1# SPDX-License-Identifier: GPL-2.0 2config MIPS 3 bool 4 default y 5 select ARCH_32BIT_OFF_T if !64BIT 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 7 select ARCH_CLOCKSOURCE_DATA 8 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 9 select ARCH_HAS_UBSAN_SANITIZE_ALL 10 select ARCH_HAS_FORTIFY_SOURCE 11 select ARCH_SUPPORTS_UPROBES 12 select ARCH_USE_BUILTIN_BSWAP 13 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 14 select ARCH_USE_QUEUED_RWLOCKS 15 select ARCH_USE_QUEUED_SPINLOCKS 16 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 17 select ARCH_WANT_IPC_PARSE_VERSION 18 select BUILDTIME_EXTABLE_SORT 19 select CLONE_BACKWARDS 20 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 21 select CPU_PM if CPU_IDLE 22 select GENERIC_ATOMIC64 if !64BIT 23 select GENERIC_CLOCKEVENTS 24 select GENERIC_CMOS_UPDATE 25 select GENERIC_CPU_AUTOPROBE 26 select GENERIC_GETTIMEOFDAY 27 select GENERIC_IOMAP 28 select GENERIC_IRQ_PROBE 29 select GENERIC_IRQ_SHOW 30 select GENERIC_ISA_DMA if EISA 31 select GENERIC_LIB_ASHLDI3 32 select GENERIC_LIB_ASHRDI3 33 select GENERIC_LIB_CMPDI2 34 select GENERIC_LIB_LSHRDI3 35 select GENERIC_LIB_UCMPDI2 36 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 37 select GENERIC_SMP_IDLE_THREAD 38 select GENERIC_TIME_VSYSCALL 39 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 40 select HANDLE_DOMAIN_IRQ 41 select HAVE_ARCH_COMPILER_H 42 select HAVE_ARCH_JUMP_LABEL 43 select HAVE_ARCH_KGDB 44 select HAVE_ARCH_MMAP_RND_BITS if MMU 45 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 46 select HAVE_ARCH_SECCOMP_FILTER 47 select HAVE_ARCH_TRACEHOOK 48 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 49 select HAVE_ASM_MODVERSIONS 50 select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 51 select HAVE_CONTEXT_TRACKING 52 select HAVE_COPY_THREAD_TLS 53 select HAVE_C_RECORDMCOUNT 54 select HAVE_DEBUG_KMEMLEAK 55 select HAVE_DEBUG_STACKOVERFLOW 56 select HAVE_DMA_CONTIGUOUS 57 select HAVE_DYNAMIC_FTRACE 58 select HAVE_EXIT_THREAD 59 select HAVE_FAST_GUP 60 select HAVE_FTRACE_MCOUNT_RECORD 61 select HAVE_FUNCTION_GRAPH_TRACER 62 select HAVE_FUNCTION_TRACER 63 select HAVE_IDE 64 select HAVE_IOREMAP_PROT 65 select HAVE_IRQ_EXIT_ON_IRQ_STACK 66 select HAVE_IRQ_TIME_ACCOUNTING 67 select HAVE_KPROBES 68 select HAVE_KRETPROBES 69 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 70 select HAVE_MEMBLOCK_NODE_MAP 71 select HAVE_MOD_ARCH_SPECIFIC 72 select HAVE_NMI 73 select HAVE_OPROFILE 74 select HAVE_PERF_EVENTS 75 select HAVE_REGS_AND_STACK_ACCESS_API 76 select HAVE_RSEQ 77 select HAVE_STACKPROTECTOR 78 select HAVE_SYSCALL_TRACEPOINTS 79 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 80 select HAVE_GENERIC_VDSO 81 select IRQ_FORCED_THREADING 82 select ISA if EISA 83 select MODULES_USE_ELF_RELA if MODULES && 64BIT 84 select MODULES_USE_ELF_REL if MODULES 85 select PERF_USE_VMALLOC 86 select RTC_LIB 87 select SYSCTL_EXCEPTION_TRACE 88 select VIRT_TO_BUS 89 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 90 select ARCH_HAS_KCOV 91 select HAVE_GCC_PLUGINS 92 93menu "Machine selection" 94 95choice 96 prompt "System type" 97 default MIPS_GENERIC 98 99config MIPS_GENERIC 100 bool "Generic board-agnostic MIPS kernel" 101 select BOOT_RAW 102 select BUILTIN_DTB 103 select CEVT_R4K 104 select CLKSRC_MIPS_GIC 105 select COMMON_CLK 106 select CPU_MIPSR2_IRQ_VI 107 select CPU_MIPSR2_IRQ_EI 108 select CSRC_R4K 109 select DMA_PERDEV_COHERENT 110 select HAVE_PCI 111 select IRQ_MIPS_CPU 112 select LIBFDT 113 select MIPS_AUTO_PFN_OFFSET 114 select MIPS_CPU_SCACHE 115 select MIPS_GIC 116 select MIPS_L1_CACHE_SHIFT_7 117 select NO_EXCEPT_FILL 118 select PCI_DRIVERS_GENERIC 119 select PINCTRL 120 select SMP_UP if SMP 121 select SWAP_IO_SPACE 122 select SYS_HAS_CPU_MIPS32_R1 123 select SYS_HAS_CPU_MIPS32_R2 124 select SYS_HAS_CPU_MIPS32_R6 125 select SYS_HAS_CPU_MIPS64_R1 126 select SYS_HAS_CPU_MIPS64_R2 127 select SYS_HAS_CPU_MIPS64_R6 128 select SYS_SUPPORTS_32BIT_KERNEL 129 select SYS_SUPPORTS_64BIT_KERNEL 130 select SYS_SUPPORTS_BIG_ENDIAN 131 select SYS_SUPPORTS_HIGHMEM 132 select SYS_SUPPORTS_LITTLE_ENDIAN 133 select SYS_SUPPORTS_MICROMIPS 134 select SYS_SUPPORTS_MIPS_CPS 135 select SYS_SUPPORTS_MIPS16 136 select SYS_SUPPORTS_MULTITHREADING 137 select SYS_SUPPORTS_RELOCATABLE 138 select SYS_SUPPORTS_SMARTMIPS 139 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 140 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 141 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 142 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 143 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 144 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 145 select USE_OF 146 select UHI_BOOT 147 help 148 Select this to build a kernel which aims to support multiple boards, 149 generally using a flattened device tree passed from the bootloader 150 using the boot protocol defined in the UHI (Unified Hosting 151 Interface) specification. 152 153config MIPS_ALCHEMY 154 bool "Alchemy processor based machines" 155 select PHYS_ADDR_T_64BIT 156 select CEVT_R4K 157 select CSRC_R4K 158 select IRQ_MIPS_CPU 159 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 160 select SYS_HAS_CPU_MIPS32_R1 161 select SYS_SUPPORTS_32BIT_KERNEL 162 select SYS_SUPPORTS_APM_EMULATION 163 select GPIOLIB 164 select SYS_SUPPORTS_ZBOOT 165 select COMMON_CLK 166 167config AR7 168 bool "Texas Instruments AR7" 169 select BOOT_ELF32 170 select DMA_NONCOHERENT 171 select CEVT_R4K 172 select CSRC_R4K 173 select IRQ_MIPS_CPU 174 select NO_EXCEPT_FILL 175 select SWAP_IO_SPACE 176 select SYS_HAS_CPU_MIPS32_R1 177 select SYS_HAS_EARLY_PRINTK 178 select SYS_SUPPORTS_32BIT_KERNEL 179 select SYS_SUPPORTS_LITTLE_ENDIAN 180 select SYS_SUPPORTS_MIPS16 181 select SYS_SUPPORTS_ZBOOT_UART16550 182 select GPIOLIB 183 select VLYNQ 184 select HAVE_CLK 185 help 186 Support for the Texas Instruments AR7 System-on-a-Chip 187 family: TNETD7100, 7200 and 7300. 188 189config ATH25 190 bool "Atheros AR231x/AR531x SoC support" 191 select CEVT_R4K 192 select CSRC_R4K 193 select DMA_NONCOHERENT 194 select IRQ_MIPS_CPU 195 select IRQ_DOMAIN 196 select SYS_HAS_CPU_MIPS32_R1 197 select SYS_SUPPORTS_BIG_ENDIAN 198 select SYS_SUPPORTS_32BIT_KERNEL 199 select SYS_HAS_EARLY_PRINTK 200 help 201 Support for Atheros AR231x and Atheros AR531x based boards 202 203config ATH79 204 bool "Atheros AR71XX/AR724X/AR913X based boards" 205 select ARCH_HAS_RESET_CONTROLLER 206 select BOOT_RAW 207 select CEVT_R4K 208 select CSRC_R4K 209 select DMA_NONCOHERENT 210 select GPIOLIB 211 select PINCTRL 212 select HAVE_CLK 213 select COMMON_CLK 214 select CLKDEV_LOOKUP 215 select IRQ_MIPS_CPU 216 select SYS_HAS_CPU_MIPS32_R2 217 select SYS_HAS_EARLY_PRINTK 218 select SYS_SUPPORTS_32BIT_KERNEL 219 select SYS_SUPPORTS_BIG_ENDIAN 220 select SYS_SUPPORTS_MIPS16 221 select SYS_SUPPORTS_ZBOOT_UART_PROM 222 select USE_OF 223 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 224 help 225 Support for the Atheros AR71XX/AR724X/AR913X SoCs. 226 227config BMIPS_GENERIC 228 bool "Broadcom Generic BMIPS kernel" 229 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 230 select ARCH_HAS_PHYS_TO_DMA 231 select BOOT_RAW 232 select NO_EXCEPT_FILL 233 select USE_OF 234 select CEVT_R4K 235 select CSRC_R4K 236 select SYNC_R4K 237 select COMMON_CLK 238 select BCM6345_L1_IRQ 239 select BCM7038_L1_IRQ 240 select BCM7120_L2_IRQ 241 select BRCMSTB_L2_IRQ 242 select IRQ_MIPS_CPU 243 select DMA_NONCOHERENT 244 select SYS_SUPPORTS_32BIT_KERNEL 245 select SYS_SUPPORTS_LITTLE_ENDIAN 246 select SYS_SUPPORTS_BIG_ENDIAN 247 select SYS_SUPPORTS_HIGHMEM 248 select SYS_HAS_CPU_BMIPS32_3300 249 select SYS_HAS_CPU_BMIPS4350 250 select SYS_HAS_CPU_BMIPS4380 251 select SYS_HAS_CPU_BMIPS5000 252 select SWAP_IO_SPACE 253 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 254 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 255 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 256 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 257 select HARDIRQS_SW_RESEND 258 help 259 Build a generic DT-based kernel image that boots on select 260 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 261 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 262 must be set appropriately for your board. 263 264config BCM47XX 265 bool "Broadcom BCM47XX based boards" 266 select BOOT_RAW 267 select CEVT_R4K 268 select CSRC_R4K 269 select DMA_NONCOHERENT 270 select HAVE_PCI 271 select IRQ_MIPS_CPU 272 select SYS_HAS_CPU_MIPS32_R1 273 select NO_EXCEPT_FILL 274 select SYS_SUPPORTS_32BIT_KERNEL 275 select SYS_SUPPORTS_LITTLE_ENDIAN 276 select SYS_SUPPORTS_MIPS16 277 select SYS_SUPPORTS_ZBOOT 278 select SYS_HAS_EARLY_PRINTK 279 select USE_GENERIC_EARLY_PRINTK_8250 280 select GPIOLIB 281 select LEDS_GPIO_REGISTER 282 select BCM47XX_NVRAM 283 select BCM47XX_SPROM 284 select BCM47XX_SSB if !BCM47XX_BCMA 285 help 286 Support for BCM47XX based boards 287 288config BCM63XX 289 bool "Broadcom BCM63XX based boards" 290 select BOOT_RAW 291 select CEVT_R4K 292 select CSRC_R4K 293 select SYNC_R4K 294 select DMA_NONCOHERENT 295 select IRQ_MIPS_CPU 296 select SYS_SUPPORTS_32BIT_KERNEL 297 select SYS_SUPPORTS_BIG_ENDIAN 298 select SYS_HAS_EARLY_PRINTK 299 select SWAP_IO_SPACE 300 select GPIOLIB 301 select HAVE_CLK 302 select MIPS_L1_CACHE_SHIFT_4 303 select CLKDEV_LOOKUP 304 help 305 Support for BCM63XX based boards 306 307config MIPS_COBALT 308 bool "Cobalt Server" 309 select CEVT_R4K 310 select CSRC_R4K 311 select CEVT_GT641XX 312 select DMA_NONCOHERENT 313 select FORCE_PCI 314 select I8253 315 select I8259 316 select IRQ_MIPS_CPU 317 select IRQ_GT641XX 318 select PCI_GT64XXX_PCI0 319 select SYS_HAS_CPU_NEVADA 320 select SYS_HAS_EARLY_PRINTK 321 select SYS_SUPPORTS_32BIT_KERNEL 322 select SYS_SUPPORTS_64BIT_KERNEL 323 select SYS_SUPPORTS_LITTLE_ENDIAN 324 select USE_GENERIC_EARLY_PRINTK_8250 325 326config MACH_DECSTATION 327 bool "DECstations" 328 select BOOT_ELF32 329 select CEVT_DS1287 330 select CEVT_R4K if CPU_R4X00 331 select CSRC_IOASIC 332 select CSRC_R4K if CPU_R4X00 333 select CPU_DADDI_WORKAROUNDS if 64BIT 334 select CPU_R4000_WORKAROUNDS if 64BIT 335 select CPU_R4400_WORKAROUNDS if 64BIT 336 select DMA_NONCOHERENT 337 select NO_IOPORT_MAP 338 select IRQ_MIPS_CPU 339 select SYS_HAS_CPU_R3000 340 select SYS_HAS_CPU_R4X00 341 select SYS_SUPPORTS_32BIT_KERNEL 342 select SYS_SUPPORTS_64BIT_KERNEL 343 select SYS_SUPPORTS_LITTLE_ENDIAN 344 select SYS_SUPPORTS_128HZ 345 select SYS_SUPPORTS_256HZ 346 select SYS_SUPPORTS_1024HZ 347 select MIPS_L1_CACHE_SHIFT_4 348 help 349 This enables support for DEC's MIPS based workstations. For details 350 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 351 DECstation porting pages on <http://decstation.unix-ag.org/>. 352 353 If you have one of the following DECstation Models you definitely 354 want to choose R4xx0 for the CPU Type: 355 356 DECstation 5000/50 357 DECstation 5000/150 358 DECstation 5000/260 359 DECsystem 5900/260 360 361 otherwise choose R3000. 362 363config MACH_JAZZ 364 bool "Jazz family of machines" 365 select ARC_MEMORY 366 select ARC_PROMLIB 367 select ARCH_MIGHT_HAVE_PC_PARPORT 368 select ARCH_MIGHT_HAVE_PC_SERIO 369 select FW_ARC 370 select FW_ARC32 371 select ARCH_MAY_HAVE_PC_FDC 372 select CEVT_R4K 373 select CSRC_R4K 374 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 375 select GENERIC_ISA_DMA 376 select HAVE_PCSPKR_PLATFORM 377 select IRQ_MIPS_CPU 378 select I8253 379 select I8259 380 select ISA 381 select SYS_HAS_CPU_R4X00 382 select SYS_SUPPORTS_32BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL 384 select SYS_SUPPORTS_100HZ 385 help 386 This a family of machines based on the MIPS R4030 chipset which was 387 used by several vendors to build RISC/os and Windows NT workstations. 388 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 389 Olivetti M700-10 workstations. 390 391config MACH_INGENIC 392 bool "Ingenic SoC based machines" 393 select SYS_SUPPORTS_32BIT_KERNEL 394 select SYS_SUPPORTS_LITTLE_ENDIAN 395 select SYS_SUPPORTS_ZBOOT_UART16550 396 select CPU_SUPPORTS_HUGEPAGES 397 select DMA_NONCOHERENT 398 select IRQ_MIPS_CPU 399 select PINCTRL 400 select GPIOLIB 401 select COMMON_CLK 402 select GENERIC_IRQ_CHIP 403 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 404 select USE_OF 405 select LIBFDT 406 407config LANTIQ 408 bool "Lantiq based platforms" 409 select DMA_NONCOHERENT 410 select IRQ_MIPS_CPU 411 select CEVT_R4K 412 select CSRC_R4K 413 select SYS_HAS_CPU_MIPS32_R1 414 select SYS_HAS_CPU_MIPS32_R2 415 select SYS_SUPPORTS_BIG_ENDIAN 416 select SYS_SUPPORTS_32BIT_KERNEL 417 select SYS_SUPPORTS_MIPS16 418 select SYS_SUPPORTS_MULTITHREADING 419 select SYS_SUPPORTS_VPE_LOADER 420 select SYS_HAS_EARLY_PRINTK 421 select GPIOLIB 422 select SWAP_IO_SPACE 423 select BOOT_RAW 424 select CLKDEV_LOOKUP 425 select USE_OF 426 select PINCTRL 427 select PINCTRL_LANTIQ 428 select ARCH_HAS_RESET_CONTROLLER 429 select RESET_CONTROLLER 430 431config LASAT 432 bool "LASAT Networks platforms" 433 select CEVT_R4K 434 select CRC32 435 select CSRC_R4K 436 select DMA_NONCOHERENT 437 select SYS_HAS_EARLY_PRINTK 438 select HAVE_PCI 439 select IRQ_MIPS_CPU 440 select PCI_GT64XXX_PCI0 441 select MIPS_NILE4 442 select R5000_CPU_SCACHE 443 select SYS_HAS_CPU_R5000 444 select SYS_SUPPORTS_32BIT_KERNEL 445 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 446 select SYS_SUPPORTS_LITTLE_ENDIAN 447 448config MACH_LOONGSON32 449 bool "Loongson 32-bit family of machines" 450 select SYS_SUPPORTS_ZBOOT 451 help 452 This enables support for the Loongson-1 family of machines. 453 454 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 455 the Institute of Computing Technology (ICT), Chinese Academy of 456 Sciences (CAS). 457 458config MACH_LOONGSON2EF 459 bool "Loongson-2E/F family of machines" 460 select SYS_SUPPORTS_ZBOOT 461 help 462 This enables the support of early Loongson-2E/F family of machines. 463 464config MACH_LOONGSON64 465 bool "Loongson 64-bit family of machines" 466 select ARCH_SPARSEMEM_ENABLE 467 select ARCH_MIGHT_HAVE_PC_PARPORT 468 select ARCH_MIGHT_HAVE_PC_SERIO 469 select GENERIC_ISA_DMA_SUPPORT_BROKEN 470 select BOOT_ELF32 471 select BOARD_SCACHE 472 select CSRC_R4K 473 select CEVT_R4K 474 select CPU_HAS_WB 475 select FORCE_PCI 476 select ISA 477 select I8259 478 select IRQ_MIPS_CPU 479 select NR_CPUS_DEFAULT_4 480 select USE_GENERIC_EARLY_PRINTK_8250 481 select SYS_HAS_CPU_LOONGSON64 482 select SYS_HAS_EARLY_PRINTK 483 select SYS_SUPPORTS_SMP 484 select SYS_SUPPORTS_HOTPLUG_CPU 485 select SYS_SUPPORTS_NUMA 486 select SYS_SUPPORTS_64BIT_KERNEL 487 select SYS_SUPPORTS_HIGHMEM 488 select SYS_SUPPORTS_LITTLE_ENDIAN 489 select SYS_SUPPORTS_ZBOOT 490 select LOONGSON_MC146818 491 select ZONE_DMA32 492 select NUMA 493 help 494 This enables the support of Loongson-2/3 family of machines. 495 496 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 497 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 498 and Loongson-2F which will be removed), developed by the Institute 499 of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 500 501config MACH_PISTACHIO 502 bool "IMG Pistachio SoC based boards" 503 select BOOT_ELF32 504 select BOOT_RAW 505 select CEVT_R4K 506 select CLKSRC_MIPS_GIC 507 select COMMON_CLK 508 select CSRC_R4K 509 select DMA_NONCOHERENT 510 select GPIOLIB 511 select IRQ_MIPS_CPU 512 select LIBFDT 513 select MFD_SYSCON 514 select MIPS_CPU_SCACHE 515 select MIPS_GIC 516 select PINCTRL 517 select REGULATOR 518 select SYS_HAS_CPU_MIPS32_R2 519 select SYS_SUPPORTS_32BIT_KERNEL 520 select SYS_SUPPORTS_LITTLE_ENDIAN 521 select SYS_SUPPORTS_MIPS_CPS 522 select SYS_SUPPORTS_MULTITHREADING 523 select SYS_SUPPORTS_RELOCATABLE 524 select SYS_SUPPORTS_ZBOOT 525 select SYS_HAS_EARLY_PRINTK 526 select USE_GENERIC_EARLY_PRINTK_8250 527 select USE_OF 528 help 529 This enables support for the IMG Pistachio SoC platform. 530 531config MIPS_MALTA 532 bool "MIPS Malta board" 533 select ARCH_MAY_HAVE_PC_FDC 534 select ARCH_MIGHT_HAVE_PC_PARPORT 535 select ARCH_MIGHT_HAVE_PC_SERIO 536 select BOOT_ELF32 537 select BOOT_RAW 538 select BUILTIN_DTB 539 select CEVT_R4K 540 select CLKSRC_MIPS_GIC 541 select COMMON_CLK 542 select CSRC_R4K 543 select DMA_MAYBE_COHERENT 544 select GENERIC_ISA_DMA 545 select HAVE_PCSPKR_PLATFORM 546 select HAVE_PCI 547 select I8253 548 select I8259 549 select IRQ_MIPS_CPU 550 select LIBFDT 551 select MIPS_BONITO64 552 select MIPS_CPU_SCACHE 553 select MIPS_GIC 554 select MIPS_L1_CACHE_SHIFT_6 555 select MIPS_MSC 556 select PCI_GT64XXX_PCI0 557 select SMP_UP if SMP 558 select SWAP_IO_SPACE 559 select SYS_HAS_CPU_MIPS32_R1 560 select SYS_HAS_CPU_MIPS32_R2 561 select SYS_HAS_CPU_MIPS32_R3_5 562 select SYS_HAS_CPU_MIPS32_R5 563 select SYS_HAS_CPU_MIPS32_R6 564 select SYS_HAS_CPU_MIPS64_R1 565 select SYS_HAS_CPU_MIPS64_R2 566 select SYS_HAS_CPU_MIPS64_R6 567 select SYS_HAS_CPU_NEVADA 568 select SYS_HAS_CPU_RM7000 569 select SYS_SUPPORTS_32BIT_KERNEL 570 select SYS_SUPPORTS_64BIT_KERNEL 571 select SYS_SUPPORTS_BIG_ENDIAN 572 select SYS_SUPPORTS_HIGHMEM 573 select SYS_SUPPORTS_LITTLE_ENDIAN 574 select SYS_SUPPORTS_MICROMIPS 575 select SYS_SUPPORTS_MIPS16 576 select SYS_SUPPORTS_MIPS_CMP 577 select SYS_SUPPORTS_MIPS_CPS 578 select SYS_SUPPORTS_MULTITHREADING 579 select SYS_SUPPORTS_RELOCATABLE 580 select SYS_SUPPORTS_SMARTMIPS 581 select SYS_SUPPORTS_VPE_LOADER 582 select SYS_SUPPORTS_ZBOOT 583 select USE_OF 584 select ZONE_DMA32 if 64BIT 585 help 586 This enables support for the MIPS Technologies Malta evaluation 587 board. 588 589config MACH_PIC32 590 bool "Microchip PIC32 Family" 591 help 592 This enables support for the Microchip PIC32 family of platforms. 593 594 Microchip PIC32 is a family of general-purpose 32 bit MIPS core 595 microcontrollers. 596 597config NEC_MARKEINS 598 bool "NEC EMMA2RH Mark-eins board" 599 select SOC_EMMA2RH 600 select HAVE_PCI 601 help 602 This enables support for the NEC Electronics Mark-eins boards. 603 604config MACH_VR41XX 605 bool "NEC VR4100 series based machines" 606 select CEVT_R4K 607 select CSRC_R4K 608 select SYS_HAS_CPU_VR41XX 609 select SYS_SUPPORTS_MIPS16 610 select GPIOLIB 611 612config NXP_STB220 613 bool "NXP STB220 board" 614 select SOC_PNX833X 615 help 616 Support for NXP Semiconductors STB220 Development Board. 617 618config NXP_STB225 619 bool "NXP 225 board" 620 select SOC_PNX833X 621 select SOC_PNX8335 622 help 623 Support for NXP Semiconductors STB225 Development Board. 624 625config PMC_MSP 626 bool "PMC-Sierra MSP chipsets" 627 select CEVT_R4K 628 select CSRC_R4K 629 select DMA_NONCOHERENT 630 select SWAP_IO_SPACE 631 select NO_EXCEPT_FILL 632 select BOOT_RAW 633 select SYS_HAS_CPU_MIPS32_R1 634 select SYS_HAS_CPU_MIPS32_R2 635 select SYS_SUPPORTS_32BIT_KERNEL 636 select SYS_SUPPORTS_BIG_ENDIAN 637 select SYS_SUPPORTS_MIPS16 638 select IRQ_MIPS_CPU 639 select SERIAL_8250 640 select SERIAL_8250_CONSOLE 641 select USB_EHCI_BIG_ENDIAN_MMIO 642 select USB_EHCI_BIG_ENDIAN_DESC 643 help 644 This adds support for the PMC-Sierra family of Multi-Service 645 Processor System-On-A-Chips. These parts include a number 646 of integrated peripherals, interfaces and DSPs in addition to 647 a variety of MIPS cores. 648 649config RALINK 650 bool "Ralink based machines" 651 select CEVT_R4K 652 select CSRC_R4K 653 select BOOT_RAW 654 select DMA_NONCOHERENT 655 select IRQ_MIPS_CPU 656 select USE_OF 657 select SYS_HAS_CPU_MIPS32_R1 658 select SYS_HAS_CPU_MIPS32_R2 659 select SYS_SUPPORTS_32BIT_KERNEL 660 select SYS_SUPPORTS_LITTLE_ENDIAN 661 select SYS_SUPPORTS_MIPS16 662 select SYS_HAS_EARLY_PRINTK 663 select CLKDEV_LOOKUP 664 select ARCH_HAS_RESET_CONTROLLER 665 select RESET_CONTROLLER 666 667config SGI_IP22 668 bool "SGI IP22 (Indy/Indigo2)" 669 select ARC_MEMORY 670 select ARC_PROMLIB 671 select FW_ARC 672 select FW_ARC32 673 select ARCH_MIGHT_HAVE_PC_SERIO 674 select BOOT_ELF32 675 select CEVT_R4K 676 select CSRC_R4K 677 select DEFAULT_SGI_PARTITION 678 select DMA_NONCOHERENT 679 select HAVE_EISA 680 select I8253 681 select I8259 682 select IP22_CPU_SCACHE 683 select IRQ_MIPS_CPU 684 select GENERIC_ISA_DMA_SUPPORT_BROKEN 685 select SGI_HAS_I8042 686 select SGI_HAS_INDYDOG 687 select SGI_HAS_HAL2 688 select SGI_HAS_SEEQ 689 select SGI_HAS_WD93 690 select SGI_HAS_ZILOG 691 select SWAP_IO_SPACE 692 select SYS_HAS_CPU_R4X00 693 select SYS_HAS_CPU_R5000 694 select SYS_HAS_EARLY_PRINTK 695 select SYS_SUPPORTS_32BIT_KERNEL 696 select SYS_SUPPORTS_64BIT_KERNEL 697 select SYS_SUPPORTS_BIG_ENDIAN 698 select MIPS_L1_CACHE_SHIFT_7 699 help 700 This are the SGI Indy, Challenge S and Indigo2, as well as certain 701 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 702 that runs on these, say Y here. 703 704config SGI_IP27 705 bool "SGI IP27 (Origin200/2000)" 706 select ARCH_HAS_PHYS_TO_DMA 707 select ARCH_SPARSEMEM_ENABLE 708 select FW_ARC 709 select FW_ARC64 710 select ARC_CMDLINE_ONLY 711 select BOOT_ELF64 712 select DEFAULT_SGI_PARTITION 713 select SYS_HAS_EARLY_PRINTK 714 select HAVE_PCI 715 select IRQ_MIPS_CPU 716 select IRQ_DOMAIN_HIERARCHY 717 select NR_CPUS_DEFAULT_64 718 select PCI_DRIVERS_GENERIC 719 select PCI_XTALK_BRIDGE 720 select SYS_HAS_CPU_R10000 721 select SYS_SUPPORTS_64BIT_KERNEL 722 select SYS_SUPPORTS_BIG_ENDIAN 723 select SYS_SUPPORTS_NUMA 724 select SYS_SUPPORTS_SMP 725 select MIPS_L1_CACHE_SHIFT_7 726 help 727 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 728 workstations. To compile a Linux kernel that runs on these, say Y 729 here. 730 731config SGI_IP28 732 bool "SGI IP28 (Indigo2 R10k)" 733 select ARC_MEMORY 734 select ARC_PROMLIB 735 select FW_ARC 736 select FW_ARC64 737 select ARCH_MIGHT_HAVE_PC_SERIO 738 select BOOT_ELF64 739 select CEVT_R4K 740 select CSRC_R4K 741 select DEFAULT_SGI_PARTITION 742 select DMA_NONCOHERENT 743 select GENERIC_ISA_DMA_SUPPORT_BROKEN 744 select IRQ_MIPS_CPU 745 select HAVE_EISA 746 select I8253 747 select I8259 748 select SGI_HAS_I8042 749 select SGI_HAS_INDYDOG 750 select SGI_HAS_HAL2 751 select SGI_HAS_SEEQ 752 select SGI_HAS_WD93 753 select SGI_HAS_ZILOG 754 select SWAP_IO_SPACE 755 select SYS_HAS_CPU_R10000 756 select SYS_HAS_EARLY_PRINTK 757 select SYS_SUPPORTS_64BIT_KERNEL 758 select SYS_SUPPORTS_BIG_ENDIAN 759 select MIPS_L1_CACHE_SHIFT_7 760 help 761 This is the SGI Indigo2 with R10000 processor. To compile a Linux 762 kernel that runs on these, say Y here. 763 764config SGI_IP30 765 bool "SGI IP30 (Octane/Octane2)" 766 select ARCH_HAS_PHYS_TO_DMA 767 select FW_ARC 768 select FW_ARC64 769 select BOOT_ELF64 770 select CEVT_R4K 771 select CSRC_R4K 772 select SYNC_R4K if SMP 773 select ZONE_DMA32 774 select HAVE_PCI 775 select IRQ_MIPS_CPU 776 select IRQ_DOMAIN_HIERARCHY 777 select NR_CPUS_DEFAULT_2 778 select PCI_DRIVERS_GENERIC 779 select PCI_XTALK_BRIDGE 780 select SYS_HAS_EARLY_PRINTK 781 select SYS_HAS_CPU_R10000 782 select SYS_SUPPORTS_64BIT_KERNEL 783 select SYS_SUPPORTS_BIG_ENDIAN 784 select SYS_SUPPORTS_SMP 785 select MIPS_L1_CACHE_SHIFT_7 786 select ARC_MEMORY 787 help 788 These are the SGI Octane and Octane2 graphics workstations. To 789 compile a Linux kernel that runs on these, say Y here. 790 791config SGI_IP32 792 bool "SGI IP32 (O2)" 793 select ARC_MEMORY 794 select ARC_PROMLIB 795 select ARCH_HAS_PHYS_TO_DMA 796 select FW_ARC 797 select FW_ARC32 798 select BOOT_ELF32 799 select CEVT_R4K 800 select CSRC_R4K 801 select DMA_NONCOHERENT 802 select HAVE_PCI 803 select IRQ_MIPS_CPU 804 select R5000_CPU_SCACHE 805 select RM7000_CPU_SCACHE 806 select SYS_HAS_CPU_R5000 807 select SYS_HAS_CPU_R10000 if BROKEN 808 select SYS_HAS_CPU_RM7000 809 select SYS_HAS_CPU_NEVADA 810 select SYS_SUPPORTS_64BIT_KERNEL 811 select SYS_SUPPORTS_BIG_ENDIAN 812 help 813 If you want this kernel to run on SGI O2 workstation, say Y here. 814 815config SIBYTE_CRHINE 816 bool "Sibyte BCM91120C-CRhine" 817 select BOOT_ELF32 818 select SIBYTE_BCM1120 819 select SWAP_IO_SPACE 820 select SYS_HAS_CPU_SB1 821 select SYS_SUPPORTS_BIG_ENDIAN 822 select SYS_SUPPORTS_LITTLE_ENDIAN 823 824config SIBYTE_CARMEL 825 bool "Sibyte BCM91120x-Carmel" 826 select BOOT_ELF32 827 select SIBYTE_BCM1120 828 select SWAP_IO_SPACE 829 select SYS_HAS_CPU_SB1 830 select SYS_SUPPORTS_BIG_ENDIAN 831 select SYS_SUPPORTS_LITTLE_ENDIAN 832 833config SIBYTE_CRHONE 834 bool "Sibyte BCM91125C-CRhone" 835 select BOOT_ELF32 836 select SIBYTE_BCM1125 837 select SWAP_IO_SPACE 838 select SYS_HAS_CPU_SB1 839 select SYS_SUPPORTS_BIG_ENDIAN 840 select SYS_SUPPORTS_HIGHMEM 841 select SYS_SUPPORTS_LITTLE_ENDIAN 842 843config SIBYTE_RHONE 844 bool "Sibyte BCM91125E-Rhone" 845 select BOOT_ELF32 846 select SIBYTE_BCM1125H 847 select SWAP_IO_SPACE 848 select SYS_HAS_CPU_SB1 849 select SYS_SUPPORTS_BIG_ENDIAN 850 select SYS_SUPPORTS_LITTLE_ENDIAN 851 852config SIBYTE_SWARM 853 bool "Sibyte BCM91250A-SWARM" 854 select BOOT_ELF32 855 select HAVE_PATA_PLATFORM 856 select SIBYTE_SB1250 857 select SWAP_IO_SPACE 858 select SYS_HAS_CPU_SB1 859 select SYS_SUPPORTS_BIG_ENDIAN 860 select SYS_SUPPORTS_HIGHMEM 861 select SYS_SUPPORTS_LITTLE_ENDIAN 862 select ZONE_DMA32 if 64BIT 863 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 864 865config SIBYTE_LITTLESUR 866 bool "Sibyte BCM91250C2-LittleSur" 867 select BOOT_ELF32 868 select HAVE_PATA_PLATFORM 869 select SIBYTE_SB1250 870 select SWAP_IO_SPACE 871 select SYS_HAS_CPU_SB1 872 select SYS_SUPPORTS_BIG_ENDIAN 873 select SYS_SUPPORTS_HIGHMEM 874 select SYS_SUPPORTS_LITTLE_ENDIAN 875 select ZONE_DMA32 if 64BIT 876 877config SIBYTE_SENTOSA 878 bool "Sibyte BCM91250E-Sentosa" 879 select BOOT_ELF32 880 select SIBYTE_SB1250 881 select SWAP_IO_SPACE 882 select SYS_HAS_CPU_SB1 883 select SYS_SUPPORTS_BIG_ENDIAN 884 select SYS_SUPPORTS_LITTLE_ENDIAN 885 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 886 887config SIBYTE_BIGSUR 888 bool "Sibyte BCM91480B-BigSur" 889 select BOOT_ELF32 890 select NR_CPUS_DEFAULT_4 891 select SIBYTE_BCM1x80 892 select SWAP_IO_SPACE 893 select SYS_HAS_CPU_SB1 894 select SYS_SUPPORTS_BIG_ENDIAN 895 select SYS_SUPPORTS_HIGHMEM 896 select SYS_SUPPORTS_LITTLE_ENDIAN 897 select ZONE_DMA32 if 64BIT 898 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 899 900config SNI_RM 901 bool "SNI RM200/300/400" 902 select ARC_MEMORY 903 select ARC_PROMLIB 904 select FW_ARC if CPU_LITTLE_ENDIAN 905 select FW_ARC32 if CPU_LITTLE_ENDIAN 906 select FW_SNIPROM if CPU_BIG_ENDIAN 907 select ARCH_MAY_HAVE_PC_FDC 908 select ARCH_MIGHT_HAVE_PC_PARPORT 909 select ARCH_MIGHT_HAVE_PC_SERIO 910 select BOOT_ELF32 911 select CEVT_R4K 912 select CSRC_R4K 913 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 914 select DMA_NONCOHERENT 915 select GENERIC_ISA_DMA 916 select HAVE_EISA 917 select HAVE_PCSPKR_PLATFORM 918 select HAVE_PCI 919 select IRQ_MIPS_CPU 920 select I8253 921 select I8259 922 select ISA 923 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 924 select SYS_HAS_CPU_R4X00 925 select SYS_HAS_CPU_R5000 926 select SYS_HAS_CPU_R10000 927 select R5000_CPU_SCACHE 928 select SYS_HAS_EARLY_PRINTK 929 select SYS_SUPPORTS_32BIT_KERNEL 930 select SYS_SUPPORTS_64BIT_KERNEL 931 select SYS_SUPPORTS_BIG_ENDIAN 932 select SYS_SUPPORTS_HIGHMEM 933 select SYS_SUPPORTS_LITTLE_ENDIAN 934 help 935 The SNI RM200/300/400 are MIPS-based machines manufactured by 936 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 937 Technology and now in turn merged with Fujitsu. Say Y here to 938 support this machine type. 939 940config MACH_TX39XX 941 bool "Toshiba TX39 series based machines" 942 943config MACH_TX49XX 944 bool "Toshiba TX49 series based machines" 945 946config MIKROTIK_RB532 947 bool "Mikrotik RB532 boards" 948 select CEVT_R4K 949 select CSRC_R4K 950 select DMA_NONCOHERENT 951 select HAVE_PCI 952 select IRQ_MIPS_CPU 953 select SYS_HAS_CPU_MIPS32_R1 954 select SYS_SUPPORTS_32BIT_KERNEL 955 select SYS_SUPPORTS_LITTLE_ENDIAN 956 select SWAP_IO_SPACE 957 select BOOT_RAW 958 select GPIOLIB 959 select MIPS_L1_CACHE_SHIFT_4 960 help 961 Support the Mikrotik(tm) RouterBoard 532 series, 962 based on the IDT RC32434 SoC. 963 964config CAVIUM_OCTEON_SOC 965 bool "Cavium Networks Octeon SoC based boards" 966 select CEVT_R4K 967 select ARCH_HAS_PHYS_TO_DMA 968 select HAVE_RAPIDIO 969 select PHYS_ADDR_T_64BIT 970 select SYS_SUPPORTS_64BIT_KERNEL 971 select SYS_SUPPORTS_BIG_ENDIAN 972 select EDAC_SUPPORT 973 select EDAC_ATOMIC_SCRUB 974 select SYS_SUPPORTS_LITTLE_ENDIAN 975 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 976 select SYS_HAS_EARLY_PRINTK 977 select SYS_HAS_CPU_CAVIUM_OCTEON 978 select HAVE_PCI 979 select ZONE_DMA32 980 select HOLES_IN_ZONE 981 select GPIOLIB 982 select LIBFDT 983 select USE_OF 984 select ARCH_SPARSEMEM_ENABLE 985 select SYS_SUPPORTS_SMP 986 select NR_CPUS_DEFAULT_64 987 select MIPS_NR_CPU_NR_MAP_1024 988 select BUILTIN_DTB 989 select MTD_COMPLEX_MAPPINGS 990 select SWIOTLB 991 select SYS_SUPPORTS_RELOCATABLE 992 help 993 This option supports all of the Octeon reference boards from Cavium 994 Networks. It builds a kernel that dynamically determines the Octeon 995 CPU type and supports all known board reference implementations. 996 Some of the supported boards are: 997 EBT3000 998 EBH3000 999 EBH3100 1000 Thunder 1001 Kodama 1002 Hikari 1003 Say Y here for most Octeon reference boards. 1004 1005config NLM_XLR_BOARD 1006 bool "Netlogic XLR/XLS based systems" 1007 select BOOT_ELF32 1008 select NLM_COMMON 1009 select SYS_HAS_CPU_XLR 1010 select SYS_SUPPORTS_SMP 1011 select HAVE_PCI 1012 select SWAP_IO_SPACE 1013 select SYS_SUPPORTS_32BIT_KERNEL 1014 select SYS_SUPPORTS_64BIT_KERNEL 1015 select PHYS_ADDR_T_64BIT 1016 select SYS_SUPPORTS_BIG_ENDIAN 1017 select SYS_SUPPORTS_HIGHMEM 1018 select NR_CPUS_DEFAULT_32 1019 select CEVT_R4K 1020 select CSRC_R4K 1021 select IRQ_MIPS_CPU 1022 select ZONE_DMA32 if 64BIT 1023 select SYNC_R4K 1024 select SYS_HAS_EARLY_PRINTK 1025 select SYS_SUPPORTS_ZBOOT 1026 select SYS_SUPPORTS_ZBOOT_UART16550 1027 help 1028 Support for systems based on Netlogic XLR and XLS processors. 1029 Say Y here if you have a XLR or XLS based board. 1030 1031config NLM_XLP_BOARD 1032 bool "Netlogic XLP based systems" 1033 select BOOT_ELF32 1034 select NLM_COMMON 1035 select SYS_HAS_CPU_XLP 1036 select SYS_SUPPORTS_SMP 1037 select HAVE_PCI 1038 select SYS_SUPPORTS_32BIT_KERNEL 1039 select SYS_SUPPORTS_64BIT_KERNEL 1040 select PHYS_ADDR_T_64BIT 1041 select GPIOLIB 1042 select SYS_SUPPORTS_BIG_ENDIAN 1043 select SYS_SUPPORTS_LITTLE_ENDIAN 1044 select SYS_SUPPORTS_HIGHMEM 1045 select NR_CPUS_DEFAULT_32 1046 select CEVT_R4K 1047 select CSRC_R4K 1048 select IRQ_MIPS_CPU 1049 select ZONE_DMA32 if 64BIT 1050 select SYNC_R4K 1051 select SYS_HAS_EARLY_PRINTK 1052 select USE_OF 1053 select SYS_SUPPORTS_ZBOOT 1054 select SYS_SUPPORTS_ZBOOT_UART16550 1055 help 1056 This board is based on Netlogic XLP Processor. 1057 Say Y here if you have a XLP based board. 1058 1059config MIPS_PARAVIRT 1060 bool "Para-Virtualized guest system" 1061 select CEVT_R4K 1062 select CSRC_R4K 1063 select SYS_SUPPORTS_64BIT_KERNEL 1064 select SYS_SUPPORTS_32BIT_KERNEL 1065 select SYS_SUPPORTS_BIG_ENDIAN 1066 select SYS_SUPPORTS_SMP 1067 select NR_CPUS_DEFAULT_4 1068 select SYS_HAS_EARLY_PRINTK 1069 select SYS_HAS_CPU_MIPS32_R2 1070 select SYS_HAS_CPU_MIPS64_R2 1071 select SYS_HAS_CPU_CAVIUM_OCTEON 1072 select HAVE_PCI 1073 select SWAP_IO_SPACE 1074 help 1075 This option supports guest running under ???? 1076 1077endchoice 1078 1079source "arch/mips/alchemy/Kconfig" 1080source "arch/mips/ath25/Kconfig" 1081source "arch/mips/ath79/Kconfig" 1082source "arch/mips/bcm47xx/Kconfig" 1083source "arch/mips/bcm63xx/Kconfig" 1084source "arch/mips/bmips/Kconfig" 1085source "arch/mips/generic/Kconfig" 1086source "arch/mips/jazz/Kconfig" 1087source "arch/mips/jz4740/Kconfig" 1088source "arch/mips/lantiq/Kconfig" 1089source "arch/mips/lasat/Kconfig" 1090source "arch/mips/pic32/Kconfig" 1091source "arch/mips/pistachio/Kconfig" 1092source "arch/mips/pmcs-msp71xx/Kconfig" 1093source "arch/mips/ralink/Kconfig" 1094source "arch/mips/sgi-ip27/Kconfig" 1095source "arch/mips/sibyte/Kconfig" 1096source "arch/mips/txx9/Kconfig" 1097source "arch/mips/vr41xx/Kconfig" 1098source "arch/mips/cavium-octeon/Kconfig" 1099source "arch/mips/loongson2ef/Kconfig" 1100source "arch/mips/loongson32/Kconfig" 1101source "arch/mips/loongson64/Kconfig" 1102source "arch/mips/netlogic/Kconfig" 1103source "arch/mips/paravirt/Kconfig" 1104 1105endmenu 1106 1107config GENERIC_HWEIGHT 1108 bool 1109 default y 1110 1111config GENERIC_CALIBRATE_DELAY 1112 bool 1113 default y 1114 1115config SCHED_OMIT_FRAME_POINTER 1116 bool 1117 default y 1118 1119# 1120# Select some configuration options automatically based on user selections. 1121# 1122config FW_ARC 1123 bool 1124 1125config ARCH_MAY_HAVE_PC_FDC 1126 bool 1127 1128config BOOT_RAW 1129 bool 1130 1131config CEVT_BCM1480 1132 bool 1133 1134config CEVT_DS1287 1135 bool 1136 1137config CEVT_GT641XX 1138 bool 1139 1140config CEVT_R4K 1141 bool 1142 1143config CEVT_SB1250 1144 bool 1145 1146config CEVT_TXX9 1147 bool 1148 1149config CSRC_BCM1480 1150 bool 1151 1152config CSRC_IOASIC 1153 bool 1154 1155config CSRC_R4K 1156 bool 1157 1158config CSRC_SB1250 1159 bool 1160 1161config MIPS_CLOCK_VSYSCALL 1162 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1163 1164config GPIO_TXX9 1165 select GPIOLIB 1166 bool 1167 1168config FW_CFE 1169 bool 1170 1171config ARCH_SUPPORTS_UPROBES 1172 bool 1173 1174config DMA_MAYBE_COHERENT 1175 select ARCH_HAS_DMA_COHERENCE_H 1176 select DMA_NONCOHERENT 1177 bool 1178 1179config DMA_PERDEV_COHERENT 1180 bool 1181 select ARCH_HAS_SETUP_DMA_OPS 1182 select DMA_NONCOHERENT 1183 1184config DMA_NONCOHERENT 1185 bool 1186 # 1187 # MIPS allows mixing "slightly different" Cacheability and Coherency 1188 # Attribute bits. It is believed that the uncached access through 1189 # KSEG1 and the implementation specific "uncached accelerated" used 1190 # by pgprot_writcombine can be mixed, and the latter sometimes provides 1191 # significant advantages. 1192 # 1193 select ARCH_HAS_DMA_WRITE_COMBINE 1194 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1195 select ARCH_HAS_UNCACHED_SEGMENT 1196 select NEED_DMA_MAP_STATE 1197 select ARCH_HAS_DMA_COHERENT_TO_PFN 1198 select DMA_NONCOHERENT_CACHE_SYNC 1199 1200config SYS_HAS_EARLY_PRINTK 1201 bool 1202 1203config SYS_SUPPORTS_HOTPLUG_CPU 1204 bool 1205 1206config MIPS_BONITO64 1207 bool 1208 1209config MIPS_MSC 1210 bool 1211 1212config MIPS_NILE4 1213 bool 1214 1215config SYNC_R4K 1216 bool 1217 1218config MIPS_MACHINE 1219 def_bool n 1220 1221config NO_IOPORT_MAP 1222 def_bool n 1223 1224config GENERIC_CSUM 1225 bool 1226 default y if !CPU_HAS_LOAD_STORE_LR 1227 1228config GENERIC_ISA_DMA 1229 bool 1230 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1231 select ISA_DMA_API 1232 1233config GENERIC_ISA_DMA_SUPPORT_BROKEN 1234 bool 1235 select GENERIC_ISA_DMA 1236 1237config ISA_DMA_API 1238 bool 1239 1240config HOLES_IN_ZONE 1241 bool 1242 1243config SYS_SUPPORTS_RELOCATABLE 1244 bool 1245 help 1246 Selected if the platform supports relocating the kernel. 1247 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 1248 to allow access to command line and entropy sources. 1249 1250config MIPS_CBPF_JIT 1251 def_bool y 1252 depends on BPF_JIT && HAVE_CBPF_JIT 1253 1254config MIPS_EBPF_JIT 1255 def_bool y 1256 depends on BPF_JIT && HAVE_EBPF_JIT 1257 1258 1259# 1260# Endianness selection. Sufficiently obscure so many users don't know what to 1261# answer,so we try hard to limit the available choices. Also the use of a 1262# choice statement should be more obvious to the user. 1263# 1264choice 1265 prompt "Endianness selection" 1266 help 1267 Some MIPS machines can be configured for either little or big endian 1268 byte order. These modes require different kernels and a different 1269 Linux distribution. In general there is one preferred byteorder for a 1270 particular system but some systems are just as commonly used in the 1271 one or the other endianness. 1272 1273config CPU_BIG_ENDIAN 1274 bool "Big endian" 1275 depends on SYS_SUPPORTS_BIG_ENDIAN 1276 1277config CPU_LITTLE_ENDIAN 1278 bool "Little endian" 1279 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1280 1281endchoice 1282 1283config EXPORT_UASM 1284 bool 1285 1286config SYS_SUPPORTS_APM_EMULATION 1287 bool 1288 1289config SYS_SUPPORTS_BIG_ENDIAN 1290 bool 1291 1292config SYS_SUPPORTS_LITTLE_ENDIAN 1293 bool 1294 1295config SYS_SUPPORTS_HUGETLBFS 1296 bool 1297 depends on CPU_SUPPORTS_HUGEPAGES 1298 default y 1299 1300config MIPS_HUGE_TLB_SUPPORT 1301 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1302 1303config IRQ_CPU_RM7K 1304 bool 1305 1306config IRQ_MSP_SLP 1307 bool 1308 1309config IRQ_MSP_CIC 1310 bool 1311 1312config IRQ_TXX9 1313 bool 1314 1315config IRQ_GT641XX 1316 bool 1317 1318config PCI_GT64XXX_PCI0 1319 bool 1320 1321config PCI_XTALK_BRIDGE 1322 bool 1323 1324config NO_EXCEPT_FILL 1325 bool 1326 1327config SOC_EMMA2RH 1328 bool 1329 select CEVT_R4K 1330 select CSRC_R4K 1331 select DMA_NONCOHERENT 1332 select IRQ_MIPS_CPU 1333 select SWAP_IO_SPACE 1334 select SYS_HAS_CPU_R5500 1335 select SYS_SUPPORTS_32BIT_KERNEL 1336 select SYS_SUPPORTS_64BIT_KERNEL 1337 select SYS_SUPPORTS_BIG_ENDIAN 1338 1339config SOC_PNX833X 1340 bool 1341 select CEVT_R4K 1342 select CSRC_R4K 1343 select IRQ_MIPS_CPU 1344 select DMA_NONCOHERENT 1345 select SYS_HAS_CPU_MIPS32_R2 1346 select SYS_SUPPORTS_32BIT_KERNEL 1347 select SYS_SUPPORTS_LITTLE_ENDIAN 1348 select SYS_SUPPORTS_BIG_ENDIAN 1349 select SYS_SUPPORTS_MIPS16 1350 select CPU_MIPSR2_IRQ_VI 1351 1352config SOC_PNX8335 1353 bool 1354 select SOC_PNX833X 1355 1356config MIPS_SPRAM 1357 bool 1358 1359config SWAP_IO_SPACE 1360 bool 1361 1362config SGI_HAS_INDYDOG 1363 bool 1364 1365config SGI_HAS_HAL2 1366 bool 1367 1368config SGI_HAS_SEEQ 1369 bool 1370 1371config SGI_HAS_WD93 1372 bool 1373 1374config SGI_HAS_ZILOG 1375 bool 1376 1377config SGI_HAS_I8042 1378 bool 1379 1380config DEFAULT_SGI_PARTITION 1381 bool 1382 1383config FW_ARC32 1384 bool 1385 1386config FW_SNIPROM 1387 bool 1388 1389config BOOT_ELF32 1390 bool 1391 1392config MIPS_L1_CACHE_SHIFT_4 1393 bool 1394 1395config MIPS_L1_CACHE_SHIFT_5 1396 bool 1397 1398config MIPS_L1_CACHE_SHIFT_6 1399 bool 1400 1401config MIPS_L1_CACHE_SHIFT_7 1402 bool 1403 1404config MIPS_L1_CACHE_SHIFT 1405 int 1406 default "7" if MIPS_L1_CACHE_SHIFT_7 1407 default "6" if MIPS_L1_CACHE_SHIFT_6 1408 default "5" if MIPS_L1_CACHE_SHIFT_5 1409 default "4" if MIPS_L1_CACHE_SHIFT_4 1410 default "5" 1411 1412config HAVE_STD_PC_SERIAL_PORT 1413 bool 1414 1415config ARC_CMDLINE_ONLY 1416 bool 1417 1418config ARC_CONSOLE 1419 bool "ARC console support" 1420 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1421 1422config ARC_MEMORY 1423 bool 1424 1425config ARC_PROMLIB 1426 bool 1427 1428config FW_ARC64 1429 bool 1430 1431config BOOT_ELF64 1432 bool 1433 1434menu "CPU selection" 1435 1436choice 1437 prompt "CPU type" 1438 default CPU_R4X00 1439 1440config CPU_LOONGSON64 1441 bool "Loongson 64-bit CPU" 1442 depends on SYS_HAS_CPU_LOONGSON64 1443 select ARCH_HAS_PHYS_TO_DMA 1444 select CPU_SUPPORTS_64BIT_KERNEL 1445 select CPU_SUPPORTS_HIGHMEM 1446 select CPU_SUPPORTS_HUGEPAGES 1447 select CPU_SUPPORTS_MSA 1448 select CPU_HAS_LOAD_STORE_LR 1449 select WEAK_ORDERING 1450 select WEAK_REORDERING_BEYOND_LLSC 1451 select MIPS_ASID_BITS_VARIABLE 1452 select MIPS_PGD_C0_CONTEXT 1453 select MIPS_L1_CACHE_SHIFT_6 1454 select GPIOLIB 1455 select SWIOTLB 1456 help 1457 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1458 cores implements the MIPS64R2 instruction set with many extensions, 1459 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1460 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1461 Loongson-2E/2F is not covered here and will be removed in future. 1462 1463config LOONGSON3_ENHANCEMENT 1464 bool "New Loongson-3 CPU Enhancements" 1465 default n 1466 select CPU_MIPSR2 1467 select CPU_HAS_PREFETCH 1468 depends on CPU_LOONGSON64 1469 help 1470 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 1471 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1472 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 1473 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 1474 Fast TLB refill support, etc. 1475 1476 This option enable those enhancements which are not probed at run 1477 time. If you want a generic kernel to run on all Loongson 3 machines, 1478 please say 'N' here. If you want a high-performance kernel to run on 1479 new Loongson-3 machines only, please say 'Y' here. 1480 1481config CPU_LOONGSON3_WORKAROUNDS 1482 bool "Old Loongson-3 LLSC Workarounds" 1483 default y if SMP 1484 depends on CPU_LOONGSON64 1485 help 1486 Loongson-3 processors have the llsc issues which require workarounds. 1487 Without workarounds the system may hang unexpectedly. 1488 1489 Newer Loongson-3 will fix these issues and no workarounds are needed. 1490 The workarounds have no significant side effect on them but may 1491 decrease the performance of the system so this option should be 1492 disabled unless the kernel is intended to be run on old systems. 1493 1494 If unsure, please say Y. 1495 1496config CPU_LOONGSON2E 1497 bool "Loongson 2E" 1498 depends on SYS_HAS_CPU_LOONGSON2E 1499 select CPU_LOONGSON2EF 1500 help 1501 The Loongson 2E processor implements the MIPS III instruction set 1502 with many extensions. 1503 1504 It has an internal FPGA northbridge, which is compatible to 1505 bonito64. 1506 1507config CPU_LOONGSON2F 1508 bool "Loongson 2F" 1509 depends on SYS_HAS_CPU_LOONGSON2F 1510 select CPU_LOONGSON2EF 1511 select GPIOLIB 1512 help 1513 The Loongson 2F processor implements the MIPS III instruction set 1514 with many extensions. 1515 1516 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1517 have a similar programming interface with FPGA northbridge used in 1518 Loongson2E. 1519 1520config CPU_LOONGSON1B 1521 bool "Loongson 1B" 1522 depends on SYS_HAS_CPU_LOONGSON1B 1523 select CPU_LOONGSON32 1524 select LEDS_GPIO_REGISTER 1525 help 1526 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1527 Release 1 instruction set and part of the MIPS32 Release 2 1528 instruction set. 1529 1530config CPU_LOONGSON1C 1531 bool "Loongson 1C" 1532 depends on SYS_HAS_CPU_LOONGSON1C 1533 select CPU_LOONGSON32 1534 select LEDS_GPIO_REGISTER 1535 help 1536 The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1537 Release 1 instruction set and part of the MIPS32 Release 2 1538 instruction set. 1539 1540config CPU_MIPS32_R1 1541 bool "MIPS32 Release 1" 1542 depends on SYS_HAS_CPU_MIPS32_R1 1543 select CPU_HAS_PREFETCH 1544 select CPU_HAS_LOAD_STORE_LR 1545 select CPU_SUPPORTS_32BIT_KERNEL 1546 select CPU_SUPPORTS_HIGHMEM 1547 help 1548 Choose this option to build a kernel for release 1 or later of the 1549 MIPS32 architecture. Most modern embedded systems with a 32-bit 1550 MIPS processor are based on a MIPS32 processor. If you know the 1551 specific type of processor in your system, choose those that one 1552 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1553 Release 2 of the MIPS32 architecture is available since several 1554 years so chances are you even have a MIPS32 Release 2 processor 1555 in which case you should choose CPU_MIPS32_R2 instead for better 1556 performance. 1557 1558config CPU_MIPS32_R2 1559 bool "MIPS32 Release 2" 1560 depends on SYS_HAS_CPU_MIPS32_R2 1561 select CPU_HAS_PREFETCH 1562 select CPU_HAS_LOAD_STORE_LR 1563 select CPU_SUPPORTS_32BIT_KERNEL 1564 select CPU_SUPPORTS_HIGHMEM 1565 select CPU_SUPPORTS_MSA 1566 select HAVE_KVM 1567 help 1568 Choose this option to build a kernel for release 2 or later of the 1569 MIPS32 architecture. Most modern embedded systems with a 32-bit 1570 MIPS processor are based on a MIPS32 processor. If you know the 1571 specific type of processor in your system, choose those that one 1572 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1573 1574config CPU_MIPS32_R6 1575 bool "MIPS32 Release 6" 1576 depends on SYS_HAS_CPU_MIPS32_R6 1577 select CPU_HAS_PREFETCH 1578 select CPU_SUPPORTS_32BIT_KERNEL 1579 select CPU_SUPPORTS_HIGHMEM 1580 select CPU_SUPPORTS_MSA 1581 select HAVE_KVM 1582 select MIPS_O32_FP64_SUPPORT 1583 help 1584 Choose this option to build a kernel for release 6 or later of the 1585 MIPS32 architecture. New MIPS processors, starting with the Warrior 1586 family, are based on a MIPS32r6 processor. If you own an older 1587 processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1588 1589config CPU_MIPS64_R1 1590 bool "MIPS64 Release 1" 1591 depends on SYS_HAS_CPU_MIPS64_R1 1592 select CPU_HAS_PREFETCH 1593 select CPU_HAS_LOAD_STORE_LR 1594 select CPU_SUPPORTS_32BIT_KERNEL 1595 select CPU_SUPPORTS_64BIT_KERNEL 1596 select CPU_SUPPORTS_HIGHMEM 1597 select CPU_SUPPORTS_HUGEPAGES 1598 help 1599 Choose this option to build a kernel for release 1 or later of the 1600 MIPS64 architecture. Many modern embedded systems with a 64-bit 1601 MIPS processor are based on a MIPS64 processor. If you know the 1602 specific type of processor in your system, choose those that one 1603 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1604 Release 2 of the MIPS64 architecture is available since several 1605 years so chances are you even have a MIPS64 Release 2 processor 1606 in which case you should choose CPU_MIPS64_R2 instead for better 1607 performance. 1608 1609config CPU_MIPS64_R2 1610 bool "MIPS64 Release 2" 1611 depends on SYS_HAS_CPU_MIPS64_R2 1612 select CPU_HAS_PREFETCH 1613 select CPU_HAS_LOAD_STORE_LR 1614 select CPU_SUPPORTS_32BIT_KERNEL 1615 select CPU_SUPPORTS_64BIT_KERNEL 1616 select CPU_SUPPORTS_HIGHMEM 1617 select CPU_SUPPORTS_HUGEPAGES 1618 select CPU_SUPPORTS_MSA 1619 select HAVE_KVM 1620 help 1621 Choose this option to build a kernel for release 2 or later of the 1622 MIPS64 architecture. Many modern embedded systems with a 64-bit 1623 MIPS processor are based on a MIPS64 processor. If you know the 1624 specific type of processor in your system, choose those that one 1625 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1626 1627config CPU_MIPS64_R6 1628 bool "MIPS64 Release 6" 1629 depends on SYS_HAS_CPU_MIPS64_R6 1630 select CPU_HAS_PREFETCH 1631 select CPU_SUPPORTS_32BIT_KERNEL 1632 select CPU_SUPPORTS_64BIT_KERNEL 1633 select CPU_SUPPORTS_HIGHMEM 1634 select CPU_SUPPORTS_HUGEPAGES 1635 select CPU_SUPPORTS_MSA 1636 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1637 select HAVE_KVM 1638 help 1639 Choose this option to build a kernel for release 6 or later of the 1640 MIPS64 architecture. New MIPS processors, starting with the Warrior 1641 family, are based on a MIPS64r6 processor. If you own an older 1642 processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 1643 1644config CPU_R3000 1645 bool "R3000" 1646 depends on SYS_HAS_CPU_R3000 1647 select CPU_HAS_WB 1648 select CPU_HAS_LOAD_STORE_LR 1649 select CPU_R3K_TLB 1650 select CPU_SUPPORTS_32BIT_KERNEL 1651 select CPU_SUPPORTS_HIGHMEM 1652 help 1653 Please make sure to pick the right CPU type. Linux/MIPS is not 1654 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1655 *not* work on R4000 machines and vice versa. However, since most 1656 of the supported machines have an R4000 (or similar) CPU, R4x00 1657 might be a safe bet. If the resulting kernel does not work, 1658 try to recompile with R3000. 1659 1660config CPU_TX39XX 1661 bool "R39XX" 1662 depends on SYS_HAS_CPU_TX39XX 1663 select CPU_SUPPORTS_32BIT_KERNEL 1664 select CPU_HAS_LOAD_STORE_LR 1665 select CPU_R3K_TLB 1666 1667config CPU_VR41XX 1668 bool "R41xx" 1669 depends on SYS_HAS_CPU_VR41XX 1670 select CPU_SUPPORTS_32BIT_KERNEL 1671 select CPU_SUPPORTS_64BIT_KERNEL 1672 select CPU_HAS_LOAD_STORE_LR 1673 help 1674 The options selects support for the NEC VR4100 series of processors. 1675 Only choose this option if you have one of these processors as a 1676 kernel built with this option will not run on any other type of 1677 processor or vice versa. 1678 1679config CPU_R4X00 1680 bool "R4x00" 1681 depends on SYS_HAS_CPU_R4X00 1682 select CPU_SUPPORTS_32BIT_KERNEL 1683 select CPU_SUPPORTS_64BIT_KERNEL 1684 select CPU_SUPPORTS_HUGEPAGES 1685 select CPU_HAS_LOAD_STORE_LR 1686 help 1687 MIPS Technologies R4000-series processors other than 4300, including 1688 the R4000, R4400, R4600, and 4700. 1689 1690config CPU_TX49XX 1691 bool "R49XX" 1692 depends on SYS_HAS_CPU_TX49XX 1693 select CPU_HAS_PREFETCH 1694 select CPU_HAS_LOAD_STORE_LR 1695 select CPU_SUPPORTS_32BIT_KERNEL 1696 select CPU_SUPPORTS_64BIT_KERNEL 1697 select CPU_SUPPORTS_HUGEPAGES 1698 1699config CPU_R5000 1700 bool "R5000" 1701 depends on SYS_HAS_CPU_R5000 1702 select CPU_SUPPORTS_32BIT_KERNEL 1703 select CPU_SUPPORTS_64BIT_KERNEL 1704 select CPU_SUPPORTS_HUGEPAGES 1705 select CPU_HAS_LOAD_STORE_LR 1706 help 1707 MIPS Technologies R5000-series processors other than the Nevada. 1708 1709config CPU_R5500 1710 bool "R5500" 1711 depends on SYS_HAS_CPU_R5500 1712 select CPU_SUPPORTS_32BIT_KERNEL 1713 select CPU_SUPPORTS_64BIT_KERNEL 1714 select CPU_SUPPORTS_HUGEPAGES 1715 select CPU_HAS_LOAD_STORE_LR 1716 help 1717 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1718 instruction set. 1719 1720config CPU_NEVADA 1721 bool "RM52xx" 1722 depends on SYS_HAS_CPU_NEVADA 1723 select CPU_SUPPORTS_32BIT_KERNEL 1724 select CPU_SUPPORTS_64BIT_KERNEL 1725 select CPU_SUPPORTS_HUGEPAGES 1726 select CPU_HAS_LOAD_STORE_LR 1727 help 1728 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1729 1730config CPU_R10000 1731 bool "R10000" 1732 depends on SYS_HAS_CPU_R10000 1733 select CPU_HAS_PREFETCH 1734 select CPU_HAS_LOAD_STORE_LR 1735 select CPU_SUPPORTS_32BIT_KERNEL 1736 select CPU_SUPPORTS_64BIT_KERNEL 1737 select CPU_SUPPORTS_HIGHMEM 1738 select CPU_SUPPORTS_HUGEPAGES 1739 help 1740 MIPS Technologies R10000-series processors. 1741 1742config CPU_RM7000 1743 bool "RM7000" 1744 depends on SYS_HAS_CPU_RM7000 1745 select CPU_HAS_PREFETCH 1746 select CPU_HAS_LOAD_STORE_LR 1747 select CPU_SUPPORTS_32BIT_KERNEL 1748 select CPU_SUPPORTS_64BIT_KERNEL 1749 select CPU_SUPPORTS_HIGHMEM 1750 select CPU_SUPPORTS_HUGEPAGES 1751 1752config CPU_SB1 1753 bool "SB1" 1754 depends on SYS_HAS_CPU_SB1 1755 select CPU_HAS_LOAD_STORE_LR 1756 select CPU_SUPPORTS_32BIT_KERNEL 1757 select CPU_SUPPORTS_64BIT_KERNEL 1758 select CPU_SUPPORTS_HIGHMEM 1759 select CPU_SUPPORTS_HUGEPAGES 1760 select WEAK_ORDERING 1761 1762config CPU_CAVIUM_OCTEON 1763 bool "Cavium Octeon processor" 1764 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1765 select CPU_HAS_PREFETCH 1766 select CPU_HAS_LOAD_STORE_LR 1767 select CPU_SUPPORTS_64BIT_KERNEL 1768 select WEAK_ORDERING 1769 select CPU_SUPPORTS_HIGHMEM 1770 select CPU_SUPPORTS_HUGEPAGES 1771 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1772 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1773 select MIPS_L1_CACHE_SHIFT_7 1774 select HAVE_KVM 1775 help 1776 The Cavium Octeon processor is a highly integrated chip containing 1777 many ethernet hardware widgets for networking tasks. The processor 1778 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1779 Full details can be found at http://www.caviumnetworks.com. 1780 1781config CPU_BMIPS 1782 bool "Broadcom BMIPS" 1783 depends on SYS_HAS_CPU_BMIPS 1784 select CPU_MIPS32 1785 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1786 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1787 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1788 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1789 select CPU_SUPPORTS_32BIT_KERNEL 1790 select DMA_NONCOHERENT 1791 select IRQ_MIPS_CPU 1792 select SWAP_IO_SPACE 1793 select WEAK_ORDERING 1794 select CPU_SUPPORTS_HIGHMEM 1795 select CPU_HAS_PREFETCH 1796 select CPU_HAS_LOAD_STORE_LR 1797 select CPU_SUPPORTS_CPUFREQ 1798 select MIPS_EXTERNAL_TIMER 1799 help 1800 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1801 1802config CPU_XLR 1803 bool "Netlogic XLR SoC" 1804 depends on SYS_HAS_CPU_XLR 1805 select CPU_HAS_LOAD_STORE_LR 1806 select CPU_SUPPORTS_32BIT_KERNEL 1807 select CPU_SUPPORTS_64BIT_KERNEL 1808 select CPU_SUPPORTS_HIGHMEM 1809 select CPU_SUPPORTS_HUGEPAGES 1810 select WEAK_ORDERING 1811 select WEAK_REORDERING_BEYOND_LLSC 1812 help 1813 Netlogic Microsystems XLR/XLS processors. 1814 1815config CPU_XLP 1816 bool "Netlogic XLP SoC" 1817 depends on SYS_HAS_CPU_XLP 1818 select CPU_SUPPORTS_32BIT_KERNEL 1819 select CPU_SUPPORTS_64BIT_KERNEL 1820 select CPU_SUPPORTS_HIGHMEM 1821 select WEAK_ORDERING 1822 select WEAK_REORDERING_BEYOND_LLSC 1823 select CPU_HAS_PREFETCH 1824 select CPU_HAS_LOAD_STORE_LR 1825 select CPU_MIPSR2 1826 select CPU_SUPPORTS_HUGEPAGES 1827 select MIPS_ASID_BITS_VARIABLE 1828 help 1829 Netlogic Microsystems XLP processors. 1830endchoice 1831 1832config CPU_MIPS32_3_5_FEATURES 1833 bool "MIPS32 Release 3.5 Features" 1834 depends on SYS_HAS_CPU_MIPS32_R3_5 1835 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1836 help 1837 Choose this option to build a kernel for release 2 or later of the 1838 MIPS32 architecture including features from the 3.5 release such as 1839 support for Enhanced Virtual Addressing (EVA). 1840 1841config CPU_MIPS32_3_5_EVA 1842 bool "Enhanced Virtual Addressing (EVA)" 1843 depends on CPU_MIPS32_3_5_FEATURES 1844 select EVA 1845 default y 1846 help 1847 Choose this option if you want to enable the Enhanced Virtual 1848 Addressing (EVA) on your MIPS32 core (such as proAptiv). 1849 One of its primary benefits is an increase in the maximum size 1850 of lowmem (up to 3GB). If unsure, say 'N' here. 1851 1852config CPU_MIPS32_R5_FEATURES 1853 bool "MIPS32 Release 5 Features" 1854 depends on SYS_HAS_CPU_MIPS32_R5 1855 depends on CPU_MIPS32_R2 1856 help 1857 Choose this option to build a kernel for release 2 or later of the 1858 MIPS32 architecture including features from release 5 such as 1859 support for Extended Physical Addressing (XPA). 1860 1861config CPU_MIPS32_R5_XPA 1862 bool "Extended Physical Addressing (XPA)" 1863 depends on CPU_MIPS32_R5_FEATURES 1864 depends on !EVA 1865 depends on !PAGE_SIZE_4KB 1866 depends on SYS_SUPPORTS_HIGHMEM 1867 select XPA 1868 select HIGHMEM 1869 select PHYS_ADDR_T_64BIT 1870 default n 1871 help 1872 Choose this option if you want to enable the Extended Physical 1873 Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1874 benefit is to increase physical addressing equal to or greater 1875 than 40 bits. Note that this has the side effect of turning on 1876 64-bit addressing which in turn makes the PTEs 64-bit in size. 1877 If unsure, say 'N' here. 1878 1879if CPU_LOONGSON2F 1880config CPU_NOP_WORKAROUNDS 1881 bool 1882 1883config CPU_JUMP_WORKAROUNDS 1884 bool 1885 1886config CPU_LOONGSON2F_WORKAROUNDS 1887 bool "Loongson 2F Workarounds" 1888 default y 1889 select CPU_NOP_WORKAROUNDS 1890 select CPU_JUMP_WORKAROUNDS 1891 help 1892 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1893 require workarounds. Without workarounds the system may hang 1894 unexpectedly. For more information please refer to the gas 1895 -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1896 1897 Loongson 2F03 and later have fixed these issues and no workarounds 1898 are needed. The workarounds have no significant side effect on them 1899 but may decrease the performance of the system so this option should 1900 be disabled unless the kernel is intended to be run on 2F01 or 2F02 1901 systems. 1902 1903 If unsure, please say Y. 1904endif # CPU_LOONGSON2F 1905 1906config SYS_SUPPORTS_ZBOOT 1907 bool 1908 select HAVE_KERNEL_GZIP 1909 select HAVE_KERNEL_BZIP2 1910 select HAVE_KERNEL_LZ4 1911 select HAVE_KERNEL_LZMA 1912 select HAVE_KERNEL_LZO 1913 select HAVE_KERNEL_XZ 1914 1915config SYS_SUPPORTS_ZBOOT_UART16550 1916 bool 1917 select SYS_SUPPORTS_ZBOOT 1918 1919config SYS_SUPPORTS_ZBOOT_UART_PROM 1920 bool 1921 select SYS_SUPPORTS_ZBOOT 1922 1923config CPU_LOONGSON2EF 1924 bool 1925 select CPU_SUPPORTS_32BIT_KERNEL 1926 select CPU_SUPPORTS_64BIT_KERNEL 1927 select CPU_SUPPORTS_HIGHMEM 1928 select CPU_SUPPORTS_HUGEPAGES 1929 select ARCH_HAS_PHYS_TO_DMA 1930 select CPU_HAS_LOAD_STORE_LR 1931 1932config CPU_LOONGSON32 1933 bool 1934 select CPU_MIPS32 1935 select CPU_MIPSR2 1936 select CPU_HAS_PREFETCH 1937 select CPU_HAS_LOAD_STORE_LR 1938 select CPU_SUPPORTS_32BIT_KERNEL 1939 select CPU_SUPPORTS_HIGHMEM 1940 select CPU_SUPPORTS_CPUFREQ 1941 1942config CPU_BMIPS32_3300 1943 select SMP_UP if SMP 1944 bool 1945 1946config CPU_BMIPS4350 1947 bool 1948 select SYS_SUPPORTS_SMP 1949 select SYS_SUPPORTS_HOTPLUG_CPU 1950 1951config CPU_BMIPS4380 1952 bool 1953 select MIPS_L1_CACHE_SHIFT_6 1954 select SYS_SUPPORTS_SMP 1955 select SYS_SUPPORTS_HOTPLUG_CPU 1956 select CPU_HAS_RIXI 1957 1958config CPU_BMIPS5000 1959 bool 1960 select MIPS_CPU_SCACHE 1961 select MIPS_L1_CACHE_SHIFT_7 1962 select SYS_SUPPORTS_SMP 1963 select SYS_SUPPORTS_HOTPLUG_CPU 1964 select CPU_HAS_RIXI 1965 1966config SYS_HAS_CPU_LOONGSON64 1967 bool 1968 select CPU_SUPPORTS_CPUFREQ 1969 select CPU_HAS_RIXI 1970 1971config SYS_HAS_CPU_LOONGSON2E 1972 bool 1973 1974config SYS_HAS_CPU_LOONGSON2F 1975 bool 1976 select CPU_SUPPORTS_CPUFREQ 1977 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1978 1979config SYS_HAS_CPU_LOONGSON1B 1980 bool 1981 1982config SYS_HAS_CPU_LOONGSON1C 1983 bool 1984 1985config SYS_HAS_CPU_MIPS32_R1 1986 bool 1987 1988config SYS_HAS_CPU_MIPS32_R2 1989 bool 1990 1991config SYS_HAS_CPU_MIPS32_R3_5 1992 bool 1993 1994config SYS_HAS_CPU_MIPS32_R5 1995 bool 1996 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1997 1998config SYS_HAS_CPU_MIPS32_R6 1999 bool 2000 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2001 2002config SYS_HAS_CPU_MIPS64_R1 2003 bool 2004 2005config SYS_HAS_CPU_MIPS64_R2 2006 bool 2007 2008config SYS_HAS_CPU_MIPS64_R6 2009 bool 2010 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2011 2012config SYS_HAS_CPU_R3000 2013 bool 2014 2015config SYS_HAS_CPU_TX39XX 2016 bool 2017 2018config SYS_HAS_CPU_VR41XX 2019 bool 2020 2021config SYS_HAS_CPU_R4X00 2022 bool 2023 2024config SYS_HAS_CPU_TX49XX 2025 bool 2026 2027config SYS_HAS_CPU_R5000 2028 bool 2029 2030config SYS_HAS_CPU_R5500 2031 bool 2032 2033config SYS_HAS_CPU_NEVADA 2034 bool 2035 2036config SYS_HAS_CPU_R10000 2037 bool 2038 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2039 2040config SYS_HAS_CPU_RM7000 2041 bool 2042 2043config SYS_HAS_CPU_SB1 2044 bool 2045 2046config SYS_HAS_CPU_CAVIUM_OCTEON 2047 bool 2048 2049config SYS_HAS_CPU_BMIPS 2050 bool 2051 2052config SYS_HAS_CPU_BMIPS32_3300 2053 bool 2054 select SYS_HAS_CPU_BMIPS 2055 2056config SYS_HAS_CPU_BMIPS4350 2057 bool 2058 select SYS_HAS_CPU_BMIPS 2059 2060config SYS_HAS_CPU_BMIPS4380 2061 bool 2062 select SYS_HAS_CPU_BMIPS 2063 2064config SYS_HAS_CPU_BMIPS5000 2065 bool 2066 select SYS_HAS_CPU_BMIPS 2067 select ARCH_HAS_SYNC_DMA_FOR_CPU 2068 2069config SYS_HAS_CPU_XLR 2070 bool 2071 2072config SYS_HAS_CPU_XLP 2073 bool 2074 2075# 2076# CPU may reorder R->R, R->W, W->R, W->W 2077# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 2078# 2079config WEAK_ORDERING 2080 bool 2081 2082# 2083# CPU may reorder reads and writes beyond LL/SC 2084# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 2085# 2086config WEAK_REORDERING_BEYOND_LLSC 2087 bool 2088endmenu 2089 2090# 2091# These two indicate any level of the MIPS32 and MIPS64 architecture 2092# 2093config CPU_MIPS32 2094 bool 2095 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 2096 2097config CPU_MIPS64 2098 bool 2099 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 2100 2101# 2102# These indicate the revision of the architecture 2103# 2104config CPU_MIPSR1 2105 bool 2106 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 2107 2108config CPU_MIPSR2 2109 bool 2110 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 2111 select CPU_HAS_RIXI 2112 select MIPS_SPRAM 2113 2114config CPU_MIPSR6 2115 bool 2116 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 2117 select CPU_HAS_RIXI 2118 select HAVE_ARCH_BITREVERSE 2119 select MIPS_ASID_BITS_VARIABLE 2120 select MIPS_CRC_SUPPORT 2121 select MIPS_SPRAM 2122 2123config TARGET_ISA_REV 2124 int 2125 default 1 if CPU_MIPSR1 2126 default 2 if CPU_MIPSR2 2127 default 6 if CPU_MIPSR6 2128 default 0 2129 help 2130 Reflects the ISA revision being targeted by the kernel build. This 2131 is effectively the Kconfig equivalent of MIPS_ISA_REV. 2132 2133config EVA 2134 bool 2135 2136config XPA 2137 bool 2138 2139config SYS_SUPPORTS_32BIT_KERNEL 2140 bool 2141config SYS_SUPPORTS_64BIT_KERNEL 2142 bool 2143config CPU_SUPPORTS_32BIT_KERNEL 2144 bool 2145config CPU_SUPPORTS_64BIT_KERNEL 2146 bool 2147config CPU_SUPPORTS_CPUFREQ 2148 bool 2149config CPU_SUPPORTS_ADDRWINCFG 2150 bool 2151config CPU_SUPPORTS_HUGEPAGES 2152 bool 2153 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 2154config MIPS_PGD_C0_CONTEXT 2155 bool 2156 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 2157 2158# 2159# Set to y for ptrace access to watch registers. 2160# 2161config HARDWARE_WATCHPOINTS 2162 bool 2163 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 2164 2165menu "Kernel type" 2166 2167choice 2168 prompt "Kernel code model" 2169 help 2170 You should only select this option if you have a workload that 2171 actually benefits from 64-bit processing or if your machine has 2172 large memory. You will only be presented a single option in this 2173 menu if your system does not support both 32-bit and 64-bit kernels. 2174 2175config 32BIT 2176 bool "32-bit kernel" 2177 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2178 select TRAD_SIGNALS 2179 help 2180 Select this option if you want to build a 32-bit kernel. 2181 2182config 64BIT 2183 bool "64-bit kernel" 2184 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 2185 help 2186 Select this option if you want to build a 64-bit kernel. 2187 2188endchoice 2189 2190config KVM_GUEST 2191 bool "KVM Guest Kernel" 2192 depends on BROKEN_ON_SMP 2193 help 2194 Select this option if building a guest kernel for KVM (Trap & Emulate) 2195 mode. 2196 2197config KVM_GUEST_TIMER_FREQ 2198 int "Count/Compare Timer Frequency (MHz)" 2199 depends on KVM_GUEST 2200 default 100 2201 help 2202 Set this to non-zero if building a guest kernel for KVM to skip RTC 2203 emulation when determining guest CPU Frequency. Instead, the guest's 2204 timer frequency is specified directly. 2205 2206config MIPS_VA_BITS_48 2207 bool "48 bits virtual memory" 2208 depends on 64BIT 2209 help 2210 Support a maximum at least 48 bits of application virtual 2211 memory. Default is 40 bits or less, depending on the CPU. 2212 For page sizes 16k and above, this option results in a small 2213 memory overhead for page tables. For 4k page size, a fourth 2214 level of page tables is added which imposes both a memory 2215 overhead as well as slower TLB fault handling. 2216 2217 If unsure, say N. 2218 2219choice 2220 prompt "Kernel page size" 2221 default PAGE_SIZE_4KB 2222 2223config PAGE_SIZE_4KB 2224 bool "4kB" 2225 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 2226 help 2227 This option select the standard 4kB Linux page size. On some 2228 R3000-family processors this is the only available page size. Using 2229 4kB page size will minimize memory consumption and is therefore 2230 recommended for low memory systems. 2231 2232config PAGE_SIZE_8KB 2233 bool "8kB" 2234 depends on CPU_CAVIUM_OCTEON 2235 depends on !MIPS_VA_BITS_48 2236 help 2237 Using 8kB page size will result in higher performance kernel at 2238 the price of higher memory consumption. This option is available 2239 only on cnMIPS processors. Note that you will need a suitable Linux 2240 distribution to support this. 2241 2242config PAGE_SIZE_16KB 2243 bool "16kB" 2244 depends on !CPU_R3000 && !CPU_TX39XX 2245 help 2246 Using 16kB page size will result in higher performance kernel at 2247 the price of higher memory consumption. This option is available on 2248 all non-R3000 family processors. Note that you will need a suitable 2249 Linux distribution to support this. 2250 2251config PAGE_SIZE_32KB 2252 bool "32kB" 2253 depends on CPU_CAVIUM_OCTEON 2254 depends on !MIPS_VA_BITS_48 2255 help 2256 Using 32kB page size will result in higher performance kernel at 2257 the price of higher memory consumption. This option is available 2258 only on cnMIPS cores. Note that you will need a suitable Linux 2259 distribution to support this. 2260 2261config PAGE_SIZE_64KB 2262 bool "64kB" 2263 depends on !CPU_R3000 && !CPU_TX39XX 2264 help 2265 Using 64kB page size will result in higher performance kernel at 2266 the price of higher memory consumption. This option is available on 2267 all non-R3000 family processor. Not that at the time of this 2268 writing this option is still high experimental. 2269 2270endchoice 2271 2272config FORCE_MAX_ZONEORDER 2273 int "Maximum zone order" 2274 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2275 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2276 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2277 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2278 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2279 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2280 range 11 64 2281 default "11" 2282 help 2283 The kernel memory allocator divides physically contiguous memory 2284 blocks into "zones", where each zone is a power of two number of 2285 pages. This option selects the largest power of two that the kernel 2286 keeps in the memory allocator. If you need to allocate very large 2287 blocks of physically contiguous memory, then you may need to 2288 increase this value. 2289 2290 This config option is actually maximum order plus one. For example, 2291 a value of 11 means that the largest free memory block is 2^10 pages. 2292 2293 The page size is not necessarily 4KB. Keep this in mind 2294 when choosing a value for this option. 2295 2296config BOARD_SCACHE 2297 bool 2298 2299config IP22_CPU_SCACHE 2300 bool 2301 select BOARD_SCACHE 2302 2303# 2304# Support for a MIPS32 / MIPS64 style S-caches 2305# 2306config MIPS_CPU_SCACHE 2307 bool 2308 select BOARD_SCACHE 2309 2310config R5000_CPU_SCACHE 2311 bool 2312 select BOARD_SCACHE 2313 2314config RM7000_CPU_SCACHE 2315 bool 2316 select BOARD_SCACHE 2317 2318config SIBYTE_DMA_PAGEOPS 2319 bool "Use DMA to clear/copy pages" 2320 depends on CPU_SB1 2321 help 2322 Instead of using the CPU to zero and copy pages, use a Data Mover 2323 channel. These DMA channels are otherwise unused by the standard 2324 SiByte Linux port. Seems to give a small performance benefit. 2325 2326config CPU_HAS_PREFETCH 2327 bool 2328 2329config CPU_GENERIC_DUMP_TLB 2330 bool 2331 default y if !(CPU_R3000 || CPU_TX39XX) 2332 2333config MIPS_FP_SUPPORT 2334 bool "Floating Point support" if EXPERT 2335 default y 2336 help 2337 Select y to include support for floating point in the kernel 2338 including initialization of FPU hardware, FP context save & restore 2339 and emulation of an FPU where necessary. Without this support any 2340 userland program attempting to use floating point instructions will 2341 receive a SIGILL. 2342 2343 If you know that your userland will not attempt to use floating point 2344 instructions then you can say n here to shrink the kernel a little. 2345 2346 If unsure, say y. 2347 2348config CPU_R2300_FPU 2349 bool 2350 depends on MIPS_FP_SUPPORT 2351 default y if CPU_R3000 || CPU_TX39XX 2352 2353config CPU_R3K_TLB 2354 bool 2355 2356config CPU_R4K_FPU 2357 bool 2358 depends on MIPS_FP_SUPPORT 2359 default y if !CPU_R2300_FPU 2360 2361config CPU_R4K_CACHE_TLB 2362 bool 2363 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 2364 2365config MIPS_MT_SMP 2366 bool "MIPS MT SMP support (1 TC on each available VPE)" 2367 default y 2368 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 2369 select CPU_MIPSR2_IRQ_VI 2370 select CPU_MIPSR2_IRQ_EI 2371 select SYNC_R4K 2372 select MIPS_MT 2373 select SMP 2374 select SMP_UP 2375 select SYS_SUPPORTS_SMP 2376 select SYS_SUPPORTS_SCHED_SMT 2377 select MIPS_PERF_SHARED_TC_COUNTERS 2378 help 2379 This is a kernel model which is known as SMVP. This is supported 2380 on cores with the MT ASE and uses the available VPEs to implement 2381 virtual processors which supports SMP. This is equivalent to the 2382 Intel Hyperthreading feature. For further information go to 2383 <http://www.imgtec.com/mips/mips-multithreading.asp>. 2384 2385config MIPS_MT 2386 bool 2387 2388config SCHED_SMT 2389 bool "SMT (multithreading) scheduler support" 2390 depends on SYS_SUPPORTS_SCHED_SMT 2391 default n 2392 help 2393 SMT scheduler support improves the CPU scheduler's decision making 2394 when dealing with MIPS MT enabled cores at a cost of slightly 2395 increased overhead in some places. If unsure say N here. 2396 2397config SYS_SUPPORTS_SCHED_SMT 2398 bool 2399 2400config SYS_SUPPORTS_MULTITHREADING 2401 bool 2402 2403config MIPS_MT_FPAFF 2404 bool "Dynamic FPU affinity for FP-intensive threads" 2405 default y 2406 depends on MIPS_MT_SMP 2407 2408config MIPSR2_TO_R6_EMULATOR 2409 bool "MIPS R2-to-R6 emulator" 2410 depends on CPU_MIPSR6 2411 depends on MIPS_FP_SUPPORT 2412 default y 2413 help 2414 Choose this option if you want to run non-R6 MIPS userland code. 2415 Even if you say 'Y' here, the emulator will still be disabled by 2416 default. You can enable it using the 'mipsr2emu' kernel option. 2417 The only reason this is a build-time option is to save ~14K from the 2418 final kernel image. 2419 2420config SYS_SUPPORTS_VPE_LOADER 2421 bool 2422 depends on SYS_SUPPORTS_MULTITHREADING 2423 help 2424 Indicates that the platform supports the VPE loader, and provides 2425 physical_memsize. 2426 2427config MIPS_VPE_LOADER 2428 bool "VPE loader support." 2429 depends on SYS_SUPPORTS_VPE_LOADER && MODULES 2430 select CPU_MIPSR2_IRQ_VI 2431 select CPU_MIPSR2_IRQ_EI 2432 select MIPS_MT 2433 help 2434 Includes a loader for loading an elf relocatable object 2435 onto another VPE and running it. 2436 2437config MIPS_VPE_LOADER_CMP 2438 bool 2439 default "y" 2440 depends on MIPS_VPE_LOADER && MIPS_CMP 2441 2442config MIPS_VPE_LOADER_MT 2443 bool 2444 default "y" 2445 depends on MIPS_VPE_LOADER && !MIPS_CMP 2446 2447config MIPS_VPE_LOADER_TOM 2448 bool "Load VPE program into memory hidden from linux" 2449 depends on MIPS_VPE_LOADER 2450 default y 2451 help 2452 The loader can use memory that is present but has been hidden from 2453 Linux using the kernel command line option "mem=xxMB". It's up to 2454 you to ensure the amount you put in the option and the space your 2455 program requires is less or equal to the amount physically present. 2456 2457config MIPS_VPE_APSP_API 2458 bool "Enable support for AP/SP API (RTLX)" 2459 depends on MIPS_VPE_LOADER 2460 2461config MIPS_VPE_APSP_API_CMP 2462 bool 2463 default "y" 2464 depends on MIPS_VPE_APSP_API && MIPS_CMP 2465 2466config MIPS_VPE_APSP_API_MT 2467 bool 2468 default "y" 2469 depends on MIPS_VPE_APSP_API && !MIPS_CMP 2470 2471config MIPS_CMP 2472 bool "MIPS CMP framework support (DEPRECATED)" 2473 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2474 select SMP 2475 select SYNC_R4K 2476 select SYS_SUPPORTS_SMP 2477 select WEAK_ORDERING 2478 default n 2479 help 2480 Select this if you are using a bootloader which implements the "CMP 2481 framework" protocol (ie. YAMON) and want your kernel to make use of 2482 its ability to start secondary CPUs. 2483 2484 Unless you have a specific need, you should use CONFIG_MIPS_CPS 2485 instead of this. 2486 2487config MIPS_CPS 2488 bool "MIPS Coherent Processing System support" 2489 depends on SYS_SUPPORTS_MIPS_CPS 2490 select MIPS_CM 2491 select MIPS_CPS_PM if HOTPLUG_CPU 2492 select SMP 2493 select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 2494 select SYS_SUPPORTS_HOTPLUG_CPU 2495 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 2496 select SYS_SUPPORTS_SMP 2497 select WEAK_ORDERING 2498 help 2499 Select this if you wish to run an SMP kernel across multiple cores 2500 within a MIPS Coherent Processing System. When this option is 2501 enabled the kernel will probe for other cores and boot them with 2502 no external assistance. It is safe to enable this when hardware 2503 support is unavailable. 2504 2505config MIPS_CPS_PM 2506 depends on MIPS_CPS 2507 bool 2508 2509config MIPS_CM 2510 bool 2511 select MIPS_CPC 2512 2513config MIPS_CPC 2514 bool 2515 2516config SB1_PASS_2_WORKAROUNDS 2517 bool 2518 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 2519 default y 2520 2521config SB1_PASS_2_1_WORKAROUNDS 2522 bool 2523 depends on CPU_SB1 && CPU_SB1_PASS_2 2524 default y 2525 2526choice 2527 prompt "SmartMIPS or microMIPS ASE support" 2528 2529config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2530 bool "None" 2531 help 2532 Select this if you want neither microMIPS nor SmartMIPS support 2533 2534config CPU_HAS_SMARTMIPS 2535 depends on SYS_SUPPORTS_SMARTMIPS 2536 bool "SmartMIPS" 2537 help 2538 SmartMIPS is a extension of the MIPS32 architecture aimed at 2539 increased security at both hardware and software level for 2540 smartcards. Enabling this option will allow proper use of the 2541 SmartMIPS instructions by Linux applications. However a kernel with 2542 this option will not work on a MIPS core without SmartMIPS core. If 2543 you don't know you probably don't have SmartMIPS and should say N 2544 here. 2545 2546config CPU_MICROMIPS 2547 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 2548 bool "microMIPS" 2549 help 2550 When this option is enabled the kernel will be built using the 2551 microMIPS ISA 2552 2553endchoice 2554 2555config CPU_HAS_MSA 2556 bool "Support for the MIPS SIMD Architecture" 2557 depends on CPU_SUPPORTS_MSA 2558 depends on MIPS_FP_SUPPORT 2559 depends on 64BIT || MIPS_O32_FP64_SUPPORT 2560 help 2561 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2562 and a set of SIMD instructions to operate on them. When this option 2563 is enabled the kernel will support allocating & switching MSA 2564 vector register contexts. If you know that your kernel will only be 2565 running on CPUs which do not support MSA or that your userland will 2566 not be making use of it then you may wish to say N here to reduce 2567 the size & complexity of your kernel. 2568 2569 If unsure, say Y. 2570 2571config CPU_HAS_WB 2572 bool 2573 2574config XKS01 2575 bool 2576 2577config CPU_HAS_RIXI 2578 bool 2579 2580config CPU_HAS_LOAD_STORE_LR 2581 bool 2582 help 2583 CPU has support for unaligned load and store instructions: 2584 LWL, LWR, SWL, SWR (Load/store word left/right). 2585 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2586 2587# 2588# Vectored interrupt mode is an R2 feature 2589# 2590config CPU_MIPSR2_IRQ_VI 2591 bool 2592 2593# 2594# Extended interrupt mode is an R2 feature 2595# 2596config CPU_MIPSR2_IRQ_EI 2597 bool 2598 2599config CPU_HAS_SYNC 2600 bool 2601 depends on !CPU_R3000 2602 default y 2603 2604# 2605# CPU non-features 2606# 2607config CPU_DADDI_WORKAROUNDS 2608 bool 2609 2610config CPU_R4000_WORKAROUNDS 2611 bool 2612 select CPU_R4400_WORKAROUNDS 2613 2614config CPU_R4400_WORKAROUNDS 2615 bool 2616 2617config CPU_R4X00_BUGS64 2618 bool 2619 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2620 2621config MIPS_ASID_SHIFT 2622 int 2623 default 6 if CPU_R3000 || CPU_TX39XX 2624 default 0 2625 2626config MIPS_ASID_BITS 2627 int 2628 default 0 if MIPS_ASID_BITS_VARIABLE 2629 default 6 if CPU_R3000 || CPU_TX39XX 2630 default 8 2631 2632config MIPS_ASID_BITS_VARIABLE 2633 bool 2634 2635config MIPS_CRC_SUPPORT 2636 bool 2637 2638# 2639# - Highmem only makes sense for the 32-bit kernel. 2640# - The current highmem code will only work properly on physically indexed 2641# caches such as R3000, SB1, R7000 or those that look like they're virtually 2642# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 2643# moment we protect the user and offer the highmem option only on machines 2644# where it's known to be safe. This will not offer highmem on a few systems 2645# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 2646# indexed CPUs but we're playing safe. 2647# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2648# know they might have memory configurations that could make use of highmem 2649# support. 2650# 2651config HIGHMEM 2652 bool "High Memory Support" 2653 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2654 2655config CPU_SUPPORTS_HIGHMEM 2656 bool 2657 2658config SYS_SUPPORTS_HIGHMEM 2659 bool 2660 2661config SYS_SUPPORTS_SMARTMIPS 2662 bool 2663 2664config SYS_SUPPORTS_MICROMIPS 2665 bool 2666 2667config SYS_SUPPORTS_MIPS16 2668 bool 2669 help 2670 This option must be set if a kernel might be executed on a MIPS16- 2671 enabled CPU even if MIPS16 is not actually being used. In other 2672 words, it makes the kernel MIPS16-tolerant. 2673 2674config CPU_SUPPORTS_MSA 2675 bool 2676 2677config ARCH_FLATMEM_ENABLE 2678 def_bool y 2679 depends on !NUMA && !CPU_LOONGSON2EF 2680 2681config ARCH_SPARSEMEM_ENABLE 2682 bool 2683 select SPARSEMEM_STATIC if !SGI_IP27 2684 2685config NUMA 2686 bool "NUMA Support" 2687 depends on SYS_SUPPORTS_NUMA 2688 help 2689 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2690 Access). This option improves performance on systems with more 2691 than two nodes; on two node systems it is generally better to 2692 leave it disabled; on single node systems disable this option 2693 disabled. 2694 2695config SYS_SUPPORTS_NUMA 2696 bool 2697 2698config RELOCATABLE 2699 bool "Relocatable kernel" 2700 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 2701 help 2702 This builds a kernel image that retains relocation information 2703 so it can be loaded someplace besides the default 1MB. 2704 The relocations make the kernel binary about 15% larger, 2705 but are discarded at runtime 2706 2707config RELOCATION_TABLE_SIZE 2708 hex "Relocation table size" 2709 depends on RELOCATABLE 2710 range 0x0 0x01000000 2711 default "0x00100000" 2712 ---help--- 2713 A table of relocation data will be appended to the kernel binary 2714 and parsed at boot to fix up the relocated kernel. 2715 2716 This option allows the amount of space reserved for the table to be 2717 adjusted, although the default of 1Mb should be ok in most cases. 2718 2719 The build will fail and a valid size suggested if this is too small. 2720 2721 If unsure, leave at the default value. 2722 2723config RANDOMIZE_BASE 2724 bool "Randomize the address of the kernel image" 2725 depends on RELOCATABLE 2726 ---help--- 2727 Randomizes the physical and virtual address at which the 2728 kernel image is loaded, as a security feature that 2729 deters exploit attempts relying on knowledge of the location 2730 of kernel internals. 2731 2732 Entropy is generated using any coprocessor 0 registers available. 2733 2734 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2735 2736 If unsure, say N. 2737 2738config RANDOMIZE_BASE_MAX_OFFSET 2739 hex "Maximum kASLR offset" if EXPERT 2740 depends on RANDOMIZE_BASE 2741 range 0x0 0x40000000 if EVA || 64BIT 2742 range 0x0 0x08000000 2743 default "0x01000000" 2744 ---help--- 2745 When kASLR is active, this provides the maximum offset that will 2746 be applied to the kernel image. It should be set according to the 2747 amount of physical RAM available in the target system minus 2748 PHYSICAL_START and must be a power of 2. 2749 2750 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2751 EVA or 64-bit. The default is 16Mb. 2752 2753config NODES_SHIFT 2754 int 2755 default "6" 2756 depends on NEED_MULTIPLE_NODES 2757 2758config HW_PERF_EVENTS 2759 bool "Enable hardware performance counter support for perf events" 2760 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 2761 default y 2762 help 2763 Enable hardware performance counter support for perf events. If 2764 disabled, perf events will use software events only. 2765 2766config SMP 2767 bool "Multi-Processing support" 2768 depends on SYS_SUPPORTS_SMP 2769 help 2770 This enables support for systems with more than one CPU. If you have 2771 a system with only one CPU, say N. If you have a system with more 2772 than one CPU, say Y. 2773 2774 If you say N here, the kernel will run on uni- and multiprocessor 2775 machines, but will use only one CPU of a multiprocessor machine. If 2776 you say Y here, the kernel will run on many, but not all, 2777 uniprocessor machines. On a uniprocessor machine, the kernel 2778 will run faster if you say N here. 2779 2780 People using multiprocessor machines who say Y here should also say 2781 Y to "Enhanced Real Time Clock Support", below. 2782 2783 See also the SMP-HOWTO available at 2784 <http://www.tldp.org/docs.html#howto>. 2785 2786 If you don't know what to do here, say N. 2787 2788config HOTPLUG_CPU 2789 bool "Support for hot-pluggable CPUs" 2790 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 2791 help 2792 Say Y here to allow turning CPUs off and on. CPUs can be 2793 controlled through /sys/devices/system/cpu. 2794 (Note: power management support will enable this option 2795 automatically on SMP systems. ) 2796 Say N if you want to disable CPU hotplug. 2797 2798config SMP_UP 2799 bool 2800 2801config SYS_SUPPORTS_MIPS_CMP 2802 bool 2803 2804config SYS_SUPPORTS_MIPS_CPS 2805 bool 2806 2807config SYS_SUPPORTS_SMP 2808 bool 2809 2810config NR_CPUS_DEFAULT_4 2811 bool 2812 2813config NR_CPUS_DEFAULT_8 2814 bool 2815 2816config NR_CPUS_DEFAULT_16 2817 bool 2818 2819config NR_CPUS_DEFAULT_32 2820 bool 2821 2822config NR_CPUS_DEFAULT_64 2823 bool 2824 2825config NR_CPUS 2826 int "Maximum number of CPUs (2-256)" 2827 range 2 256 2828 depends on SMP 2829 default "4" if NR_CPUS_DEFAULT_4 2830 default "8" if NR_CPUS_DEFAULT_8 2831 default "16" if NR_CPUS_DEFAULT_16 2832 default "32" if NR_CPUS_DEFAULT_32 2833 default "64" if NR_CPUS_DEFAULT_64 2834 help 2835 This allows you to specify the maximum number of CPUs which this 2836 kernel will support. The maximum supported value is 32 for 32-bit 2837 kernel and 64 for 64-bit kernels; the minimum value which makes 2838 sense is 1 for Qemu (useful only for kernel debugging purposes) 2839 and 2 for all others. 2840 2841 This is purely to save memory - each supported CPU adds 2842 approximately eight kilobytes to the kernel image. For best 2843 performance should round up your number of processors to the next 2844 power of two. 2845 2846config MIPS_PERF_SHARED_TC_COUNTERS 2847 bool 2848 2849config MIPS_NR_CPU_NR_MAP_1024 2850 bool 2851 2852config MIPS_NR_CPU_NR_MAP 2853 int 2854 depends on SMP 2855 default 1024 if MIPS_NR_CPU_NR_MAP_1024 2856 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 2857 2858# 2859# Timer Interrupt Frequency Configuration 2860# 2861 2862choice 2863 prompt "Timer frequency" 2864 default HZ_250 2865 help 2866 Allows the configuration of the timer frequency. 2867 2868 config HZ_24 2869 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 2870 2871 config HZ_48 2872 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 2873 2874 config HZ_100 2875 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 2876 2877 config HZ_128 2878 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 2879 2880 config HZ_250 2881 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 2882 2883 config HZ_256 2884 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 2885 2886 config HZ_1000 2887 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 2888 2889 config HZ_1024 2890 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 2891 2892endchoice 2893 2894config SYS_SUPPORTS_24HZ 2895 bool 2896 2897config SYS_SUPPORTS_48HZ 2898 bool 2899 2900config SYS_SUPPORTS_100HZ 2901 bool 2902 2903config SYS_SUPPORTS_128HZ 2904 bool 2905 2906config SYS_SUPPORTS_250HZ 2907 bool 2908 2909config SYS_SUPPORTS_256HZ 2910 bool 2911 2912config SYS_SUPPORTS_1000HZ 2913 bool 2914 2915config SYS_SUPPORTS_1024HZ 2916 bool 2917 2918config SYS_SUPPORTS_ARBIT_HZ 2919 bool 2920 default y if !SYS_SUPPORTS_24HZ && \ 2921 !SYS_SUPPORTS_48HZ && \ 2922 !SYS_SUPPORTS_100HZ && \ 2923 !SYS_SUPPORTS_128HZ && \ 2924 !SYS_SUPPORTS_250HZ && \ 2925 !SYS_SUPPORTS_256HZ && \ 2926 !SYS_SUPPORTS_1000HZ && \ 2927 !SYS_SUPPORTS_1024HZ 2928 2929config HZ 2930 int 2931 default 24 if HZ_24 2932 default 48 if HZ_48 2933 default 100 if HZ_100 2934 default 128 if HZ_128 2935 default 250 if HZ_250 2936 default 256 if HZ_256 2937 default 1000 if HZ_1000 2938 default 1024 if HZ_1024 2939 2940config SCHED_HRTICK 2941 def_bool HIGH_RES_TIMERS 2942 2943config KEXEC 2944 bool "Kexec system call" 2945 select KEXEC_CORE 2946 help 2947 kexec is a system call that implements the ability to shutdown your 2948 current kernel, and to start another kernel. It is like a reboot 2949 but it is independent of the system firmware. And like a reboot 2950 you can start any kernel with it, not just Linux. 2951 2952 The name comes from the similarity to the exec system call. 2953 2954 It is an ongoing process to be certain the hardware in a machine 2955 is properly shutdown, so do not be surprised if this code does not 2956 initially work for you. As of this writing the exact hardware 2957 interface is strongly in flux, so no good recommendation can be 2958 made. 2959 2960config CRASH_DUMP 2961 bool "Kernel crash dumps" 2962 help 2963 Generate crash dump after being started by kexec. 2964 This should be normally only set in special crash dump kernels 2965 which are loaded in the main kernel with kexec-tools into 2966 a specially reserved region and then later executed after 2967 a crash by kdump/kexec. The crash dump kernel must be compiled 2968 to a memory address not used by the main kernel or firmware using 2969 PHYSICAL_START. 2970 2971config PHYSICAL_START 2972 hex "Physical address where the kernel is loaded" 2973 default "0xffffffff84000000" 2974 depends on CRASH_DUMP 2975 help 2976 This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 2977 If you plan to use kernel for capturing the crash dump change 2978 this value to start of the reserved region (the "X" value as 2979 specified in the "crashkernel=YM@XM" command line boot parameter 2980 passed to the panic-ed kernel). 2981 2982config SECCOMP 2983 bool "Enable seccomp to safely compute untrusted bytecode" 2984 depends on PROC_FS 2985 default y 2986 help 2987 This kernel feature is useful for number crunching applications 2988 that may need to compute untrusted bytecode during their 2989 execution. By using pipes or other transports made available to 2990 the process as file descriptors supporting the read/write 2991 syscalls, it's possible to isolate those applications in 2992 their own address space using seccomp. Once seccomp is 2993 enabled via /proc/<pid>/seccomp, it cannot be disabled 2994 and the task is only allowed to execute a few safe syscalls 2995 defined by each seccomp mode. 2996 2997 If unsure, say Y. Only embedded should say N here. 2998 2999config MIPS_O32_FP64_SUPPORT 3000 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3001 depends on 32BIT || MIPS32_O32 3002 help 3003 When this is enabled, the kernel will support use of 64-bit floating 3004 point registers with binaries using the O32 ABI along with the 3005 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3006 32-bit MIPS systems this support is at the cost of increasing the 3007 size and complexity of the compiled FPU emulator. Thus if you are 3008 running a MIPS32 system and know that none of your userland binaries 3009 will require 64-bit floating point, you may wish to reduce the size 3010 of your kernel & potentially improve FP emulation performance by 3011 saying N here. 3012 3013 Although binutils currently supports use of this flag the details 3014 concerning its effect upon the O32 ABI in userland are still being 3015 worked on. In order to avoid userland becoming dependant upon current 3016 behaviour before the details have been finalised, this option should 3017 be considered experimental and only enabled by those working upon 3018 said details. 3019 3020 If unsure, say N. 3021 3022config USE_OF 3023 bool 3024 select OF 3025 select OF_EARLY_FLATTREE 3026 select IRQ_DOMAIN 3027 3028config UHI_BOOT 3029 bool 3030 3031config BUILTIN_DTB 3032 bool 3033 3034choice 3035 prompt "Kernel appended dtb support" if USE_OF 3036 default MIPS_NO_APPENDED_DTB 3037 3038 config MIPS_NO_APPENDED_DTB 3039 bool "None" 3040 help 3041 Do not enable appended dtb support. 3042 3043 config MIPS_ELF_APPENDED_DTB 3044 bool "vmlinux" 3045 help 3046 With this option, the boot code will look for a device tree binary 3047 DTB) included in the vmlinux ELF section .appended_dtb. By default 3048 it is empty and the DTB can be appended using binutils command 3049 objcopy: 3050 3051 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 3052 3053 This is meant as a backward compatiblity convenience for those 3054 systems with a bootloader that can't be upgraded to accommodate 3055 the documented boot protocol using a device tree. 3056 3057 config MIPS_RAW_APPENDED_DTB 3058 bool "vmlinux.bin or vmlinuz.bin" 3059 help 3060 With this option, the boot code will look for a device tree binary 3061 DTB) appended to raw vmlinux.bin or vmlinuz.bin. 3062 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 3063 3064 This is meant as a backward compatibility convenience for those 3065 systems with a bootloader that can't be upgraded to accommodate 3066 the documented boot protocol using a device tree. 3067 3068 Beware that there is very little in terms of protection against 3069 this option being confused by leftover garbage in memory that might 3070 look like a DTB header after a reboot if no actual DTB is appended 3071 to vmlinux.bin. Do not leave this option active in a production kernel 3072 if you don't intend to always append a DTB. 3073endchoice 3074 3075choice 3076 prompt "Kernel command line type" if !CMDLINE_OVERRIDE 3077 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 3078 !MIPS_MALTA && \ 3079 !CAVIUM_OCTEON_SOC 3080 default MIPS_CMDLINE_FROM_BOOTLOADER 3081 3082 config MIPS_CMDLINE_FROM_DTB 3083 depends on USE_OF 3084 bool "Dtb kernel arguments if available" 3085 3086 config MIPS_CMDLINE_DTB_EXTEND 3087 depends on USE_OF 3088 bool "Extend dtb kernel arguments with bootloader arguments" 3089 3090 config MIPS_CMDLINE_FROM_BOOTLOADER 3091 bool "Bootloader kernel arguments if available" 3092 3093 config MIPS_CMDLINE_BUILTIN_EXTEND 3094 depends on CMDLINE_BOOL 3095 bool "Extend builtin kernel arguments with bootloader arguments" 3096endchoice 3097 3098endmenu 3099 3100config LOCKDEP_SUPPORT 3101 bool 3102 default y 3103 3104config STACKTRACE_SUPPORT 3105 bool 3106 default y 3107 3108config PGTABLE_LEVELS 3109 int 3110 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3111 default 3 if 64BIT && !PAGE_SIZE_64KB 3112 default 2 3113 3114config MIPS_AUTO_PFN_OFFSET 3115 bool 3116 3117menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 3118 3119config PCI_DRIVERS_GENERIC 3120 select PCI_DOMAINS_GENERIC if PCI 3121 bool 3122 3123config PCI_DRIVERS_LEGACY 3124 def_bool !PCI_DRIVERS_GENERIC 3125 select NO_GENERIC_PCI_IOPORT_MAP 3126 select PCI_DOMAINS if PCI 3127 3128# 3129# ISA support is now enabled via select. Too many systems still have the one 3130# or other ISA chip on the board that users don't know about so don't expect 3131# users to choose the right thing ... 3132# 3133config ISA 3134 bool 3135 3136config TC 3137 bool "TURBOchannel support" 3138 depends on MACH_DECSTATION 3139 help 3140 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 3141 processors. TURBOchannel programming specifications are available 3142 at: 3143 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 3144 and: 3145 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 3146 Linux driver support status is documented at: 3147 <http://www.linux-mips.org/wiki/DECstation> 3148 3149config MMU 3150 bool 3151 default y 3152 3153config ARCH_MMAP_RND_BITS_MIN 3154 default 12 if 64BIT 3155 default 8 3156 3157config ARCH_MMAP_RND_BITS_MAX 3158 default 18 if 64BIT 3159 default 15 3160 3161config ARCH_MMAP_RND_COMPAT_BITS_MIN 3162 default 8 3163 3164config ARCH_MMAP_RND_COMPAT_BITS_MAX 3165 default 15 3166 3167config I8253 3168 bool 3169 select CLKSRC_I8253 3170 select CLKEVT_I8253 3171 select MIPS_EXTERNAL_TIMER 3172 3173config ZONE_DMA 3174 bool 3175 3176config ZONE_DMA32 3177 bool 3178 3179endmenu 3180 3181config TRAD_SIGNALS 3182 bool 3183 3184config MIPS32_COMPAT 3185 bool 3186 3187config COMPAT 3188 bool 3189 3190config SYSVIPC_COMPAT 3191 bool 3192 3193config MIPS32_O32 3194 bool "Kernel support for o32 binaries" 3195 depends on 64BIT 3196 select ARCH_WANT_OLD_COMPAT_IPC 3197 select COMPAT 3198 select MIPS32_COMPAT 3199 select SYSVIPC_COMPAT if SYSVIPC 3200 help 3201 Select this option if you want to run o32 binaries. These are pure 3202 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 3203 existing binaries are in this format. 3204 3205 If unsure, say Y. 3206 3207config MIPS32_N32 3208 bool "Kernel support for n32 binaries" 3209 depends on 64BIT 3210 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 3211 select COMPAT 3212 select MIPS32_COMPAT 3213 select SYSVIPC_COMPAT if SYSVIPC 3214 help 3215 Select this option if you want to run n32 binaries. These are 3216 64-bit binaries using 32-bit quantities for addressing and certain 3217 data that would normally be 64-bit. They are used in special 3218 cases. 3219 3220 If unsure, say N. 3221 3222config BINFMT_ELF32 3223 bool 3224 default y if MIPS32_O32 || MIPS32_N32 3225 select ELFCORE 3226 3227menu "Power management options" 3228 3229config ARCH_HIBERNATION_POSSIBLE 3230 def_bool y 3231 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3232 3233config ARCH_SUSPEND_POSSIBLE 3234 def_bool y 3235 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3236 3237source "kernel/power/Kconfig" 3238 3239endmenu 3240 3241config MIPS_EXTERNAL_TIMER 3242 bool 3243 3244menu "CPU Power Management" 3245 3246if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 3247source "drivers/cpufreq/Kconfig" 3248endif 3249 3250source "drivers/cpuidle/Kconfig" 3251 3252endmenu 3253 3254source "drivers/firmware/Kconfig" 3255 3256source "arch/mips/kvm/Kconfig" 3257