| Kconfig (efdcd41b4e41560375bb34ad8b095bcaa1c3a93f) | Kconfig (28794d34ecb6815a3fa0a4256027c9b081a17c5f) |
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| 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 7source "arch/powerpc/platforms/Kconfig.cputype" 8 --- 97 unchanged lines hidden (view full) --- 106 def_bool PPC64 107 108config PPC 109 bool 110 default y 111 select HAVE_FTRACE_MCOUNT_RECORD 112 select HAVE_DYNAMIC_FTRACE 113 select HAVE_FUNCTION_TRACER | 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 7source "arch/powerpc/platforms/Kconfig.cputype" 8 --- 97 unchanged lines hidden (view full) --- 106 def_bool PPC64 107 108config PPC 109 bool 110 default y 111 select HAVE_FTRACE_MCOUNT_RECORD 112 select HAVE_DYNAMIC_FTRACE 113 select HAVE_FUNCTION_TRACER |
| 114 select HAVE_FUNCTION_GRAPH_TRACER |
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| 114 select ARCH_WANT_OPTIONAL_GPIOLIB 115 select HAVE_IDE 116 select HAVE_IOREMAP_PROT 117 select HAVE_EFFICIENT_UNALIGNED_ACCESS 118 select HAVE_KPROBES 119 select HAVE_ARCH_KGDB 120 select HAVE_KRETPROBES 121 select HAVE_ARCH_TRACEHOOK --- 185 unchanged lines hidden (view full) --- 307config ARCH_HAS_WALK_MEMORY 308 def_bool y 309 310config ARCH_ENABLE_MEMORY_HOTREMOVE 311 def_bool y 312 313config KEXEC 314 bool "kexec system call (EXPERIMENTAL)" | 115 select ARCH_WANT_OPTIONAL_GPIOLIB 116 select HAVE_IDE 117 select HAVE_IOREMAP_PROT 118 select HAVE_EFFICIENT_UNALIGNED_ACCESS 119 select HAVE_KPROBES 120 select HAVE_ARCH_KGDB 121 select HAVE_KRETPROBES 122 select HAVE_ARCH_TRACEHOOK --- 185 unchanged lines hidden (view full) --- 308config ARCH_HAS_WALK_MEMORY 309 def_bool y 310 311config ARCH_ENABLE_MEMORY_HOTREMOVE 312 def_bool y 313 314config KEXEC 315 bool "kexec system call (EXPERIMENTAL)" |
| 315 depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL | 316 depends on BOOK3S && EXPERIMENTAL |
| 316 help 317 kexec is a system call that implements the ability to shutdown your 318 current kernel, and to start another kernel. It is like a reboot 319 but it is independent of the system firmware. And like a reboot 320 you can start any kernel with it, not just Linux. 321 322 The name comes from the similarity to the exec system call. 323 --- 80 unchanged lines hidden (view full) --- 404 def_bool y 405 depends on NEED_MULTIPLE_NODES 406 407config PPC_HAS_HASH_64K 408 bool 409 depends on PPC64 410 default n 411 | 317 help 318 kexec is a system call that implements the ability to shutdown your 319 current kernel, and to start another kernel. It is like a reboot 320 but it is independent of the system firmware. And like a reboot 321 you can start any kernel with it, not just Linux. 322 323 The name comes from the similarity to the exec system call. 324 --- 80 unchanged lines hidden (view full) --- 405 def_bool y 406 depends on NEED_MULTIPLE_NODES 407 408config PPC_HAS_HASH_64K 409 bool 410 depends on PPC64 411 default n 412 |
| 413config STDBINUTILS 414 bool "Using standard binutils settings" 415 depends on 44x 416 default y 417 help 418 Turning this option off allows you to select 256KB PAGE_SIZE on 44x. 419 Note, that kernel will be able to run only those applications, 420 which had been compiled using binutils later than 2.17.50.0.3 with 421 '-zmax-page-size' set to 256K (the default is 64K). Or, if using 422 the older binutils, you can patch them with a trivial patch, which 423 changes the ELF_MAXPAGESIZE definition from 0x10000 to 0x40000. 424 |
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| 412choice 413 prompt "Page size" 414 default PPC_4K_PAGES 415 help 416 Select the kernel logical page size. Increasing the page size 417 will reduce software overhead at each page boundary, allow 418 hardware prefetch mechanisms to be more effective, and allow 419 larger dma transfers increasing IO efficiency and reducing --- 19 unchanged lines hidden (view full) --- 439 440config PPC_16K_PAGES 441 bool "16k page size" if 44x 442 443config PPC_64K_PAGES 444 bool "64k page size" if 44x || PPC_STD_MMU_64 445 select PPC_HAS_HASH_64K if PPC_STD_MMU_64 446 | 425choice 426 prompt "Page size" 427 default PPC_4K_PAGES 428 help 429 Select the kernel logical page size. Increasing the page size 430 will reduce software overhead at each page boundary, allow 431 hardware prefetch mechanisms to be more effective, and allow 432 larger dma transfers increasing IO efficiency and reducing --- 19 unchanged lines hidden (view full) --- 452 453config PPC_16K_PAGES 454 bool "16k page size" if 44x 455 456config PPC_64K_PAGES 457 bool "64k page size" if 44x || PPC_STD_MMU_64 458 select PPC_HAS_HASH_64K if PPC_STD_MMU_64 459 |
| 460config PPC_256K_PAGES 461 bool "256k page size" if 44x 462 depends on !STDBINUTILS && (!SHMEM || BROKEN) 463 help 464 Make the page size 256k. 465 466 As the ELF standard only requires alignment to support page 467 sizes up to 64k, you will need to compile all of your user 468 space applications with a non-standard binutils settings 469 (see the STDBINUTILS description for details). 470 471 Say N unless you know what you are doing. 472 |
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| 447endchoice 448 449config FORCE_MAX_ZONEORDER 450 int "Maximum zone order" 451 range 9 64 if PPC_STD_MMU_64 && PPC_64K_PAGES 452 default "9" if PPC_STD_MMU_64 && PPC_64K_PAGES 453 range 13 64 if PPC_STD_MMU_64 && !PPC_64K_PAGES 454 default "13" if PPC_STD_MMU_64 && !PPC_64K_PAGES 455 range 9 64 if PPC_STD_MMU_32 && PPC_16K_PAGES 456 default "9" if PPC_STD_MMU_32 && PPC_16K_PAGES 457 range 7 64 if PPC_STD_MMU_32 && PPC_64K_PAGES 458 default "7" if PPC_STD_MMU_32 && PPC_64K_PAGES | 473endchoice 474 475config FORCE_MAX_ZONEORDER 476 int "Maximum zone order" 477 range 9 64 if PPC_STD_MMU_64 && PPC_64K_PAGES 478 default "9" if PPC_STD_MMU_64 && PPC_64K_PAGES 479 range 13 64 if PPC_STD_MMU_64 && !PPC_64K_PAGES 480 default "13" if PPC_STD_MMU_64 && !PPC_64K_PAGES 481 range 9 64 if PPC_STD_MMU_32 && PPC_16K_PAGES 482 default "9" if PPC_STD_MMU_32 && PPC_16K_PAGES 483 range 7 64 if PPC_STD_MMU_32 && PPC_64K_PAGES 484 default "7" if PPC_STD_MMU_32 && PPC_64K_PAGES |
| 485 range 5 64 if PPC_STD_MMU_32 && PPC_256K_PAGES 486 default "5" if PPC_STD_MMU_32 && PPC_256K_PAGES |
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| 459 range 11 64 460 default "11" 461 help 462 The kernel memory allocator divides physically contiguous memory 463 blocks into "zones", where each zone is a power of two number of 464 pages. This option selects the largest power of two that the kernel 465 keeps in the memory allocator. If you need to allocate very large 466 blocks of physically contiguous memory, then you may need to --- 122 unchanged lines hidden (view full) --- 589 bool 590 591config FSL_SOC 592 bool 593 594config FSL_PCI 595 bool 596 select PPC_INDIRECT_PCI | 487 range 11 64 488 default "11" 489 help 490 The kernel memory allocator divides physically contiguous memory 491 blocks into "zones", where each zone is a power of two number of 492 pages. This option selects the largest power of two that the kernel 493 keeps in the memory allocator. If you need to allocate very large 494 blocks of physically contiguous memory, then you may need to --- 122 unchanged lines hidden (view full) --- 617 bool 618 619config FSL_SOC 620 bool 621 622config FSL_PCI 623 bool 624 select PPC_INDIRECT_PCI |
| 625 select PCI_QUIRKS |
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| 597 598config 4xx_SOC 599 bool 600 601config FSL_LBC 602 bool 603 help 604 Freescale Localbus support --- 120 unchanged lines hidden (view full) --- 725 memory. 726 727 Say N here unless you know what you are doing. 728 729config LOWMEM_SIZE 730 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 731 default "0x30000000" 732 | 626 627config 4xx_SOC 628 bool 629 630config FSL_LBC 631 bool 632 help 633 Freescale Localbus support --- 120 unchanged lines hidden (view full) --- 754 memory. 755 756 Say N here unless you know what you are doing. 757 758config LOWMEM_SIZE 759 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 760 default "0x30000000" 761 |
| 762config LOWMEM_CAM_NUM_BOOL 763 bool "Set number of CAMs to use to map low memory" 764 depends on ADVANCED_OPTIONS && FSL_BOOKE 765 help 766 This option allows you to set the maximum number of CAM slots that 767 will be used to map low memory. There are a limited number of slots 768 available and even more limited number that will fit in the L1 MMU. 769 However, using more entries will allow mapping more low memory. This 770 can be useful in optimizing the layout of kernel virtual memory. 771 772 Say N here unless you know what you are doing. 773 774config LOWMEM_CAM_NUM 775 int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL 776 default 3 777 |
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| 733config RELOCATABLE 734 bool "Build a relocatable kernel (EXPERIMENTAL)" 735 depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE 736 help 737 This builds a kernel image that is capable of running at the 738 location the kernel is loaded at (some alignment restrictions may 739 exist). 740 --- 48 unchanged lines hidden (view full) --- 789 790config PHYSICAL_START 791 hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL 792 default "0x02000000" if PPC_STD_MMU && CRASH_DUMP 793 default "0x00000000" 794 795config PHYSICAL_ALIGN 796 hex | 778config RELOCATABLE 779 bool "Build a relocatable kernel (EXPERIMENTAL)" 780 depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE 781 help 782 This builds a kernel image that is capable of running at the 783 location the kernel is loaded at (some alignment restrictions may 784 exist). 785 --- 48 unchanged lines hidden (view full) --- 834 835config PHYSICAL_START 836 hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL 837 default "0x02000000" if PPC_STD_MMU && CRASH_DUMP 838 default "0x00000000" 839 840config PHYSICAL_ALIGN 841 hex |
| 797 default "0x10000000" if FSL_BOOKE | 842 default "0x04000000" if FSL_BOOKE |
| 798 help 799 This value puts the alignment restrictions on physical address 800 where kernel is loaded and run from. Kernel is compiled for an 801 address which meets above alignment restriction. 802 803config TASK_SIZE_BOOL 804 bool "Set custom user task size" 805 depends on ADVANCED_OPTIONS --- 4 unchanged lines hidden (view full) --- 810 811 Say N here unless you know what you are doing. 812 813config TASK_SIZE 814 hex "Size of user task space" if TASK_SIZE_BOOL 815 default "0x80000000" if PPC_PREP || PPC_8xx 816 default "0xc0000000" 817 | 843 help 844 This value puts the alignment restrictions on physical address 845 where kernel is loaded and run from. Kernel is compiled for an 846 address which meets above alignment restriction. 847 848config TASK_SIZE_BOOL 849 bool "Set custom user task size" 850 depends on ADVANCED_OPTIONS --- 4 unchanged lines hidden (view full) --- 855 856 Say N here unless you know what you are doing. 857 858config TASK_SIZE 859 hex "Size of user task space" if TASK_SIZE_BOOL 860 default "0x80000000" if PPC_PREP || PPC_8xx 861 default "0xc0000000" 862 |
| 818config CONSISTENT_START_BOOL 819 bool "Set custom consistent memory pool address" 820 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 821 help 822 This option allows you to set the base virtual address 823 of the consistent memory pool. This pool of virtual 824 memory is used to make consistent memory allocations. 825 826config CONSISTENT_START 827 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL 828 default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx) 829 default "0xff100000" if NOT_COHERENT_CACHE 830 831config CONSISTENT_SIZE_BOOL 832 bool "Set custom consistent memory pool size" 833 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE 834 help 835 This option allows you to set the size of the 836 consistent memory pool. This pool of virtual memory 837 is used to make consistent memory allocations. 838 839config CONSISTENT_SIZE 840 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL 841 default "0x00200000" if NOT_COHERENT_CACHE 842 | |
| 843config PIN_TLB 844 bool "Pinned Kernel TLBs (860 ONLY)" 845 depends on ADVANCED_OPTIONS && 8xx 846endmenu 847 848if PPC64 849config RELOCATABLE 850 bool "Build a relocatable kernel" --- 52 unchanged lines hidden --- | 863config PIN_TLB 864 bool "Pinned Kernel TLBs (860 ONLY)" 865 depends on ADVANCED_OPTIONS && 8xx 866endmenu 867 868if PPC64 869config RELOCATABLE 870 bool "Build a relocatable kernel" --- 52 unchanged lines hidden --- |