1# For a description of the syntax of this configuration file, 2# see Documentation/kbuild/kconfig-language.txt. 3# 4 5mainmenu "Linux/PowerPC Kernel Configuration" 6 7config PPC64 8 bool "64-bit kernel" 9 default n 10 help 11 This option selects whether a 32-bit or a 64-bit kernel 12 will be built. 13 14config PPC32 15 bool 16 default y if !PPC64 17 18config 64BIT 19 bool 20 default y if PPC64 21 22config PPC_MERGE 23 def_bool y 24 25config MMU 26 bool 27 default y 28 29config UID16 30 bool 31 32config GENERIC_HARDIRQS 33 bool 34 default y 35 36config RWSEM_GENERIC_SPINLOCK 37 bool 38 39config RWSEM_XCHGADD_ALGORITHM 40 bool 41 default y 42 43config GENERIC_CALIBRATE_DELAY 44 bool 45 default y 46 47config PPC 48 bool 49 default y 50 51config EARLY_PRINTK 52 bool 53 default y if PPC64 54 55config COMPAT 56 bool 57 default y if PPC64 58 59config SYSVIPC_COMPAT 60 bool 61 depends on COMPAT && SYSVIPC 62 default y 63 64# All PPC32s use generic nvram driver through ppc_md 65config GENERIC_NVRAM 66 bool 67 default y if PPC32 68 69config SCHED_NO_NO_OMIT_FRAME_POINTER 70 bool 71 default y 72 73config ARCH_MAY_HAVE_PC_FDC 74 bool 75 default y 76 77menu "Processor support" 78choice 79 prompt "Processor Type" 80 depends on PPC32 81 default 6xx 82 83config 6xx 84 bool "6xx/7xx/74xx" 85 select PPC_FPU 86 help 87 There are four families of PowerPC chips supported. The more common 88 types (601, 603, 604, 740, 750, 7400), the Motorola embedded 89 versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC 90 embedded versions (403 and 405) and the high end 64 bit Power 91 processors (POWER 3, POWER4, and IBM PPC970 also known as G5). 92 93 Unless you are building a kernel for one of the embedded processor 94 systems, 64 bit IBM RS/6000 or an Apple G5, choose 6xx. 95 Note that the kernel runs in 32-bit mode even on 64-bit chips. 96 97config PPC_52xx 98 bool "Freescale 52xx" 99 100config PPC_82xx 101 bool "Freescale 82xx" 102 103config PPC_83xx 104 bool "Freescale 83xx" 105 106config 40x 107 bool "AMCC 40x" 108 109config 44x 110 bool "AMCC 44x" 111 112config 8xx 113 bool "Freescale 8xx" 114 115config E200 116 bool "Freescale e200" 117 118config E500 119 bool "Freescale e500" 120endchoice 121 122config POWER4_ONLY 123 bool "Optimize for POWER4" 124 depends on PPC64 125 default n 126 ---help--- 127 Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. 128 The resulting binary will not work on POWER3 or RS64 processors 129 when compiled with binutils 2.15 or later. 130 131config POWER3 132 bool 133 depends on PPC64 134 default y if !POWER4_ONLY 135 136config POWER4 137 depends on PPC64 138 def_bool y 139 140config PPC_FPU 141 bool 142 default y if PPC64 143 144config BOOKE 145 bool 146 depends on E200 || E500 147 default y 148 149config FSL_BOOKE 150 bool 151 depends on E200 || E500 152 default y 153 154config PTE_64BIT 155 bool 156 depends on 44x || E500 157 default y if 44x 158 default y if E500 && PHYS_64BIT 159 160config PHYS_64BIT 161 bool 'Large physical address support' if E500 162 depends on 44x || E500 163 default y if 44x 164 ---help--- 165 This option enables kernel support for larger than 32-bit physical 166 addresses. This features is not be available on all e500 cores. 167 168 If in doubt, say N here. 169 170config ALTIVEC 171 bool "AltiVec Support" 172 depends on 6xx || POWER4 173 ---help--- 174 This option enables kernel support for the Altivec extensions to the 175 PowerPC processor. The kernel currently supports saving and restoring 176 altivec registers, and turning on the 'altivec enable' bit so user 177 processes can execute altivec instructions. 178 179 This option is only usefully if you have a processor that supports 180 altivec (G4, otherwise known as 74xx series), but does not have 181 any affect on a non-altivec cpu (it does, however add code to the 182 kernel). 183 184 If in doubt, say Y here. 185 186config SPE 187 bool "SPE Support" 188 depends on E200 || E500 189 ---help--- 190 This option enables kernel support for the Signal Processing 191 Extensions (SPE) to the PowerPC processor. The kernel currently 192 supports saving and restoring SPE registers, and turning on the 193 'spe enable' bit so user processes can execute SPE instructions. 194 195 This option is only useful if you have a processor that supports 196 SPE (e500, otherwise known as 85xx series), but does not have any 197 effect on a non-spe cpu (it does, however add code to the kernel). 198 199 If in doubt, say Y here. 200 201config PPC_STD_MMU 202 bool 203 depends on 6xx || POWER3 || POWER4 || PPC64 204 default y 205 206config PPC_STD_MMU_32 207 def_bool y 208 depends on PPC_STD_MMU && PPC32 209 210config SMP 211 depends on PPC_STD_MMU 212 bool "Symmetric multi-processing support" 213 ---help--- 214 This enables support for systems with more than one CPU. If you have 215 a system with only one CPU, say N. If you have a system with more 216 than one CPU, say Y. Note that the kernel does not currently 217 support SMP machines with 603/603e/603ev or PPC750 ("G3") processors 218 since they have inadequate hardware support for multiprocessor 219 operation. 220 221 If you say N here, the kernel will run on single and multiprocessor 222 machines, but will use only one CPU of a multiprocessor machine. If 223 you say Y here, the kernel will run on single-processor machines. 224 On a single-processor machine, the kernel will run faster if you say 225 N here. 226 227 If you don't know what to do here, say N. 228 229config NR_CPUS 230 int "Maximum number of CPUs (2-32)" 231 range 2 128 232 depends on SMP 233 default "32" if PPC64 234 default "4" 235 236config NOT_COHERENT_CACHE 237 bool 238 depends on 4xx || 8xx || E200 239 default y 240endmenu 241 242source "init/Kconfig" 243 244menu "Platform support" 245 depends on PPC64 || 6xx 246 247choice 248 prompt "Machine type" 249 default PPC_MULTIPLATFORM 250 251config PPC_MULTIPLATFORM 252 bool "Generic desktop/server/laptop" 253 help 254 Select this option if configuring for an IBM pSeries or 255 RS/6000 machine, an Apple machine, or a PReP, CHRP, 256 Maple or Cell-based machine. 257 258config PPC_ISERIES 259 bool "IBM Legacy iSeries" 260 depends on PPC64 261 262config EMBEDDED6xx 263 bool "Embedded 6xx/7xx/7xxx-based board" 264 depends on PPC32 265 266config APUS 267 bool "Amiga-APUS" 268 depends on PPC32 && BROKEN 269 help 270 Select APUS if configuring for a PowerUP Amiga. 271 More information is available at: 272 <http://linux-apus.sourceforge.net/>. 273endchoice 274 275config PPC_PSERIES 276 depends on PPC_MULTIPLATFORM && PPC64 277 bool " IBM pSeries & new (POWER5-based) iSeries" 278 select PPC_I8259 279 default y 280 281config PPC_CHRP 282 bool " Common Hardware Reference Platform (CHRP) based machines" 283 depends on PPC_MULTIPLATFORM && PPC32 284 select PPC_I8259 285 select PPC_INDIRECT_PCI 286 default y 287 288config PPC_PMAC 289 bool " Apple PowerMac based machines" 290 depends on PPC_MULTIPLATFORM 291 select PPC_INDIRECT_PCI if PPC32 292 default y 293 294config PPC_PMAC64 295 bool 296 depends on PPC_PMAC && POWER4 297 select U3_DART 298 default y 299 300config PPC_PREP 301 bool " PowerPC Reference Platform (PReP) based machines" 302 depends on PPC_MULTIPLATFORM && PPC32 303 select PPC_I8259 304 select PPC_INDIRECT_PCI 305 default y 306 307config PPC_MAPLE 308 depends on PPC_MULTIPLATFORM && PPC64 309 bool " Maple 970FX Evaluation Board" 310 select U3_DART 311 select MPIC_BROKEN_U3 312 default n 313 help 314 This option enables support for the Maple 970FX Evaluation Board. 315 For more informations, refer to <http://www.970eval.com> 316 317config PPC_BPA 318 bool " Broadband Processor Architecture" 319 depends on PPC_MULTIPLATFORM && PPC64 320 321config PPC_OF 322 bool 323 depends on PPC_MULTIPLATFORM # for now 324 default y 325 326config XICS 327 depends on PPC_PSERIES 328 bool 329 default y 330 331config U3_DART 332 bool 333 depends on PPC_MULTIPLATFORM && PPC64 334 default n 335 336config MPIC 337 depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE 338 bool 339 default y 340 341config MPIC_BROKEN_U3 342 bool 343 depends on PPC_MAPLE 344 default y 345 346config BPA_IIC 347 depends on PPC_BPA 348 bool 349 default y 350 351config IBMVIO 352 depends on PPC_PSERIES || PPC_ISERIES 353 bool 354 default y 355 356source "drivers/cpufreq/Kconfig" 357 358config CPU_FREQ_PMAC 359 bool "Support for Apple PowerBooks" 360 depends on CPU_FREQ && ADB_PMU && PPC32 361 select CPU_FREQ_TABLE 362 help 363 This adds support for frequency switching on Apple PowerBooks, 364 this currently includes some models of iBook & Titanium 365 PowerBook. 366 367config PPC601_SYNC_FIX 368 bool "Workarounds for PPC601 bugs" 369 depends on 6xx && (PPC_PREP || PPC_PMAC) 370 help 371 Some versions of the PPC601 (the first PowerPC chip) have bugs which 372 mean that extra synchronization instructions are required near 373 certain instructions, typically those that make major changes to the 374 CPU state. These extra instructions reduce performance slightly. 375 If you say N here, these extra instructions will not be included, 376 resulting in a kernel which will run faster but may not run at all 377 on some systems with the PPC601 chip. 378 379 If in doubt, say Y here. 380 381config TAU 382 bool "Thermal Management Support" 383 depends on 6xx 384 help 385 G3 and G4 processors have an on-chip temperature sensor called the 386 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 387 temperature within 2-4 degrees Celsius. This option shows the current 388 on-die temperature in /proc/cpuinfo if the cpu supports it. 389 390 Unfortunately, on some chip revisions, this sensor is very inaccurate 391 and in some cases, does not work at all, so don't assume the cpu 392 temp is actually what /proc/cpuinfo says it is. 393 394config TAU_INT 395 bool "Interrupt driven TAU driver (DANGEROUS)" 396 depends on TAU 397 ---help--- 398 The TAU supports an interrupt driven mode which causes an interrupt 399 whenever the temperature goes out of range. This is the fastest way 400 to get notified the temp has exceeded a range. With this option off, 401 a timer is used to re-check the temperature periodically. 402 403 However, on some cpus it appears that the TAU interrupt hardware 404 is buggy and can cause a situation which would lead unexplained hard 405 lockups. 406 407 Unless you are extending the TAU driver, or enjoy kernel/hardware 408 debugging, leave this option off. 409 410config TAU_AVERAGE 411 bool "Average high and low temp" 412 depends on TAU 413 ---help--- 414 The TAU hardware can compare the temperature to an upper and lower 415 bound. The default behavior is to show both the upper and lower 416 bound in /proc/cpuinfo. If the range is large, the temperature is 417 either changing a lot, or the TAU hardware is broken (likely on some 418 G4's). If the range is small (around 4 degrees), the temperature is 419 relatively stable. If you say Y here, a single temperature value, 420 halfway between the upper and lower bounds, will be reported in 421 /proc/cpuinfo. 422 423 If in doubt, say N here. 424endmenu 425 426source arch/powerpc/platforms/embedded6xx/Kconfig 427source arch/powerpc/platforms/4xx/Kconfig 428source arch/powerpc/platforms/85xx/Kconfig 429source arch/powerpc/platforms/8xx/Kconfig 430 431menu "Kernel options" 432 433config HIGHMEM 434 bool "High memory support" 435 depends on PPC32 436 437source kernel/Kconfig.hz 438source kernel/Kconfig.preempt 439source "fs/Kconfig.binfmt" 440 441# We optimistically allocate largepages from the VM, so make the limit 442# large enough (16MB). This badly named config option is actually 443# max order + 1 444config FORCE_MAX_ZONEORDER 445 int 446 depends on PPC64 447 default "13" 448 449config MATH_EMULATION 450 bool "Math emulation" 451 depends on 4xx || 8xx || E200 || E500 452 ---help--- 453 Some PowerPC chips designed for embedded applications do not have 454 a floating-point unit and therefore do not implement the 455 floating-point instructions in the PowerPC instruction set. If you 456 say Y here, the kernel will include code to emulate a floating-point 457 unit, which will allow programs that use floating-point 458 instructions to run. 459 460config IOMMU_VMERGE 461 bool "Enable IOMMU virtual merging (EXPERIMENTAL)" 462 depends on EXPERIMENTAL && PPC64 463 default n 464 help 465 Cause IO segments sent to a device for DMA to be merged virtually 466 by the IOMMU when they happen to have been allocated contiguously. 467 This doesn't add pressure to the IOMMU allocator. However, some 468 drivers don't support getting large merged segments coming back 469 from *_map_sg(). Say Y if you know the drivers you are using are 470 properly handling this case. 471 472config HOTPLUG_CPU 473 bool "Support for enabling/disabling CPUs" 474 depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) 475 ---help--- 476 Say Y here to be able to disable and re-enable individual 477 CPUs at runtime on SMP machines. 478 479 Say N if you are unsure. 480 481config KEXEC 482 bool "kexec system call (EXPERIMENTAL)" 483 depends on PPC_MULTIPLATFORM && EXPERIMENTAL 484 help 485 kexec is a system call that implements the ability to shutdown your 486 current kernel, and to start another kernel. It is like a reboot 487 but it is indepedent of the system firmware. And like a reboot 488 you can start any kernel with it, not just Linux. 489 490 The name comes from the similiarity to the exec system call. 491 492 It is an ongoing process to be certain the hardware in a machine 493 is properly shutdown, so do not be surprised if this code does not 494 initially work for you. It may help to enable device hotplugging 495 support. As of this writing the exact hardware interface is 496 strongly in flux, so no good recommendation can be made. 497 498config EMBEDDEDBOOT 499 bool 500 depends on 8xx || 8260 501 default y 502 503config PC_KEYBOARD 504 bool "PC PS/2 style Keyboard" 505 depends on 4xx || CPM2 506 507config PPCBUG_NVRAM 508 bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC 509 default y if PPC_PREP 510 511config IRQ_ALL_CPUS 512 bool "Distribute interrupts on all CPUs by default" 513 depends on SMP && !MV64360 514 help 515 This option gives the kernel permission to distribute IRQs across 516 multiple CPUs. Saying N here will route all IRQs to the first 517 CPU. Generally saying Y is safe, although some problems have been 518 reported with SMP Power Macintoshes with this option enabled. 519 520source "arch/powerpc/platforms/pseries/Kconfig" 521 522config ARCH_SELECT_MEMORY_MODEL 523 def_bool y 524 depends on PPC64 525 526config ARCH_FLATMEM_ENABLE 527 def_bool y 528 depends on PPC64 && !NUMA 529 530config ARCH_DISCONTIGMEM_ENABLE 531 def_bool y 532 depends on SMP && PPC_PSERIES 533 534config ARCH_DISCONTIGMEM_DEFAULT 535 def_bool y 536 depends on ARCH_DISCONTIGMEM_ENABLE 537 538config ARCH_FLATMEM_ENABLE 539 def_bool y 540 depends on PPC64 541 542config ARCH_SPARSEMEM_ENABLE 543 def_bool y 544 depends on ARCH_DISCONTIGMEM_ENABLE 545 546source "mm/Kconfig" 547 548config HAVE_ARCH_EARLY_PFN_TO_NID 549 def_bool y 550 depends on NEED_MULTIPLE_NODES 551 552# Some NUMA nodes have memory ranges that span 553# other nodes. Even though a pfn is valid and 554# between a node's start and end pfns, it may not 555# reside on that node. 556# 557# This is a relatively temporary hack that should 558# be able to go away when sparsemem is fully in 559# place 560 561config NODES_SPAN_OTHER_NODES 562 def_bool y 563 depends on NEED_MULTIPLE_NODES 564 565config NUMA 566 bool "NUMA support" 567 default y if DISCONTIGMEM || SPARSEMEM 568 569config SCHED_SMT 570 bool "SMT (Hyperthreading) scheduler support" 571 depends on PPC64 && SMP 572 default off 573 help 574 SMT scheduler support improves the CPU scheduler's decision making 575 when dealing with POWER5 cpus at a cost of slightly increased 576 overhead in some places. If unsure say N here. 577 578config PROC_DEVICETREE 579 bool "Support for device tree in /proc" 580 depends on PROC_FS 581 help 582 This option adds a device-tree directory under /proc which contains 583 an image of the device tree that the kernel copies from Open 584 Firmware or other boot firmware. If unsure, say Y here. 585 586source "arch/powerpc/platforms/prep/Kconfig" 587 588config CMDLINE_BOOL 589 bool "Default bootloader kernel arguments" 590 depends on !PPC_ISERIES 591 592config CMDLINE 593 string "Initial kernel command string" 594 depends on CMDLINE_BOOL 595 default "console=ttyS0,9600 console=tty0 root=/dev/sda2" 596 help 597 On some platforms, there is currently no way for the boot loader to 598 pass arguments to the kernel. For these platforms, you can supply 599 some command-line options at build time by entering them here. In 600 most cases you will need to specify the root device here. 601 602if !44x || BROKEN 603source kernel/power/Kconfig 604endif 605 606config SECCOMP 607 bool "Enable seccomp to safely compute untrusted bytecode" 608 depends on PROC_FS 609 default y 610 help 611 This kernel feature is useful for number crunching applications 612 that may need to compute untrusted bytecode during their 613 execution. By using pipes or other transports made available to 614 the process as file descriptors supporting the read/write 615 syscalls, it's possible to isolate those applications in 616 their own address space using seccomp. Once seccomp is 617 enabled via /proc/<pid>/seccomp, it cannot be disabled 618 and the task is only allowed to execute a few safe syscalls 619 defined by each seccomp mode. 620 621 If unsure, say Y. Only embedded should say N here. 622 623endmenu 624 625config ISA_DMA_API 626 bool 627 default y 628 629menu "Bus options" 630 631config ISA 632 bool "Support for ISA-bus hardware" 633 depends on PPC_PREP || PPC_CHRP 634 select PPC_I8259 635 help 636 Find out whether you have ISA slots on your motherboard. ISA is the 637 name of a bus system, i.e. the way the CPU talks to the other stuff 638 inside your box. If you have an Apple machine, say N here; if you 639 have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If 640 you have an embedded board, consult your board documentation. 641 642config GENERIC_ISA_DMA 643 bool 644 depends on PPC64 || POWER4 || 6xx && !CPM2 645 default y 646 647config PPC_I8259 648 bool 649 default y if 85xx 650 default n 651 652config PPC_INDIRECT_PCI 653 bool 654 depends on PCI 655 default y if 40x || 44x || 85xx || 83xx 656 default n 657 658config EISA 659 bool 660 661config SBUS 662 bool 663 664# Yes MCA RS/6000s exist but Linux-PPC does not currently support any 665config MCA 666 bool 667 668config PCI 669 bool "PCI support" if 40x || CPM2 || 83xx || 85xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES) 670 default y if !40x && !CPM2 && !8xx && !APUS && !83xx && !85xx 671 default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS 672 default PCI_QSPAN if !4xx && !CPM2 && 8xx 673 help 674 Find out whether your system includes a PCI bus. PCI is the name of 675 a bus system, i.e. the way the CPU talks to the other stuff inside 676 your box. If you say Y here, the kernel will include drivers and 677 infrastructure code to support PCI bus devices. 678 679config PCI_DOMAINS 680 bool 681 default PCI 682 683config MPC83xx_PCI2 684 bool " Supprt for 2nd PCI host controller" 685 depends on PCI && MPC834x 686 default y if MPC834x_SYS 687 688config PCI_QSPAN 689 bool "QSpan PCI" 690 depends on !4xx && !CPM2 && 8xx 691 select PPC_I8259 692 help 693 Say Y here if you have a system based on a Motorola 8xx-series 694 embedded processor with a QSPAN PCI interface, otherwise say N. 695 696config PCI_8260 697 bool 698 depends on PCI && 8260 699 select PPC_INDIRECT_PCI 700 default y 701 702config 8260_PCI9 703 bool " Enable workaround for MPC826x erratum PCI 9" 704 depends on PCI_8260 && !ADS8272 705 default y 706 707choice 708 prompt " IDMA channel for PCI 9 workaround" 709 depends on 8260_PCI9 710 711config 8260_PCI9_IDMA1 712 bool "IDMA1" 713 714config 8260_PCI9_IDMA2 715 bool "IDMA2" 716 717config 8260_PCI9_IDMA3 718 bool "IDMA3" 719 720config 8260_PCI9_IDMA4 721 bool "IDMA4" 722 723endchoice 724 725source "drivers/pci/Kconfig" 726 727source "drivers/pcmcia/Kconfig" 728 729source "drivers/pci/hotplug/Kconfig" 730 731endmenu 732 733menu "Advanced setup" 734 depends on PPC32 735 736config ADVANCED_OPTIONS 737 bool "Prompt for advanced kernel configuration options" 738 help 739 This option will enable prompting for a variety of advanced kernel 740 configuration options. These options can cause the kernel to not 741 work if they are set incorrectly, but can be used to optimize certain 742 aspects of kernel memory management. 743 744 Unless you know what you are doing, say N here. 745 746comment "Default settings for advanced configuration options are used" 747 depends on !ADVANCED_OPTIONS 748 749config HIGHMEM_START_BOOL 750 bool "Set high memory pool address" 751 depends on ADVANCED_OPTIONS && HIGHMEM 752 help 753 This option allows you to set the base address of the kernel virtual 754 area used to map high memory pages. This can be useful in 755 optimizing the layout of kernel virtual memory. 756 757 Say N here unless you know what you are doing. 758 759config HIGHMEM_START 760 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL 761 default "0xfe000000" 762 763config LOWMEM_SIZE_BOOL 764 bool "Set maximum low memory" 765 depends on ADVANCED_OPTIONS 766 help 767 This option allows you to set the maximum amount of memory which 768 will be used as "low memory", that is, memory which the kernel can 769 access directly, without having to set up a kernel virtual mapping. 770 This can be useful in optimizing the layout of kernel virtual 771 memory. 772 773 Say N here unless you know what you are doing. 774 775config LOWMEM_SIZE 776 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 777 default "0x30000000" 778 779config KERNEL_START_BOOL 780 bool "Set custom kernel base address" 781 depends on ADVANCED_OPTIONS 782 help 783 This option allows you to set the kernel virtual address at which 784 the kernel will map low memory (the kernel image will be linked at 785 this address). This can be useful in optimizing the virtual memory 786 layout of the system. 787 788 Say N here unless you know what you are doing. 789 790config KERNEL_START 791 hex "Virtual address of kernel base" if KERNEL_START_BOOL 792 default "0xc0000000" 793 794config TASK_SIZE_BOOL 795 bool "Set custom user task size" 796 depends on ADVANCED_OPTIONS 797 help 798 This option allows you to set the amount of virtual address space 799 allocated to user tasks. This can be useful in optimizing the 800 virtual memory layout of the system. 801 802 Say N here unless you know what you are doing. 803 804config TASK_SIZE 805 hex "Size of user task space" if TASK_SIZE_BOOL 806 default "0x80000000" 807 808config CONSISTENT_START_BOOL 809 bool "Set custom consistent memory pool address" 810 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 811 help 812 This option allows you to set the base virtual address 813 of the the consistent memory pool. This pool of virtual 814 memory is used to make consistent memory allocations. 815 816config CONSISTENT_START 817 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL 818 default "0xff100000" if NOT_COHERENT_CACHE 819 820config CONSISTENT_SIZE_BOOL 821 bool "Set custom consistent memory pool size" 822 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 823 help 824 This option allows you to set the size of the the 825 consistent memory pool. This pool of virtual memory 826 is used to make consistent memory allocations. 827 828config CONSISTENT_SIZE 829 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL 830 default "0x00200000" if NOT_COHERENT_CACHE 831 832config BOOT_LOAD_BOOL 833 bool "Set the boot link/load address" 834 depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM 835 help 836 This option allows you to set the initial load address of the zImage 837 or zImage.initrd file. This can be useful if you are on a board 838 which has a small amount of memory. 839 840 Say N here unless you know what you are doing. 841 842config BOOT_LOAD 843 hex "Link/load address for booting" if BOOT_LOAD_BOOL 844 default "0x00400000" if 40x || 8xx || 8260 845 default "0x01000000" if 44x 846 default "0x00800000" 847 848config PIN_TLB 849 bool "Pinned Kernel TLBs (860 ONLY)" 850 depends on ADVANCED_OPTIONS && 8xx 851endmenu 852 853if PPC64 854config KERNEL_START 855 hex 856 default "0xc000000000000000" 857endif 858 859source "net/Kconfig" 860 861source "drivers/Kconfig" 862 863source "fs/Kconfig" 864 865# XXX source "arch/ppc/8xx_io/Kconfig" 866 867# XXX source "arch/ppc/8260_io/Kconfig" 868 869source "arch/powerpc/platforms/iseries/Kconfig" 870 871source "lib/Kconfig" 872 873source "arch/powerpc/oprofile/Kconfig" 874 875source "arch/powerpc/Kconfig.debug" 876 877source "security/Kconfig" 878 879config KEYS_COMPAT 880 bool 881 depends on COMPAT && KEYS 882 default y 883 884source "crypto/Kconfig" 885