1config MIPS
   2	bool
   3	default y
   4	select HAVE_GENERIC_DMA_COHERENT
   5	select HAVE_IDE
   6	select HAVE_OPROFILE
   7	select HAVE_IRQ_WORK
   8	select HAVE_PERF_EVENTS
   9	select PERF_USE_VMALLOC
  10	select HAVE_ARCH_KGDB
  11	select ARCH_HAVE_CUSTOM_GPIO_H
  12	select HAVE_FUNCTION_TRACER
  13	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  14	select HAVE_DYNAMIC_FTRACE
 
 
 
  15	select HAVE_FTRACE_MCOUNT_RECORD
  16	select HAVE_C_RECORDMCOUNT
  17	select HAVE_FUNCTION_GRAPH_TRACER
 
 
 
 
 
 
  18	select HAVE_KPROBES
  19	select HAVE_KRETPROBES
  20	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  21	select RTC_LIB if !MACH_LOONGSON
  22	select GENERIC_ATOMIC64 if !64BIT
  23	select HAVE_DMA_ATTRS
  24	select HAVE_DMA_API_DEBUG
  25	select HAVE_GENERIC_HARDIRQS
  26	select GENERIC_IRQ_PROBE
  27	select GENERIC_IRQ_SHOW
  28	select HAVE_ARCH_JUMP_LABEL
 
 
 
 
 
 
  29	select IRQ_FORCED_THREADING
  30	select HAVE_MEMBLOCK
  31	select HAVE_MEMBLOCK_NODE_MAP
  32	select ARCH_DISCARD_MEMBLOCK
  33	select GENERIC_SMP_IDLE_THREAD
  34	select BUILDTIME_EXTABLE_SORT
  35	select GENERIC_CLOCKEVENTS
  36	select GENERIC_CMOS_UPDATE
 
 
 
 
  37
  38menu "Machine selection"
 
 
 
 
 
 
 
  39
  40config ZONE_DMA
  41	bool
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  42
  43choice
  44	prompt "System type"
  45	default SGI_IP22
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  46
  47config MIPS_ALCHEMY
  48	bool "Alchemy processor based machines"
  49	select 64BIT_PHYS_ADDR
  50	select CEVT_R4K_LIB
  51	select CSRC_R4K_LIB
  52	select IRQ_CPU
 
 
  53	select SYS_HAS_CPU_MIPS32_R1
  54	select SYS_SUPPORTS_32BIT_KERNEL
  55	select SYS_SUPPORTS_APM_EMULATION
  56	select GENERIC_GPIO
  57	select ARCH_WANT_OPTIONAL_GPIOLIB
  58	select SYS_SUPPORTS_ZBOOT
  59	select USB_ARCH_HAS_OHCI
  60	select USB_ARCH_HAS_EHCI
  61
  62config AR7
  63	bool "Texas Instruments AR7"
  64	select BOOT_ELF32
  65	select DMA_NONCOHERENT
  66	select CEVT_R4K
  67	select CSRC_R4K
  68	select IRQ_CPU
  69	select NO_EXCEPT_FILL
  70	select SWAP_IO_SPACE
  71	select SYS_HAS_CPU_MIPS32_R1
  72	select SYS_HAS_EARLY_PRINTK
  73	select SYS_SUPPORTS_32BIT_KERNEL
  74	select SYS_SUPPORTS_LITTLE_ENDIAN
  75	select SYS_SUPPORTS_ZBOOT_UART16550
  76	select ARCH_REQUIRE_GPIOLIB
  77	select VLYNQ
  78	help
  79	  Support for the Texas Instruments AR7 System-on-a-Chip
  80	  family: TNETD7100, 7200 and 7300.
  81
  82config ATH79
  83	bool "Atheros AR71XX/AR724X/AR913X based boards"
  84	select ARCH_REQUIRE_GPIOLIB
  85	select BOOT_RAW
  86	select CEVT_R4K
  87	select CSRC_R4K
  88	select DMA_NONCOHERENT
  89	select IRQ_CPU
  90	select MIPS_MACHINE
 
 
  91	select SYS_HAS_CPU_MIPS32_R2
  92	select SYS_HAS_EARLY_PRINTK
  93	select SYS_SUPPORTS_32BIT_KERNEL
  94	select SYS_SUPPORTS_BIG_ENDIAN
 
 
 
 
  95	help
  96	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  97
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  98config BCM47XX
  99	bool "Broadcom BCM47XX based boards"
 
 100	select CEVT_R4K
 101	select CSRC_R4K
 102	select DMA_NONCOHERENT
 103	select HW_HAS_PCI
 104	select IRQ_CPU
 
 
 105	select SYS_SUPPORTS_32BIT_KERNEL
 106	select SYS_SUPPORTS_LITTLE_ENDIAN
 107	select GENERIC_GPIO
 
 108	select SYS_HAS_EARLY_PRINTK
 109	select CFE
 
 
 
 
 
 110	help
 111	 Support for BCM47XX based boards
 112
 113config BCM63XX
 114	bool "Broadcom BCM63XX based boards"
 
 115	select CEVT_R4K
 116	select CSRC_R4K
 
 117	select DMA_NONCOHERENT
 118	select IRQ_CPU
 119	select SYS_HAS_CPU_MIPS32_R1
 120	select SYS_SUPPORTS_32BIT_KERNEL
 121	select SYS_SUPPORTS_BIG_ENDIAN
 122	select SYS_HAS_EARLY_PRINTK
 123	select SWAP_IO_SPACE
 124	select ARCH_REQUIRE_GPIOLIB
 
 
 
 
 
 125	help
 126	 Support for BCM63XX based boards
 127
 128config MIPS_COBALT
 129	bool "Cobalt Server"
 130	select CEVT_R4K
 131	select CSRC_R4K
 132	select CEVT_GT641XX
 133	select DMA_NONCOHERENT
 134	select HW_HAS_PCI
 135	select I8253
 136	select I8259
 137	select IRQ_CPU
 138	select IRQ_GT641XX
 139	select PCI_GT64XXX_PCI0
 140	select PCI
 141	select SYS_HAS_CPU_NEVADA
 142	select SYS_HAS_EARLY_PRINTK
 143	select SYS_SUPPORTS_32BIT_KERNEL
 144	select SYS_SUPPORTS_64BIT_KERNEL
 145	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 146
 147config MACH_DECSTATION
 148	bool "DECstations"
 149	select BOOT_ELF32
 150	select CEVT_DS1287
 151	select CEVT_R4K
 152	select CSRC_IOASIC
 153	select CSRC_R4K
 154	select CPU_DADDI_WORKAROUNDS if 64BIT
 155	select CPU_R4000_WORKAROUNDS if 64BIT
 156	select CPU_R4400_WORKAROUNDS if 64BIT
 157	select DMA_NONCOHERENT
 158	select NO_IOPORT
 159	select IRQ_CPU
 160	select SYS_HAS_CPU_R3000
 161	select SYS_HAS_CPU_R4X00
 162	select SYS_SUPPORTS_32BIT_KERNEL
 163	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 164	select SYS_SUPPORTS_LITTLE_ENDIAN
 165	select SYS_SUPPORTS_128HZ
 166	select SYS_SUPPORTS_256HZ
 167	select SYS_SUPPORTS_1024HZ
 
 168	help
 169	  This enables support for DEC's MIPS based workstations.  For details
 170	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
 171	  DECstation porting pages on <http://decstation.unix-ag.org/>.
 172
 173	  If you have one of the following DECstation Models you definitely
 174	  want to choose R4xx0 for the CPU Type:
 175
 176		DECstation 5000/50
 177		DECstation 5000/150
 178		DECstation 5000/260
 179		DECsystem 5900/260
 180
 181	  otherwise choose R3000.
 182
 183config MACH_JAZZ
 184	bool "Jazz family of machines"
 185	select ARC
 186	select ARC32
 
 
 
 
 
 187	select ARCH_MAY_HAVE_PC_FDC
 188	select CEVT_R4K
 189	select CSRC_R4K
 190	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
 191	select GENERIC_ISA_DMA
 192	select HAVE_PCSPKR_PLATFORM
 193	select IRQ_CPU
 194	select I8253
 195	select I8259
 196	select ISA
 197	select SYS_HAS_CPU_R4X00
 198	select SYS_SUPPORTS_32BIT_KERNEL
 199	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 200	select SYS_SUPPORTS_100HZ
 201	help
 202	 This a family of machines based on the MIPS R4030 chipset which was
 203	 used by several vendors to build RISC/os and Windows NT workstations.
 204	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
 205	 Olivetti M700-10 workstations.
 206
 207config MACH_JZ4740
 208	bool "Ingenic JZ4740 based machines"
 209	select SYS_HAS_CPU_MIPS32_R1
 210	select SYS_SUPPORTS_32BIT_KERNEL
 211	select SYS_SUPPORTS_LITTLE_ENDIAN
 212	select DMA_NONCOHERENT
 213	select IRQ_CPU
 214	select GENERIC_GPIO
 215	select ARCH_REQUIRE_GPIOLIB
 216	select SYS_HAS_EARLY_PRINTK
 217	select HAVE_PWM
 218	select HAVE_CLK
 219	select GENERIC_IRQ_CHIP
 
 
 
 
 
 
 220
 221config LANTIQ
 222	bool "Lantiq based platforms"
 223	select DMA_NONCOHERENT
 224	select IRQ_CPU
 225	select CEVT_R4K
 226	select CSRC_R4K
 
 227	select SYS_HAS_CPU_MIPS32_R1
 228	select SYS_HAS_CPU_MIPS32_R2
 229	select SYS_SUPPORTS_BIG_ENDIAN
 230	select SYS_SUPPORTS_32BIT_KERNEL
 
 231	select SYS_SUPPORTS_MULTITHREADING
 
 232	select SYS_HAS_EARLY_PRINTK
 233	select ARCH_REQUIRE_GPIOLIB
 234	select SWAP_IO_SPACE
 235	select BOOT_RAW
 236	select HAVE_MACH_CLKDEV
 237	select CLKDEV_LOOKUP
 238	select USE_OF
 
 
 
 
 239
 240config LASAT
 241	bool "LASAT Networks platforms"
 242	select CEVT_R4K
 243	select CSRC_R4K
 244	select DMA_NONCOHERENT
 245	select SYS_HAS_EARLY_PRINTK
 246	select HW_HAS_PCI
 247	select IRQ_CPU
 248	select PCI_GT64XXX_PCI0
 249	select MIPS_NILE4
 250	select R5000_CPU_SCACHE
 251	select SYS_HAS_CPU_R5000
 252	select SYS_SUPPORTS_32BIT_KERNEL
 253	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
 254	select SYS_SUPPORTS_LITTLE_ENDIAN
 255
 256config MACH_LOONGSON
 257	bool "Loongson family of machines"
 
 
 
 
 258	select SYS_SUPPORTS_ZBOOT
 259	help
 260	  This enables the support of Loongson family of machines.
 261
 262	  Loongson is a family of general-purpose MIPS-compatible CPUs.
 263	  developed at Institute of Computing Technology (ICT),
 264	  Chinese Academy of Sciences (CAS) in the People's Republic
 265	  of China. The chief architect is Professor Weiwu Hu.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 266
 267config MIPS_MALTA
 268	bool "MIPS Malta board"
 269	select ARCH_MAY_HAVE_PC_FDC
 
 
 270	select BOOT_ELF32
 271	select BOOT_RAW
 
 272	select CEVT_R4K
 
 
 273	select CSRC_R4K
 274	select DMA_NONCOHERENT
 275	select GENERIC_ISA_DMA
 276	select HAVE_PCSPKR_PLATFORM
 277	select IRQ_CPU
 278	select IRQ_GIC
 279	select HW_HAS_PCI
 280	select I8253
 281	select I8259
 282	select MIPS_BOARDS_GEN
 283	select MIPS_BONITO64
 284	select MIPS_CPU_SCACHE
 285	select PCI_GT64XXX_PCI0
 
 286	select MIPS_MSC
 
 
 287	select SWAP_IO_SPACE
 288	select SYS_HAS_CPU_MIPS32_R1
 289	select SYS_HAS_CPU_MIPS32_R2
 
 
 
 290	select SYS_HAS_CPU_MIPS64_R1
 291	select SYS_HAS_CPU_MIPS64_R2
 
 292	select SYS_HAS_CPU_NEVADA
 293	select SYS_HAS_CPU_RM7000
 294	select SYS_HAS_EARLY_PRINTK
 295	select SYS_SUPPORTS_32BIT_KERNEL
 296	select SYS_SUPPORTS_64BIT_KERNEL
 297	select SYS_SUPPORTS_BIG_ENDIAN
 
 298	select SYS_SUPPORTS_LITTLE_ENDIAN
 299	select SYS_SUPPORTS_MIPS_CMP
 
 
 300	select SYS_SUPPORTS_MULTITHREADING
 
 301	select SYS_SUPPORTS_SMARTMIPS
 
 302	select SYS_SUPPORTS_ZBOOT
 
 
 
 303	help
 304	  This enables support for the MIPS Technologies Malta evaluation
 305	  board.
 306
 307config MIPS_SIM
 308	bool 'MIPS simulator (MIPSsim)'
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 309	select CEVT_R4K
 
 
 
 
 310	select CSRC_R4K
 311	select DMA_NONCOHERENT
 312	select SYS_HAS_EARLY_PRINTK
 313	select IRQ_CPU
 314	select BOOT_RAW
 315	select SYS_HAS_CPU_MIPS32_R1
 316	select SYS_HAS_CPU_MIPS32_R2
 317	select SYS_HAS_EARLY_PRINTK
 318	select SYS_SUPPORTS_32BIT_KERNEL
 319	select SYS_SUPPORTS_BIG_ENDIAN
 320	select SYS_SUPPORTS_MULTITHREADING
 
 
 
 321	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 
 
 
 
 
 
 
 
 
 
 322	help
 323	  This option enables support for MIPS Technologies MIPSsim software
 324	  emulator.
 325
 326config NEC_MARKEINS
 327	bool "NEC EMMA2RH Mark-eins board"
 328	select SOC_EMMA2RH
 329	select HW_HAS_PCI
 330	help
 331	  This enables support for the NEC Electronics Mark-eins boards.
 332
 333config MACH_VR41XX
 334	bool "NEC VR4100 series based machines"
 335	select CEVT_R4K
 336	select CSRC_R4K
 337	select SYS_HAS_CPU_VR41XX
 338	select ARCH_REQUIRE_GPIOLIB
 339
 340config NXP_STB220
 341	bool "NXP STB220 board"
 342	select SOC_PNX833X
 343	help
 344	 Support for NXP Semiconductors STB220 Development Board.
 345
 346config NXP_STB225
 347	bool "NXP 225 board"
 348	select SOC_PNX833X
 349	select SOC_PNX8335
 350	help
 351	 Support for NXP Semiconductors STB225 Development Board.
 352
 353config PNX8550_JBS
 354	bool "NXP PNX8550 based JBS board"
 355	select PNX8550
 356	select SYS_SUPPORTS_LITTLE_ENDIAN
 357
 358config PNX8550_STB810
 359	bool "NXP PNX8550 based STB810 board"
 360	select PNX8550
 361	select SYS_SUPPORTS_LITTLE_ENDIAN
 362
 363config PMC_MSP
 364	bool "PMC-Sierra MSP chipsets"
 365	depends on EXPERIMENTAL
 366	select CEVT_R4K
 
 367	select CSRC_R4K
 368	select DMA_NONCOHERENT
 369	select SWAP_IO_SPACE
 370	select NO_EXCEPT_FILL
 371	select BOOT_RAW
 372	select SYS_HAS_CPU_MIPS32_R1
 
 
 373	select SYS_HAS_CPU_MIPS32_R2
 374	select SYS_SUPPORTS_32BIT_KERNEL
 375	select SYS_SUPPORTS_BIG_ENDIAN
 376	select IRQ_CPU
 377	select SERIAL_8250
 378	select SERIAL_8250_CONSOLE
 379	help
 380	  This adds support for the PMC-Sierra family of Multi-Service
 381	  Processor System-On-A-Chips.  These parts include a number
 382	  of integrated peripherals, interfaces and DSPs in addition to
 383	  a variety of MIPS cores.
 384
 385config PMC_YOSEMITE
 386	bool "PMC-Sierra Yosemite eval board"
 387	select CEVT_R4K
 388	select CSRC_R4K
 389	select DMA_COHERENT
 390	select HW_HAS_PCI
 391	select IRQ_CPU
 392	select IRQ_CPU_RM7K
 393	select IRQ_CPU_RM9K
 394	select SWAP_IO_SPACE
 395	select SYS_HAS_CPU_RM9000
 396	select SYS_HAS_EARLY_PRINTK
 397	select SYS_SUPPORTS_32BIT_KERNEL
 398	select SYS_SUPPORTS_64BIT_KERNEL
 399	select SYS_SUPPORTS_BIG_ENDIAN
 400	select SYS_SUPPORTS_HIGHMEM
 401	select SYS_SUPPORTS_SMP
 402	help
 403	  Yosemite is an evaluation board for the RM9000x2 processor
 404	  manufactured by PMC-Sierra.
 405
 406config POWERTV
 407	bool "Cisco PowerTV"
 408	select BOOT_ELF32
 409	select CEVT_R4K
 410	select CPU_MIPSR2_IRQ_VI
 411	select CPU_MIPSR2_IRQ_EI
 412	select CSRC_POWERTV
 413	select DMA_NONCOHERENT
 414	select HW_HAS_PCI
 415	select SYS_HAS_EARLY_PRINTK
 
 
 416	select SYS_HAS_CPU_MIPS32_R2
 417	select SYS_SUPPORTS_32BIT_KERNEL
 418	select SYS_SUPPORTS_BIG_ENDIAN
 419	select SYS_SUPPORTS_HIGHMEM
 420	select USB_OHCI_LITTLE_ENDIAN
 421	help
 422	  This enables support for the Cisco PowerTV Platform.
 
 
 
 423
 424config SGI_IP22
 425	bool "SGI IP22 (Indy/Indigo2)"
 426	select ARC
 427	select ARC32
 
 
 
 428	select BOOT_ELF32
 429	select CEVT_R4K
 430	select CSRC_R4K
 431	select DEFAULT_SGI_PARTITION
 432	select DMA_NONCOHERENT
 433	select HW_HAS_EISA
 434	select I8253
 435	select I8259
 436	select IP22_CPU_SCACHE
 437	select IRQ_CPU
 438	select GENERIC_ISA_DMA_SUPPORT_BROKEN
 439	select SGI_HAS_I8042
 440	select SGI_HAS_INDYDOG
 441	select SGI_HAS_HAL2
 442	select SGI_HAS_SEEQ
 443	select SGI_HAS_WD93
 444	select SGI_HAS_ZILOG
 445	select SWAP_IO_SPACE
 446	select SYS_HAS_CPU_R4X00
 447	select SYS_HAS_CPU_R5000
 448	#
 449	# Disable EARLY_PRINTK for now since it leads to overwritten prom
 450	# memory during early boot on some machines.
 451	#
 452	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
 453	# for a more details discussion
 454	#
 455	# select SYS_HAS_EARLY_PRINTK
 456	select SYS_SUPPORTS_32BIT_KERNEL
 457	select SYS_SUPPORTS_64BIT_KERNEL
 458	select SYS_SUPPORTS_BIG_ENDIAN
 
 
 
 
 459	help
 460	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
 461	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
 462	  that runs on these, say Y here.
 463
 464config SGI_IP27
 465	bool "SGI IP27 (Origin200/2000)"
 466	select ARC
 467	select ARC64
 
 
 
 468	select BOOT_ELF64
 469	select DEFAULT_SGI_PARTITION
 470	select DMA_COHERENT
 471	select SYS_HAS_EARLY_PRINTK
 472	select HW_HAS_PCI
 
 
 473	select NR_CPUS_DEFAULT_64
 
 
 474	select SYS_HAS_CPU_R10000
 475	select SYS_SUPPORTS_64BIT_KERNEL
 476	select SYS_SUPPORTS_BIG_ENDIAN
 477	select SYS_SUPPORTS_NUMA
 478	select SYS_SUPPORTS_SMP
 
 
 
 
 479	help
 480	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
 481	  workstations.  To compile a Linux kernel that runs on these, say Y
 482	  here.
 483
 484config SGI_IP28
 485	bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
 486	depends on EXPERIMENTAL
 487	select ARC
 488	select ARC64
 
 
 489	select BOOT_ELF64
 490	select CEVT_R4K
 491	select CSRC_R4K
 492	select DEFAULT_SGI_PARTITION
 493	select DMA_NONCOHERENT
 494	select GENERIC_ISA_DMA_SUPPORT_BROKEN
 495	select IRQ_CPU
 496	select HW_HAS_EISA
 497	select I8253
 498	select I8259
 499	select SGI_HAS_I8042
 500	select SGI_HAS_INDYDOG
 501	select SGI_HAS_HAL2
 502	select SGI_HAS_SEEQ
 503	select SGI_HAS_WD93
 504	select SGI_HAS_ZILOG
 505	select SWAP_IO_SPACE
 506	select SYS_HAS_CPU_R10000
 507	#
 508	# Disable EARLY_PRINTK for now since it leads to overwritten prom
 509	# memory during early boot on some machines.
 510	#
 511	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
 512	# for a more details discussion
 513	#
 514	# select SYS_HAS_EARLY_PRINTK
 515	select SYS_SUPPORTS_64BIT_KERNEL
 516	select SYS_SUPPORTS_BIG_ENDIAN
 517      help
 518        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
 519        kernel that runs on these, say Y here.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 520
 521config SGI_IP32
 522	bool "SGI IP32 (O2)"
 523	select ARC
 524	select ARC32
 
 
 
 525	select BOOT_ELF32
 526	select CEVT_R4K
 527	select CSRC_R4K
 528	select DMA_NONCOHERENT
 529	select HW_HAS_PCI
 530	select IRQ_CPU
 531	select R5000_CPU_SCACHE
 532	select RM7000_CPU_SCACHE
 533	select SYS_HAS_CPU_R5000
 534	select SYS_HAS_CPU_R10000 if BROKEN
 535	select SYS_HAS_CPU_RM7000
 536	select SYS_HAS_CPU_NEVADA
 537	select SYS_SUPPORTS_64BIT_KERNEL
 538	select SYS_SUPPORTS_BIG_ENDIAN
 
 539	help
 540	  If you want this kernel to run on SGI O2 workstation, say Y here.
 541
 542config SIBYTE_CRHINE
 543	bool "Sibyte BCM91120C-CRhine"
 544	depends on EXPERIMENTAL
 545	select BOOT_ELF32
 546	select DMA_COHERENT
 547	select SIBYTE_BCM1120
 548	select SWAP_IO_SPACE
 549	select SYS_HAS_CPU_SB1
 550	select SYS_SUPPORTS_BIG_ENDIAN
 551	select SYS_SUPPORTS_LITTLE_ENDIAN
 552
 553config SIBYTE_CARMEL
 554	bool "Sibyte BCM91120x-Carmel"
 555	depends on EXPERIMENTAL
 556	select BOOT_ELF32
 557	select DMA_COHERENT
 558	select SIBYTE_BCM1120
 559	select SWAP_IO_SPACE
 560	select SYS_HAS_CPU_SB1
 561	select SYS_SUPPORTS_BIG_ENDIAN
 562	select SYS_SUPPORTS_LITTLE_ENDIAN
 563
 564config SIBYTE_CRHONE
 565	bool "Sibyte BCM91125C-CRhone"
 566	depends on EXPERIMENTAL
 567	select BOOT_ELF32
 568	select DMA_COHERENT
 569	select SIBYTE_BCM1125
 570	select SWAP_IO_SPACE
 571	select SYS_HAS_CPU_SB1
 572	select SYS_SUPPORTS_BIG_ENDIAN
 573	select SYS_SUPPORTS_HIGHMEM
 574	select SYS_SUPPORTS_LITTLE_ENDIAN
 575
 576config SIBYTE_RHONE
 577	bool "Sibyte BCM91125E-Rhone"
 578	depends on EXPERIMENTAL
 579	select BOOT_ELF32
 580	select DMA_COHERENT
 581	select SIBYTE_BCM1125H
 582	select SWAP_IO_SPACE
 583	select SYS_HAS_CPU_SB1
 584	select SYS_SUPPORTS_BIG_ENDIAN
 585	select SYS_SUPPORTS_LITTLE_ENDIAN
 586
 587config SIBYTE_SWARM
 588	bool "Sibyte BCM91250A-SWARM"
 589	select BOOT_ELF32
 590	select DMA_COHERENT
 591	select HAVE_PATA_PLATFORM
 592	select NR_CPUS_DEFAULT_2
 593	select SIBYTE_SB1250
 594	select SWAP_IO_SPACE
 595	select SYS_HAS_CPU_SB1
 596	select SYS_SUPPORTS_BIG_ENDIAN
 597	select SYS_SUPPORTS_HIGHMEM
 598	select SYS_SUPPORTS_LITTLE_ENDIAN
 599	select ZONE_DMA32 if 64BIT
 
 600
 601config SIBYTE_LITTLESUR
 602	bool "Sibyte BCM91250C2-LittleSur"
 603	depends on EXPERIMENTAL
 604	select BOOT_ELF32
 605	select DMA_COHERENT
 606	select HAVE_PATA_PLATFORM
 607	select NR_CPUS_DEFAULT_2
 608	select SIBYTE_SB1250
 609	select SWAP_IO_SPACE
 610	select SYS_HAS_CPU_SB1
 611	select SYS_SUPPORTS_BIG_ENDIAN
 612	select SYS_SUPPORTS_HIGHMEM
 613	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 614
 615config SIBYTE_SENTOSA
 616	bool "Sibyte BCM91250E-Sentosa"
 617	depends on EXPERIMENTAL
 618	select BOOT_ELF32
 619	select DMA_COHERENT
 620	select NR_CPUS_DEFAULT_2
 621	select SIBYTE_SB1250
 622	select SWAP_IO_SPACE
 623	select SYS_HAS_CPU_SB1
 624	select SYS_SUPPORTS_BIG_ENDIAN
 625	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 626
 627config SIBYTE_BIGSUR
 628	bool "Sibyte BCM91480B-BigSur"
 629	select BOOT_ELF32
 630	select DMA_COHERENT
 631	select NR_CPUS_DEFAULT_4
 632	select SIBYTE_BCM1x80
 633	select SWAP_IO_SPACE
 634	select SYS_HAS_CPU_SB1
 635	select SYS_SUPPORTS_BIG_ENDIAN
 636	select SYS_SUPPORTS_HIGHMEM
 637	select SYS_SUPPORTS_LITTLE_ENDIAN
 638	select ZONE_DMA32 if 64BIT
 
 639
 640config SNI_RM
 641	bool "SNI RM200/300/400"
 642	select ARC if CPU_LITTLE_ENDIAN
 643	select ARC32 if CPU_LITTLE_ENDIAN
 644	select SNIPROM if CPU_BIG_ENDIAN
 
 
 645	select ARCH_MAY_HAVE_PC_FDC
 
 
 646	select BOOT_ELF32
 647	select CEVT_R4K
 648	select CSRC_R4K
 649	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
 650	select DMA_NONCOHERENT
 651	select GENERIC_ISA_DMA
 
 652	select HAVE_PCSPKR_PLATFORM
 653	select HW_HAS_EISA
 654	select HW_HAS_PCI
 655	select IRQ_CPU
 656	select I8253
 657	select I8259
 658	select ISA
 
 659	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
 660	select SYS_HAS_CPU_R4X00
 661	select SYS_HAS_CPU_R5000
 662	select SYS_HAS_CPU_R10000
 663	select R5000_CPU_SCACHE
 664	select SYS_HAS_EARLY_PRINTK
 665	select SYS_SUPPORTS_32BIT_KERNEL
 666	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 667	select SYS_SUPPORTS_BIG_ENDIAN
 668	select SYS_SUPPORTS_HIGHMEM
 669	select SYS_SUPPORTS_LITTLE_ENDIAN
 
 670	help
 671	  The SNI RM200/300/400 are MIPS-based machines manufactured by
 672	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
 673	  Technology and now in turn merged with Fujitsu.  Say Y here to
 674	  support this machine type.
 675
 676config MACH_TX39XX
 677	bool "Toshiba TX39 series based machines"
 678
 679config MACH_TX49XX
 680	bool "Toshiba TX49 series based machines"
 
 681
 682config MIKROTIK_RB532
 683	bool "Mikrotik RB532 boards"
 684	select CEVT_R4K
 685	select CSRC_R4K
 686	select DMA_NONCOHERENT
 687	select HW_HAS_PCI
 688	select IRQ_CPU
 689	select SYS_HAS_CPU_MIPS32_R1
 690	select SYS_SUPPORTS_32BIT_KERNEL
 691	select SYS_SUPPORTS_LITTLE_ENDIAN
 692	select SWAP_IO_SPACE
 693	select BOOT_RAW
 694	select ARCH_REQUIRE_GPIOLIB
 
 695	help
 696	  Support the Mikrotik(tm) RouterBoard 532 series,
 697	  based on the IDT RC32434 SoC.
 698
 699config WR_PPMC
 700	bool "Wind River PPMC board"
 701	select CEVT_R4K
 702	select CSRC_R4K
 703	select IRQ_CPU
 704	select BOOT_ELF32
 705	select DMA_NONCOHERENT
 706	select HW_HAS_PCI
 707	select PCI_GT64XXX_PCI0
 708	select SWAP_IO_SPACE
 709	select SYS_HAS_CPU_MIPS32_R1
 710	select SYS_HAS_CPU_MIPS32_R2
 711	select SYS_HAS_CPU_MIPS64_R1
 712	select SYS_HAS_CPU_NEVADA
 713	select SYS_HAS_CPU_RM7000
 714	select SYS_SUPPORTS_32BIT_KERNEL
 715	select SYS_SUPPORTS_64BIT_KERNEL
 716	select SYS_SUPPORTS_BIG_ENDIAN
 
 
 717	select SYS_SUPPORTS_LITTLE_ENDIAN
 718	help
 719	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
 720	  board, which is based on GT64120 bridge chip.
 721
 722config CAVIUM_OCTEON_SIMULATOR
 723	bool "Cavium Networks Octeon Simulator"
 724	select CEVT_R4K
 725	select 64BIT_PHYS_ADDR
 726	select DMA_COHERENT
 727	select SYS_SUPPORTS_64BIT_KERNEL
 728	select SYS_SUPPORTS_BIG_ENDIAN
 729	select SYS_SUPPORTS_HOTPLUG_CPU
 730	select SYS_HAS_CPU_CAVIUM_OCTEON
 731	select HOLES_IN_ZONE
 732	help
 733	  The Octeon simulator is software performance model of the Cavium
 734	  Octeon Processor. It supports simulating Octeon processors on x86
 735	  hardware.
 736
 737config CAVIUM_OCTEON_REFERENCE_BOARD
 738	bool "Cavium Networks Octeon reference board"
 739	select CEVT_R4K
 740	select 64BIT_PHYS_ADDR
 741	select DMA_COHERENT
 742	select SYS_SUPPORTS_64BIT_KERNEL
 743	select SYS_SUPPORTS_BIG_ENDIAN
 744	select SYS_SUPPORTS_HOTPLUG_CPU
 745	select SYS_HAS_EARLY_PRINTK
 746	select SYS_HAS_CPU_CAVIUM_OCTEON
 747	select SWAP_IO_SPACE
 748	select HW_HAS_PCI
 749	select ARCH_SUPPORTS_MSI
 
 750	select ZONE_DMA32
 751	select USB_ARCH_HAS_OHCI
 752	select USB_ARCH_HAS_EHCI
 753	select HOLES_IN_ZONE
 
 
 
 
 
 
 
 
 754	help
 755	  This option supports all of the Octeon reference boards from Cavium
 756	  Networks. It builds a kernel that dynamically determines the Octeon
 757	  CPU type and supports all known board reference implementations.
 758	  Some of the supported boards are:
 759		EBT3000
 760		EBH3000
 761		EBH3100
 762		Thunder
 763		Kodama
 764		Hikari
 765	  Say Y here for most Octeon reference boards.
 766
 767config NLM_XLR_BOARD
 768	bool "Netlogic XLR/XLS based systems"
 769	depends on EXPERIMENTAL
 770	select BOOT_ELF32
 771	select NLM_COMMON
 772	select SYS_HAS_CPU_XLR
 773	select SYS_SUPPORTS_SMP
 774	select HW_HAS_PCI
 775	select SWAP_IO_SPACE
 776	select SYS_SUPPORTS_32BIT_KERNEL
 777	select SYS_SUPPORTS_64BIT_KERNEL
 778	select 64BIT_PHYS_ADDR
 779	select SYS_SUPPORTS_BIG_ENDIAN
 780	select SYS_SUPPORTS_HIGHMEM
 781	select DMA_COHERENT
 782	select NR_CPUS_DEFAULT_32
 783	select CEVT_R4K
 784	select CSRC_R4K
 785	select IRQ_CPU
 786	select ARCH_SUPPORTS_MSI
 787	select ZONE_DMA if 64BIT
 788	select SYNC_R4K
 789	select SYS_HAS_EARLY_PRINTK
 790	help
 791	  Support for systems based on Netlogic XLR and XLS processors.
 792	  Say Y here if you have a XLR or XLS based board.
 793
 794config NLM_XLP_BOARD
 795	bool "Netlogic XLP based systems"
 796	depends on EXPERIMENTAL
 797	select BOOT_ELF32
 798	select NLM_COMMON
 799	select SYS_HAS_CPU_XLP
 800	select SYS_SUPPORTS_SMP
 801	select HW_HAS_PCI
 802	select SWAP_IO_SPACE
 803	select SYS_SUPPORTS_32BIT_KERNEL
 804	select SYS_SUPPORTS_64BIT_KERNEL
 805	select 64BIT_PHYS_ADDR
 806	select SYS_SUPPORTS_BIG_ENDIAN
 807	select SYS_SUPPORTS_LITTLE_ENDIAN
 808	select SYS_SUPPORTS_HIGHMEM
 809	select DMA_COHERENT
 810	select NR_CPUS_DEFAULT_32
 811	select CEVT_R4K
 812	select CSRC_R4K
 813	select IRQ_CPU
 814	select ZONE_DMA if 64BIT
 815	select SYNC_R4K
 816	select SYS_HAS_EARLY_PRINTK
 817	help
 818	  This board is based on Netlogic XLP Processor.
 819	  Say Y here if you have a XLP based board.
 820
 821endchoice
 822
 823source "arch/mips/alchemy/Kconfig"
 
 824source "arch/mips/ath79/Kconfig"
 825source "arch/mips/bcm47xx/Kconfig"
 826source "arch/mips/bcm63xx/Kconfig"
 
 
 
 827source "arch/mips/jazz/Kconfig"
 828source "arch/mips/jz4740/Kconfig"
 829source "arch/mips/lantiq/Kconfig"
 830source "arch/mips/lasat/Kconfig"
 831source "arch/mips/pmc-sierra/Kconfig"
 832source "arch/mips/powertv/Kconfig"
 833source "arch/mips/sgi-ip27/Kconfig"
 834source "arch/mips/sibyte/Kconfig"
 835source "arch/mips/txx9/Kconfig"
 836source "arch/mips/vr41xx/Kconfig"
 837source "arch/mips/cavium-octeon/Kconfig"
 838source "arch/mips/loongson/Kconfig"
 839source "arch/mips/netlogic/Kconfig"
 
 840
 841endmenu
 842
 843config RWSEM_GENERIC_SPINLOCK
 844	bool
 845	default y
 846
 847config RWSEM_XCHGADD_ALGORITHM
 848	bool
 849
 850config ARCH_HAS_ILOG2_U32
 851	bool
 852	default n
 853
 854config ARCH_HAS_ILOG2_U64
 855	bool
 856	default n
 857
 858config GENERIC_HWEIGHT
 859	bool
 860	default y
 861
 862config GENERIC_CALIBRATE_DELAY
 863	bool
 864	default y
 865
 866config SCHED_OMIT_FRAME_POINTER
 867	bool
 868	default y
 869
 870#
 871# Select some configuration options automatically based on user selections.
 872#
 873config ARC
 874	bool
 875
 876config ARCH_MAY_HAVE_PC_FDC
 877	bool
 878
 879config BOOT_RAW
 880	bool
 881
 882config CEVT_BCM1480
 883	bool
 884
 885config CEVT_DS1287
 886	bool
 887
 888config CEVT_GT641XX
 889	bool
 890
 891config CEVT_R4K_LIB
 892	bool
 893
 894config CEVT_R4K
 895	select CEVT_R4K_LIB
 896	bool
 897
 898config CEVT_SB1250
 899	bool
 900
 901config CEVT_TXX9
 902	bool
 903
 904config CSRC_BCM1480
 905	bool
 906
 907config CSRC_IOASIC
 908	bool
 909
 910config CSRC_POWERTV
 911	bool
 912
 913config CSRC_R4K_LIB
 914	bool
 915
 916config CSRC_R4K
 917	select CSRC_R4K_LIB
 918	bool
 919
 920config CSRC_SB1250
 921	bool
 922
 
 
 
 923config GPIO_TXX9
 924	select GENERIC_GPIO
 925	select ARCH_REQUIRE_GPIOLIB
 926	bool
 927
 928config CFE
 929	bool
 930
 931config ARCH_DMA_ADDR_T_64BIT
 932	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
 933
 934config DMA_COHERENT
 935	bool
 936
 937config DMA_NONCOHERENT
 938	bool
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 939	select NEED_DMA_MAP_STATE
 940
 941config NEED_DMA_MAP_STATE
 942	bool
 943
 944config SYS_HAS_EARLY_PRINTK
 945	bool
 946
 947config HOTPLUG_CPU
 948	bool "Support for hot-pluggable CPUs"
 949	depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
 950	help
 951	  Say Y here to allow turning CPUs off and on. CPUs can be
 952	  controlled through /sys/devices/system/cpu.
 953	  (Note: power management support will enable this option
 954	    automatically on SMP systems. )
 955	  Say N if you want to disable CPU hotplug.
 956
 957config SYS_SUPPORTS_HOTPLUG_CPU
 958	bool
 959
 960config I8259
 961	bool
 962
 963config MIPS_BONITO64
 964	bool
 965
 966config MIPS_MSC
 967	bool
 968
 969config MIPS_NILE4
 970	bool
 971
 972config MIPS_DISABLE_OBSOLETE_IDE
 973	bool
 974
 975config SYNC_R4K
 976	bool
 977
 978config MIPS_MACHINE
 979	def_bool n
 980
 981config NO_IOPORT
 982	def_bool n
 983
 984config GENERIC_ISA_DMA
 985	bool
 986	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
 987	select ISA_DMA_API
 988
 989config GENERIC_ISA_DMA_SUPPORT_BROKEN
 990	bool
 991	select GENERIC_ISA_DMA
 992
 993config ISA_DMA_API
 
 
 
 994	bool
 995
 996config GENERIC_GPIO
 997	bool
 998
 999config HOLES_IN_ZONE
1000	bool
1001
 
 
 
 
 
 
 
1002#
1003# Endianness selection.  Sufficiently obscure so many users don't know what to
1004# answer,so we try hard to limit the available choices.  Also the use of a
1005# choice statement should be more obvious to the user.
1006#
1007choice
1008	prompt "Endianness selection"
1009	help
1010	  Some MIPS machines can be configured for either little or big endian
1011	  byte order. These modes require different kernels and a different
1012	  Linux distribution.  In general there is one preferred byteorder for a
1013	  particular system but some systems are just as commonly used in the
1014	  one or the other endianness.
1015
1016config CPU_BIG_ENDIAN
1017	bool "Big endian"
1018	depends on SYS_SUPPORTS_BIG_ENDIAN
1019
1020config CPU_LITTLE_ENDIAN
1021	bool "Little endian"
1022	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1023	help
1024
1025endchoice
1026
1027config EXPORT_UASM
1028	bool
1029
1030config SYS_SUPPORTS_APM_EMULATION
1031	bool
1032
1033config SYS_SUPPORTS_BIG_ENDIAN
1034	bool
1035
1036config SYS_SUPPORTS_LITTLE_ENDIAN
1037	bool
1038
1039config SYS_SUPPORTS_HUGETLBFS
1040	bool
1041	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1042	default y
1043
1044config IRQ_CPU
1045	bool
1046
1047config IRQ_CPU_RM7K
1048	bool
1049
1050config IRQ_CPU_RM9K
1051	bool
1052
1053config IRQ_MSP_SLP
1054	bool
1055
1056config IRQ_MSP_CIC
1057	bool
1058
1059config IRQ_TXX9
1060	bool
1061
1062config IRQ_GT641XX
1063	bool
1064
1065config IRQ_GIC
1066	bool
1067
1068config MIPS_BOARDS_GEN
1069	bool
1070
1071config PCI_GT64XXX_PCI0
1072	bool
1073
1074config NO_EXCEPT_FILL
1075	bool
1076
1077config MIPS_RM9122
1078	bool
1079	select SERIAL_RM9000
1080
1081config SOC_EMMA2RH
1082	bool
1083	select CEVT_R4K
1084	select CSRC_R4K
1085	select DMA_NONCOHERENT
1086	select IRQ_CPU
1087	select SWAP_IO_SPACE
1088	select SYS_HAS_CPU_R5500
1089	select SYS_SUPPORTS_32BIT_KERNEL
1090	select SYS_SUPPORTS_64BIT_KERNEL
1091	select SYS_SUPPORTS_BIG_ENDIAN
1092
1093config SOC_PNX833X
1094	bool
1095	select CEVT_R4K
1096	select CSRC_R4K
1097	select IRQ_CPU
1098	select DMA_NONCOHERENT
1099	select SYS_HAS_CPU_MIPS32_R2
1100	select SYS_SUPPORTS_32BIT_KERNEL
1101	select SYS_SUPPORTS_LITTLE_ENDIAN
1102	select SYS_SUPPORTS_BIG_ENDIAN
1103	select GENERIC_GPIO
1104	select CPU_MIPSR2_IRQ_VI
1105
1106config SOC_PNX8335
1107	bool
1108	select SOC_PNX833X
1109
1110config PNX8550
1111	bool
1112	select SOC_PNX8550
1113
1114config SOC_PNX8550
1115	bool
1116	select DMA_NONCOHERENT
1117	select HW_HAS_PCI
1118	select SYS_HAS_CPU_MIPS32_R1
1119	select SYS_HAS_EARLY_PRINTK
1120	select SYS_SUPPORTS_32BIT_KERNEL
1121	select GENERIC_GPIO
1122
1123config SWAP_IO_SPACE
1124	bool
1125
1126config SERIAL_RM9000
1127	bool
1128
1129config SGI_HAS_INDYDOG
1130	bool
1131
1132config SGI_HAS_HAL2
1133	bool
1134
1135config SGI_HAS_SEEQ
1136	bool
1137
1138config SGI_HAS_WD93
1139	bool
1140
1141config SGI_HAS_ZILOG
1142	bool
1143
1144config SGI_HAS_I8042
1145	bool
1146
1147config DEFAULT_SGI_PARTITION
1148	bool
1149
1150config ARC32
1151	bool
1152
1153config SNIPROM
1154	bool
1155
1156config BOOT_ELF32
1157	bool
1158
 
 
 
 
 
 
 
 
 
 
 
 
1159config MIPS_L1_CACHE_SHIFT
1160	int
1161	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1162	default "6" if MIPS_CPU_SCACHE
1163	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
 
1164	default "5"
1165
1166config HAVE_STD_PC_SERIAL_PORT
1167	bool
1168
1169config ARC_CONSOLE
1170	bool "ARC console support"
1171	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1172
1173config ARC_MEMORY
1174	bool
1175	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1176	default y
1177
1178config ARC_PROMLIB
1179	bool
1180	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1181	default y
1182
1183config ARC64
1184	bool
1185
1186config BOOT_ELF64
1187	bool
1188
1189menu "CPU selection"
1190
1191choice
1192	prompt "CPU type"
1193	default CPU_R4X00
1194
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1195config CPU_LOONGSON2E
1196	bool "Loongson 2E"
1197	depends on SYS_HAS_CPU_LOONGSON2E
1198	select CPU_LOONGSON2
1199	help
1200	  The Loongson 2E processor implements the MIPS III instruction set
1201	  with many extensions.
1202
1203	  It has an internal FPGA northbridge, which is compatible to
1204	  bonito64.
1205
1206config CPU_LOONGSON2F
1207	bool "Loongson 2F"
1208	depends on SYS_HAS_CPU_LOONGSON2F
1209	select CPU_LOONGSON2
1210	select GENERIC_GPIO
1211	select ARCH_REQUIRE_GPIOLIB
1212	help
1213	  The Loongson 2F processor implements the MIPS III instruction set
1214	  with many extensions.
1215
1216	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1217	  have a similar programming interface with FPGA northbridge used in
1218	  Loongson2E.
1219
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1220config CPU_MIPS32_R1
1221	bool "MIPS32 Release 1"
1222	depends on SYS_HAS_CPU_MIPS32_R1
1223	select CPU_HAS_PREFETCH
1224	select CPU_SUPPORTS_32BIT_KERNEL
1225	select CPU_SUPPORTS_HIGHMEM
1226	help
1227	  Choose this option to build a kernel for release 1 or later of the
1228	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1229	  MIPS processor are based on a MIPS32 processor.  If you know the
1230	  specific type of processor in your system, choose those that one
1231	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1232	  Release 2 of the MIPS32 architecture is available since several
1233	  years so chances are you even have a MIPS32 Release 2 processor
1234	  in which case you should choose CPU_MIPS32_R2 instead for better
1235	  performance.
1236
1237config CPU_MIPS32_R2
1238	bool "MIPS32 Release 2"
1239	depends on SYS_HAS_CPU_MIPS32_R2
1240	select CPU_HAS_PREFETCH
1241	select CPU_SUPPORTS_32BIT_KERNEL
1242	select CPU_SUPPORTS_HIGHMEM
 
1243	help
1244	  Choose this option to build a kernel for release 2 or later of the
1245	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1246	  MIPS processor are based on a MIPS32 processor.  If you know the
1247	  specific type of processor in your system, choose those that one
1248	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1249
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1250config CPU_MIPS64_R1
1251	bool "MIPS64 Release 1"
1252	depends on SYS_HAS_CPU_MIPS64_R1
1253	select CPU_HAS_PREFETCH
1254	select CPU_SUPPORTS_32BIT_KERNEL
1255	select CPU_SUPPORTS_64BIT_KERNEL
1256	select CPU_SUPPORTS_HIGHMEM
1257	select CPU_SUPPORTS_HUGEPAGES
1258	help
1259	  Choose this option to build a kernel for release 1 or later of the
1260	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1261	  MIPS processor are based on a MIPS64 processor.  If you know the
1262	  specific type of processor in your system, choose those that one
1263	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1264	  Release 2 of the MIPS64 architecture is available since several
1265	  years so chances are you even have a MIPS64 Release 2 processor
1266	  in which case you should choose CPU_MIPS64_R2 instead for better
1267	  performance.
1268
1269config CPU_MIPS64_R2
1270	bool "MIPS64 Release 2"
1271	depends on SYS_HAS_CPU_MIPS64_R2
1272	select CPU_HAS_PREFETCH
1273	select CPU_SUPPORTS_32BIT_KERNEL
1274	select CPU_SUPPORTS_64BIT_KERNEL
1275	select CPU_SUPPORTS_HIGHMEM
1276	select CPU_SUPPORTS_HUGEPAGES
 
1277	help
1278	  Choose this option to build a kernel for release 2 or later of the
1279	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1280	  MIPS processor are based on a MIPS64 processor.  If you know the
1281	  specific type of processor in your system, choose those that one
1282	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1283
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1284config CPU_R3000
1285	bool "R3000"
1286	depends on SYS_HAS_CPU_R3000
1287	select CPU_HAS_WB
 
1288	select CPU_SUPPORTS_32BIT_KERNEL
1289	select CPU_SUPPORTS_HIGHMEM
1290	help
1291	  Please make sure to pick the right CPU type. Linux/MIPS is not
1292	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1293	  *not* work on R4000 machines and vice versa.  However, since most
1294	  of the supported machines have an R4000 (or similar) CPU, R4x00
1295	  might be a safe bet.  If the resulting kernel does not work,
1296	  try to recompile with R3000.
1297
1298config CPU_TX39XX
1299	bool "R39XX"
1300	depends on SYS_HAS_CPU_TX39XX
1301	select CPU_SUPPORTS_32BIT_KERNEL
1302
1303config CPU_VR41XX
1304	bool "R41xx"
1305	depends on SYS_HAS_CPU_VR41XX
1306	select CPU_SUPPORTS_32BIT_KERNEL
1307	select CPU_SUPPORTS_64BIT_KERNEL
1308	help
1309	  The options selects support for the NEC VR4100 series of processors.
1310	  Only choose this option if you have one of these processors as a
1311	  kernel built with this option will not run on any other type of
1312	  processor or vice versa.
1313
1314config CPU_R4300
1315	bool "R4300"
1316	depends on SYS_HAS_CPU_R4300
1317	select CPU_SUPPORTS_32BIT_KERNEL
1318	select CPU_SUPPORTS_64BIT_KERNEL
1319	help
1320	  MIPS Technologies R4300-series processors.
1321
1322config CPU_R4X00
1323	bool "R4x00"
1324	depends on SYS_HAS_CPU_R4X00
1325	select CPU_SUPPORTS_32BIT_KERNEL
1326	select CPU_SUPPORTS_64BIT_KERNEL
 
1327	help
1328	  MIPS Technologies R4000-series processors other than 4300, including
1329	  the R4000, R4400, R4600, and 4700.
1330
1331config CPU_TX49XX
1332	bool "R49XX"
1333	depends on SYS_HAS_CPU_TX49XX
1334	select CPU_HAS_PREFETCH
1335	select CPU_SUPPORTS_32BIT_KERNEL
1336	select CPU_SUPPORTS_64BIT_KERNEL
 
1337
1338config CPU_R5000
1339	bool "R5000"
1340	depends on SYS_HAS_CPU_R5000
1341	select CPU_SUPPORTS_32BIT_KERNEL
1342	select CPU_SUPPORTS_64BIT_KERNEL
 
1343	help
1344	  MIPS Technologies R5000-series processors other than the Nevada.
1345
1346config CPU_R5432
1347	bool "R5432"
1348	depends on SYS_HAS_CPU_R5432
1349	select CPU_SUPPORTS_32BIT_KERNEL
1350	select CPU_SUPPORTS_64BIT_KERNEL
1351
1352config CPU_R5500
1353	bool "R5500"
1354	depends on SYS_HAS_CPU_R5500
1355	select CPU_SUPPORTS_32BIT_KERNEL
1356	select CPU_SUPPORTS_64BIT_KERNEL
1357	select CPU_SUPPORTS_HUGEPAGES
1358	help
1359	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1360	  instruction set.
1361
1362config CPU_R6000
1363	bool "R6000"
1364	depends on EXPERIMENTAL
1365	depends on SYS_HAS_CPU_R6000
1366	select CPU_SUPPORTS_32BIT_KERNEL
1367	help
1368	  MIPS Technologies R6000 and R6000A series processors.  Note these
1369	  processors are extremely rare and the support for them is incomplete.
1370
1371config CPU_NEVADA
1372	bool "RM52xx"
1373	depends on SYS_HAS_CPU_NEVADA
1374	select CPU_SUPPORTS_32BIT_KERNEL
1375	select CPU_SUPPORTS_64BIT_KERNEL
 
1376	help
1377	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1378
1379config CPU_R8000
1380	bool "R8000"
1381	depends on EXPERIMENTAL
1382	depends on SYS_HAS_CPU_R8000
1383	select CPU_HAS_PREFETCH
1384	select CPU_SUPPORTS_64BIT_KERNEL
1385	help
1386	  MIPS Technologies R8000 processors.  Note these processors are
1387	  uncommon and the support for them is incomplete.
1388
1389config CPU_R10000
1390	bool "R10000"
1391	depends on SYS_HAS_CPU_R10000
1392	select CPU_HAS_PREFETCH
1393	select CPU_SUPPORTS_32BIT_KERNEL
1394	select CPU_SUPPORTS_64BIT_KERNEL
1395	select CPU_SUPPORTS_HIGHMEM
 
1396	help
1397	  MIPS Technologies R10000-series processors.
1398
1399config CPU_RM7000
1400	bool "RM7000"
1401	depends on SYS_HAS_CPU_RM7000
1402	select CPU_HAS_PREFETCH
1403	select CPU_SUPPORTS_32BIT_KERNEL
1404	select CPU_SUPPORTS_64BIT_KERNEL
1405	select CPU_SUPPORTS_HIGHMEM
1406
1407config CPU_RM9000
1408	bool "RM9000"
1409	depends on SYS_HAS_CPU_RM9000
1410	select CPU_HAS_PREFETCH
1411	select CPU_SUPPORTS_32BIT_KERNEL
1412	select CPU_SUPPORTS_64BIT_KERNEL
1413	select CPU_SUPPORTS_HIGHMEM
1414	select WEAK_ORDERING
1415
1416config CPU_SB1
1417	bool "SB1"
1418	depends on SYS_HAS_CPU_SB1
1419	select CPU_SUPPORTS_32BIT_KERNEL
1420	select CPU_SUPPORTS_64BIT_KERNEL
1421	select CPU_SUPPORTS_HIGHMEM
 
1422	select WEAK_ORDERING
1423
1424config CPU_CAVIUM_OCTEON
1425	bool "Cavium Octeon processor"
1426	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1427	select ARCH_SPARSEMEM_ENABLE
1428	select CPU_HAS_PREFETCH
1429	select CPU_SUPPORTS_64BIT_KERNEL
1430	select SYS_SUPPORTS_SMP
1431	select NR_CPUS_DEFAULT_16
1432	select WEAK_ORDERING
1433	select CPU_SUPPORTS_HIGHMEM
1434	select CPU_SUPPORTS_HUGEPAGES
 
 
 
 
1435	help
1436	  The Cavium Octeon processor is a highly integrated chip containing
1437	  many ethernet hardware widgets for networking tasks. The processor
1438	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1439	  Full details can be found at http://www.caviumnetworks.com.
1440
1441config CPU_BMIPS3300
1442	bool "BMIPS3300"
1443	depends on SYS_HAS_CPU_BMIPS3300
1444	select CPU_BMIPS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1445	help
1446	  Broadcom BMIPS3300 processors.
1447
1448config CPU_BMIPS4350
1449	bool "BMIPS4350"
1450	depends on SYS_HAS_CPU_BMIPS4350
1451	select CPU_BMIPS
1452	select SYS_SUPPORTS_SMP
1453	select SYS_SUPPORTS_HOTPLUG_CPU
1454	help
1455	  Broadcom BMIPS4350 ("VIPER") processors.
1456
1457config CPU_BMIPS4380
1458	bool "BMIPS4380"
1459	depends on SYS_HAS_CPU_BMIPS4380
1460	select CPU_BMIPS
1461	select SYS_SUPPORTS_SMP
1462	select SYS_SUPPORTS_HOTPLUG_CPU
1463	help
1464	  Broadcom BMIPS4380 processors.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1465
1466config CPU_BMIPS5000
1467	bool "BMIPS5000"
1468	depends on SYS_HAS_CPU_BMIPS5000
1469	select CPU_BMIPS
1470	select CPU_SUPPORTS_HIGHMEM
1471	select MIPS_CPU_SCACHE
1472	select SYS_SUPPORTS_SMP
1473	select SYS_SUPPORTS_HOTPLUG_CPU
1474	help
1475	  Broadcom BMIPS5000 processors.
 
 
1476
1477config CPU_XLR
1478	bool "Netlogic XLR SoC"
1479	depends on SYS_HAS_CPU_XLR
1480	select CPU_SUPPORTS_32BIT_KERNEL
1481	select CPU_SUPPORTS_64BIT_KERNEL
1482	select CPU_SUPPORTS_HIGHMEM
1483	select WEAK_ORDERING
1484	select WEAK_REORDERING_BEYOND_LLSC
1485	select CPU_SUPPORTS_HUGEPAGES
 
 
 
 
 
 
1486	help
1487	  Netlogic Microsystems XLR/XLS processors.
 
 
1488
1489config CPU_XLP
1490	bool "Netlogic XLP SoC"
1491	depends on SYS_HAS_CPU_XLP
1492	select CPU_SUPPORTS_32BIT_KERNEL
1493	select CPU_SUPPORTS_64BIT_KERNEL
1494	select CPU_SUPPORTS_HIGHMEM
1495	select CPU_HAS_LLSC
1496	select WEAK_ORDERING
1497	select WEAK_REORDERING_BEYOND_LLSC
1498	select CPU_HAS_PREFETCH
1499	help
1500	  Netlogic Microsystems XLP processors.
1501endchoice
 
 
 
 
1502
1503if CPU_LOONGSON2F
1504config CPU_NOP_WORKAROUNDS
1505	bool
1506
1507config CPU_JUMP_WORKAROUNDS
1508	bool
1509
1510config CPU_LOONGSON2F_WORKAROUNDS
1511	bool "Loongson 2F Workarounds"
1512	default y
1513	select CPU_NOP_WORKAROUNDS
1514	select CPU_JUMP_WORKAROUNDS
1515	help
1516	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1517	  require workarounds.  Without workarounds the system may hang
1518	  unexpectedly.  For more information please refer to the gas
1519	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1520
1521	  Loongson 2F03 and later have fixed these issues and no workarounds
1522	  are needed.  The workarounds have no significant side effect on them
1523	  but may decrease the performance of the system so this option should
1524	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1525	  systems.
1526
1527	  If unsure, please say Y.
1528endif # CPU_LOONGSON2F
1529
1530config SYS_SUPPORTS_ZBOOT
1531	bool
1532	select HAVE_KERNEL_GZIP
1533	select HAVE_KERNEL_BZIP2
 
1534	select HAVE_KERNEL_LZMA
1535	select HAVE_KERNEL_LZO
 
 
1536
1537config SYS_SUPPORTS_ZBOOT_UART16550
1538	bool
1539	select SYS_SUPPORTS_ZBOOT
1540
1541config CPU_LOONGSON2
 
 
 
 
1542	bool
1543	select CPU_SUPPORTS_32BIT_KERNEL
1544	select CPU_SUPPORTS_64BIT_KERNEL
1545	select CPU_SUPPORTS_HIGHMEM
 
1546
1547config CPU_BMIPS
1548	bool
1549	select CPU_MIPS32
 
 
1550	select CPU_SUPPORTS_32BIT_KERNEL
1551	select DMA_NONCOHERENT
1552	select IRQ_CPU
1553	select SWAP_IO_SPACE
1554	select WEAK_ORDERING
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1555
1556config SYS_HAS_CPU_LOONGSON2E
1557	bool
1558
1559config SYS_HAS_CPU_LOONGSON2F
1560	bool
1561	select CPU_SUPPORTS_CPUFREQ
1562	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1563	select CPU_SUPPORTS_UNCACHED_ACCELERATED
 
 
 
 
 
1564
1565config SYS_HAS_CPU_MIPS32_R1
1566	bool
1567
1568config SYS_HAS_CPU_MIPS32_R2
1569	bool
1570
 
 
 
 
 
 
 
 
 
1571config SYS_HAS_CPU_MIPS64_R1
1572	bool
1573
1574config SYS_HAS_CPU_MIPS64_R2
1575	bool
1576
1577config SYS_HAS_CPU_R3000
 
 
 
1578	bool
1579
1580config SYS_HAS_CPU_TX39XX
1581	bool
1582
1583config SYS_HAS_CPU_VR41XX
1584	bool
1585
1586config SYS_HAS_CPU_R4300
1587	bool
1588
1589config SYS_HAS_CPU_R4X00
1590	bool
1591
1592config SYS_HAS_CPU_TX49XX
1593	bool
1594
1595config SYS_HAS_CPU_R5000
1596	bool
1597
1598config SYS_HAS_CPU_R5432
1599	bool
1600
1601config SYS_HAS_CPU_R5500
1602	bool
1603
1604config SYS_HAS_CPU_R6000
1605	bool
1606
1607config SYS_HAS_CPU_NEVADA
1608	bool
1609
1610config SYS_HAS_CPU_R8000
1611	bool
1612
1613config SYS_HAS_CPU_R10000
1614	bool
1615
1616config SYS_HAS_CPU_RM7000
1617	bool
1618
1619config SYS_HAS_CPU_RM9000
1620	bool
1621
1622config SYS_HAS_CPU_SB1
1623	bool
1624
1625config SYS_HAS_CPU_CAVIUM_OCTEON
1626	bool
1627
1628config SYS_HAS_CPU_BMIPS3300
1629	bool
1630
 
 
 
 
1631config SYS_HAS_CPU_BMIPS4350
1632	bool
 
1633
1634config SYS_HAS_CPU_BMIPS4380
1635	bool
 
1636
1637config SYS_HAS_CPU_BMIPS5000
1638	bool
1639
1640config SYS_HAS_CPU_XLR
1641	bool
1642
1643config SYS_HAS_CPU_XLP
1644	bool
1645
1646#
1647# CPU may reorder R->R, R->W, W->R, W->W
1648# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1649#
1650config WEAK_ORDERING
1651	bool
1652
1653#
1654# CPU may reorder reads and writes beyond LL/SC
1655# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1656#
1657config WEAK_REORDERING_BEYOND_LLSC
1658	bool
1659endmenu
1660
1661#
1662# These two indicate any level of the MIPS32 and MIPS64 architecture
1663#
1664config CPU_MIPS32
1665	bool
1666	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
 
1667
1668config CPU_MIPS64
1669	bool
1670	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
 
1671
1672#
1673# These two indicate the revision of the architecture, either Release 1 or Release 2
1674#
1675config CPU_MIPSR1
1676	bool
1677	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1678
1679config CPU_MIPSR2
1680	bool
1681	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1682
1683config SYS_SUPPORTS_32BIT_KERNEL
1684	bool
1685config SYS_SUPPORTS_64BIT_KERNEL
1686	bool
1687config CPU_SUPPORTS_32BIT_KERNEL
1688	bool
1689config CPU_SUPPORTS_64BIT_KERNEL
1690	bool
1691config CPU_SUPPORTS_CPUFREQ
1692	bool
1693config CPU_SUPPORTS_ADDRWINCFG
1694	bool
1695config CPU_SUPPORTS_HUGEPAGES
1696	bool
1697config CPU_SUPPORTS_UNCACHED_ACCELERATED
 
1698	bool
1699config MIPS_PGD_C0_CONTEXT
1700	bool
1701	default y if 64BIT && CPU_MIPSR2
 
1702
1703#
1704# Set to y for ptrace access to watch registers.
1705#
1706config HARDWARE_WATCHPOINTS
1707       bool
1708       default y if CPU_MIPSR1 || CPU_MIPSR2
1709
1710menu "Kernel type"
1711
1712choice
1713
1714	prompt "Kernel code model"
1715	help
1716	  You should only select this option if you have a workload that
1717	  actually benefits from 64-bit processing or if your machine has
1718	  large memory.  You will only be presented a single option in this
1719	  menu if your system does not support both 32-bit and 64-bit kernels.
1720
1721config 32BIT
1722	bool "32-bit kernel"
1723	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1724	select TRAD_SIGNALS
1725	help
1726	  Select this option if you want to build a 32-bit kernel.
 
1727config 64BIT
1728	bool "64-bit kernel"
1729	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1730	select HAVE_SYSCALL_WRAPPERS
1731	help
1732	  Select this option if you want to build a 64-bit kernel.
1733
1734endchoice
1735
1736choice
1737	prompt "Kernel page size"
1738	default PAGE_SIZE_4KB
 
 
 
 
 
 
 
1739
1740config PAGE_SIZE_4KB
1741	bool "4kB"
1742	depends on !CPU_LOONGSON2
1743	help
1744	 This option select the standard 4kB Linux page size.  On some
1745	 R3000-family processors this is the only available page size.  Using
1746	 4kB page size will minimize memory consumption and is therefore
1747	 recommended for low memory systems.
1748
1749config PAGE_SIZE_8KB
1750	bool "8kB"
1751	depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1752	help
1753	  Using 8kB page size will result in higher performance kernel at
1754	  the price of higher memory consumption.  This option is available
1755	  only on R8000 and cnMIPS processors.  Note that you will need a
1756	  suitable Linux distribution to support this.
1757
1758config PAGE_SIZE_16KB
1759	bool "16kB"
1760	depends on !CPU_R3000 && !CPU_TX39XX
1761	help
1762	  Using 16kB page size will result in higher performance kernel at
1763	  the price of higher memory consumption.  This option is available on
1764	  all non-R3000 family processors.  Note that you will need a suitable
1765	  Linux distribution to support this.
1766
1767config PAGE_SIZE_32KB
1768	bool "32kB"
1769	depends on CPU_CAVIUM_OCTEON
1770	help
1771	  Using 32kB page size will result in higher performance kernel at
1772	  the price of higher memory consumption.  This option is available
1773	  only on cnMIPS cores.  Note that you will need a suitable Linux
1774	  distribution to support this.
1775
1776config PAGE_SIZE_64KB
1777	bool "64kB"
1778	depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1779	help
1780	  Using 64kB page size will result in higher performance kernel at
1781	  the price of higher memory consumption.  This option is available on
1782	  all non-R3000 family processor.  Not that at the time of this
1783	  writing this option is still high experimental.
1784
1785endchoice
 
 
 
 
 
 
1786
1787config FORCE_MAX_ZONEORDER
 
 
1788	int "Maximum zone order"
1789	range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1790	default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1791	range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1792	default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1793	range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1794	default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
1795	range 11 64
1796	default "11"
1797	help
1798	  The kernel memory allocator divides physically contiguous memory
1799	  blocks into "zones", where each zone is a power of two number of
1800	  pages.  This option selects the largest power of two that the kernel
1801	  keeps in the memory allocator.  If you need to allocate very large
1802	  blocks of physically contiguous memory, then you may need to
1803	  increase this value.
1804
1805	  This config option is actually maximum order plus one. For example,
1806	  a value of 11 means that the largest free memory block is 2^10 pages.
1807
1808	  The page size is not necessarily 4KB.  Keep this in mind
1809	  when choosing a value for this option.
1810
1811config BOARD_SCACHE
1812	bool
1813
1814config IP22_CPU_SCACHE
1815	bool
1816	select BOARD_SCACHE
1817
1818#
1819# Support for a MIPS32 / MIPS64 style S-caches
1820#
1821config MIPS_CPU_SCACHE
1822	bool
1823	select BOARD_SCACHE
1824
1825config R5000_CPU_SCACHE
1826	bool
1827	select BOARD_SCACHE
1828
1829config RM7000_CPU_SCACHE
1830	bool
1831	select BOARD_SCACHE
1832
1833config SIBYTE_DMA_PAGEOPS
1834	bool "Use DMA to clear/copy pages"
1835	depends on CPU_SB1
1836	help
1837	  Instead of using the CPU to zero and copy pages, use a Data Mover
1838	  channel.  These DMA channels are otherwise unused by the standard
1839	  SiByte Linux port.  Seems to give a small performance benefit.
1840
1841config CPU_HAS_PREFETCH
1842	bool
1843
1844choice
1845	prompt "MIPS MT options"
 
1846
1847config MIPS_MT_DISABLED
1848	bool "Disable multithreading support."
 
1849	help
1850	  Use this option if your workload can't take advantage of
1851	  MIPS hardware multithreading support.  On systems that don't have
1852	  the option of an MT-enabled processor this option will be the only
1853	  option in this menu.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1854
1855config MIPS_MT_SMP
1856	bool "Use 1 TC on each available VPE for SMP"
1857	depends on SYS_SUPPORTS_MULTITHREADING
 
 
1858	select CPU_MIPSR2_IRQ_VI
1859	select CPU_MIPSR2_IRQ_EI
 
1860	select MIPS_MT
1861	select NR_CPUS_DEFAULT_2
1862	select SMP
1863	select SYS_SUPPORTS_SCHED_SMT if SMP
1864	select SYS_SUPPORTS_SMP
1865	select SMP_UP
1866	help
1867	  This is a kernel model which is known a VSMP but lately has been
1868	  marketesed into SMVP.
1869	  Virtual SMP uses the processor's VPEs  to implement virtual
1870	  processors. In currently available configuration of the 34K processor
1871	  this allows for a dual processor. Both processors will share the same
1872	  primary caches; each will obtain the half of the TLB for it's own
1873	  exclusive use. For a layman this model can be described as similar to
1874	  what Intel calls Hyperthreading.
1875
1876	  For further information see http://www.linux-mips.org/wiki/34K#VSMP
1877
1878config MIPS_MT_SMTC
1879	bool "SMTC: Use all TCs on all VPEs for SMP"
1880	depends on CPU_MIPS32_R2
1881	#depends on CPU_MIPS64_R2		# once there is hardware ...
1882	depends on SYS_SUPPORTS_MULTITHREADING
1883	select CPU_MIPSR2_IRQ_VI
1884	select CPU_MIPSR2_IRQ_EI
1885	select MIPS_MT
1886	select NR_CPUS_DEFAULT_8
1887	select SMP
1888	select SYS_SUPPORTS_SMP
1889	select SMP_UP
 
1890	help
1891	  This is a kernel model which is known a SMTC or lately has been
1892	  marketesed into SMVP.
1893	  is presenting the available TC's of the core as processors to Linux.
1894	  On currently available 34K processors this means a Linux system will
1895	  see up to 5 processors. The implementation of the SMTC kernel differs
1896	  significantly from VSMP and cannot efficiently coexist in the same
1897	  kernel binary so the choice between VSMP and SMTC is a compile time
1898	  decision.
1899
1900	  For further information see http://www.linux-mips.org/wiki/34K#SMTC
1901
1902endchoice
1903
1904config MIPS_MT
1905	bool
1906
1907config SCHED_SMT
1908	bool "SMT (multithreading) scheduler support"
1909	depends on SYS_SUPPORTS_SCHED_SMT
1910	default n
1911	help
1912	  SMT scheduler support improves the CPU scheduler's decision making
1913	  when dealing with MIPS MT enabled cores at a cost of slightly
1914	  increased overhead in some places. If unsure say N here.
1915
1916config SYS_SUPPORTS_SCHED_SMT
1917	bool
1918
1919
1920config SYS_SUPPORTS_MULTITHREADING
1921	bool
1922
1923config MIPS_MT_FPAFF
1924	bool "Dynamic FPU affinity for FP-intensive threads"
1925	default y
1926	depends on MIPS_MT_SMP || MIPS_MT_SMTC
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1927
1928config MIPS_VPE_LOADER
1929	bool "VPE loader support."
1930	depends on SYS_SUPPORTS_MULTITHREADING
1931	select CPU_MIPSR2_IRQ_VI
1932	select CPU_MIPSR2_IRQ_EI
1933	select MIPS_MT
1934	help
1935	  Includes a loader for loading an elf relocatable object
1936	  onto another VPE and running it.
1937
1938config MIPS_MT_SMTC_IM_BACKSTOP
1939	bool "Use per-TC register bits as backstop for inhibited IM bits"
1940	depends on MIPS_MT_SMTC
1941	default n
1942	help
1943	  To support multiple TC microthreads acting as "CPUs" within
1944	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
1945	  during interrupt handling. To support legacy drivers and interrupt
1946	  controller management code, SMTC has a "backstop" to track and
1947	  if necessary restore the interrupt mask. This has some performance
1948	  impact on interrupt service overhead.
1949
1950config MIPS_MT_SMTC_IRQAFF
1951	bool "Support IRQ affinity API"
1952	depends on MIPS_MT_SMTC
1953	default n
1954	help
1955	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1956	  for SMTC Linux kernel. Requires platform support, of which
1957	  an example can be found in the MIPS kernel i8259 and Malta
1958	  platform code.  Adds some overhead to interrupt dispatch, and
1959	  should be used only if you know what you are doing.
1960
1961config MIPS_VPE_LOADER_TOM
1962	bool "Load VPE program into memory hidden from linux"
1963	depends on MIPS_VPE_LOADER
1964	default y
1965	help
1966	  The loader can use memory that is present but has been hidden from
1967	  Linux using the kernel command line option "mem=xxMB". It's up to
1968	  you to ensure the amount you put in the option and the space your
1969	  program requires is less or equal to the amount physically present.
1970
1971# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1972config MIPS_VPE_APSP_API
1973	bool "Enable support for AP/SP API (RTLX)"
1974	depends on MIPS_VPE_LOADER
1975	help
1976
1977config MIPS_APSP_KSPD
1978	bool "Enable KSPD"
 
1979	depends on MIPS_VPE_APSP_API
1980	default y
1981	help
1982	  KSPD is a kernel daemon that accepts syscall requests from the SP
1983	  side, actions them and returns the results. It also handles the
1984	  "exit" syscall notifying other kernel modules the SP program is
1985	  exiting.  You probably want to say yes here.
1986
1987config MIPS_CMP
1988	bool "MIPS CMP framework support"
1989	depends on SYS_SUPPORTS_MIPS_CMP
1990	select SYNC_R4K
1991	select SYS_SUPPORTS_SMP
1992	select SYS_SUPPORTS_SCHED_SMT if SMP
1993	select WEAK_ORDERING
1994	default n
1995	help
1996	  This is a placeholder option for the GCMP work. It will need to
1997	  be handled differently...
 
 
 
1998
1999config SB1_PASS_1_WORKAROUNDS
 
 
 
 
 
 
 
 
2000	bool
2001	depends on CPU_SB1_PASS_1
2002	default y
2003
2004config SB1_PASS_2_WORKAROUNDS
2005	bool
2006	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2007	default y
2008
2009config SB1_PASS_2_1_WORKAROUNDS
2010	bool
2011	depends on CPU_SB1 && CPU_SB1_PASS_2
2012	default y
2013
2014config 64BIT_PHYS_ADDR
2015	bool
2016
2017config ARCH_PHYS_ADDR_T_64BIT
2018       def_bool 64BIT_PHYS_ADDR
 
 
2019
2020config CPU_HAS_SMARTMIPS
2021	depends on SYS_SUPPORTS_SMARTMIPS
2022	bool "Support for the SmartMIPS ASE"
2023	help
2024	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2025	  increased security at both hardware and software level for
2026	  smartcards.  Enabling this option will allow proper use of the
2027	  SmartMIPS instructions by Linux applications.  However a kernel with
2028	  this option will not work on a MIPS core without SmartMIPS core.  If
2029	  you don't know you probably don't have SmartMIPS and should say N
2030	  here.
2031
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2032config CPU_HAS_WB
2033	bool
2034
2035config XKS01
2036	bool
2037
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2038#
2039# Vectored interrupt mode is an R2 feature
2040#
2041config CPU_MIPSR2_IRQ_VI
2042	bool
2043
2044#
2045# Extended interrupt mode is an R2 feature
2046#
2047config CPU_MIPSR2_IRQ_EI
2048	bool
2049
2050config CPU_HAS_SYNC
2051	bool
2052	depends on !CPU_R3000
2053	default y
2054
2055#
2056# CPU non-features
2057#
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2058config CPU_DADDI_WORKAROUNDS
2059	bool
2060
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2061config CPU_R4000_WORKAROUNDS
2062	bool
2063	select CPU_R4400_WORKAROUNDS
2064
 
 
 
 
 
 
2065config CPU_R4400_WORKAROUNDS
2066	bool
2067
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2068#
2069# - Highmem only makes sense for the 32-bit kernel.
2070# - The current highmem code will only work properly on physically indexed
2071#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2072#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2073#   moment we protect the user and offer the highmem option only on machines
2074#   where it's known to be safe.  This will not offer highmem on a few systems
2075#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2076#   indexed CPUs but we're playing safe.
2077# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2078#   know they might have memory configurations that could make use of highmem
2079#   support.
2080#
2081config HIGHMEM
2082	bool "High Memory Support"
2083	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
 
2084
2085config CPU_SUPPORTS_HIGHMEM
2086	bool
2087
2088config SYS_SUPPORTS_HIGHMEM
2089	bool
2090
2091config SYS_SUPPORTS_SMARTMIPS
2092	bool
2093
2094config ARCH_FLATMEM_ENABLE
2095	def_bool y
2096	depends on !NUMA && !CPU_LOONGSON2
2097
2098config ARCH_DISCONTIGMEM_ENABLE
2099	bool
2100	default y if SGI_IP27
2101	help
2102	  Say Y to support efficient handling of discontiguous physical memory,
2103	  for architectures which are either NUMA (Non-Uniform Memory Access)
2104	  or have huge holes in the physical address space for other reasons.
2105	  See <file:Documentation/vm/numa> for more.
 
 
 
 
 
 
2106
2107config ARCH_SPARSEMEM_ENABLE
2108	bool
2109	select SPARSEMEM_STATIC
2110
2111config NUMA
2112	bool "NUMA Support"
2113	depends on SYS_SUPPORTS_NUMA
 
 
 
2114	help
2115	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2116	  Access).  This option improves performance on systems with more
2117	  than two nodes; on two node systems it is generally better to
2118	  leave it disabled; on single node systems disable this option
2119	  disabled.
2120
2121config SYS_SUPPORTS_NUMA
2122	bool
2123
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2124config NODES_SHIFT
2125	int
2126	default "6"
2127	depends on NEED_MULTIPLE_NODES
2128
2129config HW_PERF_EVENTS
2130	bool "Enable hardware performance counter support for perf events"
2131	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
2132	default y
2133	help
2134	  Enable hardware performance counter support for perf events. If
2135	  disabled, perf events will use software events only.
2136
2137source "mm/Kconfig"
 
 
 
 
 
 
 
 
 
2138
2139config SMP
2140	bool "Multi-Processing support"
2141	depends on SYS_SUPPORTS_SMP
2142	select IRQ_PER_CPU
2143	select USE_GENERIC_SMP_HELPERS
2144	help
2145	  This enables support for systems with more than one CPU. If you have
2146	  a system with only one CPU, like most personal computers, say N. If
2147	  you have a system with more than one CPU, say Y.
2148
2149	  If you say N here, the kernel will run on single and multiprocessor
2150	  machines, but will use only one CPU of a multiprocessor machine. If
2151	  you say Y here, the kernel will run on many, but not all,
2152	  singleprocessor machines. On a singleprocessor machine, the kernel
2153	  will run faster if you say N here.
2154
2155	  People using multiprocessor machines who say Y here should also say
2156	  Y to "Enhanced Real Time Clock Support", below.
2157
2158	  See also the SMP-HOWTO available at
2159	  <http://www.tldp.org/docs.html#howto>.
2160
2161	  If you don't know what to do here, say N.
2162
 
 
 
 
 
 
 
 
 
 
2163config SMP_UP
2164	bool
2165
2166config SYS_SUPPORTS_MIPS_CMP
2167	bool
2168
2169config SYS_SUPPORTS_SMP
2170	bool
2171
2172config NR_CPUS_DEFAULT_1
2173	bool
2174
2175config NR_CPUS_DEFAULT_2
2176	bool
2177
2178config NR_CPUS_DEFAULT_4
2179	bool
2180
2181config NR_CPUS_DEFAULT_8
2182	bool
2183
2184config NR_CPUS_DEFAULT_16
2185	bool
2186
2187config NR_CPUS_DEFAULT_32
2188	bool
2189
2190config NR_CPUS_DEFAULT_64
2191	bool
2192
2193config NR_CPUS
2194	int "Maximum number of CPUs (2-64)"
2195	range 1 64 if NR_CPUS_DEFAULT_1
2196	depends on SMP
2197	default "1" if NR_CPUS_DEFAULT_1
2198	default "2" if NR_CPUS_DEFAULT_2
2199	default "4" if NR_CPUS_DEFAULT_4
2200	default "8" if NR_CPUS_DEFAULT_8
2201	default "16" if NR_CPUS_DEFAULT_16
2202	default "32" if NR_CPUS_DEFAULT_32
2203	default "64" if NR_CPUS_DEFAULT_64
2204	help
2205	  This allows you to specify the maximum number of CPUs which this
2206	  kernel will support.  The maximum supported value is 32 for 32-bit
2207	  kernel and 64 for 64-bit kernels; the minimum value which makes
2208	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2209	  and 2 for all others.
2210
2211	  This is purely to save memory - each supported CPU adds
2212	  approximately eight kilobytes to the kernel image.  For best
2213	  performance should round up your number of processors to the next
2214	  power of two.
2215
 
 
 
 
 
 
 
 
 
 
 
 
2216#
2217# Timer Interrupt Frequency Configuration
2218#
2219
2220choice
2221	prompt "Timer frequency"
2222	default HZ_250
2223	help
2224	 Allows the configuration of the timer frequency.
 
 
 
2225
2226	config HZ_48
2227		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2228
2229	config HZ_100
2230		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2231
2232	config HZ_128
2233		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2234
2235	config HZ_250
2236		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2237
2238	config HZ_256
2239		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2240
2241	config HZ_1000
2242		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2243
2244	config HZ_1024
2245		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2246
2247endchoice
2248
 
 
 
2249config SYS_SUPPORTS_48HZ
2250	bool
2251
2252config SYS_SUPPORTS_100HZ
2253	bool
2254
2255config SYS_SUPPORTS_128HZ
2256	bool
2257
2258config SYS_SUPPORTS_250HZ
2259	bool
2260
2261config SYS_SUPPORTS_256HZ
2262	bool
2263
2264config SYS_SUPPORTS_1000HZ
2265	bool
2266
2267config SYS_SUPPORTS_1024HZ
2268	bool
2269
2270config SYS_SUPPORTS_ARBIT_HZ
2271	bool
2272	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2273		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2274		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
 
 
 
 
2275		     !SYS_SUPPORTS_1024HZ
2276
2277config HZ
2278	int
 
2279	default 48 if HZ_48
2280	default 100 if HZ_100
2281	default 128 if HZ_128
2282	default 250 if HZ_250
2283	default 256 if HZ_256
2284	default 1000 if HZ_1000
2285	default 1024 if HZ_1024
2286
2287source "kernel/Kconfig.preempt"
 
2288
2289config KEXEC
2290	bool "Kexec system call (EXPERIMENTAL)"
2291	depends on EXPERIMENTAL
2292	help
2293	  kexec is a system call that implements the ability to shutdown your
2294	  current kernel, and to start another kernel.  It is like a reboot
2295	  but it is independent of the system firmware.   And like a reboot
2296	  you can start any kernel with it, not just Linux.
2297
2298	  The name comes from the similarity to the exec system call.
2299
2300	  It is an ongoing process to be certain the hardware in a machine
2301	  is properly shutdown, so do not be surprised if this code does not
2302	  initially work for you.  It may help to enable device hotplugging
2303	  support.  As of this writing the exact hardware interface is
2304	  strongly in flux, so no good recommendation can be made.
2305
2306config SECCOMP
2307	bool "Enable seccomp to safely compute untrusted bytecode"
2308	depends on PROC_FS
2309	default y
2310	help
2311	  This kernel feature is useful for number crunching applications
2312	  that may need to compute untrusted bytecode during their
2313	  execution. By using pipes or other transports made available to
2314	  the process as file descriptors supporting the read/write
2315	  syscalls, it's possible to isolate those applications in
2316	  their own address space using seccomp. Once seccomp is
2317	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2318	  and the task is only allowed to execute a few safe syscalls
2319	  defined by each seccomp mode.
2320
2321	  If unsure, say Y. Only embedded should say N here.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2322
2323config USE_OF
2324	bool "Flattened Device Tree support"
2325	select OF
2326	select OF_EARLY_FLATTREE
2327	select IRQ_DOMAIN
2328	help
2329	  Include support for flattened device tree machine descriptions.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2330
2331endmenu
2332
2333config LOCKDEP_SUPPORT
2334	bool
2335	default y
2336
2337config STACKTRACE_SUPPORT
2338	bool
2339	default y
2340
2341source "init/Kconfig"
 
 
 
 
2342
2343source "kernel/Kconfig.freezer"
 
2344
2345menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2346
2347config HW_HAS_EISA
2348	bool
2349config HW_HAS_PCI
2350	bool
2351
2352config PCI
2353	bool "Support for PCI controller"
2354	depends on HW_HAS_PCI
2355	select PCI_DOMAINS
2356	select GENERIC_PCI_IOMAP
2357	select NO_GENERIC_PCI_IOPORT_MAP
2358	help
2359	  Find out whether you have a PCI motherboard. PCI is the name of a
2360	  bus system, i.e. the way the CPU talks to the other stuff inside
2361	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2362	  say Y, otherwise N.
2363
2364config PCI_DOMAINS
2365	bool
2366
2367source "drivers/pci/Kconfig"
2368
2369#
2370# ISA support is now enabled via select.  Too many systems still have the one
2371# or other ISA chip on the board that users don't know about so don't expect
2372# users to choose the right thing ...
2373#
2374config ISA
2375	bool
2376
2377config EISA
2378	bool "EISA support"
2379	depends on HW_HAS_EISA
2380	select ISA
2381	select GENERIC_ISA_DMA
2382	---help---
2383	  The Extended Industry Standard Architecture (EISA) bus was
2384	  developed as an open alternative to the IBM MicroChannel bus.
2385
2386	  The EISA bus provided some of the features of the IBM MicroChannel
2387	  bus while maintaining backward compatibility with cards made for
2388	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2389	  1995 when it was made obsolete by the PCI bus.
2390
2391	  Say Y here if you are building a kernel for an EISA-based machine.
2392
2393	  Otherwise, say N.
2394
2395source "drivers/eisa/Kconfig"
2396
2397config TC
2398	bool "TURBOchannel support"
2399	depends on MACH_DECSTATION
2400	help
2401	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2402	  processors.  TURBOchannel programming specifications are available
2403	  at:
2404	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2405	  and:
2406	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2407	  Linux driver support status is documented at:
2408	  <http://www.linux-mips.org/wiki/DECstation>
2409
2410config MMU
2411	bool
2412	default y
2413
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2414config I8253
2415	bool
2416	select CLKSRC_I8253
2417	select CLKEVT_I8253
2418	select MIPS_EXTERNAL_TIMER
2419
2420config ZONE_DMA32
2421	bool
2422
2423source "drivers/pcmcia/Kconfig"
2424
2425source "drivers/pci/hotplug/Kconfig"
2426
2427config RAPIDIO
2428	bool "RapidIO support"
2429	depends on PCI
2430	default n
2431	help
2432	  If you say Y here, the kernel will include drivers and
2433	  infrastructure code to support RapidIO interconnect devices.
2434
2435source "drivers/rapidio/Kconfig"
2436
2437endmenu
2438
2439menu "Executable file formats"
2440
2441source "fs/Kconfig.binfmt"
2442
2443config TRAD_SIGNALS
2444	bool
2445
2446config MIPS32_COMPAT
2447	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2448	depends on 64BIT
2449	help
2450	  Select this option if you want Linux/MIPS 32-bit binary
2451	  compatibility. Since all software available for Linux/MIPS is
2452	  currently 32-bit you should say Y here.
2453
2454config COMPAT
2455	bool
2456	depends on MIPS32_COMPAT
2457	select ARCH_WANT_OLD_COMPAT_IPC
2458	default y
2459
2460config SYSVIPC_COMPAT
2461	bool
2462	depends on COMPAT && SYSVIPC
2463	default y
2464
2465config MIPS32_O32
2466	bool "Kernel support for o32 binaries"
2467	depends on MIPS32_COMPAT
 
 
 
2468	help
2469	  Select this option if you want to run o32 binaries.  These are pure
2470	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2471	  existing binaries are in this format.
2472
2473	  If unsure, say Y.
2474
2475config MIPS32_N32
2476	bool "Kernel support for n32 binaries"
2477	depends on MIPS32_COMPAT
 
 
 
2478	help
2479	  Select this option if you want to run n32 binaries.  These are
2480	  64-bit binaries using 32-bit quantities for addressing and certain
2481	  data that would normally be 64-bit.  They are used in special
2482	  cases.
2483
2484	  If unsure, say N.
2485
2486config BINFMT_ELF32
2487	bool
2488	default y if MIPS32_O32 || MIPS32_N32
2489
2490endmenu
 
 
2491
2492menu "Power management options"
2493
2494config ARCH_HIBERNATION_POSSIBLE
2495	def_bool y
2496	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2497
2498config ARCH_SUSPEND_POSSIBLE
2499	def_bool y
2500	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2501
2502source "kernel/power/Kconfig"
2503
2504endmenu
2505
2506source "arch/mips/kernel/cpufreq/Kconfig"
2507
2508source "net/Kconfig"
2509
2510source "drivers/Kconfig"
2511
2512source "fs/Kconfig"
 
 
2513
2514source "arch/mips/Kconfig.debug"
2515
2516source "security/Kconfig"
2517
2518source "crypto/Kconfig"
2519
2520source "lib/Kconfig"