfig" |
| 951 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 952 | source "arch/arm/mach-netx/Kconfig" |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 953 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 954 | source "arch/arm/mach-nomadik/Kconfig" |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 955 | |
Daniel Tang | 9851ca5 | 2013-06-11 18:40:17 +1000 | [diff] [blame] | 956 | source "arch/arm/mach-nspire/Kconfig" |
| 957 | |
Tony Lindgren | d48af15 | 2005-07-10 19:58:17 +0100 | [diff] [blame] | 958 | source "arch/arm/plat-omap/Kconfig" |
| 959 | |
| 960 | source "arch/arm/mach-omap1/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 962 | source "arch/arm/mach-omap2/Kconfig" |
| 963 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 964 | source "arch/arm/mach-orion5x/Kconfig" |
Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 965 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 966 | source "arch/arm/mach-picoxcell/Kconfig" |
| 967 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 968 | source "arch/arm/mach-pxa/Kconfig" |
| 969 | source "arch/arm/plat-pxa/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 971 | source "arch/arm/mach-mmp/Kconfig" |
| 972 | |
| 973 | source "arch/arm/mach-realview/Kconfig" |
| 974 | |
Heiko Stuebner | d63dc05 | 2013-06-02 23:09:41 +0200 | [diff] [blame] | 975 | source "arch/arm/mach-rockchip/Kconfig" |
| 976 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 977 | source "arch/arm/mach-sa1100/Kconfig" |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 978 | |
Ben Dooks | cf38367 | 2009-11-10 00:14:58 +0000 | [diff] [blame] | 979 | source "arch/arm/plat-samsung/Kconfig" |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 980 | |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 981 | source "arch/arm/mach-socfpga/Kconfig" |
| 982 | |
Arnd Bergmann | a7ed099 | 2012-12-02 15:12:47 +0100 | [diff] [blame] | 983 | source "arch/arm/mach-spear/Kconfig" |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 984 | |
Srinivas Kandagatla | 65ebcc1 | 2013-06-25 12:15:10 +0100 | [diff] [blame] | 985 | source "arch/arm/mach-sti/Kconfig" |
| 986 | |
Kukjin Kim | 85fd6d6 | 2012-02-06 09:38:19 +0900 | [diff] [blame] | 987 | source "arch/arm/mach-s3c24xx/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | |
Ben Dooks | 431107e | 2010-01-26 10:11:04 +0900 | [diff] [blame] | 989 | source "arch/arm/mach-s3c64xx/Kconfig" |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 990 | |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 991 | source "arch/arm/mach-s5p64x0/Kconfig" |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 992 | |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 993 | source "arch/arm/mach-s5pc100/Kconfig" |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 994 | |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 995 | source "arch/arm/mach-s5pv210/Kconfig" |
| 996 | |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 997 | source "arch/arm/mach-exynos/Kconfig" |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 998 | |
Russell King | 882d01f | 2010-03-02 23:40:15 +0000 | [diff] [blame] | 999 | source "arch/arm/mach-shmobile/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
Maxime Ripard | 3b52634 | 2012-11-08 12:40:16 +0100 | [diff] [blame] | 1001 | source "arch/arm/mach-sunxi/Kconfig" |
| 1002 | |
Barry Song | 156a099 | 2012-08-23 13:41:58 +0800 | [diff] [blame] | 1003 | source "arch/arm/mach-prima2/Kconfig" |
| 1004 | |
Erik Gilling | c5f8006 | 2010-01-21 16:53:02 -0800 | [diff] [blame] | 1005 | source "arch/arm/mach-tegra/Kconfig" |
| 1006 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1007 | source "arch/arm/mach-u300/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1009 | source "arch/arm/mach-ux500/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | |
| 1011 | source "arch/arm/mach-versatile/Kconfig" |
| 1012 | |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 1013 | source "arch/arm/mach-vexpress/Kconfig" |
Russell King | 420c34e | 2011-01-18 20:08:06 +0000 | [diff] [blame] | 1014 | source "arch/arm/plat-versatile/Kconfig" |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 1015 | |
Marc Zyngier | 2a0ba73 | 2012-10-05 13:47:39 +0100 | [diff] [blame] | 1016 | source "arch/arm/mach-virt/Kconfig" |
| 1017 | |
Tony Prisk | 6f35f9a | 2012-10-11 20:13:09 +1300 | [diff] [blame] | 1018 | source "arch/arm/mach-vt8500/Kconfig" |
| 1019 | |
wanzongshun | 7ec80dd | 2008-12-03 03:55:38 +0100 | [diff] [blame] | 1020 | source "arch/arm/mach-w90x900/Kconfig" |
| 1021 | |
Josh Cartwright | 9a45eb6 | 2012-11-19 11:38:29 -0600 | [diff] [blame] | 1022 | source "arch/arm/mach-zynq/Kconfig" |
| 1023 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | # Definitions to make life easier |
| 1025 | config ARCH_ACORN |
| 1026 | bool |
| 1027 | |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 1028 | config PLAT_IOP |
| 1029 | bool |
Mikael Pettersson | 469d3044 | 2009-10-29 11:46:54 -0700 | [diff] [blame] | 1030 | select GENERIC_CLOCKEVENTS |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 1031 | |
Lennert Buytenhek | 69b02f6 | 2008-03-27 14:51:39 -0400 | [diff] [blame] | 1032 | config PLAT_ORION |
| 1033 | bool |
Russell King | bfe45e0 | 2011-05-08 15:33:30 +0100 | [diff] [blame] | 1034 | select CLKSRC_MMIO |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 1035 | select COMMON_CLK |
Russell King | dc7ad3b | 2011-05-22 10:01:21 +0100 | [diff] [blame] | 1036 | select GENERIC_IRQ_CHIP |
Andrew Lunn | 278b45b | 2012-06-27 13:40:04 +0200 | [diff] [blame] | 1037 | select IRQ_DOMAIN |
Lennert Buytenhek | 69b02f6 | 2008-03-27 14:51:39 -0400 | [diff] [blame] | 1038 | |
Thomas Petazzoni | abcda1d | 2012-09-11 14:27:27 +0200 | [diff] [blame] | 1039 | config PLAT_ORION_LEGACY |
| 1040 | bool |
| 1041 | select PLAT_ORION |
| 1042 | |
Eric Miao | bd5ce43 | 2009-01-20 12:06:01 +0800 | [diff] [blame] | 1043 | config PLAT_PXA |
| 1044 | bool |
| 1045 | |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 1046 | config PLAT_VERSATILE |
| 1047 | bool |
| 1048 | |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 1049 | config ARM_TIMER_SP804 |
| 1050 | bool |
Russell King | bfe45e0 | 2011-05-08 15:33:30 +0100 | [diff] [blame] | 1051 | select CLKSRC_MMIO |
Rob Herring | 7a0eca7 | 2013-03-25 11:23:52 -0500 | [diff] [blame] | 1052 | select CLKSRC_OF if OF |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 1053 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1054 | source arch/arm/mm/Kconfig |
| 1055 | |
Russell King | 958cab0 | 2011-12-11 10:04:00 +0000 | [diff] [blame] | 1056 | config ARM_NR_BANKS |
| 1057 | int |
| 1058 | default 16 if ARCH_EP93XX |
| 1059 | default 8 |
| 1060 | |
Lennert Buytenhek | afe4b25 | 2006-12-03 18:51:14 +0100 | [diff] [blame] | 1061 | config IWMMXT |
Russell King | 698613b | 2013-04-03 16:33:26 +0100 | [diff] [blame] | 1062 | bool "Enable iWMMXt support" if !CPU_PJ4 |
Haojian Zhuang | ef6c844 | 2010-11-24 11:54:25 +0800 | [diff] [blame] | 1063 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 |
Russell King | 698613b | 2013-04-03 16:33:26 +0100 | [diff] [blame] | 1064 | default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 |
Lennert Buytenhek | afe4b25 | 2006-12-03 18:51:14 +0100 | [diff] [blame] | 1065 | help |
| 1066 | Enable support for iWMMXt context switching at run time if |
| 1067 | running on a CPU that supports it. |
| 1068 | |
eric miao | 5210864 | 2010-12-13 09:42:34 +0100 | [diff] [blame] | 1069 | config MULTI_IRQ_HANDLER |
| 1070 | bool |
| 1071 | help |
| 1072 | Allow each machine to specify it's own IRQ handler at run time. |
| 1073 | |
Hyok S. Choi | 3b93e7b | 2006-06-22 11:48:56 +0100 | [diff] [blame] | 1074 | if !MMU |
| 1075 | source "arch/arm/Kconfig-nommu" |
| 1076 | endif |
| 1077 | |
Gregory CLEMENT | 3e0a07f | 2013-06-23 10:17:11 +0100 | [diff] [blame] | 1078 | config PJ4B_ERRATA_4742 |
| 1079 | bool "PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation" |
| 1080 | depends on CPU_PJ4B && MACH_ARMADA_370 |
| 1081 | default y |
| 1082 | help |
| 1083 | When coming out of either a Wait for Interrupt (WFI) or a Wait for |
| 1084 | Event (WFE) IDLE states, a specific timing sensitivity exists between |
| 1085 | the retiring WFI/WFE instructions and the newly issued subsequent |
| 1086 | instructions. This sensitivity can result in a CPU hang scenario. |
| 1087 | Workaround: |
| 1088 | The software must insert either a Data Synchronization Barrier (DSB) |
| 1089 | or Data Memory Barrier (DMB) command immediately after the WFI/WFE |
| 1090 | instruction |
| 1091 | |
Will Deacon | f0c4b8d | 2012-04-20 17:20:08 +0100 | [diff] [blame] | 1092 | config ARM_ERRATA_326103 |
| 1093 | bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory" |
| 1094 | depends on CPU_V6 |
| 1095 | help |
| 1096 | Executing a SWP instruction to read-only memory does not set bit 11 |
| 1097 | of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to |
| 1098 | treat the access as a read, preventing a COW from occurring and |
| 1099 | causing the faulting task to livelock. |
| 1100 | |
Catalin Marinas | 9cba3cc | 2009-04-30 17:06:03 +0100 | [diff] [blame] | 1101 | config ARM_ERRATA_411920 |
| 1102 | bool "ARM errata: Invalidation of the Instruction Cache operation can fail" |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 1103 | depends on CPU_V6 || CPU_V6K |
Catalin Marinas | 9cba3cc | 2009-04-30 17:06:03 +0100 | [diff] [blame] | 1104 | help |
| 1105 | Invalidation of the Instruction Cache operation can |
| 1106 | fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. |
| 1107 | It does not affect the MPCore. This option enables the ARM Ltd. |
| 1108 | recommended workaround. |
| 1109 | |
Catalin Marinas | 7ce236f | 2009-04-30 17:06:09 +0100 | [diff] [blame] | 1110 | config ARM_ERRATA_430973 |
| 1111 | bool "ARM errata: Stale prediction on replaced interworking branch" |
| 1112 | depends on CPU_V7 |
| 1113 | help |
| 1114 | This option enables the workaround for the 430973 Cortex-A8 |
| 1115 | (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb |
| 1116 | interworking branch is replaced with another code sequence at the |
| 1117 | same virtual address, whether due to self-modifying code or virtual |
| 1118 | to physical address re-mapping, Cortex-A8 does not recover from the |
| 1119 | stale interworking branch prediction. This results in Cortex-A8 |
| 1120 | executing the new code sequence in the incorrect ARM or Thumb state. |
| 1121 | The workaround enables the BTB/BTAC operations by setting ACTLR.IBE |
| 1122 | and also flushes the branch target cache at every context switch. |
| 1123 | Note that setting specific bits in the ACTLR register may not be |
| 1124 | available in non-secure mode. |
| 1125 | |
Catalin Marinas | 855c551 | 2009-04-30 17:06:15 +0100 | [diff] [blame] | 1126 | config ARM_ERRATA_458693 |
| 1127 | bool "ARM errata: Processor deadlock when a false hazard is created" |
| 1128 | depends on CPU_V7 |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1129 | depends on !ARCH_MULTIPLATFORM |
Catalin Marinas | 855c551 | 2009-04-30 17:06:15 +0100 | [diff] [blame] | 1130 | help |
| 1131 | This option enables the workaround for the 458693 Cortex-A8 (r2p0) |
| 1132 | erratum. For very specific sequences of memory operations, it is |
| 1133 | possible for a hazard condition intended for a cache line to instead |
| 1134 | be incorrectly associated with a different cache line. This false |
| 1135 | hazard might then cause a processor deadlock. The workaround enables |
| 1136 | the L1 caching of the NEON accesses and disables the PLD instruction |
| 1137 | in the ACTLR register. Note that setting specific bits in the ACTLR |
| 1138 | register may not be available in non-secure mode. |
| 1139 | |
Catalin Marinas | 0516e46 | 2009-04-30 17:06:20 +0100 | [diff] [blame] | 1140 | config ARM_ERRATA_460075 |
| 1141 | bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" |
| 1142 | depends on CPU_V7 |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1143 | depends on !ARCH_MULTIPLATFORM |
Catalin Marinas | 0516e46 | 2009-04-30 17:06:20 +0100 | [diff] [blame] | 1144 | help |
| 1145 | This option enables the workaround for the 460075 Cortex-A8 (r2p0) |
| 1146 | erratum. Any asynchronous access to the L2 cache may encounter a |
| 1147 | situation in which recent store transactions to the L2 cache are lost |
| 1148 | and overwritten with stale memory contents from external memory. The |
| 1149 | workaround disables the write-allocate mode for the L2 cache via the |
| 1150 | ACTLR register. Note that setting specific bits in the ACTLR register |
| 1151 | may not be available in non-secure mode. |
| 1152 | |
Will Deacon | 9f05027 | 2010-09-14 09:51:43 +0100 | [diff] [blame] | 1153 | config ARM_ERRATA_742230 |
| 1154 | bool "ARM errata: DMB operation may be faulty" |
| 1155 | depends on CPU_V7 && SMP |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1156 | depends on !ARCH_MULTIPLATFORM |
Will Deacon | 9f05027 | 2010-09-14 09:51:43 +0100 | [diff] [blame] | 1157 | help |
| 1158 | This option enables the workaround for the 742230 Cortex-A9 |
| 1159 | (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction |
| 1160 | between two write operations may not ensure the correct visibility |
| 1161 | ordering of the two writes. This workaround sets a specific bit in |
| 1162 | the diagnostic register of the Cortex-A9 which causes the DMB |
| 1163 | instruction to behave as a DSB, ensuring the correct behaviour of |
| 1164 | the two writes. |
| 1165 | |
Will Deacon | a672e99 | 2010-09-14 09:53:02 +0100 | [diff] [blame] | 1166 | config ARM_ERRATA_742231 |
| 1167 | bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" |
| 1168 | depends on CPU_V7 && SMP |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1169 | depends on !ARCH_MULTIPLATFORM |
Will Deacon | a672e99 | 2010-09-14 09:53:02 +0100 | [diff] [blame] | 1170 | help |
| 1171 | This option enables the workaround for the 742231 Cortex-A9 |
| 1172 | (r2p0..r2p2) erratum. Under certain conditions, specific to the |
| 1173 | Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode, |
| 1174 | accessing some data located in the same cache line, may get corrupted |
| 1175 | data due to bad handling of the address hazard when the line gets |
| 1176 | replaced from one of the CPUs at the same time as another CPU is |
| 1177 | accessing it. This workaround sets specific bits in the diagnostic |
| 1178 | register of the Cortex-A9 which reduces the linefill issuing |
| 1179 | capabilities of the processor. |
| 1180 | |
Santosh Shilimkar | 9e65582 | 2010-02-04 19:42:42 +0100 | [diff] [blame] | 1181 | config PL310_ERRATA_588369 |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1182 | bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" |
Santosh Shilimkar | 2839e06 | 2011-03-08 06:59:54 +0100 | [diff] [blame] | 1183 | depends on CACHE_L2X0 |
Santosh Shilimkar | 9e65582 | 2010-02-04 19:42:42 +0100 | [diff] [blame] | 1184 | help |
| 1185 | The PL310 L2 cache controller implements three types of Clean & |
| 1186 | Invalidate maintenance operations: by Physical Address |
| 1187 | (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). |
| 1188 | They are architecturally defined to behave as the execution of a |
| 1189 | clean operation followed immediately by an invalidate operation, |
| 1190 | both performing to the same memory location. This functionality |
| 1191 | is not correctly implemented in PL310 as clean lines are not |
Santosh Shilimkar | 2839e06 | 2011-03-08 06:59:54 +0100 | [diff] [blame] | 1192 | invalidated as a result of these operations. |
Will Deacon | cdf357f | 2010-08-05 11:20:51 +0100 | [diff] [blame] | 1193 | |
Jon Medhurst | 6915579 | 2013-06-07 10:35:35 +0100 | [diff] [blame] | 1194 | config ARM_ERRATA_643719 |
| 1195 | bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" |
| 1196 | depends on CPU_V7 && SMP |
| 1197 | help |
| 1198 | This option enables the workaround for the 643719 Cortex-A9 (prior to |
| 1199 | r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR |
| 1200 | register returns zero when it should return one. The workaround |
| 1201 | corrects this value, ensuring cache maintenance operations which use |
| 1202 | it behave as intended and avoiding data corruption. |
| 1203 | |
Will Deacon | cdf357f | 2010-08-05 11:20:51 +0100 | [diff] [blame] | 1204 | config ARM_ERRATA_720789 |
| 1205 | bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID" |
Dave Martin | e66dc74 | 2011-12-08 13:37:46 +0100 | [diff] [blame] | 1206 | depends on CPU_V7 |
Will Deacon | cdf357f | 2010-08-05 11:20:51 +0100 | [diff] [blame] | 1207 | help |
| 1208 | This option enables the workaround for the 720789 Cortex-A9 (prior to |
| 1209 | r2p0) erratum. A faulty ASID can be sent to the other CPUs for the |
| 1210 | broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS. |
| 1211 | As a consequence of this erratum, some TLB entries which should be |
| 1212 | invalidated are not, resulting in an incoherency in the system page |
| 1213 | tables. The workaround changes the TLB flushing routines to invalidate |
| 1214 | entries regardless of the ASID. |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1215 | |
Russell King | 1f0090a | 2011-03-16 23:35:25 +0000 | [diff] [blame] | 1216 | config PL310_ERRATA_727915 |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1217 | bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" |
Russell King | 1f0090a | 2011-03-16 23:35:25 +0000 | [diff] [blame] | 1218 | depends on CACHE_L2X0 |
| 1219 | help |
| 1220 | PL310 implements the Clean & Invalidate by Way L2 cache maintenance |
| 1221 | operation (offset 0x7FC). This operation runs in background so that |
| 1222 | PL310 can handle normal accesses while it is in progress. Under very |
| 1223 | rare circumstances, due to this erratum, write data can be lost when |
| 1224 | PL310 treats a cacheable write transaction during a Clean & |
| 1225 | Invalidate by Way operation. |
| 1226 | |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1227 | config ARM_ERRATA_743622 |
| 1228 | bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" |
| 1229 | depends on CPU_V7 |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1230 | depends on !ARCH_MULTIPLATFORM |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1231 | help |
| 1232 | This option enables the workaround for the 743622 Cortex-A9 |
Will Deacon | efbc74a | 2012-02-24 12:12:38 +0100 | [diff] [blame] | 1233 | (r2p*) erratum. Under very rare conditions, a faulty |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1234 | optimisation in the Cortex-A9 Store Buffer may lead to data |
| 1235 | corruption. This workaround sets a specific bit in the diagnostic |
| 1236 | register of the Cortex-A9 which disables the Store Buffer |
| 1237 | optimisation, preventing the defect from occurring. This has no |
| 1238 | visible impact on the overall performance or power consumption of the |
| 1239 | processor. |
| 1240 | |
Will Deacon | 9a27c27 | 2011-02-18 16:36:35 +0100 | [diff] [blame] | 1241 | config ARM_ERRATA_751472 |
| 1242 | bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" |
Dave Martin | ba90c51 | 2011-12-08 13:41:06 +0100 | [diff] [blame] | 1243 | depends on CPU_V7 |
Rob Herring | 62e4d35 | 2012-12-21 22:42:40 +0100 | [diff] [blame] | 1244 | depends on !ARCH_MULTIPLATFORM |
Will Deacon | 9a27c27 | 2011-02-18 16:36:35 +0100 | [diff] [blame] | 1245 | help |
| 1246 | This option enables the workaround for the 751472 Cortex-A9 (prior |
| 1247 | to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the |
| 1248 | completion of a following broadcasted operation if the second |
| 1249 | operation is received by a CPU before the ICIALLUIS has completed, |
| 1250 | potentially leading to corrupted entries in the cache or TLB. |
| 1251 | |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1252 | config PL310_ERRATA_753970 |
| 1253 | bool "PL310 errata: cache sync operation may be faulty" |
Srinidhi Kasagar | 885028e | 2011-02-17 07:03:51 +0100 | [diff] [blame] | 1254 | depends on CACHE_PL310 |
| 1255 | help |
| 1256 | This option enables the workaround for the 753970 PL310 (r3p0) erratum. |
| 1257 | |
| 1258 | Under some condition the effect of cache sync operation on |
| 1259 | the store buffer still remains when the operation completes. |
| 1260 | This means that the store buffer is always asked to drain and |
| 1261 | this prevents it from merging any further writes. The workaround |
| 1262 | is to replace the normal offset of cache sync operation (0x730) |
| 1263 | by another offset targeting an unmapped PL310 register 0x740. |
| 1264 | This has the same effect as the cache sync operation: store buffer |
| 1265 | drain and waiting for all buffers empty. |
| 1266 | |
Will Deacon | fcbdc5fe | 2011-02-28 18:15:16 +0100 | [diff] [blame] | 1267 | config ARM_ERRATA_754322 |
| 1268 | bool "ARM errata: possible faulty MMU translations following an ASID switch" |
| 1269 | depends on CPU_V7 |
| 1270 | help |
| 1271 | This option enables the workaround for the 754322 Cortex-A9 (r2p*, |
| 1272 | r3p*) erratum. A speculative memory access may cause a page table walk |
| 1273 | which starts prior to an ASID switch but completes afterwards. This |
| 1274 | can populate the micro-TLB with a stale entry which may be hit with |
| 1275 | the new ASID. This workaround places two dsb instructions in the mm |
| 1276 | switching code so that no page table walks can cross the ASID switch. |
| 1277 | |
Will Deacon | 5dab26af | 2011-03-04 12:38:54 +0100 | [diff] [blame] | 1278 | config ARM_ERRATA_754327 |
| 1279 | bool "ARM errata: no automatic Store Buffer drain" |
| 1280 | depends on CPU_V7 && SMP |
| 1281 | help |
| 1282 | This option enables the workaround for the 754327 Cortex-A9 (prior to |
| 1283 | r2p0) erratum. The Store Buffer does not have any automatic draining |
| 1284 | mechanism and therefore a livelock may occur if an external agent |
| 1285 | continuously polls a memory location waiting to observe an update. |
| 1286 | This workaround defines cpu_relax() as smp_mb(), preventing correctly |
| 1287 | written polling loops from denying visibility of updates to memory. |
| 1288 | |
Catalin Marinas | 145e10e | 2011-08-15 11:04:41 +0100 | [diff] [blame] | 1289 | config ARM_ERRATA_364296 |
| 1290 | bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" |
Fabio Estevam | fd83247 | 2013-07-09 18:34:01 +0100 | [diff] [blame] | 1291 | depends on CPU_V6 |
Catalin Marinas | 145e10e | 2011-08-15 11:04:41 +0100 | [diff] [blame] | 1292 | help |
| 1293 | This options enables the workaround for the 364296 ARM1136 |
| 1294 | r0p2 erratum (possible cache data corruption with |
| 1295 | hit-under-miss enabled). It sets the undocumented bit 31 in |
| 1296 | the auxiliary control register and the FI bit in the control |
| 1297 | register, thus disabling hit-under-miss without putting the |
| 1298 | processor into full low interrupt latency mode. ARM11MPCore |
| 1299 | is not affected. |
| 1300 | |
Will Deacon | f630c1b | 2011-09-15 11:45:15 +0100 | [diff] [blame] | 1301 | config ARM_ERRATA_764369 |
| 1302 | bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" |
| 1303 | depends on CPU_V7 && SMP |
| 1304 | help |
| 1305 | This option enables the workaround for erratum 764369 |
| 1306 | affecting Cortex-A9 MPCore with two or more processors (all |
| 1307 | current revisions). Under certain timing circumstances, a data |
| 1308 | cache line maintenance operation by MVA targeting an Inner |
| 1309 | Shareable memory region may fail to proceed up to either the |
| 1310 | Point of Coherency or to the Point of Unification of the |
| 1311 | system. This workaround adds a DSB instruction before the |
| 1312 | relevant cache maintenance functions and sets a specific bit |
| 1313 | in the diagnostic control register of the SCU. |
| 1314 | |
Will Deacon | 11ed0ba | 2011-11-14 17:24:58 +0100 | [diff] [blame] | 1315 | config PL310_ERRATA_769419 |
| 1316 | bool "PL310 errata: no automatic Store Buffer drain" |
| 1317 | depends on CACHE_L2X0 |
| 1318 | help |
| 1319 | On revisions of the PL310 prior to r3p2, the Store Buffer does |
| 1320 | not automatically drain. This can cause normal, non-cacheable |
| 1321 | writes to be retained when the memory system is idle, leading |
| 1322 | to suboptimal I/O performance for drivers using coherent DMA. |
| 1323 | This option adds a write barrier to the cpu_idle loop so that, |
| 1324 | on systems with an outer cache, the store buffer is drained |
| 1325 | explicitly. |
| 1326 | |
Simon Horman | 7253b85 | 2012-09-28 02:12:45 +0100 | [diff] [blame] | 1327 | config ARM_ERRATA_775420 |
| 1328 | bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" |
| 1329 | depends on CPU_V7 |
| 1330 | help |
| 1331 | This option enables the workaround for the 775420 Cortex-A9 (r2p2, |
| 1332 | r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance |
| 1333 | operation aborts with MMU exception, it might cause the processor |
| 1334 | to deadlock. This workaround puts DSB before executing ISB if |
| 1335 | an abort may occur on cache maintenance. |
| 1336 | |
Catalin Marinas | 93dc688 | 2013-03-26 23:35:04 +0100 | [diff] [blame] | 1337 | config ARM_ERRATA_798181 |
| 1338 | bool "ARM errata: TLBI/DSB failure on Cortex-A15" |
| 1339 | depends on CPU_V7 && SMP |
| 1340 | help |
| 1341 | On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not |
| 1342 | adequately shooting down all use of the old entries. This |
| 1343 | option enables the Linux kernel workaround for this erratum |
| 1344 | which sends an IPI to the CPUs that are running the same ASID |
| 1345 | as the one being invalidated. |
| 1346 | |
Will Deacon | 84b6504 | 2013-08-20 17:29:55 +0100 | [diff] [blame] | 1347 | config ARM_ERRATA_773022 |
| 1348 | bool "ARM errata: incorrect instructions may be executed from loop buffer" |
| 1349 | depends on CPU_V7 |
| 1350 | help |
| 1351 | This option enables the workaround for the 773022 Cortex-A15 |
| 1352 | (up to r0p4) erratum. In certain rare sequences of code, the |
| 1353 | loop buffer may deliver incorrect instructions. This |
| 1354 | workaround disables the loop buffer to avoid the erratum. |
| 1355 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1356 | endmenu |
| 1357 | |
| 1358 | source "arch/arm/common/Kconfig" |
| 1359 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | menu "Bus support" |
| 1361 | |
| 1362 | config ARM_AMBA |
| 1363 | bool |
| 1364 | |
| 1365 | config ISA |
| 1366 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | help |
| 1368 | Find out whether you have ISA slots on your motherboard. ISA is the |
| 1369 | name of a bus system, i.e. the way the CPU talks to the other stuff |
| 1370 | inside your box. Other bus systems are PCI, EISA, MicroChannel |
| 1371 | (MCA) or VESA. ISA is an older system, now being displaced by PCI; |
| 1372 | newer boards don't support it. If you have ISA, say Y, otherwise N. |
| 1373 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1374 | # Select ISA DMA controller support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | config ISA_DMA |
| 1376 | bool |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1377 | select ISA_DMA_API |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1379 | # Select ISA DMA interface |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 1380 | config ISA_DMA_API |
| 1381 | bool |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 1382 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1383 | config PCI |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 1384 | bool "PCI support" if MIGHT_HAVE_PCI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1385 | help |
| 1386 | Find out whether you have a PCI motherboard. PCI is the name of a |
| 1387 | bus system, i.e. the way the CPU talks to the other stuff inside |
| 1388 | your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or |
| 1389 | VESA. If you have PCI, say Y, otherwise N. |
| 1390 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 1391 | config PCI_DOMAINS |
| 1392 | bool |
| 1393 | depends on PCI |
| 1394 | |
Marcelo Roberto Jimenez | b080ac8 | 2010-12-16 21:34:51 +0100 | [diff] [blame] | 1395 | config PCI_NANOENGINE |
| 1396 | bool "BSE nanoEngine PCI support" |
| 1397 | depends on SA1100_NANOENGINE |
| 1398 | help |
| 1399 | Enable PCI on the BSE nanoEngine board. |
| 1400 | |
Matthew Wilcox | 36e2359 | 2007-07-10 10:54:40 -0600 | [diff] [blame] | 1401 | config PCI_SYSCALL |
| 1402 | def_bool PCI |
| 1403 | |
Mike Rapoport | a0113a9 | 2007-11-25 08:55:34 +0100 | [diff] [blame] | 1404 | config PCI_HOST_ITE8152 |
| 1405 | bool |
| 1406 | depends on PCI && MACH_ARMCORE |
| 1407 | default y |
| 1408 | select DMABOUNCE |
| 1409 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1410 | source "drivers/pci/Kconfig" |
Jingoo Han | 3f06d15 | 2013-06-21 16:25:29 +0900 | [diff] [blame] | 1411 | source "drivers/pci/pcie/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1412 | |
| 1413 | source "drivers/pcmcia/Kconfig" |
| 1414 | |
| 1415 | endmenu |
| 1416 | |
| 1417 | menu "Kernel Features" |
| 1418 | |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 1419 | config HAVE_SMP |
| 1420 | bool |
| 1421 | help |
| 1422 | This option should be selected by machines which have an SMP- |
| 1423 | capable CPU. |
| 1424 | |
| 1425 | The only effect of this option is to make the SMP-related |
| 1426 | options available to the user for configuration. |
| 1427 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1428 | config SMP |
Russell King | bb2d813 | 2011-05-12 09:52:02 +0100 | [diff] [blame] | 1429 | bool "Symmetric Multi-Processing" |
Russell King | fbb4dda | 2011-01-17 18:01:58 +0000 | [diff] [blame] | 1430 | depends on CPU_V6K || CPU_V7 |
Russell King | bc28248 | 2009-05-17 18:58:34 +0100 | [diff] [blame] | 1431 | depends on GENERIC_CLOCKEVENTS |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 1432 | depends on HAVE_SMP |
Jonathan Austin | 801bb21 | 2013-02-22 18:56:04 +0000 | [diff] [blame] | 1433 | depends on MMU || ARM_MPU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | help |
| 1435 | This enables support for systems with more than one CPU. If you have |
| 1436 | a system with only one CPU, like most personal computers, say N. If |
| 1437 | you have a system with more than one CPU, say Y. |
| 1438 | |
| 1439 | If you say N here, the kernel will run on single and multiprocessor |
| 1440 | machines, but will use only one CPU of a multiprocessor machine. If |
| 1441 | you say Y here, the kernel will run on many, but not all, single |
| 1442 | processor machines. On a single processor machine, the kernel will |
| 1443 | run faster if you say N here. |
| 1444 | |
Paul Bolle | 395cf96 | 2011-08-15 02:02:26 +0200 | [diff] [blame] | 1445 | See also <file:Documentation/x86/i386/IO-APIC.txt>, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1446 | <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at |
Justin P. Mattock | 50a23e6 | 2010-10-16 10:36:23 -0700 | [diff] [blame] | 1447 | <http://tldp.org/HOWTO/SMP-HOWTO.html>. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | |
| 1449 | If you don't know what to do here, say N. |
| 1450 | |
Russell King | f00ec48 | 2010-09-04 10:47:48 +0100 | [diff] [blame] | 1451 | config SMP_ON_UP |
| 1452 | bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" |
Jonathan Austin | 801bb21 | 2013-02-22 18:56:04 +0000 | [diff] [blame] | 1453 | depends on SMP && !XIP_KERNEL && MMU |
Russell King | f00ec48 | 2010-09-04 10:47:48 +0100 | [diff] [blame] | 1454 | default y |
| 1455 | help |
| 1456 | SMP kernels contain instructions which fail on non-SMP processors. |
| 1457 | Enabling this option allows the kernel to modify itself to make |
| 1458 | these instructions safe. Disabling it allows about 1K of space |
| 1459 | savings. |
| 1460 | |
| 1461 | If you don't know what to do here, say Y. |
| 1462 | |
Vincent Guittot | c9018aa | 2011-08-08 13:21:59 +0100 | [diff] [blame] | 1463 | config ARM_CPU_TOPOLOGY |
| 1464 | bool "Support cpu topology definition" |
| 1465 | depends on SMP && CPU_V7 |
| 1466 | default y |
| 1467 | help |
| 1468 | Support ARM cpu topology definition. The MPIDR register defines |
| 1469 | affinity between processors which is then used to describe the cpu |
| 1470 | topology of an ARM System. |
| 1471 | |
| 1472 | config SCHED_MC |
| 1473 | bool "Multi-core scheduler support" |
| 1474 | depends on ARM_CPU_TOPOLOGY |
| 1475 | help |
| 1476 | Multi-core scheduler support improves the CPU scheduler's decision |
| 1477 | making when dealing with multi-core CPU chips at a cost of slightly |
| 1478 | increased overhead in some places. If unsure say N here. |
| 1479 | |
| 1480 | config SCHED_SMT |
| 1481 | bool "SMT scheduler support" |
| 1482 | depends on ARM_CPU_TOPOLOGY |
| 1483 | help |
| 1484 | Improves the CPU scheduler's decision making when dealing with |
| 1485 | MultiThreading at a cost of slightly increased overhead in some |
| 1486 | places. If unsure say N here. |
| 1487 | |
Russell King | a8cbcd9 | 2009-05-16 11:51:14 +0100 | [diff] [blame] | 1488 | config HAVE_ARM_SCU |
| 1489 | bool |
Russell King | a8cbcd9 | 2009-05-16 11:51:14 +0100 | [diff] [blame] | 1490 | help |
| 1491 | This option enables support for the ARM system coherency unit |
| 1492 | |
Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 1493 | config HAVE_ARM_ARCH_TIMER |
Marc Zyngier | 022c03a | 2012-01-11 17:25:17 +0000 | [diff] [blame] | 1494 | bool "Architected timer support" |
| 1495 | depends on CPU_V7 |
Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 1496 | select ARM_ARCH_TIMER |
Will Deacon | 0c403462 | 2013-11-19 15:46:17 +0100 | [diff] [blame] | 1497 | select GENERIC_CLOCKEVENTS |
Marc Zyngier | 022c03a | 2012-01-11 17:25:17 +0000 | [diff] [blame] | 1498 | help |
| 1499 | This option enables support for the ARM architected timer |
| 1500 | |
Russell King | f32f4ce | 2009-05-16 12:14:21 +0100 | [diff] [blame] | 1501 | config HAVE_ARM_TWD |
| 1502 | bool |
| 1503 | depends on SMP |
Rob Herring | da4a686 | 2013-02-06 21:17:47 -0600 | [diff] [blame] | 1504 | select CLKSRC_OF if OF |
Russell King | f32f4ce | 2009-05-16 12:14:21 +0100 | [diff] [blame] | 1505 | help |
| 1506 | This options enables support for the ARM timer and watchdog unit |
| 1507 | |
Nicolas Pitre | e8db288 | 2012-04-12 02:45:22 -0400 | [diff] [blame] | 1508 | config MCPM |
| 1509 | bool "Multi-Cluster Power Management" |
| 1510 | depends on CPU_V7 && SMP |
| 1511 | help |
| 1512 | This option provides the common power management infrastructure |
| 1513 | for (multi-)cluster based systems, such as big.LITTLE based |
| 1514 | systems. |
| 1515 | |
Nicolas Pitre | 1c33be5 | 2012-04-12 02:56:10 -0400 | [diff] [blame] | 1516 | config BIG_LITTLE |
| 1517 | bool "big.LITTLE support (Experimental)" |
| 1518 | depends on CPU_V7 && SMP |
| 1519 | select MCPM |
| 1520 | help |
| 1521 | This option enables support selections for the big.LITTLE |
| 1522 | system architecture. |
| 1523 | |
| 1524 | config BL_SWITCHER |
| 1525 | bool "big.LITTLE switcher support" |
| 1526 | depends on BIG_LITTLE && MCPM && HOTPLUG_CPU |
| 1527 | select CPU_PM |
| 1528 | select ARM_CPU_SUSPEND |
| 1529 | help |
| 1530 | The big.LITTLE "switcher" provides the core functionality to |
| 1531 | transparently handle transition between a cluster of A15's |
| 1532 | and a cluster of A7's in a big.LITTLE system. |
| 1533 | |
Nicolas Pitre | b22537c | 2012-04-12 03:04:28 -0400 | [diff] [blame] | 1534 | config BL_SWITCHER_DUMMY_IF |
| 1535 | tristate "Simple big.LITTLE switcher user interface" |
| 1536 | depends on BL_SWITCHER && DEBUG_KERNEL |
| 1537 | help |
| 1538 | This is a simple and dummy char dev interface to control |
| 1539 | the big.LITTLE switcher core code. It is meant for |
| 1540 | debugging purposes only. |
| 1541 | |
Lennert Buytenhek | 8d5796d | 2008-08-25 21:03:32 +0100 | [diff] [blame] | 1542 | choice |
| 1543 | prompt "Memory split" |
| 1544 | default VMSPLIT_3G |
| 1545 | help |
| 1546 | Select the desired split between kernel and user memory. |
| 1547 | |
| 1548 | If you are not absolutely sure what you are doing, leave this |
| 1549 | option alone! |
| 1550 | |
| 1551 | config VMSPLIT_3G |
| 1552 | bool "3G/1G user/kernel split" |
| 1553 | config VMSPLIT_2G |
| 1554 | bool "2G/2G user/kernel split" |
| 1555 | config VMSPLIT_1G |
| 1556 | bool "1G/3G user/kernel split" |
| 1557 | endchoice |
| 1558 | |
| 1559 | config PAGE_OFFSET |
| 1560 | hex |
| 1561 | default 0x40000000 if VMSPLIT_1G |
| 1562 | default 0x80000000 if VMSPLIT_2G |
| 1563 | default 0xC0000000 |
| 1564 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | config NR_CPUS |
| 1566 | int "Maximum number of CPUs (2-32)" |
| 1567 | range 2 32 |
| 1568 | depends on SMP |
| 1569 | default "4" |
| 1570 | |
Russell King | a054a81 | 2005-11-02 22:24:33 +0000 | [diff] [blame] | 1571 | config HOTPLUG_CPU |
Russell King | 00b7ded | 2012-10-22 22:54:30 +0100 | [diff] [blame] | 1572 | bool "Support for hot-pluggable CPUs" |
Stephen Rothwell | 40b3136 | 2013-05-21 13:49:35 +1000 | [diff] [blame] | 1573 | depends on SMP |
Russell King | a054a81 | 2005-11-02 22:24:33 +0000 | [diff] [blame] | 1574 | help |
| 1575 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 1576 | can be controlled through /sys/devices/system/cpu. |
| 1577 | |
Will Deacon | 2bdd424 | 2012-12-12 19:20:52 +0000 | [diff] [blame] | 1578 | config ARM_PSCI |
| 1579 | bool "Support for the ARM Power State Coordination Interface (PSCI)" |
| 1580 | depends on CPU_V7 |
| 1581 | help |
| 1582 | Say Y here if you want Linux to communicate with system firmware |
| 1583 | implementing the PSCI specification for CPU-centric power |
| 1584 | management operations described in ARM document number ARM DEN |
| 1585 | 0022A ("Power State Coordination Interface System Software on |
| 1586 | ARM processors"). |
| 1587 | |
Maxime Ripard | 2a6ad87 | 2013-02-03 12:24:48 +0100 | [diff] [blame] | 1588 | # The GPIO number here must be sorted by descending number. In case of |
| 1589 | # a multiplatform kernel, we just want the highest value required by the |
| 1590 | # selected platforms. |
Peter De Schrijver (NVIDIA) | 44986ab | 2011-12-21 10:48:45 +0100 | [diff] [blame] | 1591 | config ARCH_NR_GPIO |
| 1592 | int |
Peter De Schrijver (NVIDIA) | 3dea19e | 2011-12-21 15:14:52 +0100 | [diff] [blame] | 1593 | default 1024 if ARCH_SHMOBILE || ARCH_TEGRA |
Linus Walleij | 41c3548 | 2013-12-06 12:46:27 +0100 | [diff] [blame^] | 1594 | default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX |
Olof Johansson | 06b851e | 2013-04-02 18:33:58 -0700 | [diff] [blame] | 1595 | default 392 if ARCH_U8500 |
Tony Prisk | 01bb914 | 2013-03-09 18:22:30 +1300 | [diff] [blame] | 1596 | default 352 if ARCH_VT8500 |
| 1597 | default 288 if ARCH_SUNXI |
Maxime Ripard | 2a6ad87 | 2013-02-03 12:24:48 +0100 | [diff] [blame] | 1598 | default 264 if MACH_H4700 |
Peter De Schrijver (NVIDIA) | 44986ab | 2011-12-21 10:48:45 +0100 | [diff] [blame] | 1599 | default 0 |
| 1600 | help |
| 1601 | Maximum number of GPIOs in the system. |
| 1602 | |
| 1603 | If unsure, leave the default value. |
| 1604 | |
Uwe Kleine-König | d45a398 | 2009-08-13 20:38:17 +0200 | [diff] [blame] | 1605 | source kernel/Kconfig.preempt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1606 | |
Russell King | c9218b1 | 2013-04-27 23:31:10 +0100 | [diff] [blame] | 1607 | config HZ_FIXED |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 1608 | int |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 1609 | default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \ |
Kukjin Kim | a73ddc6 | 2011-05-11 16:27:51 +0900 | [diff] [blame] | 1610 | ARCH_S5PV210 || ARCH_EXYNOS4 |
David Brownell | 5248c65 | 2007-11-12 17:59:10 +0100 | [diff] [blame] | 1611 | default AT91_TIMER_HZ if ARCH_AT91 |
Magnus Damm | 5da3e71 | 2010-07-29 14:03:04 +0100 | [diff] [blame] | 1612 | default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE |
Russell King | 47d8468 | 2013-09-10 23:47:55 +0100 | [diff] [blame] | 1613 | default 0 |
Russell King | c9218b1 | 2013-04-27 23:31:10 +0100 | [diff] [blame] | 1614 | |
| 1615 | choice |
Russell King | 47d8468 | 2013-09-10 23:47:55 +0100 | [diff] [blame] | 1616 | depends on HZ_FIXED = 0 |
Russell King | c9218b1 | 2013-04-27 23:31:10 +0100 | [diff] [blame] | 1617 | prompt "Timer frequency" |
| 1618 | |
| 1619 | config HZ_100 |
| 1620 | bool "100 Hz" |
| 1621 | |
| 1622 | config HZ_200 |
| 1623 | bool "200 Hz" |
| 1624 | |
| 1625 | config HZ_250 |
| 1626 | bool "250 Hz" |
| 1627 | |
| 1628 | config HZ_300 |
| 1629 | bool "300 Hz" |
| 1630 | |
| 1631 | config HZ_500 |
| 1632 | bool "500 Hz" |
| 1633 | |
| 1634 | config HZ_1000 |
| 1635 | bool "1000 Hz" |
| 1636 | |
| 1637 | endchoice |
| 1638 | |
| 1639 | config HZ |
| 1640 | int |
Russell King | 47d8468 | 2013-09-10 23:47:55 +0100 | [diff] [blame] | 1641 | default HZ_FIXED if HZ_FIXED != 0 |
Russell King | c9218b1 | 2013-04-27 23:31:10 +0100 | [diff] [blame] | 1642 | default 100 if HZ_100 |
| 1643 | default 200 if HZ_200 |
| 1644 | default 250 if HZ_250 |
| 1645 | default 300 if HZ_300 |
| 1646 | default 500 if HZ_500 |
| 1647 | default 1000 |
| 1648 | |
| 1649 | config SCHED_HRTICK |
| 1650 | def_bool HIGH_RES_TIMERS |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 1651 | |
Russell King | b28748f | 2013-02-17 14:40:33 +0000 | [diff] [blame] | 1652 | config SCHED_HRTICK |
| 1653 | def_bool HIGH_RES_TIMERS |
| 1654 | |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1655 | config THUMB2_KERNEL |
Uwe Kleine-König | bc7dea0 | 2011-12-09 20:52:10 +0100 | [diff] [blame] | 1656 | bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY |
Uwe Kleine-König | 4477ca4 | 2013-03-21 21:02:37 +0100 | [diff] [blame] | 1657 | depends on (CPU_V7 || CPU_V7M) && !CPU_V6 && !CPU_V6K |
Uwe Kleine-König | bc7dea0 | 2011-12-09 20:52:10 +0100 | [diff] [blame] | 1658 | default y if CPU_THUMBONLY |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1659 | select AEABI |
| 1660 | select ARM_ASM_UNIFIED |
Arnd Bergmann | 89bace6 | 2011-06-10 14:12:21 +0000 | [diff] [blame] | 1661 | select ARM_UNWIND |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1662 | help |
| 1663 | By enabling this option, the kernel will be compiled in |
| 1664 | Thumb-2 mode. A compiler/assembler that understand the unified |
| 1665 | ARM-Thumb syntax is needed. |
| 1666 | |
| 1667 | If unsure, say N. |
| 1668 | |
Dave Martin | 6f685c5 | 2011-03-03 11:41:12 +0100 | [diff] [blame] | 1669 | config THUMB2_AVOID_R_ARM_THM_JUMP11 |
| 1670 | bool "Work around buggy Thumb-2 short branch relocations in gas" |
| 1671 | depends on THUMB2_KERNEL && MODULES |
| 1672 | default y |
| 1673 | help |
| 1674 | Various binutils versions can resolve Thumb-2 branches to |
| 1675 | locally-defined, preemptible global symbols as short-range "b.n" |
| 1676 | branch instructions. |
| 1677 | |
| 1678 | This is a problem, because there's no guarantee the final |
| 1679 | destination of the symbol, or any candidate locations for a |
| 1680 | trampoline, are within range of the branch. For this reason, the |
| 1681 | kernel does not support fixing up the R_ARM_THM_JUMP11 (102) |
| 1682 | relocation in modules at all, and it makes little sense to add |
| 1683 | support. |
| 1684 | |
| 1685 | The symptom is that the kernel fails with an "unsupported |
| 1686 | relocation" error when loading some modules. |
| 1687 | |
| 1688 | Until fixed tools are available, passing |
| 1689 | -fno-optimize-sibling-calls to gcc should prevent gcc generating |
| 1690 | code which hits this problem, at the cost of a bit of extra runtime |
| 1691 | stack usage in some cases. |
| 1692 | |
| 1693 | The problem is described in more detail at: |
| 1694 | https://bugs.launchpad.net/binutils-linaro/+bug/725126 |
| 1695 | |
| 1696 | Only Thumb-2 kernels are affected. |
| 1697 | |
| 1698 | Unless you are sure your tools don't have this problem, say Y. |
| 1699 | |
Catalin Marinas | 0becb08 | 2009-07-24 12:32:53 +0100 | [diff] [blame] | 1700 | config ARM_ASM_UNIFIED |
| 1701 | bool |
| 1702 | |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 1703 | config AEABI |
| 1704 | bool "Use the ARM EABI to compile the kernel" |
| 1705 | help |
| 1706 | This option allows for the kernel to be compiled using the latest |
| 1707 | ARM ABI (aka EABI). This is only useful if you are using a user |
| 1708 | space environment that is also compiled with EABI. |
| 1709 | |
| 1710 | Since there are major incompatibilities between the legacy ABI and |
| 1711 | EABI, especially with regard to structure member alignment, this |
| 1712 | option also changes the kernel syscall calling convention to |
| 1713 | disambiguate both ABIs and allow for backward compatibility support |
| 1714 | (selected with CONFIG_OABI_COMPAT). |
| 1715 | |
| 1716 | To use this you need GCC version 4.0.0 or later. |
| 1717 | |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1718 | config OABI_COMPAT |
Russell King | a73a3ff | 2006-02-08 21:09:55 +0000 | [diff] [blame] | 1719 | bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" |
Kees Cook | d6f94fa | 2013-01-16 18:53:14 -0800 | [diff] [blame] | 1720 | depends on AEABI && !THUMB2_KERNEL |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1721 | help |
| 1722 | This option preserves the old syscall interface along with the |
| 1723 | new (ARM EABI) one. It also provides a compatibility layer to |
| 1724 | intercept syscalls that have structure arguments which layout |
| 1725 | in memory differs between the legacy ABI and the new ARM EABI |
| 1726 | (only for non "thumb" binaries). This option adds a tiny |
| 1727 | overhead to all syscalls and produces a slightly larger kernel. |
Kees Cook | 9170217 | 2013-11-09 00:51:56 +0100 | [diff] [blame] | 1728 | |
| 1729 | The seccomp filter system will not be available when this is |
| 1730 | selected, since there is no way yet to sensibly distinguish |
| 1731 | between calling conventions during filtering. |
| 1732 | |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1733 | If you know you'll be using only pure EABI user space then you |
| 1734 | can say N here. If this option is not selected and you attempt |
| 1735 | to execute a legacy ABI binary then the result will be |
| 1736 | UNPREDICTABLE (in fact it can be predicted that it won't work |
Kees Cook | b02f846 | 2013-11-09 00:31:11 +0100 | [diff] [blame] | 1737 | at all). If in doubt say N. |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1738 | |
Mel Gorman | eb33575 | 2009-05-13 17:34:48 +0100 | [diff] [blame] | 1739 | config ARCH_HAS_HOLES_MEMORYMODEL |
Mel Gorman | e80d6a2 | 2008-08-14 11:10:14 +0100 | [diff] [blame] | 1740 | bool |
Mel Gorman | e80d6a2 | 2008-08-14 11:10:14 +0100 | [diff] [blame] | 1741 | |
Russell King | 05944d7 | 2006-11-30 20:43:51 +0000 | [diff] [blame] | 1742 | config ARCH_SPARSEMEM_ENABLE |
| 1743 | bool |
| 1744 | |
Russell King | 07a2f73 | 2008-10-01 21:39:58 +0100 | [diff] [blame] | 1745 | config ARCH_SPARSEMEM_DEFAULT |
| 1746 | def_bool ARCH_SPARSEMEM_ENABLE |
| 1747 | |
Russell King | 05944d7 | 2006-11-30 20:43:51 +0000 | [diff] [blame] | 1748 | config ARCH_SELECT_MEMORY_MODEL |
Russell King | be37030 | 2010-05-07 17:40:33 +0100 | [diff] [blame] | 1749 | def_bool ARCH_SPARSEMEM_ENABLE |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 1750 | |
Will Deacon | 7b7bf49 | 2011-05-19 13:21:14 +0100 | [diff] [blame] | 1751 | config HAVE_ARCH_PFN_VALID |
| 1752 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM |
| 1753 | |
Nicolas Pitre | 053a96c | 2008-09-19 00:36:12 -0400 | [diff] [blame] | 1754 | config HIGHMEM |
Russell King | e8db89a | 2011-05-12 09:53:05 +0100 | [diff] [blame] | 1755 | bool "High Memory Support" |
| 1756 | depends on MMU |
Nicolas Pitre | 053a96c | 2008-09-19 00:36:12 -0400 | [diff] [blame] | 1757 | help |
| 1758 | The address space of ARM processors is only 4 Gigabytes large |
| 1759 | and it has to accommodate user address space, kernel address |
| 1760 | space as well as some memory mapped IO. That means that, if you |
| 1761 | have a large amount of physical memory and/or IO, not all of the |
| 1762 | memory can be "permanently mapped" by the kernel. The physical |
| 1763 | memory that is not permanently mapped is called "high memory". |
| 1764 | |
| 1765 | Depending on the selected kernel/user memory split, minimum |
| 1766 | vmalloc space and actual amount of RAM, you may not need this |
| 1767 | option which should result in a slightly faster kernel. |
| 1768 | |
| 1769 | If unsure, say n. |
| 1770 | |
Russell King | 65cec8e | 2009-08-17 20:02:06 +0100 | [diff] [blame] | 1771 | config HIGHPTE |
| 1772 | bool "Allocate 2nd-level pagetables from highmem" |
| 1773 | depends on HIGHMEM |
Russell King | 65cec8e | 2009-08-17 20:02:06 +0100 | [diff] [blame] | 1774 | |
Jamie Iles | 1b8873a | 2010-02-02 20:25:44 +0100 | [diff] [blame] | 1775 | config HW_PERF_EVENTS |
| 1776 | bool "Enable hardware performance counter support for perf events" |
Will Deacon | f0d1bc4 | 2012-07-28 16:27:03 +0100 | [diff] [blame] | 1777 | depends on PERF_EVENTS |
Jamie Iles | 1b8873a | 2010-02-02 20:25:44 +0100 | [diff] [blame] | 1778 | default y |
| 1779 | help |
| 1780 | Enable hardware performance counter support for perf events. If |
| 1781 | disabled, perf events will use software events only. |
| 1782 | |
Catalin Marinas | 1355e2a | 2012-07-25 14:32:38 +0100 | [diff] [blame] | 1783 | config SYS_SUPPORTS_HUGETLBFS |
| 1784 | def_bool y |
| 1785 | depends on ARM_LPAE |
| 1786 | |
Catalin Marinas | 8d96250 | 2012-07-25 14:39:26 +0100 | [diff] [blame] | 1787 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
| 1788 | def_bool y |
| 1789 | depends on ARM_LPAE |
| 1790 | |
Steven Capper | 4bfab20 | 2013-07-26 14:58:22 +0100 | [diff] [blame] | 1791 | config ARCH_WANT_GENERAL_HUGETLB |
| 1792 | def_bool y |
| 1793 | |
Dave Hansen | 3f22ab2 | 2005-06-23 00:07:43 -0700 | [diff] [blame] | 1794 | source "mm/Kconfig" |
| 1795 | |
Magnus Damm | c1b2d97 | 2010-07-05 10:00:11 +0100 | [diff] [blame] | 1796 | config FORCE_MAX_ZONEORDER |
| 1797 | int "Maximum zone order" if ARCH_SHMOBILE |
| 1798 | range 11 64 if ARCH_SHMOBILE |
Yegor Yefremov | 898f08e | 2012-10-08 14:37:53 -0700 | [diff] [blame] | 1799 | default "12" if SOC_AM33XX |
Magnus Damm | c1b2d97 | 2010-07-05 10:00:11 +0100 | [diff] [blame] | 1800 | default "9" if SA1111 |
| 1801 | default "11" |
| 1802 | help |
| 1803 | The kernel memory allocator divides physically contiguous memory |
| 1804 | blocks into "zones", where each zone is a power of two number of |
| 1805 | pages. This option selects the largest power of two that the kernel |
| 1806 | keeps in the memory allocator. If you need to allocate very large |
| 1807 | blocks of physically contiguous memory, then you may need to |
| 1808 | increase this value. |
| 1809 | |
| 1810 | This config option is actually maximum order plus one. For example, |
| 1811 | a value of 11 means that the largest free memory block is 2^10 pages. |
| 1812 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1813 | config ALIGNMENT_TRAP |
| 1814 | bool |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 1815 | depends on CPU_CP15_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1816 | default y if !ARCH_EBSA110 |
Russell King | e119bff | 2010-01-10 17:23:29 +0000 | [diff] [blame] | 1817 | select HAVE_PROC_CPU if PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1818 | help |
Matt LaPlante | 84eb8d0 | 2006-10-03 22:53:09 +0200 | [diff] [blame] | 1819 | ARM processors cannot fetch/store information which is not |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | naturally aligned on the bus, i.e., a 4 byte fetch must start at an |
| 1821 | address divisible by 4. On 32-bit ARM processors, these non-aligned |
| 1822 | fetch/store instructions will be emulated in software if you say |
| 1823 | here, which has a severe performance impact. This is necessary for |
| 1824 | correct operation of some network protocols. With an IP-only |
| 1825 | configuration it is safe to say N, otherwise say Y. |
| 1826 | |
Lennert Buytenhek | 39ec58f | 2009-03-09 14:30:09 -0400 | [diff] [blame] | 1827 | config UACCESS_WITH_MEMCPY |
Linus Walleij | 38ef2ad | 2012-09-10 16:36:37 +0100 | [diff] [blame] | 1828 | bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()" |
| 1829 | depends on MMU |
Lennert Buytenhek | 39ec58f | 2009-03-09 14:30:09 -0400 | [diff] [blame] | 1830 | default y if CPU_FEROCEON |
| 1831 | help |
| 1832 | Implement faster copy_to_user and clear_user methods for CPU |
| 1833 | cores where a 8-word STM instruction give significantly higher |
| 1834 | memory write throughput than a sequence of individual 32bit stores. |
| 1835 | |
| 1836 | A possible side effect is a slight increase in scheduling latency |
| 1837 | between threads sharing the same address space if they invoke |
| 1838 | such copy operations with large buffers. |
| 1839 | |
| 1840 | However, if the CPU data cache is using a write-allocate mode, |
| 1841 | this option is unlikely to provide any performance gain. |
| 1842 | |
Nicolas Pitre | 70c70d9 | 2010-08-26 15:08:35 -0700 | [diff] [blame] | 1843 | config SECCOMP |
| 1844 | bool |
| 1845 | prompt "Enable seccomp to safely compute untrusted bytecode" |
| 1846 | ---help--- |
| 1847 | This kernel feature is useful for number crunching applications |
| 1848 | that may need to compute untrusted bytecode during their |
| 1849 | execution. By using pipes or other transports made available to |
| 1850 | the process as file descriptors supporting the read/write |
| 1851 | syscalls, it's possible to isolate those applications in |
| 1852 | their own address space using seccomp. Once seccomp is |
| 1853 | enabled via prctl(PR_SET_SECCOMP), it cannot be disabled |
| 1854 | and the task is only allowed to execute a few safe syscalls |
| 1855 | defined by each seccomp mode. |
| 1856 | |
Nicolas Pitre | c743f38 | 2010-05-24 23:55:42 -0400 | [diff] [blame] | 1857 | config CC_STACKPROTECTOR |
| 1858 | bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" |
| 1859 | help |
| 1860 | This option turns on the -fstack-protector GCC feature. This |
| 1861 | feature puts, at the beginning of functions, a canary value on |
| 1862 | the stack just before the return address, and validates |
| 1863 | the value just before actually returning. Stack based buffer |
| 1864 | overflows (that need to overwrite this return address) now also |
| 1865 | overwrite the canary, which gets detected and the attack is then |
| 1866 | neutralized via a kernel panic. |
| 1867 | This feature requires gcc version 4.2 or above. |
| 1868 | |
Stefano Stabellini | 06e6295 | 2013-10-15 15:47:14 +0000 | [diff] [blame] | 1869 | config SWIOTLB |
| 1870 | def_bool y |
| 1871 | |
| 1872 | config IOMMU_HELPER |
| 1873 | def_bool SWIOTLB |
| 1874 | |
Stefano Stabellini | eff8d64 | 2012-09-17 14:58:17 +0000 | [diff] [blame] | 1875 | config XEN_DOM0 |
| 1876 | def_bool y |
| 1877 | depends on XEN |
| 1878 | |
| 1879 | config XEN |
| 1880 | bool "Xen guest support on ARM (EXPERIMENTAL)" |
Ian Campbell | 85323a9 | 2013-03-07 07:17:25 +0000 | [diff] [blame] | 1881 | depends on ARM && AEABI && OF |
Arnd Bergmann | f880b67 | 2012-10-09 10:33:52 +0000 | [diff] [blame] | 1882 | depends on CPU_V7 && !CPU_V6 |
Ian Campbell | 85323a9 | 2013-03-07 07:17:25 +0000 | [diff] [blame] | 1883 | depends on !GENERIC_ATOMIC64 |
Stefano Stabellini | 17b7ab8 | 2013-04-24 18:47:18 +0000 | [diff] [blame] | 1884 | select ARM_PSCI |
Stefano Stabellini | 83862cc | 2013-10-10 13:40:44 +0000 | [diff] [blame] | 1885 | select SWIOTLB_XEN |
Stefano Stabellini | eff8d64 | 2012-09-17 14:58:17 +0000 | [diff] [blame] | 1886 | help |
| 1887 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. |
| 1888 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1889 | endmenu |
| 1890 | |
| 1891 | menu "Boot options" |
| 1892 | |
Grant Likely | 9eb8f67 | 2011-04-28 14:27:20 -0600 | [diff] [blame] | 1893 | config USE_OF |
| 1894 | bool "Flattened Device Tree support" |
Russell King | b1b3f49 | 2012-10-06 17:12:25 +0100 | [diff] [blame] | 1895 | select IRQ_DOMAIN |
Grant Likely | 9eb8f67 | 2011-04-28 14:27:20 -0600 | [diff] [blame] | 1896 | select OF |
| 1897 | select OF_EARLY_FLATTREE |
| 1898 | help |
| 1899 | Include support for flattened device tree machine descriptions. |
| 1900 | |
Nicolas Pitre | bd51e2f | 2012-09-01 03:03:25 +0100 | [diff] [blame] | 1901 | config ATAGS |
| 1902 | bool "Support for the traditional ATAGS boot data passing" if USE_OF |
| 1903 | default y |
| 1904 | help |
| 1905 | This is the traditional way of passing data to the kernel at boot |
| 1906 | time. If you are solely relying on the flattened device tree (or |
| 1907 | the ARM_ATAG_DTB_COMPAT option) then you may unselect this option |
| 1908 | to remove ATAGS support from your kernel binary. If unsure, |
| 1909 | leave this to y. |
| 1910 | |
| 1911 | config DEPRECATED_PARAM_STRUCT |
| 1912 | bool "Provide old way to pass kernel parameters" |
| 1913 | depends on ATAGS |
| 1914 | help |
| 1915 | This was deprecated in 2001 and announced to live on for 5 years. |
| 1916 | Some old boot loaders still use this way. |
| 1917 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1918 | # Compressed boot loader in ROM. Yes, we really want to ask about |
| 1919 | # TEXT and BSS so we preserve their values in the config files. |
| 1920 | config ZBOOT_ROM_TEXT |
| 1921 | hex "Compressed ROM boot loader base address" |
| 1922 | default "0" |
| 1923 | help |
| 1924 | The physical address at which the ROM-able zImage is to be |
| 1925 | placed in the target. Platforms which normally make use of |
| 1926 | ROM-able zImage formats normally set this to a suitable |
| 1927 | value in their defconfig file. |
| 1928 | |
| 1929 | If ZBOOT_ROM is not enabled, this has no effect. |
| 1930 | |
| 1931 | config ZBOOT_ROM_BSS |
| 1932 | hex "Compressed ROM boot loader BSS address" |
| 1933 | default "0" |
| 1934 | help |
Dan Fandrich | f8c440b | 2006-09-20 23:28:51 +0100 | [diff] [blame] | 1935 | The base address of an area of read/write memory in the target |
| 1936 | for the ROM-able zImage which must be available while the |
| 1937 | decompressor is running. It must be large enough to hold the |
| 1938 | entire decompressed kernel plus an additional 128 KiB. |
| 1939 | Platforms which normally make use of ROM-able zImage formats |
| 1940 | normally set this to a suitable value in their defconfig file. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | |
| 1942 | If ZBOOT_ROM is not enabled, this has no effect. |
| 1943 | |
| 1944 | config ZBOOT_ROM |
| 1945 | bool "Compressed boot loader in ROM/flash" |
| 1946 | depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS |
| 1947 | help |
| 1948 | Say Y here if you intend to execute your compressed kernel image |
| 1949 | (zImage) directly from ROM or flash. If unsure, say N. |
| 1950 | |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1951 | choice |
| 1952 | prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)" |
Kees Cook | d6f94fa | 2013-01-16 18:53:14 -0800 | [diff] [blame] | 1953 | depends on ZBOOT_ROM && ARCH_SH7372 |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1954 | default ZBOOT_ROM_NONE |
| 1955 | help |
| 1956 | Include experimental SD/MMC loading code in the ROM-able zImage. |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 1957 | With this enabled it is possible to write the ROM-able zImage |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1958 | kernel image to an MMC or SD card and boot the kernel straight |
| 1959 | from the reset vector. At reset the processor Mask ROM will load |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 1960 | the first part of the ROM-able zImage which in turn loads the |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1961 | rest the kernel image to RAM. |
| 1962 | |
| 1963 | config ZBOOT_ROM_NONE |
| 1964 | bool "No SD/MMC loader in zImage (EXPERIMENTAL)" |
| 1965 | help |
| 1966 | Do not load image from SD or MMC |
| 1967 | |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1968 | config ZBOOT_ROM_MMCIF |
| 1969 | bool "Include MMCIF loader in zImage (EXPERIMENTAL)" |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1970 | help |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1971 | Load image from MMCIF hardware block. |
| 1972 | |
| 1973 | config ZBOOT_ROM_SH_MOBILE_SDHI |
| 1974 | bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)" |
| 1975 | help |
| 1976 | Load image from SDHI hardware block |
| 1977 | |
| 1978 | endchoice |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1979 | |
John Bonesio | e2a6a3a | 2011-05-27 18:45:50 -0400 | [diff] [blame] | 1980 | config ARM_APPENDED_DTB |
| 1981 | bool "Use appended device tree blob to zImage (EXPERIMENTAL)" |
Kees Cook | d6f94fa | 2013-01-16 18:53:14 -0800 | [diff] [blame] | 1982 | depends on OF && !ZBOOT_ROM |
John Bonesio | e2a6a3a | 2011-05-27 18:45:50 -0400 | [diff] [blame] | 1983 | help |
| 1984 | With this option, the boot code will look for a device tree binary |
| 1985 | (DTB) appended to zImage |
| 1986 | (e.g. cat zImage <filename>.dtb > zImage_w_dtb). |
| 1987 | |
| 1988 | This is meant as a backward compatibility convenience for those |
| 1989 | systems with a bootloader that can't be upgraded to accommodate |
| 1990 | the documented boot protocol using a device tree. |
| 1991 | |
| 1992 | Beware that there is very little in terms of protection against |
| 1993 | this option being confused by leftover garbage in memory that might |
| 1994 | look like a DTB header after a reboot if no actual DTB is appended |
| 1995 | to zImage. Do not leave this option active in a production kernel |
| 1996 | if you don't intend to always append a DTB. Proper passing of the |
| 1997 | location into r2 of a bootloader provided DTB is always preferable |
| 1998 | to this option. |
| 1999 | |
Nicolas Pitre | b90b9a3 | 2011-09-13 22:37:07 -0400 | [diff] [blame] | 2000 | config ARM_ATAG_DTB_COMPAT |
| 2001 | bool "Supplement the appended DTB with traditional ATAG information" |
| 2002 | depends on ARM_APPENDED_DTB |
| 2003 | help |
| 2004 | Some old bootloaders can't be updated to a DTB capable one, yet |
| 2005 | they provide ATAGs with memory configuration, the ramdisk address, |
| 2006 | the kernel cmdline string, etc. Such information is dynamically |
| 2007 | provided by the bootloader and can't always be stored in a static |
| 2008 | DTB. To allow a device tree enabled kernel to be used with such |
| 2009 | bootloaders, this option allows zImage to extract the information |
| 2010 | from the ATAG list and store it at run time into the appended DTB. |
| 2011 | |
Genoud Richard | d0f34a11 | 2012-06-26 16:37:59 +0100 | [diff] [blame] | 2012 | choice |
| 2013 | prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT |
| 2014 | default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER |
| 2015 | |
| 2016 | config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER |
| 2017 | bool "Use bootloader kernel arguments if available" |
| 2018 | help |
| 2019 | Uses the command-line options passed by the boot loader instead of |
| 2020 | the device tree bootargs property. If the boot loader doesn't provide |
| 2021 | any, the device tree bootargs property will be used. |
| 2022 | |
| 2023 | config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND |
| 2024 | bool "Extend with bootloader kernel arguments" |
| 2025 | help |
| 2026 | The command-line arguments provided by the boot loader will be |
| 2027 | appended to the the device tree bootargs property. |
| 2028 | |
| 2029 | endchoice |
| 2030 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2031 | config CMDLINE |
| 2032 | string "Default kernel command string" |
| 2033 | default "" |
| 2034 | help |
| 2035 | On some architectures (EBSA110 and CATS), there is currently no way |
| 2036 | for the boot loader to pass arguments to the kernel. For these |
| 2037 | architectures, you should supply some command-line options at build |
| 2038 | time by entering them here. As a minimum, you should specify the |
| 2039 | memory size and the root device (e.g., mem=64M root=/dev/nfs). |
| 2040 | |
Victor Boivie | 4394c12 | 2011-05-04 17:07:55 +0100 | [diff] [blame] | 2041 | choice |
| 2042 | prompt "Kernel command line type" if CMDLINE != "" |
| 2043 | default CMDLINE_FROM_BOOTLOADER |
Nicolas Pitre | bd51e2f | 2012-09-01 03:03:25 +0100 | [diff] [blame] | 2044 | depends on ATAGS |
Victor Boivie | 4394c12 | 2011-05-04 17:07:55 +0100 | [diff] [blame] | 2045 | |
| 2046 | config CMDLINE_FROM_BOOTLOADER |
| 2047 | bool "Use bootloader kernel arguments if available" |
| 2048 | help |
| 2049 | Uses the command-line options passed by the boot loader. If |
| 2050 | the boot loader doesn't provide any, the default kernel command |
| 2051 | string provided in CMDLINE will be used. |
| 2052 | |
| 2053 | config CMDLINE_EXTEND |
| 2054 | bool "Extend bootloader kernel arguments" |
| 2055 | help |
| 2056 | The command-line arguments provided by the boot loader will be |
| 2057 | appended to the default kernel command string. |
| 2058 | |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2059 | config CMDLINE_FORCE |
| 2060 | bool "Always use the default kernel command string" |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2061 | help |
| 2062 | Always use the default kernel command string, even if the boot |
| 2063 | loader passes other arguments to the kernel. |
| 2064 | This is useful if you cannot or don't want to change the |
| 2065 | command-line options your boot loader passes to the kernel. |
Victor Boivie | 4394c12 | 2011-05-04 17:07:55 +0100 | [diff] [blame] | 2066 | endchoice |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2067 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2068 | config XIP_KERNEL |
| 2069 | bool "Kernel Execute-In-Place from ROM" |
Rob Herring | 387798b | 2012-09-06 13:41:12 -0500 | [diff] [blame] | 2070 | depends on !ZBOOT_ROM && !ARM_LPAE && !ARCH_MULTIPLATFORM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2071 | help |
| 2072 | Execute-In-Place allows the kernel to run from non-volatile storage |
| 2073 | directly addressable by the CPU, such as NOR flash. This saves RAM |
| 2074 | space since the text section of the kernel is not loaded from flash |
| 2075 | to RAM. Read-write sections, such as the data section and stack, |
| 2076 | are still copied to RAM. The XIP kernel is not compressed since |
| 2077 | it has to run directly from flash, so it will take more space to |
| 2078 | store it. The flash address used to link the kernel object files, |
| 2079 | and for storing it, is configuration dependent. Therefore, if you |
| 2080 | say Y here, you must know the proper physical address where to |
| 2081 | store the kernel image depending on your own flash memory usage. |
| 2082 | |
| 2083 | Also note that the make target becomes "make xipImage" rather than |
| 2084 | "make zImage" or "make Image". The final kernel binary to put in |
| 2085 | ROM memory will be arch/arm/boot/xipImage. |
| 2086 | |
| 2087 | If unsure, say N. |
| 2088 | |
| 2089 | config XIP_PHYS_ADDR |
| 2090 | hex "XIP Kernel Physical Location" |
| 2091 | depends on XIP_KERNEL |
| 2092 | default "0x00080000" |
| 2093 | help |
| 2094 | This is the physical address in your flash memory the kernel will |
| 2095 | be linked for and stored to. This address is dependent on your |
| 2096 | own flash usage. |
| 2097 | |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2098 | config KEXEC |
| 2099 | bool "Kexec system call (EXPERIMENTAL)" |
Stephen Warren | 19ab428 | 2013-06-14 16:14:14 +0100 | [diff] [blame] | 2100 | depends on (!SMP || PM_SLEEP_SMP) |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2101 | help |
| 2102 | kexec is a system call that implements the ability to shutdown your |
| 2103 | current kernel, and to start another kernel. It is like a reboot |
Matt LaPlante | 01dd2fb | 2007-10-20 01:34:40 +0200 | [diff] [blame] | 2104 | but it is independent of the system firmware. And like a reboot |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2105 | you can start any kernel with it, not just Linux. |
| 2106 | |
| 2107 | It is an ongoing process to be certain the hardware in a machine |
| 2108 | is properly shutdown, so do not be surprised if this code does not |
Geert Uytterhoeven | bf22069 | 2013-08-20 21:38:03 +0200 | [diff] [blame] | 2109 | initially work for you. |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2110 | |
Richard Purdie | 4cd9d6f | 2008-01-02 00:56:46 +0100 | [diff] [blame] | 2111 | config ATAGS_PROC |
| 2112 | bool "Export atags in procfs" |
Nicolas Pitre | bd51e2f | 2012-09-01 03:03:25 +0100 | [diff] [blame] | 2113 | depends on ATAGS && KEXEC |
Uli Luckas | b98d729 | 2008-02-22 16:45:18 +0100 | [diff] [blame] | 2114 | default y |
Richard Purdie | 4cd9d6f | 2008-01-02 00:56:46 +0100 | [diff] [blame] | 2115 | help |
| 2116 | Should the atags used to boot the kernel be exported in an "atags" |
| 2117 | file in procfs. Useful with kexec. |
| 2118 | |
Mika Westerberg | cb5d39b | 2010-11-18 19:14:52 +0100 | [diff] [blame] | 2119 | config CRASH_DUMP |
| 2120 | bool "Build kdump crash kernel (EXPERIMENTAL)" |
Mika Westerberg | cb5d39b | 2010-11-18 19:14:52 +0100 | [diff] [blame] | 2121 | help |
| 2122 | Generate crash dump after being started by kexec. This should |
| 2123 | be normally only set in special crash dump kernels which are |
| 2124 | loaded in the main kernel with kexec-tools into a specially |
| 2125 | reserved region and then later executed after a crash by |
| 2126 | kdump/kexec. The crash dump kernel must be compiled to a |
| 2127 | memory address not used by the main kernel |
| 2128 | |
| 2129 | For more details see Documentation/kdump/kdump.txt |
| 2130 | |
Eric Miao | e69edc79 | 2010-07-05 15:56:50 +0200 | [diff] [blame] | 2131 | config AUTO_ZRELADDR |
| 2132 | bool "Auto calculation of the decompressed kernel image address" |
Linus Walleij | e1b3144 | 2013-05-02 18:01:46 +0200 | [diff] [blame] | 2133 | depends on !ZBOOT_ROM |
Eric Miao | e69edc79 | 2010-07-05 15:56:50 +0200 | [diff] [blame] | 2134 | help |
| 2135 | ZRELADDR is the physical address where the decompressed kernel |
| 2136 | image will be placed. If AUTO_ZRELADDR is selected, the address |
| 2137 | will be determined at run-time by masking the current IP with |
| 2138 | 0xf8000000. This assumes the zImage being placed in the first 128MB |
| 2139 | from start of memory. |
| 2140 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2141 | endmenu |
| 2142 | |
Russell King | ac9d7ef | 2008-08-18 17:26:00 +0100 | [diff] [blame] | 2143 | menu "CPU Power Management" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2144 | |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 2145 | if ARCH_HAS_CPUFREQ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | source "drivers/cpufreq/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2147 | endif |
| 2148 | |
Russell King | ac9d7ef | 2008-08-18 17:26:00 +0100 | [diff] [blame] | 2149 | source "drivers/cpuidle/Kconfig" |
| 2150 | |
| 2151 | endmenu |
| 2152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2153 | menu "Floating point emulation" |
| 2154 | |
| 2155 | comment "At least one emulation must be selected" |
| 2156 | |
| 2157 | config FPE_NWFPE |
| 2158 | bool "NWFPE math emulation" |
Dave Martin | 593c252 | 2010-12-13 21:56:03 +0100 | [diff] [blame] | 2159 | depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | ---help--- |
| 2161 | Say Y to include the NWFPE floating point emulator in the kernel. |
| 2162 | This is necessary to run most binaries. Linux does not currently |
| 2163 | support floating point hardware so you need to say Y here even if |
| 2164 | your machine has an FPA or floating point co-processor podule. |
| 2165 | |
| 2166 | You may say N here if you are going to load the Acorn FPEmulator |
| 2167 | early in the bootup. |
| 2168 | |
| 2169 | config FPE_NWFPE_XP |
| 2170 | bool "Support extended precision" |
Lennert Buytenhek | bedf142 | 2005-11-07 21:12:08 +0000 | [diff] [blame] | 2171 | depends on FPE_NWFPE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2172 | help |
| 2173 | Say Y to include 80-bit support in the kernel floating-point |
| 2174 | emulator. Otherwise, only 32 and 64-bit support is compiled in. |
| 2175 | Note that gcc does not generate 80-bit operations by default, |
| 2176 | so in most cases this option only enlarges the size of the |
| 2177 | floating point emulator without any good reason. |
| 2178 | |
| 2179 | You almost surely want to say N here. |
| 2180 | |
| 2181 | config FPE_FASTFPE |
| 2182 | bool "FastFPE math emulation (EXPERIMENTAL)" |
Kees Cook | d6f94fa | 2013-01-16 18:53:14 -0800 | [diff] [blame] | 2183 | depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2184 | ---help--- |
| 2185 | Say Y here to include the FAST floating point emulator in the kernel. |
| 2186 | This is an experimental much faster emulator which now also has full |
| 2187 | precision for the mantissa. It does not support any exceptions. |
| 2188 | It is very simple, and approximately 3-6 times faster than NWFPE. |
| 2189 | |
| 2190 | It should be sufficient for most programs. It may be not suitable |
| 2191 | for scientific calculations, but you have to check this for yourself. |
| 2192 | If you do not feel you need a faster FP emulation you should better |
| 2193 | choose NWFPE. |
| 2194 | |
| 2195 | config VFP |
| 2196 | bool "VFP-format floating point maths" |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 2197 | depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2198 | help |
| 2199 | Say Y to include VFP support code in the kernel. This is needed |
| 2200 | if your hardware includes a VFP unit. |
| 2201 | |
| 2202 | Please see <file:Documentation/arm/VFP/release-notes.txt> for |
| 2203 | release notes and additional status information. |
| 2204 | |
| 2205 | Say N if your target does not have VFP hardware. |
| 2206 | |
Catalin Marinas | 25ebee0 | 2007-09-25 15:22:24 +0100 | [diff] [blame] | 2207 | config VFPv3 |
| 2208 | bool |
| 2209 | depends on VFP |
| 2210 | default y if CPU_V7 |
| 2211 | |
Catalin Marinas | b5872db | 2008-01-10 19:16:17 +0100 | [diff] [blame] | 2212 | config NEON |
| 2213 | bool "Advanced SIMD (NEON) Extension support" |
| 2214 | depends on VFPv3 && CPU_V7 |
| 2215 | help |
| 2216 | Say Y to include support code for NEON, the ARMv7 Advanced SIMD |
| 2217 | Extension. |
| 2218 | |
Ard Biesheuvel | 73c132c | 2013-05-16 11:41:48 +0200 | [diff] [blame] | 2219 | config KERNEL_MODE_NEON |
| 2220 | bool "Support for NEON in kernel mode" |
Russell King | c4a30c3 | 2013-09-22 11:08:50 +0100 | [diff] [blame] | 2221 | depends on NEON && AEABI |
Ard Biesheuvel | 73c132c | 2013-05-16 11:41:48 +0200 | [diff] [blame] | 2222 | help |
| 2223 | Say Y to include support for NEON in kernel mode. |
| 2224 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2225 | endmenu |
| 2226 | |
| 2227 | menu "Userspace binary formats" |
| 2228 | |
| 2229 | source "fs/Kconfig.binfmt" |
| 2230 | |
| 2231 | config ARTHUR |
| 2232 | tristate "RISC OS personality" |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 2233 | depends on !AEABI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | help |
| 2235 | Say Y here to include the kernel code necessary if you want to run |
| 2236 | Acorn RISC OS/Arthur binaries under Linux. This code is still very |
| 2237 | experimental; if this sounds frightening, say N and sleep in peace. |
| 2238 | You can also say M here to compile this support as a module (which |
| 2239 | will be called arthur). |
| 2240 | |
| 2241 | endmenu |
| 2242 | |
| 2243 | menu "Power management options" |
| 2244 | |
Russell King | eceab4a | 2005-11-15 11:31:41 +0000 | [diff] [blame] | 2245 | source "kernel/power/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2246 | |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 2247 | config ARCH_SUSPEND_POSSIBLE |
Stephen Warren | 4b1082c | 2012-09-05 09:58:27 -0600 | [diff] [blame] | 2248 | depends on !ARCH_S5PC100 |
Ezequiel Garcia | 19a0519 | 2013-08-16 10:28:24 +0100 | [diff] [blame] | 2249 | depends on CPU_ARM920T || CPU_ARM926T || CPU_FEROCEON || CPU_SA1100 || \ |
Chao Xie | 3f5d081 | 2012-05-07 11:23:58 +0800 | [diff] [blame] | 2250 | CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 2251 | def_bool y |
| 2252 | |
Arnd Bergmann | 15e0d9e | 2011-10-01 21:09:39 +0200 | [diff] [blame] | 2253 | config ARM_CPU_SUSPEND |
| 2254 | def_bool PM_SLEEP |
| 2255 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2256 | endmenu |
| 2257 | |
Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 2258 | source "net/Kconfig" |
| 2259 | |
Uwe Kleine-König | ac25150 | 2009-08-13 21:09:21 +0200 | [diff] [blame] | 2260 | source "drivers/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2261 | |
| 2262 | source "fs/Kconfig" |
| 2263 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2264 | source "arch/arm/Kconfig.debug" |
| 2265 | |
| 2266 | source "security/Kconfig" |
| 2267 | |
| 2268 | source "crypto/Kconfig" |
| 2269 | |
| 2270 | source "lib/Kconfig" |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 2271 | |
| 2272 | source "arch/arm/kvm/Kconfig" |