Kconfig 8.9 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
config FRV
	bool
	default y
S
Sam Ravnborg 已提交
4
	select HAVE_IDE
D
David Howells 已提交
5
	select HAVE_ARCH_TRACEHOOK
6
	select HAVE_PERF_EVENTS
7
	select HAVE_UID16
T
Thomas Gleixner 已提交
8
	select HAVE_GENERIC_HARDIRQS
9
	select HAVE_VIRT_TO_BUS
10
	select GENERIC_IRQ_SHOW
11
	select HAVE_DEBUG_BUGVERBOSE
12
	select ARCH_HAVE_NMI_SAFE_CMPXCHG
13
	select GENERIC_CPU_DEVICES
14
	select ARCH_WANT_IPC_PARSE_VERSION
A
Al Viro 已提交
15
	select OLD_SIGSUSPEND3
A
Al Viro 已提交
16
	select OLD_SIGACTION
L
Linus Torvalds 已提交
17

18 19 20 21
config ZONE_DMA
	bool
	default y

L
Linus Torvalds 已提交
22 23 24 25 26 27 28
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

29 30 31 32
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
33 34 35 36
config GENERIC_CALIBRATE_DELAY
	bool
	default n

37 38 39 40
config TIME_LOW_RES
	bool
	default y

41
config QUICKLIST
42 43 44
	bool
	default y

45
config ARCH_HAS_ILOG2_U32
46 47 48
	bool
	default y

49
config ARCH_HAS_ILOG2_U64
C
Christoph Lameter 已提交
50 51 52
	bool
	default y

53 54 55 56
config HZ
	int
	default 1000

L
Linus Torvalds 已提交
57 58
source "init/Kconfig"

59 60
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78

menu "Fujitsu FR-V system setup"

config MMU
	bool "MMU support"
	help
	  This options switches on and off support for the FR-V MMU
	  (effectively switching between vmlinux and uClinux). Not all FR-V
	  CPUs support this. Currently only the FR451 has a sufficiently
	  featured MMU.

config FRV_OUTOFLINE_ATOMIC_OPS
	bool "Out-of-line the FRV atomic operations"
	default n
	help
	  Setting this option causes the FR-V atomic operations to be mostly
	  implemented out-of-line.

A
Adrian Bunk 已提交
79
	  See Documentation/frv/atomic-ops.txt for more information.
L
Linus Torvalds 已提交
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101

config HIGHMEM
	bool "High memory support"
	depends on MMU
	default y
	help
	  If you wish to use more than 256MB of memory with your MMU based
	  system, you will need to select this option. The kernel can only see
	  the memory between 0xC0000000 and 0xD0000000 directly... everything
	  else must be kmapped.

	  The arch is, however, capable of supporting up to 3GB of SDRAM.

config HIGHPTE
	bool "Allocate page tables in highmem"
	depends on HIGHMEM
	default y
	help
	  The VM uses one page of memory for each page table.  For systems
	  with a lot of RAM, this can be wasteful of precious low memory.
	  Setting this option will put user-space page tables in high memory.

102 103
source "mm/Kconfig"

L
Linus Torvalds 已提交
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
choice
	prompt "uClinux kernel load address"
	depends on !MMU
	default UCPAGE_OFFSET_C0000000
	help
	  This option sets the base address for the uClinux kernel. The kernel
	  will rearrange the SDRAM layout to start at this address, and move
	  itself to start there. It must be greater than 0, and it must be
	  sufficiently less than 0xE0000000 that the SDRAM does not intersect
	  the I/O region.

	  The base address must also be aligned such that the SDRAM controller
	  can decode it. For instance, a 512MB SDRAM bank must be 512MB aligned.

config UCPAGE_OFFSET_20000000
       bool "0x20000000"

config UCPAGE_OFFSET_40000000
       bool "0x40000000"

config UCPAGE_OFFSET_60000000
       bool "0x60000000"

config UCPAGE_OFFSET_80000000
       bool "0x80000000"

config UCPAGE_OFFSET_A0000000
       bool "0xA0000000"

config UCPAGE_OFFSET_C0000000
       bool "0xC0000000 (Recommended)"

endchoice

138 139 140 141 142 143 144 145 146
config PAGE_OFFSET
	hex
	default 0x20000000 if UCPAGE_OFFSET_20000000
	default 0x40000000 if UCPAGE_OFFSET_40000000
	default 0x60000000 if UCPAGE_OFFSET_60000000
	default 0x80000000 if UCPAGE_OFFSET_80000000
	default 0xA0000000 if UCPAGE_OFFSET_A0000000
	default 0xC0000000

L
Linus Torvalds 已提交
147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279
config PROTECT_KERNEL
	bool "Protect core kernel against userspace"
	depends on !MMU
	default y
	help
	  Selecting this option causes the uClinux kernel to change the
	  permittivity of DAMPR register covering the core kernel image to
	  prevent userspace accessing the underlying memory directly.

choice
	prompt "CPU Caching mode"
	default FRV_DEFL_CACHE_WBACK
	help
	  This option determines the default caching mode for the kernel.

	  Write-Back caching mode involves the all reads and writes causing
	  the affected cacheline to be read into the cache first before being
	  operated upon. Memory is not then updated by a write until the cache
	  is filled and a cacheline needs to be displaced from the cache to
	  make room. Only at that point is it written back.

	  Write-Behind caching is similar to Write-Back caching, except that a
	  write won't fetch a cacheline into the cache if there isn't already
	  one there; it will write directly to memory instead.

	  Write-Through caching only fetches cachelines from memory on a
	  read. Writes always get written directly to memory. If the affected
	  cacheline is also in cache, it will be updated too.

	  The final option is to turn of caching entirely.

	  Note that not all CPUs support Write-Behind caching. If the CPU on
	  which the kernel is running doesn't, it'll fall back to Write-Back
	  caching.

config FRV_DEFL_CACHE_WBACK
	bool "Write-Back"

config FRV_DEFL_CACHE_WBEHIND
	bool "Write-Behind"

config FRV_DEFL_CACHE_WTHRU
	bool "Write-Through"

config FRV_DEFL_CACHE_DISABLED
	bool "Disabled"

endchoice

menu "CPU core support"

config CPU_FR401
	bool "Include FR401 core support"
	depends on !MMU
	default y
	help
	  This enables support for the FR401, FR401A and FR403 CPUs

config CPU_FR405
	bool "Include FR405 core support"
	depends on !MMU
	default y
	help
	  This enables support for the FR405 CPU

config CPU_FR451
	bool "Include FR451 core support"
	default y
	help
	  This enables support for the FR451 CPU

config CPU_FR451_COMPILE
	bool "Specifically compile for FR451 core"
	depends on CPU_FR451 && !CPU_FR401 && !CPU_FR405 && !CPU_FR551
	default y
	help
	  This causes appropriate flags to be passed to the compiler to
	  optimise for the FR451 CPU

config CPU_FR551
	bool "Include FR551 core support"
	depends on !MMU
	default y
	help
	  This enables support for the FR555 CPU

config CPU_FR551_COMPILE
	bool "Specifically compile for FR551 core"
	depends on CPU_FR551 && !CPU_FR401 && !CPU_FR405 && !CPU_FR451
	default y
	help
	  This causes appropriate flags to be passed to the compiler to
	  optimise for the FR555 CPU

config FRV_L1_CACHE_SHIFT
	int
	default "5" if CPU_FR401 || CPU_FR405 || CPU_FR451
	default "6" if CPU_FR551

endmenu

choice
	prompt "System support"
	default MB93091_VDK

config MB93091_VDK
	bool "MB93091 CPU board with or without motherboard"

config MB93093_PDK
	bool "MB93093 PDK unit"

endchoice

if MB93091_VDK
choice
	prompt "Motherboard support"
	default MB93090_MB00

config MB93090_MB00
	bool "Use the MB93090-MB00 motherboard"
	help
	  Select this option if the MB93091 CPU board is going to be used with
	  a MB93090-MB00 VDK motherboard

config MB93091_NO_MB
	bool "Use standalone"
	help
	  Select this option if the MB93091 CPU board is going to be used
	  without a motherboard

endchoice
endif

280 281 282 283 284 285
config FUJITSU_MB93493
	bool "MB93493 Multimedia chip"
	help
	  Select this option if the MB93493 multimedia chip is going to be
	  used.

L
Linus Torvalds 已提交
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
choice
	prompt "GP-Relative data support"
	default GPREL_DATA_8
	help
	  This option controls what data, if any, should be placed in the GP
	  relative data sections. Using this means that the compiler can
	  generate accesses to the data using GR16-relative addressing which
	  is faster than absolute instructions and saves space (2 instructions
	  per access).

	  However, the GPREL region is limited in size because the immediate
	  value used in the load and store instructions is limited to a 12-bit
	  signed number.

	  So if the linker starts complaining that accesses to GPREL data are
	  out of range, try changing this option from the default.

	  Note that modules will always be compiled with this feature disabled
	  as the module data will not be in range of the GP base address.

config GPREL_DATA_8
	bool "Put data objects of up to 8 bytes into GP-REL"

config GPREL_DATA_4
	bool "Put data objects of up to 4 bytes into GP-REL"

config GPREL_DATA_NONE
	bool "Don't use GP-REL"

endchoice

317 318 319 320 321
config FRV_ONCPU_SERIAL
	bool "Use on-CPU serial ports"
	select SERIAL_8250
	default y

L
Linus Torvalds 已提交
322 323 324 325
config PCI
	bool "Use PCI"
	depends on MB93090_MB00
	default y
326
	select GENERIC_PCI_IOMAP
L
Linus Torvalds 已提交
327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
	help
	  Some FR-V systems (such as the MB93090-MB00 VDK) have PCI
	  onboard. If you have one of these boards and you wish to use the PCI
	  facilities, say Y here.

config RESERVE_DMA_COHERENT
	bool "Reserve DMA coherent memory"
	depends on PCI && !MMU
	default y
	help
	  Many PCI drivers require access to uncached memory for DMA device
	  communications (such as is done with some Ethernet buffer rings). If
	  a fully featured MMU is available, this can be done through page
	  table settings, but if not, a region has to be set aside and marked
	  with a special DAMPR register.

	  Setting this option causes uClinux to set aside a portion of the
	  available memory for use in this manner. The memory will then be
	  unavailable for normal kernel use.

source "drivers/pci/Kconfig"

349
source "drivers/pcmcia/Kconfig"
L
Linus Torvalds 已提交
350 351

menu "Power management options"
J
Johannes Berg 已提交
352 353 354 355

config ARCH_SUSPEND_POSSIBLE
	def_bool y

L
Linus Torvalds 已提交
356 357 358 359 360 361 362 363 364 365 366 367
source kernel/power/Kconfig
endmenu

endmenu


menu "Executable formats"

source "fs/Kconfig.binfmt"

endmenu

368 369
source "net/Kconfig"

L
Linus Torvalds 已提交
370 371 372 373 374 375 376 377 378 379 380
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/frv/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"