1 # SPDX-License-Identifier: GPL-2.0 !! 1 config MIPS
2 source "arch/powerpc/platforms/Kconfig.cputype !! 2 bool
>> 3 default y
>> 4 select ARCH_SUPPORTS_UPROBES
>> 5 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 6 select ARCH_MIGHT_HAVE_PC_SERIO
>> 7 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
>> 8 select ARCH_USE_BUILTIN_BSWAP
>> 9 select HAVE_CONTEXT_TRACKING
>> 10 select HAVE_GENERIC_DMA_COHERENT
>> 11 select HAVE_IDE
>> 12 select HAVE_IRQ_EXIT_ON_IRQ_STACK
>> 13 select HAVE_OPROFILE
>> 14 select HAVE_PERF_EVENTS
>> 15 select PERF_USE_VMALLOC
>> 16 select HAVE_ARCH_KGDB
>> 17 select HAVE_ARCH_MMAP_RND_BITS if MMU
>> 18 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
>> 19 select HAVE_ARCH_SECCOMP_FILTER
>> 20 select HAVE_ARCH_TRACEHOOK
>> 21 select HAVE_CBPF_JIT if !CPU_MICROMIPS
>> 22 select HAVE_FUNCTION_TRACER
>> 23 select HAVE_DYNAMIC_FTRACE
>> 24 select HAVE_FTRACE_MCOUNT_RECORD
>> 25 select HAVE_C_RECORDMCOUNT
>> 26 select HAVE_FUNCTION_GRAPH_TRACER
>> 27 select HAVE_KPROBES
>> 28 select HAVE_KRETPROBES
>> 29 select HAVE_SYSCALL_TRACEPOINTS
>> 30 select HAVE_DEBUG_KMEMLEAK
>> 31 select HAVE_SYSCALL_TRACEPOINTS
>> 32 select ARCH_HAS_ELF_RANDOMIZE
>> 33 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 34 select RTC_LIB if !MACH_LOONGSON64
>> 35 select GENERIC_ATOMIC64 if !64BIT
>> 36 select HAVE_DMA_CONTIGUOUS
>> 37 select HAVE_DMA_API_DEBUG
>> 38 select GENERIC_IRQ_PROBE
>> 39 select GENERIC_IRQ_SHOW
>> 40 select GENERIC_PCI_IOMAP
>> 41 select HAVE_ARCH_JUMP_LABEL
>> 42 select ARCH_WANT_IPC_PARSE_VERSION
>> 43 select IRQ_FORCED_THREADING
>> 44 select HAVE_MEMBLOCK
>> 45 select HAVE_MEMBLOCK_NODE_MAP
>> 46 select ARCH_DISCARD_MEMBLOCK
>> 47 select GENERIC_SMP_IDLE_THREAD
>> 48 select BUILDTIME_EXTABLE_SORT
>> 49 select GENERIC_CPU_AUTOPROBE
>> 50 select GENERIC_CLOCKEVENTS
>> 51 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
>> 52 select GENERIC_CMOS_UPDATE
>> 53 select HAVE_MOD_ARCH_SPECIFIC
>> 54 select HAVE_NMI
>> 55 select VIRT_TO_BUS
>> 56 select MODULES_USE_ELF_REL if MODULES
>> 57 select MODULES_USE_ELF_RELA if MODULES && 64BIT
>> 58 select CLONE_BACKWARDS
>> 59 select HAVE_DEBUG_STACKOVERFLOW
>> 60 select HAVE_CC_STACKPROTECTOR
>> 61 select CPU_PM if CPU_IDLE
>> 62 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
>> 63 select ARCH_BINFMT_ELF_STATE
>> 64 select SYSCTL_EXCEPTION_TRACE
>> 65 select HAVE_VIRT_CPU_ACCOUNTING_GEN
>> 66 select HAVE_IRQ_TIME_ACCOUNTING
>> 67 select GENERIC_TIME_VSYSCALL
>> 68 select ARCH_CLOCKSOURCE_DATA
>> 69 select HANDLE_DOMAIN_IRQ
>> 70 select HAVE_EXIT_THREAD
>> 71 select HAVE_REGS_AND_STACK_ACCESS_API
>> 72 select HAVE_COPY_THREAD_TLS
3 73
4 config CC_HAS_ELFV2 !! 74 menu "Machine selection"
5 def_bool PPC64 && $(cc-option, -mabi=e <<
6 75
7 config CC_HAS_PREFIXED !! 76 choice
8 def_bool PPC64 && $(cc-option, -mcpu=p !! 77 prompt "System type"
>> 78 default SGI_IP22
9 79
10 config CC_HAS_PCREL !! 80 config MIPS_GENERIC
11 # Clang has a bug (https://github.com/ !! 81 bool "Generic board-agnostic MIPS kernel"
12 # where pcrel code is not generated if !! 82 select BOOT_RAW
13 # -mno-vsx options are also given. Wit !! 83 select BUILTIN_DTB
14 # instructions are generated from regu !! 84 select CEVT_R4K
15 # do pcrel yet. !! 85 select CLKSRC_MIPS_GIC
16 def_bool PPC64 && CC_IS_GCC && $(cc-op !! 86 select COMMON_CLK
>> 87 select CPU_MIPSR2_IRQ_VI
>> 88 select CPU_MIPSR2_IRQ_EI
>> 89 select CSRC_R4K
>> 90 select DMA_PERDEV_COHERENT
>> 91 select HW_HAS_PCI
>> 92 select IRQ_MIPS_CPU
>> 93 select LIBFDT
>> 94 select MIPS_CPU_SCACHE
>> 95 select MIPS_GIC
>> 96 select MIPS_L1_CACHE_SHIFT_7
>> 97 select NO_EXCEPT_FILL
>> 98 select PCI_DRIVERS_GENERIC
>> 99 select PINCTRL
>> 100 select SMP_UP if SMP
>> 101 select SWAP_IO_SPACE
>> 102 select SYS_HAS_CPU_MIPS32_R1
>> 103 select SYS_HAS_CPU_MIPS32_R2
>> 104 select SYS_HAS_CPU_MIPS32_R6
>> 105 select SYS_HAS_CPU_MIPS64_R1
>> 106 select SYS_HAS_CPU_MIPS64_R2
>> 107 select SYS_HAS_CPU_MIPS64_R6
>> 108 select SYS_SUPPORTS_32BIT_KERNEL
>> 109 select SYS_SUPPORTS_64BIT_KERNEL
>> 110 select SYS_SUPPORTS_BIG_ENDIAN
>> 111 select SYS_SUPPORTS_HIGHMEM
>> 112 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 113 select SYS_SUPPORTS_MICROMIPS
>> 114 select SYS_SUPPORTS_MIPS_CPS
>> 115 select SYS_SUPPORTS_MIPS16
>> 116 select SYS_SUPPORTS_MULTITHREADING
>> 117 select SYS_SUPPORTS_RELOCATABLE
>> 118 select SYS_SUPPORTS_SMARTMIPS
>> 119 select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 120 select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 121 select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 122 select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 123 select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 124 select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 125 select USE_OF
>> 126 help
>> 127 Select this to build a kernel which aims to support multiple boards,
>> 128 generally using a flattened device tree passed from the bootloader
>> 129 using the boot protocol defined in the UHI (Unified Hosting
>> 130 Interface) specification.
>> 131
>> 132 config MIPS_ALCHEMY
>> 133 bool "Alchemy processor based machines"
>> 134 select ARCH_PHYS_ADDR_T_64BIT
>> 135 select CEVT_R4K
>> 136 select CSRC_R4K
>> 137 select IRQ_MIPS_CPU
>> 138 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
>> 139 select SYS_HAS_CPU_MIPS32_R1
>> 140 select SYS_SUPPORTS_32BIT_KERNEL
>> 141 select SYS_SUPPORTS_APM_EMULATION
>> 142 select GPIOLIB
>> 143 select SYS_SUPPORTS_ZBOOT
>> 144 select COMMON_CLK
>> 145
>> 146 config AR7
>> 147 bool "Texas Instruments AR7"
>> 148 select BOOT_ELF32
>> 149 select DMA_NONCOHERENT
>> 150 select CEVT_R4K
>> 151 select CSRC_R4K
>> 152 select IRQ_MIPS_CPU
>> 153 select NO_EXCEPT_FILL
>> 154 select SWAP_IO_SPACE
>> 155 select SYS_HAS_CPU_MIPS32_R1
>> 156 select SYS_HAS_EARLY_PRINTK
>> 157 select SYS_SUPPORTS_32BIT_KERNEL
>> 158 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 159 select SYS_SUPPORTS_MIPS16
>> 160 select SYS_SUPPORTS_ZBOOT_UART16550
>> 161 select GPIOLIB
>> 162 select VLYNQ
>> 163 select HAVE_CLK
>> 164 help
>> 165 Support for the Texas Instruments AR7 System-on-a-Chip
>> 166 family: TNETD7100, 7200 and 7300.
>> 167
>> 168 config ATH25
>> 169 bool "Atheros AR231x/AR531x SoC support"
>> 170 select CEVT_R4K
>> 171 select CSRC_R4K
>> 172 select DMA_NONCOHERENT
>> 173 select IRQ_MIPS_CPU
>> 174 select IRQ_DOMAIN
>> 175 select SYS_HAS_CPU_MIPS32_R1
>> 176 select SYS_SUPPORTS_BIG_ENDIAN
>> 177 select SYS_SUPPORTS_32BIT_KERNEL
>> 178 select SYS_HAS_EARLY_PRINTK
>> 179 help
>> 180 Support for Atheros AR231x and Atheros AR531x based boards
>> 181
>> 182 config ATH79
>> 183 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 184 select ARCH_HAS_RESET_CONTROLLER
>> 185 select BOOT_RAW
>> 186 select CEVT_R4K
>> 187 select CSRC_R4K
>> 188 select DMA_NONCOHERENT
>> 189 select GPIOLIB
>> 190 select HAVE_CLK
>> 191 select COMMON_CLK
>> 192 select CLKDEV_LOOKUP
>> 193 select IRQ_MIPS_CPU
>> 194 select MIPS_MACHINE
>> 195 select SYS_HAS_CPU_MIPS32_R2
>> 196 select SYS_HAS_EARLY_PRINTK
>> 197 select SYS_SUPPORTS_32BIT_KERNEL
>> 198 select SYS_SUPPORTS_BIG_ENDIAN
>> 199 select SYS_SUPPORTS_MIPS16
>> 200 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 201 select USE_OF
>> 202 help
>> 203 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 204
>> 205 config BMIPS_GENERIC
>> 206 bool "Broadcom Generic BMIPS kernel"
>> 207 select BOOT_RAW
>> 208 select NO_EXCEPT_FILL
>> 209 select USE_OF
>> 210 select CEVT_R4K
>> 211 select CSRC_R4K
>> 212 select SYNC_R4K
>> 213 select COMMON_CLK
>> 214 select BCM6345_L1_IRQ
>> 215 select BCM7038_L1_IRQ
>> 216 select BCM7120_L2_IRQ
>> 217 select BRCMSTB_L2_IRQ
>> 218 select IRQ_MIPS_CPU
>> 219 select DMA_NONCOHERENT
>> 220 select SYS_SUPPORTS_32BIT_KERNEL
>> 221 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 222 select SYS_SUPPORTS_BIG_ENDIAN
>> 223 select SYS_SUPPORTS_HIGHMEM
>> 224 select SYS_HAS_CPU_BMIPS32_3300
>> 225 select SYS_HAS_CPU_BMIPS4350
>> 226 select SYS_HAS_CPU_BMIPS4380
>> 227 select SYS_HAS_CPU_BMIPS5000
>> 228 select SWAP_IO_SPACE
>> 229 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 230 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 231 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 232 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 233 help
>> 234 Build a generic DT-based kernel image that boots on select
>> 235 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 236 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 237 must be set appropriately for your board.
>> 238
>> 239 config BCM47XX
>> 240 bool "Broadcom BCM47XX based boards"
>> 241 select BOOT_RAW
>> 242 select CEVT_R4K
>> 243 select CSRC_R4K
>> 244 select DMA_NONCOHERENT
>> 245 select HW_HAS_PCI
>> 246 select IRQ_MIPS_CPU
>> 247 select SYS_HAS_CPU_MIPS32_R1
>> 248 select NO_EXCEPT_FILL
>> 249 select SYS_SUPPORTS_32BIT_KERNEL
>> 250 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 251 select SYS_SUPPORTS_MIPS16
>> 252 select SYS_HAS_EARLY_PRINTK
>> 253 select USE_GENERIC_EARLY_PRINTK_8250
>> 254 select GPIOLIB
>> 255 select LEDS_GPIO_REGISTER
>> 256 select BCM47XX_NVRAM
>> 257 select BCM47XX_SPROM
>> 258 help
>> 259 Support for BCM47XX based boards
>> 260
>> 261 config BCM63XX
>> 262 bool "Broadcom BCM63XX based boards"
>> 263 select BOOT_RAW
>> 264 select CEVT_R4K
>> 265 select CSRC_R4K
>> 266 select SYNC_R4K
>> 267 select DMA_NONCOHERENT
>> 268 select IRQ_MIPS_CPU
>> 269 select SYS_SUPPORTS_32BIT_KERNEL
>> 270 select SYS_SUPPORTS_BIG_ENDIAN
>> 271 select SYS_HAS_EARLY_PRINTK
>> 272 select SWAP_IO_SPACE
>> 273 select GPIOLIB
>> 274 select HAVE_CLK
>> 275 select MIPS_L1_CACHE_SHIFT_4
>> 276 help
>> 277 Support for BCM63XX based boards
>> 278
>> 279 config MIPS_COBALT
>> 280 bool "Cobalt Server"
>> 281 select CEVT_R4K
>> 282 select CSRC_R4K
>> 283 select CEVT_GT641XX
>> 284 select DMA_NONCOHERENT
>> 285 select HW_HAS_PCI
>> 286 select I8253
>> 287 select I8259
>> 288 select IRQ_MIPS_CPU
>> 289 select IRQ_GT641XX
>> 290 select PCI_GT64XXX_PCI0
>> 291 select PCI
>> 292 select SYS_HAS_CPU_NEVADA
>> 293 select SYS_HAS_EARLY_PRINTK
>> 294 select SYS_SUPPORTS_32BIT_KERNEL
>> 295 select SYS_SUPPORTS_64BIT_KERNEL
>> 296 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 297 select USE_GENERIC_EARLY_PRINTK_8250
>> 298
>> 299 config MACH_DECSTATION
>> 300 bool "DECstations"
>> 301 select BOOT_ELF32
>> 302 select CEVT_DS1287
>> 303 select CEVT_R4K if CPU_R4X00
>> 304 select CSRC_IOASIC
>> 305 select CSRC_R4K if CPU_R4X00
>> 306 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 307 select CPU_R4000_WORKAROUNDS if 64BIT
>> 308 select CPU_R4400_WORKAROUNDS if 64BIT
>> 309 select DMA_NONCOHERENT
>> 310 select NO_IOPORT_MAP
>> 311 select IRQ_MIPS_CPU
>> 312 select SYS_HAS_CPU_R3000
>> 313 select SYS_HAS_CPU_R4X00
>> 314 select SYS_SUPPORTS_32BIT_KERNEL
>> 315 select SYS_SUPPORTS_64BIT_KERNEL
>> 316 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 317 select SYS_SUPPORTS_128HZ
>> 318 select SYS_SUPPORTS_256HZ
>> 319 select SYS_SUPPORTS_1024HZ
>> 320 select MIPS_L1_CACHE_SHIFT_4
>> 321 help
>> 322 This enables support for DEC's MIPS based workstations. For details
>> 323 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 324 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 325
>> 326 If you have one of the following DECstation Models you definitely
>> 327 want to choose R4xx0 for the CPU Type:
>> 328
>> 329 DECstation 5000/50
>> 330 DECstation 5000/150
>> 331 DECstation 5000/260
>> 332 DECsystem 5900/260
>> 333
>> 334 otherwise choose R3000.
>> 335
>> 336 config MACH_JAZZ
>> 337 bool "Jazz family of machines"
>> 338 select FW_ARC
>> 339 select FW_ARC32
>> 340 select ARCH_MAY_HAVE_PC_FDC
>> 341 select CEVT_R4K
>> 342 select CSRC_R4K
>> 343 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 344 select GENERIC_ISA_DMA
>> 345 select HAVE_PCSPKR_PLATFORM
>> 346 select IRQ_MIPS_CPU
>> 347 select I8253
>> 348 select I8259
>> 349 select ISA
>> 350 select SYS_HAS_CPU_R4X00
>> 351 select SYS_SUPPORTS_32BIT_KERNEL
>> 352 select SYS_SUPPORTS_64BIT_KERNEL
>> 353 select SYS_SUPPORTS_100HZ
>> 354 help
>> 355 This a family of machines based on the MIPS R4030 chipset which was
>> 356 used by several vendors to build RISC/os and Windows NT workstations.
>> 357 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 358 Olivetti M700-10 workstations.
>> 359
>> 360 config MACH_INGENIC
>> 361 bool "Ingenic SoC based machines"
>> 362 select SYS_SUPPORTS_32BIT_KERNEL
>> 363 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 364 select SYS_SUPPORTS_ZBOOT_UART16550
>> 365 select DMA_NONCOHERENT
>> 366 select IRQ_MIPS_CPU
>> 367 select GPIOLIB
>> 368 select COMMON_CLK
>> 369 select GENERIC_IRQ_CHIP
>> 370 select BUILTIN_DTB
>> 371 select USE_OF
>> 372 select LIBFDT
>> 373
>> 374 config LANTIQ
>> 375 bool "Lantiq based platforms"
>> 376 select DMA_NONCOHERENT
>> 377 select IRQ_MIPS_CPU
>> 378 select CEVT_R4K
>> 379 select CSRC_R4K
>> 380 select SYS_HAS_CPU_MIPS32_R1
>> 381 select SYS_HAS_CPU_MIPS32_R2
>> 382 select SYS_SUPPORTS_BIG_ENDIAN
>> 383 select SYS_SUPPORTS_32BIT_KERNEL
>> 384 select SYS_SUPPORTS_MIPS16
>> 385 select SYS_SUPPORTS_MULTITHREADING
>> 386 select SYS_HAS_EARLY_PRINTK
>> 387 select GPIOLIB
>> 388 select SWAP_IO_SPACE
>> 389 select BOOT_RAW
>> 390 select CLKDEV_LOOKUP
>> 391 select USE_OF
>> 392 select PINCTRL
>> 393 select PINCTRL_LANTIQ
>> 394 select ARCH_HAS_RESET_CONTROLLER
>> 395 select RESET_CONTROLLER
>> 396
>> 397 config LASAT
>> 398 bool "LASAT Networks platforms"
>> 399 select CEVT_R4K
>> 400 select CRC32
>> 401 select CSRC_R4K
>> 402 select DMA_NONCOHERENT
>> 403 select SYS_HAS_EARLY_PRINTK
>> 404 select HW_HAS_PCI
>> 405 select IRQ_MIPS_CPU
>> 406 select PCI_GT64XXX_PCI0
>> 407 select MIPS_NILE4
>> 408 select R5000_CPU_SCACHE
>> 409 select SYS_HAS_CPU_R5000
>> 410 select SYS_SUPPORTS_32BIT_KERNEL
>> 411 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 412 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 413
>> 414 config MACH_LOONGSON32
>> 415 bool "Loongson-1 family of machines"
>> 416 select SYS_SUPPORTS_ZBOOT
>> 417 help
>> 418 This enables support for the Loongson-1 family of machines.
>> 419
>> 420 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 421 the Institute of Computing Technology (ICT), Chinese Academy of
>> 422 Sciences (CAS).
>> 423
>> 424 config MACH_LOONGSON64
>> 425 bool "Loongson-2/3 family of machines"
>> 426 select SYS_SUPPORTS_ZBOOT
>> 427 help
>> 428 This enables the support of Loongson-2/3 family of machines.
>> 429
>> 430 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
>> 431 family of multi-core CPUs. They are both 64-bit general-purpose
>> 432 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
>> 433 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
>> 434 in the People's Republic of China. The chief architect is Professor
>> 435 Weiwu Hu.
>> 436
>> 437 config MACH_PISTACHIO
>> 438 bool "IMG Pistachio SoC based boards"
>> 439 select BOOT_ELF32
>> 440 select BOOT_RAW
>> 441 select CEVT_R4K
>> 442 select CLKSRC_MIPS_GIC
>> 443 select COMMON_CLK
>> 444 select CSRC_R4K
>> 445 select DMA_NONCOHERENT
>> 446 select GPIOLIB
>> 447 select IRQ_MIPS_CPU
>> 448 select LIBFDT
>> 449 select MFD_SYSCON
>> 450 select MIPS_CPU_SCACHE
>> 451 select MIPS_GIC
>> 452 select PINCTRL
>> 453 select REGULATOR
>> 454 select SYS_HAS_CPU_MIPS32_R2
>> 455 select SYS_SUPPORTS_32BIT_KERNEL
>> 456 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 457 select SYS_SUPPORTS_MIPS_CPS
>> 458 select SYS_SUPPORTS_MULTITHREADING
>> 459 select SYS_SUPPORTS_RELOCATABLE
>> 460 select SYS_SUPPORTS_ZBOOT
>> 461 select SYS_HAS_EARLY_PRINTK
>> 462 select USE_GENERIC_EARLY_PRINTK_8250
>> 463 select USE_OF
>> 464 help
>> 465 This enables support for the IMG Pistachio SoC platform.
>> 466
>> 467 config MACH_XILFPGA
>> 468 bool "MIPSfpga Xilinx based boards"
>> 469 select BOOT_ELF32
>> 470 select BOOT_RAW
>> 471 select BUILTIN_DTB
>> 472 select CEVT_R4K
>> 473 select COMMON_CLK
>> 474 select CSRC_R4K
>> 475 select GPIOLIB
>> 476 select IRQ_MIPS_CPU
>> 477 select LIBFDT
>> 478 select MIPS_CPU_SCACHE
>> 479 select SYS_HAS_EARLY_PRINTK
>> 480 select SYS_HAS_CPU_MIPS32_R2
>> 481 select SYS_SUPPORTS_32BIT_KERNEL
>> 482 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 483 select SYS_SUPPORTS_ZBOOT_UART16550
>> 484 select USE_OF
>> 485 select USE_GENERIC_EARLY_PRINTK_8250
>> 486 select XILINX_INTC
>> 487 help
>> 488 This enables support for the IMG University Program MIPSfpga platform.
>> 489
>> 490 config MIPS_MALTA
>> 491 bool "MIPS Malta board"
>> 492 select ARCH_MAY_HAVE_PC_FDC
>> 493 select BOOT_ELF32
>> 494 select BOOT_RAW
>> 495 select BUILTIN_DTB
>> 496 select CEVT_R4K
>> 497 select CSRC_R4K
>> 498 select CLKSRC_MIPS_GIC
>> 499 select COMMON_CLK
>> 500 select DMA_MAYBE_COHERENT
>> 501 select GENERIC_ISA_DMA
>> 502 select HAVE_PCSPKR_PLATFORM
>> 503 select IRQ_MIPS_CPU
>> 504 select MIPS_GIC
>> 505 select HW_HAS_PCI
>> 506 select I8253
>> 507 select I8259
>> 508 select MIPS_BONITO64
>> 509 select MIPS_CPU_SCACHE
>> 510 select MIPS_L1_CACHE_SHIFT_6
>> 511 select PCI_GT64XXX_PCI0
>> 512 select MIPS_MSC
>> 513 select SMP_UP if SMP
>> 514 select SWAP_IO_SPACE
>> 515 select SYS_HAS_CPU_MIPS32_R1
>> 516 select SYS_HAS_CPU_MIPS32_R2
>> 517 select SYS_HAS_CPU_MIPS32_R3_5
>> 518 select SYS_HAS_CPU_MIPS32_R5
>> 519 select SYS_HAS_CPU_MIPS32_R6
>> 520 select SYS_HAS_CPU_MIPS64_R1
>> 521 select SYS_HAS_CPU_MIPS64_R2
>> 522 select SYS_HAS_CPU_MIPS64_R6
>> 523 select SYS_HAS_CPU_NEVADA
>> 524 select SYS_HAS_CPU_RM7000
>> 525 select SYS_SUPPORTS_32BIT_KERNEL
>> 526 select SYS_SUPPORTS_64BIT_KERNEL
>> 527 select SYS_SUPPORTS_BIG_ENDIAN
>> 528 select SYS_SUPPORTS_HIGHMEM
>> 529 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 530 select SYS_SUPPORTS_MICROMIPS
>> 531 select SYS_SUPPORTS_MIPS_CMP
>> 532 select SYS_SUPPORTS_MIPS_CPS
>> 533 select SYS_SUPPORTS_MIPS16
>> 534 select SYS_SUPPORTS_MULTITHREADING
>> 535 select SYS_SUPPORTS_SMARTMIPS
>> 536 select SYS_SUPPORTS_ZBOOT
>> 537 select SYS_SUPPORTS_RELOCATABLE
>> 538 select USE_OF
>> 539 select LIBFDT
>> 540 select ZONE_DMA32 if 64BIT
>> 541 select BUILTIN_DTB
>> 542 select LIBFDT
>> 543 help
>> 544 This enables support for the MIPS Technologies Malta evaluation
>> 545 board.
>> 546
>> 547 config MACH_PIC32
>> 548 bool "Microchip PIC32 Family"
>> 549 help
>> 550 This enables support for the Microchip PIC32 family of platforms.
>> 551
>> 552 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 553 microcontrollers.
>> 554
>> 555 config NEC_MARKEINS
>> 556 bool "NEC EMMA2RH Mark-eins board"
>> 557 select SOC_EMMA2RH
>> 558 select HW_HAS_PCI
>> 559 help
>> 560 This enables support for the NEC Electronics Mark-eins boards.
>> 561
>> 562 config MACH_VR41XX
>> 563 bool "NEC VR4100 series based machines"
>> 564 select CEVT_R4K
>> 565 select CSRC_R4K
>> 566 select SYS_HAS_CPU_VR41XX
>> 567 select SYS_SUPPORTS_MIPS16
>> 568 select GPIOLIB
>> 569
>> 570 config NXP_STB220
>> 571 bool "NXP STB220 board"
>> 572 select SOC_PNX833X
>> 573 help
>> 574 Support for NXP Semiconductors STB220 Development Board.
>> 575
>> 576 config NXP_STB225
>> 577 bool "NXP 225 board"
>> 578 select SOC_PNX833X
>> 579 select SOC_PNX8335
>> 580 help
>> 581 Support for NXP Semiconductors STB225 Development Board.
>> 582
>> 583 config PMC_MSP
>> 584 bool "PMC-Sierra MSP chipsets"
>> 585 select CEVT_R4K
>> 586 select CSRC_R4K
>> 587 select DMA_NONCOHERENT
>> 588 select SWAP_IO_SPACE
>> 589 select NO_EXCEPT_FILL
>> 590 select BOOT_RAW
>> 591 select SYS_HAS_CPU_MIPS32_R1
>> 592 select SYS_HAS_CPU_MIPS32_R2
>> 593 select SYS_SUPPORTS_32BIT_KERNEL
>> 594 select SYS_SUPPORTS_BIG_ENDIAN
>> 595 select SYS_SUPPORTS_MIPS16
>> 596 select IRQ_MIPS_CPU
>> 597 select SERIAL_8250
>> 598 select SERIAL_8250_CONSOLE
>> 599 select USB_EHCI_BIG_ENDIAN_MMIO
>> 600 select USB_EHCI_BIG_ENDIAN_DESC
>> 601 help
>> 602 This adds support for the PMC-Sierra family of Multi-Service
>> 603 Processor System-On-A-Chips. These parts include a number
>> 604 of integrated peripherals, interfaces and DSPs in addition to
>> 605 a variety of MIPS cores.
>> 606
>> 607 config RALINK
>> 608 bool "Ralink based machines"
>> 609 select CEVT_R4K
>> 610 select CSRC_R4K
>> 611 select BOOT_RAW
>> 612 select DMA_NONCOHERENT
>> 613 select IRQ_MIPS_CPU
>> 614 select USE_OF
>> 615 select SYS_HAS_CPU_MIPS32_R1
>> 616 select SYS_HAS_CPU_MIPS32_R2
>> 617 select SYS_SUPPORTS_32BIT_KERNEL
>> 618 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 619 select SYS_SUPPORTS_MIPS16
>> 620 select SYS_HAS_EARLY_PRINTK
>> 621 select CLKDEV_LOOKUP
>> 622 select ARCH_HAS_RESET_CONTROLLER
>> 623 select RESET_CONTROLLER
>> 624
>> 625 config SGI_IP22
>> 626 bool "SGI IP22 (Indy/Indigo2)"
>> 627 select FW_ARC
>> 628 select FW_ARC32
>> 629 select BOOT_ELF32
>> 630 select CEVT_R4K
>> 631 select CSRC_R4K
>> 632 select DEFAULT_SGI_PARTITION
>> 633 select DMA_NONCOHERENT
>> 634 select HW_HAS_EISA
>> 635 select I8253
>> 636 select I8259
>> 637 select IP22_CPU_SCACHE
>> 638 select IRQ_MIPS_CPU
>> 639 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 640 select SGI_HAS_I8042
>> 641 select SGI_HAS_INDYDOG
>> 642 select SGI_HAS_HAL2
>> 643 select SGI_HAS_SEEQ
>> 644 select SGI_HAS_WD93
>> 645 select SGI_HAS_ZILOG
>> 646 select SWAP_IO_SPACE
>> 647 select SYS_HAS_CPU_R4X00
>> 648 select SYS_HAS_CPU_R5000
>> 649 #
>> 650 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 651 # memory during early boot on some machines.
>> 652 #
>> 653 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 654 # for a more details discussion
>> 655 #
>> 656 # select SYS_HAS_EARLY_PRINTK
>> 657 select SYS_SUPPORTS_32BIT_KERNEL
>> 658 select SYS_SUPPORTS_64BIT_KERNEL
>> 659 select SYS_SUPPORTS_BIG_ENDIAN
>> 660 select MIPS_L1_CACHE_SHIFT_7
>> 661 help
>> 662 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 663 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 664 that runs on these, say Y here.
>> 665
>> 666 config SGI_IP27
>> 667 bool "SGI IP27 (Origin200/2000)"
>> 668 select FW_ARC
>> 669 select FW_ARC64
>> 670 select BOOT_ELF64
>> 671 select DEFAULT_SGI_PARTITION
>> 672 select DMA_COHERENT
>> 673 select SYS_HAS_EARLY_PRINTK
>> 674 select HW_HAS_PCI
>> 675 select NR_CPUS_DEFAULT_64
>> 676 select SYS_HAS_CPU_R10000
>> 677 select SYS_SUPPORTS_64BIT_KERNEL
>> 678 select SYS_SUPPORTS_BIG_ENDIAN
>> 679 select SYS_SUPPORTS_NUMA
>> 680 select SYS_SUPPORTS_SMP
>> 681 select MIPS_L1_CACHE_SHIFT_7
>> 682 help
>> 683 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 684 workstations. To compile a Linux kernel that runs on these, say Y
>> 685 here.
>> 686
>> 687 config SGI_IP28
>> 688 bool "SGI IP28 (Indigo2 R10k)"
>> 689 select FW_ARC
>> 690 select FW_ARC64
>> 691 select BOOT_ELF64
>> 692 select CEVT_R4K
>> 693 select CSRC_R4K
>> 694 select DEFAULT_SGI_PARTITION
>> 695 select DMA_NONCOHERENT
>> 696 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 697 select IRQ_MIPS_CPU
>> 698 select HW_HAS_EISA
>> 699 select I8253
>> 700 select I8259
>> 701 select SGI_HAS_I8042
>> 702 select SGI_HAS_INDYDOG
>> 703 select SGI_HAS_HAL2
>> 704 select SGI_HAS_SEEQ
>> 705 select SGI_HAS_WD93
>> 706 select SGI_HAS_ZILOG
>> 707 select SWAP_IO_SPACE
>> 708 select SYS_HAS_CPU_R10000
>> 709 #
>> 710 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 711 # memory during early boot on some machines.
>> 712 #
>> 713 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 714 # for a more details discussion
>> 715 #
>> 716 # select SYS_HAS_EARLY_PRINTK
>> 717 select SYS_SUPPORTS_64BIT_KERNEL
>> 718 select SYS_SUPPORTS_BIG_ENDIAN
>> 719 select MIPS_L1_CACHE_SHIFT_7
>> 720 help
>> 721 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 722 kernel that runs on these, say Y here.
>> 723
>> 724 config SGI_IP32
>> 725 bool "SGI IP32 (O2)"
>> 726 select FW_ARC
>> 727 select FW_ARC32
>> 728 select BOOT_ELF32
>> 729 select CEVT_R4K
>> 730 select CSRC_R4K
>> 731 select DMA_NONCOHERENT
>> 732 select HW_HAS_PCI
>> 733 select IRQ_MIPS_CPU
>> 734 select R5000_CPU_SCACHE
>> 735 select RM7000_CPU_SCACHE
>> 736 select SYS_HAS_CPU_R5000
>> 737 select SYS_HAS_CPU_R10000 if BROKEN
>> 738 select SYS_HAS_CPU_RM7000
>> 739 select SYS_HAS_CPU_NEVADA
>> 740 select SYS_SUPPORTS_64BIT_KERNEL
>> 741 select SYS_SUPPORTS_BIG_ENDIAN
>> 742 help
>> 743 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 744
>> 745 config SIBYTE_CRHINE
>> 746 bool "Sibyte BCM91120C-CRhine"
>> 747 select BOOT_ELF32
>> 748 select DMA_COHERENT
>> 749 select SIBYTE_BCM1120
>> 750 select SWAP_IO_SPACE
>> 751 select SYS_HAS_CPU_SB1
>> 752 select SYS_SUPPORTS_BIG_ENDIAN
>> 753 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 754
>> 755 config SIBYTE_CARMEL
>> 756 bool "Sibyte BCM91120x-Carmel"
>> 757 select BOOT_ELF32
>> 758 select DMA_COHERENT
>> 759 select SIBYTE_BCM1120
>> 760 select SWAP_IO_SPACE
>> 761 select SYS_HAS_CPU_SB1
>> 762 select SYS_SUPPORTS_BIG_ENDIAN
>> 763 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 764
>> 765 config SIBYTE_CRHONE
>> 766 bool "Sibyte BCM91125C-CRhone"
>> 767 select BOOT_ELF32
>> 768 select DMA_COHERENT
>> 769 select SIBYTE_BCM1125
>> 770 select SWAP_IO_SPACE
>> 771 select SYS_HAS_CPU_SB1
>> 772 select SYS_SUPPORTS_BIG_ENDIAN
>> 773 select SYS_SUPPORTS_HIGHMEM
>> 774 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 775
>> 776 config SIBYTE_RHONE
>> 777 bool "Sibyte BCM91125E-Rhone"
>> 778 select BOOT_ELF32
>> 779 select DMA_COHERENT
>> 780 select SIBYTE_BCM1125H
>> 781 select SWAP_IO_SPACE
>> 782 select SYS_HAS_CPU_SB1
>> 783 select SYS_SUPPORTS_BIG_ENDIAN
>> 784 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 785
>> 786 config SIBYTE_SWARM
>> 787 bool "Sibyte BCM91250A-SWARM"
>> 788 select BOOT_ELF32
>> 789 select DMA_COHERENT
>> 790 select HAVE_PATA_PLATFORM
>> 791 select SIBYTE_SB1250
>> 792 select SWAP_IO_SPACE
>> 793 select SYS_HAS_CPU_SB1
>> 794 select SYS_SUPPORTS_BIG_ENDIAN
>> 795 select SYS_SUPPORTS_HIGHMEM
>> 796 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 797 select ZONE_DMA32 if 64BIT
>> 798
>> 799 config SIBYTE_LITTLESUR
>> 800 bool "Sibyte BCM91250C2-LittleSur"
>> 801 select BOOT_ELF32
>> 802 select DMA_COHERENT
>> 803 select HAVE_PATA_PLATFORM
>> 804 select SIBYTE_SB1250
>> 805 select SWAP_IO_SPACE
>> 806 select SYS_HAS_CPU_SB1
>> 807 select SYS_SUPPORTS_BIG_ENDIAN
>> 808 select SYS_SUPPORTS_HIGHMEM
>> 809 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 810
>> 811 config SIBYTE_SENTOSA
>> 812 bool "Sibyte BCM91250E-Sentosa"
>> 813 select BOOT_ELF32
>> 814 select DMA_COHERENT
>> 815 select SIBYTE_SB1250
>> 816 select SWAP_IO_SPACE
>> 817 select SYS_HAS_CPU_SB1
>> 818 select SYS_SUPPORTS_BIG_ENDIAN
>> 819 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 820
>> 821 config SIBYTE_BIGSUR
>> 822 bool "Sibyte BCM91480B-BigSur"
>> 823 select BOOT_ELF32
>> 824 select DMA_COHERENT
>> 825 select NR_CPUS_DEFAULT_4
>> 826 select SIBYTE_BCM1x80
>> 827 select SWAP_IO_SPACE
>> 828 select SYS_HAS_CPU_SB1
>> 829 select SYS_SUPPORTS_BIG_ENDIAN
>> 830 select SYS_SUPPORTS_HIGHMEM
>> 831 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 832 select ZONE_DMA32 if 64BIT
>> 833
>> 834 config SNI_RM
>> 835 bool "SNI RM200/300/400"
>> 836 select FW_ARC if CPU_LITTLE_ENDIAN
>> 837 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 838 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 839 select ARCH_MAY_HAVE_PC_FDC
>> 840 select BOOT_ELF32
>> 841 select CEVT_R4K
>> 842 select CSRC_R4K
>> 843 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 844 select DMA_NONCOHERENT
>> 845 select GENERIC_ISA_DMA
>> 846 select HAVE_PCSPKR_PLATFORM
>> 847 select HW_HAS_EISA
>> 848 select HW_HAS_PCI
>> 849 select IRQ_MIPS_CPU
>> 850 select I8253
>> 851 select I8259
>> 852 select ISA
>> 853 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 854 select SYS_HAS_CPU_R4X00
>> 855 select SYS_HAS_CPU_R5000
>> 856 select SYS_HAS_CPU_R10000
>> 857 select R5000_CPU_SCACHE
>> 858 select SYS_HAS_EARLY_PRINTK
>> 859 select SYS_SUPPORTS_32BIT_KERNEL
>> 860 select SYS_SUPPORTS_64BIT_KERNEL
>> 861 select SYS_SUPPORTS_BIG_ENDIAN
>> 862 select SYS_SUPPORTS_HIGHMEM
>> 863 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 864 help
>> 865 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 866 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 867 Technology and now in turn merged with Fujitsu. Say Y here to
>> 868 support this machine type.
>> 869
>> 870 config MACH_TX39XX
>> 871 bool "Toshiba TX39 series based machines"
>> 872
>> 873 config MACH_TX49XX
>> 874 bool "Toshiba TX49 series based machines"
>> 875
>> 876 config MIKROTIK_RB532
>> 877 bool "Mikrotik RB532 boards"
>> 878 select CEVT_R4K
>> 879 select CSRC_R4K
>> 880 select DMA_NONCOHERENT
>> 881 select HW_HAS_PCI
>> 882 select IRQ_MIPS_CPU
>> 883 select SYS_HAS_CPU_MIPS32_R1
>> 884 select SYS_SUPPORTS_32BIT_KERNEL
>> 885 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 886 select SWAP_IO_SPACE
>> 887 select BOOT_RAW
>> 888 select GPIOLIB
>> 889 select MIPS_L1_CACHE_SHIFT_4
>> 890 help
>> 891 Support the Mikrotik(tm) RouterBoard 532 series,
>> 892 based on the IDT RC32434 SoC.
>> 893
>> 894 config CAVIUM_OCTEON_SOC
>> 895 bool "Cavium Networks Octeon SoC based boards"
>> 896 select CEVT_R4K
>> 897 select ARCH_PHYS_ADDR_T_64BIT
>> 898 select DMA_COHERENT
>> 899 select SYS_SUPPORTS_64BIT_KERNEL
>> 900 select SYS_SUPPORTS_BIG_ENDIAN
>> 901 select EDAC_SUPPORT
>> 902 select EDAC_ATOMIC_SCRUB
>> 903 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 904 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
>> 905 select SYS_HAS_EARLY_PRINTK
>> 906 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 907 select HW_HAS_PCI
>> 908 select ZONE_DMA32
>> 909 select HOLES_IN_ZONE
>> 910 select GPIOLIB
>> 911 select LIBFDT
>> 912 select USE_OF
>> 913 select ARCH_SPARSEMEM_ENABLE
>> 914 select SYS_SUPPORTS_SMP
>> 915 select NR_CPUS_DEFAULT_16
>> 916 select BUILTIN_DTB
>> 917 select MTD_COMPLEX_MAPPINGS
>> 918 select SYS_SUPPORTS_RELOCATABLE
>> 919 help
>> 920 This option supports all of the Octeon reference boards from Cavium
>> 921 Networks. It builds a kernel that dynamically determines the Octeon
>> 922 CPU type and supports all known board reference implementations.
>> 923 Some of the supported boards are:
>> 924 EBT3000
>> 925 EBH3000
>> 926 EBH3100
>> 927 Thunder
>> 928 Kodama
>> 929 Hikari
>> 930 Say Y here for most Octeon reference boards.
>> 931
>> 932 config NLM_XLR_BOARD
>> 933 bool "Netlogic XLR/XLS based systems"
>> 934 select BOOT_ELF32
>> 935 select NLM_COMMON
>> 936 select SYS_HAS_CPU_XLR
>> 937 select SYS_SUPPORTS_SMP
>> 938 select HW_HAS_PCI
>> 939 select SWAP_IO_SPACE
>> 940 select SYS_SUPPORTS_32BIT_KERNEL
>> 941 select SYS_SUPPORTS_64BIT_KERNEL
>> 942 select ARCH_PHYS_ADDR_T_64BIT
>> 943 select SYS_SUPPORTS_BIG_ENDIAN
>> 944 select SYS_SUPPORTS_HIGHMEM
>> 945 select DMA_COHERENT
>> 946 select NR_CPUS_DEFAULT_32
>> 947 select CEVT_R4K
>> 948 select CSRC_R4K
>> 949 select IRQ_MIPS_CPU
>> 950 select ZONE_DMA32 if 64BIT
>> 951 select SYNC_R4K
>> 952 select SYS_HAS_EARLY_PRINTK
>> 953 select SYS_SUPPORTS_ZBOOT
>> 954 select SYS_SUPPORTS_ZBOOT_UART16550
>> 955 help
>> 956 Support for systems based on Netlogic XLR and XLS processors.
>> 957 Say Y here if you have a XLR or XLS based board.
>> 958
>> 959 config NLM_XLP_BOARD
>> 960 bool "Netlogic XLP based systems"
>> 961 select BOOT_ELF32
>> 962 select NLM_COMMON
>> 963 select SYS_HAS_CPU_XLP
>> 964 select SYS_SUPPORTS_SMP
>> 965 select HW_HAS_PCI
>> 966 select SYS_SUPPORTS_32BIT_KERNEL
>> 967 select SYS_SUPPORTS_64BIT_KERNEL
>> 968 select ARCH_PHYS_ADDR_T_64BIT
>> 969 select GPIOLIB
>> 970 select SYS_SUPPORTS_BIG_ENDIAN
>> 971 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 972 select SYS_SUPPORTS_HIGHMEM
>> 973 select DMA_COHERENT
>> 974 select NR_CPUS_DEFAULT_32
>> 975 select CEVT_R4K
>> 976 select CSRC_R4K
>> 977 select IRQ_MIPS_CPU
>> 978 select ZONE_DMA32 if 64BIT
>> 979 select SYNC_R4K
>> 980 select SYS_HAS_EARLY_PRINTK
>> 981 select USE_OF
>> 982 select SYS_SUPPORTS_ZBOOT
>> 983 select SYS_SUPPORTS_ZBOOT_UART16550
>> 984 help
>> 985 This board is based on Netlogic XLP Processor.
>> 986 Say Y here if you have a XLP based board.
>> 987
>> 988 config MIPS_PARAVIRT
>> 989 bool "Para-Virtualized guest system"
>> 990 select CEVT_R4K
>> 991 select CSRC_R4K
>> 992 select DMA_COHERENT
>> 993 select SYS_SUPPORTS_64BIT_KERNEL
>> 994 select SYS_SUPPORTS_32BIT_KERNEL
>> 995 select SYS_SUPPORTS_BIG_ENDIAN
>> 996 select SYS_SUPPORTS_SMP
>> 997 select NR_CPUS_DEFAULT_4
>> 998 select SYS_HAS_EARLY_PRINTK
>> 999 select SYS_HAS_CPU_MIPS32_R2
>> 1000 select SYS_HAS_CPU_MIPS64_R2
>> 1001 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1002 select HW_HAS_PCI
>> 1003 select SWAP_IO_SPACE
>> 1004 help
>> 1005 This option supports guest running under ????
17 1006
18 config 32BIT !! 1007 endchoice
>> 1008
>> 1009 source "arch/mips/alchemy/Kconfig"
>> 1010 source "arch/mips/ath25/Kconfig"
>> 1011 source "arch/mips/ath79/Kconfig"
>> 1012 source "arch/mips/bcm47xx/Kconfig"
>> 1013 source "arch/mips/bcm63xx/Kconfig"
>> 1014 source "arch/mips/bmips/Kconfig"
>> 1015 source "arch/mips/generic/Kconfig"
>> 1016 source "arch/mips/jazz/Kconfig"
>> 1017 source "arch/mips/jz4740/Kconfig"
>> 1018 source "arch/mips/lantiq/Kconfig"
>> 1019 source "arch/mips/lasat/Kconfig"
>> 1020 source "arch/mips/pic32/Kconfig"
>> 1021 source "arch/mips/pistachio/Kconfig"
>> 1022 source "arch/mips/pmcs-msp71xx/Kconfig"
>> 1023 source "arch/mips/ralink/Kconfig"
>> 1024 source "arch/mips/sgi-ip27/Kconfig"
>> 1025 source "arch/mips/sibyte/Kconfig"
>> 1026 source "arch/mips/txx9/Kconfig"
>> 1027 source "arch/mips/vr41xx/Kconfig"
>> 1028 source "arch/mips/cavium-octeon/Kconfig"
>> 1029 source "arch/mips/loongson32/Kconfig"
>> 1030 source "arch/mips/loongson64/Kconfig"
>> 1031 source "arch/mips/netlogic/Kconfig"
>> 1032 source "arch/mips/paravirt/Kconfig"
>> 1033 source "arch/mips/xilfpga/Kconfig"
>> 1034
>> 1035 endmenu
>> 1036
>> 1037 config RWSEM_GENERIC_SPINLOCK
19 bool 1038 bool
20 default y if PPC32 !! 1039 default y
21 1040
22 config 64BIT !! 1041 config RWSEM_XCHGADD_ALGORITHM
23 bool 1042 bool
24 default y if PPC64 <<
25 1043
26 config LIVEPATCH_64 !! 1044 config GENERIC_HWEIGHT
27 def_bool PPC64 !! 1045 bool
28 depends on LIVEPATCH !! 1046 default y
29 1047
30 config MMU !! 1048 config GENERIC_CALIBRATE_DELAY
31 bool 1049 bool
32 default y 1050 default y
33 1051
34 config ARCH_MMAP_RND_BITS_MAX !! 1052 config SCHED_OMIT_FRAME_POINTER
35 # On Book3S 64, the default virtual ad !! 1053 bool
36 # is 2^47 (128TB). As a maximum, allow !! 1054 default y
37 # 32T of address space (2^45), which s <<
38 # between bottom-up and top-down alloc <<
39 # consume "normal" amounts of address <<
40 # and 4K page sizes. <<
41 default 29 if PPC_BOOK3S_64 && PPC_64K <<
42 default 33 if PPC_BOOK3S_64 <<
43 # <<
44 # On all other 64-bit platforms (curre <<
45 # address space is 2^46 (64TB). Allow <<
46 # of address space (2^44). Only 4K pag <<
47 default 32 if 64BIT # 32 = 44 (16T <<
48 # <<
49 # For 32-bit, use the compat values, a <<
50 default ARCH_MMAP_RND_COMPAT_BITS_MAX <<
51 1055
52 config ARCH_MMAP_RND_BITS_MIN !! 1056 #
53 # Allow randomisation to consume up to !! 1057 # Select some configuration options automatically based on user selections.
54 default 14 if 64BIT && PPC_64K_PAGES !! 1058 #
55 default 18 if 64BIT !! 1059 config FW_ARC
56 # !! 1060 bool
57 # For 32-bit, use the compat values, a <<
58 default ARCH_MMAP_RND_COMPAT_BITS_MIN <<
59 1061
60 config ARCH_MMAP_RND_COMPAT_BITS_MAX !! 1062 config ARCH_MAY_HAVE_PC_FDC
61 # Total virtual address space for 32-b !! 1063 bool
62 # Allow randomisation to consume up to <<
63 default 11 if PPC_256K_PAGES # 11 = <<
64 default 13 if PPC_64K_PAGES # 13 = <<
65 default 15 if PPC_16K_PAGES # 15 = <<
66 default 17 # 17 = <<
67 1064
68 config ARCH_MMAP_RND_COMPAT_BITS_MIN !! 1065 config BOOT_RAW
69 # Total virtual address space for 32-b !! 1066 bool
70 # Allow randomisation to consume up to <<
71 default 5 if PPC_256K_PAGES # 5 = <<
72 default 7 if PPC_64K_PAGES # 7 = <<
73 default 9 if PPC_16K_PAGES # 9 = <<
74 default 11 # 11 = <<
75 1067
76 config NR_IRQS !! 1068 config CEVT_BCM1480
77 int "Number of virtual interrupt numbe !! 1069 bool
78 range 32 1048576 <<
79 default "512" <<
80 help <<
81 This defines the number of virtual i <<
82 can manage. Virtual interrupt number <<
83 /proc/interrupts. If you configure y <<
84 drivers will fail to load or worse - <<
85 1070
86 config NMI_IPI !! 1071 config CEVT_DS1287
87 bool 1072 bool
88 depends on SMP && (DEBUGGER || KEXEC_C <<
89 default y <<
90 1073
91 config PPC_WATCHDOG !! 1074 config CEVT_GT641XX
92 bool 1075 bool
93 depends on HARDLOCKUP_DETECTOR_ARCH <<
94 default y <<
95 help <<
96 This is a placeholder when the power <<
97 watchdog is selected (arch/powerpc/k <<
98 selected via the generic lockup dete <<
99 have no standalone config option for <<
100 1076
101 config STACKTRACE_SUPPORT !! 1077 config CEVT_R4K
102 bool 1078 bool
103 default y <<
104 1079
105 config LOCKDEP_SUPPORT !! 1080 config CEVT_SB1250
106 bool 1081 bool
107 default y <<
108 1082
109 config GENERIC_LOCKBREAK !! 1083 config CEVT_TXX9
110 bool 1084 bool
111 default y <<
112 depends on SMP && PREEMPTION && !PPC_Q <<
113 1085
114 config GENERIC_HWEIGHT !! 1086 config CSRC_BCM1480
115 bool 1087 bool
116 default y <<
117 1088
118 config PPC !! 1089 config CSRC_IOASIC
119 bool 1090 bool
120 default y <<
121 # <<
122 # Please keep this list sorted alphabe <<
123 # <<
124 select ARCH_32BIT_OFF_T if PPC32 <<
125 select ARCH_DISABLE_KASAN_INLINE <<
126 select ARCH_DMA_DEFAULT_COHERENT <<
127 select ARCH_ENABLE_MEMORY_HOTPLUG <<
128 select ARCH_ENABLE_MEMORY_HOTREMOVE <<
129 select ARCH_HAS_COPY_MC <<
130 select ARCH_HAS_CURRENT_STACK_POINTER <<
131 select ARCH_HAS_DEBUG_VIRTUAL <<
132 select ARCH_HAS_DEBUG_VM_PGTABLE <<
133 select ARCH_HAS_DEBUG_WX <<
134 select ARCH_HAS_DEVMEM_IS_ALLOWED <<
135 select ARCH_HAS_DMA_MAP_DIRECT <<
136 select ARCH_HAS_DMA_OPS <<
137 select ARCH_HAS_FORTIFY_SOURCE <<
138 select ARCH_HAS_GCOV_PROFILE_ALL <<
139 select ARCH_HAS_KCOV <<
140 select ARCH_HAS_KERNEL_FPU_SUPPORT <<
141 select ARCH_HAS_MEMBARRIER_CALLBACKS <<
142 select ARCH_HAS_MEMBARRIER_SYNC_CORE <<
143 select ARCH_HAS_MEMREMAP_COMPAT_ALIGN <<
144 select ARCH_HAS_MMIOWB <<
145 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
146 select ARCH_HAS_PHYS_TO_DMA <<
147 select ARCH_HAS_PMEM_API <<
148 select ARCH_HAS_PTE_DEVMAP <<
149 select ARCH_HAS_PTE_SPECIAL <<
150 select ARCH_HAS_SCALED_CPUTIME <<
151 select ARCH_HAS_SET_MEMORY <<
152 select ARCH_HAS_STRICT_KERNEL_RWX <<
153 select ARCH_HAS_STRICT_KERNEL_RWX <<
154 select ARCH_HAS_STRICT_MODULE_RWX <<
155 select ARCH_HAS_SYSCALL_WRAPPER <<
156 select ARCH_HAS_TICK_BROADCAST <<
157 select ARCH_HAS_UACCESS_FLUSHCACHE <<
158 select ARCH_HAS_UBSAN <<
159 select ARCH_HAVE_NMI_SAFE_CMPXCHG <<
160 select ARCH_HAVE_EXTRA_ELF_NOTES <<
161 select ARCH_KEEP_MEMBLOCK <<
162 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL <<
163 select ARCH_MIGHT_HAVE_PC_PARPORT <<
164 select ARCH_MIGHT_HAVE_PC_SERIO <<
165 select ARCH_OPTIONAL_KERNEL_RWX <<
166 select ARCH_OPTIONAL_KERNEL_RWX_DEFAUL <<
167 select ARCH_SPLIT_ARG64 <<
168 select ARCH_STACKWALK <<
169 select ARCH_SUPPORTS_ATOMIC_RMW <<
170 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
171 select ARCH_USE_BUILTIN_BSWAP <<
172 select ARCH_USE_CMPXCHG_LOCKREF <<
173 select ARCH_USE_MEMTEST <<
174 select ARCH_USE_QUEUED_RWLOCKS <<
175 select ARCH_WANT_DEFAULT_BPF_JIT <<
176 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ <<
177 select ARCH_WANT_IPC_PARSE_VERSION <<
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM <<
179 select ARCH_WANT_LD_ORPHAN_WARN <<
180 select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP <<
181 select ARCH_WANTS_MODULES_DATA_IN_VMAL <<
182 select ARCH_WEAK_RELEASE_ACQUIRE <<
183 select BINFMT_ELF <<
184 select BUILDTIME_TABLE_SORT <<
185 select CLONE_BACKWARDS <<
186 select CPUMASK_OFFSTACK <<
187 select DCACHE_WORD_ACCESS <<
188 select DMA_OPS_BYPASS <<
189 select DYNAMIC_FTRACE <<
190 select EDAC_ATOMIC_SCRUB <<
191 select EDAC_SUPPORT <<
192 select FTRACE_MCOUNT_USE_PATCHABLE_FUN <<
193 select FUNCTION_ALIGNMENT_4B <<
194 select GENERIC_ATOMIC64 <<
195 select GENERIC_CLOCKEVENTS_BROADCAST <<
196 select GENERIC_CMOS_UPDATE <<
197 select GENERIC_CPU_AUTOPROBE <<
198 select GENERIC_CPU_VULNERABILITIES <<
199 select GENERIC_EARLY_IOREMAP <<
200 select GENERIC_GETTIMEOFDAY <<
201 select GENERIC_IDLE_POLL_SETUP <<
202 select GENERIC_IOREMAP <<
203 select GENERIC_IRQ_SHOW <<
204 select GENERIC_IRQ_SHOW_LEVEL <<
205 select GENERIC_PCI_IOMAP <<
206 select GENERIC_PTDUMP <<
207 select GENERIC_SMP_IDLE_THREAD <<
208 select GENERIC_TIME_VSYSCALL <<
209 select GENERIC_VDSO_TIME_NS <<
210 select HAS_IOPORT <<
211 select HAVE_ARCH_AUDITSYSCALL <<
212 select HAVE_ARCH_HUGE_VMALLOC <<
213 select HAVE_ARCH_HUGE_VMAP <<
214 select HAVE_ARCH_JUMP_LABEL <<
215 select HAVE_ARCH_JUMP_LABEL_RELATIVE <<
216 select HAVE_ARCH_KASAN <<
217 select HAVE_ARCH_KASAN <<
218 select HAVE_ARCH_KASAN <<
219 select HAVE_ARCH_KASAN_VMALLOC <<
220 select HAVE_ARCH_KCSAN <<
221 select HAVE_ARCH_KFENCE <<
222 select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS <<
223 select HAVE_ARCH_WITHIN_STACK_FRAMES <<
224 select HAVE_ARCH_KGDB <<
225 select HAVE_ARCH_MMAP_RND_BITS <<
226 select HAVE_ARCH_MMAP_RND_COMPAT_BITS <<
227 select HAVE_ARCH_NVRAM_OPS <<
228 select HAVE_ARCH_SECCOMP_FILTER <<
229 select HAVE_ARCH_TRACEHOOK <<
230 select HAVE_ASM_MODVERSIONS <<
231 select HAVE_CONTEXT_TRACKING_USER <<
232 select HAVE_C_RECORDMCOUNT <<
233 select HAVE_DEBUG_KMEMLEAK <<
234 select HAVE_DEBUG_STACKOVERFLOW <<
235 select HAVE_DYNAMIC_FTRACE <<
236 select HAVE_DYNAMIC_FTRACE_WITH_ARGS <<
237 select HAVE_DYNAMIC_FTRACE_WITH_REGS <<
238 select HAVE_EBPF_JIT <<
239 select HAVE_EFFICIENT_UNALIGNED_ACCESS <<
240 select HAVE_GUP_FAST <<
241 select HAVE_FTRACE_MCOUNT_RECORD <<
242 select HAVE_FUNCTION_ARG_ACCESS_API <<
243 select HAVE_FUNCTION_DESCRIPTORS <<
244 select HAVE_FUNCTION_ERROR_INJECTION <<
245 select HAVE_FUNCTION_GRAPH_TRACER <<
246 select HAVE_FUNCTION_TRACER <<
247 select HAVE_GCC_PLUGINS <<
248 select HAVE_GENERIC_VDSO <<
249 select HAVE_HARDLOCKUP_DETECTOR_ARCH <<
250 select HAVE_HARDLOCKUP_DETECTOR_PERF <<
251 select HAVE_HW_BREAKPOINT <<
252 select HAVE_IOREMAP_PROT <<
253 select HAVE_IRQ_TIME_ACCOUNTING <<
254 select HAVE_KERNEL_GZIP <<
255 select HAVE_KERNEL_LZMA <<
256 select HAVE_KERNEL_LZO <<
257 select HAVE_KERNEL_XZ <<
258 select HAVE_KPROBES <<
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES <<
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT <<
262 select HAVE_LIVEPATCH <<
263 select HAVE_MOD_ARCH_SPECIFIC <<
264 select HAVE_NMI <<
265 select HAVE_OPTPROBES <<
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS <<
269 select HAVE_PERF_EVENTS_NMI <<
270 select HAVE_PERF_REGS <<
271 select HAVE_PERF_USER_STACK_DUMP <<
272 select HAVE_RETHOOK <<
273 select HAVE_REGS_AND_STACK_ACCESS_API <<
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ <<
276 select HAVE_SETUP_PER_CPU_AREA <<
277 select HAVE_SOFTIRQ_ON_OWN_STACK <<
278 select HAVE_STACKPROTECTOR <<
279 select HAVE_STACKPROTECTOR <<
280 select HAVE_STATIC_CALL <<
281 select HAVE_SYSCALL_TRACEPOINTS <<
282 select HAVE_VIRT_CPU_ACCOUNTING <<
283 select HAVE_VIRT_CPU_ACCOUNTING_GEN <<
284 select HOTPLUG_SMT <<
285 select SMT_NUM_THREADS_DYNAMIC <<
286 select HUGETLB_PAGE_SIZE_VARIABLE <<
287 select IOMMU_HELPER <<
288 select IRQ_DOMAIN <<
289 select IRQ_FORCED_THREADING <<
290 select KASAN_VMALLOC <<
291 select LOCK_MM_AND_FIND_VMA <<
292 select MMU_GATHER_PAGE_SIZE <<
293 select MMU_GATHER_RCU_TABLE_FREE <<
294 select MMU_GATHER_MERGE_VMAS <<
295 select MMU_LAZY_TLB_SHOOTDOWN <<
296 select MODULES_USE_ELF_RELA <<
297 select NEED_DMA_MAP_STATE <<
298 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
299 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
300 select NEED_SG_DMA_LENGTH <<
301 select OF <<
302 select OF_EARLY_FLATTREE <<
303 select OLD_SIGACTION <<
304 select OLD_SIGSUSPEND <<
305 select PCI_DOMAINS <<
306 select PCI_MSI_ARCH_FALLBACKS <<
307 select PCI_SYSCALL <<
308 select PPC_DAWR <<
309 select RTC_LIB <<
310 select SPARSE_IRQ <<
311 select STRICT_KERNEL_RWX if STRICT_MOD <<
312 select SYSCTL_EXCEPTION_TRACE <<
313 select THREAD_INFO_IN_TASK <<
314 select TRACE_IRQFLAGS_SUPPORT <<
315 select VDSO_GETRANDOM <<
316 # <<
317 # Please keep this list sorted alphabe <<
318 # <<
319 1091
320 config PPC_BARRIER_NOSPEC !! 1092 config CSRC_R4K
321 bool 1093 bool
322 default y <<
323 depends on PPC_BOOK3S_64 || PPC_E500 <<
324 1094
325 config PPC_HAS_LBARX_LHARX !! 1095 config CSRC_SB1250
326 bool 1096 bool
327 1097
328 config EARLY_PRINTK !! 1098 config MIPS_CLOCK_VSYSCALL
>> 1099 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
>> 1100
>> 1101 config GPIO_TXX9
>> 1102 select GPIOLIB
329 bool 1103 bool
330 default y <<
331 1104
332 config PANIC_TIMEOUT !! 1105 config FW_CFE
333 int !! 1106 bool
334 default 180 <<
335 1107
336 config COMPAT !! 1108 config ARCH_DMA_ADDR_T_64BIT
337 bool "Enable support for 32bit binarie !! 1109 def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
338 depends on PPC64 <<
339 default y if !CPU_LITTLE_ENDIAN <<
340 select ARCH_WANT_OLD_COMPAT_IPC <<
341 select COMPAT_OLD_SIGACTION <<
342 1110
343 config SCHED_OMIT_FRAME_POINTER !! 1111 config ARCH_SUPPORTS_UPROBES
344 bool 1112 bool
345 default y <<
346 1113
347 config ARCH_MAY_HAVE_PC_FDC !! 1114 config DMA_MAYBE_COHERENT
>> 1115 select DMA_NONCOHERENT
348 bool 1116 bool
349 default PCI <<
350 1117
351 config PPC_UDBG_16550 !! 1118 config DMA_PERDEV_COHERENT
352 bool 1119 bool
>> 1120 select DMA_MAYBE_COHERENT
353 1121
354 config GENERIC_TBSYNC !! 1122 config DMA_COHERENT
355 bool 1123 bool
356 default y if PPC32 && SMP <<
357 1124
358 config AUDIT_ARCH !! 1125 config DMA_NONCOHERENT
359 bool 1126 bool
360 default y !! 1127 select NEED_DMA_MAP_STATE
361 1128
362 config GENERIC_BUG !! 1129 config NEED_DMA_MAP_STATE
363 bool 1130 bool
364 default y <<
365 depends on BUG <<
366 1131
367 config GENERIC_BUG_RELATIVE_POINTERS !! 1132 config SYS_HAS_EARLY_PRINTK
368 def_bool y !! 1133 bool
369 depends on GENERIC_BUG <<
370 1134
371 config SYS_SUPPORTS_APM_EMULATION !! 1135 config SYS_SUPPORTS_HOTPLUG_CPU
372 default y if PMAC_APM_EMU <<
373 bool 1136 bool
374 1137
375 config EPAPR_BOOT !! 1138 config MIPS_BONITO64
>> 1139 bool
>> 1140
>> 1141 config MIPS_MSC
>> 1142 bool
>> 1143
>> 1144 config MIPS_NILE4
>> 1145 bool
>> 1146
>> 1147 config SYNC_R4K
>> 1148 bool
>> 1149
>> 1150 config MIPS_MACHINE
>> 1151 def_bool n
>> 1152
>> 1153 config NO_IOPORT_MAP
>> 1154 def_bool n
>> 1155
>> 1156 config GENERIC_CSUM
>> 1157 bool
>> 1158
>> 1159 config GENERIC_ISA_DMA
>> 1160 bool
>> 1161 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
>> 1162 select ISA_DMA_API
>> 1163
>> 1164 config GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 1165 bool
>> 1166 select GENERIC_ISA_DMA
>> 1167
>> 1168 config ISA_DMA_API
>> 1169 bool
>> 1170
>> 1171 config HOLES_IN_ZONE
376 bool 1172 bool
377 help <<
378 Used to allow a board to specify it <<
379 1173
380 config DEFAULT_UIMAGE !! 1174 config SYS_SUPPORTS_RELOCATABLE
381 bool 1175 bool
382 help 1176 help
383 Used to allow a board to specify it !! 1177 Selected if the platform supports relocating the kernel.
>> 1178 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
>> 1179 to allow access to command line and entropy sources.
384 1180
385 config ARCH_HIBERNATION_POSSIBLE !! 1181 #
>> 1182 # Endianness selection. Sufficiently obscure so many users don't know what to
>> 1183 # answer,so we try hard to limit the available choices. Also the use of a
>> 1184 # choice statement should be more obvious to the user.
>> 1185 #
>> 1186 choice
>> 1187 prompt "Endianness selection"
>> 1188 help
>> 1189 Some MIPS machines can be configured for either little or big endian
>> 1190 byte order. These modes require different kernels and a different
>> 1191 Linux distribution. In general there is one preferred byteorder for a
>> 1192 particular system but some systems are just as commonly used in the
>> 1193 one or the other endianness.
>> 1194
>> 1195 config CPU_BIG_ENDIAN
>> 1196 bool "Big endian"
>> 1197 depends on SYS_SUPPORTS_BIG_ENDIAN
>> 1198
>> 1199 config CPU_LITTLE_ENDIAN
>> 1200 bool "Little endian"
>> 1201 depends on SYS_SUPPORTS_LITTLE_ENDIAN
>> 1202
>> 1203 endchoice
>> 1204
>> 1205 config EXPORT_UASM
>> 1206 bool
>> 1207
>> 1208 config SYS_SUPPORTS_APM_EMULATION
>> 1209 bool
>> 1210
>> 1211 config SYS_SUPPORTS_BIG_ENDIAN
>> 1212 bool
>> 1213
>> 1214 config SYS_SUPPORTS_LITTLE_ENDIAN
386 bool 1215 bool
>> 1216
>> 1217 config SYS_SUPPORTS_HUGETLBFS
>> 1218 bool
>> 1219 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
387 default y 1220 default y
388 1221
389 config ARCH_SUSPEND_POSSIBLE !! 1222 config MIPS_HUGE_TLB_SUPPORT
390 def_bool y !! 1223 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
391 depends on ADB_PMU || PPC_EFIKA || PPC <<
392 (PPC_85xx && !PPC_E500MC) | <<
393 || 44x <<
394 1224
395 config ARCH_SUSPEND_NONZERO_CPU !! 1225 config IRQ_CPU_RM7K
396 def_bool y !! 1226 bool
397 depends on PPC_POWERNV || PPC_PSERIES <<
398 1227
399 config ARCH_HAS_ADD_PAGES !! 1228 config IRQ_MSP_SLP
400 def_bool y !! 1229 bool
401 depends on ARCH_ENABLE_MEMORY_HOTPLUG !! 1230
>> 1231 config IRQ_MSP_CIC
>> 1232 bool
>> 1233
>> 1234 config IRQ_TXX9
>> 1235 bool
>> 1236
>> 1237 config IRQ_GT641XX
>> 1238 bool
>> 1239
>> 1240 config PCI_GT64XXX_PCI0
>> 1241 bool
>> 1242
>> 1243 config NO_EXCEPT_FILL
>> 1244 bool
>> 1245
>> 1246 config SOC_EMMA2RH
>> 1247 bool
>> 1248 select CEVT_R4K
>> 1249 select CSRC_R4K
>> 1250 select DMA_NONCOHERENT
>> 1251 select IRQ_MIPS_CPU
>> 1252 select SWAP_IO_SPACE
>> 1253 select SYS_HAS_CPU_R5500
>> 1254 select SYS_SUPPORTS_32BIT_KERNEL
>> 1255 select SYS_SUPPORTS_64BIT_KERNEL
>> 1256 select SYS_SUPPORTS_BIG_ENDIAN
>> 1257
>> 1258 config SOC_PNX833X
>> 1259 bool
>> 1260 select CEVT_R4K
>> 1261 select CSRC_R4K
>> 1262 select IRQ_MIPS_CPU
>> 1263 select DMA_NONCOHERENT
>> 1264 select SYS_HAS_CPU_MIPS32_R2
>> 1265 select SYS_SUPPORTS_32BIT_KERNEL
>> 1266 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1267 select SYS_SUPPORTS_BIG_ENDIAN
>> 1268 select SYS_SUPPORTS_MIPS16
>> 1269 select CPU_MIPSR2_IRQ_VI
>> 1270
>> 1271 config SOC_PNX8335
>> 1272 bool
>> 1273 select SOC_PNX833X
>> 1274
>> 1275 config MIPS_SPRAM
>> 1276 bool
>> 1277
>> 1278 config SWAP_IO_SPACE
>> 1279 bool
>> 1280
>> 1281 config SGI_HAS_INDYDOG
>> 1282 bool
>> 1283
>> 1284 config SGI_HAS_HAL2
>> 1285 bool
>> 1286
>> 1287 config SGI_HAS_SEEQ
>> 1288 bool
>> 1289
>> 1290 config SGI_HAS_WD93
>> 1291 bool
>> 1292
>> 1293 config SGI_HAS_ZILOG
>> 1294 bool
>> 1295
>> 1296 config SGI_HAS_I8042
>> 1297 bool
402 1298
403 config PPC_DCR_NATIVE !! 1299 config DEFAULT_SGI_PARTITION
404 bool 1300 bool
405 1301
406 config PPC_DCR_MMIO !! 1302 config FW_ARC32
407 bool 1303 bool
408 1304
409 config PPC_DCR !! 1305 config FW_SNIPROM
410 bool 1306 bool
411 depends on PPC_DCR_NATIVE || PPC_DCR_M !! 1307
>> 1308 config BOOT_ELF32
>> 1309 bool
>> 1310
>> 1311 config MIPS_L1_CACHE_SHIFT_4
>> 1312 bool
>> 1313
>> 1314 config MIPS_L1_CACHE_SHIFT_5
>> 1315 bool
>> 1316
>> 1317 config MIPS_L1_CACHE_SHIFT_6
>> 1318 bool
>> 1319
>> 1320 config MIPS_L1_CACHE_SHIFT_7
>> 1321 bool
>> 1322
>> 1323 config MIPS_L1_CACHE_SHIFT
>> 1324 int
>> 1325 default "7" if MIPS_L1_CACHE_SHIFT_7
>> 1326 default "6" if MIPS_L1_CACHE_SHIFT_6
>> 1327 default "5" if MIPS_L1_CACHE_SHIFT_5
>> 1328 default "4" if MIPS_L1_CACHE_SHIFT_4
>> 1329 default "5"
>> 1330
>> 1331 config HAVE_STD_PC_SERIAL_PORT
>> 1332 bool
>> 1333
>> 1334 config ARC_CONSOLE
>> 1335 bool "ARC console support"
>> 1336 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
>> 1337
>> 1338 config ARC_MEMORY
>> 1339 bool
>> 1340 depends on MACH_JAZZ || SNI_RM || SGI_IP32
412 default y 1341 default y
413 1342
414 config PPC_PCI_OF_BUS_MAP !! 1343 config ARC_PROMLIB
415 bool "Use pci_to_OF_bus_map (deprecate !! 1344 bool
416 depends on PPC32 !! 1345 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
417 depends on PPC_PMAC || PPC_CHRP !! 1346 default y
>> 1347
>> 1348 config FW_ARC64
>> 1349 bool
>> 1350
>> 1351 config BOOT_ELF64
>> 1352 bool
>> 1353
>> 1354 menu "CPU selection"
>> 1355
>> 1356 choice
>> 1357 prompt "CPU type"
>> 1358 default CPU_R4X00
>> 1359
>> 1360 config CPU_LOONGSON3
>> 1361 bool "Loongson 3 CPU"
>> 1362 depends on SYS_HAS_CPU_LOONGSON3
>> 1363 select CPU_SUPPORTS_64BIT_KERNEL
>> 1364 select CPU_SUPPORTS_HIGHMEM
>> 1365 select CPU_SUPPORTS_HUGEPAGES
>> 1366 select WEAK_ORDERING
>> 1367 select WEAK_REORDERING_BEYOND_LLSC
>> 1368 select MIPS_PGD_C0_CONTEXT
>> 1369 select MIPS_L1_CACHE_SHIFT_6
>> 1370 select GPIOLIB
418 help 1371 help
419 This option uses pci_to_OF_bus_map t !! 1372 The Loongson 3 processor implements the MIPS64R2 instruction
420 restricts the system to only having !! 1373 set with many extensions.
421 the "pci-OF-bus-map" property to be <<
422 1374
423 If unsure, say "N". !! 1375 config LOONGSON3_ENHANCEMENT
>> 1376 bool "New Loongson 3 CPU Enhancements"
>> 1377 default n
>> 1378 select CPU_MIPSR2
>> 1379 select CPU_HAS_PREFETCH
>> 1380 depends on CPU_LOONGSON3
>> 1381 help
>> 1382 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1383 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1384 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1385 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1386 Fast TLB refill support, etc.
>> 1387
>> 1388 This option enable those enhancements which are not probed at run
>> 1389 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1390 please say 'N' here. If you want a high-performance kernel to run on
>> 1391 new Loongson 3 machines only, please say 'Y' here.
>> 1392
>> 1393 config CPU_LOONGSON2E
>> 1394 bool "Loongson 2E"
>> 1395 depends on SYS_HAS_CPU_LOONGSON2E
>> 1396 select CPU_LOONGSON2
>> 1397 help
>> 1398 The Loongson 2E processor implements the MIPS III instruction set
>> 1399 with many extensions.
>> 1400
>> 1401 It has an internal FPGA northbridge, which is compatible to
>> 1402 bonito64.
>> 1403
>> 1404 config CPU_LOONGSON2F
>> 1405 bool "Loongson 2F"
>> 1406 depends on SYS_HAS_CPU_LOONGSON2F
>> 1407 select CPU_LOONGSON2
>> 1408 select GPIOLIB
>> 1409 help
>> 1410 The Loongson 2F processor implements the MIPS III instruction set
>> 1411 with many extensions.
>> 1412
>> 1413 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1414 have a similar programming interface with FPGA northbridge used in
>> 1415 Loongson2E.
>> 1416
>> 1417 config CPU_LOONGSON1B
>> 1418 bool "Loongson 1B"
>> 1419 depends on SYS_HAS_CPU_LOONGSON1B
>> 1420 select CPU_LOONGSON1
>> 1421 select LEDS_GPIO_REGISTER
>> 1422 help
>> 1423 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1424 release 2 instruction set.
>> 1425
>> 1426 config CPU_LOONGSON1C
>> 1427 bool "Loongson 1C"
>> 1428 depends on SYS_HAS_CPU_LOONGSON1C
>> 1429 select CPU_LOONGSON1
>> 1430 select LEDS_GPIO_REGISTER
>> 1431 help
>> 1432 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1433 release 2 instruction set.
>> 1434
>> 1435 config CPU_MIPS32_R1
>> 1436 bool "MIPS32 Release 1"
>> 1437 depends on SYS_HAS_CPU_MIPS32_R1
>> 1438 select CPU_HAS_PREFETCH
>> 1439 select CPU_SUPPORTS_32BIT_KERNEL
>> 1440 select CPU_SUPPORTS_HIGHMEM
>> 1441 help
>> 1442 Choose this option to build a kernel for release 1 or later of the
>> 1443 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1444 MIPS processor are based on a MIPS32 processor. If you know the
>> 1445 specific type of processor in your system, choose those that one
>> 1446 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1447 Release 2 of the MIPS32 architecture is available since several
>> 1448 years so chances are you even have a MIPS32 Release 2 processor
>> 1449 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1450 performance.
424 1451
425 config PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT !! 1452 config CPU_MIPS32_R2
426 depends on PPC32 !! 1453 bool "MIPS32 Release 2"
427 depends on !PPC_PCI_OF_BUS_MAP !! 1454 depends on SYS_HAS_CPU_MIPS32_R2
428 bool "Assign PCI bus numbers from zero !! 1455 select CPU_HAS_PREFETCH
>> 1456 select CPU_SUPPORTS_32BIT_KERNEL
>> 1457 select CPU_SUPPORTS_HIGHMEM
>> 1458 select CPU_SUPPORTS_MSA
>> 1459 select HAVE_KVM
>> 1460 help
>> 1461 Choose this option to build a kernel for release 2 or later of the
>> 1462 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1463 MIPS processor are based on a MIPS32 processor. If you know the
>> 1464 specific type of processor in your system, choose those that one
>> 1465 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1466
>> 1467 config CPU_MIPS32_R6
>> 1468 bool "MIPS32 Release 6"
>> 1469 depends on SYS_HAS_CPU_MIPS32_R6
>> 1470 select CPU_HAS_PREFETCH
>> 1471 select CPU_SUPPORTS_32BIT_KERNEL
>> 1472 select CPU_SUPPORTS_HIGHMEM
>> 1473 select CPU_SUPPORTS_MSA
>> 1474 select GENERIC_CSUM
>> 1475 select HAVE_KVM
>> 1476 select MIPS_O32_FP64_SUPPORT
>> 1477 help
>> 1478 Choose this option to build a kernel for release 6 or later of the
>> 1479 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1480 family, are based on a MIPS32r6 processor. If you own an older
>> 1481 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1482
>> 1483 config CPU_MIPS64_R1
>> 1484 bool "MIPS64 Release 1"
>> 1485 depends on SYS_HAS_CPU_MIPS64_R1
>> 1486 select CPU_HAS_PREFETCH
>> 1487 select CPU_SUPPORTS_32BIT_KERNEL
>> 1488 select CPU_SUPPORTS_64BIT_KERNEL
>> 1489 select CPU_SUPPORTS_HIGHMEM
>> 1490 select CPU_SUPPORTS_HUGEPAGES
>> 1491 help
>> 1492 Choose this option to build a kernel for release 1 or later of the
>> 1493 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1494 MIPS processor are based on a MIPS64 processor. If you know the
>> 1495 specific type of processor in your system, choose those that one
>> 1496 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1497 Release 2 of the MIPS64 architecture is available since several
>> 1498 years so chances are you even have a MIPS64 Release 2 processor
>> 1499 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1500 performance.
>> 1501
>> 1502 config CPU_MIPS64_R2
>> 1503 bool "MIPS64 Release 2"
>> 1504 depends on SYS_HAS_CPU_MIPS64_R2
>> 1505 select CPU_HAS_PREFETCH
>> 1506 select CPU_SUPPORTS_32BIT_KERNEL
>> 1507 select CPU_SUPPORTS_64BIT_KERNEL
>> 1508 select CPU_SUPPORTS_HIGHMEM
>> 1509 select CPU_SUPPORTS_HUGEPAGES
>> 1510 select CPU_SUPPORTS_MSA
>> 1511 select HAVE_KVM
>> 1512 help
>> 1513 Choose this option to build a kernel for release 2 or later of the
>> 1514 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1515 MIPS processor are based on a MIPS64 processor. If you know the
>> 1516 specific type of processor in your system, choose those that one
>> 1517 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1518
>> 1519 config CPU_MIPS64_R6
>> 1520 bool "MIPS64 Release 6"
>> 1521 depends on SYS_HAS_CPU_MIPS64_R6
>> 1522 select CPU_HAS_PREFETCH
>> 1523 select CPU_SUPPORTS_32BIT_KERNEL
>> 1524 select CPU_SUPPORTS_64BIT_KERNEL
>> 1525 select CPU_SUPPORTS_HIGHMEM
>> 1526 select CPU_SUPPORTS_MSA
>> 1527 select GENERIC_CSUM
>> 1528 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1529 select HAVE_KVM
>> 1530 help
>> 1531 Choose this option to build a kernel for release 6 or later of the
>> 1532 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1533 family, are based on a MIPS64r6 processor. If you own an older
>> 1534 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1535
>> 1536 config CPU_R3000
>> 1537 bool "R3000"
>> 1538 depends on SYS_HAS_CPU_R3000
>> 1539 select CPU_HAS_WB
>> 1540 select CPU_SUPPORTS_32BIT_KERNEL
>> 1541 select CPU_SUPPORTS_HIGHMEM
>> 1542 help
>> 1543 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1544 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1545 *not* work on R4000 machines and vice versa. However, since most
>> 1546 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1547 might be a safe bet. If the resulting kernel does not work,
>> 1548 try to recompile with R3000.
>> 1549
>> 1550 config CPU_TX39XX
>> 1551 bool "R39XX"
>> 1552 depends on SYS_HAS_CPU_TX39XX
>> 1553 select CPU_SUPPORTS_32BIT_KERNEL
>> 1554
>> 1555 config CPU_VR41XX
>> 1556 bool "R41xx"
>> 1557 depends on SYS_HAS_CPU_VR41XX
>> 1558 select CPU_SUPPORTS_32BIT_KERNEL
>> 1559 select CPU_SUPPORTS_64BIT_KERNEL
>> 1560 help
>> 1561 The options selects support for the NEC VR4100 series of processors.
>> 1562 Only choose this option if you have one of these processors as a
>> 1563 kernel built with this option will not run on any other type of
>> 1564 processor or vice versa.
>> 1565
>> 1566 config CPU_R4300
>> 1567 bool "R4300"
>> 1568 depends on SYS_HAS_CPU_R4300
>> 1569 select CPU_SUPPORTS_32BIT_KERNEL
>> 1570 select CPU_SUPPORTS_64BIT_KERNEL
>> 1571 help
>> 1572 MIPS Technologies R4300-series processors.
>> 1573
>> 1574 config CPU_R4X00
>> 1575 bool "R4x00"
>> 1576 depends on SYS_HAS_CPU_R4X00
>> 1577 select CPU_SUPPORTS_32BIT_KERNEL
>> 1578 select CPU_SUPPORTS_64BIT_KERNEL
>> 1579 select CPU_SUPPORTS_HUGEPAGES
>> 1580 help
>> 1581 MIPS Technologies R4000-series processors other than 4300, including
>> 1582 the R4000, R4400, R4600, and 4700.
>> 1583
>> 1584 config CPU_TX49XX
>> 1585 bool "R49XX"
>> 1586 depends on SYS_HAS_CPU_TX49XX
>> 1587 select CPU_HAS_PREFETCH
>> 1588 select CPU_SUPPORTS_32BIT_KERNEL
>> 1589 select CPU_SUPPORTS_64BIT_KERNEL
>> 1590 select CPU_SUPPORTS_HUGEPAGES
>> 1591
>> 1592 config CPU_R5000
>> 1593 bool "R5000"
>> 1594 depends on SYS_HAS_CPU_R5000
>> 1595 select CPU_SUPPORTS_32BIT_KERNEL
>> 1596 select CPU_SUPPORTS_64BIT_KERNEL
>> 1597 select CPU_SUPPORTS_HUGEPAGES
>> 1598 help
>> 1599 MIPS Technologies R5000-series processors other than the Nevada.
>> 1600
>> 1601 config CPU_R5432
>> 1602 bool "R5432"
>> 1603 depends on SYS_HAS_CPU_R5432
>> 1604 select CPU_SUPPORTS_32BIT_KERNEL
>> 1605 select CPU_SUPPORTS_64BIT_KERNEL
>> 1606 select CPU_SUPPORTS_HUGEPAGES
>> 1607
>> 1608 config CPU_R5500
>> 1609 bool "R5500"
>> 1610 depends on SYS_HAS_CPU_R5500
>> 1611 select CPU_SUPPORTS_32BIT_KERNEL
>> 1612 select CPU_SUPPORTS_64BIT_KERNEL
>> 1613 select CPU_SUPPORTS_HUGEPAGES
>> 1614 help
>> 1615 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1616 instruction set.
>> 1617
>> 1618 config CPU_R6000
>> 1619 bool "R6000"
>> 1620 depends on SYS_HAS_CPU_R6000
>> 1621 select CPU_SUPPORTS_32BIT_KERNEL
>> 1622 help
>> 1623 MIPS Technologies R6000 and R6000A series processors. Note these
>> 1624 processors are extremely rare and the support for them is incomplete.
>> 1625
>> 1626 config CPU_NEVADA
>> 1627 bool "RM52xx"
>> 1628 depends on SYS_HAS_CPU_NEVADA
>> 1629 select CPU_SUPPORTS_32BIT_KERNEL
>> 1630 select CPU_SUPPORTS_64BIT_KERNEL
>> 1631 select CPU_SUPPORTS_HUGEPAGES
>> 1632 help
>> 1633 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1634
>> 1635 config CPU_R8000
>> 1636 bool "R8000"
>> 1637 depends on SYS_HAS_CPU_R8000
>> 1638 select CPU_HAS_PREFETCH
>> 1639 select CPU_SUPPORTS_64BIT_KERNEL
>> 1640 help
>> 1641 MIPS Technologies R8000 processors. Note these processors are
>> 1642 uncommon and the support for them is incomplete.
>> 1643
>> 1644 config CPU_R10000
>> 1645 bool "R10000"
>> 1646 depends on SYS_HAS_CPU_R10000
>> 1647 select CPU_HAS_PREFETCH
>> 1648 select CPU_SUPPORTS_32BIT_KERNEL
>> 1649 select CPU_SUPPORTS_64BIT_KERNEL
>> 1650 select CPU_SUPPORTS_HIGHMEM
>> 1651 select CPU_SUPPORTS_HUGEPAGES
>> 1652 help
>> 1653 MIPS Technologies R10000-series processors.
>> 1654
>> 1655 config CPU_RM7000
>> 1656 bool "RM7000"
>> 1657 depends on SYS_HAS_CPU_RM7000
>> 1658 select CPU_HAS_PREFETCH
>> 1659 select CPU_SUPPORTS_32BIT_KERNEL
>> 1660 select CPU_SUPPORTS_64BIT_KERNEL
>> 1661 select CPU_SUPPORTS_HIGHMEM
>> 1662 select CPU_SUPPORTS_HUGEPAGES
>> 1663
>> 1664 config CPU_SB1
>> 1665 bool "SB1"
>> 1666 depends on SYS_HAS_CPU_SB1
>> 1667 select CPU_SUPPORTS_32BIT_KERNEL
>> 1668 select CPU_SUPPORTS_64BIT_KERNEL
>> 1669 select CPU_SUPPORTS_HIGHMEM
>> 1670 select CPU_SUPPORTS_HUGEPAGES
>> 1671 select WEAK_ORDERING
>> 1672
>> 1673 config CPU_CAVIUM_OCTEON
>> 1674 bool "Cavium Octeon processor"
>> 1675 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1676 select CPU_HAS_PREFETCH
>> 1677 select CPU_SUPPORTS_64BIT_KERNEL
>> 1678 select WEAK_ORDERING
>> 1679 select CPU_SUPPORTS_HIGHMEM
>> 1680 select CPU_SUPPORTS_HUGEPAGES
>> 1681 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1682 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1683 select MIPS_L1_CACHE_SHIFT_7
>> 1684 select HAVE_KVM
>> 1685 help
>> 1686 The Cavium Octeon processor is a highly integrated chip containing
>> 1687 many ethernet hardware widgets for networking tasks. The processor
>> 1688 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1689 Full details can be found at http://www.caviumnetworks.com.
>> 1690
>> 1691 config CPU_BMIPS
>> 1692 bool "Broadcom BMIPS"
>> 1693 depends on SYS_HAS_CPU_BMIPS
>> 1694 select CPU_MIPS32
>> 1695 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1696 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1697 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1698 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1699 select CPU_SUPPORTS_32BIT_KERNEL
>> 1700 select DMA_NONCOHERENT
>> 1701 select IRQ_MIPS_CPU
>> 1702 select SWAP_IO_SPACE
>> 1703 select WEAK_ORDERING
>> 1704 select CPU_SUPPORTS_HIGHMEM
>> 1705 select CPU_HAS_PREFETCH
>> 1706 select CPU_SUPPORTS_CPUFREQ
>> 1707 select MIPS_EXTERNAL_TIMER
>> 1708 help
>> 1709 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
>> 1710
>> 1711 config CPU_XLR
>> 1712 bool "Netlogic XLR SoC"
>> 1713 depends on SYS_HAS_CPU_XLR
>> 1714 select CPU_SUPPORTS_32BIT_KERNEL
>> 1715 select CPU_SUPPORTS_64BIT_KERNEL
>> 1716 select CPU_SUPPORTS_HIGHMEM
>> 1717 select CPU_SUPPORTS_HUGEPAGES
>> 1718 select WEAK_ORDERING
>> 1719 select WEAK_REORDERING_BEYOND_LLSC
>> 1720 help
>> 1721 Netlogic Microsystems XLR/XLS processors.
>> 1722
>> 1723 config CPU_XLP
>> 1724 bool "Netlogic XLP SoC"
>> 1725 depends on SYS_HAS_CPU_XLP
>> 1726 select CPU_SUPPORTS_32BIT_KERNEL
>> 1727 select CPU_SUPPORTS_64BIT_KERNEL
>> 1728 select CPU_SUPPORTS_HIGHMEM
>> 1729 select WEAK_ORDERING
>> 1730 select WEAK_REORDERING_BEYOND_LLSC
>> 1731 select CPU_HAS_PREFETCH
>> 1732 select CPU_MIPSR2
>> 1733 select CPU_SUPPORTS_HUGEPAGES
>> 1734 select MIPS_ASID_BITS_VARIABLE
>> 1735 help
>> 1736 Netlogic Microsystems XLP processors.
>> 1737 endchoice
>> 1738
>> 1739 config CPU_MIPS32_3_5_FEATURES
>> 1740 bool "MIPS32 Release 3.5 Features"
>> 1741 depends on SYS_HAS_CPU_MIPS32_R3_5
>> 1742 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
>> 1743 help
>> 1744 Choose this option to build a kernel for release 2 or later of the
>> 1745 MIPS32 architecture including features from the 3.5 release such as
>> 1746 support for Enhanced Virtual Addressing (EVA).
>> 1747
>> 1748 config CPU_MIPS32_3_5_EVA
>> 1749 bool "Enhanced Virtual Addressing (EVA)"
>> 1750 depends on CPU_MIPS32_3_5_FEATURES
>> 1751 select EVA
>> 1752 default y
>> 1753 help
>> 1754 Choose this option if you want to enable the Enhanced Virtual
>> 1755 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1756 One of its primary benefits is an increase in the maximum size
>> 1757 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1758
>> 1759 config CPU_MIPS32_R5_FEATURES
>> 1760 bool "MIPS32 Release 5 Features"
>> 1761 depends on SYS_HAS_CPU_MIPS32_R5
>> 1762 depends on CPU_MIPS32_R2
>> 1763 help
>> 1764 Choose this option to build a kernel for release 2 or later of the
>> 1765 MIPS32 architecture including features from release 5 such as
>> 1766 support for Extended Physical Addressing (XPA).
>> 1767
>> 1768 config CPU_MIPS32_R5_XPA
>> 1769 bool "Extended Physical Addressing (XPA)"
>> 1770 depends on CPU_MIPS32_R5_FEATURES
>> 1771 depends on !EVA
>> 1772 depends on !PAGE_SIZE_4KB
>> 1773 depends on SYS_SUPPORTS_HIGHMEM
>> 1774 select XPA
>> 1775 select HIGHMEM
>> 1776 select ARCH_PHYS_ADDR_T_64BIT
>> 1777 default n
>> 1778 help
>> 1779 Choose this option if you want to enable the Extended Physical
>> 1780 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
>> 1781 benefit is to increase physical addressing equal to or greater
>> 1782 than 40 bits. Note that this has the side effect of turning on
>> 1783 64-bit addressing which in turn makes the PTEs 64-bit in size.
>> 1784 If unsure, say 'N' here.
>> 1785
>> 1786 if CPU_LOONGSON2F
>> 1787 config CPU_NOP_WORKAROUNDS
>> 1788 bool
>> 1789
>> 1790 config CPU_JUMP_WORKAROUNDS
>> 1791 bool
>> 1792
>> 1793 config CPU_LOONGSON2F_WORKAROUNDS
>> 1794 bool "Loongson 2F Workarounds"
429 default y 1795 default y
>> 1796 select CPU_NOP_WORKAROUNDS
>> 1797 select CPU_JUMP_WORKAROUNDS
430 help 1798 help
431 By default on PPC32 were PCI bus num !! 1799 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
432 So system could have only 256 PCI bu !! 1800 require workarounds. Without workarounds the system may hang
433 PCI domains. When this option is ena !! 1801 unexpectedly. For more information please refer to the gas
434 PCI domain dependent and each PCI co !! 1802 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
435 256 PCI buses, like it is on other L !! 1803
>> 1804 Loongson 2F03 and later have fixed these issues and no workarounds
>> 1805 are needed. The workarounds have no significant side effect on them
>> 1806 but may decrease the performance of the system so this option should
>> 1807 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1808 systems.
436 1809
437 config PPC_OF_PLATFORM_PCI !! 1810 If unsure, please say Y.
>> 1811 endif # CPU_LOONGSON2F
>> 1812
>> 1813 config SYS_SUPPORTS_ZBOOT
438 bool 1814 bool
439 depends on PCI !! 1815 select HAVE_KERNEL_GZIP
440 depends on PPC64 # not supported on 32 !! 1816 select HAVE_KERNEL_BZIP2
>> 1817 select HAVE_KERNEL_LZ4
>> 1818 select HAVE_KERNEL_LZMA
>> 1819 select HAVE_KERNEL_LZO
>> 1820 select HAVE_KERNEL_XZ
441 1821
442 config ARCH_SUPPORTS_UPROBES !! 1822 config SYS_SUPPORTS_ZBOOT_UART16550
443 def_bool y !! 1823 bool
>> 1824 select SYS_SUPPORTS_ZBOOT
444 1825
445 config PPC_ADV_DEBUG_REGS !! 1826 config SYS_SUPPORTS_ZBOOT_UART_PROM
446 bool 1827 bool
447 depends on BOOKE !! 1828 select SYS_SUPPORTS_ZBOOT
448 default y <<
449 1829
450 config PPC_ADV_DEBUG_IACS !! 1830 config CPU_LOONGSON2
451 int !! 1831 bool
452 depends on PPC_ADV_DEBUG_REGS !! 1832 select CPU_SUPPORTS_32BIT_KERNEL
453 default 4 if 44x !! 1833 select CPU_SUPPORTS_64BIT_KERNEL
454 default 2 !! 1834 select CPU_SUPPORTS_HIGHMEM
>> 1835 select CPU_SUPPORTS_HUGEPAGES
455 1836
456 config PPC_ADV_DEBUG_DACS !! 1837 config CPU_LOONGSON1
457 int !! 1838 bool
458 depends on PPC_ADV_DEBUG_REGS !! 1839 select CPU_MIPS32
459 default 2 !! 1840 select CPU_MIPSR2
>> 1841 select CPU_HAS_PREFETCH
>> 1842 select CPU_SUPPORTS_32BIT_KERNEL
>> 1843 select CPU_SUPPORTS_HIGHMEM
>> 1844 select CPU_SUPPORTS_CPUFREQ
460 1845
461 config PPC_ADV_DEBUG_DVCS !! 1846 config CPU_BMIPS32_3300
462 int !! 1847 select SMP_UP if SMP
463 depends on PPC_ADV_DEBUG_REGS !! 1848 bool
464 default 2 if 44x !! 1849
465 default 0 !! 1850 config CPU_BMIPS4350
>> 1851 bool
>> 1852 select SYS_SUPPORTS_SMP
>> 1853 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1854
>> 1855 config CPU_BMIPS4380
>> 1856 bool
>> 1857 select MIPS_L1_CACHE_SHIFT_6
>> 1858 select SYS_SUPPORTS_SMP
>> 1859 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1860 select CPU_HAS_RIXI
>> 1861
>> 1862 config CPU_BMIPS5000
>> 1863 bool
>> 1864 select MIPS_CPU_SCACHE
>> 1865 select MIPS_L1_CACHE_SHIFT_7
>> 1866 select SYS_SUPPORTS_SMP
>> 1867 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1868 select CPU_HAS_RIXI
>> 1869
>> 1870 config SYS_HAS_CPU_LOONGSON3
>> 1871 bool
>> 1872 select CPU_SUPPORTS_CPUFREQ
>> 1873 select CPU_HAS_RIXI
>> 1874
>> 1875 config SYS_HAS_CPU_LOONGSON2E
>> 1876 bool
>> 1877
>> 1878 config SYS_HAS_CPU_LOONGSON2F
>> 1879 bool
>> 1880 select CPU_SUPPORTS_CPUFREQ
>> 1881 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1882 select CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 1883
>> 1884 config SYS_HAS_CPU_LOONGSON1B
>> 1885 bool
>> 1886
>> 1887 config SYS_HAS_CPU_LOONGSON1C
>> 1888 bool
>> 1889
>> 1890 config SYS_HAS_CPU_MIPS32_R1
>> 1891 bool
>> 1892
>> 1893 config SYS_HAS_CPU_MIPS32_R2
>> 1894 bool
>> 1895
>> 1896 config SYS_HAS_CPU_MIPS32_R3_5
>> 1897 bool
>> 1898
>> 1899 config SYS_HAS_CPU_MIPS32_R5
>> 1900 bool
>> 1901
>> 1902 config SYS_HAS_CPU_MIPS32_R6
>> 1903 bool
>> 1904
>> 1905 config SYS_HAS_CPU_MIPS64_R1
>> 1906 bool
>> 1907
>> 1908 config SYS_HAS_CPU_MIPS64_R2
>> 1909 bool
>> 1910
>> 1911 config SYS_HAS_CPU_MIPS64_R6
>> 1912 bool
>> 1913
>> 1914 config SYS_HAS_CPU_R3000
>> 1915 bool
>> 1916
>> 1917 config SYS_HAS_CPU_TX39XX
>> 1918 bool
>> 1919
>> 1920 config SYS_HAS_CPU_VR41XX
>> 1921 bool
>> 1922
>> 1923 config SYS_HAS_CPU_R4300
>> 1924 bool
>> 1925
>> 1926 config SYS_HAS_CPU_R4X00
>> 1927 bool
>> 1928
>> 1929 config SYS_HAS_CPU_TX49XX
>> 1930 bool
>> 1931
>> 1932 config SYS_HAS_CPU_R5000
>> 1933 bool
>> 1934
>> 1935 config SYS_HAS_CPU_R5432
>> 1936 bool
>> 1937
>> 1938 config SYS_HAS_CPU_R5500
>> 1939 bool
>> 1940
>> 1941 config SYS_HAS_CPU_R6000
>> 1942 bool
>> 1943
>> 1944 config SYS_HAS_CPU_NEVADA
>> 1945 bool
>> 1946
>> 1947 config SYS_HAS_CPU_R8000
>> 1948 bool
>> 1949
>> 1950 config SYS_HAS_CPU_R10000
>> 1951 bool
>> 1952
>> 1953 config SYS_HAS_CPU_RM7000
>> 1954 bool
>> 1955
>> 1956 config SYS_HAS_CPU_SB1
>> 1957 bool
>> 1958
>> 1959 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 1960 bool
>> 1961
>> 1962 config SYS_HAS_CPU_BMIPS
>> 1963 bool
>> 1964
>> 1965 config SYS_HAS_CPU_BMIPS32_3300
>> 1966 bool
>> 1967 select SYS_HAS_CPU_BMIPS
>> 1968
>> 1969 config SYS_HAS_CPU_BMIPS4350
>> 1970 bool
>> 1971 select SYS_HAS_CPU_BMIPS
>> 1972
>> 1973 config SYS_HAS_CPU_BMIPS4380
>> 1974 bool
>> 1975 select SYS_HAS_CPU_BMIPS
466 1976
467 config PPC_ADV_DEBUG_DAC_RANGE !! 1977 config SYS_HAS_CPU_BMIPS5000
>> 1978 bool
>> 1979 select SYS_HAS_CPU_BMIPS
>> 1980
>> 1981 config SYS_HAS_CPU_XLR
>> 1982 bool
>> 1983
>> 1984 config SYS_HAS_CPU_XLP
>> 1985 bool
>> 1986
>> 1987 config MIPS_MALTA_PM
>> 1988 depends on MIPS_MALTA
>> 1989 depends on PCI
468 bool 1990 bool
469 depends on PPC_ADV_DEBUG_REGS && 44x <<
470 default y 1991 default y
471 1992
472 config PPC_DAWR !! 1993 #
>> 1994 # CPU may reorder R->R, R->W, W->R, W->W
>> 1995 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 1996 #
>> 1997 config WEAK_ORDERING
473 bool 1998 bool
474 1999
475 config PGTABLE_LEVELS !! 2000 #
476 int !! 2001 # CPU may reorder reads and writes beyond LL/SC
477 default 2 if !PPC64 !! 2002 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
478 default 4 !! 2003 #
>> 2004 config WEAK_REORDERING_BEYOND_LLSC
>> 2005 bool
>> 2006 endmenu
479 2007
480 source "arch/powerpc/sysdev/Kconfig" !! 2008 #
481 source "arch/powerpc/platforms/Kconfig" !! 2009 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 2010 #
>> 2011 config CPU_MIPS32
>> 2012 bool
>> 2013 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
482 2014
483 menu "Kernel options" !! 2015 config CPU_MIPS64
>> 2016 bool
>> 2017 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
484 2018
485 config HIGHMEM !! 2019 #
486 bool "High memory support" !! 2020 # These two indicate the revision of the architecture, either Release 1 or Release 2
487 depends on PPC32 !! 2021 #
488 select KMAP_LOCAL !! 2022 config CPU_MIPSR1
489 !! 2023 bool
490 source "kernel/Kconfig.hz" !! 2024 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
491 !! 2025
492 config MATH_EMULATION !! 2026 config CPU_MIPSR2
493 bool "Math emulation" !! 2027 bool
494 depends on 44x || PPC_8xx || PPC_MPC83 !! 2028 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
495 select PPC_FPU_REGS !! 2029 select CPU_HAS_RIXI
496 help !! 2030 select MIPS_SPRAM
497 Some PowerPC chips designed for embe !! 2031
498 a floating-point unit and therefore !! 2032 config CPU_MIPSR6
499 floating-point instructions in the P !! 2033 bool
500 say Y here, the kernel will include !! 2034 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
501 unit, which will allow programs that !! 2035 select CPU_HAS_RIXI
502 instructions to run. !! 2036 select HAVE_ARCH_BITREVERSE
503 !! 2037 select MIPS_ASID_BITS_VARIABLE
504 This is also useful to emulate missi !! 2038 select MIPS_SPRAM
505 such as fsqrt on cores that do have !! 2039
506 them (such as Freescale BookE). !! 2040 config EVA
>> 2041 bool
>> 2042
>> 2043 config XPA
>> 2044 bool
>> 2045
>> 2046 config SYS_SUPPORTS_32BIT_KERNEL
>> 2047 bool
>> 2048 config SYS_SUPPORTS_64BIT_KERNEL
>> 2049 bool
>> 2050 config CPU_SUPPORTS_32BIT_KERNEL
>> 2051 bool
>> 2052 config CPU_SUPPORTS_64BIT_KERNEL
>> 2053 bool
>> 2054 config CPU_SUPPORTS_CPUFREQ
>> 2055 bool
>> 2056 config CPU_SUPPORTS_ADDRWINCFG
>> 2057 bool
>> 2058 config CPU_SUPPORTS_HUGEPAGES
>> 2059 bool
>> 2060 config CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 2061 bool
>> 2062 config MIPS_PGD_C0_CONTEXT
>> 2063 bool
>> 2064 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
>> 2065
>> 2066 #
>> 2067 # Set to y for ptrace access to watch registers.
>> 2068 #
>> 2069 config HARDWARE_WATCHPOINTS
>> 2070 bool
>> 2071 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2072
>> 2073 menu "Kernel type"
507 2074
508 choice 2075 choice
509 prompt "Math emulation options" !! 2076 prompt "Kernel code model"
510 default MATH_EMULATION_FULL !! 2077 help
511 depends on MATH_EMULATION !! 2078 You should only select this option if you have a workload that
512 !! 2079 actually benefits from 64-bit processing or if your machine has
513 config MATH_EMULATION_FULL !! 2080 large memory. You will only be presented a single option in this
514 bool "Emulate all the floating point i !! 2081 menu if your system does not support both 32-bit and 64-bit kernels.
515 help <<
516 Select this option will enable the k <<
517 all the floating point instructions. <<
518 a FPU, you should select this. <<
519 2082
520 config MATH_EMULATION_HW_UNIMPLEMENTED !! 2083 config 32BIT
521 bool "Just emulate the FPU unimplement !! 2084 bool "32-bit kernel"
>> 2085 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
>> 2086 select TRAD_SIGNALS
>> 2087 help
>> 2088 Select this option if you want to build a 32-bit kernel.
>> 2089
>> 2090 config 64BIT
>> 2091 bool "64-bit kernel"
>> 2092 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
522 help 2093 help
523 Select this if you know there does h !! 2094 Select this option if you want to build a 64-bit kernel.
524 SoC, but some floating point instruc <<
525 2095
526 endchoice 2096 endchoice
527 2097
528 config PPC_TRANSACTIONAL_MEM !! 2098 config KVM_GUEST
529 bool "Transactional Memory support for !! 2099 bool "KVM Guest Kernel"
530 depends on PPC_BOOK3S_64 !! 2100 depends on BROKEN_ON_SMP
531 depends on SMP !! 2101 help
532 select ALTIVEC !! 2102 Select this option if building a guest kernel for KVM (Trap & Emulate)
533 select VSX !! 2103 mode.
>> 2104
>> 2105 config KVM_GUEST_TIMER_FREQ
>> 2106 int "Count/Compare Timer Frequency (MHz)"
>> 2107 depends on KVM_GUEST
>> 2108 default 100
>> 2109 help
>> 2110 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2111 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2112 timer frequency is specified directly.
>> 2113
>> 2114 config MIPS_VA_BITS_48
>> 2115 bool "48 bits virtual memory"
>> 2116 depends on 64BIT
>> 2117 help
>> 2118 Support a maximum at least 48 bits of application virtual
>> 2119 memory. Default is 40 bits or less, depending on the CPU.
>> 2120 For page sizes 16k and above, this option results in a small
>> 2121 memory overhead for page tables. For 4k page size, a fourth
>> 2122 level of page tables is added which imposes both a memory
>> 2123 overhead as well as slower TLB fault handling.
>> 2124
>> 2125 If unsure, say N.
>> 2126
>> 2127 choice
>> 2128 prompt "Kernel page size"
>> 2129 default PAGE_SIZE_4KB
>> 2130
>> 2131 config PAGE_SIZE_4KB
>> 2132 bool "4kB"
>> 2133 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2134 help
>> 2135 This option select the standard 4kB Linux page size. On some
>> 2136 R3000-family processors this is the only available page size. Using
>> 2137 4kB page size will minimize memory consumption and is therefore
>> 2138 recommended for low memory systems.
>> 2139
>> 2140 config PAGE_SIZE_8KB
>> 2141 bool "8kB"
>> 2142 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2143 depends on !MIPS_VA_BITS_48
>> 2144 help
>> 2145 Using 8kB page size will result in higher performance kernel at
>> 2146 the price of higher memory consumption. This option is available
>> 2147 only on R8000 and cnMIPS processors. Note that you will need a
>> 2148 suitable Linux distribution to support this.
>> 2149
>> 2150 config PAGE_SIZE_16KB
>> 2151 bool "16kB"
>> 2152 depends on !CPU_R3000 && !CPU_TX39XX
>> 2153 help
>> 2154 Using 16kB page size will result in higher performance kernel at
>> 2155 the price of higher memory consumption. This option is available on
>> 2156 all non-R3000 family processors. Note that you will need a suitable
>> 2157 Linux distribution to support this.
>> 2158
>> 2159 config PAGE_SIZE_32KB
>> 2160 bool "32kB"
>> 2161 depends on CPU_CAVIUM_OCTEON
>> 2162 depends on !MIPS_VA_BITS_48
>> 2163 help
>> 2164 Using 32kB page size will result in higher performance kernel at
>> 2165 the price of higher memory consumption. This option is available
>> 2166 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2167 distribution to support this.
>> 2168
>> 2169 config PAGE_SIZE_64KB
>> 2170 bool "64kB"
>> 2171 depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
>> 2172 help
>> 2173 Using 64kB page size will result in higher performance kernel at
>> 2174 the price of higher memory consumption. This option is available on
>> 2175 all non-R3000 family processor. Not that at the time of this
>> 2176 writing this option is still high experimental.
>> 2177
>> 2178 endchoice
>> 2179
>> 2180 config FORCE_MAX_ZONEORDER
>> 2181 int "Maximum zone order"
>> 2182 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2183 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2184 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2185 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2186 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2187 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2188 range 11 64
>> 2189 default "11"
>> 2190 help
>> 2191 The kernel memory allocator divides physically contiguous memory
>> 2192 blocks into "zones", where each zone is a power of two number of
>> 2193 pages. This option selects the largest power of two that the kernel
>> 2194 keeps in the memory allocator. If you need to allocate very large
>> 2195 blocks of physically contiguous memory, then you may need to
>> 2196 increase this value.
>> 2197
>> 2198 This config option is actually maximum order plus one. For example,
>> 2199 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2200
>> 2201 The page size is not necessarily 4KB. Keep this in mind
>> 2202 when choosing a value for this option.
>> 2203
>> 2204 config BOARD_SCACHE
>> 2205 bool
>> 2206
>> 2207 config IP22_CPU_SCACHE
>> 2208 bool
>> 2209 select BOARD_SCACHE
>> 2210
>> 2211 #
>> 2212 # Support for a MIPS32 / MIPS64 style S-caches
>> 2213 #
>> 2214 config MIPS_CPU_SCACHE
>> 2215 bool
>> 2216 select BOARD_SCACHE
>> 2217
>> 2218 config R5000_CPU_SCACHE
>> 2219 bool
>> 2220 select BOARD_SCACHE
>> 2221
>> 2222 config RM7000_CPU_SCACHE
>> 2223 bool
>> 2224 select BOARD_SCACHE
>> 2225
>> 2226 config SIBYTE_DMA_PAGEOPS
>> 2227 bool "Use DMA to clear/copy pages"
>> 2228 depends on CPU_SB1
>> 2229 help
>> 2230 Instead of using the CPU to zero and copy pages, use a Data Mover
>> 2231 channel. These DMA channels are otherwise unused by the standard
>> 2232 SiByte Linux port. Seems to give a small performance benefit.
>> 2233
>> 2234 config CPU_HAS_PREFETCH
>> 2235 bool
>> 2236
>> 2237 config CPU_GENERIC_DUMP_TLB
>> 2238 bool
>> 2239 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
>> 2240
>> 2241 config CPU_R4K_FPU
>> 2242 bool
>> 2243 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
>> 2244
>> 2245 config CPU_R4K_CACHE_TLB
>> 2246 bool
>> 2247 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
>> 2248
>> 2249 config MIPS_MT_SMP
>> 2250 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2251 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
>> 2252 select CPU_MIPSR2_IRQ_VI
>> 2253 select CPU_MIPSR2_IRQ_EI
>> 2254 select SYNC_R4K
>> 2255 select MIPS_MT
>> 2256 select SMP
>> 2257 select SMP_UP
>> 2258 select SYS_SUPPORTS_SMP
>> 2259 select SYS_SUPPORTS_SCHED_SMT
>> 2260 select MIPS_PERF_SHARED_TC_COUNTERS
534 help 2261 help
535 Support user-mode Transactional Memo !! 2262 This is a kernel model which is known as SMVP. This is supported
>> 2263 on cores with the MT ASE and uses the available VPEs to implement
>> 2264 virtual processors which supports SMP. This is equivalent to the
>> 2265 Intel Hyperthreading feature. For further information go to
>> 2266 <http://www.imgtec.com/mips/mips-multithreading.asp>.
536 2267
537 config PPC_UV !! 2268 config MIPS_MT
538 bool "Ultravisor support" !! 2269 bool
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 2270
540 depends on DEVICE_PRIVATE !! 2271 config SCHED_SMT
>> 2272 bool "SMT (multithreading) scheduler support"
>> 2273 depends on SYS_SUPPORTS_SCHED_SMT
541 default n 2274 default n
542 help 2275 help
543 This option paravirtualizes the kern !! 2276 SMT scheduler support improves the CPU scheduler's decision making
544 supports the Protected Execution Fac !! 2277 when dealing with MIPS MT enabled cores at a cost of slightly
545 the ultravisor firmware runs at a pr !! 2278 increased overhead in some places. If unsure say N here.
546 hypervisor. <<
547 <<
548 If unsure, say "N". <<
549 <<
550 config LD_HEAD_STUB_CATCH <<
551 bool "Reserve 256 bytes to cope with l <<
552 depends on PPC64 <<
553 help <<
554 Very large kernels can cause linker <<
555 code in head_64.S, which moves the h <<
556 specified location. This option can <<
557 <<
558 If unsure, say "N". <<
559 <<
560 config MPROFILE_KERNEL <<
561 depends on PPC64_ELF_ABI_V2 && FUNCTIO <<
562 def_bool $(success,$(srctree)/arch/pow <<
563 def_bool $(success,$(srctree)/arch/pow <<
564 <<
565 config ARCH_USING_PATCHABLE_FUNCTION_ENTRY <<
566 depends on FUNCTION_TRACER && (PPC32 | <<
567 depends on $(cc-option,-fpatchable-fun <<
568 def_bool y if PPC32 <<
569 def_bool $(success,$(srctree)/arch/pow <<
570 def_bool $(success,$(srctree)/arch/pow <<
571 2279
572 config HOTPLUG_CPU !! 2280 config SYS_SUPPORTS_SCHED_SMT
573 bool "Support for enabling/disabling C !! 2281 bool
574 depends on SMP && (PPC_PSERIES || \ <<
575 PPC_PMAC || PPC_POWERNV || FSL <<
576 help <<
577 Say Y here to be able to disable and <<
578 CPUs at runtime on SMP machines. <<
579 <<
580 Say N if you are unsure. <<
581 <<
582 config INTERRUPT_SANITIZE_REGISTERS <<
583 bool "Clear gprs on interrupt arrival" <<
584 depends on PPC64 && ARCH_HAS_SYSCALL_W <<
585 default PPC_BOOK3E_64 || PPC_PSERIES | <<
586 help <<
587 Reduce the influence of user registe <<
588 syscalls through clearing user state <<
589 the exception. <<
590 2282
591 config PPC_QUEUED_SPINLOCKS !! 2283 config SYS_SUPPORTS_MULTITHREADING
592 bool "Queued spinlocks" if EXPERT !! 2284 bool
593 depends on SMP !! 2285
594 default PPC_BOOK3S_64 !! 2286 config MIPS_MT_FPAFF
>> 2287 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2288 default y
>> 2289 depends on MIPS_MT_SMP
>> 2290
>> 2291 config MIPSR2_TO_R6_EMULATOR
>> 2292 bool "MIPS R2-to-R6 emulator"
>> 2293 depends on CPU_MIPSR6
>> 2294 default y
595 help 2295 help
596 Say Y here to use queued spinlocks w !! 2296 Choose this option if you want to run non-R6 MIPS userland code.
597 fairness on large SMP and NUMA syste !! 2297 Even if you say 'Y' here, the emulator will still be disabled by
598 performance. !! 2298 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2299 The only reason this is a build-time option is to save ~14K from the
>> 2300 final kernel image.
599 2301
600 config ARCH_CPU_PROBE_RELEASE !! 2302 config MIPS_VPE_LOADER
601 def_bool y !! 2303 bool "VPE loader support."
602 depends on HOTPLUG_CPU !! 2304 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
>> 2305 select CPU_MIPSR2_IRQ_VI
>> 2306 select CPU_MIPSR2_IRQ_EI
>> 2307 select MIPS_MT
>> 2308 help
>> 2309 Includes a loader for loading an elf relocatable object
>> 2310 onto another VPE and running it.
603 2311
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 2312 config MIPS_VPE_LOADER_CMP
605 bool "Add support for memory hwpoison" !! 2313 bool
606 depends on PPC_BOOK3S_64 !! 2314 default "y"
607 default "y" if PPC_POWERNV !! 2315 depends on MIPS_VPE_LOADER && MIPS_CMP
608 select ARCH_SUPPORTS_MEMORY_FAILURE <<
609 2316
610 config ARCH_SUPPORTS_KEXEC !! 2317 config MIPS_VPE_LOADER_MT
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 2318 bool
>> 2319 default "y"
>> 2320 depends on MIPS_VPE_LOADER && !MIPS_CMP
612 2321
613 config ARCH_SUPPORTS_KEXEC_FILE !! 2322 config MIPS_VPE_LOADER_TOM
614 def_bool PPC64 !! 2323 bool "Load VPE program into memory hidden from linux"
>> 2324 depends on MIPS_VPE_LOADER
>> 2325 default y
>> 2326 help
>> 2327 The loader can use memory that is present but has been hidden from
>> 2328 Linux using the kernel command line option "mem=xxMB". It's up to
>> 2329 you to ensure the amount you put in the option and the space your
>> 2330 program requires is less or equal to the amount physically present.
615 2331
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 2332 config MIPS_VPE_APSP_API
617 def_bool y !! 2333 bool "Enable support for AP/SP API (RTLX)"
>> 2334 depends on MIPS_VPE_LOADER
>> 2335 help
618 2336
619 config ARCH_SELECTS_KEXEC_FILE !! 2337 config MIPS_VPE_APSP_API_CMP
620 def_bool y !! 2338 bool
621 depends on KEXEC_FILE !! 2339 default "y"
622 select KEXEC_ELF !! 2340 depends on MIPS_VPE_APSP_API && MIPS_CMP
623 select HAVE_IMA_KEXEC if IMA !! 2341
624 !! 2342 config MIPS_VPE_APSP_API_MT
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 2343 bool
626 # Option is available to BFD, but LLD !! 2344 default "y"
627 # always true there. !! 2345 depends on MIPS_VPE_APSP_API && !MIPS_CMP
628 prompt "Build big-endian kernel using !! 2346
629 def_bool y !! 2347 config MIPS_CMP
630 depends on PPC64 && CPU_BIG_ENDIAN !! 2348 bool "MIPS CMP framework support (DEPRECATED)"
631 depends on CC_HAS_ELFV2 !! 2349 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2350 select SMP
>> 2351 select SYNC_R4K
>> 2352 select SYS_SUPPORTS_SMP
>> 2353 select WEAK_ORDERING
>> 2354 default n
632 help 2355 help
633 This builds the kernel image using t !! 2356 Select this if you are using a bootloader which implements the "CMP
634 V2 ABI Specification", which has a r !! 2357 framework" protocol (ie. YAMON) and want your kernel to make use of
635 function calls. This internal kernel !! 2358 its ability to start secondary CPUs.
636 userspace compatibility. <<
637 <<
638 The V2 ABI is standard for 64-bit li <<
639 it is less well tested by kernel and <<
640 build userspace this way, and it can <<
641 2359
642 config RELOCATABLE !! 2360 Unless you have a specific need, you should use CONFIG_MIPS_CPS
643 bool "Build a relocatable kernel" !! 2361 instead of this.
644 depends on PPC64 || (FLATMEM && (44x | <<
645 select NONSTATIC_KERNEL <<
646 help <<
647 This builds a kernel image that is c <<
648 location the kernel is loaded at. Fo <<
649 alignment restrictions, and this fea <<
650 DYNAMIC_MEMSTART and hence overrides <<
651 16k-aligned base address. The kernel <<
652 position-independent executable (PIE <<
653 which are processed early in the boo <<
654 <<
655 One use is for the kexec on panic ca <<
656 must live at a different physical ad <<
657 kernel. <<
658 <<
659 Note: If CONFIG_RELOCATABLE=y, then <<
660 it has been loaded at and the compil <<
661 CONFIG_PHYSICAL_START is ignored. H <<
662 setting can still be useful to bootw <<
663 load address of the kernel (eg. u-bo <<
664 2362
665 config RANDOMIZE_BASE !! 2363 config MIPS_CPS
666 bool "Randomize the address of the ker !! 2364 bool "MIPS Coherent Processing System support"
667 depends on PPC_85xx && FLATMEM !! 2365 depends on SYS_SUPPORTS_MIPS_CPS
668 depends on RELOCATABLE !! 2366 select MIPS_CM
>> 2367 select MIPS_CPC
>> 2368 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2369 select SMP
>> 2370 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2371 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2372 select SYS_SUPPORTS_SMP
>> 2373 select WEAK_ORDERING
669 help 2374 help
670 Randomizes the virtual address at wh !! 2375 Select this if you wish to run an SMP kernel across multiple cores
671 loaded, as a security feature that d !! 2376 within a MIPS Coherent Processing System. When this option is
672 relying on knowledge of the location !! 2377 enabled the kernel will probe for other cores and boot them with
>> 2378 no external assistance. It is safe to enable this when hardware
>> 2379 support is unavailable.
673 2380
674 If unsure, say Y. !! 2381 config MIPS_CPS_PM
>> 2382 depends on MIPS_CPS
>> 2383 select MIPS_CPC
>> 2384 bool
675 2385
676 config RELOCATABLE_TEST !! 2386 config MIPS_CM
677 bool "Test relocatable kernel" !! 2387 bool
678 depends on (PPC64 && RELOCATABLE) <<
679 help <<
680 This runs the relocatable kernel at <<
681 loaded at, which tends to be non-zer <<
682 relocation code. <<
683 2388
684 config ARCH_SUPPORTS_CRASH_DUMP !! 2389 config MIPS_CPC
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 2390 bool
686 2391
687 config ARCH_SELECTS_CRASH_DUMP !! 2392 config SB1_PASS_2_WORKAROUNDS
688 def_bool y !! 2393 bool
689 depends on CRASH_DUMP !! 2394 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
690 select RELOCATABLE if PPC64 || 44x || !! 2395 default y
691 2396
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 2397 config SB1_PASS_2_1_WORKAROUNDS
693 def_bool y !! 2398 bool
694 depends on PPC64 !! 2399 depends on CPU_SB1 && CPU_SB1_PASS_2
>> 2400 default y
695 2401
696 config FA_DUMP <<
697 bool "Firmware-assisted dump" <<
698 depends on CRASH_DUMP && PPC64 && (PPC <<
699 help <<
700 A robust mechanism to get reliable k <<
701 assistance from firmware. This appro <<
702 instead firmware assists in booting <<
703 while preserving memory contents. Fi <<
704 is meant to be a kdump replacement o <<
705 speed not possible without system fi <<
706 <<
707 If unsure, say "y". Only special ker <<
708 need to say "N" here. <<
709 <<
710 config PRESERVE_FA_DUMP <<
711 bool "Preserve Firmware-assisted dump" <<
712 depends on PPC64 && PPC_POWERNV && !FA <<
713 help <<
714 On a kernel with FA_DUMP disabled, t <<
715 crash data from a previously crash'e <<
716 memory preserving kernel boot would <<
717 Petitboot kernel is the typical usec <<
718 <<
719 config OPAL_CORE <<
720 bool "Export OPAL memory as /sys/firmw <<
721 depends on PPC64 && PPC_POWERNV <<
722 help <<
723 This option uses the MPIPL support i <<
724 ELF core of OPAL memory after a cras <<
725 as /sys/firmware/opal/core file whic <<
726 OPAL crashes using GDB. <<
727 2402
728 config IRQ_ALL_CPUS !! 2403 config ARCH_PHYS_ADDR_T_64BIT
729 bool "Distribute interrupts on all CPU !! 2404 bool
730 depends on SMP !! 2405
>> 2406 choice
>> 2407 prompt "SmartMIPS or microMIPS ASE support"
>> 2408
>> 2409 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2410 bool "None"
731 help 2411 help
732 This option gives the kernel permiss !! 2412 Select this if you want neither microMIPS nor SmartMIPS support
733 multiple CPUs. Saying N here will r <<
734 CPU. Generally saying Y is safe, al <<
735 reported with SMP Power Macintoshes <<
736 2413
737 config NUMA !! 2414 config CPU_HAS_SMARTMIPS
738 bool "NUMA Memory Allocation and Sched !! 2415 depends on SYS_SUPPORTS_SMARTMIPS
739 depends on PPC64 && SMP !! 2416 bool "SmartMIPS"
740 default y if PPC_PSERIES || PPC_POWERN !! 2417 help
741 select USE_PERCPU_NUMA_NODE_ID !! 2418 SmartMIPS is a extension of the MIPS32 architecture aimed at
742 help !! 2419 increased security at both hardware and software level for
743 Enable NUMA (Non-Uniform Memory Acce !! 2420 smartcards. Enabling this option will allow proper use of the
744 !! 2421 SmartMIPS instructions by Linux applications. However a kernel with
745 The kernel will try to allocate memo !! 2422 this option will not work on a MIPS core without SmartMIPS core. If
746 local memory controller of the CPU a !! 2423 you don't know you probably don't have SmartMIPS and should say N
747 NUMA awareness to the kernel. !! 2424 here.
>> 2425
>> 2426 config CPU_MICROMIPS
>> 2427 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2428 bool "microMIPS"
>> 2429 help
>> 2430 When this option is enabled the kernel will be built using the
>> 2431 microMIPS ISA
748 2432
749 config NODES_SHIFT !! 2433 endchoice
>> 2434
>> 2435 config CPU_HAS_MSA
>> 2436 bool "Support for the MIPS SIMD Architecture"
>> 2437 depends on CPU_SUPPORTS_MSA
>> 2438 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2439 help
>> 2440 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2441 and a set of SIMD instructions to operate on them. When this option
>> 2442 is enabled the kernel will support allocating & switching MSA
>> 2443 vector register contexts. If you know that your kernel will only be
>> 2444 running on CPUs which do not support MSA or that your userland will
>> 2445 not be making use of it then you may wish to say N here to reduce
>> 2446 the size & complexity of your kernel.
>> 2447
>> 2448 If unsure, say Y.
>> 2449
>> 2450 config CPU_HAS_WB
>> 2451 bool
>> 2452
>> 2453 config XKS01
>> 2454 bool
>> 2455
>> 2456 config CPU_HAS_RIXI
>> 2457 bool
>> 2458
>> 2459 #
>> 2460 # Vectored interrupt mode is an R2 feature
>> 2461 #
>> 2462 config CPU_MIPSR2_IRQ_VI
>> 2463 bool
>> 2464
>> 2465 #
>> 2466 # Extended interrupt mode is an R2 feature
>> 2467 #
>> 2468 config CPU_MIPSR2_IRQ_EI
>> 2469 bool
>> 2470
>> 2471 config CPU_HAS_SYNC
>> 2472 bool
>> 2473 depends on !CPU_R3000
>> 2474 default y
>> 2475
>> 2476 #
>> 2477 # CPU non-features
>> 2478 #
>> 2479 config CPU_DADDI_WORKAROUNDS
>> 2480 bool
>> 2481
>> 2482 config CPU_R4000_WORKAROUNDS
>> 2483 bool
>> 2484 select CPU_R4400_WORKAROUNDS
>> 2485
>> 2486 config CPU_R4400_WORKAROUNDS
>> 2487 bool
>> 2488
>> 2489 config MIPS_ASID_SHIFT
750 int 2490 int
751 default "8" if PPC64 !! 2491 default 6 if CPU_R3000 || CPU_TX39XX
752 default "4" !! 2492 default 4 if CPU_R8000
753 depends on NUMA !! 2493 default 0
754 2494
755 config HAVE_MEMORYLESS_NODES !! 2495 config MIPS_ASID_BITS
756 def_bool y !! 2496 int
757 depends on NUMA !! 2497 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2498 default 6 if CPU_R3000 || CPU_TX39XX
>> 2499 default 8
>> 2500
>> 2501 config MIPS_ASID_BITS_VARIABLE
>> 2502 bool
>> 2503
>> 2504 #
>> 2505 # - Highmem only makes sense for the 32-bit kernel.
>> 2506 # - The current highmem code will only work properly on physically indexed
>> 2507 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2508 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2509 # moment we protect the user and offer the highmem option only on machines
>> 2510 # where it's known to be safe. This will not offer highmem on a few systems
>> 2511 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2512 # indexed CPUs but we're playing safe.
>> 2513 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2514 # know they might have memory configurations that could make use of highmem
>> 2515 # support.
>> 2516 #
>> 2517 config HIGHMEM
>> 2518 bool "High Memory Support"
>> 2519 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
758 2520
759 config ARCH_SELECT_MEMORY_MODEL !! 2521 config CPU_SUPPORTS_HIGHMEM
760 def_bool y !! 2522 bool
761 depends on PPC64 !! 2523
>> 2524 config SYS_SUPPORTS_HIGHMEM
>> 2525 bool
>> 2526
>> 2527 config SYS_SUPPORTS_SMARTMIPS
>> 2528 bool
>> 2529
>> 2530 config SYS_SUPPORTS_MICROMIPS
>> 2531 bool
>> 2532
>> 2533 config SYS_SUPPORTS_MIPS16
>> 2534 bool
>> 2535 help
>> 2536 This option must be set if a kernel might be executed on a MIPS16-
>> 2537 enabled CPU even if MIPS16 is not actually being used. In other
>> 2538 words, it makes the kernel MIPS16-tolerant.
>> 2539
>> 2540 config CPU_SUPPORTS_MSA
>> 2541 bool
762 2542
763 config ARCH_FLATMEM_ENABLE 2543 config ARCH_FLATMEM_ENABLE
764 def_bool y 2544 def_bool y
765 depends on (PPC64 && !NUMA) || PPC32 !! 2545 depends on !NUMA && !CPU_LOONGSON2
>> 2546
>> 2547 config ARCH_DISCONTIGMEM_ENABLE
>> 2548 bool
>> 2549 default y if SGI_IP27
>> 2550 help
>> 2551 Say Y to support efficient handling of discontiguous physical memory,
>> 2552 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2553 or have huge holes in the physical address space for other reasons.
>> 2554 See <file:Documentation/vm/numa> for more.
766 2555
767 config ARCH_SPARSEMEM_ENABLE 2556 config ARCH_SPARSEMEM_ENABLE
768 def_bool y !! 2557 bool
769 depends on PPC64 !! 2558 select SPARSEMEM_STATIC
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 2559
772 config ARCH_SPARSEMEM_DEFAULT !! 2560 config NUMA
773 def_bool y !! 2561 bool "NUMA Support"
774 depends on PPC_BOOK3S_64 !! 2562 depends on SYS_SUPPORTS_NUMA
>> 2563 help
>> 2564 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2565 Access). This option improves performance on systems with more
>> 2566 than two nodes; on two node systems it is generally better to
>> 2567 leave it disabled; on single node systems disable this option
>> 2568 disabled.
775 2569
776 config ILLEGAL_POINTER_VALUE !! 2570 config SYS_SUPPORTS_NUMA
777 hex !! 2571 bool
778 # This is roughly half way between the <<
779 # of kernel space, which seems about a <<
780 default 0x5deadbeef0000000 if PPC64 <<
781 default 0 <<
782 2572
783 config ARCH_MEMORY_PROBE !! 2573 config RELOCATABLE
784 def_bool y !! 2574 bool "Relocatable kernel"
785 depends on MEMORY_HOTPLUG !! 2575 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
>> 2576 help
>> 2577 This builds a kernel image that retains relocation information
>> 2578 so it can be loaded someplace besides the default 1MB.
>> 2579 The relocations make the kernel binary about 15% larger,
>> 2580 but are discarded at runtime
786 2581
787 choice !! 2582 config RELOCATION_TABLE_SIZE
788 prompt "Page size" !! 2583 hex "Relocation table size"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2584 depends on RELOCATABLE
790 default PPC_4K_PAGES !! 2585 range 0x0 0x01000000
791 help !! 2586 default "0x00100000"
792 Select the kernel logical page size. !! 2587 ---help---
793 will reduce software overhead at eac !! 2588 A table of relocation data will be appended to the kernel binary
794 hardware prefetch mechanisms to be m !! 2589 and parsed at boot to fix up the relocated kernel.
795 larger dma transfers increasing IO e <<
796 overhead. However the utilization of <<
797 For example, each cached file will u <<
798 page size to hold its contents and t <<
799 end of file and the end of page is w <<
800 <<
801 Some dedicated systems, such as soft <<
802 accelerated calculations, have shown <<
803 <<
804 If you configure a 64 bit kernel for <<
805 processor does not support them, the <<
806 them with 4k pages, loading them on <<
807 reduced software overhead and larger <<
808 For the 32 bit kernel, a large page <<
809 unless it is supported by the config <<
810 <<
811 If unsure, choose 4K_PAGES. <<
812 <<
813 config PPC_4K_PAGES <<
814 bool "4k page size" <<
815 select HAVE_ARCH_SOFT_DIRTY if PPC_BOO <<
816 select HAVE_PAGE_SIZE_4KB <<
817 <<
818 config PPC_16K_PAGES <<
819 bool "16k page size" <<
820 depends on 44x || PPC_8xx <<
821 select HAVE_PAGE_SIZE_16KB <<
822 <<
823 config PPC_64K_PAGES <<
824 bool "64k page size" <<
825 depends on 44x || PPC_BOOK3S_64 <<
826 select HAVE_ARCH_SOFT_DIRTY if PPC_BOO <<
827 select HAVE_PAGE_SIZE_64KB <<
828 <<
829 config PPC_256K_PAGES <<
830 bool "256k page size (Requires non-sta <<
831 depends on 44x && !PPC_47x <<
832 select HAVE_PAGE_SIZE_256KB <<
833 help <<
834 Make the page size 256k. <<
835 <<
836 The kernel will only be able to run <<
837 compiled with '-zmax-page-size' set <<
838 binutils later than 2.17.50.0.3, or <<
839 definition from 0x10000 to 0x40000 i <<
840 2590
841 endchoice !! 2591 This option allows the amount of space reserved for the table to be
>> 2592 adjusted, although the default of 1Mb should be ok in most cases.
842 2593
843 config THREAD_SHIFT !! 2594 The build will fail and a valid size suggested if this is too small.
844 int "Thread shift" if EXPERT <<
845 range 13 15 <<
846 default "15" if PPC_256K_PAGES <<
847 default "15" if PPC_PSERIES || PPC_POW <<
848 default "14" if PPC64 <<
849 default "13" <<
850 help <<
851 Used to define the stack size. The d <<
852 want. Only change this if you know w <<
853 <<
854 config DATA_SHIFT_BOOL <<
855 bool "Set custom data alignment" <<
856 depends on ADVANCED_OPTIONS <<
857 depends on STRICT_KERNEL_RWX || DEBUG_ <<
858 depends on (PPC_8xx && !PIN_TLB_DATA & <<
859 PPC_BOOK3S_32 || PPC_85xx <<
860 help <<
861 This option allows you to set the ke <<
862 RAM is mapped by blocks, the alignme <<
863 number of possible blocks. The defau <<
864 <<
865 Say N here unless you know what you <<
866 <<
867 config DATA_SHIFT <<
868 int "Data shift" if DATA_SHIFT_BOOL <<
869 default 24 if STRICT_KERNEL_RWX && PPC <<
870 range 17 28 if (STRICT_KERNEL_RWX || D <<
871 range 19 23 if (STRICT_KERNEL_RWX || D <<
872 range 20 24 if (STRICT_KERNEL_RWX || D <<
873 default 22 if STRICT_KERNEL_RWX && PPC <<
874 default 18 if (DEBUG_PAGEALLOC || KFEN <<
875 default 23 if (STRICT_KERNEL_RWX || DE <<
876 (PIN_TLB_DATA || PIN_TLB <<
877 default 19 if (STRICT_KERNEL_RWX || DE <<
878 default 24 if STRICT_KERNEL_RWX && PPC <<
879 default PAGE_SHIFT <<
880 help <<
881 On Book3S 32 (603+), DBATs are used <<
882 Smaller is the alignment, greater is <<
883 <<
884 On 8xx, large pages (512kb or 8M) ar <<
885 memory. Aligning to 8M reduces TLB m <<
886 in that case. If PIN_TLB is selected <<
887 8M pages will be pinned. <<
888 <<
889 config ARCH_FORCE_MAX_ORDER <<
890 int "Order of maximal physically conti <<
891 range 7 8 if PPC64 && PPC_64K_PAGES <<
892 default "8" if PPC64 && PPC_64K_PAGES <<
893 range 12 12 if PPC64 && !PPC_64K_PAGES <<
894 default "12" if PPC64 && !PPC_64K_PAGE <<
895 range 8 10 if PPC32 && PPC_16K_PAGES <<
896 default "8" if PPC32 && PPC_16K_PAGES <<
897 range 6 10 if PPC32 && PPC_64K_PAGES <<
898 default "6" if PPC32 && PPC_64K_PAGES <<
899 range 4 10 if PPC32 && PPC_256K_PAGES <<
900 default "4" if PPC32 && PPC_256K_PAGES <<
901 range 10 12 <<
902 default "10" <<
903 help <<
904 The kernel page allocator limits the <<
905 contiguous allocations. The limit is <<
906 defines the maximal power of two of <<
907 allocated as a single contiguous blo <<
908 overriding the default setting when <<
909 large blocks of physically contiguou <<
910 <<
911 The page size is not necessarily 4KB <<
912 systems, 64KB pages can be enabled v <<
913 this in mind when choosing a value f <<
914 2595
915 Don't change if unsure. !! 2596 If unsure, leave at the default value.
916 2597
917 config PPC_SUBPAGE_PROT !! 2598 config RANDOMIZE_BASE
918 bool "Support setting protections for !! 2599 bool "Randomize the address of the kernel image"
919 default n !! 2600 depends on RELOCATABLE
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2601 ---help---
>> 2602 Randomizes the physical and virtual address at which the
>> 2603 kernel image is loaded, as a security feature that
>> 2604 deters exploit attempts relying on knowledge of the location
>> 2605 of kernel internals.
>> 2606
>> 2607 Entropy is generated using any coprocessor 0 registers available.
>> 2608
>> 2609 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2610
>> 2611 If unsure, say N.
>> 2612
>> 2613 config RANDOMIZE_BASE_MAX_OFFSET
>> 2614 hex "Maximum kASLR offset" if EXPERT
>> 2615 depends on RANDOMIZE_BASE
>> 2616 range 0x0 0x40000000 if EVA || 64BIT
>> 2617 range 0x0 0x08000000
>> 2618 default "0x01000000"
>> 2619 ---help---
>> 2620 When kASLR is active, this provides the maximum offset that will
>> 2621 be applied to the kernel image. It should be set according to the
>> 2622 amount of physical RAM available in the target system minus
>> 2623 PHYSICAL_START and must be a power of 2.
>> 2624
>> 2625 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2626 EVA or 64-bit. The default is 16Mb.
>> 2627
>> 2628 config NODES_SHIFT
>> 2629 int
>> 2630 default "6"
>> 2631 depends on NEED_MULTIPLE_NODES
>> 2632
>> 2633 config HW_PERF_EVENTS
>> 2634 bool "Enable hardware performance counter support for perf events"
>> 2635 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
>> 2636 default y
921 help 2637 help
922 This option adds support for system !! 2638 Enable hardware performance counter support for perf events. If
923 to set access permissions (read/writ !! 2639 disabled, perf events will use software events only.
924 on the 4k subpages of each 64k page. <<
925 2640
926 If unsure, say N here. !! 2641 source "mm/Kconfig"
927 2642
928 config PPC_PROT_SAO_LPAR !! 2643 config SMP
929 bool "Support PROT_SAO mappings in LPA !! 2644 bool "Multi-Processing support"
930 depends on PPC_BOOK3S_64 !! 2645 depends on SYS_SUPPORTS_SMP
931 help 2646 help
932 This option adds support for PROT_SA !! 2647 This enables support for systems with more than one CPU. If you have
933 inside LPARs on supported CPUs. !! 2648 a system with only one CPU, say N. If you have a system with more
>> 2649 than one CPU, say Y.
934 2650
935 This may cause issues when performin !! 2651 If you say N here, the kernel will run on uni- and multiprocessor
936 a CPU that supports SAO to one that !! 2652 machines, but will use only one CPU of a multiprocessor machine. If
>> 2653 you say Y here, the kernel will run on many, but not all,
>> 2654 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2655 will run faster if you say N here.
937 2656
938 If unsure, say N here. !! 2657 People using multiprocessor machines who say Y here should also say
>> 2658 Y to "Enhanced Real Time Clock Support", below.
939 2659
940 config PPC_COPRO_BASE !! 2660 See also the SMP-HOWTO available at
941 bool !! 2661 <http://www.tldp.org/docs.html#howto>.
942 2662
943 config SCHED_SMT !! 2663 If you don't know what to do here, say N.
944 bool "SMT (Hyperthreading) scheduler s !! 2664
945 depends on PPC64 && SMP !! 2665 config HOTPLUG_CPU
>> 2666 bool "Support for hot-pluggable CPUs"
>> 2667 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
946 help 2668 help
947 SMT scheduler support improves the C !! 2669 Say Y here to allow turning CPUs off and on. CPUs can be
948 when dealing with POWER5 cpus at a c !! 2670 controlled through /sys/devices/system/cpu.
949 overhead in some places. If unsure s !! 2671 (Note: power management support will enable this option
>> 2672 automatically on SMP systems. )
>> 2673 Say N if you want to disable CPU hotplug.
950 2674
951 config PPC_DENORMALISATION !! 2675 config SMP_UP
952 bool "PowerPC denormalisation exceptio !! 2676 bool
953 depends on PPC_BOOK3S_64 !! 2677
954 default "y" if PPC_POWERNV !! 2678 config SYS_SUPPORTS_MIPS_CMP
955 help !! 2679 bool
956 Add support for handling denormalisa !! 2680
957 values. Useful for bare metal only. !! 2681 config SYS_SUPPORTS_MIPS_CPS
958 !! 2682 bool
959 config CMDLINE !! 2683
960 string "Initial kernel command string" !! 2684 config SYS_SUPPORTS_SMP
961 default "" !! 2685 bool
962 help !! 2686
963 On some platforms, there is currentl !! 2687 config NR_CPUS_DEFAULT_4
964 pass arguments to the kernel. For th !! 2688 bool
965 some command-line options at build t !! 2689
966 most cases you will need to specify !! 2690 config NR_CPUS_DEFAULT_8
>> 2691 bool
>> 2692
>> 2693 config NR_CPUS_DEFAULT_16
>> 2694 bool
>> 2695
>> 2696 config NR_CPUS_DEFAULT_32
>> 2697 bool
>> 2698
>> 2699 config NR_CPUS_DEFAULT_64
>> 2700 bool
>> 2701
>> 2702 config NR_CPUS
>> 2703 int "Maximum number of CPUs (2-256)"
>> 2704 range 2 256
>> 2705 depends on SMP
>> 2706 default "4" if NR_CPUS_DEFAULT_4
>> 2707 default "8" if NR_CPUS_DEFAULT_8
>> 2708 default "16" if NR_CPUS_DEFAULT_16
>> 2709 default "32" if NR_CPUS_DEFAULT_32
>> 2710 default "64" if NR_CPUS_DEFAULT_64
>> 2711 help
>> 2712 This allows you to specify the maximum number of CPUs which this
>> 2713 kernel will support. The maximum supported value is 32 for 32-bit
>> 2714 kernel and 64 for 64-bit kernels; the minimum value which makes
>> 2715 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2716 and 2 for all others.
>> 2717
>> 2718 This is purely to save memory - each supported CPU adds
>> 2719 approximately eight kilobytes to the kernel image. For best
>> 2720 performance should round up your number of processors to the next
>> 2721 power of two.
>> 2722
>> 2723 config MIPS_PERF_SHARED_TC_COUNTERS
>> 2724 bool
>> 2725
>> 2726 #
>> 2727 # Timer Interrupt Frequency Configuration
>> 2728 #
967 2729
968 choice 2730 choice
969 prompt "Kernel command line type" !! 2731 prompt "Timer frequency"
970 depends on CMDLINE != "" !! 2732 default HZ_250
971 default CMDLINE_FROM_BOOTLOADER !! 2733 help
972 !! 2734 Allows the configuration of the timer frequency.
973 config CMDLINE_FROM_BOOTLOADER !! 2735
974 bool "Use bootloader kernel arguments !! 2736 config HZ_24
975 help !! 2737 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
976 Uses the command-line options passed !! 2738
977 the boot loader doesn't provide any, !! 2739 config HZ_48
978 string provided in CMDLINE will be u !! 2740 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
979 !! 2741
980 config CMDLINE_EXTEND !! 2742 config HZ_100
981 bool "Extend bootloader kernel argumen !! 2743 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
982 help !! 2744
983 The command-line arguments provided !! 2745 config HZ_128
984 appended to the default kernel comma !! 2746 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
985 !! 2747
986 config CMDLINE_FORCE !! 2748 config HZ_250
987 bool "Always use the default kernel co !! 2749 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
988 help !! 2750
989 Always use the default kernel comman !! 2751 config HZ_256
990 loader passes other arguments to the !! 2752 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
991 This is useful if you cannot or don' !! 2753
992 command-line options your boot loade !! 2754 config HZ_1000
>> 2755 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2756
>> 2757 config HZ_1024
>> 2758 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
993 2759
994 endchoice 2760 endchoice
995 2761
996 config EXTRA_TARGETS !! 2762 config SYS_SUPPORTS_24HZ
997 string "Additional default image types !! 2763 bool
998 help <<
999 List additional targets to be built <<
1000 by spaces). This is useful for tar <<
1001 files in the .dts directory. <<
1002 2764
1003 Targets in this list will be build !! 2765 config SYS_SUPPORTS_48HZ
1004 target, or when the user does a 'ma !! 2766 bool
1005 'make zImage.initrd'. <<
1006 2767
1007 If unsure, leave blank !! 2768 config SYS_SUPPORTS_100HZ
>> 2769 bool
1008 2770
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2771 config SYS_SUPPORTS_128HZ
1010 def_bool y !! 2772 bool
1011 depends on ADB_PMU <<
1012 2773
1013 source "kernel/power/Kconfig" !! 2774 config SYS_SUPPORTS_250HZ
>> 2775 bool
1014 2776
1015 config PPC_MEM_KEYS !! 2777 config SYS_SUPPORTS_256HZ
1016 prompt "PowerPC Memory Protection Key !! 2778 bool
1017 def_bool y !! 2779
1018 depends on PPC_BOOK3S_64 !! 2780 config SYS_SUPPORTS_1000HZ
1019 depends on PPC_64S_HASH_MMU !! 2781 bool
1020 select ARCH_USES_HIGH_VMA_FLAGS <<
1021 select ARCH_HAS_PKEYS <<
1022 help <<
1023 Memory Protection Keys provides a m <<
1024 page-based protections, but without <<
1025 page tables when an application cha <<
1026 2782
1027 For details, see Documentation/core !! 2783 config SYS_SUPPORTS_1024HZ
>> 2784 bool
1028 2785
1029 If unsure, say y. !! 2786 config SYS_SUPPORTS_ARBIT_HZ
>> 2787 bool
>> 2788 default y if !SYS_SUPPORTS_24HZ && \
>> 2789 !SYS_SUPPORTS_48HZ && \
>> 2790 !SYS_SUPPORTS_100HZ && \
>> 2791 !SYS_SUPPORTS_128HZ && \
>> 2792 !SYS_SUPPORTS_250HZ && \
>> 2793 !SYS_SUPPORTS_256HZ && \
>> 2794 !SYS_SUPPORTS_1000HZ && \
>> 2795 !SYS_SUPPORTS_1024HZ
1030 2796
1031 config ARCH_PKEY_BITS !! 2797 config HZ
1032 int 2798 int
1033 default 5 !! 2799 default 24 if HZ_24
>> 2800 default 48 if HZ_48
>> 2801 default 100 if HZ_100
>> 2802 default 128 if HZ_128
>> 2803 default 250 if HZ_250
>> 2804 default 256 if HZ_256
>> 2805 default 1000 if HZ_1000
>> 2806 default 1024 if HZ_1024
>> 2807
>> 2808 config SCHED_HRTICK
>> 2809 def_bool HIGH_RES_TIMERS
>> 2810
>> 2811 source "kernel/Kconfig.preempt"
>> 2812
>> 2813 config KEXEC
>> 2814 bool "Kexec system call"
>> 2815 select KEXEC_CORE
>> 2816 help
>> 2817 kexec is a system call that implements the ability to shutdown your
>> 2818 current kernel, and to start another kernel. It is like a reboot
>> 2819 but it is independent of the system firmware. And like a reboot
>> 2820 you can start any kernel with it, not just Linux.
>> 2821
>> 2822 The name comes from the similarity to the exec system call.
>> 2823
>> 2824 It is an ongoing process to be certain the hardware in a machine
>> 2825 is properly shutdown, so do not be surprised if this code does not
>> 2826 initially work for you. As of this writing the exact hardware
>> 2827 interface is strongly in flux, so no good recommendation can be
>> 2828 made.
>> 2829
>> 2830 config CRASH_DUMP
>> 2831 bool "Kernel crash dumps"
>> 2832 help
>> 2833 Generate crash dump after being started by kexec.
>> 2834 This should be normally only set in special crash dump kernels
>> 2835 which are loaded in the main kernel with kexec-tools into
>> 2836 a specially reserved region and then later executed after
>> 2837 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2838 to a memory address not used by the main kernel or firmware using
>> 2839 PHYSICAL_START.
>> 2840
>> 2841 config PHYSICAL_START
>> 2842 hex "Physical address where the kernel is loaded"
>> 2843 default "0xffffffff84000000" if 64BIT
>> 2844 default "0x84000000" if 32BIT
>> 2845 depends on CRASH_DUMP
>> 2846 help
>> 2847 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
>> 2848 If you plan to use kernel for capturing the crash dump change
>> 2849 this value to start of the reserved region (the "X" value as
>> 2850 specified in the "crashkernel=YM@XM" command line boot parameter
>> 2851 passed to the panic-ed kernel).
>> 2852
>> 2853 config SECCOMP
>> 2854 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2855 depends on PROC_FS
>> 2856 default y
>> 2857 help
>> 2858 This kernel feature is useful for number crunching applications
>> 2859 that may need to compute untrusted bytecode during their
>> 2860 execution. By using pipes or other transports made available to
>> 2861 the process as file descriptors supporting the read/write
>> 2862 syscalls, it's possible to isolate those applications in
>> 2863 their own address space using seccomp. Once seccomp is
>> 2864 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2865 and the task is only allowed to execute a few safe syscalls
>> 2866 defined by each seccomp mode.
>> 2867
>> 2868 If unsure, say Y. Only embedded should say N here.
>> 2869
>> 2870 config MIPS_O32_FP64_SUPPORT
>> 2871 bool "Support for O32 binaries using 64-bit FP"
>> 2872 depends on 32BIT || MIPS32_O32
>> 2873 help
>> 2874 When this is enabled, the kernel will support use of 64-bit floating
>> 2875 point registers with binaries using the O32 ABI along with the
>> 2876 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 2877 32-bit MIPS systems this support is at the cost of increasing the
>> 2878 size and complexity of the compiled FPU emulator. Thus if you are
>> 2879 running a MIPS32 system and know that none of your userland binaries
>> 2880 will require 64-bit floating point, you may wish to reduce the size
>> 2881 of your kernel & potentially improve FP emulation performance by
>> 2882 saying N here.
>> 2883
>> 2884 Although binutils currently supports use of this flag the details
>> 2885 concerning its effect upon the O32 ABI in userland are still being
>> 2886 worked on. In order to avoid userland becoming dependant upon current
>> 2887 behaviour before the details have been finalised, this option should
>> 2888 be considered experimental and only enabled by those working upon
>> 2889 said details.
>> 2890
>> 2891 If unsure, say N.
1034 2892
1035 config PPC_SECURE_BOOT !! 2893 config USE_OF
1036 prompt "Enable secure boot support" <<
1037 bool 2894 bool
1038 depends on PPC_POWERNV || PPC_PSERIES !! 2895 select OF
1039 depends on IMA_ARCH_POLICY !! 2896 select OF_EARLY_FLATTREE
1040 imply IMA_SECURE_AND_OR_TRUSTED_BOOT !! 2897 select IRQ_DOMAIN
1041 select PSERIES_PLPKS if PPC_PSERIES !! 2898
1042 help !! 2899 config BUILTIN_DTB
1043 Systems with firmware secure boot e !! 2900 bool
1044 policies to extend secure boot to t !! 2901
1045 to enable OS secure boot on systems !! 2902 choice
1046 it. If in doubt say N. !! 2903 prompt "Kernel appended dtb support" if USE_OF
1047 !! 2904 default MIPS_NO_APPENDED_DTB
1048 config PPC_SECVAR_SYSFS !! 2905
1049 bool "Enable sysfs interface for POWE !! 2906 config MIPS_NO_APPENDED_DTB
1050 default y !! 2907 bool "None"
1051 depends on PPC_SECURE_BOOT !! 2908 help
1052 depends on SYSFS !! 2909 Do not enable appended dtb support.
1053 help !! 2910
1054 POWER secure variables are managed !! 2911 config MIPS_ELF_APPENDED_DTB
1055 These variables are exposed to user !! 2912 bool "vmlinux"
1056 read/write operations on these vari !! 2913 help
1057 secure boot enabled and want to exp !! 2914 With this option, the boot code will look for a device tree binary
>> 2915 DTB) included in the vmlinux ELF section .appended_dtb. By default
>> 2916 it is empty and the DTB can be appended using binutils command
>> 2917 objcopy:
>> 2918
>> 2919 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
>> 2920
>> 2921 This is meant as a backward compatiblity convenience for those
>> 2922 systems with a bootloader that can't be upgraded to accommodate
>> 2923 the documented boot protocol using a device tree.
>> 2924
>> 2925 config MIPS_RAW_APPENDED_DTB
>> 2926 bool "vmlinux.bin or vmlinuz.bin"
>> 2927 help
>> 2928 With this option, the boot code will look for a device tree binary
>> 2929 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 2930 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 2931
>> 2932 This is meant as a backward compatibility convenience for those
>> 2933 systems with a bootloader that can't be upgraded to accommodate
>> 2934 the documented boot protocol using a device tree.
>> 2935
>> 2936 Beware that there is very little in terms of protection against
>> 2937 this option being confused by leftover garbage in memory that might
>> 2938 look like a DTB header after a reboot if no actual DTB is appended
>> 2939 to vmlinux.bin. Do not leave this option active in a production kernel
>> 2940 if you don't intend to always append a DTB.
>> 2941 endchoice
>> 2942
>> 2943 choice
>> 2944 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 2945 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 2946 !MIPS_MALTA && \
>> 2947 !CAVIUM_OCTEON_SOC
>> 2948 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 2949
>> 2950 config MIPS_CMDLINE_FROM_DTB
>> 2951 depends on USE_OF
>> 2952 bool "Dtb kernel arguments if available"
>> 2953
>> 2954 config MIPS_CMDLINE_DTB_EXTEND
>> 2955 depends on USE_OF
>> 2956 bool "Extend dtb kernel arguments with bootloader arguments"
>> 2957
>> 2958 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 2959 bool "Bootloader kernel arguments if available"
>> 2960
>> 2961 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 2962 depends on CMDLINE_BOOL
>> 2963 bool "Extend builtin kernel arguments with bootloader arguments"
>> 2964 endchoice
1058 2965
1059 endmenu 2966 endmenu
1060 2967
1061 config ISA_DMA_API !! 2968 config LOCKDEP_SUPPORT
1062 bool 2969 bool
1063 default PCI !! 2970 default y
1064 2971
1065 menu "Bus options" !! 2972 config STACKTRACE_SUPPORT
>> 2973 bool
>> 2974 default y
1066 2975
1067 config ISA !! 2976 config HAVE_LATENCYTOP_SUPPORT
1068 bool "Support for ISA-bus hardware" !! 2977 bool
1069 depends on PPC_CHRP !! 2978 default y
1070 select PPC_I8259 <<
1071 help <<
1072 Find out whether you have ISA slots <<
1073 name of a bus system, i.e. the way <<
1074 inside your box. If you have an Ap <<
1075 have an IBM RS/6000 or pSeries mach <<
1076 embedded board, consult your board <<
1077 2979
1078 config GENERIC_ISA_DMA !! 2980 config PGTABLE_LEVELS
>> 2981 int
>> 2982 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 2983 default 3 if 64BIT && !PAGE_SIZE_64KB
>> 2984 default 2
>> 2985
>> 2986 source "init/Kconfig"
>> 2987
>> 2988 source "kernel/Kconfig.freezer"
>> 2989
>> 2990 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 2991
>> 2992 config HW_HAS_EISA
>> 2993 bool
>> 2994 config HW_HAS_PCI
1079 bool 2995 bool
1080 depends on ISA_DMA_API !! 2996
>> 2997 config PCI
>> 2998 bool "Support for PCI controller"
>> 2999 depends on HW_HAS_PCI
>> 3000 select PCI_DOMAINS
>> 3001 help
>> 3002 Find out whether you have a PCI motherboard. PCI is the name of a
>> 3003 bus system, i.e. the way the CPU talks to the other stuff inside
>> 3004 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
>> 3005 say Y, otherwise N.
>> 3006
>> 3007 config HT_PCI
>> 3008 bool "Support for HT-linked PCI"
1081 default y 3009 default y
>> 3010 depends on CPU_LOONGSON3
>> 3011 select PCI
>> 3012 select PCI_DOMAINS
>> 3013 help
>> 3014 Loongson family machines use Hyper-Transport bus for inter-core
>> 3015 connection and device connection. The PCI bus is a subordinate
>> 3016 linked at HT. Choose Y for Loongson-3 based machines.
1082 3017
1083 config PPC_INDIRECT_PCI !! 3018 config PCI_DOMAINS
1084 bool 3019 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 3020
1088 config SBUS !! 3021 config PCI_DOMAINS_GENERIC
1089 bool 3022 bool
1090 3023
1091 config FSL_SOC !! 3024 config PCI_DRIVERS_GENERIC
>> 3025 select PCI_DOMAINS_GENERIC if PCI_DOMAINS
1092 bool 3026 bool
1093 3027
1094 config FSL_PCI !! 3028 config PCI_DRIVERS_LEGACY
>> 3029 def_bool !PCI_DRIVERS_GENERIC
>> 3030 select NO_GENERIC_PCI_IOPORT_MAP
>> 3031
>> 3032 source "drivers/pci/Kconfig"
>> 3033
>> 3034 #
>> 3035 # ISA support is now enabled via select. Too many systems still have the one
>> 3036 # or other ISA chip on the board that users don't know about so don't expect
>> 3037 # users to choose the right thing ...
>> 3038 #
>> 3039 config ISA
1095 bool 3040 bool
1096 select ARCH_HAS_DMA_SET_MASK <<
1097 select PPC_INDIRECT_PCI <<
1098 select PCI_QUIRKS <<
1099 3041
1100 config FSL_PMC !! 3042 config EISA
>> 3043 bool "EISA support"
>> 3044 depends on HW_HAS_EISA
>> 3045 select ISA
>> 3046 select GENERIC_ISA_DMA
>> 3047 ---help---
>> 3048 The Extended Industry Standard Architecture (EISA) bus was
>> 3049 developed as an open alternative to the IBM MicroChannel bus.
>> 3050
>> 3051 The EISA bus provided some of the features of the IBM MicroChannel
>> 3052 bus while maintaining backward compatibility with cards made for
>> 3053 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 3054 1995 when it was made obsolete by the PCI bus.
>> 3055
>> 3056 Say Y here if you are building a kernel for an EISA-based machine.
>> 3057
>> 3058 Otherwise, say N.
>> 3059
>> 3060 source "drivers/eisa/Kconfig"
>> 3061
>> 3062 config TC
>> 3063 bool "TURBOchannel support"
>> 3064 depends on MACH_DECSTATION
>> 3065 help
>> 3066 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3067 processors. TURBOchannel programming specifications are available
>> 3068 at:
>> 3069 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3070 and:
>> 3071 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3072 Linux driver support status is documented at:
>> 3073 <http://www.linux-mips.org/wiki/DECstation>
>> 3074
>> 3075 config MMU
1101 bool 3076 bool
1102 default y 3077 default y
1103 depends on SUSPEND && (PPC_85xx || PP <<
1104 help <<
1105 Freescale MPC85xx/MPC86xx power man <<
1106 (suspend/resume). For MPC83xx see p <<
1107 3078
1108 config PPC4xx_CPM !! 3079 config ARCH_MMAP_RND_BITS_MIN
>> 3080 default 12 if 64BIT
>> 3081 default 8
>> 3082
>> 3083 config ARCH_MMAP_RND_BITS_MAX
>> 3084 default 18 if 64BIT
>> 3085 default 15
>> 3086
>> 3087 config ARCH_MMAP_RND_COMPAT_BITS_MIN
>> 3088 default 8
>> 3089
>> 3090 config ARCH_MMAP_RND_COMPAT_BITS_MAX
>> 3091 default 15
>> 3092
>> 3093 config I8253
1109 bool 3094 bool
1110 default y !! 3095 select CLKSRC_I8253
1111 depends on SUSPEND && 44x !! 3096 select CLKEVT_I8253
1112 help !! 3097 select MIPS_EXTERNAL_TIMER
1113 PPC4xx Clock Power Management (CPM) <<
1114 It also enables support for two dif <<
1115 and idle-doze). <<
1116 3098
1117 config FSL_LBC !! 3099 config ZONE_DMA
1118 bool "Freescale Local Bus support" !! 3100 bool
1119 help <<
1120 Enables reporting of errors from th <<
1121 controller. Also contains some com <<
1122 drivers for specific local bus peri <<
1123 3101
1124 config FSL_GTM !! 3102 config ZONE_DMA32
1125 bool 3103 bool
1126 depends on PPC_83xx || QUICC_ENGINE | <<
1127 help <<
1128 Freescale General-purpose Timers su <<
1129 3104
1130 config FSL_RIO !! 3105 source "drivers/pcmcia/Kconfig"
1131 bool "Freescale Embedded SRIO Control !! 3106
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 3107 config RAPIDIO
1133 default "n" !! 3108 tristate "RapidIO support"
>> 3109 depends on PCI
>> 3110 default n
1134 help 3111 help
1135 Include support for RapidIO control !! 3112 If you say Y here, the kernel will include drivers and
1136 processors (MPC8548, MPC8641, etc). !! 3113 infrastructure code to support RapidIO interconnect devices.
>> 3114
>> 3115 source "drivers/rapidio/Kconfig"
1137 3116
1138 endmenu 3117 endmenu
1139 3118
1140 config NONSTATIC_KERNEL !! 3119 menu "Executable file formats"
>> 3120
>> 3121 source "fs/Kconfig.binfmt"
>> 3122
>> 3123 config TRAD_SIGNALS
1141 bool 3124 bool
1142 3125
1143 menu "Advanced setup" !! 3126 config MIPS32_COMPAT
1144 depends on PPC32 !! 3127 bool
1145 3128
1146 config ADVANCED_OPTIONS !! 3129 config COMPAT
1147 bool "Prompt for advanced kernel conf !! 3130 bool
1148 help <<
1149 This option will enable prompting f <<
1150 configuration options. These optio <<
1151 work if they are set incorrectly, b <<
1152 aspects of kernel memory management <<
1153 3131
1154 Unless you know what you are doing, !! 3132 config SYSVIPC_COMPAT
>> 3133 bool
1155 3134
1156 comment "Default settings for advanced config !! 3135 config MIPS32_O32
1157 depends on !ADVANCED_OPTIONS !! 3136 bool "Kernel support for o32 binaries"
>> 3137 depends on 64BIT
>> 3138 select ARCH_WANT_OLD_COMPAT_IPC
>> 3139 select COMPAT
>> 3140 select MIPS32_COMPAT
>> 3141 select SYSVIPC_COMPAT if SYSVIPC
>> 3142 help
>> 3143 Select this option if you want to run o32 binaries. These are pure
>> 3144 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
>> 3145 existing binaries are in this format.
1158 3146
1159 config LOWMEM_SIZE_BOOL !! 3147 If unsure, say Y.
1160 bool "Set maximum low memory" <<
1161 depends on ADVANCED_OPTIONS <<
1162 help <<
1163 This option allows you to set the m <<
1164 will be used as "low memory", that <<
1165 access directly, without having to <<
1166 This can be useful in optimizing th <<
1167 memory. <<
1168 3148
1169 Say N here unless you know what you !! 3149 config MIPS32_N32
>> 3150 bool "Kernel support for n32 binaries"
>> 3151 depends on 64BIT
>> 3152 select COMPAT
>> 3153 select MIPS32_COMPAT
>> 3154 select SYSVIPC_COMPAT if SYSVIPC
>> 3155 help
>> 3156 Select this option if you want to run n32 binaries. These are
>> 3157 64-bit binaries using 32-bit quantities for addressing and certain
>> 3158 data that would normally be 64-bit. They are used in special
>> 3159 cases.
1170 3160
1171 config LOWMEM_SIZE !! 3161 If unsure, say N.
1172 hex "Maximum low memory size (in byte <<
1173 default "0x30000000" <<
1174 3162
1175 config LOWMEM_CAM_NUM_BOOL !! 3163 config BINFMT_ELF32
1176 bool "Set number of CAMs to use to ma !! 3164 bool
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 3165 default y if MIPS32_O32 || MIPS32_N32
1178 help !! 3166 select ELFCORE
1179 This option allows you to set the m <<
1180 will be used to map low memory. Th <<
1181 available and even more limited num <<
1182 However, using more entries will al <<
1183 can be useful in optimizing the lay <<
1184 3167
1185 Say N here unless you know what you !! 3168 endmenu
1186 3169
1187 config LOWMEM_CAM_NUM !! 3170 menu "Power management options"
1188 depends on PPC_85xx <<
1189 int "Number of CAMs to use to map low <<
1190 default 3 if !STRICT_KERNEL_RWX <<
1191 default 9 if DATA_SHIFT >= 24 <<
1192 default 12 if DATA_SHIFT >= 22 <<
1193 default 15 <<
1194 3171
1195 config DYNAMIC_MEMSTART !! 3172 config ARCH_HIBERNATION_POSSIBLE
1196 bool "Enable page aligned dynamic loa !! 3173 def_bool y
1197 depends on ADVANCED_OPTIONS && FLATME !! 3174 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
1198 select NONSTATIC_KERNEL <<
1199 help <<
1200 This option enables the kernel to b <<
1201 physical address. The kernel create <<
1202 the address where the kernel is loa <<
1203 the TLB page size of the mapping fo <<
1204 Please refer to the init code for f <<
1205 <<
1206 DYNAMIC_MEMSTART is an easy way of <<
1207 kernel image, where the only restri <<
1208 load address. When this option is e <<
1209 address CONFIG_PHYSICAL_START is ig <<
1210 <<
1211 This option is overridden by CONFIG <<
1212 <<
1213 config PAGE_OFFSET_BOOL <<
1214 bool "Set custom page offset address" <<
1215 depends on ADVANCED_OPTIONS <<
1216 help <<
1217 This option allows you to set the k <<
1218 the kernel will map low memory. Th <<
1219 the virtual memory layout of the sy <<
1220 <<
1221 Say N here unless you know what you <<
1222 <<
1223 config PAGE_OFFSET <<
1224 hex "Virtual address of memory base" <<
1225 default "0xc0000000" <<
1226 <<
1227 config KERNEL_START_BOOL <<
1228 bool "Set custom kernel base address" <<
1229 depends on ADVANCED_OPTIONS <<
1230 help <<
1231 This option allows you to set the k <<
1232 the kernel will be loaded. Normall <<
1233 however there are times (like kdump <<
1234 to be the same. <<
1235 <<
1236 Say N here unless you know what you <<
1237 <<
1238 config KERNEL_START <<
1239 hex "Virtual address of kernel base" <<
1240 default PAGE_OFFSET if PAGE_OFFSET_BO <<
1241 default "0xc2000000" if CRASH_DUMP && <<
1242 default "0xc0000000" <<
1243 <<
1244 config PHYSICAL_START_BOOL <<
1245 bool "Set physical address where the <<
1246 depends on ADVANCED_OPTIONS && FLATME <<
1247 help <<
1248 This gives the physical address whe <<
1249 3175
1250 Say N here unless you know what you !! 3176 config ARCH_SUSPEND_POSSIBLE
>> 3177 def_bool y
>> 3178 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
1251 3179
1252 config PHYSICAL_START !! 3180 source "kernel/power/Kconfig"
1253 hex "Physical address where the kerne <<
1254 default "0x02000000" if PPC_BOOK3S && <<
1255 default "0x00000000" <<
1256 <<
1257 config PHYSICAL_ALIGN <<
1258 hex <<
1259 default "0x04000000" if PPC_85xx <<
1260 help <<
1261 This value puts the alignment restr <<
1262 where kernel is loaded and run from <<
1263 address which meets above alignment <<
1264 <<
1265 config TASK_SIZE_BOOL <<
1266 bool "Set custom user task size" <<
1267 depends on ADVANCED_OPTIONS <<
1268 help <<
1269 This option allows you to set the a <<
1270 allocated to user tasks. This can <<
1271 virtual memory layout of the system <<
1272 <<
1273 Say N here unless you know what you <<
1274 <<
1275 config TASK_SIZE <<
1276 hex "Size of user task space" if TASK <<
1277 default "0x80000000" if PPC_8xx <<
1278 default "0xb0000000" if PPC_BOOK3S_32 <<
1279 default "0xc0000000" <<
1280 <<
1281 config MODULES_SIZE_BOOL <<
1282 bool "Set custom size for modules/exe <<
1283 depends on EXECMEM && ADVANCED_OPTION <<
1284 help <<
1285 This option allows you to set the s <<
1286 space dedicated for modules/execmem <<
1287 For the time being it is only for 8 <<
1288 platform share it with vmalloc spac <<
1289 <<
1290 Say N here unless you know what you <<
1291 <<
1292 config MODULES_SIZE <<
1293 int "Size of modules/execmem area (In <<
1294 range 1 256 if EXECMEM <<
1295 default 64 if EXECMEM && PPC_BOOK3S_3 <<
1296 default 32 if EXECMEM && PPC_8xx <<
1297 default 0 <<
1298 3181
1299 endmenu 3182 endmenu
1300 3183
1301 if PPC64 !! 3184 config MIPS_EXTERNAL_TIMER
1302 # This value must have zeroes in the bottom 6 !! 3185 bool
1303 config PAGE_OFFSET !! 3186
1304 hex !! 3187 menu "CPU Power Management"
1305 default "0xc000000000000000" !! 3188
1306 config KERNEL_START !! 3189 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
1307 hex !! 3190 source "drivers/cpufreq/Kconfig"
1308 default "0xc000000000000000" <<
1309 config PHYSICAL_START <<
1310 hex <<
1311 default "0x00000000" <<
1312 endif 3191 endif
1313 3192
1314 config PPC_LIB_RHEAP !! 3193 source "drivers/cpuidle/Kconfig"
1315 bool !! 3194
>> 3195 endmenu
>> 3196
>> 3197 source "net/Kconfig"
>> 3198
>> 3199 source "drivers/Kconfig"
>> 3200
>> 3201 source "drivers/firmware/Kconfig"
>> 3202
>> 3203 source "fs/Kconfig"
>> 3204
>> 3205 source "arch/mips/Kconfig.debug"
>> 3206
>> 3207 source "security/Kconfig"
>> 3208
>> 3209 source "crypto/Kconfig"
1316 3210
1317 source "arch/powerpc/kvm/Kconfig" !! 3211 source "lib/Kconfig"
1318 3212
1319 source "kernel/livepatch/Kconfig" !! 3213 source "arch/mips/kvm/Kconfig"
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