| 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 | 704bdda | 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 || \ | 
| Jürgen Schindele | 326764a | 2006-06-29 16:01:43 +0100 | [diff] [blame] | 586 | 		   ARCH_AT91RM9200 || 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 | 704bdda | 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 |  | 
 | 882 | source "drivers/md/Kconfig" | 
 | 883 |  | 
 | 884 | source "drivers/message/fusion/Kconfig" | 
 | 885 |  | 
 | 886 | source "drivers/ieee1394/Kconfig" | 
 | 887 |  | 
 | 888 | source "drivers/message/i2o/Kconfig" | 
 | 889 |  | 
| Sam Ravnborg | d5950b4 | 2005-07-11 21:03:49 -0700 | [diff] [blame] | 890 | source "drivers/net/Kconfig" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 |  | 
 | 892 | source "drivers/isdn/Kconfig" | 
 | 893 |  | 
 | 894 | # input before char - char/joystick depends on it. As does USB. | 
 | 895 |  | 
 | 896 | source "drivers/input/Kconfig" | 
 | 897 |  | 
 | 898 | source "drivers/char/Kconfig" | 
 | 899 |  | 
 | 900 | source "drivers/i2c/Kconfig" | 
 | 901 |  | 
| David Brownell | 8ae12a0 | 2006-01-08 13:34:19 -0800 | [diff] [blame] | 902 | source "drivers/spi/Kconfig" | 
 | 903 |  | 
| Alessandro Zummo | 04916c0 | 2006-03-10 22:30:01 +0000 | [diff] [blame] | 904 | source "drivers/w1/Kconfig" | 
 | 905 |  | 
| Jean Delvare | ad2f931 | 2005-07-02 18:15:49 +0200 | [diff] [blame] | 906 | source "drivers/hwmon/Kconfig" | 
 | 907 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | #source "drivers/l3/Kconfig" | 
 | 909 |  | 
 | 910 | source "drivers/misc/Kconfig" | 
 | 911 |  | 
| Russell King | a4e137a | 2005-08-18 10:06:59 +0100 | [diff] [blame] | 912 | source "drivers/mfd/Kconfig" | 
 | 913 |  | 
| Richard Purdie | c72a1d6 | 2006-03-31 02:31:04 -0800 | [diff] [blame] | 914 | source "drivers/leds/Kconfig" | 
 | 915 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | source "drivers/media/Kconfig" | 
 | 917 |  | 
 | 918 | source "drivers/video/Kconfig" | 
 | 919 |  | 
 | 920 | source "sound/Kconfig" | 
 | 921 |  | 
 | 922 | source "drivers/usb/Kconfig" | 
 | 923 |  | 
 | 924 | source "drivers/mmc/Kconfig" | 
 | 925 |  | 
| Alessandro Zummo | 12b824f | 2006-03-27 01:16:35 -0800 | [diff] [blame] | 926 | source "drivers/rtc/Kconfig" | 
 | 927 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | endmenu | 
 | 929 |  | 
 | 930 | source "fs/Kconfig" | 
 | 931 |  | 
 | 932 | source "arch/arm/oprofile/Kconfig" | 
 | 933 |  | 
 | 934 | source "arch/arm/Kconfig.debug" | 
 | 935 |  | 
 | 936 | source "security/Kconfig" | 
 | 937 |  | 
 | 938 | source "crypto/Kconfig" | 
 | 939 |  | 
 | 940 | source "lib/Kconfig" |