Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | config ARM |
| 2 | bool |
| 3 | default y |
Mark Brown | 7563bbf | 2012-04-15 10:52:54 +0100 | [diff] [blame] | 4 | select ARCH_HAVE_CUSTOM_GPIO_H |
David Woodhouse | e17c6d5 | 2008-06-17 12:19:34 +0100 | [diff] [blame] | 5 | select HAVE_AOUT |
Russell King | 24056f5 | 2011-01-03 11:29:28 +0000 | [diff] [blame] | 6 | select HAVE_DMA_API_DEBUG |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 7 | select HAVE_IDE if PCI || ISA || PCMCIA |
Marek Szyprowski | 2dc6a01 | 2012-02-10 19:55:20 +0100 | [diff] [blame] | 8 | select HAVE_DMA_ATTRS |
Marek Szyprowski | c790950 | 2011-12-29 13:09:51 +0100 | [diff] [blame] | 9 | select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7) |
| 10 | select CMA if (CPU_V6 || CPU_V6K || CPU_V7) |
Russell King | 2778f62 | 2010-07-09 16:27:52 +0100 | [diff] [blame] | 11 | select HAVE_MEMBLOCK |
Alessandro Zummo | 12b824f | 2006-03-27 01:16:35 -0800 | [diff] [blame] | 12 | select RTC_LIB |
Ralf Baechle | 75e7153 | 2007-02-09 17:08:58 +0000 | [diff] [blame] | 13 | select SYS_SUPPORTS_APM_EMULATION |
Russell King | a41297a | 2011-01-17 15:48:33 +0000 | [diff] [blame] | 14 | select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) |
Will Deacon | fe16614 | 2010-04-30 11:37:51 +0100 | [diff] [blame] | 15 | select HAVE_OPROFILE if (HAVE_PERF_EVENTS) |
Rabin Vincent | 09f05d8 | 2012-02-18 17:52:41 +0100 | [diff] [blame] | 16 | select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL |
Jason Wessel | 5cbad0e | 2008-02-20 13:33:40 -0600 | [diff] [blame] | 17 | select HAVE_ARCH_KGDB |
Wade Farnsworth | 0693bf6 | 2012-04-04 16:19:47 +0100 | [diff] [blame] | 18 | select HAVE_ARCH_TRACEHOOK |
Jon Medhurst | 856bc35 | 2011-06-14 13:09:39 +0100 | [diff] [blame] | 19 | select HAVE_KPROBES if !XIP_KERNEL |
Ananth N Mavinakayanahalli | 9edddaa | 2008-03-04 14:28:37 -0800 | [diff] [blame] | 20 | select HAVE_KRETPROBES if (HAVE_KPROBES) |
Steven Rostedt | 606576c | 2008-10-06 19:06:12 -0400 | [diff] [blame] | 21 | select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) |
Rabin Vincent | 80be7a7 | 2010-08-10 19:58:17 +0100 | [diff] [blame] | 22 | select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) |
| 23 | select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) |
Rabin Vincent | 0e341af | 2010-11-06 23:03:53 +0530 | [diff] [blame] | 24 | select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) |
David Daney | e39f560 | 2012-01-10 15:10:21 -0800 | [diff] [blame] | 25 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE |
Dmitry Baryshkov | 1fe5326 | 2008-07-18 13:30:14 +0400 | [diff] [blame] | 26 | select HAVE_GENERIC_DMA_COHERENT |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 27 | select HAVE_KERNEL_GZIP |
| 28 | select HAVE_KERNEL_LZO |
Albin Tonnerre | 6e8699f | 2010-04-03 11:40:28 +0100 | [diff] [blame] | 29 | select HAVE_KERNEL_LZMA |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 30 | select HAVE_KERNEL_XZ |
Peter Zijlstra | e360adb | 2010-10-14 14:01:34 +0800 | [diff] [blame] | 31 | select HAVE_IRQ_WORK |
Jamie Iles | 7ada189 | 2010-02-02 20:24:58 +0100 | [diff] [blame] | 32 | select HAVE_PERF_EVENTS |
| 33 | select PERF_USE_VMALLOC |
Will Deacon | e513f8b | 2010-06-25 12:24:53 +0100 | [diff] [blame] | 34 | select HAVE_REGS_AND_STACK_ACCESS_API |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 35 | select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) |
Rabin Vincent | ed60453 | 2010-11-30 17:36:48 +0100 | [diff] [blame] | 36 | select HAVE_C_RECORDMCOUNT |
Lennert Buytenhek | e2a93ec | 2010-11-29 10:06:57 +0100 | [diff] [blame] | 37 | select HAVE_GENERIC_HARDIRQS |
Stephen Boyd | 37e74be | 2012-04-16 22:53:44 +0100 | [diff] [blame] | 38 | select HARDIRQS_SW_RESEND |
| 39 | select GENERIC_IRQ_PROBE |
Thomas Gleixner | 25a5662 | 2011-03-24 12:02:11 +0100 | [diff] [blame] | 40 | select GENERIC_IRQ_SHOW |
Thomas Gleixner | d4aa8b1 | 2012-05-21 11:06:17 +0200 | [diff] [blame] | 41 | select GENERIC_IRQ_PROBE |
| 42 | select HARDIRQS_SW_RESEND |
Santosh Shilimkar | 1fb90263 | 2011-09-10 11:30:28 +0530 | [diff] [blame] | 43 | select CPU_PM if (SUSPEND || CPU_IDLE) |
Michael S. Tsirkin | e5bfb72 | 2011-11-24 20:57:23 +0200 | [diff] [blame] | 44 | select GENERIC_PCI_IOMAP |
Sam Ravnborg | e47b65b | 2012-05-21 20:45:37 +0200 | [diff] [blame] | 45 | select HAVE_BPF_JIT |
Thomas Gleixner | 84ec6d5 | 2012-04-20 13:05:50 +0000 | [diff] [blame] | 46 | select GENERIC_SMP_IDLE_THREAD |
Anna-Maria Gleixner | 3d92a71 | 2012-05-18 16:45:44 +0000 | [diff] [blame] | 47 | select KTIME_SCALAR |
| 48 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
Will Deacon | 8c56cc8 | 2012-07-06 15:45:39 +0100 | [diff] [blame^] | 49 | select GENERIC_STRNCPY_FROM_USER |
| 50 | select GENERIC_STRNLEN_USER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | help |
| 52 | 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] | 53 | licensed by ARM Ltd and targeted at embedded applications and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | handhelds such as the Compaq IPAQ. ARM-based PCs are no longer |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 55 | manufactured, but legacy ARM-based PC hardware remains popular in |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | Europe. There is an ARM Linux project with a web page at |
| 57 | <http://www.arm.linux.org.uk/>. |
| 58 | |
Russell King | 74facff | 2011-06-02 11:16:22 +0100 | [diff] [blame] | 59 | config ARM_HAS_SG_CHAIN |
| 60 | bool |
| 61 | |
Marek Szyprowski | 4ce63fc | 2012-05-16 15:48:21 +0200 | [diff] [blame] | 62 | config NEED_SG_DMA_LENGTH |
| 63 | bool |
| 64 | |
| 65 | config ARM_DMA_USE_IOMMU |
| 66 | select NEED_SG_DMA_LENGTH |
| 67 | select ARM_HAS_SG_CHAIN |
| 68 | bool |
| 69 | |
Russell King | 1a189b9 | 2008-04-13 21:41:55 +0100 | [diff] [blame] | 70 | config HAVE_PWM |
| 71 | bool |
| 72 | |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 73 | config MIGHT_HAVE_PCI |
| 74 | bool |
| 75 | |
Ralf Baechle | 75e7153 | 2007-02-09 17:08:58 +0000 | [diff] [blame] | 76 | config SYS_SUPPORTS_APM_EMULATION |
| 77 | bool |
| 78 | |
David Brownell | 0a938b9 | 2007-03-05 00:30:18 -0800 | [diff] [blame] | 79 | config GENERIC_GPIO |
| 80 | bool |
David Brownell | 0a938b9 | 2007-03-05 00:30:18 -0800 | [diff] [blame] | 81 | |
Linus Walleij | bc58177 | 2009-09-15 17:30:37 +0100 | [diff] [blame] | 82 | config HAVE_TCM |
| 83 | bool |
| 84 | select GENERIC_ALLOCATOR |
| 85 | |
Russell King | e119bff | 2010-01-10 17:23:29 +0000 | [diff] [blame] | 86 | config HAVE_PROC_CPU |
| 87 | bool |
| 88 | |
Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 89 | config NO_IOPORT |
| 90 | bool |
Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | config EISA |
| 93 | bool |
| 94 | ---help--- |
| 95 | The Extended Industry Standard Architecture (EISA) bus was |
| 96 | developed as an open alternative to the IBM MicroChannel bus. |
| 97 | |
| 98 | The EISA bus provided some of the features of the IBM MicroChannel |
| 99 | bus while maintaining backward compatibility with cards made for |
| 100 | the older ISA bus. The EISA bus saw limited use between 1988 and |
| 101 | 1995 when it was made obsolete by the PCI bus. |
| 102 | |
| 103 | Say Y here if you are building a kernel for an EISA-based machine. |
| 104 | |
| 105 | Otherwise, say N. |
| 106 | |
| 107 | config SBUS |
| 108 | bool |
| 109 | |
Russell King | f16fb1e | 2007-04-28 09:59:37 +0100 | [diff] [blame] | 110 | config STACKTRACE_SUPPORT |
| 111 | bool |
| 112 | default y |
| 113 | |
Nicolas Pitre | f76e915 | 2008-04-24 01:31:46 -0400 | [diff] [blame] | 114 | config HAVE_LATENCYTOP_SUPPORT |
| 115 | bool |
| 116 | depends on !SMP |
| 117 | default y |
| 118 | |
Russell King | f16fb1e | 2007-04-28 09:59:37 +0100 | [diff] [blame] | 119 | config LOCKDEP_SUPPORT |
| 120 | bool |
| 121 | default y |
| 122 | |
Russell King | 7ad1bcb | 2006-08-27 12:07:02 +0100 | [diff] [blame] | 123 | config TRACE_IRQFLAGS_SUPPORT |
| 124 | bool |
| 125 | default y |
| 126 | |
Nick Piggin | 95c354f | 2008-01-30 13:31:20 +0100 | [diff] [blame] | 127 | config GENERIC_LOCKBREAK |
| 128 | bool |
| 129 | default y |
| 130 | depends on SMP && PREEMPT |
| 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | config RWSEM_GENERIC_SPINLOCK |
| 133 | bool |
| 134 | default y |
| 135 | |
| 136 | config RWSEM_XCHGADD_ALGORITHM |
| 137 | bool |
| 138 | |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 139 | config ARCH_HAS_ILOG2_U32 |
| 140 | bool |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 141 | |
| 142 | config ARCH_HAS_ILOG2_U64 |
| 143 | bool |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 144 | |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 145 | config ARCH_HAS_CPUFREQ |
| 146 | bool |
| 147 | help |
| 148 | Internal node to signify that the ARCH has CPUFREQ support |
| 149 | and that the relevant menu configurations are displayed for |
| 150 | it. |
| 151 | |
Akinobu Mita | b89c3b1 | 2006-03-26 01:39:19 -0800 | [diff] [blame] | 152 | config GENERIC_HWEIGHT |
| 153 | bool |
| 154 | default y |
| 155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | config GENERIC_CALIBRATE_DELAY |
| 157 | bool |
| 158 | default y |
| 159 | |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 160 | config ARCH_MAY_HAVE_PC_FDC |
| 161 | bool |
| 162 | |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 163 | config ZONE_DMA |
| 164 | bool |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 165 | |
FUJITA Tomonori | ccd7ab7 | 2010-03-10 15:23:23 -0800 | [diff] [blame] | 166 | config NEED_DMA_MAP_STATE |
| 167 | def_bool y |
| 168 | |
Rob Herring | 58af4a2 | 2012-03-20 14:33:01 -0500 | [diff] [blame] | 169 | config ARCH_HAS_DMA_SET_COHERENT_MASK |
| 170 | bool |
| 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | config GENERIC_ISA_DMA |
| 173 | bool |
| 174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | config FIQ |
| 176 | bool |
| 177 | |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 178 | config NEED_RET_TO_USER |
| 179 | bool |
| 180 | |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 181 | config ARCH_MTD_XIP |
| 182 | bool |
| 183 | |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 184 | config VECTORS_BASE |
| 185 | hex |
Hyok S. Choi | 6afd6fa | 2006-09-28 21:46:34 +0900 | [diff] [blame] | 186 | default 0xffff0000 if MMU || CPU_HIGH_VECTOR |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 187 | default DRAM_BASE if REMAP_VECTORS_TO_RAM |
| 188 | default 0x00000000 |
| 189 | help |
| 190 | The base address of exception vectors. |
| 191 | |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 192 | config ARM_PATCH_PHYS_VIRT |
Russell King | c1beced | 2011-08-10 10:23:45 +0100 | [diff] [blame] | 193 | bool "Patch physical to virtual translations at runtime" if EMBEDDED |
| 194 | default y |
Nicolas Pitre | b511d75 | 2011-02-21 06:53:35 +0100 | [diff] [blame] | 195 | depends on !XIP_KERNEL && MMU |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 196 | depends on !ARCH_REALVIEW || !SPARSEMEM |
| 197 | help |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 198 | Patch phys-to-virt and virt-to-phys translation functions at |
| 199 | boot and module load time according to the position of the |
| 200 | kernel in system memory. |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 201 | |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 202 | 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] | 203 | of physical memory is at a 16MB boundary. |
Russell King | dc21af9 | 2011-01-04 19:09:43 +0000 | [diff] [blame] | 204 | |
Russell King | c1beced | 2011-08-10 10:23:45 +0100 | [diff] [blame] | 205 | Only disable this option if you know that you do not require |
| 206 | this feature (eg, building a kernel for a single machine) and |
| 207 | you need to shrink the kernel to the minimal size. |
| 208 | |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 209 | config NEED_MACH_IO_H |
| 210 | bool |
| 211 | help |
| 212 | Select this when mach/io.h is required to provide special |
| 213 | definitions for this platform. The need for mach/io.h should |
| 214 | be avoided when possible. |
| 215 | |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 216 | config NEED_MACH_MEMORY_H |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 217 | bool |
Russell King | 111e9a5 | 2011-05-12 10:02:42 +0100 | [diff] [blame] | 218 | help |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 219 | Select this when mach/memory.h is required to provide special |
| 220 | definitions for this platform. The need for mach/memory.h should |
| 221 | be avoided when possible. |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 222 | |
| 223 | config PHYS_OFFSET |
Nicolas Pitre | 974c072 | 2011-12-02 23:09:42 +0100 | [diff] [blame] | 224 | hex "Physical address of main memory" if MMU |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 225 | depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H |
Nicolas Pitre | 974c072 | 2011-12-02 23:09:42 +0100 | [diff] [blame] | 226 | default DRAM_BASE if !MMU |
Nicolas Pitre | 1b9f95f | 2011-07-05 22:52:51 -0400 | [diff] [blame] | 227 | help |
| 228 | Please provide the physical address corresponding to the |
| 229 | location of main memory in your system. |
Russell King | cada3c0 | 2011-01-04 19:39:29 +0000 | [diff] [blame] | 230 | |
Simon Glass | 87e040b | 2011-08-16 23:44:26 +0100 | [diff] [blame] | 231 | config GENERIC_BUG |
| 232 | def_bool y |
| 233 | depends on BUG |
| 234 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | source "init/Kconfig" |
| 236 | |
Matt Helsley | dc52ddc | 2008-10-18 20:27:21 -0700 | [diff] [blame] | 237 | source "kernel/Kconfig.freezer" |
| 238 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | menu "System Type" |
| 240 | |
Hyok S. Choi | 3c42797 | 2009-07-24 12:35:00 +0100 | [diff] [blame] | 241 | config MMU |
| 242 | bool "MMU-based Paged Memory Management Support" |
| 243 | default y |
| 244 | help |
| 245 | Select if you want MMU-based virtualised addressing space |
| 246 | support by paged memory management. If unsure, say 'Y'. |
| 247 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 248 | # |
| 249 | # The "ARM system type" choice list is ordered alphabetically by option |
| 250 | # text. Please add new entries in the option alphabetic order. |
| 251 | # |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | choice |
| 253 | prompt "ARM system type" |
Catalin Marinas | 6a0e243 | 2006-03-07 14:42:27 +0000 | [diff] [blame] | 254 | default ARCH_VERSATILE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 256 | config ARCH_INTEGRATOR |
| 257 | bool "ARM Ltd. Integrator family" |
| 258 | select ARM_AMBA |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 259 | select ARCH_HAS_CPUFREQ |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 260 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 261 | select HAVE_MACH_CLKDEV |
Linus Walleij | 9904f79 | 2011-12-09 10:29:23 +0100 | [diff] [blame] | 262 | select HAVE_TCM |
Russell King | c5a0adb | 2010-01-16 20:16:10 +0000 | [diff] [blame] | 263 | select ICST |
Russell King | 13edd86 | 2010-01-15 21:49:23 +0000 | [diff] [blame] | 264 | select GENERIC_CLOCKEVENTS |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 265 | select PLAT_VERSATILE |
Russell King | c41b16f | 2011-01-19 15:32:15 +0000 | [diff] [blame] | 266 | select PLAT_VERSATILE_FPGA_IRQ |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 267 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 268 | select NEED_MACH_MEMORY_H |
Linus Walleij | 695436e | 2012-02-26 10:46:48 +0100 | [diff] [blame] | 269 | select SPARSE_IRQ |
Linus Walleij | 3108e6a | 2012-04-28 14:33:47 +0100 | [diff] [blame] | 270 | select MULTI_IRQ_HANDLER |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 271 | help |
| 272 | Support for ARM's Integrator platform. |
| 273 | |
| 274 | config ARCH_REALVIEW |
| 275 | bool "ARM Ltd. RealView family" |
| 276 | select ARM_AMBA |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 277 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 278 | select HAVE_MACH_CLKDEV |
Russell King | c5a0adb | 2010-01-16 20:16:10 +0000 | [diff] [blame] | 279 | select ICST |
Catalin Marinas | ae30cea | 2008-02-04 17:26:55 +0100 | [diff] [blame] | 280 | select GENERIC_CLOCKEVENTS |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 281 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 282 | select PLAT_VERSATILE |
Russell King | 3cb5ee4 | 2011-01-18 20:13:20 +0000 | [diff] [blame] | 283 | select PLAT_VERSATILE_CLCD |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 284 | select ARM_TIMER_SP804 |
Colin Tuckley | b56ba8a | 2010-02-24 15:23:10 +0100 | [diff] [blame] | 285 | select GPIO_PL061 if GPIOLIB |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 286 | select NEED_MACH_MEMORY_H |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 287 | help |
| 288 | This enables support for ARM Ltd RealView boards. |
| 289 | |
| 290 | config ARCH_VERSATILE |
| 291 | bool "ARM Ltd. Versatile family" |
| 292 | select ARM_AMBA |
| 293 | select ARM_VIC |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 294 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 295 | select HAVE_MACH_CLKDEV |
Russell King | c5a0adb | 2010-01-16 20:16:10 +0000 | [diff] [blame] | 296 | select ICST |
Kevin Hilman | 89df127 | 2007-03-08 20:30:38 +0100 | [diff] [blame] | 297 | select GENERIC_CLOCKEVENTS |
Russell King | bbeddc4 | 2009-07-05 22:43:01 +0100 | [diff] [blame] | 298 | select ARCH_WANT_OPTIONAL_GPIOLIB |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 299 | select PLAT_VERSATILE |
Russell King | 3414ba8 | 2011-01-18 20:12:10 +0000 | [diff] [blame] | 300 | select PLAT_VERSATILE_CLCD |
Russell King | c41b16f | 2011-01-19 15:32:15 +0000 | [diff] [blame] | 301 | select PLAT_VERSATILE_FPGA_IRQ |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 302 | select ARM_TIMER_SP804 |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 303 | help |
| 304 | This enables support for ARM Ltd Versatile board. |
| 305 | |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 306 | config ARCH_VEXPRESS |
| 307 | bool "ARM Ltd. Versatile Express family" |
| 308 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 309 | select ARM_AMBA |
| 310 | select ARM_TIMER_SP804 |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 311 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 312 | select HAVE_MACH_CLKDEV |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 313 | select GENERIC_CLOCKEVENTS |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 314 | select HAVE_CLK |
Nick Bowler | 95c34f8 | 2011-01-21 15:51:06 +0100 | [diff] [blame] | 315 | select HAVE_PATA_PLATFORM |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 316 | select ICST |
Russell King | ba81f50 | 2012-02-15 11:55:22 +0000 | [diff] [blame] | 317 | select NO_IOPORT |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 318 | select PLAT_VERSATILE |
Russell King | 0fb44b9 | 2011-01-18 20:13:51 +0000 | [diff] [blame] | 319 | select PLAT_VERSATILE_CLCD |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 320 | help |
| 321 | This enables support for the ARM Ltd Versatile Express boards. |
| 322 | |
Andrew Victor | 8fc5ffa | 2006-06-29 16:06:33 +0100 | [diff] [blame] | 323 | config ARCH_AT91 |
| 324 | bool "Atmel AT91" |
Ryan Mallon | f373e8c | 2009-02-10 21:02:08 +0100 | [diff] [blame] | 325 | select ARCH_REQUIRE_GPIOLIB |
David Brownell | 93686ae | 2008-07-28 15:46:22 -0700 | [diff] [blame] | 326 | select HAVE_CLK |
Jean-Christophe PLAGNIOL-VILLARD | bd60299 | 2011-02-02 07:27:07 +0100 | [diff] [blame] | 327 | select CLKDEV_LOOKUP |
Nicolas Ferre | e261501 | 2011-11-22 22:26:09 +0100 | [diff] [blame] | 328 | select IRQ_DOMAIN |
Rob Herring | 1ac02d7 | 2012-04-04 17:48:04 -0500 | [diff] [blame] | 329 | select NEED_MACH_IO_H if PCCARD |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 330 | help |
Nicolas Ferre | 929e994 | 2012-03-15 12:21:12 +0100 | [diff] [blame] | 331 | This enables support for systems based on Atmel |
| 332 | AT91RM9200 and AT91SAM9* processors. |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 333 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 334 | config ARCH_BCMRING |
| 335 | bool "Broadcom BCMRING" |
| 336 | depends on MMU |
| 337 | select CPU_V6 |
| 338 | select ARM_AMBA |
Russell King | 82d6373 | 2011-05-12 13:43:39 +0100 | [diff] [blame] | 339 | select ARM_TIMER_SP804 |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 340 | select CLKDEV_LOOKUP |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 341 | select GENERIC_CLOCKEVENTS |
| 342 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 343 | help |
| 344 | Support for Broadcom's BCMRing platform. |
| 345 | |
Rob Herring | 220e6cf | 2011-06-07 10:02:55 -0500 | [diff] [blame] | 346 | config ARCH_HIGHBANK |
| 347 | bool "Calxeda Highbank-based" |
| 348 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 349 | select ARM_AMBA |
| 350 | select ARM_GIC |
| 351 | select ARM_TIMER_SP804 |
Dave Martin | 22d8037 | 2011-12-12 16:17:34 +0000 | [diff] [blame] | 352 | select CACHE_L2X0 |
Rob Herring | 220e6cf | 2011-06-07 10:02:55 -0500 | [diff] [blame] | 353 | select CLKDEV_LOOKUP |
| 354 | select CPU_V7 |
| 355 | select GENERIC_CLOCKEVENTS |
| 356 | select HAVE_ARM_SCU |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 357 | select HAVE_SMP |
Rob Herring | fdfa64a | 2012-01-03 14:44:31 -0600 | [diff] [blame] | 358 | select SPARSE_IRQ |
Rob Herring | 220e6cf | 2011-06-07 10:02:55 -0500 | [diff] [blame] | 359 | select USE_OF |
| 360 | help |
| 361 | Support for the Calxeda Highbank SoC based boards. |
| 362 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | config ARCH_CLPS711X |
Alexander Shiyan | 0e2fce5 | 2012-05-14 21:46:10 +0400 | [diff] [blame] | 364 | bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 365 | select CPU_ARM720T |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 366 | select ARCH_USES_GETTIMEOFFSET |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 367 | select NEED_MACH_MEMORY_H |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 368 | help |
Alexander Shiyan | 0e2fce5 | 2012-05-14 21:46:10 +0400 | [diff] [blame] | 369 | Support for Cirrus Logic 711x/721x/731x based boards. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | |
Anton Vorontsov | d94f944 | 2010-03-25 17:12:41 +0300 | [diff] [blame] | 371 | config ARCH_CNS3XXX |
| 372 | bool "Cavium Networks CNS3XXX family" |
Imre Kaloz | 00d2711 | 2011-07-07 12:19:09 +0200 | [diff] [blame] | 373 | select CPU_V6K |
Anton Vorontsov | d94f944 | 2010-03-25 17:12:41 +0300 | [diff] [blame] | 374 | select GENERIC_CLOCKEVENTS |
| 375 | select ARM_GIC |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 376 | select MIGHT_HAVE_CACHE_L2X0 |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 377 | select MIGHT_HAVE_PCI |
Anton Vorontsov | 5f32f7a | 2010-05-28 13:10:52 +0400 | [diff] [blame] | 378 | select PCI_DOMAINS if PCI |
Anton Vorontsov | d94f944 | 2010-03-25 17:12:41 +0300 | [diff] [blame] | 379 | help |
| 380 | Support for Cavium Networks CNS3XXX platform. |
| 381 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 382 | config ARCH_GEMINI |
| 383 | bool "Cortina Systems Gemini" |
| 384 | select CPU_FA526 |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 385 | select ARCH_REQUIRE_GPIOLIB |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 386 | select ARCH_USES_GETTIMEOFFSET |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 387 | help |
| 388 | Support for the Cortina Systems Gemini family SoCs |
| 389 | |
Arnd Bergmann | 3a6cb8c | 2011-07-17 21:43:26 +0200 | [diff] [blame] | 390 | config ARCH_PRIMA2 |
| 391 | bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform" |
| 392 | select CPU_V7 |
Arnd Bergmann | 3a6cb8c | 2011-07-17 21:43:26 +0200 | [diff] [blame] | 393 | select NO_IOPORT |
| 394 | select GENERIC_CLOCKEVENTS |
| 395 | select CLKDEV_LOOKUP |
| 396 | select GENERIC_IRQ_CHIP |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 397 | select MIGHT_HAVE_CACHE_L2X0 |
Barry Song | cbd8d84 | 2012-05-15 10:35:46 +0800 | [diff] [blame] | 398 | select PINCTRL |
| 399 | select PINCTRL_SIRF |
Arnd Bergmann | 3a6cb8c | 2011-07-17 21:43:26 +0200 | [diff] [blame] | 400 | select USE_OF |
| 401 | select ZONE_DMA |
| 402 | help |
| 403 | Support for CSR SiRFSoC ARM Cortex A9 Platform |
| 404 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | config ARCH_EBSA110 |
| 406 | bool "EBSA-110" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 407 | select CPU_SA110 |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 408 | select ISA |
Russell King | c5eb2a2 | 2007-03-03 11:54:19 +0000 | [diff] [blame] | 409 | select NO_IOPORT |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 410 | select ARCH_USES_GETTIMEOFFSET |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 411 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 412 | select NEED_MACH_MEMORY_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | help |
| 414 | This is an evaluation board for the StrongARM processor available |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 415 | from Digital. It has limited hardware on-board, including an |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | Ethernet interface, two PCMCIA sockets, two serial ports and a |
| 417 | parallel port. |
| 418 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 419 | config ARCH_EP93XX |
| 420 | bool "EP93xx-based" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 421 | select CPU_ARM920T |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 422 | select ARM_AMBA |
| 423 | select ARM_VIC |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 424 | select CLKDEV_LOOKUP |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 425 | select ARCH_REQUIRE_GPIOLIB |
Mel Gorman | eb33575 | 2009-05-13 17:34:48 +0100 | [diff] [blame] | 426 | select ARCH_HAS_HOLES_MEMORYMODEL |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 427 | select ARCH_USES_GETTIMEOFFSET |
Arnd Bergmann | 5725aea | 2011-10-31 23:11:46 +0100 | [diff] [blame] | 428 | select NEED_MACH_MEMORY_H |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 429 | help |
| 430 | This enables support for the Cirrus EP93xx series of CPUs. |
| 431 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | config ARCH_FOOTBRIDGE |
| 433 | bool "FootBridge" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 434 | select CPU_SA110 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | select FOOTBRIDGE |
Russell King | 4e8d763 | 2011-01-28 21:00:39 +0000 | [diff] [blame] | 436 | select GENERIC_CLOCKEVENTS |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 437 | select HAVE_IDE |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 438 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 439 | select NEED_MACH_MEMORY_H |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 440 | help |
| 441 | Support for systems based on the DC21285 companion chip |
| 442 | ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 444 | config ARCH_MXC |
| 445 | bool "Freescale MXC/iMX-based" |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 446 | select GENERIC_CLOCKEVENTS |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 447 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 448 | select CLKDEV_LOOKUP |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 449 | select CLKSRC_MMIO |
Shawn Guo | 8b6c44f | 2011-06-07 13:59:14 +0800 | [diff] [blame] | 450 | select GENERIC_IRQ_CHIP |
Sascha Hauer | ffa2ea3 | 2011-09-20 14:31:24 +0200 | [diff] [blame] | 451 | select MULTI_IRQ_HANDLER |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 452 | help |
| 453 | Support for Freescale MXC/iMX-based family of processors |
| 454 | |
Shawn Guo | 1d3f33d | 2010-12-13 20:55:03 +0800 | [diff] [blame] | 455 | config ARCH_MXS |
| 456 | bool "Freescale MXS-based" |
| 457 | select GENERIC_CLOCKEVENTS |
| 458 | select ARCH_REQUIRE_GPIOLIB |
Sascha Hauer | b9214b9 | 2011-01-13 16:59:25 +0100 | [diff] [blame] | 459 | select CLKDEV_LOOKUP |
Russell King | 5c61ddc | 2011-05-08 17:21:49 +0100 | [diff] [blame] | 460 | select CLKSRC_MMIO |
Shawn Guo | 2664681 | 2012-04-29 00:02:39 +0800 | [diff] [blame] | 461 | select COMMON_CLK |
Shawn Guo | 6abda3e | 2011-12-20 16:12:34 +0800 | [diff] [blame] | 462 | select HAVE_CLK_PREPARE |
Shawn Guo | a0f5e36 | 2012-05-06 23:13:13 +0800 | [diff] [blame] | 463 | select PINCTRL |
Shawn Guo | 6c4d4ef | 2012-05-04 21:42:41 +0800 | [diff] [blame] | 464 | select USE_OF |
Shawn Guo | 1d3f33d | 2010-12-13 20:55:03 +0800 | [diff] [blame] | 465 | help |
| 466 | Support for Freescale MXS-based family of processors |
| 467 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 468 | config ARCH_NETX |
| 469 | bool "Hilscher NetX based" |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 470 | select CLKSRC_MMIO |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 471 | select CPU_ARM926T |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 472 | select ARM_VIC |
Uwe Kleine-König | 2fcfe6b | 2008-12-09 21:57:24 +0100 | [diff] [blame] | 473 | select GENERIC_CLOCKEVENTS |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 474 | help |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 475 | This enables support for systems based on the Hilscher NetX Soc |
| 476 | |
| 477 | config ARCH_H720X |
| 478 | bool "Hynix HMS720x-based" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 479 | select CPU_ARM720T |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 480 | select ISA_DMA_API |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 481 | select ARCH_USES_GETTIMEOFFSET |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 482 | help |
| 483 | This enables support for systems based on the Hynix HMS720x |
| 484 | |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 485 | config ARCH_IOP13XX |
| 486 | bool "IOP13xx-based" |
| 487 | depends on MMU |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 488 | select CPU_XSC3 |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 489 | select PLAT_IOP |
| 490 | select PCI |
| 491 | select ARCH_SUPPORTS_MSI |
Lennert Buytenhek | 8d5796d | 2008-08-25 21:03:32 +0100 | [diff] [blame] | 492 | select VMSPLIT_1G |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 493 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 494 | select NEED_MACH_MEMORY_H |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 495 | select NEED_RET_TO_USER |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 496 | help |
| 497 | Support for Intel's IOP13XX (XScale) family of processors. |
| 498 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 499 | config ARCH_IOP32X |
| 500 | bool "IOP32x-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 501 | depends on MMU |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 502 | select CPU_XSCALE |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 503 | select NEED_MACH_IO_H |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 504 | select NEED_RET_TO_USER |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 505 | select PLAT_IOP |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 506 | select PCI |
Russell King | bb2b180 | 2008-07-26 15:36:03 +0100 | [diff] [blame] | 507 | select ARCH_REQUIRE_GPIOLIB |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 508 | help |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 509 | Support for Intel's 80219 and IOP32X (XScale) family of |
| 510 | processors. |
| 511 | |
| 512 | config ARCH_IOP33X |
| 513 | bool "IOP33x-based" |
| 514 | depends on MMU |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 515 | select CPU_XSCALE |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 516 | select NEED_MACH_IO_H |
Rob Herring | 13a5045 | 2012-02-07 09:28:22 -0600 | [diff] [blame] | 517 | select NEED_RET_TO_USER |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 518 | select PLAT_IOP |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 519 | select PCI |
Russell King | bb2b180 | 2008-07-26 15:36:03 +0100 | [diff] [blame] | 520 | select ARCH_REQUIRE_GPIOLIB |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 521 | help |
| 522 | Support for Intel's IOP33X (XScale) family of processors. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 524 | config ARCH_IXP4XX |
| 525 | bool "IXP4xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 526 | depends on MMU |
Rob Herring | 58af4a2 | 2012-03-20 14:33:01 -0500 | [diff] [blame] | 527 | select ARCH_HAS_DMA_SET_COHERENT_MASK |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 528 | select CLKSRC_MMIO |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 529 | select CPU_XSCALE |
Richard Cochran | 9dde0ae | 2012-05-23 18:19:51 +0200 | [diff] [blame] | 530 | select ARCH_REQUIRE_GPIOLIB |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 531 | select GENERIC_CLOCKEVENTS |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 532 | select MIGHT_HAVE_PCI |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 533 | select NEED_MACH_IO_H |
Russell King | 485bdde | 2008-10-17 14:00:43 +0100 | [diff] [blame] | 534 | select DMABOUNCE if PCI |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 535 | help |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 536 | Support for Intel's IXP4XX (XScale) family of processors. |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 537 | |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 538 | config ARCH_DOVE |
| 539 | bool "Marvell Dove" |
Konstantin Porotchkin | 7b769bb | 2011-04-07 13:49:41 +0300 | [diff] [blame] | 540 | select CPU_V7 |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 541 | select PCI |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 542 | select ARCH_REQUIRE_GPIOLIB |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 543 | select GENERIC_CLOCKEVENTS |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 544 | select NEED_MACH_IO_H |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 545 | select PLAT_ORION |
| 546 | help |
| 547 | Support for the Marvell Dove SoC 88AP510 |
| 548 | |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 549 | config ARCH_KIRKWOOD |
| 550 | bool "Marvell Kirkwood" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 551 | select CPU_FEROCEON |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 552 | select PCI |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 553 | select ARCH_REQUIRE_GPIOLIB |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 554 | select GENERIC_CLOCKEVENTS |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 555 | select NEED_MACH_IO_H |
Saeed Bishara | 651c74c | 2008-06-22 22:45:06 +0200 | [diff] [blame] | 556 | select PLAT_ORION |
| 557 | help |
| 558 | Support for the following Marvell Kirkwood series SoCs: |
| 559 | 88F6180, 88F6192 and 88F6281. |
| 560 | |
Kevin Wells | 4080594 | 2010-07-27 08:49:04 -0700 | [diff] [blame] | 561 | config ARCH_LPC32XX |
| 562 | bool "NXP LPC32XX" |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 563 | select CLKSRC_MMIO |
Kevin Wells | 4080594 | 2010-07-27 08:49:04 -0700 | [diff] [blame] | 564 | select CPU_ARM926T |
| 565 | select ARCH_REQUIRE_GPIOLIB |
| 566 | select HAVE_IDE |
| 567 | select ARM_AMBA |
| 568 | select USB_ARCH_HAS_OHCI |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 569 | select CLKDEV_LOOKUP |
Kevin Wells | 4080594 | 2010-07-27 08:49:04 -0700 | [diff] [blame] | 570 | select GENERIC_CLOCKEVENTS |
Roland Stigge | f5c4227 | 2012-04-22 12:01:19 +0200 | [diff] [blame] | 571 | select USE_OF |
Kevin Wells | 4080594 | 2010-07-27 08:49:04 -0700 | [diff] [blame] | 572 | help |
| 573 | Support for the NXP LPC32XX family of processors |
| 574 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 575 | config ARCH_MV78XX0 |
| 576 | bool "Marvell MV78xx0" |
| 577 | select CPU_FEROCEON |
| 578 | select PCI |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 579 | select ARCH_REQUIRE_GPIOLIB |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 580 | select GENERIC_CLOCKEVENTS |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 581 | select NEED_MACH_IO_H |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 582 | select PLAT_ORION |
| 583 | help |
| 584 | Support for the following Marvell MV78xx0 series SoCs: |
| 585 | MV781x0, MV782x0. |
| 586 | |
| 587 | config ARCH_ORION5X |
| 588 | bool "Marvell Orion" |
| 589 | depends on MMU |
| 590 | select CPU_FEROCEON |
| 591 | select PCI |
Erik Benada | a886565 | 2009-05-28 17:08:55 -0700 | [diff] [blame] | 592 | select ARCH_REQUIRE_GPIOLIB |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 593 | select GENERIC_CLOCKEVENTS |
| 594 | select PLAT_ORION |
| 595 | help |
| 596 | Support for the following Marvell Orion 5x series SoCs: |
| 597 | Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), |
| 598 | Orion-2 (5281), Orion-1-90 (6183). |
| 599 | |
| 600 | config ARCH_MMP |
Haojian Zhuang | 2f7e8fa | 2009-12-04 09:41:28 -0500 | [diff] [blame] | 601 | bool "Marvell PXA168/910/MMP2" |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 602 | depends on MMU |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 603 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 604 | select CLKDEV_LOOKUP |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 605 | select GENERIC_CLOCKEVENTS |
Haojian Zhuang | 157d264 | 2011-10-17 20:37:52 +0800 | [diff] [blame] | 606 | select GPIO_PXA |
Haojian Zhuang | c24b311 | 2012-04-12 19:02:02 +0800 | [diff] [blame] | 607 | select IRQ_DOMAIN |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 608 | select PLAT_PXA |
Haojian Zhuang | 0bd8696 | 2010-09-08 09:42:42 -0400 | [diff] [blame] | 609 | select SPARSE_IRQ |
Leo Yan | 3c7241b | 2011-08-15 11:09:52 +0800 | [diff] [blame] | 610 | select GENERIC_ALLOCATOR |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 611 | help |
Haojian Zhuang | 2f7e8fa | 2009-12-04 09:41:28 -0500 | [diff] [blame] | 612 | Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 613 | |
Andrew Victor | c53c9cf | 2007-05-11 21:01:28 +0100 | [diff] [blame] | 614 | config ARCH_KS8695 |
| 615 | bool "Micrel/Kendin KS8695" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 616 | select CPU_ARM922T |
Hartley Sweeten | 98830bc | 2010-05-17 17:18:10 +0100 | [diff] [blame] | 617 | select ARCH_REQUIRE_GPIOLIB |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 618 | select ARCH_USES_GETTIMEOFFSET |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 619 | select NEED_MACH_MEMORY_H |
Andrew Victor | c53c9cf | 2007-05-11 21:01:28 +0100 | [diff] [blame] | 620 | help |
| 621 | Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based |
| 622 | System-on-Chip devices. |
| 623 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 624 | config ARCH_W90X900 |
| 625 | bool "Nuvoton W90X900 CPU" |
| 626 | select CPU_ARM926T |
wanzongshun | c52d3d6 | 2009-06-10 15:49:32 +0100 | [diff] [blame] | 627 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 628 | select CLKDEV_LOOKUP |
Russell King | 6fa5d5f | 2011-05-08 15:34:39 +0100 | [diff] [blame] | 629 | select CLKSRC_MMIO |
wanzongshun | 58b5369 | 2009-08-14 15:36:44 +0100 | [diff] [blame] | 630 | select GENERIC_CLOCKEVENTS |
Lennert Buytenhek | 777f9be | 2008-06-22 22:45:02 +0200 | [diff] [blame] | 631 | help |
wanzongshun | a8bc4ea | 2009-08-14 15:38:29 +0100 | [diff] [blame] | 632 | Support for Nuvoton (Winbond logic dept.) ARM9 processor, |
| 633 | At present, the w90x900 has been renamed nuc900, regarding |
| 634 | the ARM series product line, you can login the following |
| 635 | link address to know more. |
| 636 | |
| 637 | <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ |
| 638 | ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> |
Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 639 | |
Erik Gilling | c5f8006 | 2010-01-21 16:53:02 -0800 | [diff] [blame] | 640 | config ARCH_TEGRA |
| 641 | bool "NVIDIA Tegra" |
Russell King | 4073723 | 2011-01-06 22:32:52 +0000 | [diff] [blame] | 642 | select CLKDEV_LOOKUP |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 643 | select CLKSRC_MMIO |
Erik Gilling | c5f8006 | 2010-01-21 16:53:02 -0800 | [diff] [blame] | 644 | select GENERIC_CLOCKEVENTS |
| 645 | select GENERIC_GPIO |
| 646 | select HAVE_CLK |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 647 | select HAVE_SMP |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 648 | select MIGHT_HAVE_CACHE_L2X0 |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 649 | select NEED_MACH_IO_H if PCI |
Colin Cross | 7056d42 | 2010-04-22 20:30:13 -0700 | [diff] [blame] | 650 | select ARCH_HAS_CPUFREQ |
Erik Gilling | c5f8006 | 2010-01-21 16:53:02 -0800 | [diff] [blame] | 651 | help |
| 652 | This enables support for NVIDIA Tegra based systems (Tegra APX, |
| 653 | Tegra 6xx and Tegra 2 series). |
| 654 | |
Jamie Iles | af75655 | 2011-07-25 17:36:42 +0100 | [diff] [blame] | 655 | config ARCH_PICOXCELL |
| 656 | bool "Picochip picoXcell" |
| 657 | select ARCH_REQUIRE_GPIOLIB |
| 658 | select ARM_PATCH_PHYS_VIRT |
| 659 | select ARM_VIC |
| 660 | select CPU_V6K |
| 661 | select DW_APB_TIMER |
| 662 | select GENERIC_CLOCKEVENTS |
| 663 | select GENERIC_GPIO |
Jamie Iles | af75655 | 2011-07-25 17:36:42 +0100 | [diff] [blame] | 664 | select HAVE_TCM |
| 665 | select NO_IOPORT |
Jamie Iles | 98e27a5 | 2011-12-12 20:17:37 +0000 | [diff] [blame] | 666 | select SPARSE_IRQ |
Jamie Iles | af75655 | 2011-07-25 17:36:42 +0100 | [diff] [blame] | 667 | select USE_OF |
| 668 | help |
| 669 | This enables support for systems based on the Picochip picoXcell |
| 670 | family of Femtocell devices. The picoxcell support requires device tree |
| 671 | for all boards. |
| 672 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 673 | config ARCH_PNX4008 |
| 674 | bool "Philips Nexperia PNX4008 Mobile" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 675 | select CPU_ARM926T |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 676 | select CLKDEV_LOOKUP |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 677 | select ARCH_USES_GETTIMEOFFSET |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 678 | help |
| 679 | This enables support for Philips PNX4008 mobile platform. |
| 680 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | config ARCH_PXA |
eric miao | 2c8086a | 2007-09-11 19:13:17 -0700 | [diff] [blame] | 682 | bool "PXA2xx/PXA3xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 683 | depends on MMU |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 684 | select ARCH_MTD_XIP |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 685 | select ARCH_HAS_CPUFREQ |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 686 | select CLKDEV_LOOKUP |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 687 | select CLKSRC_MMIO |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 688 | select ARCH_REQUIRE_GPIOLIB |
Eric Miao | 981d0f3 | 2007-07-24 01:22:43 +0100 | [diff] [blame] | 689 | select GENERIC_CLOCKEVENTS |
Haojian Zhuang | 157d264 | 2011-10-17 20:37:52 +0800 | [diff] [blame] | 690 | select GPIO_PXA |
Eric Miao | bd5ce43 | 2009-01-20 12:06:01 +0800 | [diff] [blame] | 691 | select PLAT_PXA |
Haojian Zhuang | 6ac6b81 | 2010-08-20 15:23:59 +0800 | [diff] [blame] | 692 | select SPARSE_IRQ |
Eric Miao | 4e234cc | 2011-04-04 15:06:33 +0800 | [diff] [blame] | 693 | select AUTO_ZRELADDR |
Eric Miao | 8a97ae2 | 2011-05-18 21:30:04 +0800 | [diff] [blame] | 694 | select MULTI_IRQ_HANDLER |
Arnd Bergmann | 15e0d9e | 2011-10-01 21:09:39 +0200 | [diff] [blame] | 695 | select ARM_CPU_SUSPEND if PM |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 696 | select HAVE_IDE |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 697 | help |
eric miao | 2c8086a | 2007-09-11 19:13:17 -0700 | [diff] [blame] | 698 | Support for Intel/Marvell's PXA2xx/PXA3xx processor line. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | |
Russell King | 788c970 | 2009-04-26 14:21:59 +0100 | [diff] [blame] | 700 | config ARCH_MSM |
| 701 | bool "Qualcomm MSM" |
Steve Muckle | 4b536b8 | 2008-12-29 16:17:22 -0500 | [diff] [blame] | 702 | select HAVE_CLK |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 703 | select GENERIC_CLOCKEVENTS |
Pavel Machek | 923a081 | 2010-06-02 11:11:12 -0700 | [diff] [blame] | 704 | select ARCH_REQUIRE_GPIOLIB |
Stephen Boyd | bd32344 | 2011-02-23 09:37:42 -0800 | [diff] [blame] | 705 | select CLKDEV_LOOKUP |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 706 | help |
Daniel Walker | 4b53eb4 | 2010-01-01 15:11:43 -0800 | [diff] [blame] | 707 | Support for Qualcomm MSM/QSD based systems. This runs on the |
| 708 | apps processor of the MSM/QSD and depends on a shared memory |
| 709 | interface to the modem processor which runs the baseband |
| 710 | stack and controls some vital subsystems |
| 711 | (clock and power control, etc). |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 712 | |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 713 | config ARCH_SHMOBILE |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 714 | bool "Renesas SH-Mobile / R-Mobile" |
| 715 | select HAVE_CLK |
Paul Mundt | 5e93c6b | 2011-01-07 10:29:26 +0900 | [diff] [blame] | 716 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 717 | select HAVE_MACH_CLKDEV |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 718 | select HAVE_SMP |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 719 | select GENERIC_CLOCKEVENTS |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 720 | select MIGHT_HAVE_CACHE_L2X0 |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 721 | select NO_IOPORT |
| 722 | select SPARSE_IRQ |
Magnus Damm | 60f1435 | 2010-12-28 08:26:52 +0000 | [diff] [blame] | 723 | select MULTI_IRQ_HANDLER |
Rafael J. Wysocki | e3e0109 | 2011-07-01 22:13:56 +0200 | [diff] [blame] | 724 | select PM_GENERIC_DOMAINS if PM |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 725 | select NEED_MACH_MEMORY_H |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 726 | help |
Paul Mundt | 6d72ad3 | 2010-11-16 16:10:20 +0900 | [diff] [blame] | 727 | Support for Renesas's SH-Mobile and R-Mobile ARM platforms. |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 728 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | config ARCH_RPC |
| 730 | bool "RiscPC" |
| 731 | select ARCH_ACORN |
| 732 | select FIQ |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 733 | select ARCH_MAY_HAVE_PC_FDC |
Ben Dooks | 341eb78 | 2008-07-01 14:16:49 +0100 | [diff] [blame] | 734 | select HAVE_PATA_PLATFORM |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 735 | select ISA_DMA_API |
Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 736 | select NO_IOPORT |
Russell King | 07f841b | 2008-10-01 17:11:06 +0100 | [diff] [blame] | 737 | select ARCH_SPARSEMEM_ENABLE |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 738 | select ARCH_USES_GETTIMEOFFSET |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 739 | select HAVE_IDE |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 740 | select NEED_MACH_IO_H |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 741 | select NEED_MACH_MEMORY_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | help |
| 743 | On the Acorn Risc-PC, Linux can support the internal IDE disk and |
| 744 | CD-ROM interface, serial and parallel port, and the floppy drive. |
| 745 | |
| 746 | config ARCH_SA1100 |
| 747 | bool "SA1100-based" |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 748 | select CLKSRC_MMIO |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 749 | select CPU_SA1100 |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 750 | select ISA |
Russell King | 05944d7 | 2006-11-30 20:43:51 +0000 | [diff] [blame] | 751 | select ARCH_SPARSEMEM_ENABLE |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 752 | select ARCH_MTD_XIP |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 753 | select ARCH_HAS_CPUFREQ |
Russell King | 1937f5b | 2009-12-12 16:20:57 +0000 | [diff] [blame] | 754 | select CPU_FREQ |
Russell King | 3e238be | 2008-04-14 23:03:10 +0100 | [diff] [blame] | 755 | select GENERIC_CLOCKEVENTS |
Jett.Zhou | 4a8f834 | 2011-11-30 14:32:36 +0800 | [diff] [blame] | 756 | select CLKDEV_LOOKUP |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 757 | select ARCH_REQUIRE_GPIOLIB |
Arnd Bergmann | d0ee9f4 | 2011-10-01 21:10:32 +0200 | [diff] [blame] | 758 | select HAVE_IDE |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 759 | select NEED_MACH_MEMORY_H |
Russell King | 375dec9 | 2012-02-23 14:29:33 +0100 | [diff] [blame] | 760 | select SPARSE_IRQ |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 761 | help |
| 762 | Support for StrongARM 11x0 based boards. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 764 | config ARCH_S3C24XX |
| 765 | bool "Samsung S3C24XX SoCs" |
David Brownell | 0a938b9 | 2007-03-05 00:30:18 -0800 | [diff] [blame] | 766 | select GENERIC_GPIO |
Ben Dooks | 9d56c02 | 2009-07-30 23:23:25 +0100 | [diff] [blame] | 767 | select ARCH_HAS_CPUFREQ |
David Brownell | 9483a57 | 2008-07-23 21:26:48 -0700 | [diff] [blame] | 768 | select HAVE_CLK |
Thomas Abraham | e83626f | 2011-06-14 19:12:26 +0900 | [diff] [blame] | 769 | select CLKDEV_LOOKUP |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 770 | select ARCH_USES_GETTIMEOFFSET |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 771 | select HAVE_S3C2410_I2C if I2C |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 772 | select HAVE_S3C_RTC if RTC_CLASS |
| 773 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 774 | select NEED_MACH_IO_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | help |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 776 | Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443 |
| 777 | and S3C2450 SoCs based systems, such as the Simtec Electronics BAST |
| 778 | (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the |
| 779 | Samsung SMDK2410 development board (and derivatives). |
Ben Dooks | 63b1f51 | 2010-04-30 16:32:26 +0900 | [diff] [blame] | 780 | |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 781 | config ARCH_S3C64XX |
| 782 | bool "Samsung S3C64XX" |
Ben Dooks | 89f1fa0 | 2010-01-29 09:02:17 +0000 | [diff] [blame] | 783 | select PLAT_SAMSUNG |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 784 | select CPU_V6 |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 785 | select ARM_VIC |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 786 | select HAVE_CLK |
Mark Brown | 6700397 | 2011-10-11 08:57:11 +0900 | [diff] [blame] | 787 | select HAVE_TCM |
Thomas Abraham | 226e85f | 2011-06-14 19:12:26 +0900 | [diff] [blame] | 788 | select CLKDEV_LOOKUP |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 789 | select NO_IOPORT |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 790 | select ARCH_USES_GETTIMEOFFSET |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 791 | select ARCH_HAS_CPUFREQ |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 792 | select ARCH_REQUIRE_GPIOLIB |
| 793 | select SAMSUNG_CLKSRC |
| 794 | select SAMSUNG_IRQ_VIC_TIMER |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 795 | select S3C_GPIO_TRACK |
Ben Dooks | 89f0ce7 | 2010-01-26 15:49:15 +0900 | [diff] [blame] | 796 | select S3C_DEV_NAND |
| 797 | select USB_ARCH_HAS_OHCI |
| 798 | select SAMSUNG_GPIOLIB_4BIT |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 799 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 800 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 801 | help |
| 802 | Samsung S3C64XX series based systems |
| 803 | |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 804 | config ARCH_S5P64X0 |
| 805 | bool "Samsung S5P6440 S5P6450" |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 806 | select CPU_V6 |
| 807 | select GENERIC_GPIO |
| 808 | select HAVE_CLK |
Thomas Abraham | d8b22d2 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 809 | select CLKDEV_LOOKUP |
Chanwoo Choi | 0665ccc | 2011-07-18 15:07:14 +0900 | [diff] [blame] | 810 | select CLKSRC_MMIO |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 811 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Sangbeom Kim | 9e65bbf | 2011-03-12 08:05:19 +0900 | [diff] [blame] | 812 | select GENERIC_CLOCKEVENTS |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 813 | select HAVE_S3C2410_I2C if I2C |
Kukjin Kim | 754961a | 2010-11-13 16:11:46 +0900 | [diff] [blame] | 814 | select HAVE_S3C_RTC if RTC_CLASS |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 815 | help |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 816 | Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, |
| 817 | SMDK6450. |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 818 | |
Marek Szyprowski | acc8470 | 2010-05-20 07:51:08 +0200 | [diff] [blame] | 819 | config ARCH_S5PC100 |
| 820 | bool "Samsung S5PC100" |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 821 | select GENERIC_GPIO |
| 822 | select HAVE_CLK |
Thomas Abraham | 29e8eb0 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 823 | select CLKDEV_LOOKUP |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 824 | select CPU_V7 |
Ben Dooks | 925c68c | 2010-05-20 20:48:28 +0900 | [diff] [blame] | 825 | select ARCH_USES_GETTIMEOFFSET |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 826 | select HAVE_S3C2410_I2C if I2C |
Kukjin Kim | 754961a | 2010-11-13 16:11:46 +0900 | [diff] [blame] | 827 | select HAVE_S3C_RTC if RTC_CLASS |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 828 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 829 | help |
Marek Szyprowski | acc8470 | 2010-05-20 07:51:08 +0200 | [diff] [blame] | 830 | Samsung S5PC100 series based systems |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 831 | |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 832 | config ARCH_S5PV210 |
| 833 | bool "Samsung S5PV210/S5PC110" |
| 834 | select CPU_V7 |
Kyungmin Park | eecb6a8 | 2010-09-29 21:29:27 +0900 | [diff] [blame] | 835 | select ARCH_SPARSEMEM_ENABLE |
Kamil Debski | 0f75a96 | 2011-07-21 16:42:30 +0900 | [diff] [blame] | 836 | select ARCH_HAS_HOLES_MEMORYMODEL |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 837 | select GENERIC_GPIO |
| 838 | select HAVE_CLK |
Thomas Abraham | b2a9dd4 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 839 | select CLKDEV_LOOKUP |
Chanwoo Choi | 0665ccc | 2011-07-18 15:07:14 +0900 | [diff] [blame] | 840 | select CLKSRC_MMIO |
Jaecheol Lee | d8144ae | 2010-10-12 09:23:19 +0900 | [diff] [blame] | 841 | select ARCH_HAS_CPUFREQ |
Sangbeom Kim | 9e65bbf | 2011-03-12 08:05:19 +0900 | [diff] [blame] | 842 | select GENERIC_CLOCKEVENTS |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 843 | select HAVE_S3C2410_I2C if I2C |
Kukjin Kim | 754961a | 2010-11-13 16:11:46 +0900 | [diff] [blame] | 844 | select HAVE_S3C_RTC if RTC_CLASS |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 845 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 846 | select NEED_MACH_MEMORY_H |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 847 | help |
| 848 | Samsung S5PV210/S5PC110 series based systems |
| 849 | |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 850 | config ARCH_EXYNOS |
| 851 | bool "SAMSUNG EXYNOS" |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 852 | select CPU_V7 |
Kyungmin Park | f567fa6 | 2010-09-29 21:33:29 +0900 | [diff] [blame] | 853 | select ARCH_SPARSEMEM_ENABLE |
Kamil Debski | 0f75a96 | 2011-07-21 16:42:30 +0900 | [diff] [blame] | 854 | select ARCH_HAS_HOLES_MEMORYMODEL |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 855 | select GENERIC_GPIO |
| 856 | select HAVE_CLK |
Thomas Abraham | badc4f2 | 2011-06-14 19:12:27 +0900 | [diff] [blame] | 857 | select CLKDEV_LOOKUP |
Sunyoung Kang | b333fb1 | 2010-09-16 11:11:45 +0900 | [diff] [blame] | 858 | select ARCH_HAS_CPUFREQ |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 859 | select GENERIC_CLOCKEVENTS |
Kukjin Kim | 754961a | 2010-11-13 16:11:46 +0900 | [diff] [blame] | 860 | select HAVE_S3C_RTC if RTC_CLASS |
Kukjin Kim | 20676c1 | 2010-11-13 16:08:32 +0900 | [diff] [blame] | 861 | select HAVE_S3C2410_I2C if I2C |
Kyungmin Park | c39d8d5 | 2010-11-13 16:01:59 +0900 | [diff] [blame] | 862 | select HAVE_S3C2410_WATCHDOG if WATCHDOG |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 863 | select NEED_MACH_MEMORY_H |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 864 | help |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 865 | Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5) |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 866 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 867 | config ARCH_SHARK |
| 868 | bool "Shark" |
Russell King | c750815 | 2008-10-26 10:55:14 +0000 | [diff] [blame] | 869 | select CPU_SA110 |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 870 | select ISA |
| 871 | select ISA_DMA |
Nicolas Pitre | 3bca103 | 2008-10-07 20:14:55 +0100 | [diff] [blame] | 872 | select ZONE_DMA |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 873 | select PCI |
John Stultz | 5cfc8ee | 2010-03-24 00:22:36 +0000 | [diff] [blame] | 874 | select ARCH_USES_GETTIMEOFFSET |
Nicolas Pitre | 0cdc8b9 | 2011-09-02 22:26:55 -0400 | [diff] [blame] | 875 | select NEED_MACH_MEMORY_H |
Rob Herring | c334bc1 | 2012-03-04 22:03:33 -0600 | [diff] [blame] | 876 | select NEED_MACH_IO_H |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 877 | help |
| 878 | Support for the StrongARM based Digital DNARD machine, also known |
| 879 | as "Shark" (<http://www.shark-linux.de/shark.html>). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 881 | config ARCH_U300 |
| 882 | bool "ST-Ericsson U300 Series" |
| 883 | depends on MMU |
Russell King | 234b6ced | 2011-05-08 14:09:47 +0100 | [diff] [blame] | 884 | select CLKSRC_MMIO |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 885 | select CPU_ARM926T |
Linus Walleij | bc58177 | 2009-09-15 17:30:37 +0100 | [diff] [blame] | 886 | select HAVE_TCM |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 887 | select ARM_AMBA |
Linus Walleij | 5485c1e | 2011-08-09 21:18:20 +0200 | [diff] [blame] | 888 | select ARM_PATCH_PHYS_VIRT |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 889 | select ARM_VIC |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 890 | select GENERIC_CLOCKEVENTS |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 891 | select CLKDEV_LOOKUP |
Kyungmin Park | aa3831c | 2011-07-18 16:34:54 +0900 | [diff] [blame] | 892 | select HAVE_MACH_CLKDEV |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 893 | select GENERIC_GPIO |
Linus Walleij | cc890cd | 2011-09-08 09:04:51 +0100 | [diff] [blame] | 894 | select ARCH_REQUIRE_GPIOLIB |
Linus Walleij | d98aac7 | 2009-04-27 10:21:46 +0100 | [diff] [blame] | 895 | help |
| 896 | Support for ST-Ericsson U300 series mobile platforms. |
| 897 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 898 | config ARCH_U8500 |
| 899 | bool "ST-Ericsson U8500 Series" |
Arnd Bergmann | 67ae14f | 2012-02-25 12:48:49 -0700 | [diff] [blame] | 900 | depends on MMU |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 901 | select CPU_V7 |
| 902 | select ARM_AMBA |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 903 | select GENERIC_CLOCKEVENTS |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 904 | select CLKDEV_LOOKUP |
Rabin Vincent | 94bdc0e | 2010-03-03 04:54:37 +0100 | [diff] [blame] | 905 | select ARCH_REQUIRE_GPIOLIB |
Martin Persson | 7c1a70e | 2010-12-08 15:13:42 +0100 | [diff] [blame] | 906 | select ARCH_HAS_CPUFREQ |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 907 | select HAVE_SMP |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 908 | select MIGHT_HAVE_CACHE_L2X0 |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 909 | help |
| 910 | Support for ST-Ericsson's Ux500 architecture |
| 911 | |
| 912 | config ARCH_NOMADIK |
| 913 | bool "STMicroelectronics Nomadik" |
| 914 | select ARM_AMBA |
| 915 | select ARM_VIC |
| 916 | select CPU_ARM926T |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 917 | select CLKDEV_LOOKUP |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 918 | select GENERIC_CLOCKEVENTS |
Arnd Bergmann | 0fa7be4 | 2012-05-15 11:24:34 +0000 | [diff] [blame] | 919 | select PINCTRL |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 920 | select MIGHT_HAVE_CACHE_L2X0 |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 921 | select ARCH_REQUIRE_GPIOLIB |
| 922 | help |
| 923 | Support for the Nomadik platform by ST-Ericsson |
| 924 | |
Kevin Hilman | 7c6337e | 2007-04-30 19:37:19 +0100 | [diff] [blame] | 925 | config ARCH_DAVINCI |
| 926 | bool "TI DaVinci" |
Kevin Hilman | 7c6337e | 2007-04-30 19:37:19 +0100 | [diff] [blame] | 927 | select GENERIC_CLOCKEVENTS |
David Brownell | dce1115 | 2008-09-07 23:41:04 -0700 | [diff] [blame] | 928 | select ARCH_REQUIRE_GPIOLIB |
Nicolas Pitre | 3bca103 | 2008-10-07 20:14:55 +0100 | [diff] [blame] | 929 | select ZONE_DMA |
Kevin Hilman | 9232fcc | 2009-04-08 14:49:38 -0700 | [diff] [blame] | 930 | select HAVE_IDE |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 931 | select CLKDEV_LOOKUP |
David Brownell | 20e9969 | 2009-05-07 09:31:42 -0700 | [diff] [blame] | 932 | select GENERIC_ALLOCATOR |
Russell King | dc7ad3b | 2011-05-22 10:01:21 +0100 | [diff] [blame] | 933 | select GENERIC_IRQ_CHIP |
Sekhar Nori | ae88e05 | 2009-11-19 15:34:01 +0530 | [diff] [blame] | 934 | select ARCH_HAS_HOLES_MEMORYMODEL |
Kevin Hilman | 7c6337e | 2007-04-30 19:37:19 +0100 | [diff] [blame] | 935 | help |
| 936 | Support for TI's DaVinci platform. |
| 937 | |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 938 | config ARCH_OMAP |
| 939 | bool "TI OMAP" |
David Brownell | 9483a57 | 2008-07-23 21:26:48 -0700 | [diff] [blame] | 940 | select HAVE_CLK |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 941 | select ARCH_REQUIRE_GPIOLIB |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 942 | select ARCH_HAS_CPUFREQ |
Russell King - ARM Linux | 354a183 | 2011-07-10 23:05:34 -0700 | [diff] [blame] | 943 | select CLKSRC_MMIO |
Kevin Hilman | 06cad09 | 2007-10-18 23:04:43 -0700 | [diff] [blame] | 944 | select GENERIC_CLOCKEVENTS |
Sriram | 9af915d | 2010-01-29 14:20:05 -0800 | [diff] [blame] | 945 | select ARCH_HAS_HOLES_MEMORYMODEL |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 946 | help |
Lennert Buytenhek | 6e457bb | 2010-09-22 20:40:57 +0200 | [diff] [blame] | 947 | Support for TI's OMAP platform (OMAP1/2/3/4). |
Russell King | 3b938be | 2007-05-12 11:25:44 +0100 | [diff] [blame] | 948 | |
viresh kumar | cee37e5 | 2010-04-01 12:31:05 +0100 | [diff] [blame] | 949 | config PLAT_SPEAR |
| 950 | bool "ST SPEAr" |
| 951 | select ARM_AMBA |
| 952 | select ARCH_REQUIRE_GPIOLIB |
Jean-Christop PLAGNIOL-VILLARD | 6d803ba | 2010-11-17 10:04:33 +0100 | [diff] [blame] | 953 | select CLKDEV_LOOKUP |
Viresh Kumar | 5df33a6 | 2012-04-10 09:02:35 +0530 | [diff] [blame] | 954 | select COMMON_CLK |
Russell King | d6e15d7 | 2011-05-08 17:10:14 +0100 | [diff] [blame] | 955 | select CLKSRC_MMIO |
viresh kumar | cee37e5 | 2010-04-01 12:31:05 +0100 | [diff] [blame] | 956 | select GENERIC_CLOCKEVENTS |
viresh kumar | cee37e5 | 2010-04-01 12:31:05 +0100 | [diff] [blame] | 957 | select HAVE_CLK |
| 958 | help |
| 959 | Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx). |
| 960 | |
Alexey Charkov | 21f47fb | 2010-12-23 13:11:21 +0100 | [diff] [blame] | 961 | config ARCH_VT8500 |
| 962 | bool "VIA/WonderMedia 85xx" |
| 963 | select CPU_ARM926T |
| 964 | select GENERIC_GPIO |
| 965 | select ARCH_HAS_CPUFREQ |
| 966 | select GENERIC_CLOCKEVENTS |
| 967 | select ARCH_REQUIRE_GPIOLIB |
| 968 | select HAVE_PWM |
| 969 | help |
| 970 | Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip. |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 971 | |
John Linn | b85a3ef | 2011-06-20 11:47:27 -0600 | [diff] [blame] | 972 | config ARCH_ZYNQ |
| 973 | bool "Xilinx Zynq ARM Cortex A9 Platform" |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 974 | select CPU_V7 |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 975 | select GENERIC_CLOCKEVENTS |
| 976 | select CLKDEV_LOOKUP |
John Linn | b85a3ef | 2011-06-20 11:47:27 -0600 | [diff] [blame] | 977 | select ARM_GIC |
| 978 | select ARM_AMBA |
| 979 | select ICST |
Dave Martin | ce5ea9f | 2011-11-29 15:56:19 +0000 | [diff] [blame] | 980 | select MIGHT_HAVE_CACHE_L2X0 |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 981 | select USE_OF |
Binghua Duan | 02c981c | 2011-07-08 17:40:12 +0800 | [diff] [blame] | 982 | help |
John Linn | b85a3ef | 2011-06-20 11:47:27 -0600 | [diff] [blame] | 983 | Support for Xilinx Zynq ARM Cortex A9 Platform |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | endchoice |
| 985 | |
Russell King | ccf50e2 | 2010-03-15 19:03:06 +0000 | [diff] [blame] | 986 | # |
| 987 | # This is sorted alphabetically by mach-* pathname. However, plat-* |
| 988 | # Kconfigs may be included either alphabetically (according to the |
| 989 | # plat- suffix) or along side the corresponding mach-* source. |
| 990 | # |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 991 | source "arch/arm/mach-at91/Kconfig" |
| 992 | |
| 993 | source "arch/arm/mach-bcmring/Kconfig" |
| 994 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | source "arch/arm/mach-clps711x/Kconfig" |
| 996 | |
Anton Vorontsov | d94f944 | 2010-03-25 17:12:41 +0300 | [diff] [blame] | 997 | source "arch/arm/mach-cns3xxx/Kconfig" |
| 998 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 999 | source "arch/arm/mach-davinci/Kconfig" |
| 1000 | |
| 1001 | source "arch/arm/mach-dove/Kconfig" |
| 1002 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 1003 | source "arch/arm/mach-ep93xx/Kconfig" |
| 1004 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | source "arch/arm/mach-footbridge/Kconfig" |
| 1006 | |
Paulius Zaleckas | 59d3a19 | 2009-03-26 10:06:08 +0200 | [diff] [blame] | 1007 | source "arch/arm/mach-gemini/Kconfig" |
| 1008 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1009 | source "arch/arm/mach-h720x/Kconfig" |
| 1010 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | source "arch/arm/mach-integrator/Kconfig" |
| 1012 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 1013 | source "arch/arm/mach-iop32x/Kconfig" |
| 1014 | |
| 1015 | source "arch/arm/mach-iop33x/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | |
Dan Williams | 285f5fa | 2006-12-07 02:59:39 +0100 | [diff] [blame] | 1017 | source "arch/arm/mach-iop13xx/Kconfig" |
| 1018 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | source "arch/arm/mach-ixp4xx/Kconfig" |
| 1020 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1021 | source "arch/arm/mach-kirkwood/Kconfig" |
| 1022 | |
| 1023 | source "arch/arm/mach-ks8695/Kconfig" |
| 1024 | |
Kevin Wells | 4080594 | 2010-07-27 08:49:04 -0700 | [diff] [blame] | 1025 | source "arch/arm/mach-lpc32xx/Kconfig" |
| 1026 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1027 | source "arch/arm/mach-msm/Kconfig" |
| 1028 | |
Stanislav Samsonov | 794d15b | 2008-06-22 22:45:10 +0200 | [diff] [blame] | 1029 | source "arch/arm/mach-mv78xx0/Kconfig" |
| 1030 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1031 | source "arch/arm/plat-mxc/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | |
Shawn Guo | 1d3f33d | 2010-12-13 20:55:03 +0800 | [diff] [blame] | 1033 | source "arch/arm/mach-mxs/Kconfig" |
| 1034 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1035 | source "arch/arm/mach-netx/Kconfig" |
Eric Miao | 49cbe78 | 2009-01-20 14:15:18 +0800 | [diff] [blame] | 1036 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1037 | source "arch/arm/mach-nomadik/Kconfig" |
| 1038 | source "arch/arm/plat-nomadik/Kconfig" |
| 1039 | |
Tony Lindgren | d48af15 | 2005-07-10 19:58:17 +0100 | [diff] [blame] | 1040 | source "arch/arm/plat-omap/Kconfig" |
| 1041 | |
| 1042 | source "arch/arm/mach-omap1/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 1044 | source "arch/arm/mach-omap2/Kconfig" |
| 1045 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 1046 | source "arch/arm/mach-orion5x/Kconfig" |
Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 1047 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1048 | source "arch/arm/mach-pxa/Kconfig" |
| 1049 | source "arch/arm/plat-pxa/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1051 | source "arch/arm/mach-mmp/Kconfig" |
| 1052 | |
| 1053 | source "arch/arm/mach-realview/Kconfig" |
| 1054 | |
| 1055 | source "arch/arm/mach-sa1100/Kconfig" |
Saeed Bishara | edabd38 | 2009-08-06 15:12:43 +0300 | [diff] [blame] | 1056 | |
Ben Dooks | cf38367 | 2009-11-10 00:14:58 +0000 | [diff] [blame] | 1057 | source "arch/arm/plat-samsung/Kconfig" |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1058 | source "arch/arm/plat-s3c24xx/Kconfig" |
| 1059 | |
viresh kumar | cee37e5 | 2010-04-01 12:31:05 +0100 | [diff] [blame] | 1060 | source "arch/arm/plat-spear/Kconfig" |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1061 | |
Kukjin Kim | 85fd6d6 | 2012-02-06 09:38:19 +0900 | [diff] [blame] | 1062 | source "arch/arm/mach-s3c24xx/Kconfig" |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 1063 | if ARCH_S3C24XX |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1064 | source "arch/arm/mach-s3c2412/Kconfig" |
| 1065 | source "arch/arm/mach-s3c2440/Kconfig" |
Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1066 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 1068 | if ARCH_S3C64XX |
Ben Dooks | 431107e | 2010-01-26 10:11:04 +0900 | [diff] [blame] | 1069 | source "arch/arm/mach-s3c64xx/Kconfig" |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 1070 | endif |
| 1071 | |
Kukjin Kim | 49b7a49 | 2010-09-07 15:47:18 +0900 | [diff] [blame] | 1072 | source "arch/arm/mach-s5p64x0/Kconfig" |
Kukjin Kim | c4ffccd | 2010-01-14 08:19:36 +0900 | [diff] [blame] | 1073 | |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 1074 | source "arch/arm/mach-s5pc100/Kconfig" |
Byungho Min | 5a7652f | 2009-06-23 21:39:42 +0900 | [diff] [blame] | 1075 | |
Kukjin Kim | 170f4e4 | 2010-02-24 16:40:44 +0900 | [diff] [blame] | 1076 | source "arch/arm/mach-s5pv210/Kconfig" |
| 1077 | |
Kukjin Kim | 8301457 | 2011-11-06 13:54:56 +0900 | [diff] [blame] | 1078 | source "arch/arm/mach-exynos/Kconfig" |
Changhwan Youn | cc0e72b | 2010-07-16 12:15:38 +0900 | [diff] [blame] | 1079 | |
Russell King | 882d01f | 2010-03-02 23:40:15 +0000 | [diff] [blame] | 1080 | source "arch/arm/mach-shmobile/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | |
Erik Gilling | c5f8006 | 2010-01-21 16:53:02 -0800 | [diff] [blame] | 1082 | source "arch/arm/mach-tegra/Kconfig" |
| 1083 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1084 | source "arch/arm/mach-u300/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1085 | |
Russell King | 95b8f20 | 2010-01-14 11:43:54 +0000 | [diff] [blame] | 1086 | source "arch/arm/mach-ux500/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | |
| 1088 | source "arch/arm/mach-versatile/Kconfig" |
| 1089 | |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 1090 | source "arch/arm/mach-vexpress/Kconfig" |
Russell King | 420c34e | 2011-01-18 20:08:06 +0000 | [diff] [blame] | 1091 | source "arch/arm/plat-versatile/Kconfig" |
Russell King | ceade89 | 2010-02-11 21:44:53 +0000 | [diff] [blame] | 1092 | |
Alexey Charkov | 21f47fb | 2010-12-23 13:11:21 +0100 | [diff] [blame] | 1093 | source "arch/arm/mach-vt8500/Kconfig" |
| 1094 | |
wanzongshun | 7ec80dd | 2008-12-03 03:55:38 +0100 | [diff] [blame] | 1095 | source "arch/arm/mach-w90x900/Kconfig" |
| 1096 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | # Definitions to make life easier |
| 1098 | config ARCH_ACORN |
| 1099 | bool |
| 1100 | |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 1101 | config PLAT_IOP |
| 1102 | bool |
Mikael Pettersson | 469d3044 | 2009-10-29 11:46:54 -0700 | [diff] [blame] | 1103 | select GENERIC_CLOCKEVENTS |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 1104 | |
Lennert Buytenhek | 69b02f6 | 2008-03-27 14:51:39 -0400 | [diff] [blame] | 1105 | config PLAT_ORION |
| 1106 | bool |
Russell King | bfe45e0 | 2011-05-08 15:33:30 +0100 | [diff] [blame] | 1107 | select CLKSRC_MMIO |
Russell King | dc7ad3b | 2011-05-22 10:01:21 +0100 | [diff] [blame] | 1108 | select GENERIC_IRQ_CHIP |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 1109 | select COMMON_CLK |
Lennert Buytenhek | 69b02f6 | 2008-03-27 14:51:39 -0400 | [diff] [blame] | 1110 | |
Eric Miao | bd5ce43 | 2009-01-20 12:06:01 +0800 | [diff] [blame] | 1111 | config PLAT_PXA |
| 1112 | bool |
| 1113 | |
Russell King | f4b8b31 | 2010-01-14 12:48:06 +0000 | [diff] [blame] | 1114 | config PLAT_VERSATILE |
| 1115 | bool |
| 1116 | |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 1117 | config ARM_TIMER_SP804 |
| 1118 | bool |
Russell King | bfe45e0 | 2011-05-08 15:33:30 +0100 | [diff] [blame] | 1119 | select CLKSRC_MMIO |
Rob Herring | a7bf616 | 2011-12-12 15:29:08 -0600 | [diff] [blame] | 1120 | select HAVE_SCHED_CLOCK |
Russell King | e388771 | 2010-01-14 13:30:16 +0000 | [diff] [blame] | 1121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1122 | source arch/arm/mm/Kconfig |
| 1123 | |
Russell King | 958cab0 | 2011-12-11 10:04:00 +0000 | [diff] [blame] | 1124 | config ARM_NR_BANKS |
| 1125 | int |
| 1126 | default 16 if ARCH_EP93XX |
| 1127 | default 8 |
| 1128 | |
Lennert Buytenhek | afe4b25 | 2006-12-03 18:51:14 +0100 | [diff] [blame] | 1129 | config IWMMXT |
| 1130 | bool "Enable iWMMXt support" |
Haojian Zhuang | ef6c844 | 2010-11-24 11:54:25 +0800 | [diff] [blame] | 1131 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 |
| 1132 | default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP |
Lennert Buytenhek | afe4b25 | 2006-12-03 18:51:14 +0100 | [diff] [blame] | 1133 | help |
| 1134 | Enable support for iWMMXt context switching at run time if |
| 1135 | running on a CPU that supports it. |
| 1136 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | config XSCALE_PMU |
| 1138 | bool |
Paul Bolle | bfc994b | 2011-10-30 12:51:41 +0100 | [diff] [blame] | 1139 | depends on CPU_XSCALE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1140 | default y |
| 1141 | |
Jamie Iles | 0f4f067 | 2010-02-02 20:23:15 +0100 | [diff] [blame] | 1142 | config CPU_HAS_PMU |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 1143 | depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \ |
Will Deacon | 8954bb0 | 2010-06-21 15:32:54 +0100 | [diff] [blame] | 1144 | (!ARCH_OMAP3 || OMAP3_EMU) |
Jamie Iles | 0f4f067 | 2010-02-02 20:23:15 +0100 | [diff] [blame] | 1145 | default y |
| 1146 | bool |
| 1147 | |
eric miao | 5210864 | 2010-12-13 09:42:34 +0100 | [diff] [blame] | 1148 | config MULTI_IRQ_HANDLER |
| 1149 | bool |
| 1150 | help |
| 1151 | Allow each machine to specify it's own IRQ handler at run time. |
| 1152 | |
Hyok S. Choi | 3b93e7b | 2006-06-22 11:48:56 +0100 | [diff] [blame] | 1153 | if !MMU |
| 1154 | source "arch/arm/Kconfig-nommu" |
| 1155 | endif |
| 1156 | |
Will Deacon | f0c4b8d | 2012-04-20 17:20:08 +0100 | [diff] [blame] | 1157 | config ARM_ERRATA_326103 |
| 1158 | bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory" |
| 1159 | depends on CPU_V6 |
| 1160 | help |
| 1161 | Executing a SWP instruction to read-only memory does not set bit 11 |
| 1162 | of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to |
| 1163 | treat the access as a read, preventing a COW from occurring and |
| 1164 | causing the faulting task to livelock. |
| 1165 | |
Catalin Marinas | 9cba3cc | 2009-04-30 17:06:03 +0100 | [diff] [blame] | 1166 | config ARM_ERRATA_411920 |
| 1167 | bool "ARM errata: Invalidation of the Instruction Cache operation can fail" |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 1168 | depends on CPU_V6 || CPU_V6K |
Catalin Marinas | 9cba3cc | 2009-04-30 17:06:03 +0100 | [diff] [blame] | 1169 | help |
| 1170 | Invalidation of the Instruction Cache operation can |
| 1171 | fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. |
| 1172 | It does not affect the MPCore. This option enables the ARM Ltd. |
| 1173 | recommended workaround. |
| 1174 | |
Catalin Marinas | 7ce236f | 2009-04-30 17:06:09 +0100 | [diff] [blame] | 1175 | config ARM_ERRATA_430973 |
| 1176 | bool "ARM errata: Stale prediction on replaced interworking branch" |
| 1177 | depends on CPU_V7 |
| 1178 | help |
| 1179 | This option enables the workaround for the 430973 Cortex-A8 |
| 1180 | (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb |
| 1181 | interworking branch is replaced with another code sequence at the |
| 1182 | same virtual address, whether due to self-modifying code or virtual |
| 1183 | to physical address re-mapping, Cortex-A8 does not recover from the |
| 1184 | stale interworking branch prediction. This results in Cortex-A8 |
| 1185 | executing the new code sequence in the incorrect ARM or Thumb state. |
| 1186 | The workaround enables the BTB/BTAC operations by setting ACTLR.IBE |
| 1187 | and also flushes the branch target cache at every context switch. |
| 1188 | Note that setting specific bits in the ACTLR register may not be |
| 1189 | available in non-secure mode. |
| 1190 | |
Catalin Marinas | 855c551 | 2009-04-30 17:06:15 +0100 | [diff] [blame] | 1191 | config ARM_ERRATA_458693 |
| 1192 | bool "ARM errata: Processor deadlock when a false hazard is created" |
| 1193 | depends on CPU_V7 |
| 1194 | help |
| 1195 | This option enables the workaround for the 458693 Cortex-A8 (r2p0) |
| 1196 | erratum. For very specific sequences of memory operations, it is |
| 1197 | possible for a hazard condition intended for a cache line to instead |
| 1198 | be incorrectly associated with a different cache line. This false |
| 1199 | hazard might then cause a processor deadlock. The workaround enables |
| 1200 | the L1 caching of the NEON accesses and disables the PLD instruction |
| 1201 | in the ACTLR register. Note that setting specific bits in the ACTLR |
| 1202 | register may not be available in non-secure mode. |
| 1203 | |
Catalin Marinas | 0516e46 | 2009-04-30 17:06:20 +0100 | [diff] [blame] | 1204 | config ARM_ERRATA_460075 |
| 1205 | bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" |
| 1206 | depends on CPU_V7 |
| 1207 | help |
| 1208 | This option enables the workaround for the 460075 Cortex-A8 (r2p0) |
| 1209 | erratum. Any asynchronous access to the L2 cache may encounter a |
| 1210 | situation in which recent store transactions to the L2 cache are lost |
| 1211 | and overwritten with stale memory contents from external memory. The |
| 1212 | workaround disables the write-allocate mode for the L2 cache via the |
| 1213 | ACTLR register. Note that setting specific bits in the ACTLR register |
| 1214 | may not be available in non-secure mode. |
| 1215 | |
Will Deacon | 9f05027 | 2010-09-14 09:51:43 +0100 | [diff] [blame] | 1216 | config ARM_ERRATA_742230 |
| 1217 | bool "ARM errata: DMB operation may be faulty" |
| 1218 | depends on CPU_V7 && SMP |
| 1219 | help |
| 1220 | This option enables the workaround for the 742230 Cortex-A9 |
| 1221 | (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction |
| 1222 | between two write operations may not ensure the correct visibility |
| 1223 | ordering of the two writes. This workaround sets a specific bit in |
| 1224 | the diagnostic register of the Cortex-A9 which causes the DMB |
| 1225 | instruction to behave as a DSB, ensuring the correct behaviour of |
| 1226 | the two writes. |
| 1227 | |
Will Deacon | a672e99 | 2010-09-14 09:53:02 +0100 | [diff] [blame] | 1228 | config ARM_ERRATA_742231 |
| 1229 | bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" |
| 1230 | depends on CPU_V7 && SMP |
| 1231 | help |
| 1232 | This option enables the workaround for the 742231 Cortex-A9 |
| 1233 | (r2p0..r2p2) erratum. Under certain conditions, specific to the |
| 1234 | Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode, |
| 1235 | accessing some data located in the same cache line, may get corrupted |
| 1236 | data due to bad handling of the address hazard when the line gets |
| 1237 | replaced from one of the CPUs at the same time as another CPU is |
| 1238 | accessing it. This workaround sets specific bits in the diagnostic |
| 1239 | register of the Cortex-A9 which reduces the linefill issuing |
| 1240 | capabilities of the processor. |
| 1241 | |
Santosh Shilimkar | 9e65582 | 2010-02-04 19:42:42 +0100 | [diff] [blame] | 1242 | config PL310_ERRATA_588369 |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1243 | bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" |
Santosh Shilimkar | 2839e06 | 2011-03-08 06:59:54 +0100 | [diff] [blame] | 1244 | depends on CACHE_L2X0 |
Santosh Shilimkar | 9e65582 | 2010-02-04 19:42:42 +0100 | [diff] [blame] | 1245 | help |
| 1246 | The PL310 L2 cache controller implements three types of Clean & |
| 1247 | Invalidate maintenance operations: by Physical Address |
| 1248 | (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). |
| 1249 | They are architecturally defined to behave as the execution of a |
| 1250 | clean operation followed immediately by an invalidate operation, |
| 1251 | both performing to the same memory location. This functionality |
| 1252 | is not correctly implemented in PL310 as clean lines are not |
Santosh Shilimkar | 2839e06 | 2011-03-08 06:59:54 +0100 | [diff] [blame] | 1253 | invalidated as a result of these operations. |
Will Deacon | cdf357f | 2010-08-05 11:20:51 +0100 | [diff] [blame] | 1254 | |
| 1255 | config ARM_ERRATA_720789 |
| 1256 | bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID" |
Dave Martin | e66dc74 | 2011-12-08 13:37:46 +0100 | [diff] [blame] | 1257 | depends on CPU_V7 |
Will Deacon | cdf357f | 2010-08-05 11:20:51 +0100 | [diff] [blame] | 1258 | help |
| 1259 | This option enables the workaround for the 720789 Cortex-A9 (prior to |
| 1260 | r2p0) erratum. A faulty ASID can be sent to the other CPUs for the |
| 1261 | broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS. |
| 1262 | As a consequence of this erratum, some TLB entries which should be |
| 1263 | invalidated are not, resulting in an incoherency in the system page |
| 1264 | tables. The workaround changes the TLB flushing routines to invalidate |
| 1265 | entries regardless of the ASID. |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1266 | |
Russell King | 1f0090a | 2011-03-16 23:35:25 +0000 | [diff] [blame] | 1267 | config PL310_ERRATA_727915 |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1268 | 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] | 1269 | depends on CACHE_L2X0 |
| 1270 | help |
| 1271 | PL310 implements the Clean & Invalidate by Way L2 cache maintenance |
| 1272 | operation (offset 0x7FC). This operation runs in background so that |
| 1273 | PL310 can handle normal accesses while it is in progress. Under very |
| 1274 | rare circumstances, due to this erratum, write data can be lost when |
| 1275 | PL310 treats a cacheable write transaction during a Clean & |
| 1276 | Invalidate by Way operation. |
| 1277 | |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1278 | config ARM_ERRATA_743622 |
| 1279 | bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" |
| 1280 | depends on CPU_V7 |
| 1281 | help |
| 1282 | This option enables the workaround for the 743622 Cortex-A9 |
Will Deacon | efbc74a | 2012-02-24 12:12:38 +0100 | [diff] [blame] | 1283 | (r2p*) erratum. Under very rare conditions, a faulty |
Will Deacon | 475d92f | 2010-09-28 14:02:02 +0100 | [diff] [blame] | 1284 | optimisation in the Cortex-A9 Store Buffer may lead to data |
| 1285 | corruption. This workaround sets a specific bit in the diagnostic |
| 1286 | register of the Cortex-A9 which disables the Store Buffer |
| 1287 | optimisation, preventing the defect from occurring. This has no |
| 1288 | visible impact on the overall performance or power consumption of the |
| 1289 | processor. |
| 1290 | |
Will Deacon | 9a27c27 | 2011-02-18 16:36:35 +0100 | [diff] [blame] | 1291 | config ARM_ERRATA_751472 |
| 1292 | bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" |
Dave Martin | ba90c51 | 2011-12-08 13:41:06 +0100 | [diff] [blame] | 1293 | depends on CPU_V7 |
Will Deacon | 9a27c27 | 2011-02-18 16:36:35 +0100 | [diff] [blame] | 1294 | help |
| 1295 | This option enables the workaround for the 751472 Cortex-A9 (prior |
| 1296 | to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the |
| 1297 | completion of a following broadcasted operation if the second |
| 1298 | operation is received by a CPU before the ICIALLUIS has completed, |
| 1299 | potentially leading to corrupted entries in the cache or TLB. |
| 1300 | |
Will Deacon | fa0ce40 | 2011-11-14 17:24:57 +0100 | [diff] [blame] | 1301 | config PL310_ERRATA_753970 |
| 1302 | bool "PL310 errata: cache sync operation may be faulty" |
Srinidhi Kasagar | 885028e | 2011-02-17 07:03:51 +0100 | [diff] [blame] | 1303 | depends on CACHE_PL310 |
| 1304 | help |
| 1305 | This option enables the workaround for the 753970 PL310 (r3p0) erratum. |
| 1306 | |
| 1307 | Under some condition the effect of cache sync operation on |
| 1308 | the store buffer still remains when the operation completes. |
| 1309 | This means that the store buffer is always asked to drain and |
| 1310 | this prevents it from merging any further writes. The workaround |
| 1311 | is to replace the normal offset of cache sync operation (0x730) |
| 1312 | by another offset targeting an unmapped PL310 register 0x740. |
| 1313 | This has the same effect as the cache sync operation: store buffer |
| 1314 | drain and waiting for all buffers empty. |
| 1315 | |
Will Deacon | fcbdc5fe | 2011-02-28 18:15:16 +0100 | [diff] [blame] | 1316 | config ARM_ERRATA_754322 |
| 1317 | bool "ARM errata: possible faulty MMU translations following an ASID switch" |
| 1318 | depends on CPU_V7 |
| 1319 | help |
| 1320 | This option enables the workaround for the 754322 Cortex-A9 (r2p*, |
| 1321 | r3p*) erratum. A speculative memory access may cause a page table walk |
| 1322 | which starts prior to an ASID switch but completes afterwards. This |
| 1323 | can populate the micro-TLB with a stale entry which may be hit with |
| 1324 | the new ASID. This workaround places two dsb instructions in the mm |
| 1325 | switching code so that no page table walks can cross the ASID switch. |
| 1326 | |
Will Deacon | 5dab26af | 2011-03-04 12:38:54 +0100 | [diff] [blame] | 1327 | config ARM_ERRATA_754327 |
| 1328 | bool "ARM errata: no automatic Store Buffer drain" |
| 1329 | depends on CPU_V7 && SMP |
| 1330 | help |
| 1331 | This option enables the workaround for the 754327 Cortex-A9 (prior to |
| 1332 | r2p0) erratum. The Store Buffer does not have any automatic draining |
| 1333 | mechanism and therefore a livelock may occur if an external agent |
| 1334 | continuously polls a memory location waiting to observe an update. |
| 1335 | This workaround defines cpu_relax() as smp_mb(), preventing correctly |
| 1336 | written polling loops from denying visibility of updates to memory. |
| 1337 | |
Catalin Marinas | 145e10e | 2011-08-15 11:04:41 +0100 | [diff] [blame] | 1338 | config ARM_ERRATA_364296 |
| 1339 | bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" |
| 1340 | depends on CPU_V6 && !SMP |
| 1341 | help |
| 1342 | This options enables the workaround for the 364296 ARM1136 |
| 1343 | r0p2 erratum (possible cache data corruption with |
| 1344 | hit-under-miss enabled). It sets the undocumented bit 31 in |
| 1345 | the auxiliary control register and the FI bit in the control |
| 1346 | register, thus disabling hit-under-miss without putting the |
| 1347 | processor into full low interrupt latency mode. ARM11MPCore |
| 1348 | is not affected. |
| 1349 | |
Will Deacon | f630c1b | 2011-09-15 11:45:15 +0100 | [diff] [blame] | 1350 | config ARM_ERRATA_764369 |
| 1351 | bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" |
| 1352 | depends on CPU_V7 && SMP |
| 1353 | help |
| 1354 | This option enables the workaround for erratum 764369 |
| 1355 | affecting Cortex-A9 MPCore with two or more processors (all |
| 1356 | current revisions). Under certain timing circumstances, a data |
| 1357 | cache line maintenance operation by MVA targeting an Inner |
| 1358 | Shareable memory region may fail to proceed up to either the |
| 1359 | Point of Coherency or to the Point of Unification of the |
| 1360 | system. This workaround adds a DSB instruction before the |
| 1361 | relevant cache maintenance functions and sets a specific bit |
| 1362 | in the diagnostic control register of the SCU. |
| 1363 | |
Will Deacon | 11ed0ba | 2011-11-14 17:24:58 +0100 | [diff] [blame] | 1364 | config PL310_ERRATA_769419 |
| 1365 | bool "PL310 errata: no automatic Store Buffer drain" |
| 1366 | depends on CACHE_L2X0 |
| 1367 | help |
| 1368 | On revisions of the PL310 prior to r3p2, the Store Buffer does |
| 1369 | not automatically drain. This can cause normal, non-cacheable |
| 1370 | writes to be retained when the memory system is idle, leading |
| 1371 | to suboptimal I/O performance for drivers using coherent DMA. |
| 1372 | This option adds a write barrier to the cpu_idle loop so that, |
| 1373 | on systems with an outer cache, the store buffer is drained |
| 1374 | explicitly. |
| 1375 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1376 | endmenu |
| 1377 | |
| 1378 | source "arch/arm/common/Kconfig" |
| 1379 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | menu "Bus support" |
| 1381 | |
| 1382 | config ARM_AMBA |
| 1383 | bool |
| 1384 | |
| 1385 | config ISA |
| 1386 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | help |
| 1388 | Find out whether you have ISA slots on your motherboard. ISA is the |
| 1389 | name of a bus system, i.e. the way the CPU talks to the other stuff |
| 1390 | inside your box. Other bus systems are PCI, EISA, MicroChannel |
| 1391 | (MCA) or VESA. ISA is an older system, now being displaced by PCI; |
| 1392 | newer boards don't support it. If you have ISA, say Y, otherwise N. |
| 1393 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1394 | # Select ISA DMA controller support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1395 | config ISA_DMA |
| 1396 | bool |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1397 | select ISA_DMA_API |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 1399 | # Select ISA DMA interface |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 1400 | config ISA_DMA_API |
| 1401 | bool |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 1402 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | config PCI |
Hans Ulli Kroll | 0b05da7 | 2010-12-02 12:32:15 +0100 | [diff] [blame] | 1404 | bool "PCI support" if MIGHT_HAVE_PCI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | help |
| 1406 | Find out whether you have a PCI motherboard. PCI is the name of a |
| 1407 | bus system, i.e. the way the CPU talks to the other stuff inside |
| 1408 | your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or |
| 1409 | VESA. If you have PCI, say Y, otherwise N. |
| 1410 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 1411 | config PCI_DOMAINS |
| 1412 | bool |
| 1413 | depends on PCI |
| 1414 | |
Marcelo Roberto Jimenez | b080ac8 | 2010-12-16 21:34:51 +0100 | [diff] [blame] | 1415 | config PCI_NANOENGINE |
| 1416 | bool "BSE nanoEngine PCI support" |
| 1417 | depends on SA1100_NANOENGINE |
| 1418 | help |
| 1419 | Enable PCI on the BSE nanoEngine board. |
| 1420 | |
Matthew Wilcox | 36e2359 | 2007-07-10 10:54:40 -0600 | [diff] [blame] | 1421 | config PCI_SYSCALL |
| 1422 | def_bool PCI |
| 1423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | # Select the host bridge type |
| 1425 | config PCI_HOST_VIA82C505 |
| 1426 | bool |
| 1427 | depends on PCI && ARCH_SHARK |
| 1428 | default y |
| 1429 | |
Mike Rapoport | a0113a9 | 2007-11-25 08:55:34 +0100 | [diff] [blame] | 1430 | config PCI_HOST_ITE8152 |
| 1431 | bool |
| 1432 | depends on PCI && MACH_ARMCORE |
| 1433 | default y |
| 1434 | select DMABOUNCE |
| 1435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | source "drivers/pci/Kconfig" |
| 1437 | |
| 1438 | source "drivers/pcmcia/Kconfig" |
| 1439 | |
| 1440 | endmenu |
| 1441 | |
| 1442 | menu "Kernel Features" |
| 1443 | |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 1444 | config HAVE_SMP |
| 1445 | bool |
| 1446 | help |
| 1447 | This option should be selected by machines which have an SMP- |
| 1448 | capable CPU. |
| 1449 | |
| 1450 | The only effect of this option is to make the SMP-related |
| 1451 | options available to the user for configuration. |
| 1452 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | config SMP |
Russell King | bb2d813 | 2011-05-12 09:52:02 +0100 | [diff] [blame] | 1454 | bool "Symmetric Multi-Processing" |
Russell King | fbb4dda | 2011-01-17 18:01:58 +0000 | [diff] [blame] | 1455 | depends on CPU_V6K || CPU_V7 |
Russell King | bc28248 | 2009-05-17 18:58:34 +0100 | [diff] [blame] | 1456 | depends on GENERIC_CLOCKEVENTS |
Dave Martin | 3b55658 | 2011-12-07 15:38:04 +0000 | [diff] [blame] | 1457 | depends on HAVE_SMP |
Arnd Bergmann | 9934ebb | 2011-06-10 14:05:22 +0000 | [diff] [blame] | 1458 | depends on MMU |
Jens Axboe | f6dd9fa | 2008-06-10 20:48:30 +0200 | [diff] [blame] | 1459 | select USE_GENERIC_SMP_HELPERS |
Daniel Walker | 89c3ded | 2010-11-22 12:35:41 -0800 | [diff] [blame] | 1460 | select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | help |
| 1462 | This enables support for systems with more than one CPU. If you have |
| 1463 | a system with only one CPU, like most personal computers, say N. If |
| 1464 | you have a system with more than one CPU, say Y. |
| 1465 | |
| 1466 | If you say N here, the kernel will run on single and multiprocessor |
| 1467 | machines, but will use only one CPU of a multiprocessor machine. If |
| 1468 | you say Y here, the kernel will run on many, but not all, single |
| 1469 | processor machines. On a single processor machine, the kernel will |
| 1470 | run faster if you say N here. |
| 1471 | |
Paul Bolle | 395cf96 | 2011-08-15 02:02:26 +0200 | [diff] [blame] | 1472 | See also <file:Documentation/x86/i386/IO-APIC.txt>, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1473 | <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at |
Justin P. Mattock | 50a23e6 | 2010-10-16 10:36:23 -0700 | [diff] [blame] | 1474 | <http://tldp.org/HOWTO/SMP-HOWTO.html>. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1475 | |
| 1476 | If you don't know what to do here, say N. |
| 1477 | |
Russell King | f00ec48 | 2010-09-04 10:47:48 +0100 | [diff] [blame] | 1478 | config SMP_ON_UP |
| 1479 | bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" |
| 1480 | depends on EXPERIMENTAL |
Nicolas Pitre | 4d2692a | 2011-01-14 07:33:24 +0100 | [diff] [blame] | 1481 | depends on SMP && !XIP_KERNEL |
Russell King | f00ec48 | 2010-09-04 10:47:48 +0100 | [diff] [blame] | 1482 | default y |
| 1483 | help |
| 1484 | SMP kernels contain instructions which fail on non-SMP processors. |
| 1485 | Enabling this option allows the kernel to modify itself to make |
| 1486 | these instructions safe. Disabling it allows about 1K of space |
| 1487 | savings. |
| 1488 | |
| 1489 | If you don't know what to do here, say Y. |
| 1490 | |
Vincent Guittot | c9018aa | 2011-08-08 13:21:59 +0100 | [diff] [blame] | 1491 | config ARM_CPU_TOPOLOGY |
| 1492 | bool "Support cpu topology definition" |
| 1493 | depends on SMP && CPU_V7 |
| 1494 | default y |
| 1495 | help |
| 1496 | Support ARM cpu topology definition. The MPIDR register defines |
| 1497 | affinity between processors which is then used to describe the cpu |
| 1498 | topology of an ARM System. |
| 1499 | |
| 1500 | config SCHED_MC |
| 1501 | bool "Multi-core scheduler support" |
| 1502 | depends on ARM_CPU_TOPOLOGY |
| 1503 | help |
| 1504 | Multi-core scheduler support improves the CPU scheduler's decision |
| 1505 | making when dealing with multi-core CPU chips at a cost of slightly |
| 1506 | increased overhead in some places. If unsure say N here. |
| 1507 | |
| 1508 | config SCHED_SMT |
| 1509 | bool "SMT scheduler support" |
| 1510 | depends on ARM_CPU_TOPOLOGY |
| 1511 | help |
| 1512 | Improves the CPU scheduler's decision making when dealing with |
| 1513 | MultiThreading at a cost of slightly increased overhead in some |
| 1514 | places. If unsure say N here. |
| 1515 | |
Russell King | a8cbcd9 | 2009-05-16 11:51:14 +0100 | [diff] [blame] | 1516 | config HAVE_ARM_SCU |
| 1517 | bool |
Russell King | a8cbcd9 | 2009-05-16 11:51:14 +0100 | [diff] [blame] | 1518 | help |
| 1519 | This option enables support for the ARM system coherency unit |
| 1520 | |
Marc Zyngier | 022c03a | 2012-01-11 17:25:17 +0000 | [diff] [blame] | 1521 | config ARM_ARCH_TIMER |
| 1522 | bool "Architected timer support" |
| 1523 | depends on CPU_V7 |
| 1524 | help |
| 1525 | This option enables support for the ARM architected timer |
| 1526 | |
Russell King | f32f4ce | 2009-05-16 12:14:21 +0100 | [diff] [blame] | 1527 | config HAVE_ARM_TWD |
| 1528 | bool |
| 1529 | depends on SMP |
| 1530 | help |
| 1531 | This options enables support for the ARM timer and watchdog unit |
| 1532 | |
Lennert Buytenhek | 8d5796d | 2008-08-25 21:03:32 +0100 | [diff] [blame] | 1533 | choice |
| 1534 | prompt "Memory split" |
| 1535 | default VMSPLIT_3G |
| 1536 | help |
| 1537 | Select the desired split between kernel and user memory. |
| 1538 | |
| 1539 | If you are not absolutely sure what you are doing, leave this |
| 1540 | option alone! |
| 1541 | |
| 1542 | config VMSPLIT_3G |
| 1543 | bool "3G/1G user/kernel split" |
| 1544 | config VMSPLIT_2G |
| 1545 | bool "2G/2G user/kernel split" |
| 1546 | config VMSPLIT_1G |
| 1547 | bool "1G/3G user/kernel split" |
| 1548 | endchoice |
| 1549 | |
| 1550 | config PAGE_OFFSET |
| 1551 | hex |
| 1552 | default 0x40000000 if VMSPLIT_1G |
| 1553 | default 0x80000000 if VMSPLIT_2G |
| 1554 | default 0xC0000000 |
| 1555 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1556 | config NR_CPUS |
| 1557 | int "Maximum number of CPUs (2-32)" |
| 1558 | range 2 32 |
| 1559 | depends on SMP |
| 1560 | default "4" |
| 1561 | |
Russell King | a054a81 | 2005-11-02 22:24:33 +0000 | [diff] [blame] | 1562 | config HOTPLUG_CPU |
| 1563 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" |
| 1564 | depends on SMP && HOTPLUG && EXPERIMENTAL |
| 1565 | help |
| 1566 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 1567 | can be controlled through /sys/devices/system/cpu. |
| 1568 | |
Russell King | 37ee16a | 2005-11-08 19:08:05 +0000 | [diff] [blame] | 1569 | config LOCAL_TIMERS |
| 1570 | bool "Use local timer interrupts" |
Russell King | 971acb9 | 2010-09-04 08:16:30 +0100 | [diff] [blame] | 1571 | depends on SMP |
Russell King | 37ee16a | 2005-11-08 19:08:05 +0000 | [diff] [blame] | 1572 | default y |
Changhwan Youn | 30d8bea | 2011-03-11 10:39:57 +0900 | [diff] [blame] | 1573 | select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT) |
Russell King | 37ee16a | 2005-11-08 19:08:05 +0000 | [diff] [blame] | 1574 | help |
| 1575 | Enable support for local timers on SMP platforms, rather then the |
| 1576 | legacy IPI broadcast method. Local timers allows the system |
| 1577 | accounting to be spread across the timer interval, preventing a |
| 1578 | "thundering herd" at every timer tick. |
| 1579 | |
Peter De Schrijver (NVIDIA) | 44986ab | 2011-12-21 10:48:45 +0100 | [diff] [blame] | 1580 | config ARCH_NR_GPIO |
| 1581 | int |
Peter De Schrijver (NVIDIA) | 3dea19e | 2011-12-21 15:14:52 +0100 | [diff] [blame] | 1582 | default 1024 if ARCH_SHMOBILE || ARCH_TEGRA |
Philippe Langlais | 70227a4 | 2012-02-13 10:51:22 +0100 | [diff] [blame] | 1583 | default 355 if ARCH_U8500 |
Paul Parsons | 9a01ec3 | 2012-02-27 01:58:45 +0000 | [diff] [blame] | 1584 | default 264 if MACH_H4700 |
Peter De Schrijver (NVIDIA) | 44986ab | 2011-12-21 10:48:45 +0100 | [diff] [blame] | 1585 | default 0 |
| 1586 | help |
| 1587 | Maximum number of GPIOs in the system. |
| 1588 | |
| 1589 | If unsure, leave the default value. |
| 1590 | |
Uwe Kleine-König | d45a398 | 2009-08-13 20:38:17 +0200 | [diff] [blame] | 1591 | source kernel/Kconfig.preempt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1592 | |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 1593 | config HZ |
| 1594 | int |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 1595 | default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \ |
Kukjin Kim | a73ddc6 | 2011-05-11 16:27:51 +0900 | [diff] [blame] | 1596 | ARCH_S5PV210 || ARCH_EXYNOS4 |
Russell King | bfe6570 | 2006-03-04 11:01:53 +0000 | [diff] [blame] | 1597 | default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER |
David Brownell | 5248c65 | 2007-11-12 17:59:10 +0100 | [diff] [blame] | 1598 | default AT91_TIMER_HZ if ARCH_AT91 |
Magnus Damm | 5da3e71 | 2010-07-29 14:03:04 +0100 | [diff] [blame] | 1599 | default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 1600 | default 100 |
| 1601 | |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1602 | config THUMB2_KERNEL |
Russell King | 4a50bfe | 2010-12-05 23:06:22 +0000 | [diff] [blame] | 1603 | bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)" |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 1604 | depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1605 | select AEABI |
| 1606 | select ARM_ASM_UNIFIED |
Arnd Bergmann | 89bace6 | 2011-06-10 14:12:21 +0000 | [diff] [blame] | 1607 | select ARM_UNWIND |
Catalin Marinas | 16c7965 | 2009-07-24 12:33:02 +0100 | [diff] [blame] | 1608 | help |
| 1609 | By enabling this option, the kernel will be compiled in |
| 1610 | Thumb-2 mode. A compiler/assembler that understand the unified |
| 1611 | ARM-Thumb syntax is needed. |
| 1612 | |
| 1613 | If unsure, say N. |
| 1614 | |
Dave Martin | 6f685c5 | 2011-03-03 11:41:12 +0100 | [diff] [blame] | 1615 | config THUMB2_AVOID_R_ARM_THM_JUMP11 |
| 1616 | bool "Work around buggy Thumb-2 short branch relocations in gas" |
| 1617 | depends on THUMB2_KERNEL && MODULES |
| 1618 | default y |
| 1619 | help |
| 1620 | Various binutils versions can resolve Thumb-2 branches to |
| 1621 | locally-defined, preemptible global symbols as short-range "b.n" |
| 1622 | branch instructions. |
| 1623 | |
| 1624 | This is a problem, because there's no guarantee the final |
| 1625 | destination of the symbol, or any candidate locations for a |
| 1626 | trampoline, are within range of the branch. For this reason, the |
| 1627 | kernel does not support fixing up the R_ARM_THM_JUMP11 (102) |
| 1628 | relocation in modules at all, and it makes little sense to add |
| 1629 | support. |
| 1630 | |
| 1631 | The symptom is that the kernel fails with an "unsupported |
| 1632 | relocation" error when loading some modules. |
| 1633 | |
| 1634 | Until fixed tools are available, passing |
| 1635 | -fno-optimize-sibling-calls to gcc should prevent gcc generating |
| 1636 | code which hits this problem, at the cost of a bit of extra runtime |
| 1637 | stack usage in some cases. |
| 1638 | |
| 1639 | The problem is described in more detail at: |
| 1640 | https://bugs.launchpad.net/binutils-linaro/+bug/725126 |
| 1641 | |
| 1642 | Only Thumb-2 kernels are affected. |
| 1643 | |
| 1644 | Unless you are sure your tools don't have this problem, say Y. |
| 1645 | |
Catalin Marinas | 0becb08 | 2009-07-24 12:32:53 +0100 | [diff] [blame] | 1646 | config ARM_ASM_UNIFIED |
| 1647 | bool |
| 1648 | |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 1649 | config AEABI |
| 1650 | bool "Use the ARM EABI to compile the kernel" |
| 1651 | help |
| 1652 | This option allows for the kernel to be compiled using the latest |
| 1653 | ARM ABI (aka EABI). This is only useful if you are using a user |
| 1654 | space environment that is also compiled with EABI. |
| 1655 | |
| 1656 | Since there are major incompatibilities between the legacy ABI and |
| 1657 | EABI, especially with regard to structure member alignment, this |
| 1658 | option also changes the kernel syscall calling convention to |
| 1659 | disambiguate both ABIs and allow for backward compatibility support |
| 1660 | (selected with CONFIG_OABI_COMPAT). |
| 1661 | |
| 1662 | To use this you need GCC version 4.0.0 or later. |
| 1663 | |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1664 | config OABI_COMPAT |
Russell King | a73a3ff | 2006-02-08 21:09:55 +0000 | [diff] [blame] | 1665 | bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" |
Dave Martin | 9bc433a | 2011-02-11 16:41:20 +0100 | [diff] [blame] | 1666 | depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 1667 | default y |
| 1668 | help |
| 1669 | This option preserves the old syscall interface along with the |
| 1670 | new (ARM EABI) one. It also provides a compatibility layer to |
| 1671 | intercept syscalls that have structure arguments which layout |
| 1672 | in memory differs between the legacy ABI and the new ARM EABI |
| 1673 | (only for non "thumb" binaries). This option adds a tiny |
| 1674 | overhead to all syscalls and produces a slightly larger kernel. |
| 1675 | If you know you'll be using only pure EABI user space then you |
| 1676 | can say N here. If this option is not selected and you attempt |
| 1677 | to execute a legacy ABI binary then the result will be |
| 1678 | UNPREDICTABLE (in fact it can be predicted that it won't work |
| 1679 | at all). If in doubt say Y. |
| 1680 | |
Mel Gorman | eb33575 | 2009-05-13 17:34:48 +0100 | [diff] [blame] | 1681 | config ARCH_HAS_HOLES_MEMORYMODEL |
Mel Gorman | e80d6a2 | 2008-08-14 11:10:14 +0100 | [diff] [blame] | 1682 | bool |
Mel Gorman | e80d6a2 | 2008-08-14 11:10:14 +0100 | [diff] [blame] | 1683 | |
Russell King | 05944d7 | 2006-11-30 20:43:51 +0000 | [diff] [blame] | 1684 | config ARCH_SPARSEMEM_ENABLE |
| 1685 | bool |
| 1686 | |
Russell King | 07a2f73 | 2008-10-01 21:39:58 +0100 | [diff] [blame] | 1687 | config ARCH_SPARSEMEM_DEFAULT |
| 1688 | def_bool ARCH_SPARSEMEM_ENABLE |
| 1689 | |
Russell King | 05944d7 | 2006-11-30 20:43:51 +0000 | [diff] [blame] | 1690 | config ARCH_SELECT_MEMORY_MODEL |
Russell King | be37030 | 2010-05-07 17:40:33 +0100 | [diff] [blame] | 1691 | def_bool ARCH_SPARSEMEM_ENABLE |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 1692 | |
Will Deacon | 7b7bf49 | 2011-05-19 13:21:14 +0100 | [diff] [blame] | 1693 | config HAVE_ARCH_PFN_VALID |
| 1694 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM |
| 1695 | |
Nicolas Pitre | 053a96c | 2008-09-19 00:36:12 -0400 | [diff] [blame] | 1696 | config HIGHMEM |
Russell King | e8db89a | 2011-05-12 09:53:05 +0100 | [diff] [blame] | 1697 | bool "High Memory Support" |
| 1698 | depends on MMU |
Nicolas Pitre | 053a96c | 2008-09-19 00:36:12 -0400 | [diff] [blame] | 1699 | help |
| 1700 | The address space of ARM processors is only 4 Gigabytes large |
| 1701 | and it has to accommodate user address space, kernel address |
| 1702 | space as well as some memory mapped IO. That means that, if you |
| 1703 | have a large amount of physical memory and/or IO, not all of the |
| 1704 | memory can be "permanently mapped" by the kernel. The physical |
| 1705 | memory that is not permanently mapped is called "high memory". |
| 1706 | |
| 1707 | Depending on the selected kernel/user memory split, minimum |
| 1708 | vmalloc space and actual amount of RAM, you may not need this |
| 1709 | option which should result in a slightly faster kernel. |
| 1710 | |
| 1711 | If unsure, say n. |
| 1712 | |
Russell King | 65cec8e | 2009-08-17 20:02:06 +0100 | [diff] [blame] | 1713 | config HIGHPTE |
| 1714 | bool "Allocate 2nd-level pagetables from highmem" |
| 1715 | depends on HIGHMEM |
Russell King | 65cec8e | 2009-08-17 20:02:06 +0100 | [diff] [blame] | 1716 | |
Jamie Iles | 1b8873a | 2010-02-02 20:25:44 +0100 | [diff] [blame] | 1717 | config HW_PERF_EVENTS |
| 1718 | bool "Enable hardware performance counter support for perf events" |
Will Deacon | fe16614 | 2010-04-30 11:37:51 +0100 | [diff] [blame] | 1719 | depends on PERF_EVENTS && CPU_HAS_PMU |
Jamie Iles | 1b8873a | 2010-02-02 20:25:44 +0100 | [diff] [blame] | 1720 | default y |
| 1721 | help |
| 1722 | Enable hardware performance counter support for perf events. If |
| 1723 | disabled, perf events will use software events only. |
| 1724 | |
Dave Hansen | 3f22ab2 | 2005-06-23 00:07:43 -0700 | [diff] [blame] | 1725 | source "mm/Kconfig" |
| 1726 | |
Magnus Damm | c1b2d97 | 2010-07-05 10:00:11 +0100 | [diff] [blame] | 1727 | config FORCE_MAX_ZONEORDER |
| 1728 | int "Maximum zone order" if ARCH_SHMOBILE |
| 1729 | range 11 64 if ARCH_SHMOBILE |
| 1730 | default "9" if SA1111 |
| 1731 | default "11" |
| 1732 | help |
| 1733 | The kernel memory allocator divides physically contiguous memory |
| 1734 | blocks into "zones", where each zone is a power of two number of |
| 1735 | pages. This option selects the largest power of two that the kernel |
| 1736 | keeps in the memory allocator. If you need to allocate very large |
| 1737 | blocks of physically contiguous memory, then you may need to |
| 1738 | increase this value. |
| 1739 | |
| 1740 | This config option is actually maximum order plus one. For example, |
| 1741 | a value of 11 means that the largest free memory block is 2^10 pages. |
| 1742 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1743 | config LEDS |
| 1744 | bool "Timer and CPU usage LEDs" |
Adrian Bunk | e055d5bf | 2008-04-22 01:43:27 +0100 | [diff] [blame] | 1745 | depends on ARCH_CDB89712 || ARCH_EBSA110 || \ |
Sascha Hauer | 8c8fdbc | 2009-04-01 12:40:15 +0200 | [diff] [blame] | 1746 | ARCH_EBSA285 || ARCH_INTEGRATOR || \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1747 | ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ |
| 1748 | ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1749 | ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ |
Jürgen Schindele | 2532967 | 2008-09-16 21:36:30 +0100 | [diff] [blame] | 1750 | ARCH_AT91 || ARCH_DAVINCI || \ |
Colin Tuckley | ff3042f | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 1751 | ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1752 | help |
| 1753 | If you say Y here, the LEDs on your machine will be used |
| 1754 | to provide useful information about your current system status. |
| 1755 | |
| 1756 | If you are compiling a kernel for a NetWinder or EBSA-285, you will |
| 1757 | be able to select which LEDs are active using the options below. If |
| 1758 | you are compiling a kernel for the EBSA-110 or the LART however, the |
| 1759 | red LED will simply flash regularly to indicate that the system is |
| 1760 | still functional. It is safe to say Y here if you have a CATS |
| 1761 | system, but the driver will do nothing. |
| 1762 | |
| 1763 | config LEDS_TIMER |
| 1764 | bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \ |
David Brownell | eebdf7d7 | 2007-04-02 12:48:10 -0700 | [diff] [blame] | 1765 | OMAP_OSK_MISTRAL || MACH_OMAP_H2 \ |
| 1766 | || MACH_OMAP_PERSEUS2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | depends on LEDS |
Kevin Hilman | 0567a0c | 2007-03-13 20:29:24 +0100 | [diff] [blame] | 1768 | depends on !GENERIC_CLOCKEVENTS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | default y if ARCH_EBSA110 |
| 1770 | help |
| 1771 | If you say Y here, one of the system LEDs (the green one on the |
| 1772 | NetWinder, the amber one on the EBSA285, or the red one on the LART) |
| 1773 | will flash regularly to indicate that the system is still |
| 1774 | operational. This is mainly useful to kernel hackers who are |
| 1775 | debugging unstable kernels. |
| 1776 | |
| 1777 | The LART uses the same LED for both Timer LED and CPU usage LED |
| 1778 | functions. You may choose to use both, but the Timer LED function |
| 1779 | will overrule the CPU usage LED. |
| 1780 | |
| 1781 | config LEDS_CPU |
| 1782 | bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \ |
David Brownell | eebdf7d7 | 2007-04-02 12:48:10 -0700 | [diff] [blame] | 1783 | !ARCH_OMAP) \ |
| 1784 | || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \ |
| 1785 | || MACH_OMAP_PERSEUS2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | depends on LEDS |
| 1787 | help |
| 1788 | If you say Y here, the red LED will be used to give a good real |
| 1789 | time indication of CPU usage, by lighting whenever the idle task |
| 1790 | is not currently executing. |
| 1791 | |
| 1792 | The LART uses the same LED for both Timer LED and CPU usage LED |
| 1793 | functions. You may choose to use both, but the Timer LED function |
| 1794 | will overrule the CPU usage LED. |
| 1795 | |
| 1796 | config ALIGNMENT_TRAP |
| 1797 | bool |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 1798 | depends on CPU_CP15_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1799 | default y if !ARCH_EBSA110 |
Russell King | e119bff | 2010-01-10 17:23:29 +0000 | [diff] [blame] | 1800 | select HAVE_PROC_CPU if PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | help |
Matt LaPlante | 84eb8d0 | 2006-10-03 22:53:09 +0200 | [diff] [blame] | 1802 | ARM processors cannot fetch/store information which is not |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1803 | naturally aligned on the bus, i.e., a 4 byte fetch must start at an |
| 1804 | address divisible by 4. On 32-bit ARM processors, these non-aligned |
| 1805 | fetch/store instructions will be emulated in software if you say |
| 1806 | here, which has a severe performance impact. This is necessary for |
| 1807 | correct operation of some network protocols. With an IP-only |
| 1808 | configuration it is safe to say N, otherwise say Y. |
| 1809 | |
Lennert Buytenhek | 39ec58f | 2009-03-09 14:30:09 -0400 | [diff] [blame] | 1810 | config UACCESS_WITH_MEMCPY |
| 1811 | bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)" |
| 1812 | depends on MMU && EXPERIMENTAL |
| 1813 | default y if CPU_FEROCEON |
| 1814 | help |
| 1815 | Implement faster copy_to_user and clear_user methods for CPU |
| 1816 | cores where a 8-word STM instruction give significantly higher |
| 1817 | memory write throughput than a sequence of individual 32bit stores. |
| 1818 | |
| 1819 | A possible side effect is a slight increase in scheduling latency |
| 1820 | between threads sharing the same address space if they invoke |
| 1821 | such copy operations with large buffers. |
| 1822 | |
| 1823 | However, if the CPU data cache is using a write-allocate mode, |
| 1824 | this option is unlikely to provide any performance gain. |
| 1825 | |
Nicolas Pitre | 70c70d9 | 2010-08-26 15:08:35 -0700 | [diff] [blame] | 1826 | config SECCOMP |
| 1827 | bool |
| 1828 | prompt "Enable seccomp to safely compute untrusted bytecode" |
| 1829 | ---help--- |
| 1830 | This kernel feature is useful for number crunching applications |
| 1831 | that may need to compute untrusted bytecode during their |
| 1832 | execution. By using pipes or other transports made available to |
| 1833 | the process as file descriptors supporting the read/write |
| 1834 | syscalls, it's possible to isolate those applications in |
| 1835 | their own address space using seccomp. Once seccomp is |
| 1836 | enabled via prctl(PR_SET_SECCOMP), it cannot be disabled |
| 1837 | and the task is only allowed to execute a few safe syscalls |
| 1838 | defined by each seccomp mode. |
| 1839 | |
Nicolas Pitre | c743f38 | 2010-05-24 23:55:42 -0400 | [diff] [blame] | 1840 | config CC_STACKPROTECTOR |
| 1841 | bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" |
Russell King | 4a50bfe | 2010-12-05 23:06:22 +0000 | [diff] [blame] | 1842 | depends on EXPERIMENTAL |
Nicolas Pitre | c743f38 | 2010-05-24 23:55:42 -0400 | [diff] [blame] | 1843 | help |
| 1844 | This option turns on the -fstack-protector GCC feature. This |
| 1845 | feature puts, at the beginning of functions, a canary value on |
| 1846 | the stack just before the return address, and validates |
| 1847 | the value just before actually returning. Stack based buffer |
| 1848 | overflows (that need to overwrite this return address) now also |
| 1849 | overwrite the canary, which gets detected and the attack is then |
| 1850 | neutralized via a kernel panic. |
| 1851 | This feature requires gcc version 4.2 or above. |
| 1852 | |
Uwe Kleine-König | 73a65b3 | 2010-01-19 10:13:14 +0100 | [diff] [blame] | 1853 | config DEPRECATED_PARAM_STRUCT |
| 1854 | bool "Provide old way to pass kernel parameters" |
| 1855 | help |
| 1856 | This was deprecated in 2001 and announced to live on for 5 years. |
| 1857 | Some old boot loaders still use this way. |
| 1858 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1859 | endmenu |
| 1860 | |
| 1861 | menu "Boot options" |
| 1862 | |
Grant Likely | 9eb8f67 | 2011-04-28 14:27:20 -0600 | [diff] [blame] | 1863 | config USE_OF |
| 1864 | bool "Flattened Device Tree support" |
| 1865 | select OF |
| 1866 | select OF_EARLY_FLATTREE |
Grant Likely | 08a543a | 2011-07-26 03:19:06 -0600 | [diff] [blame] | 1867 | select IRQ_DOMAIN |
Grant Likely | 9eb8f67 | 2011-04-28 14:27:20 -0600 | [diff] [blame] | 1868 | help |
| 1869 | Include support for flattened device tree machine descriptions. |
| 1870 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1871 | # Compressed boot loader in ROM. Yes, we really want to ask about |
| 1872 | # TEXT and BSS so we preserve their values in the config files. |
| 1873 | config ZBOOT_ROM_TEXT |
| 1874 | hex "Compressed ROM boot loader base address" |
| 1875 | default "0" |
| 1876 | help |
| 1877 | The physical address at which the ROM-able zImage is to be |
| 1878 | placed in the target. Platforms which normally make use of |
| 1879 | ROM-able zImage formats normally set this to a suitable |
| 1880 | value in their defconfig file. |
| 1881 | |
| 1882 | If ZBOOT_ROM is not enabled, this has no effect. |
| 1883 | |
| 1884 | config ZBOOT_ROM_BSS |
| 1885 | hex "Compressed ROM boot loader BSS address" |
| 1886 | default "0" |
| 1887 | help |
Dan Fandrich | f8c440b | 2006-09-20 23:28:51 +0100 | [diff] [blame] | 1888 | The base address of an area of read/write memory in the target |
| 1889 | for the ROM-able zImage which must be available while the |
| 1890 | decompressor is running. It must be large enough to hold the |
| 1891 | entire decompressed kernel plus an additional 128 KiB. |
| 1892 | Platforms which normally make use of ROM-able zImage formats |
| 1893 | normally set this to a suitable value in their defconfig file. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1894 | |
| 1895 | If ZBOOT_ROM is not enabled, this has no effect. |
| 1896 | |
| 1897 | config ZBOOT_ROM |
| 1898 | bool "Compressed boot loader in ROM/flash" |
| 1899 | depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS |
| 1900 | help |
| 1901 | Say Y here if you intend to execute your compressed kernel image |
| 1902 | (zImage) directly from ROM or flash. If unsure, say N. |
| 1903 | |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1904 | choice |
| 1905 | prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)" |
| 1906 | depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL |
| 1907 | default ZBOOT_ROM_NONE |
| 1908 | help |
| 1909 | Include experimental SD/MMC loading code in the ROM-able zImage. |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 1910 | With this enabled it is possible to write the ROM-able zImage |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1911 | kernel image to an MMC or SD card and boot the kernel straight |
| 1912 | from the reset vector. At reset the processor Mask ROM will load |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 1913 | 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] | 1914 | rest the kernel image to RAM. |
| 1915 | |
| 1916 | config ZBOOT_ROM_NONE |
| 1917 | bool "No SD/MMC loader in zImage (EXPERIMENTAL)" |
| 1918 | help |
| 1919 | Do not load image from SD or MMC |
| 1920 | |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1921 | config ZBOOT_ROM_MMCIF |
| 1922 | bool "Include MMCIF loader in zImage (EXPERIMENTAL)" |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1923 | help |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 1924 | Load image from MMCIF hardware block. |
| 1925 | |
| 1926 | config ZBOOT_ROM_SH_MOBILE_SDHI |
| 1927 | bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)" |
| 1928 | help |
| 1929 | Load image from SDHI hardware block |
| 1930 | |
| 1931 | endchoice |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 1932 | |
John Bonesio | e2a6a3a | 2011-05-27 18:45:50 -0400 | [diff] [blame] | 1933 | config ARM_APPENDED_DTB |
| 1934 | bool "Use appended device tree blob to zImage (EXPERIMENTAL)" |
| 1935 | depends on OF && !ZBOOT_ROM && EXPERIMENTAL |
| 1936 | help |
| 1937 | With this option, the boot code will look for a device tree binary |
| 1938 | (DTB) appended to zImage |
| 1939 | (e.g. cat zImage <filename>.dtb > zImage_w_dtb). |
| 1940 | |
| 1941 | This is meant as a backward compatibility convenience for those |
| 1942 | systems with a bootloader that can't be upgraded to accommodate |
| 1943 | the documented boot protocol using a device tree. |
| 1944 | |
| 1945 | Beware that there is very little in terms of protection against |
| 1946 | this option being confused by leftover garbage in memory that might |
| 1947 | look like a DTB header after a reboot if no actual DTB is appended |
| 1948 | to zImage. Do not leave this option active in a production kernel |
| 1949 | if you don't intend to always append a DTB. Proper passing of the |
| 1950 | location into r2 of a bootloader provided DTB is always preferable |
| 1951 | to this option. |
| 1952 | |
Nicolas Pitre | b90b9a3 | 2011-09-13 22:37:07 -0400 | [diff] [blame] | 1953 | config ARM_ATAG_DTB_COMPAT |
| 1954 | bool "Supplement the appended DTB with traditional ATAG information" |
| 1955 | depends on ARM_APPENDED_DTB |
| 1956 | help |
| 1957 | Some old bootloaders can't be updated to a DTB capable one, yet |
| 1958 | they provide ATAGs with memory configuration, the ramdisk address, |
| 1959 | the kernel cmdline string, etc. Such information is dynamically |
| 1960 | provided by the bootloader and can't always be stored in a static |
| 1961 | DTB. To allow a device tree enabled kernel to be used with such |
| 1962 | bootloaders, this option allows zImage to extract the information |
| 1963 | from the ATAG list and store it at run time into the appended DTB. |
| 1964 | |
Genoud Richard | d0f34a11 | 2012-06-26 16:37:59 +0100 | [diff] [blame] | 1965 | choice |
| 1966 | prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT |
| 1967 | default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER |
| 1968 | |
| 1969 | config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER |
| 1970 | bool "Use bootloader kernel arguments if available" |
| 1971 | help |
| 1972 | Uses the command-line options passed by the boot loader instead of |
| 1973 | the device tree bootargs property. If the boot loader doesn't provide |
| 1974 | any, the device tree bootargs property will be used. |
| 1975 | |
| 1976 | config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND |
| 1977 | bool "Extend with bootloader kernel arguments" |
| 1978 | help |
| 1979 | The command-line arguments provided by the boot loader will be |
| 1980 | appended to the the device tree bootargs property. |
| 1981 | |
| 1982 | endchoice |
| 1983 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1984 | config CMDLINE |
| 1985 | string "Default kernel command string" |
| 1986 | default "" |
| 1987 | help |
| 1988 | On some architectures (EBSA110 and CATS), there is currently no way |
| 1989 | for the boot loader to pass arguments to the kernel. For these |
| 1990 | architectures, you should supply some command-line options at build |
| 1991 | time by entering them here. As a minimum, you should specify the |
| 1992 | memory size and the root device (e.g., mem=64M root=/dev/nfs). |
| 1993 | |
Victor Boivie | 4394c12 | 2011-05-04 17:07:55 +0100 | [diff] [blame] | 1994 | choice |
| 1995 | prompt "Kernel command line type" if CMDLINE != "" |
| 1996 | default CMDLINE_FROM_BOOTLOADER |
| 1997 | |
| 1998 | config CMDLINE_FROM_BOOTLOADER |
| 1999 | bool "Use bootloader kernel arguments if available" |
| 2000 | help |
| 2001 | Uses the command-line options passed by the boot loader. If |
| 2002 | the boot loader doesn't provide any, the default kernel command |
| 2003 | string provided in CMDLINE will be used. |
| 2004 | |
| 2005 | config CMDLINE_EXTEND |
| 2006 | bool "Extend bootloader kernel arguments" |
| 2007 | help |
| 2008 | The command-line arguments provided by the boot loader will be |
| 2009 | appended to the default kernel command string. |
| 2010 | |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2011 | config CMDLINE_FORCE |
| 2012 | bool "Always use the default kernel command string" |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2013 | help |
| 2014 | Always use the default kernel command string, even if the boot |
| 2015 | loader passes other arguments to the kernel. |
| 2016 | This is useful if you cannot or don't want to change the |
| 2017 | command-line options your boot loader passes to the kernel. |
Victor Boivie | 4394c12 | 2011-05-04 17:07:55 +0100 | [diff] [blame] | 2018 | endchoice |
Alexander Holler | 92d2040 | 2010-02-16 19:04:53 +0100 | [diff] [blame] | 2019 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2020 | config XIP_KERNEL |
| 2021 | bool "Kernel Execute-In-Place from ROM" |
Catalin Marinas | 497b7e9 | 2011-11-22 17:30:32 +0000 | [diff] [blame] | 2022 | depends on !ZBOOT_ROM && !ARM_LPAE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2023 | help |
| 2024 | Execute-In-Place allows the kernel to run from non-volatile storage |
| 2025 | directly addressable by the CPU, such as NOR flash. This saves RAM |
| 2026 | space since the text section of the kernel is not loaded from flash |
| 2027 | to RAM. Read-write sections, such as the data section and stack, |
| 2028 | are still copied to RAM. The XIP kernel is not compressed since |
| 2029 | it has to run directly from flash, so it will take more space to |
| 2030 | store it. The flash address used to link the kernel object files, |
| 2031 | and for storing it, is configuration dependent. Therefore, if you |
| 2032 | say Y here, you must know the proper physical address where to |
| 2033 | store the kernel image depending on your own flash memory usage. |
| 2034 | |
| 2035 | Also note that the make target becomes "make xipImage" rather than |
| 2036 | "make zImage" or "make Image". The final kernel binary to put in |
| 2037 | ROM memory will be arch/arm/boot/xipImage. |
| 2038 | |
| 2039 | If unsure, say N. |
| 2040 | |
| 2041 | config XIP_PHYS_ADDR |
| 2042 | hex "XIP Kernel Physical Location" |
| 2043 | depends on XIP_KERNEL |
| 2044 | default "0x00080000" |
| 2045 | help |
| 2046 | This is the physical address in your flash memory the kernel will |
| 2047 | be linked for and stored to. This address is dependent on your |
| 2048 | own flash usage. |
| 2049 | |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2050 | config KEXEC |
| 2051 | bool "Kexec system call (EXPERIMENTAL)" |
Will Deacon | 02b73e2 | 2011-06-06 15:49:23 +0100 | [diff] [blame] | 2052 | depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU) |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2053 | help |
| 2054 | kexec is a system call that implements the ability to shutdown your |
| 2055 | current kernel, and to start another kernel. It is like a reboot |
Matt LaPlante | 01dd2fb | 2007-10-20 01:34:40 +0200 | [diff] [blame] | 2056 | but it is independent of the system firmware. And like a reboot |
Richard Purdie | c587e4a | 2007-02-06 21:29:00 +0100 | [diff] [blame] | 2057 | you can start any kernel with it, not just Linux. |
| 2058 | |
| 2059 | It is an ongoing process to be certain the hardware in a machine |
| 2060 | is properly shutdown, so do not be surprised if this code does not |
| 2061 | initially work for you. It may help to enable device hotplugging |
| 2062 | support. |
| 2063 | |
Richard Purdie | 4cd9d6f | 2008-01-02 00:56:46 +0100 | [diff] [blame] | 2064 | config ATAGS_PROC |
| 2065 | bool "Export atags in procfs" |
Uli Luckas | b98d729 | 2008-02-22 16:45:18 +0100 | [diff] [blame] | 2066 | depends on KEXEC |
| 2067 | default y |
Richard Purdie | 4cd9d6f | 2008-01-02 00:56:46 +0100 | [diff] [blame] | 2068 | help |
| 2069 | Should the atags used to boot the kernel be exported in an "atags" |
| 2070 | file in procfs. Useful with kexec. |
| 2071 | |
Mika Westerberg | cb5d39b | 2010-11-18 19:14:52 +0100 | [diff] [blame] | 2072 | config CRASH_DUMP |
| 2073 | bool "Build kdump crash kernel (EXPERIMENTAL)" |
| 2074 | depends on EXPERIMENTAL |
| 2075 | help |
| 2076 | Generate crash dump after being started by kexec. This should |
| 2077 | be normally only set in special crash dump kernels which are |
| 2078 | loaded in the main kernel with kexec-tools into a specially |
| 2079 | reserved region and then later executed after a crash by |
| 2080 | kdump/kexec. The crash dump kernel must be compiled to a |
| 2081 | memory address not used by the main kernel |
| 2082 | |
| 2083 | For more details see Documentation/kdump/kdump.txt |
| 2084 | |
Eric Miao | e69edc79 | 2010-07-05 15:56:50 +0200 | [diff] [blame] | 2085 | config AUTO_ZRELADDR |
| 2086 | bool "Auto calculation of the decompressed kernel image address" |
| 2087 | depends on !ZBOOT_ROM && !ARCH_U300 |
| 2088 | help |
| 2089 | ZRELADDR is the physical address where the decompressed kernel |
| 2090 | image will be placed. If AUTO_ZRELADDR is selected, the address |
| 2091 | will be determined at run-time by masking the current IP with |
| 2092 | 0xf8000000. This assumes the zImage being placed in the first 128MB |
| 2093 | from start of memory. |
| 2094 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2095 | endmenu |
| 2096 | |
Russell King | ac9d7ef | 2008-08-18 17:26:00 +0100 | [diff] [blame] | 2097 | menu "CPU Power Management" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2098 | |
Ben Dooks | 89c52ed | 2009-07-30 23:23:24 +0100 | [diff] [blame] | 2099 | if ARCH_HAS_CPUFREQ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2100 | |
| 2101 | source "drivers/cpufreq/Kconfig" |
| 2102 | |
Yong Shen | 64f102b | 2010-10-21 21:18:59 +0800 | [diff] [blame] | 2103 | config CPU_FREQ_IMX |
| 2104 | tristate "CPUfreq driver for i.MX CPUs" |
| 2105 | depends on ARCH_MXC && CPU_FREQ |
| 2106 | help |
| 2107 | This enables the CPUfreq driver for i.MX CPUs. |
| 2108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2109 | config CPU_FREQ_SA1100 |
| 2110 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2111 | |
| 2112 | config CPU_FREQ_SA1110 |
| 2113 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2114 | |
| 2115 | config CPU_FREQ_INTEGRATOR |
| 2116 | tristate "CPUfreq driver for ARM Integrator CPUs" |
| 2117 | depends on ARCH_INTEGRATOR && CPU_FREQ |
| 2118 | default y |
| 2119 | help |
| 2120 | This enables the CPUfreq driver for ARM Integrator CPUs. |
| 2121 | |
| 2122 | For details, take a look at <file:Documentation/cpu-freq>. |
| 2123 | |
| 2124 | If in doubt, say Y. |
| 2125 | |
Russell King | 9e2697f | 2007-12-14 13:30:14 +0000 | [diff] [blame] | 2126 | config CPU_FREQ_PXA |
| 2127 | bool |
| 2128 | depends on CPU_FREQ && ARCH_PXA && PXA25x |
| 2129 | default y |
Arnd Bergmann | ca7d156 | 2011-10-01 22:03:51 +0200 | [diff] [blame] | 2130 | select CPU_FREQ_TABLE |
Russell King | 9e2697f | 2007-12-14 13:30:14 +0000 | [diff] [blame] | 2131 | select CPU_FREQ_DEFAULT_GOV_USERSPACE |
| 2132 | |
Ben Dooks | 9d56c02 | 2009-07-30 23:23:25 +0100 | [diff] [blame] | 2133 | config CPU_FREQ_S3C |
| 2134 | bool |
| 2135 | help |
| 2136 | Internal configuration node for common cpufreq on Samsung SoC |
| 2137 | |
| 2138 | config CPU_FREQ_S3C24XX |
Russell King | 4a50bfe | 2010-12-05 23:06:22 +0000 | [diff] [blame] | 2139 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" |
Kukjin Kim | b130d5c | 2012-02-03 14:29:23 +0900 | [diff] [blame] | 2140 | depends on ARCH_S3C24XX && CPU_FREQ && EXPERIMENTAL |
Ben Dooks | 9d56c02 | 2009-07-30 23:23:25 +0100 | [diff] [blame] | 2141 | select CPU_FREQ_S3C |
| 2142 | help |
| 2143 | This enables the CPUfreq driver for the Samsung S3C24XX family |
| 2144 | of CPUs. |
| 2145 | |
| 2146 | For details, take a look at <file:Documentation/cpu-freq>. |
| 2147 | |
| 2148 | If in doubt, say N. |
| 2149 | |
| 2150 | config CPU_FREQ_S3C24XX_PLL |
Russell King | 4a50bfe | 2010-12-05 23:06:22 +0000 | [diff] [blame] | 2151 | bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" |
Ben Dooks | 9d56c02 | 2009-07-30 23:23:25 +0100 | [diff] [blame] | 2152 | depends on CPU_FREQ_S3C24XX && EXPERIMENTAL |
| 2153 | help |
| 2154 | Compile in support for changing the PLL frequency from the |
| 2155 | S3C24XX series CPUfreq driver. The PLL takes time to settle |
| 2156 | after a frequency change, so by default it is not enabled. |
| 2157 | |
| 2158 | This also means that the PLL tables for the selected CPU(s) will |
| 2159 | be built which may increase the size of the kernel image. |
| 2160 | |
| 2161 | config CPU_FREQ_S3C24XX_DEBUG |
| 2162 | bool "Debug CPUfreq Samsung driver core" |
| 2163 | depends on CPU_FREQ_S3C24XX |
| 2164 | help |
| 2165 | Enable s3c_freq_dbg for the Samsung S3C CPUfreq core |
| 2166 | |
| 2167 | config CPU_FREQ_S3C24XX_IODEBUG |
| 2168 | bool "Debug CPUfreq Samsung driver IO timing" |
| 2169 | depends on CPU_FREQ_S3C24XX |
| 2170 | help |
| 2171 | Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core |
| 2172 | |
Ben Dooks | e6d197a | 2009-07-30 23:23:42 +0100 | [diff] [blame] | 2173 | config CPU_FREQ_S3C24XX_DEBUGFS |
| 2174 | bool "Export debugfs for CPUFreq" |
| 2175 | depends on CPU_FREQ_S3C24XX && DEBUG_FS |
| 2176 | help |
| 2177 | Export status information via debugfs. |
| 2178 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2179 | endif |
| 2180 | |
Russell King | ac9d7ef | 2008-08-18 17:26:00 +0100 | [diff] [blame] | 2181 | source "drivers/cpuidle/Kconfig" |
| 2182 | |
| 2183 | endmenu |
| 2184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2185 | menu "Floating point emulation" |
| 2186 | |
| 2187 | comment "At least one emulation must be selected" |
| 2188 | |
| 2189 | config FPE_NWFPE |
| 2190 | bool "NWFPE math emulation" |
Dave Martin | 593c252 | 2010-12-13 21:56:03 +0100 | [diff] [blame] | 2191 | depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2192 | ---help--- |
| 2193 | Say Y to include the NWFPE floating point emulator in the kernel. |
| 2194 | This is necessary to run most binaries. Linux does not currently |
| 2195 | support floating point hardware so you need to say Y here even if |
| 2196 | your machine has an FPA or floating point co-processor podule. |
| 2197 | |
| 2198 | You may say N here if you are going to load the Acorn FPEmulator |
| 2199 | early in the bootup. |
| 2200 | |
| 2201 | config FPE_NWFPE_XP |
| 2202 | bool "Support extended precision" |
Lennert Buytenhek | bedf142 | 2005-11-07 21:12:08 +0000 | [diff] [blame] | 2203 | depends on FPE_NWFPE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2204 | help |
| 2205 | Say Y to include 80-bit support in the kernel floating-point |
| 2206 | emulator. Otherwise, only 32 and 64-bit support is compiled in. |
| 2207 | Note that gcc does not generate 80-bit operations by default, |
| 2208 | so in most cases this option only enlarges the size of the |
| 2209 | floating point emulator without any good reason. |
| 2210 | |
| 2211 | You almost surely want to say N here. |
| 2212 | |
| 2213 | config FPE_FASTFPE |
| 2214 | bool "FastFPE math emulation (EXPERIMENTAL)" |
Nicolas Pitre | 8993a44 | 2006-01-14 16:36:50 +0000 | [diff] [blame] | 2215 | depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2216 | ---help--- |
| 2217 | Say Y here to include the FAST floating point emulator in the kernel. |
| 2218 | This is an experimental much faster emulator which now also has full |
| 2219 | precision for the mantissa. It does not support any exceptions. |
| 2220 | It is very simple, and approximately 3-6 times faster than NWFPE. |
| 2221 | |
| 2222 | It should be sufficient for most programs. It may be not suitable |
| 2223 | for scientific calculations, but you have to check this for yourself. |
| 2224 | If you do not feel you need a faster FP emulation you should better |
| 2225 | choose NWFPE. |
| 2226 | |
| 2227 | config VFP |
| 2228 | bool "VFP-format floating point maths" |
Russell King | e399b1a | 2011-01-17 15:08:32 +0000 | [diff] [blame] | 2229 | depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2230 | help |
| 2231 | Say Y to include VFP support code in the kernel. This is needed |
| 2232 | if your hardware includes a VFP unit. |
| 2233 | |
| 2234 | Please see <file:Documentation/arm/VFP/release-notes.txt> for |
| 2235 | release notes and additional status information. |
| 2236 | |
| 2237 | Say N if your target does not have VFP hardware. |
| 2238 | |
Catalin Marinas | 25ebee0 | 2007-09-25 15:22:24 +0100 | [diff] [blame] | 2239 | config VFPv3 |
| 2240 | bool |
| 2241 | depends on VFP |
| 2242 | default y if CPU_V7 |
| 2243 | |
Catalin Marinas | b5872db | 2008-01-10 19:16:17 +0100 | [diff] [blame] | 2244 | config NEON |
| 2245 | bool "Advanced SIMD (NEON) Extension support" |
| 2246 | depends on VFPv3 && CPU_V7 |
| 2247 | help |
| 2248 | Say Y to include support code for NEON, the ARMv7 Advanced SIMD |
| 2249 | Extension. |
| 2250 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2251 | endmenu |
| 2252 | |
| 2253 | menu "Userspace binary formats" |
| 2254 | |
| 2255 | source "fs/Kconfig.binfmt" |
| 2256 | |
| 2257 | config ARTHUR |
| 2258 | tristate "RISC OS personality" |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 2259 | depends on !AEABI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2260 | help |
| 2261 | Say Y here to include the kernel code necessary if you want to run |
| 2262 | Acorn RISC OS/Arthur binaries under Linux. This code is still very |
| 2263 | experimental; if this sounds frightening, say N and sleep in peace. |
| 2264 | You can also say M here to compile this support as a module (which |
| 2265 | will be called arthur). |
| 2266 | |
| 2267 | endmenu |
| 2268 | |
| 2269 | menu "Power management options" |
| 2270 | |
Russell King | eceab4a | 2005-11-15 11:31:41 +0000 | [diff] [blame] | 2271 | source "kernel/power/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2272 | |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 2273 | config ARCH_SUSPEND_POSSIBLE |
Stephen Warren | 3d5e8af | 2012-04-13 15:30:07 -0600 | [diff] [blame] | 2274 | depends on !ARCH_S5PC100 && !ARCH_TEGRA |
Russell King | 6a78618 | 2011-04-02 10:15:28 +0100 | [diff] [blame] | 2275 | depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \ |
Chao Xie | 3f5d081 | 2012-05-07 11:23:58 +0800 | [diff] [blame] | 2276 | CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK |
Johannes Berg | f4cb570 | 2007-12-08 02:14:00 +0100 | [diff] [blame] | 2277 | def_bool y |
| 2278 | |
Arnd Bergmann | 15e0d9e | 2011-10-01 21:09:39 +0200 | [diff] [blame] | 2279 | config ARM_CPU_SUSPEND |
| 2280 | def_bool PM_SLEEP |
| 2281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2282 | endmenu |
| 2283 | |
Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 2284 | source "net/Kconfig" |
| 2285 | |
Uwe Kleine-König | ac25150 | 2009-08-13 21:09:21 +0200 | [diff] [blame] | 2286 | source "drivers/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | |
| 2288 | source "fs/Kconfig" |
| 2289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2290 | source "arch/arm/Kconfig.debug" |
| 2291 | |
| 2292 | source "security/Kconfig" |
| 2293 | |
| 2294 | source "crypto/Kconfig" |
| 2295 | |
| 2296 | source "lib/Kconfig" |