Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 2 | # For a description of the syntax of this configuration file, |
| 3 | # see Documentation/kbuild/kconfig-language.txt. |
| 4 | # |
| 5 | |
| 6 | mainmenu "Linux Kernel Configuration" |
| 7 | |
| 8 | config ARM |
| 9 | bool |
| 10 | default y |
Alessandro Zummo | 12b824f | 2006-03-27 01:16:35 -0800 | [diff] [blame] | 11 | select RTC_LIB |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | help |
| 13 | 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] | 14 | licensed by ARM Ltd and targeted at embedded applications and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | handhelds such as the Compaq IPAQ. ARM-based PCs are no longer |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 16 | manufactured, but legacy ARM-based PC hardware remains popular in |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | Europe. There is an ARM Linux project with a web page at |
| 18 | <http://www.arm.linux.org.uk/>. |
| 19 | |
Kevin Hilman | 746140c | 2006-09-22 00:16:30 +0100 | [diff] [blame] | 20 | config GENERIC_TIME |
| 21 | bool |
| 22 | default n |
| 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | config MMU |
| 25 | bool |
| 26 | default y |
| 27 | |
| 28 | config EISA |
| 29 | bool |
| 30 | ---help--- |
| 31 | The Extended Industry Standard Architecture (EISA) bus was |
| 32 | developed as an open alternative to the IBM MicroChannel bus. |
| 33 | |
| 34 | The EISA bus provided some of the features of the IBM MicroChannel |
| 35 | bus while maintaining backward compatibility with cards made for |
| 36 | the older ISA bus. The EISA bus saw limited use between 1988 and |
| 37 | 1995 when it was made obsolete by the PCI bus. |
| 38 | |
| 39 | Say Y here if you are building a kernel for an EISA-based machine. |
| 40 | |
| 41 | Otherwise, say N. |
| 42 | |
| 43 | config SBUS |
| 44 | bool |
| 45 | |
| 46 | config MCA |
| 47 | bool |
| 48 | help |
| 49 | MicroChannel Architecture is found in some IBM PS/2 machines and |
| 50 | laptops. It is a bus system similar to PCI or ISA. See |
| 51 | <file:Documentation/mca.txt> (and especially the web page given |
| 52 | there) before attempting to build an MCA bus kernel. |
| 53 | |
Thomas Gleixner | 4a2581a | 2006-07-01 22:30:09 +0100 | [diff] [blame] | 54 | config GENERIC_HARDIRQS |
| 55 | bool |
| 56 | default y |
| 57 | |
Russell King | 7ad1bcb | 2006-08-27 12:07:02 +0100 | [diff] [blame] | 58 | config TRACE_IRQFLAGS_SUPPORT |
| 59 | bool |
| 60 | default y |
| 61 | |
Thomas Gleixner | 4a2581a | 2006-07-01 22:30:09 +0100 | [diff] [blame] | 62 | config HARDIRQS_SW_RESEND |
| 63 | bool |
| 64 | default y |
| 65 | |
| 66 | config GENERIC_IRQ_PROBE |
| 67 | bool |
| 68 | default y |
| 69 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | config RWSEM_GENERIC_SPINLOCK |
| 71 | bool |
| 72 | default y |
| 73 | |
| 74 | config RWSEM_XCHGADD_ALGORITHM |
| 75 | bool |
| 76 | |
Akinobu Mita | b89c3b1 | 2006-03-26 01:39:19 -0800 | [diff] [blame] | 77 | config GENERIC_HWEIGHT |
| 78 | bool |
| 79 | default y |
| 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | config GENERIC_CALIBRATE_DELAY |
| 82 | bool |
| 83 | default y |
| 84 | |
| 85 | config GENERIC_BUST_SPINLOCK |
| 86 | bool |
| 87 | |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 88 | config ARCH_MAY_HAVE_PC_FDC |
| 89 | bool |
| 90 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | config GENERIC_ISA_DMA |
| 92 | bool |
| 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | config FIQ |
| 95 | bool |
| 96 | |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 97 | config ARCH_MTD_XIP |
| 98 | bool |
| 99 | |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 100 | config VECTORS_BASE |
| 101 | hex |
Hyok S. Choi | 6afd6fa | 2006-09-28 21:46:34 +0900 | [diff] [blame] | 102 | default 0xffff0000 if MMU || CPU_HIGH_VECTOR |
Hyok S. Choi | c760fc1 | 2006-03-27 15:18:50 +0100 | [diff] [blame] | 103 | default DRAM_BASE if REMAP_VECTORS_TO_RAM |
| 104 | default 0x00000000 |
| 105 | help |
| 106 | The base address of exception vectors. |
| 107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | source "init/Kconfig" |
| 109 | |
| 110 | menu "System Type" |
| 111 | |
| 112 | choice |
| 113 | prompt "ARM system type" |
Catalin Marinas | 6a0e243 | 2006-03-07 14:42:27 +0000 | [diff] [blame] | 114 | default ARCH_VERSATILE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 116 | config ARCH_AAEC2000 |
| 117 | bool "Agilent AAEC-2000 based" |
| 118 | select ARM_AMBA |
| 119 | help |
| 120 | This enables support for systems based on the Agilent AAEC-2000 |
| 121 | |
| 122 | config ARCH_INTEGRATOR |
| 123 | bool "ARM Ltd. Integrator family" |
| 124 | select ARM_AMBA |
| 125 | select ICST525 |
| 126 | help |
| 127 | Support for ARM's Integrator platform. |
| 128 | |
| 129 | config ARCH_REALVIEW |
| 130 | bool "ARM Ltd. RealView family" |
| 131 | select ARM_AMBA |
| 132 | select ICST307 |
| 133 | help |
| 134 | This enables support for ARM Ltd RealView boards. |
| 135 | |
| 136 | config ARCH_VERSATILE |
| 137 | bool "ARM Ltd. Versatile family" |
| 138 | select ARM_AMBA |
| 139 | select ARM_VIC |
| 140 | select ICST307 |
| 141 | help |
| 142 | This enables support for ARM Ltd Versatile board. |
| 143 | |
Andrew Victor | 8fc5ffa | 2006-06-29 16:06:33 +0100 | [diff] [blame] | 144 | config ARCH_AT91 |
| 145 | bool "Atmel AT91" |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 146 | help |
Andrew Victor | 8fc5ffa | 2006-06-29 16:06:33 +0100 | [diff] [blame] | 147 | This enables support for systems based on the Atmel AT91RM9200 |
| 148 | and AT91SAM9xxx processors. |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | config ARCH_CLPS7500 |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 151 | bool "Cirrus CL-PS7500FE" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | select TIMER_ACORN |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 153 | select ISA |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 154 | help |
| 155 | Support for the Cirrus Logic PS7500FE system-on-a-chip. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | |
| 157 | config ARCH_CLPS711X |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 158 | bool "Cirrus Logic CLPS711x/EP721x-based" |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 159 | help |
| 160 | Support for Cirrus Logic 711x/721x based boards. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | |
| 162 | config ARCH_CO285 |
| 163 | bool "Co-EBSA285" |
| 164 | select FOOTBRIDGE |
| 165 | select FOOTBRIDGE_ADDIN |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 166 | help |
| 167 | Support for Intel's EBSA285 companion chip. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
| 169 | config ARCH_EBSA110 |
| 170 | bool "EBSA-110" |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 171 | select ISA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | help |
| 173 | This is an evaluation board for the StrongARM processor available |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 174 | from Digital. It has limited hardware on-board, including an |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | Ethernet interface, two PCMCIA sockets, two serial ports and a |
| 176 | parallel port. |
| 177 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 178 | config ARCH_EP93XX |
| 179 | bool "EP93xx-based" |
| 180 | select ARM_AMBA |
| 181 | select ARM_VIC |
| 182 | help |
| 183 | This enables support for the Cirrus EP93xx series of CPUs. |
| 184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | config ARCH_FOOTBRIDGE |
| 186 | bool "FootBridge" |
| 187 | select FOOTBRIDGE |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 188 | help |
| 189 | Support for systems based on the DC21285 companion chip |
| 190 | ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 192 | config ARCH_NETX |
| 193 | bool "Hilscher NetX based" |
| 194 | select ARM_VIC |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 195 | help |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 196 | This enables support for systems based on the Hilscher NetX Soc |
| 197 | |
| 198 | config ARCH_H720X |
| 199 | bool "Hynix HMS720x-based" |
| 200 | select ISA_DMA_API |
| 201 | help |
| 202 | This enables support for systems based on the Hynix HMS720x |
| 203 | |
| 204 | config ARCH_IMX |
| 205 | bool "IMX" |
| 206 | help |
| 207 | Support for Motorola's i.MX family of processors (MX1, MXL). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 209 | config ARCH_IOP32X |
| 210 | bool "IOP32x-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 211 | depends on MMU |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 212 | select PLAT_IOP |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 213 | select PCI |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 214 | help |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 215 | Support for Intel's 80219 and IOP32X (XScale) family of |
| 216 | processors. |
| 217 | |
| 218 | config ARCH_IOP33X |
| 219 | bool "IOP33x-based" |
| 220 | depends on MMU |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 221 | select PLAT_IOP |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 222 | select PCI |
| 223 | help |
| 224 | Support for Intel's IOP33X (XScale) family of processors. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | |
| 226 | config ARCH_IXP4XX |
| 227 | bool "IXP4xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 228 | depends on MMU |
Kevin Hilman | 84904d0 | 2006-09-22 00:58:57 +0100 | [diff] [blame] | 229 | select GENERIC_TIME |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 230 | help |
| 231 | Support for Intel's IXP4XX (XScale) family of processors. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | |
| 233 | config ARCH_IXP2000 |
| 234 | bool "IXP2400/2800-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 235 | depends on MMU |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 236 | select PCI |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 237 | help |
| 238 | Support for Intel's IXP2400/2800 (XScale) family of processors. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 240 | config ARCH_IXP23XX |
| 241 | bool "IXP23XX-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 242 | depends on MMU |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 243 | select PCI |
| 244 | help |
| 245 | Support for Intel's IXP23xx (XScale) family of processors. |
| 246 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | config ARCH_L7200 |
| 248 | bool "LinkUp-L7200" |
| 249 | select FIQ |
| 250 | help |
| 251 | Say Y here if you intend to run this kernel on a LinkUp Systems |
| 252 | L7200 Software Development Board which uses an ARM720T processor. |
| 253 | Information on this board can be obtained at: |
| 254 | |
| 255 | <http://www.linkupsys.com/> |
| 256 | |
| 257 | If you have any questions or comments about the Linux kernel port |
| 258 | to this board, send e-mail to <sjhill@cotw.com>. |
| 259 | |
Deepak Saxena | 4af6fee | 2006-06-20 21:30:44 +0100 | [diff] [blame] | 260 | config ARCH_PNX4008 |
| 261 | bool "Philips Nexperia PNX4008 Mobile" |
| 262 | help |
| 263 | This enables support for Philips PNX4008 mobile platform. |
| 264 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | config ARCH_PXA |
| 266 | bool "PXA2xx-based" |
Russell King | a4f7e76 | 2006-06-28 12:52:41 +0100 | [diff] [blame] | 267 | depends on MMU |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 268 | select ARCH_MTD_XIP |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 269 | help |
| 270 | Support for Intel's PXA2XX processor line. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | |
| 272 | config ARCH_RPC |
| 273 | bool "RiscPC" |
| 274 | select ARCH_ACORN |
| 275 | select FIQ |
| 276 | select TIMER_ACORN |
viro@ZenIV.linux.org.uk | a08b6b7 | 2005-09-06 01:48:42 +0100 | [diff] [blame] | 277 | select ARCH_MAY_HAVE_PC_FDC |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 278 | select ISA_DMA_API |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | help |
| 280 | On the Acorn Risc-PC, Linux can support the internal IDE disk and |
| 281 | CD-ROM interface, serial and parallel port, and the floppy drive. |
| 282 | |
| 283 | config ARCH_SA1100 |
| 284 | bool "SA1100-based" |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 285 | select ISA |
Russell King | 3cd9e19 | 2005-06-25 19:29:34 +0100 | [diff] [blame] | 286 | select ARCH_DISCONTIGMEM_ENABLE |
Al Viro | 034d2f5 | 2005-12-19 16:27:59 -0500 | [diff] [blame] | 287 | select ARCH_MTD_XIP |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 288 | help |
| 289 | Support for StrongARM 11x0 based boards. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
| 291 | config ARCH_S3C2410 |
Ben Dooks | cd701aa | 2006-06-26 15:12:58 +0100 | [diff] [blame] | 292 | bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | help |
| 294 | Samsung S3C2410X CPU based systems, such as the Simtec Electronics |
| 295 | BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or |
Martin Michlmayr | f6c8965 | 2006-02-08 21:09:07 +0000 | [diff] [blame] | 296 | the Samsung SMDK2410 development board (and derivatives). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | |
| 298 | config ARCH_SHARK |
| 299 | bool "Shark" |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 300 | select ISA |
| 301 | select ISA_DMA |
| 302 | select PCI |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 303 | help |
| 304 | Support for the StrongARM based Digital DNARD machine, also known |
| 305 | as "Shark" (<http://www.shark-linux.de/shark.html>). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | |
| 307 | config ARCH_LH7A40X |
| 308 | bool "Sharp LH7A40X" |
| 309 | help |
| 310 | Say Y here for systems based on one of the Sharp LH7A40X |
| 311 | System on a Chip processors. These CPUs include an ARM922T |
| 312 | core with a wide array of integrated devices for |
| 313 | hand-held and low-power applications. |
| 314 | |
| 315 | config ARCH_OMAP |
| 316 | bool "TI OMAP" |
Martin Michlmayr | f999b8b | 2006-02-08 21:09:05 +0000 | [diff] [blame] | 317 | help |
| 318 | Support for TI's OMAP platform (OMAP1 and OMAP2). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | endchoice |
| 321 | |
| 322 | source "arch/arm/mach-clps711x/Kconfig" |
| 323 | |
Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame] | 324 | source "arch/arm/mach-ep93xx/Kconfig" |
| 325 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | source "arch/arm/mach-footbridge/Kconfig" |
| 327 | |
| 328 | source "arch/arm/mach-integrator/Kconfig" |
| 329 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 330 | source "arch/arm/mach-iop32x/Kconfig" |
| 331 | |
| 332 | source "arch/arm/mach-iop33x/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | |
| 334 | source "arch/arm/mach-ixp4xx/Kconfig" |
| 335 | |
| 336 | source "arch/arm/mach-ixp2000/Kconfig" |
| 337 | |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 338 | source "arch/arm/mach-ixp23xx/Kconfig" |
| 339 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | source "arch/arm/mach-pxa/Kconfig" |
| 341 | |
| 342 | source "arch/arm/mach-sa1100/Kconfig" |
| 343 | |
Tony Lindgren | d48af15 | 2005-07-10 19:58:17 +0100 | [diff] [blame] | 344 | source "arch/arm/plat-omap/Kconfig" |
| 345 | |
| 346 | source "arch/arm/mach-omap1/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 348 | source "arch/arm/mach-omap2/Kconfig" |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | source "arch/arm/mach-s3c2410/Kconfig" |
| 351 | |
| 352 | source "arch/arm/mach-lh7a40x/Kconfig" |
| 353 | |
| 354 | source "arch/arm/mach-imx/Kconfig" |
| 355 | |
| 356 | source "arch/arm/mach-h720x/Kconfig" |
| 357 | |
| 358 | source "arch/arm/mach-versatile/Kconfig" |
| 359 | |
Bellido Nicolas | 038c5b6 | 2005-06-20 18:51:05 +0100 | [diff] [blame] | 360 | source "arch/arm/mach-aaec2000/Kconfig" |
| 361 | |
Catalin Marinas | 8ad68bb | 2005-10-31 14:25:02 +0000 | [diff] [blame] | 362 | source "arch/arm/mach-realview/Kconfig" |
| 363 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 364 | source "arch/arm/mach-at91rm9200/Kconfig" |
| 365 | |
Sascha Hauer | bb6d8c8 | 2006-06-19 15:27:53 +0100 | [diff] [blame] | 366 | source "arch/arm/mach-netx/Kconfig" |
| 367 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | # Definitions to make life easier |
| 369 | config ARCH_ACORN |
| 370 | bool |
| 371 | |
Lennert Buytenhek | 7ae1f7e | 2006-09-18 23:12:53 +0100 | [diff] [blame] | 372 | config PLAT_IOP |
| 373 | bool |
| 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | source arch/arm/mm/Kconfig |
| 376 | |
| 377 | # bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER |
| 378 | config XSCALE_PMU |
| 379 | bool |
| 380 | depends on CPU_XSCALE && !XSCALE_PMU_TIMER |
| 381 | default y |
| 382 | |
Hyok S. Choi | 3b93e7b | 2006-06-22 11:48:56 +0100 | [diff] [blame] | 383 | if !MMU |
| 384 | source "arch/arm/Kconfig-nommu" |
| 385 | endif |
| 386 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | endmenu |
| 388 | |
| 389 | source "arch/arm/common/Kconfig" |
| 390 | |
| 391 | config FORCE_MAX_ZONEORDER |
| 392 | int |
| 393 | depends on SA1111 |
| 394 | default "9" |
| 395 | |
| 396 | menu "Bus support" |
| 397 | |
| 398 | config ARM_AMBA |
| 399 | bool |
| 400 | |
| 401 | config ISA |
| 402 | bool |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | help |
| 404 | Find out whether you have ISA slots on your motherboard. ISA is the |
| 405 | name of a bus system, i.e. the way the CPU talks to the other stuff |
| 406 | inside your box. Other bus systems are PCI, EISA, MicroChannel |
| 407 | (MCA) or VESA. ISA is an older system, now being displaced by PCI; |
| 408 | newer boards don't support it. If you have ISA, say Y, otherwise N. |
| 409 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 410 | # Select ISA DMA controller support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | config ISA_DMA |
| 412 | bool |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 413 | select ISA_DMA_API |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
Russell King | 065909b | 2006-01-04 15:44:16 +0000 | [diff] [blame] | 415 | # Select ISA DMA interface |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 416 | config ISA_DMA_API |
| 417 | bool |
Al Viro | 5cae841 | 2005-05-04 05:39:22 +0100 | [diff] [blame] | 418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | config PCI |
Milan Svoboda | 6893912 | 2006-06-25 22:12:12 +0100 | [diff] [blame] | 420 | bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | help |
| 422 | Find out whether you have a PCI motherboard. PCI is the name of a |
| 423 | bus system, i.e. the way the CPU talks to the other stuff inside |
| 424 | your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or |
| 425 | VESA. If you have PCI, say Y, otherwise N. |
| 426 | |
| 427 | The PCI-HOWTO, available from |
| 428 | <http://www.tldp.org/docs.html#howto>, contains valuable |
| 429 | information about which PCI hardware does work under Linux and which |
| 430 | doesn't. |
| 431 | |
| 432 | # Select the host bridge type |
| 433 | config PCI_HOST_VIA82C505 |
| 434 | bool |
| 435 | depends on PCI && ARCH_SHARK |
| 436 | default y |
| 437 | |
| 438 | source "drivers/pci/Kconfig" |
| 439 | |
| 440 | source "drivers/pcmcia/Kconfig" |
| 441 | |
| 442 | endmenu |
| 443 | |
| 444 | menu "Kernel Features" |
| 445 | |
| 446 | config SMP |
| 447 | bool "Symmetric Multi-Processing (EXPERIMENTAL)" |
Russell King | f6db449 | 2005-11-07 21:30:21 +0000 | [diff] [blame] | 448 | depends on EXPERIMENTAL && REALVIEW_MPCORE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | help |
| 450 | This enables support for systems with more than one CPU. If you have |
| 451 | a system with only one CPU, like most personal computers, say N. If |
| 452 | you have a system with more than one CPU, say Y. |
| 453 | |
| 454 | If you say N here, the kernel will run on single and multiprocessor |
| 455 | machines, but will use only one CPU of a multiprocessor machine. If |
| 456 | you say Y here, the kernel will run on many, but not all, single |
| 457 | processor machines. On a single processor machine, the kernel will |
| 458 | run faster if you say N here. |
| 459 | |
Arthur Othieno | 12c62c2 | 2005-09-10 00:26:22 -0700 | [diff] [blame] | 460 | See also the <file:Documentation/smp.txt>, |
| 461 | <file:Documentation/i386/IO-APIC.txt>, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at |
| 463 | <http://www.linuxdoc.org/docs.html#howto>. |
| 464 | |
| 465 | If you don't know what to do here, say N. |
| 466 | |
| 467 | config NR_CPUS |
| 468 | int "Maximum number of CPUs (2-32)" |
| 469 | range 2 32 |
| 470 | depends on SMP |
| 471 | default "4" |
| 472 | |
Russell King | a054a81 | 2005-11-02 22:24:33 +0000 | [diff] [blame] | 473 | config HOTPLUG_CPU |
| 474 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" |
| 475 | depends on SMP && HOTPLUG && EXPERIMENTAL |
| 476 | help |
| 477 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 478 | can be controlled through /sys/devices/system/cpu. |
| 479 | |
Russell King | 37ee16a | 2005-11-08 19:08:05 +0000 | [diff] [blame] | 480 | config LOCAL_TIMERS |
| 481 | bool "Use local timer interrupts" |
Russell King | 2a98beb | 2005-11-09 10:50:29 +0000 | [diff] [blame] | 482 | depends on SMP && REALVIEW_MPCORE |
Russell King | 37ee16a | 2005-11-08 19:08:05 +0000 | [diff] [blame] | 483 | default y |
| 484 | help |
| 485 | Enable support for local timers on SMP platforms, rather then the |
| 486 | legacy IPI broadcast method. Local timers allows the system |
| 487 | accounting to be spread across the timer interval, preventing a |
| 488 | "thundering herd" at every timer tick. |
| 489 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | config PREEMPT |
| 491 | bool "Preemptible Kernel (EXPERIMENTAL)" |
| 492 | depends on EXPERIMENTAL |
| 493 | help |
| 494 | This option reduces the latency of the kernel when reacting to |
| 495 | real-time or interactive events by allowing a low priority process to |
| 496 | be preempted even if it is in kernel mode executing a system call. |
| 497 | This allows applications to run more reliably even when the system is |
| 498 | under load. |
| 499 | |
| 500 | Say Y here if you are building a kernel for a desktop, embedded |
| 501 | or real-time system. Say N if you are unsure. |
| 502 | |
Russell King | 8749af6 | 2005-06-25 19:39:45 +0100 | [diff] [blame] | 503 | config NO_IDLE_HZ |
| 504 | bool "Dynamic tick timer" |
| 505 | help |
| 506 | Select this option if you want to disable continuous timer ticks |
| 507 | and have them programmed to occur as required. This option saves |
| 508 | power as the system can remain in idle state for longer. |
| 509 | |
| 510 | By default dynamic tick is disabled during the boot, and can be |
| 511 | manually enabled with: |
| 512 | |
| 513 | echo 1 > /sys/devices/system/timer/timer0/dyn_tick |
| 514 | |
| 515 | Alternatively, if you want dynamic tick automatically enabled |
| 516 | during boot, pass "dyntick=enable" via the kernel command string. |
| 517 | |
Tony Lindgren | f2be64b | 2005-06-28 21:01:16 +0100 | [diff] [blame] | 518 | Please note that dynamic tick may affect the accuracy of |
| 519 | timekeeping on some platforms depending on the implementation. |
Nicolas Pitre | 569d2c3 | 2005-09-01 12:48:48 +0100 | [diff] [blame] | 520 | Currently at least OMAP, PXA2xx and SA11x0 platforms are known |
| 521 | to have accurate timekeeping with dynamic tick. |
Tony Lindgren | f2be64b | 2005-06-28 21:01:16 +0100 | [diff] [blame] | 522 | |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 523 | config HZ |
| 524 | int |
| 525 | default 128 if ARCH_L7200 |
| 526 | default 200 if ARCH_EBSA110 || ARCH_S3C2410 |
Russell King | bfe6570 | 2006-03-04 11:01:53 +0000 | [diff] [blame] | 527 | default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER |
Russell King | f806581 | 2006-03-02 22:41:59 +0000 | [diff] [blame] | 528 | default 100 |
| 529 | |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 530 | config AEABI |
| 531 | bool "Use the ARM EABI to compile the kernel" |
| 532 | help |
| 533 | This option allows for the kernel to be compiled using the latest |
| 534 | ARM ABI (aka EABI). This is only useful if you are using a user |
| 535 | space environment that is also compiled with EABI. |
| 536 | |
| 537 | Since there are major incompatibilities between the legacy ABI and |
| 538 | EABI, especially with regard to structure member alignment, this |
| 539 | option also changes the kernel syscall calling convention to |
| 540 | disambiguate both ABIs and allow for backward compatibility support |
| 541 | (selected with CONFIG_OABI_COMPAT). |
| 542 | |
| 543 | To use this you need GCC version 4.0.0 or later. |
| 544 | |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 545 | config OABI_COMPAT |
Russell King | a73a3ff | 2006-02-08 21:09:55 +0000 | [diff] [blame] | 546 | bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" |
Nicolas Pitre | 61c484d | 2006-02-08 21:09:08 +0000 | [diff] [blame] | 547 | depends on AEABI && EXPERIMENTAL |
Nicolas Pitre | 6c90c87 | 2006-01-14 16:37:15 +0000 | [diff] [blame] | 548 | default y |
| 549 | help |
| 550 | This option preserves the old syscall interface along with the |
| 551 | new (ARM EABI) one. It also provides a compatibility layer to |
| 552 | intercept syscalls that have structure arguments which layout |
| 553 | in memory differs between the legacy ABI and the new ARM EABI |
| 554 | (only for non "thumb" binaries). This option adds a tiny |
| 555 | overhead to all syscalls and produces a slightly larger kernel. |
| 556 | If you know you'll be using only pure EABI user space then you |
| 557 | can say N here. If this option is not selected and you attempt |
| 558 | to execute a legacy ABI binary then the result will be |
| 559 | UNPREDICTABLE (in fact it can be predicted that it won't work |
| 560 | at all). If in doubt say Y. |
| 561 | |
Dave Hansen | 3f22ab2 | 2005-06-23 00:07:43 -0700 | [diff] [blame] | 562 | config ARCH_DISCONTIGMEM_ENABLE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | bool |
Russell King | f7e68bb | 2005-05-05 14:49:01 +0100 | [diff] [blame] | 564 | default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | help |
| 566 | Say Y to support efficient handling of discontiguous physical memory, |
| 567 | for architectures which are either NUMA (Non-Uniform Memory Access) |
| 568 | or have huge holes in the physical address space for other reasons. |
| 569 | See <file:Documentation/vm/numa> for more. |
| 570 | |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 571 | config NODES_SHIFT |
| 572 | int |
| 573 | default "4" if ARCH_LH7A40X |
| 574 | default "2" |
| 575 | depends on NEED_MULTIPLE_NODES |
| 576 | |
Dave Hansen | 3f22ab2 | 2005-06-23 00:07:43 -0700 | [diff] [blame] | 577 | source "mm/Kconfig" |
| 578 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | config LEDS |
| 580 | bool "Timer and CPU usage LEDs" |
| 581 | depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \ |
| 582 | ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \ |
| 583 | ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ |
| 584 | ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 585 | ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ |
Andrew Victor | 58a0cd7 | 2006-12-01 14:51:13 +0100 | [diff] [blame^] | 586 | ARCH_AT91 || MACH_TRIZEPS4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | help |
| 588 | If you say Y here, the LEDs on your machine will be used |
| 589 | to provide useful information about your current system status. |
| 590 | |
| 591 | If you are compiling a kernel for a NetWinder or EBSA-285, you will |
| 592 | be able to select which LEDs are active using the options below. If |
| 593 | you are compiling a kernel for the EBSA-110 or the LART however, the |
| 594 | red LED will simply flash regularly to indicate that the system is |
| 595 | still functional. It is safe to say Y here if you have a CATS |
| 596 | system, but the driver will do nothing. |
| 597 | |
| 598 | config LEDS_TIMER |
| 599 | bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \ |
| 600 | MACH_OMAP_H2 || MACH_OMAP_PERSEUS2 |
| 601 | depends on LEDS |
| 602 | default y if ARCH_EBSA110 |
| 603 | help |
| 604 | If you say Y here, one of the system LEDs (the green one on the |
| 605 | NetWinder, the amber one on the EBSA285, or the red one on the LART) |
| 606 | will flash regularly to indicate that the system is still |
| 607 | operational. This is mainly useful to kernel hackers who are |
| 608 | debugging unstable kernels. |
| 609 | |
| 610 | The LART uses the same LED for both Timer LED and CPU usage LED |
| 611 | functions. You may choose to use both, but the Timer LED function |
| 612 | will overrule the CPU usage LED. |
| 613 | |
| 614 | config LEDS_CPU |
| 615 | bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \ |
| 616 | !ARCH_OMAP) || MACH_OMAP_H2 || MACH_OMAP_PERSEUS2 |
| 617 | depends on LEDS |
| 618 | help |
| 619 | If you say Y here, the red LED will be used to give a good real |
| 620 | time indication of CPU usage, by lighting whenever the idle task |
| 621 | is not currently executing. |
| 622 | |
| 623 | The LART uses the same LED for both Timer LED and CPU usage LED |
| 624 | functions. You may choose to use both, but the Timer LED function |
| 625 | will overrule the CPU usage LED. |
| 626 | |
| 627 | config ALIGNMENT_TRAP |
| 628 | bool |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 629 | depends on CPU_CP15_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | default y if !ARCH_EBSA110 |
| 631 | help |
Matt LaPlante | 84eb8d0 | 2006-10-03 22:53:09 +0200 | [diff] [blame] | 632 | ARM processors cannot fetch/store information which is not |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | naturally aligned on the bus, i.e., a 4 byte fetch must start at an |
| 634 | address divisible by 4. On 32-bit ARM processors, these non-aligned |
| 635 | fetch/store instructions will be emulated in software if you say |
| 636 | here, which has a severe performance impact. This is necessary for |
| 637 | correct operation of some network protocols. With an IP-only |
| 638 | configuration it is safe to say N, otherwise say Y. |
| 639 | |
| 640 | endmenu |
| 641 | |
| 642 | menu "Boot options" |
| 643 | |
| 644 | # Compressed boot loader in ROM. Yes, we really want to ask about |
| 645 | # TEXT and BSS so we preserve their values in the config files. |
| 646 | config ZBOOT_ROM_TEXT |
| 647 | hex "Compressed ROM boot loader base address" |
| 648 | default "0" |
| 649 | help |
| 650 | The physical address at which the ROM-able zImage is to be |
| 651 | placed in the target. Platforms which normally make use of |
| 652 | ROM-able zImage formats normally set this to a suitable |
| 653 | value in their defconfig file. |
| 654 | |
| 655 | If ZBOOT_ROM is not enabled, this has no effect. |
| 656 | |
| 657 | config ZBOOT_ROM_BSS |
| 658 | hex "Compressed ROM boot loader BSS address" |
| 659 | default "0" |
| 660 | help |
Dan Fandrich | f8c440b | 2006-09-20 23:28:51 +0100 | [diff] [blame] | 661 | The base address of an area of read/write memory in the target |
| 662 | for the ROM-able zImage which must be available while the |
| 663 | decompressor is running. It must be large enough to hold the |
| 664 | entire decompressed kernel plus an additional 128 KiB. |
| 665 | Platforms which normally make use of ROM-able zImage formats |
| 666 | normally set this to a suitable value in their defconfig file. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | |
| 668 | If ZBOOT_ROM is not enabled, this has no effect. |
| 669 | |
| 670 | config ZBOOT_ROM |
| 671 | bool "Compressed boot loader in ROM/flash" |
| 672 | depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS |
| 673 | help |
| 674 | Say Y here if you intend to execute your compressed kernel image |
| 675 | (zImage) directly from ROM or flash. If unsure, say N. |
| 676 | |
| 677 | config CMDLINE |
| 678 | string "Default kernel command string" |
| 679 | default "" |
| 680 | help |
| 681 | On some architectures (EBSA110 and CATS), there is currently no way |
| 682 | for the boot loader to pass arguments to the kernel. For these |
| 683 | architectures, you should supply some command-line options at build |
| 684 | time by entering them here. As a minimum, you should specify the |
| 685 | memory size and the root device (e.g., mem=64M root=/dev/nfs). |
| 686 | |
| 687 | config XIP_KERNEL |
| 688 | bool "Kernel Execute-In-Place from ROM" |
| 689 | depends on !ZBOOT_ROM |
| 690 | help |
| 691 | Execute-In-Place allows the kernel to run from non-volatile storage |
| 692 | directly addressable by the CPU, such as NOR flash. This saves RAM |
| 693 | space since the text section of the kernel is not loaded from flash |
| 694 | to RAM. Read-write sections, such as the data section and stack, |
| 695 | are still copied to RAM. The XIP kernel is not compressed since |
| 696 | it has to run directly from flash, so it will take more space to |
| 697 | store it. The flash address used to link the kernel object files, |
| 698 | and for storing it, is configuration dependent. Therefore, if you |
| 699 | say Y here, you must know the proper physical address where to |
| 700 | store the kernel image depending on your own flash memory usage. |
| 701 | |
| 702 | Also note that the make target becomes "make xipImage" rather than |
| 703 | "make zImage" or "make Image". The final kernel binary to put in |
| 704 | ROM memory will be arch/arm/boot/xipImage. |
| 705 | |
| 706 | If unsure, say N. |
| 707 | |
| 708 | config XIP_PHYS_ADDR |
| 709 | hex "XIP Kernel Physical Location" |
| 710 | depends on XIP_KERNEL |
| 711 | default "0x00080000" |
| 712 | help |
| 713 | This is the physical address in your flash memory the kernel will |
| 714 | be linked for and stored to. This address is dependent on your |
| 715 | own flash usage. |
| 716 | |
| 717 | endmenu |
| 718 | |
Tony Lindgren | a7ca9d2 | 2006-06-26 16:16:17 -0700 | [diff] [blame] | 719 | if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | |
| 721 | menu "CPU Frequency scaling" |
| 722 | |
| 723 | source "drivers/cpufreq/Kconfig" |
| 724 | |
| 725 | config CPU_FREQ_SA1100 |
| 726 | bool |
Vincent Sanders | 07c6d48 | 2005-06-09 21:59:22 +0100 | [diff] [blame] | 727 | depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | default y |
| 729 | |
| 730 | config CPU_FREQ_SA1110 |
| 731 | bool |
| 732 | depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3) |
| 733 | default y |
| 734 | |
| 735 | config CPU_FREQ_INTEGRATOR |
| 736 | tristate "CPUfreq driver for ARM Integrator CPUs" |
| 737 | depends on ARCH_INTEGRATOR && CPU_FREQ |
| 738 | default y |
| 739 | help |
| 740 | This enables the CPUfreq driver for ARM Integrator CPUs. |
| 741 | |
| 742 | For details, take a look at <file:Documentation/cpu-freq>. |
| 743 | |
| 744 | If in doubt, say Y. |
| 745 | |
| 746 | endmenu |
| 747 | |
| 748 | endif |
| 749 | |
| 750 | menu "Floating point emulation" |
| 751 | |
| 752 | comment "At least one emulation must be selected" |
| 753 | |
| 754 | config FPE_NWFPE |
| 755 | bool "NWFPE math emulation" |
Nicolas Pitre | 8993a44 | 2006-01-14 16:36:50 +0000 | [diff] [blame] | 756 | depends on !AEABI || OABI_COMPAT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 757 | ---help--- |
| 758 | Say Y to include the NWFPE floating point emulator in the kernel. |
| 759 | This is necessary to run most binaries. Linux does not currently |
| 760 | support floating point hardware so you need to say Y here even if |
| 761 | your machine has an FPA or floating point co-processor podule. |
| 762 | |
| 763 | You may say N here if you are going to load the Acorn FPEmulator |
| 764 | early in the bootup. |
| 765 | |
| 766 | config FPE_NWFPE_XP |
| 767 | bool "Support extended precision" |
Lennert Buytenhek | bedf142 | 2005-11-07 21:12:08 +0000 | [diff] [blame] | 768 | depends on FPE_NWFPE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | help |
| 770 | Say Y to include 80-bit support in the kernel floating-point |
| 771 | emulator. Otherwise, only 32 and 64-bit support is compiled in. |
| 772 | Note that gcc does not generate 80-bit operations by default, |
| 773 | so in most cases this option only enlarges the size of the |
| 774 | floating point emulator without any good reason. |
| 775 | |
| 776 | You almost surely want to say N here. |
| 777 | |
| 778 | config FPE_FASTFPE |
| 779 | bool "FastFPE math emulation (EXPERIMENTAL)" |
Nicolas Pitre | 8993a44 | 2006-01-14 16:36:50 +0000 | [diff] [blame] | 780 | depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | ---help--- |
| 782 | Say Y here to include the FAST floating point emulator in the kernel. |
| 783 | This is an experimental much faster emulator which now also has full |
| 784 | precision for the mantissa. It does not support any exceptions. |
| 785 | It is very simple, and approximately 3-6 times faster than NWFPE. |
| 786 | |
| 787 | It should be sufficient for most programs. It may be not suitable |
| 788 | for scientific calculations, but you have to check this for yourself. |
| 789 | If you do not feel you need a faster FP emulation you should better |
| 790 | choose NWFPE. |
| 791 | |
| 792 | config VFP |
| 793 | bool "VFP-format floating point maths" |
| 794 | depends on CPU_V6 || CPU_ARM926T |
| 795 | help |
| 796 | Say Y to include VFP support code in the kernel. This is needed |
| 797 | if your hardware includes a VFP unit. |
| 798 | |
| 799 | Please see <file:Documentation/arm/VFP/release-notes.txt> for |
| 800 | release notes and additional status information. |
| 801 | |
| 802 | Say N if your target does not have VFP hardware. |
| 803 | |
| 804 | endmenu |
| 805 | |
| 806 | menu "Userspace binary formats" |
| 807 | |
| 808 | source "fs/Kconfig.binfmt" |
| 809 | |
| 810 | config ARTHUR |
| 811 | tristate "RISC OS personality" |
Nicolas Pitre | 704bdda0 | 2006-01-14 16:33:50 +0000 | [diff] [blame] | 812 | depends on !AEABI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | help |
| 814 | Say Y here to include the kernel code necessary if you want to run |
| 815 | Acorn RISC OS/Arthur binaries under Linux. This code is still very |
| 816 | experimental; if this sounds frightening, say N and sleep in peace. |
| 817 | You can also say M here to compile this support as a module (which |
| 818 | will be called arthur). |
| 819 | |
| 820 | endmenu |
| 821 | |
| 822 | menu "Power management options" |
| 823 | |
Russell King | eceab4a | 2005-11-15 11:31:41 +0000 | [diff] [blame] | 824 | source "kernel/power/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | config APM |
| 827 | tristate "Advanced Power Management Emulation" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | ---help--- |
| 829 | APM is a BIOS specification for saving power using several different |
| 830 | techniques. This is mostly useful for battery powered laptops with |
| 831 | APM compliant BIOSes. If you say Y here, the system time will be |
| 832 | reset after a RESUME operation, the /proc/apm device will provide |
| 833 | battery status information, and user-space programs will receive |
| 834 | notification of APM "events" (e.g. battery status change). |
| 835 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | In order to use APM, you will need supporting software. For location |
| 837 | and more information, read <file:Documentation/pm.txt> and the |
| 838 | Battery Powered Linux mini-HOWTO, available from |
| 839 | <http://www.tldp.org/docs.html#howto>. |
| 840 | |
| 841 | This driver does not spin down disk drives (see the hdparm(8) |
| 842 | manpage ("man 8 hdparm") for that), and it doesn't turn off |
| 843 | VESA-compliant "green" monitors. |
| 844 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | Generally, if you don't have a battery in your machine, there isn't |
| 846 | much point in using this driver and you should say N. If you get |
| 847 | random kernel OOPSes or reboots that don't seem to be related to |
| 848 | anything, try disabling/enabling this option (or disabling/enabling |
| 849 | APM in your BIOS). |
| 850 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | endmenu |
| 852 | |
Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 853 | source "net/Kconfig" |
| 854 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | menu "Device Drivers" |
| 856 | |
| 857 | source "drivers/base/Kconfig" |
| 858 | |
Pavel Machek | c35bf4a | 2005-11-12 20:25:25 +0000 | [diff] [blame] | 859 | source "drivers/connector/Kconfig" |
| 860 | |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 861 | if ALIGNMENT_TRAP || !CPU_CP15_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 862 | source "drivers/mtd/Kconfig" |
| 863 | endif |
| 864 | |
| 865 | source "drivers/parport/Kconfig" |
| 866 | |
| 867 | source "drivers/pnp/Kconfig" |
| 868 | |
| 869 | source "drivers/block/Kconfig" |
| 870 | |
| 871 | source "drivers/acorn/block/Kconfig" |
| 872 | |
Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 873 | if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \ |
David Brownell | bb011b8 | 2005-06-12 23:26:05 +0100 | [diff] [blame] | 874 | || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ |
Lennert Buytenhek | c471307 | 2006-03-28 21:18:54 +0100 | [diff] [blame] | 875 | || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \ |
| 876 | || ARCH_IXP23XX |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | source "drivers/ide/Kconfig" |
| 878 | endif |
| 879 | |
| 880 | source "drivers/scsi/Kconfig" |
| 881 | |
Martin Michlmayr | eb370f0 | 2006-11-17 00:14:35 +0100 | [diff] [blame] | 882 | source "drivers/ata/Kconfig" |
| 883 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | source "drivers/md/Kconfig" |
| 885 | |
| 886 | source "drivers/message/fusion/Kconfig" |
| 887 | |
| 888 | source "drivers/ieee1394/Kconfig" |
| 889 | |
| 890 | source "drivers/message/i2o/Kconfig" |
| 891 | |
Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 892 | source "drivers/net/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | |
| 894 | source "drivers/isdn/Kconfig" |
| 895 | |
| 896 | # input before char - char/joystick depends on it. As does USB. |
| 897 | |
| 898 | source "drivers/input/Kconfig" |
| 899 | |
| 900 | source "drivers/char/Kconfig" |
| 901 | |
| 902 | source "drivers/i2c/Kconfig" |
| 903 | |
David Brownell | 8ae12a0 | 2006-01-08 13:34:19 -0800 | [diff] [blame] | 904 | source "drivers/spi/Kconfig" |
| 905 | |
Alessandro Zummo | 04916c0 | 2006-03-10 22:30:01 +0000 | [diff] [blame] | 906 | source "drivers/w1/Kconfig" |
| 907 | |
Jean Delvare | ad2f931 | 2005-07-02 18:15:49 +0200 | [diff] [blame] | 908 | source "drivers/hwmon/Kconfig" |
| 909 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | #source "drivers/l3/Kconfig" |
| 911 | |
| 912 | source "drivers/misc/Kconfig" |
| 913 | |
Russell King | a4e137a | 2005-08-18 10:06:59 +0100 | [diff] [blame] | 914 | source "drivers/mfd/Kconfig" |
| 915 | |
Richard Purdie | c72a1d6 | 2006-03-31 02:31:04 -0800 | [diff] [blame] | 916 | source "drivers/leds/Kconfig" |
| 917 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | source "drivers/media/Kconfig" |
| 919 | |
| 920 | source "drivers/video/Kconfig" |
| 921 | |
| 922 | source "sound/Kconfig" |
| 923 | |
| 924 | source "drivers/usb/Kconfig" |
| 925 | |
| 926 | source "drivers/mmc/Kconfig" |
| 927 | |
Alessandro Zummo | 12b824f | 2006-03-27 01:16:35 -0800 | [diff] [blame] | 928 | source "drivers/rtc/Kconfig" |
| 929 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | endmenu |
| 931 | |
| 932 | source "fs/Kconfig" |
| 933 | |
| 934 | source "arch/arm/oprofile/Kconfig" |
| 935 | |
| 936 | source "arch/arm/Kconfig.debug" |
| 937 | |
| 938 | source "security/Kconfig" |
| 939 | |
| 940 | source "crypto/Kconfig" |
| 941 | |
| 942 | source "lib/Kconfig" |